From ac1d3ed555be32f964554988d0e8109cf244cdb1 Mon Sep 17 00:00:00 2001
From: ichuang <ichuang@mit.edu>
Date: Fri, 4 Apr 2014 10:40:47 -0400
Subject: [PATCH 1/9] add Label.js (from
 https://github.com/fourplusone/MathBox.js), extended to add tangent direction
 for label; update README

---
 README.md               | 18 +++++++++++
 build.sh                |  1 +
 src/primitives/Label.js | 68 +++++++++++++++++++++++++++++++++++++++++
 vendor/ShaderGraph.js   |  2 +-
 4 files changed, 88 insertions(+), 1 deletion(-)
 create mode 100644 src/primitives/Label.js

diff --git a/README.md b/README.md
index 78a5003..8505197 100644
--- a/README.md
+++ b/README.md
@@ -358,6 +358,7 @@ Axis
   tickScale: 10,     // Integer denoting the base for recursive division. 2 = binary, 10 = decimal
   arrow: true,       // Whether to include an arrow on the axis
   size: .07,         // Size of the arrow relative to the stage
+  formatter: null    // Function which takes index of axis label as argument, and returns text label
 })
 ```
 
@@ -422,6 +423,16 @@ Grid
 })
 ```
 
+Label
+```javascript
+.label({
+  position: [0, 0, 0], // location of label
+  text: 'hello',       // text to be displayed 
+  distance: 15,        // text sprite anchor point offset
+  facing: 1            // which axis tangent direction the label should be facing towards
+})
+```
+
 Surface
 ```javascript
 .surface({
@@ -455,6 +466,13 @@ Vector
 })
 ```
 
+Dependencies
+------------
+
+* vendor/ThreeBox.js -- https://github.com/unconed/ThreeBox.js (use commit tag ff838075a7bea4ba59719f845f466b9c4b2cbafe)
+* vendor/ThreeRTT.js -- https://github.com/unconed/ThreeRTT.js
+* vendor/ShaderGraph.js -- https://github.com/unconed/ShaderGraph.js 
+
 Contributions
 -------------
 
diff --git a/build.sh b/build.sh
index a5657c7..eb4e208 100755
--- a/build.sh
+++ b/build.sh
@@ -36,6 +36,7 @@ src/primitives/Vector.js
 src/primitives/Surface.js
 src/primitives/BezierSurface.js
 src/primitives/Platonic.js
+src/primitives/Label.js
 
 src/renderables/Renderable.js
 src/renderables/Mesh.js
diff --git a/src/primitives/Label.js b/src/primitives/Label.js
new file mode 100644
index 0000000..e9e31c5
--- /dev/null
+++ b/src/primitives/Label.js
@@ -0,0 +1,68 @@
+/**
+ * Text label at specified position
+ */
+MathBox.Label = function (options) {
+  // Allow inheritance constructor
+  if (options === null) return;
+
+  MathBox.Primitive.call(this, options);
+};
+
+MathBox.Label.prototype = _.extend(new MathBox.Primitive(null), {
+
+  defaults: function () {
+    return {
+      position: [0, 0, 0],
+      facing: 1,
+      distance: 15,
+      style: {
+        color: new THREE.Color(0x707070),
+      },
+      text: ""
+    };
+  },
+
+  renderables: function () {
+    return [ this.labels ];
+  },
+
+  type: function () {
+    return 'label';
+  },
+
+  adjust: function (viewport, camera) {
+    var options = this.get(),
+    // Axis vector direction for labels
+    p = [0, 0, 0];
+    p[options.facing] = 1;
+    var labelTangent = this.labelTangent;
+    labelTangent.set.apply(labelTangent, p);
+    this.labels.show(true);
+  },
+
+  make: function () {
+    var options = this.get(),
+      position = options.position,
+      text = options.text,
+      distance = options.distance,
+      style = this.style,
+      labelTangent = this.labelTangent = new THREE.Vector3();
+
+    var labelOptions = { dynamic: true, distance: distance };
+    var labelPoint  = new THREE.Vector3();
+    labelPoint.set.apply(labelPoint, position)
+    // label text callback
+    var callback = function (i) {
+      return text;
+    }.bind(this);
+    
+    this.labels = new MathBox.Renderable.Labels([labelPoint], labelTangent, callback, labelOptions, style);
+  },
+
+});
+
+MathBox.Label.validateArgs = function (options) {
+  return options;
+};
+
+MathBox.Primitive.types.label = MathBox.Label;
diff --git a/vendor/ShaderGraph.js b/vendor/ShaderGraph.js
index 43134b2..6985664 160000
--- a/vendor/ShaderGraph.js
+++ b/vendor/ShaderGraph.js
@@ -1 +1 @@
-Subproject commit 43134b212f161bfdbd71185d33bb7cc7aaa0f96f
+Subproject commit 69856649bd1c5760a2be1f387481cbab3cb8fddf

From 8f635f61efe98ab673a7c22837fbeba47bbd8197 Mon Sep 17 00:00:00 2001
From: ichuang <ichuang@mit.edu>
Date: Fri, 4 Apr 2014 10:45:10 -0400
Subject: [PATCH 2/9] newly built files

---
 build/MathBox-bundle.js     | 384 ++++++++++++++++++++++++------------
 build/MathBox-bundle.min.js |  70 +++----
 build/MathBox-core.js       |  68 +++++++
 build/MathBox-core.min.js   | 133 ++++++-------
 build/MathBox.glsl.html     |  28 +++
 build/MathBox.js            | 384 ++++++++++++++++++++++++------------
 build/MathBox.min.js        |  70 +++----
 7 files changed, 749 insertions(+), 388 deletions(-)

diff --git a/build/MathBox-bundle.js b/build/MathBox-bundle.js
index d9695f6..449247d 100644
--- a/build/MathBox-bundle.js
+++ b/build/MathBox-bundle.js
@@ -40197,26 +40197,14 @@ ThreeBox.preload.html = function (file, name, callback) {
     var match;
 
     // Insert javascript directly
-    while (match = res.match(/^(<script\s*>|<script[^>]*type=['"]text\/javascript['"][^>]*>)([\s\S]+?)<\/script>$/m)) {
-      try {
-        /*
-        var script = document.createElement('script');
-        script.type = 'text/javascript';
-        script.innerHTML = match[2];
-        document.body.appendChild(script);
-        */
-        eval('(function () {' + match[2] + '})()');
-      }
-      catch (e) {
-        console.error(e);
-        console.error('While evaluating: ' + match[2]);
-      }
-
-      res = res.replace(match[0], '');
+    if (match = res.match(/^<script[^>]*type=['"]text\/javascript['"][^>]*>([\s\S]+?)<\/script>$/m)) {
+      var script = document.createElement('script');
+      script.type = 'text/javascript';
+      script.innerHTML = match[1];
+      document.body.appendChild(script);
     }
-
     // Insert HTML via div
-    if (res.replace(/\s*/g) != '') {
+    else {
       var div = document.createElement('div');
       div.innerHTML = res;
       document.body.appendChild(div);
@@ -40264,12 +40252,13 @@ ThreeBox.preload.audio = function (file, name, callback) {
 
 // Namespace
 window.ThreeRTT = window.ThreeRTT || {};
+ThreeRTT.World = function () {};
 
 // Fetch shader from <script> tag by id
 // or pass through string if not exists.
 ThreeRTT.getShader = function (id) {
   var elem = document.getElementById(id);
-  return elem && elem.textContent || id;
+  return elem && elem.innerText || id;
 };
 
 // Simple loop helper
@@ -40280,7 +40269,7 @@ _.loop = function (n, callback) {
 // Fetch shader from <script> tag by id
 ThreeRTT.getShader = function (id) {
   var elem = document.getElementById(id);
-  return elem && elem.textContent || id;
+  return elem && (elem.innerText || elem.textContent) || id;
 };
 // Check for a power of two.
 ThreeRTT.isPowerOfTwo = function (value) {
@@ -40329,9 +40318,7 @@ ThreeRTT.Stage = function (renderer, options) {
   options.camera.aspect = options.camera.aspect || (options.width / options.height);
 
   // Create internal scene and default camera.
-  this.scene = options.scene || new THREE.Scene();
   this.camera = ThreeRTT.Camera(options.camera);
-	this.scene.add(this.camera);
 
   // Create virtual render target, passthrough options.
   this.target = new ThreeRTT.RenderTarget(renderer, options);
@@ -40350,23 +40337,15 @@ ThreeRTT.Stage.prototype = {
   },
 
   reset: function () {
-    if (this.renderables) {
-      _.each(this.renderables, function (surface) {
-        this.scene.remove(surface);
-      }.bind(this));
-    }
-
+    this.scenes   = [];
     this.passes   = [];
-    this.renderables = [];
   },
 
   // Add object render pass
   paint: function (object, empty) {
 
     // Create root to hold all objects for this pass
-    var root = new THREE.Object3D();
-    root.frustumCulled = false;
-    root.visible = true;
+    var root = new THREE.Scene();
 
     // Create a surface to render the last frame
     if (!empty) {
@@ -40379,9 +40358,8 @@ ThreeRTT.Stage.prototype = {
     root.add(object);
 
     // Add root to scene and insert into pass list
-    this.scene.add(root);
+    this.scenes.push(root);
     this.passes.push(1);
-    this.renderables.push(root);
   },
 
   // Add iteration pass
@@ -40389,12 +40367,14 @@ ThreeRTT.Stage.prototype = {
 
     // Create a surface to render the pass with
     var surface = this._surface(material);
-    surface.visible = false;
+
+    // Create root to hold all objects for this pass
+    var root = new THREE.Scene();
+    root.add(surface);
 
     // Add surface to scene and insert into pass list
-    this.scene.add(surface);
+    this.scenes.push(root);
     this.passes.push(n);
-    this.renderables.push(surface);
 
     return this;
   },
@@ -40410,7 +40390,10 @@ ThreeRTT.Stage.prototype = {
   size: function (width, height) {
     width = Math.floor(width);
     height = Math.floor(height);
+
     this.camera.aspect = width / height;
+    this.camera.updateProjectionMatrix();
+
     this.target.size(width, height);
     return this;
   },
@@ -40429,17 +40412,10 @@ ThreeRTT.Stage.prototype = {
   render: function () {
 	  this.target.clear();
 
-    function toggle(object, value) {
-      object.visible = value;
-      _.each(object.children, function (object) { toggle(object, value); });
-    }
-
     _.each(this.passes, function (n, i) {
-      toggle(this.renderables[i], true);
-      _.loop(n, function (i) {
-        this.target.render(this.scene, this.camera);
+      _.loop(n, function (j) {
+        this.target.render(this.scenes[i], this.camera);
       }.bind(this));
-      toggle(this.renderables[i], false);
     }.bind(this));
 
     return this;
@@ -40455,7 +40431,8 @@ ThreeRTT.Stage.prototype = {
   destroy: function () {
     this.target.deallocate();
 
-    this.scene = null;
+    this.scenes = [];
+    this.passes = [];
     this.camera = null;
     this.target = null;
   },
@@ -40491,7 +40468,7 @@ ThreeRTT.Compose.prototype = new THREE.Object3D();
 // Handy Camera factory
 ThreeRTT.Camera = function (options) {
   // Camera passthrough
-  if (options.constructor instanceof THREE.Camera) return options;
+  if (options instanceof THREE.Camera) return options;
 
   // Defaults
   options = _.extend({
@@ -40609,10 +40586,10 @@ ThreeRTT.RenderTarget.prototype = {
 
   // Retrieve / change size
   size: function (width, height) {
-    if (width && height) {
+    if (width !== undefined && height !== undefined) {
       // Round floats to ints to help with half/quarter derived sizes.
-      this.width = width = Math.floor(width);
-      this.height = height = Math.floor(height);
+      this.width = width = Math.max(1, Math.floor(width));
+      this.height = height = Math.max(1, Math.floor(height));
 
       // Refresh/allocate targets.
       this.allocate();
@@ -40637,7 +40614,7 @@ ThreeRTT.RenderTarget.prototype = {
   deallocateTargets: function () {
     // Deallocate real targets that were used in rendering.
     _.each(this.targets || [], function (target) {
-      this.renderer.deallocateRenderTarget(target);
+      target.dispose();
     }.bind(this));
   },
 
@@ -40727,8 +40704,8 @@ ThreeRTT.RenderTarget.prototype = {
     var alpha = renderer.getClearAlpha();
 
     // Apple new clearing color
-    renderer.setClearColorHex(options.clearColor, options.clearAlpha);
-    renderer.clearTarget(this.write(), clear.color, clear.stencil, clear.depth);
+    renderer.setClearColor(options.clearColor, options.clearAlpha);
+    renderer.clearTarget(this.write(), clear.color, clear.depth, clear.stencil);
 
     // Reset state
     renderer.setClearColor(color, alpha);
@@ -40906,9 +40883,9 @@ ThreeRTT.FragmentMaterial = function (renderTargets, fragmentShader, textures, u
   return material;
 };
 /**
- * Specialized ShaderMaterial for downsampling a texture by a factor of 2 with anti-aliasing.
+ * Specialized ShaderMaterial for up/downsampling a texture by a factor of 2 with anti-aliasing.
  */
-ThreeRTT.DownsampleMaterial = function (renderTargetFrom, renderTargetTo) {
+ThreeRTT.ScaleMaterial = function (renderTargetFrom, renderTargetTo, scale) {
   var uniforms = {};
 
   // Accept both Stage and RenderTarget classes
@@ -40933,8 +40910,8 @@ ThreeRTT.DownsampleMaterial = function (renderTargetFrom, renderTargetTo) {
         to = renderTargetTo;
 
     // Correction for odd downsample.
-    var dx = (to.width * 2) / from.width,
-        dy = (to.height * 2) / from.height;
+    var dx = (to.width * scale) / from.width,
+        dy = (to.height * scale) / from.height;
 
     var value = uniforms.sampleAlignment.value;
     value.x = dx;
@@ -40956,75 +40933,64 @@ ThreeRTT.DownsampleMaterial = function (renderTargetFrom, renderTargetTo) {
   material.blending = THREE.NoBlending;
 
   return material;
-};/**
+};
+
+/**
+ * Helper classes
+ */
+ThreeRTT.DownsampleMaterial = function (renderTargetFrom, renderTargetTo) {
+  return new ThreeRTT.ScaleMaterial(renderTargetFrom, renderTargetTo, 2);
+}
+ThreeRTT.UpsampleMaterial = function (renderTargetFrom, renderTargetTo) {
+  return new ThreeRTT.ScaleMaterial(renderTargetFrom, renderTargetTo, 0.5);
+}
+/**
  * Helper for making ShaderMaterials that raytrace in camera space per pixel.
  */
-ThreeRTT.RaytraceMaterial = function (renderTarget, fragmentShader, textures, uniforms) {
-
-  // Autoname texture uniforms as texture1, texture2, ...
-  function textureName(j) {
-    return 'texture' + (j + 1);
-  }
+ThreeRTT.RaytraceMaterial = function (renderTargets, camera, fragmentShader, textures, uniforms) {
 
-  // Allow for array of textures.
-  if (textures instanceof Array) {
-    var object = {};
-    _.each(textures, function (texture, j) {
-      // Autoname texture uniforms as texture1, texture2, ...
-      var key = textureName(j);
-      object[key] = texture;
-    });
-  }
-  // Allow passing single texture/object
-  else if (textures instanceof THREE.Texture
-        || textures instanceof ThreeRTT.World
-        || textures instanceof THREE.WebGLRenderTarget) {
-    textures = { texture1: textures };
+  // Accept one or more render targets as input for reading.
+  if (!(renderTargets instanceof Array)) {
+    renderTargets = [renderTargets];
   }
 
-  // Accept both Stage and RenderTarget classes
-  renderTarget = ThreeRTT.toTarget(renderTarget);
+  var material = new ThreeRTT.ShaderMaterial(
+                  renderTargets, 'raytrace-vertex-screen', fragmentShader, textures, uniforms);
 
   // Add camera uniforms.
-  uniforms = _.extend(uniforms || {}, {
-    cameraViewport: {
+  uniforms = _.extend(material.uniforms || {}, {
+    raytraceViewport: {
       type: 'v2',
-      value: new THREE.Vector2()//,
+      value: new THREE.Vector2(),
+    },
+    raytracePosition: {
+      type: 'v3',
+      value: new THREE.Vector3(),
     },
-    cameraWorld: {
+    raytraceMatrix: {
       type: 'm4',
-      value: new THREE.Matrix4()//,
-    }//,
-  });
-
-  // Make uniforms for input textures.
-  var i = 0;
-  _.each(textures || [], function (texture, key) {
-    uniforms[key] = {
-      type: 't',
-      value: i++,
-      texture: ThreeRTT.toTexture(texture)//,
-    };
+      value: new THREE.Matrix4(),
+    },
   });
 
   // Update camera uniforms on render.
-  renderTarget.on('render', function (scene, camera) {
+  var renderTarget = ThreeRTT.toTarget(renderTargets[0]);
+  var zero = new THREE.Vector3();
+  renderTarget.on('render', function (scene) {
     camera.updateMatrixWorld();
     if (camera.fov) {
       var tan = Math.tan(camera.fov * π / 360);
-      uniforms.cameraViewport.value.set(tan * camera.aspect, tan);
+      uniforms.raytraceViewport.value.set(tan * camera.aspect, tan);
     }
     if (camera.matrixWorld) {
-      uniforms.cameraWorld.value = camera.matrixWorld;
+      uniforms.raytraceMatrix.value.copy(camera.matrixWorld);
+      uniforms.raytraceMatrix.value.setPosition(zero);
+      uniforms.raytracePosition.value.getPositionFromMatrix(camera.matrixWorld);
     }
   });
 
   // Lookup shaders and build material
-  return new THREE.ShaderMaterial({
-    uniforms:       uniforms,
-    vertexShader:   ThreeRTT.getShader('generic-vertex-screen'),
-    fragmentShader: ThreeRTT.getShader(fragmentShader)//,
-  });
+  return material;
 };/**
  * Debug/testing helper that displays the given rendertargets in a grid
  */
@@ -41118,8 +41084,8 @@ ThreeRTT.World  = function (world, options) {
   this._stage = new ThreeRTT.Stage(this._renderer, options);
 
   // Expose scene and camera
-  this._scene  = this._stage.scene;
-  this._camera = this._stage.camera;
+  this._tScene  = this._stage.scene;
+  this._tCamera = this._stage.camera;
 
   // Add to RTT queue at specified order.
   this.queue = ThreeRTT.RenderQueue.bind(world);
@@ -41231,6 +41197,17 @@ ThreeRTT.World.prototype = _.extend(new THREE.Object3D(), tQuery.World.prototype
     return this;
   },
 
+  // Add a shader rendering pass
+  shader: function (vertexShader, fragmentShader, textures, uniforms) {
+    var material = vertexShader instanceof THREE.Material
+                 ? vertexShader
+                 : tQuery.createShaderMaterial(
+                    this, vertexShader, fragmentShader, textures, uniforms);
+
+    this._stage.fragment(material);
+    return this;
+  },
+
   // Add a fragment rendering pass
   fragment: function (fragmentShader, textures, uniforms) {
     var material = fragmentShader instanceof THREE.Material
@@ -41243,11 +41220,11 @@ ThreeRTT.World.prototype = _.extend(new THREE.Object3D(), tQuery.World.prototype
   },
 
   // Add a raytrace rendering pass
-  raytrace: function (fragmentShader, textures, uniforms) {
+  raytrace: function (camera, fragmentShader, textures, uniforms) {
     var material = fragmentShader instanceof THREE.Material
                  ? fragmentShader
                  : tQuery.createRaytraceMaterial(
-                    this, fragmentShader, textures, uniforms);
+                    this, camera, fragmentShader, textures, uniforms);
 
     this._stage.fragment(material);
     return this;
@@ -41272,6 +41249,25 @@ ThreeRTT.World.prototype = _.extend(new THREE.Object3D(), tQuery.World.prototype
     return this;
   },
 
+  // Add an upsample rendering pass
+  upsample: function (worldFrom) {
+    // Force this world to right size now if not autosizing
+    if (!worldFrom.autoSize()) {
+      var size = worldFrom.size();
+      this._options.width = size.width;
+      this._options.height = size.height;
+    }
+
+    // Force this world to right scale (will autosize)
+    var scale = worldFrom.scale();
+    this.scale(scale * 0.5);
+
+    var material = tQuery.createUpsampleMaterial(worldFrom, this);
+    this._stage.fragment(material);
+
+    return this;
+  },
+
   // Return the virtual texture for reading from this RTT stage.
   read: function (n) {
     return this._stage.read(n);
@@ -41391,7 +41387,7 @@ tQuery.World.registerInstance('rtt', function (options) {
 });
 
 /**
- * Add a surface showing a render-to-texture surface to this world.
+ * Add a surface composing a render-to-texture to the screen.
  */
 tQuery.World.registerInstance('compose', function (rtts, fragmentShader, textures, uniforms) {
   var compose = tQuery.createComposeRTT(rtts, fragmentShader, textures, uniforms);
@@ -41447,8 +41443,8 @@ tQuery.registerStatic('createFragmentMaterial', function (worlds, fragmentShader
 /**
  * Create a RaytraceMaterial.
  */
-tQuery.registerStatic('createRaytraceMaterial', function (world, fragmentShader, textures, uniforms) {
-  return new ThreeRTT.RaytraceMaterial(world, fragmentShader, textures, uniforms);
+tQuery.registerStatic('createRaytraceMaterial', function (world, camera, fragmentShader, textures, uniforms) {
+  return new ThreeRTT.RaytraceMaterial(world, camera, fragmentShader, textures, uniforms);
 });
 
 /**
@@ -41457,6 +41453,20 @@ tQuery.registerStatic('createRaytraceMaterial', function (world, fragmentShader,
 tQuery.registerStatic('createDownsampleMaterial', function (worldFrom, worldTo) {
   return new ThreeRTT.DownsampleMaterial(worldFrom, worldTo);
 });
+
+/**
+ * Create a UpsampleMaterial.
+ */
+tQuery.registerStatic('createUpsampleMaterial', function (worldFrom, worldTo) {
+  return new ThreeRTT.UpsampleMaterial(worldFrom, worldTo);
+});
+
+/**
+ * Create a ScaleMaterial.
+ */
+tQuery.registerStatic('createScaleMaterial', function (worldFrom, worldTo, scale) {
+  return new ThreeRTT.DownsampleMaterial(worldFrom, worldTo, scale);
+});
 /**
  * ShaderGraph.js. Assemble GLSL shaders on the fly.
  */
@@ -41476,7 +41486,7 @@ window.ShaderGraph = {};
 // Fetch shader from <script> tag by id
 ShaderGraph.getShader = function (id) {
   var elem = document.getElementById(id);
-  return elem && elem.textContent || id;
+  return elem && (elem.innerText || elem.textContent) || id;
 };(function ($) {
 
 /**
@@ -41512,8 +41522,21 @@ $.Block.prototype = {
   },
 
   fetch: function (program, phase, outlet, priority) {
-    // add outlet code to program
-  }//,
+    // Add outlet output code to program
+  },
+
+  id: function (program, phase, outlet, priority) {
+    // Lookup inouts further up the chain
+    if (outlet.meta.inout) {
+      var input = outlet.node.get(outlet.name, $.IN).input;
+      if (input) {
+        return input.node.owner().fetch(program, phase, input, priority + 1);
+      }
+    }
+
+    // Use this outlet's ID as intermediate variable name
+    return outlet.id();
+  },
 
 };
 
@@ -41538,13 +41561,14 @@ $.Block.Snippet.prototype = _.extend({}, $.Block.prototype, {
     if (!program.include(this, phase)) {
       this.insert(program, phase, priority);
     }
+
     // Use this outlet's ID as intermediate variable name.
-    return outlet.id();
+    return this.id(program, phase, outlet, priority);
   },
 
   outlets: function () {
     return $.Block.Snippet.makeOutlets(this.snippet);
-  }//,
+  },
 
 });
 
@@ -41592,7 +41616,7 @@ $.Block.Material.prototype = _.extend({}, $.Block.prototype, {
     }
 
     // Use this outlet's ID as intermediate variable name.
-    return outlet.id();
+    return this.id(program, phase, outlet, priority);
   },
 
   outlets: function () {
@@ -41600,7 +41624,7 @@ $.Block.Material.prototype = _.extend({}, $.Block.prototype, {
     var fragment = $.Block.Snippet.makeOutlets(this.fragment);
 
     return _.union(vertex, fragment);
-  }//,
+  },
 
 });
 
@@ -41618,13 +41642,27 @@ $.Block.Snippet.makeOutlets = function (snippet) {
   var args = snippet.arguments();
 
   _.each(args.parameters, function (arg) {
+    // Strip in/out suffix and set meta data
+    arg = _.extend({}, arg);
     arg.meta = { required: true };
     arg.hint = arg.name.replace(/(In|Out)$/, '');
     arg.category = 'parameter';
+
+    // Split inout args into two separate outlets
+    if (arg.inout == $.INOUT) {
+      arg.meta.inout = true;
+
+      var input = _.extend({}, arg);
+      input.inout = $.IN;
+      outlets.push(input);
+
+      arg.inout = $.OUT;
+    }
     outlets.push(arg);
   });
 
   _.each(args.uniforms, function (arg) {
+    // Strip in/out suffix and set meta data
     arg.meta = { };
     arg.hint = arg.name.replace(/(In|Out)$/, '');
     arg.category = 'uniform';
@@ -41646,8 +41684,12 @@ $.Block.Snippet.compileCall = function (program, phase, node, snippet, priority)
 
   // Assign intermediate variables.
   _.each(signature.parameters, function (arg) {
-    var outlet = node.get(arg.name);
-    if (arg.inout == $.IN) {
+
+    var fetch = arg.inout == $.INOUT ? $.IN : arg.inout;
+    var outlet = node.get(arg.name, fetch);
+
+    // Fetch code to calculate this input
+    if (arg.inout == $.IN || arg.inout == $.INOUT) {
       if (outlet.input) {
         var owner = outlet.input.node.owner();
 
@@ -41656,10 +41698,12 @@ $.Block.Snippet.compileCall = function (program, phase, node, snippet, priority)
         args.push(variable);
       }
       else {
-        console.log('Outlet', arg, outlet);
+        console.log('Outlet', arg, input);
         throw ["Missing connection on outlet for " + arg.name];
       }
     }
+
+    // Add output to call arguments
     else if (arg.inout == $.OUT) {
       var variable = outlet.id();
       program.variable(phase, variable, arg);
@@ -41784,6 +41828,15 @@ $.Factory.prototype = {
     return this;
   },
 
+  pass: function () {
+    this.next();
+
+    var sub = this.stack[0];
+    sub.start.push(null);
+
+    return this.combine();
+  },
+
   next: function () {
     var sub = this.stack.shift();
     var main = this.stack[0];
@@ -41805,12 +41858,19 @@ $.Factory.prototype = {
     var sub = this.stack.shift(),
         main = this.stack[0];
 
-    _.each(sub.start, function (to) {
-      _.each(main.end, function (from) {
-        from.connect(to, true);
+    if (sub.start.length) {
+      _.each(sub.start, function (to) {
+        // Passthrough all outlets to other side
+        if (!to) {
+          sub.end = sub.end.concat(main.end);
+        }
+        // Normal destination
+        else _.each(main.end, function (from) {
+          from.connect(to, true);
+        });
       });
-    });
-    main.end = sub.end;
+      main.end = sub.end;
+    }
 
     return this;
   },
@@ -42516,7 +42576,7 @@ $.Outlet = function (inout, name, hint, type, category, exposed, meta) {
   // Object constructor syntax
   if (typeof inout == 'object') {
     var object = inout;
-    return new $.Outlet(object.inout, object.name, object.hint, object.type, object.category, object.exposed);
+    return new $.Outlet(object.inout, object.name, object.hint, object.type, object.category, object.exposed, object.meta);
   }
 
   this.node     = null;
@@ -46255,6 +46315,74 @@ MathBox.Platonic.prototype = _.extend(new MathBox.Primitive(null), {
 });
 
 MathBox.Primitive.types.platonic = MathBox.Platonic;
+/**
+ * Text label at specified position
+ */
+MathBox.Label = function (options) {
+  // Allow inheritance constructor
+  if (options === null) return;
+
+  MathBox.Primitive.call(this, options);
+};
+
+MathBox.Label.prototype = _.extend(new MathBox.Primitive(null), {
+
+  defaults: function () {
+    return {
+      position: [0, 0, 0],
+      facing: 1,
+      distance: 15,
+      style: {
+        color: new THREE.Color(0x707070),
+      },
+      text: ""
+    };
+  },
+
+  renderables: function () {
+    return [ this.labels ];
+  },
+
+  type: function () {
+    return 'label';
+  },
+
+  adjust: function (viewport, camera) {
+    var options = this.get(),
+    // Axis vector direction for labels
+    p = [0, 0, 0];
+    p[options.facing] = 1;
+    var labelTangent = this.labelTangent;
+    labelTangent.set.apply(labelTangent, p);
+    this.labels.show(true);
+  },
+
+  make: function () {
+    var options = this.get(),
+      position = options.position,
+      text = options.text,
+      distance = options.distance,
+      style = this.style,
+      labelTangent = this.labelTangent = new THREE.Vector3();
+
+    var labelOptions = { dynamic: true, distance: distance };
+    var labelPoint  = new THREE.Vector3();
+    labelPoint.set.apply(labelPoint, position)
+    // label text callback
+    var callback = function (i) {
+      return text;
+    }.bind(this);
+    
+    this.labels = new MathBox.Renderable.Labels([labelPoint], labelTangent, callback, labelOptions, style);
+  },
+
+});
+
+MathBox.Label.validateArgs = function (options) {
+  return options;
+};
+
+MathBox.Primitive.types.label = MathBox.Label;
 MathBox.Renderable = function (options, style) {
   // Allow inheritance constructor
   if (options === null) return;
diff --git a/build/MathBox-bundle.min.js b/build/MathBox-bundle.min.js
index 95d3d45..403cae2 100644
--- a/build/MathBox-bundle.min.js
+++ b/build/MathBox-bundle.min.js
@@ -1124,49 +1124,51 @@ ThreeBox.OrbitControls.prototype={init:function(){this.width=this.element&&this.
 Math.sin(this.phi)*Math.cos(this.theta)*this.orbit;this.camera.position.addSelf(this.lookAt);this.camera.lookAt(this.lookAt)}};ThreeBox.OrbitControls.bind=function(a,b,c){return new ThreeBox.OrbitControls(a,b,c)};MicroEvent.mixin(ThreeBox.OrbitControls);
 ThreeBox.Cursor=function(a,b){function c(){f||(a.style.cursor=d);clearTimeout(e);f=!1;e=setTimeout(function(){f=!0;a.style.cursor="none"},g)}var d=b.cameraControls?"move":"default",e=null,f=!1,g=2E3;b.cursor?a.style.cursor=d:(a.addEventListener("mousemove",c),a.style.cursor="none");return{unbind:function(){a.removeEventListener("mousemove",c)}}};ThreeBox.Cursor.bind=function(a,b){return ThreeBox.Cursor(a,b)};
 ThreeBox.preload=function(a,b){a instanceof Function&&(b=a,a=[]);a="string"==typeof a?[a]:a;var c=a.length,d={},e=function(a){_.extend(d,a||{});0==--c&&b(d)},f=ThreeBox.preload,g={},h={html:f.html,jpg:f.image,png:f.image,gif:f.image,mp3:f.audio};_.each(h,function(a,b){g[b]=RegExp("\\."+b+"$")});_.each(a,function(a){_.each(h,function(b,c){if(a.match(g[c])){var d=a.split(/\//g).pop().replace(/\.[A-Za-z0-9]+$/,"");b(a,d,e)}})})};
-ThreeBox.preload.html=function(a,b,c){new microAjax(a,function(b){for(var e;e=b.match(/^(<script\s*>|<script[^>]*type=['"]text\/javascript['"][^>]*>)([\s\S]+?)<\/script>$/m);){try{eval("(function () {"+e[2]+"})()")}catch(f){console.error(f),console.error("While evaluating: "+e[2])}b=b.replace(e[0],"")}""!=b.replace(/\s*/g)&&(e=document.createElement("div"),e.innerHTML=b,document.body.appendChild(e));console.log("Loaded HTML ",a);c()})};
+ThreeBox.preload.html=function(a,b,c){new microAjax(a,function(b){var e;(e=b.match(/^<script[^>]*type=['"]text\/javascript['"][^>]*>([\s\S]+?)<\/script>$/m))?(b=document.createElement("script"),b.type="text/javascript",b.innerHTML=e[1],document.body.appendChild(b)):(e=document.createElement("div"),e.innerHTML=b,document.body.appendChild(e));console.log("Loaded HTML ",a);c()})};
 ThreeBox.preload.image=function(a,b,c){THREE.ImageUtils.loadTexture(a,null,function(d){var e={};e[b]=d;console.log("Loaded texture ",a);c(e)})};ThreeBox.preload.audio=function(a,b,c){var d=new XMLHttpRequest;d.open("GET",a,!0);d.responseType="arraybuffer";d.onload=function(){var e={};e[b]=d.response;console.log("Loaded audio ",a);c(e)};d.send()};(function(a){for(var b in a)if(!window[b])throw"Error: ThreeRTT requires "+a[b];})({THREE:"Three.js"});window.ThreeRTT=window.ThreeRTT||{};
-ThreeRTT.getShader=function(a){var b=document.getElementById(a);return b&&b.innerText||a};_.loop=function(a,b){for(var c=0;c<a;++c)b(c)};ThreeRTT.getShader=function(a){var b=document.getElementById(a);return b&&(b.innerText||b.textContent)||a};ThreeRTT.isPowerOfTwo=function(a){return 0===(a&a-1)};ThreeRTT.toTarget=function(a){return ThreeRTT.Stage&&a instanceof ThreeRTT.Stage?a.target:ThreeRTT.World&&a instanceof ThreeRTT.World?a.target():a};
+ThreeRTT.World=function(){};ThreeRTT.getShader=function(a){var b=document.getElementById(a);return b&&b.innerText||a};_.loop=function(a,b){for(var c=0;c<a;++c)b(c)};ThreeRTT.getShader=function(a){var b=document.getElementById(a);return b&&(b.innerText||b.textContent)||a};ThreeRTT.isPowerOfTwo=function(a){return 0===(a&a-1)};ThreeRTT.toTarget=function(a){return ThreeRTT.Stage&&a instanceof ThreeRTT.Stage?a.target:ThreeRTT.World&&a instanceof ThreeRTT.World?a.target():a};
 ThreeRTT.toTexture=function(a,b){a=ThreeRTT.toTarget(a);return ThreeRTT.RenderTarget&&a instanceof ThreeRTT.RenderTarget?a.read():a};MicroEvent.prototype.on=function(){MicroEvent.prototype.bind.apply(this,arguments);return this};MicroEvent.prototype.emit=function(){MicroEvent.prototype.trigger.apply(this,arguments);return this};MicroEvent.mixin=function(a){for(var b=["bind","unbind","trigger","on","emit"],c=0;c<b.length;c++)a.prototype[b[c]]=MicroEvent.prototype[b[c]]};
-ThreeRTT.Stage=function(a,b){b=_.extend({history:0,camera:{},scene:null},b);b.camera.aspect=b.camera.aspect||b.width/b.height;this.scene=b.scene||new THREE.Scene;this.camera=ThreeRTT.Camera(b.camera);this.scene.add(this.camera);this.target=new ThreeRTT.RenderTarget(a,b);this.reset();this.size(b.width,b.height)};
-ThreeRTT.Stage.prototype={options:function(){return this.target.options},reset:function(){this.renderables&&_.each(this.renderables,function(a){this.scene.remove(a)}.bind(this));this.passes=[];this.renderables=[]},paint:function(a,b){var c=new THREE.Object3D;c.frustumCulled=!1;c.visible=!0;if(!b){var d=new ThreeRTT.FragmentMaterial(this,"generic-fragment-texture"),d=this._surface(d);c.add(d)}c.add(a);this.scene.add(c);this.passes.push(1);this.renderables.push(c)},iterate:function(a,b){var c=this._surface(b);
-c.visible=!1;this.scene.add(c);this.passes.push(a);this.renderables.push(c);return this},fragment:function(a){this.iterate(1,a);return this},size:function(a,b){a=Math.floor(a);b=Math.floor(b);this.camera.aspect=a/b;this.target.size(a,b);return this},read:function(a){return this.target.read(a)},uniform:function(){return this.target.uniform()},render:function(){function a(b,c){b.visible=c;_.each(b.children,function(b){a(b,c)})}this.target.clear();_.each(this.passes,function(b,c){a(this.renderables[c],
-!0);_.loop(b,function(a){this.target.render(this.scene,this.camera)}.bind(this));a(this.renderables[c],!1)}.bind(this));return this},clear:function(){this.target.clear();return this},destroy:function(){this.target.deallocate();this.target=this.camera=this.scene=null},_surface:function(a){var b=new THREE.Mesh(new ThreeRTT.ScreenGeometry,{});b.frustumCulled=!1;b.material=a;b.renderDepth=Infinity;return b}};
-ThreeRTT.Compose=function(a,b,c,d){THREE.Object3D.call(this);a=new ThreeRTT.FragmentMaterial(a,b,c,d);b=new ThreeRTT.ScreenGeometry;a=this.mesh=new THREE.Mesh(b,a);a.frustumCulled=!1;this.add(a)};ThreeRTT.Compose.prototype=new THREE.Object3D;
-ThreeRTT.Camera=function(a){if(a.constructor instanceof THREE.Camera)return a;a=_.extend({aspect:1,far:1E4,fov:85,near:0.01,ortho:!1,scale:1},a);if(a.ortho){var b=a.scale,c=a.aspect;return new THREE.OrthographicCamera(-b*c,b*c,-b,b,a.near,a.far)}return new THREE.PerspectiveCamera(a.fov,a.aspect,a.near,a.far)};
+ThreeRTT.Stage=function(a,b){b=_.extend({history:0,camera:{},scene:null},b);b.camera.aspect=b.camera.aspect||b.width/b.height;this.camera=ThreeRTT.Camera(b.camera);this.target=new ThreeRTT.RenderTarget(a,b);this.reset();this.size(b.width,b.height)};
+ThreeRTT.Stage.prototype={options:function(){return this.target.options},reset:function(){this.scenes=[];this.passes=[]},paint:function(a,b){var c=new THREE.Scene;if(!b){var d=new ThreeRTT.FragmentMaterial(this,"generic-fragment-texture"),d=this._surface(d);c.add(d)}c.add(a);this.scenes.push(c);this.passes.push(1)},iterate:function(a,b){var c=this._surface(b),d=new THREE.Scene;d.add(c);this.scenes.push(d);this.passes.push(a);return this},fragment:function(a){this.iterate(1,a);return this},size:function(a,
+b){a=Math.floor(a);b=Math.floor(b);this.camera.aspect=a/b;this.camera.updateProjectionMatrix();this.target.size(a,b);return this},read:function(a){return this.target.read(a)},uniform:function(){return this.target.uniform()},render:function(){this.target.clear();_.each(this.passes,function(a,b){_.loop(a,function(a){this.target.render(this.scenes[b],this.camera)}.bind(this))}.bind(this));return this},clear:function(){this.target.clear();return this},destroy:function(){this.target.deallocate();this.scenes=
+[];this.passes=[];this.target=this.camera=null},_surface:function(a){var b=new THREE.Mesh(new ThreeRTT.ScreenGeometry,{});b.frustumCulled=!1;b.material=a;b.renderDepth=Infinity;return b}};ThreeRTT.Compose=function(a,b,c,d){THREE.Object3D.call(this);a=new ThreeRTT.FragmentMaterial(a,b,c,d);b=new ThreeRTT.ScreenGeometry;a=this.mesh=new THREE.Mesh(b,a);a.frustumCulled=!1;this.add(a)};ThreeRTT.Compose.prototype=new THREE.Object3D;
+ThreeRTT.Camera=function(a){if(a instanceof THREE.Camera)return a;a=_.extend({aspect:1,far:1E4,fov:85,near:0.01,ortho:!1,scale:1},a);if(a.ortho){var b=a.scale,c=a.aspect;return new THREE.OrthographicCamera(-b*c,b*c,-b,b,a.near,a.far)}return new THREE.PerspectiveCamera(a.fov,a.aspect,a.near,a.far)};
 ThreeRTT.RenderTarget=function(a,b){this.options=b=_.extend({width:256,height:256,texture:{},clear:{color:!1,depth:!1,stencil:!1},clearColor:16777215,clearAlpha:1,history:0,scene:null,camera:null,autoAdvance:!0},b);this.renderer=a;ThreeRTT.isPowerOfTwo(b.width)&&ThreeRTT.isPowerOfTwo(b.height)||b.texture.minFilter||(b.texture.minFilter=THREE.LinearFilter);this.history(this.options.history,!0);this.size(b.width,b.height);this.clear()};
-ThreeRTT.RenderTarget.prototype={read:function(a){a=Math.max(0,Math.min(this.options.history,Math.abs(a||0)));return this.virtuals[a]},write:function(){return this.targets[this.index]},history:function(a,b){void 0!==a&&(this._history=a,this.buffers=a+2,b||this.allocate());return this._history},size:function(a,b){a&&b&&(this.width=Math.floor(a),this.height=Math.floor(b),this.allocate());return{width:this.width,height:this.height}},deallocate:function(){this.deallocateTargets()},allocate:function(){this.deallocateTargets();
-this.allocateTargets();this.allocateVirtuals()},deallocateTargets:function(){_.each(this.targets||[],function(a){this.renderer.deallocateRenderTarget(a)}.bind(this))},allocateTargets:function(){var a=this.options;n=this.buffers;var b=this.targets=[];_.loop(n,function(c){b.push(new THREE.WebGLRenderTarget(this.width,this.height,a.texture));b[c].__index=c}.bind(this))},allocateVirtuals:function(){var a=this.targets[0],b=this.virtuals||[];n=Math.max(1,this.buffers-1);n>b.length?_.loop(n-b.length,function(){b.push(a.clone())}.bind(this)):
-b=b.slice(0,n);_.each(b,function(a,b){a.width=this.width;a.height=this.height;a.__index=b}.bind(this));this.virtuals=b;this.index=-1;this.advance()},advance:function(){var a=this.targets,b=this.virtuals,c=this.index,d=this.buffers,e=b.length;this.index=c=(c+1)%d;_.loop(e,function(f){var g=b[f];f=a[(e-f+c)%d];g.__webglTexture=f.__webglTexture;g.__webglFramebuffer=f.__webglFramebuffer;g.__webglRenderbuffer=f.__webglRenderbuffer;g.__index=f.__index})},clear:function(){var a=this.options,b=a.clear,c=
-this.renderer,d=c.getClearColor().clone(),e=c.getClearAlpha();c.setClearColorHex(a.clearColor,a.clearAlpha);c.clearTarget(this.write(),b.color,b.stencil,b.depth);c.setClearColor(d,e)},render:function(a,b){this.emit("render",a,b);var c=this.renderer.autoClear;this.renderer.autoClear=!1;this.clear();this.renderer.render(a,b,this.write());this.renderer.autoClear=c;this.options.autoAdvance&&this.advance()},uniform:function(a){var b=this.history();if(b){var c=[];_.loop(b+1,function(a){c.push(this.read(-a))}.bind(this));
-return{type:"tv",value:c,count:b+1}}return{type:"t",value:a,texture:this.read(),count:1}}};MicroEvent.mixin(ThreeRTT.RenderTarget);ThreeRTT.ScreenGeometry=function(){return new THREE.PlaneGeometry(2,2,1,1)};
+ThreeRTT.RenderTarget.prototype={read:function(a){a=Math.max(0,Math.min(this.options.history,Math.abs(a||0)));return this.virtuals[a]},write:function(){return this.targets[this.index]},history:function(a,b){void 0!==a&&(this._history=a,this.buffers=a+2,b||this.allocate());return this._history},size:function(a,b){void 0!==a&&void 0!==b&&(this.width=Math.max(1,Math.floor(a)),this.height=Math.max(1,Math.floor(b)),this.allocate());return{width:this.width,height:this.height}},deallocate:function(){this.deallocateTargets()},
+allocate:function(){this.deallocateTargets();this.allocateTargets();this.allocateVirtuals()},deallocateTargets:function(){_.each(this.targets||[],function(a){a.dispose()}.bind(this))},allocateTargets:function(){var a=this.options;n=this.buffers;var b=this.targets=[];_.loop(n,function(c){b.push(new THREE.WebGLRenderTarget(this.width,this.height,a.texture));b[c].__index=c}.bind(this))},allocateVirtuals:function(){var a=this.targets[0],b=this.virtuals||[];n=Math.max(1,this.buffers-1);n>b.length?_.loop(n-
+b.length,function(){b.push(a.clone())}.bind(this)):b=b.slice(0,n);_.each(b,function(a,b){a.width=this.width;a.height=this.height;a.__index=b}.bind(this));this.virtuals=b;this.index=-1;this.advance()},advance:function(){var a=this.targets,b=this.virtuals,c=this.index,d=this.buffers,e=b.length;this.index=c=(c+1)%d;_.loop(e,function(f){var g=b[f];f=a[(e-f+c)%d];g.__webglTexture=f.__webglTexture;g.__webglFramebuffer=f.__webglFramebuffer;g.__webglRenderbuffer=f.__webglRenderbuffer;g.__index=f.__index})},
+clear:function(){var a=this.options,b=a.clear,c=this.renderer,d=c.getClearColor().clone(),e=c.getClearAlpha();c.setClearColor(a.clearColor,a.clearAlpha);c.clearTarget(this.write(),b.color,b.depth,b.stencil);c.setClearColor(d,e)},render:function(a,b){this.emit("render",a,b);var c=this.renderer.autoClear;this.renderer.autoClear=!1;this.clear();this.renderer.render(a,b,this.write());this.renderer.autoClear=c;this.options.autoAdvance&&this.advance()},uniform:function(a){var b=this.history();if(b){var c=
+[];_.loop(b+1,function(a){c.push(this.read(-a))}.bind(this));return{type:"tv",value:c,count:b+1}}return{type:"t",value:a,texture:this.read(),count:1}}};MicroEvent.mixin(ThreeRTT.RenderTarget);ThreeRTT.ScreenGeometry=function(){return new THREE.PlaneGeometry(2,2,1,1)};
 ThreeRTT.ShaderMaterial=function(a,b,c,d,e){if(d instanceof Array){var f={};_.each(d,function(a,b){f["texture"+(i+1)]=a});d=f}else if(d instanceof THREE.Texture||d instanceof ThreeRTT.World||d instanceof THREE.WebGLRenderTarget)d={texture1:d};a instanceof Array||(a=[a]);a=_.map(a,function(a){return ThreeRTT.toTarget(a)});e=_.extend(e||{},{sampleStep:{type:"v2",value:new THREE.Vector2}});_.each(d,function(a,b){e[b]={type:"t",value:ThreeRTT.toTexture(a)}});_.each(a,function(a,b){var c="texture"+(b+
 1);a.read&&!e[c]&&(e[c]={type:"t",value:a.read()})});e.texture1&&!e.texture&&(e.texture=e.texture1);a[0].on("render",function(){var b=a[0].options.texture,c=b.wrapT,d={1E3:0,1001:1,1002:0},f=e.sampleStep.value;f.x=1/(a[0].width-(d[b.wrapS]||0));f.y=1/(a[0].height-(d[c]||0))});return new THREE.ShaderMaterial({uniforms:e,vertexShader:ThreeRTT.getShader(b||"generic-vertex"),fragmentShader:ThreeRTT.getShader(c||"generic-fragment-texture")})};
 ThreeRTT.FragmentMaterial=function(a,b,c,d){a=new ThreeRTT.ShaderMaterial(a,"generic-vertex-screen",b,c,d);a.side=THREE.DoubleSide;a.depthTest=!1;a.depthWrite=!1;a.transparent=!0;a.blending=THREE.NoBlending;return a};
-ThreeRTT.DownsampleMaterial=function(a,b){var c={};a=ThreeRTT.toTarget(a);b=ThreeRTT.toTarget(b);c=_.extend(c,{sampleAlignment:{type:"v2",value:new THREE.Vector2},texture:{type:"t",value:a.read()}});b.on("render",function(){var d=a,f=b,g=2*f.height/d.height,h=c.sampleAlignment.value;h.x=2*f.width/d.width;h.y=g});var d=new THREE.ShaderMaterial({uniforms:c,vertexShader:ThreeRTT.getShader("rtt-vertex-downsample"),fragmentShader:ThreeRTT.getShader("generic-fragment-texture")});d.side=THREE.DoubleSide;
-d.depthTest=!1;d.depthWrite=!1;d.transparent=!0;d.blending=THREE.NoBlending;return d};
-ThreeRTT.RaytraceMaterial=function(a,b,c,d){if(c instanceof Array)_.each(c,function(a,b){});else if(c instanceof THREE.Texture||c instanceof ThreeRTT.World||c instanceof THREE.WebGLRenderTarget)c={texture1:c};a=ThreeRTT.toTarget(a);d=_.extend(d||{},{cameraViewport:{type:"v2",value:new THREE.Vector2},cameraWorld:{type:"m4",value:new THREE.Matrix4}});var e=0;_.each(c||[],function(a,b){d[b]={type:"t",value:e++,texture:ThreeRTT.toTexture(a)}});a.on("render",function(a,b){b.updateMatrixWorld();if(b.fov){var c=
-Math.tan(b.fov*\u03c0/360);d.cameraViewport.value.set(c*b.aspect,c)}b.matrixWorld&&(d.cameraWorld.value=b.matrixWorld)});return new THREE.ShaderMaterial({uniforms:d,vertexShader:ThreeRTT.getShader("generic-vertex-screen"),fragmentShader:ThreeRTT.getShader(b)})};ThreeRTT.Display=function(a,b,c){a instanceof Array||(a=[a]);this.gx=b||a.length;this.gy=c||1;this.targets=a;this.n=a.length;THREE.Object3D.call(this);this.make()};
+ThreeRTT.ScaleMaterial=function(a,b,c){var d={};a=ThreeRTT.toTarget(a);b=ThreeRTT.toTarget(b);d=_.extend(d,{sampleAlignment:{type:"v2",value:new THREE.Vector2},texture:{type:"t",value:a.read()}});b.on("render",function(){var e=a,g=b,h=g.height*c/e.height,l=d.sampleAlignment.value;l.x=g.width*c/e.width;l.y=h});var e=new THREE.ShaderMaterial({uniforms:d,vertexShader:ThreeRTT.getShader("rtt-vertex-downsample"),fragmentShader:ThreeRTT.getShader("generic-fragment-texture")});e.side=THREE.DoubleSide;e.depthTest=
+!1;e.depthWrite=!1;e.transparent=!0;e.blending=THREE.NoBlending;return e};ThreeRTT.DownsampleMaterial=function(a,b){return new ThreeRTT.ScaleMaterial(a,b,2)};ThreeRTT.UpsampleMaterial=function(a,b){return new ThreeRTT.ScaleMaterial(a,b,0.5)};
+ThreeRTT.RaytraceMaterial=function(a,b,c,d,e){a instanceof Array||(a=[a]);c=new ThreeRTT.ShaderMaterial(a,"raytrace-vertex-screen",c,d,e);e=_.extend(c.uniforms||{},{raytraceViewport:{type:"v2",value:new THREE.Vector2},raytracePosition:{type:"v3",value:new THREE.Vector3},raytraceMatrix:{type:"m4",value:new THREE.Matrix4}});a=ThreeRTT.toTarget(a[0]);var f=new THREE.Vector3;a.on("render",function(a){b.updateMatrixWorld();b.fov&&(a=Math.tan(b.fov*\u03c0/360),e.raytraceViewport.value.set(a*b.aspect,a));
+b.matrixWorld&&(e.raytraceMatrix.value.copy(b.matrixWorld),e.raytraceMatrix.value.setPosition(f),e.raytracePosition.value.getPositionFromMatrix(b.matrixWorld))});return c};ThreeRTT.Display=function(a,b,c){a instanceof Array||(a=[a]);this.gx=b||a.length;this.gy=c||1;this.targets=a;this.n=a.length;THREE.Object3D.call(this);this.make()};
 ThreeRTT.Display.prototype=_.extend(new THREE.Object3D,{make:function(){for(var a=this.n,b=this.gx,c=this.gy,d=this.targets,e=(b-1)/2,f=(c-1)/2,g=new THREE.PlaneGeometry(1,1,1,1),h=0,l=0;h<a&&l<c;++l)for(var k=0;h<a&&k<b;++k,++h){var q=new THREE.MeshBasicMaterial({color:16777215,map:ThreeRTT.toTexture(d[h]),fog:!1});q.side=THREE.DoubleSide;q=new THREE.Mesh(g,q);q.renderDepth=1E4+Math.random();this.add(q);1<b&&(q.position.x=-e+k);1<c&&(q.position.y=f-l)}}});
 ThreeRTT.World=function(a,b){b=b||{};b=_.extend({autoRendering:!0,autoSize:!(b.width&&b.height),order:++ThreeRTT.World.sequence,scale:1},b);b.width=!b.autoSize&&b.width||(a._opts&&a._opts.renderW||256)/b.scale;b.height=!b.autoSize&&b.height||(a._opts&&a._opts.renderH||256)/b.scale;a.on("resize",function(a,d){b.autoSize&&(a/=b.scale,d/=b.scale,this.size(a,d))}.bind(this));this._options=b;this._world=a;this._autoRendering=b.autoRendering;this._renderer=a.tRenderer();this._stage=new ThreeRTT.Stage(this._renderer,
-b);this._scene=this._stage.scene;this._camera=this._stage.camera;this.queue=ThreeRTT.RenderQueue.bind(a);b.autoRendering&&this.queue.add(this);this.size(b.width,b.height,!0)};ThreeRTT.World.sequence=1E5;
+b);this._tScene=this._stage.scene;this._tCamera=this._stage.camera;this.queue=ThreeRTT.RenderQueue.bind(a);b.autoRendering&&this.queue.add(this);this.size(b.width,b.height,!0)};ThreeRTT.World.sequence=1E5;
 ThreeRTT.World.prototype=_.extend(new THREE.Object3D,tQuery.World.prototype,{stage:function(){return this._stage},target:function(){return this._stage.target},autoSize:function(a){void 0!==a&&(this._options.autoSize=a);return this._options.autoSize},adjust:function(a){var b=this._options.scale,c=this._options.width,d=this._options.height;this._options.autoSize&&(d=this._world._opts,c=d.renderW,d=d.renderH);c/=b;d/=b;this._opts={renderW:c,renderH:d};a||this._stage.size(c,d)},scale:function(a){return a?
 (this._options.scale=a,this.adjust(),this):this._options.scale},size:function(a,b,c){return a&&b?(this._options.width=a,this._options.height=b,this.adjust(c),this):{width:this._options.width,height:this._options.height}},options:function(){return this._stage.options()},reset:function(){this._stage.reset();return this},paint:function(a,b){this._stage.paint(a,b);return this},iterate:function(a,b,c,d){b=b instanceof THREE.Material?b:tQuery.createFragmentMaterial(this,b,c,d);this._stage.iterate(a,b);
-return this},fragment:function(a,b,c){a=a instanceof THREE.Material?a:tQuery.createFragmentMaterial(this,a,b,c);this._stage.fragment(a);return this},raytrace:function(a,b,c){a=a instanceof THREE.Material?a:tQuery.createRaytraceMaterial(this,a,b,c);this._stage.fragment(a);return this},downsample:function(a){if(!a.autoSize()){var b=a.size();this._options.width=b.width;this._options.height=b.height}b=a.scale();this.scale(2*b);a=tQuery.createDownsampleMaterial(a,this);this._stage.fragment(a);return this},
-read:function(a){return this._stage.read(a)},uniform:function(){return this._stage.uniform()},render:function(){this._stage.render();return this},destroy:function(){this._stage.destroy();this._stage=null;this.queue.remove(this);this.trigger("destroy");return this}});tQuery.pluginsInstanceOn(ThreeRTT.World);tQuery.MicroeventMixin(ThreeRTT.World.prototype);ThreeRTT.RenderQueue=function(a){this.world=a;this.queue=[];this.callback=null;this.renderer=a.tRenderer()};
+return this},shader:function(a,b,c,d){a=a instanceof THREE.Material?a:tQuery.createShaderMaterial(this,a,b,c,d);this._stage.fragment(a);return this},fragment:function(a,b,c){a=a instanceof THREE.Material?a:tQuery.createFragmentMaterial(this,a,b,c);this._stage.fragment(a);return this},raytrace:function(a,b,c,d){a=b instanceof THREE.Material?b:tQuery.createRaytraceMaterial(this,a,b,c,d);this._stage.fragment(a);return this},downsample:function(a){if(!a.autoSize()){var b=a.size();this._options.width=
+b.width;this._options.height=b.height}b=a.scale();this.scale(2*b);a=tQuery.createDownsampleMaterial(a,this);this._stage.fragment(a);return this},upsample:function(a){if(!a.autoSize()){var b=a.size();this._options.width=b.width;this._options.height=b.height}b=a.scale();this.scale(0.5*b);a=tQuery.createUpsampleMaterial(a,this);this._stage.fragment(a);return this},read:function(a){return this._stage.read(a)},uniform:function(){return this._stage.uniform()},render:function(){this._stage.render();return this},
+destroy:function(){this._stage.destroy();this._stage=null;this.queue.remove(this);this.trigger("destroy");return this}});tQuery.pluginsInstanceOn(ThreeRTT.World);tQuery.MicroeventMixin(ThreeRTT.World.prototype);ThreeRTT.RenderQueue=function(a){this.world=a;this.queue=[];this.callback=null;this.renderer=a.tRenderer()};
 ThreeRTT.RenderQueue.prototype={add:function(a){this.queue.push(a);this.sort();this.init()},remove:function(a){this.queue.splice(this.queue.indexOf(a),1);this.cleanup()},init:function(){var a=this.queue,b=this.world;a.length&&!this.callback&&b.loop().hookPreRender(this.callback=function(){_.each(a,function(a){a.render()})})},cleanup:function(){var a=this.world;!this.queue.length&&this.callback&&(a.loop().unhookPreRender(this.callback),this.callback=null)},sort:function(){this.queue.sort(function(a,
 b){return a.order-b.order})}};ThreeRTT.RenderQueue.bind=function(a){return a.__rttRenderQueue?a.__rttRenderQueue:a.__rttRenderQueue=new ThreeRTT.RenderQueue(a)};tQuery.World.registerInstance("rtt",function(a){return tQuery.createRTT(this,a)});tQuery.World.registerInstance("compose",function(a,b,c,d){a=tQuery.createComposeRTT(a,b,c,d);this.add(a);return a});tQuery.World.registerInstance("display",function(a,b,c){a=tQuery.createDisplayRTT(a,b,c);this.add(a);return a});
 tQuery.registerStatic("createRTT",function(a,b){return new ThreeRTT.World(a,b)});tQuery.registerStatic("createComposeRTT",function(a,b,c,d){return new ThreeRTT.Compose(a,b,c,d)});tQuery.registerStatic("createDisplayRTT",function(a,b,c){return new ThreeRTT.Display(a,b,c)});tQuery.registerStatic("createShaderMaterial",function(a,b,c,d,e){return new ThreeRTT.FragmentMaterial(a,b,c,d,e)});tQuery.registerStatic("createFragmentMaterial",function(a,b,c,d){return new ThreeRTT.FragmentMaterial(a,b,c,d)});
-tQuery.registerStatic("createRaytraceMaterial",function(a,b,c,d){return new ThreeRTT.RaytraceMaterial(a,b,c,d)});tQuery.registerStatic("createDownsampleMaterial",function(a,b){return new ThreeRTT.DownsampleMaterial(a,b)});(function(a){for(var b in a)if(!window[b])throw"Error: ShaderGraph requires "+a[b];})({THREE:"Three.js"});window.ShaderGraph={};ShaderGraph.getShader=function(a){var b=document.getElementById(a);return b&&(b.innerText||b.textContent)||a};
-(function(a){a.Block=function(b){b=b||new a.Node;this.node(b);this.children=[];this.parent=null;this.properties={};this.index=++a.Block.index;this.refresh()};a.Block.index=0;a.Block.prototype={node:function(a){return void 0!==a?(this._node=a,this):this._node},refresh:function(){this._node.owner(this);this._node.outlets(this.outlets())},fetch:function(a,c,d,e){}};a.Block.Snippet=function(b){this.snippet=new a.Snippet(b);a.Block.call(this)};a.Block.Snippet.prototype=_.extend({},a.Block.prototype,{insert:function(b,
-c,d){a.Block.Snippet.compileCall(b,c,this.node(),this.snippet,d)},fetch:function(a,c,d,e){a.include(this,c)||this.insert(a,c,e);return d.id()},outlets:function(){return a.Block.Snippet.makeOutlets(this.snippet)}});a.Block.Material=function(b,c){this.vertex=new a.Snippet(b);this.fragment=new a.Snippet(c);a.Block.call(this)};a.Block.Material.prototype=_.extend({},a.Block.prototype,{compile:function(){if(0<this.node().outputs.length)throw"Can't compile material with outputs";this.node();var b=new a.Program;
-this.insert(b,"vertex",0);this.insert(b,"fragment",0);b.compile();return b},insert:function(b,c,d){a.Block.Snippet.compileCall(b,c,this.node(),this[c],d)},fetch:function(a,c,d,e){a.include(this,c)||this.insert(a,c,e);"fragment"==c&&(a.include(this,"vertex")||this.insert(a,"vertex",0));return d.id()},outlets:function(){var b=a.Block.Snippet.makeOutlets(this.vertex),c=a.Block.Snippet.makeOutlets(this.fragment);return _.union(b,c)}});a.Block.Snippet.makeOutlets=function(b){var c=[];if(b.outlets)return b.outlets;
-var d=b.arguments();_.each(d.parameters,function(a){a.meta={required:!0};a.hint=a.name.replace(/(In|Out)$/,"");a.category="parameter";c.push(a)});_.each(d.uniforms,function(b){b.meta={};b.hint=b.name.replace(/(In|Out)$/,"");b.category="uniform";b.inout=a.IN;c.push(b)});return b.outlets=c};a.Block.Snippet.compileCall=function(b,c,d,e,f){var g=e.arguments(),h=[];_.each(g.parameters,function(e){var g=d.get(e.name);if(e.inout==a.IN)if(g.input)g=g.input.node.owner().fetch(b,c,g.input,f+1),b.variable(c,
-g,e),h.push(g);else throw console.log("Outlet",e,g),["Missing connection on outlet for "+e.name];else e.inout==a.OUT&&(g=g.id(),b.variable(c,g,e),h.push(g))});var l=[];_.each(g.uniforms,function(a){var e=d.get(a.name);e.input?(e=e.input.node.owner().fetch(b,c,e.input,f+1),b.variable(c,e,a),h.push(e),l.push(a.name)):b.external("uniform",a)});_.each(g.attributes,function(a){b.external("attribute",a)});_.each(g.varyings,function(a){b.external("varying",a)});g=["_sg",c,e.name,d.owner().index].join("_");
-e=e.compile(g,l,!0);b.add(c,g,h,e,f)}})(ShaderGraph);
+tQuery.registerStatic("createRaytraceMaterial",function(a,b,c,d,e){return new ThreeRTT.RaytraceMaterial(a,b,c,d,e)});tQuery.registerStatic("createDownsampleMaterial",function(a,b){return new ThreeRTT.DownsampleMaterial(a,b)});tQuery.registerStatic("createUpsampleMaterial",function(a,b){return new ThreeRTT.UpsampleMaterial(a,b)});tQuery.registerStatic("createScaleMaterial",function(a,b,c){return new ThreeRTT.DownsampleMaterial(a,b,c)});
+(function(a){for(var b in a)if(!window[b])throw"Error: ShaderGraph requires "+a[b];})({THREE:"Three.js"});window.ShaderGraph={};ShaderGraph.getShader=function(a){var b=document.getElementById(a);return b&&(b.innerText||b.textContent)||a};
+(function(a){a.Block=function(b){b=b||new a.Node;this.node(b);this.children=[];this.parent=null;this.properties={};this.index=++a.Block.index;this.refresh()};a.Block.index=0;a.Block.prototype={node:function(a){return void 0!==a?(this._node=a,this):this._node},refresh:function(){this._node.owner(this);this._node.outlets(this.outlets())},fetch:function(a,c,d,e){},id:function(b,c,d,e){if(d.meta.inout){var f=d.node.get(d.name,a.IN).input;if(f)return f.node.owner().fetch(b,c,f,e+1)}return d.id()}};a.Block.Snippet=
+function(b){this.snippet=new a.Snippet(b);a.Block.call(this)};a.Block.Snippet.prototype=_.extend({},a.Block.prototype,{insert:function(b,c,d){a.Block.Snippet.compileCall(b,c,this.node(),this.snippet,d)},fetch:function(a,c,d,e){a.include(this,c)||this.insert(a,c,e);return this.id(a,c,d,e)},outlets:function(){return a.Block.Snippet.makeOutlets(this.snippet)}});a.Block.Material=function(b,c){this.vertex=new a.Snippet(b);this.fragment=new a.Snippet(c);a.Block.call(this)};a.Block.Material.prototype=_.extend({},
+a.Block.prototype,{compile:function(){if(0<this.node().outputs.length)throw"Can't compile material with outputs";this.node();var b=new a.Program;this.insert(b,"vertex",0);this.insert(b,"fragment",0);b.compile();return b},insert:function(b,c,d){a.Block.Snippet.compileCall(b,c,this.node(),this[c],d)},fetch:function(a,c,d,e){a.include(this,c)||this.insert(a,c,e);"fragment"==c&&(a.include(this,"vertex")||this.insert(a,"vertex",0));return this.id(a,c,d,e)},outlets:function(){var b=a.Block.Snippet.makeOutlets(this.vertex),
+c=a.Block.Snippet.makeOutlets(this.fragment);return _.union(b,c)}});a.Block.Snippet.makeOutlets=function(b){var c=[];if(b.outlets)return b.outlets;var d=b.arguments();_.each(d.parameters,function(b){b=_.extend({},b);b.meta={required:!0};b.hint=b.name.replace(/(In|Out)$/,"");b.category="parameter";if(b.inout==a.INOUT){b.meta.inout=!0;var d=_.extend({},b);d.inout=a.IN;c.push(d);b.inout=a.OUT}c.push(b)});_.each(d.uniforms,function(b){b.meta={};b.hint=b.name.replace(/(In|Out)$/,"");b.category="uniform";
+b.inout=a.IN;c.push(b)});return b.outlets=c};a.Block.Snippet.compileCall=function(b,c,d,e,f){var g=e.arguments(),h=[];_.each(g.parameters,function(e){var g=d.get(e.name,e.inout==a.INOUT?a.IN:e.inout);if(e.inout==a.IN||e.inout==a.INOUT)if(g.input)g=g.input.node.owner().fetch(b,c,g.input,f+1),b.variable(c,g,e),h.push(g);else throw console.log("Outlet",e,input),["Missing connection on outlet for "+e.name];else e.inout==a.OUT&&(g=g.id(),b.variable(c,g,e),h.push(g))});var l=[];_.each(g.uniforms,function(a){var e=
+d.get(a.name);e.input?(e=e.input.node.owner().fetch(b,c,e.input,f+1),b.variable(c,e,a),h.push(e),l.push(a.name)):b.external("uniform",a)});_.each(g.attributes,function(a){b.external("attribute",a)});_.each(g.varyings,function(a){b.external("varying",a)});g=["_sg",c,e.name,d.owner().index].join("_");e=e.compile(g,l,!0);b.add(c,g,h,e,f)}})(ShaderGraph);
 (function(a){a.Factory=function(){this.end()};a.Factory.prototype={snippet:function(b,c){c=c||"append";var d=new a.Block.Snippet(ShaderGraph.getShader(b));this[c](d.node());return this},material:function(b,c,d){d=d||"append";b=new a.Block.Material(ShaderGraph.getShader(b),ShaderGraph.getShader(c));this[d](b.node());return this},snippetBefore:function(a){this.snippet(a,"prepend");return this},materialBefore:function(a,c){this.material(code,"prepend");return this},append:function(a){a.graph||this.graph.add(a);
-var c=this.stack[0];_.each(c.end,function(c){c.connect(a)});c.start.length||(c.start=[a]);c.end=[a];return this},prepend:function(a){a.graph||this.graph.add(a);var c=this.stack[0];_.each(c.start,function(c){a.connect(c)});c.end.length||(c.end=[a]);c.start=[a];return this},group:function(){this.stack.unshift({start:[],end:[]});this.stack.unshift({start:[],end:[]});return this},next:function(){var a=this.stack.shift(),c=this.stack[0];c.start=c.start.concat(a.start);c.end=c.end.concat(a.end);this.stack.unshift({start:[],
-end:[]});return this},combine:function(){if(2>=this.stack.length)throw"Popping factory stack too far.";this.next();this.stack.shift();var a=this.stack.shift(),c=this.stack[0];_.each(a.start,function(a){_.each(c.end,function(b){b.connect(a,!0)})});c.end=a.end;return this},end:function(){var b=this.graph;this.graph=new a.Graph;this.stack=[];this.group();b&&(b.compile=function(){return b.tail().owner().compile()});return b}}})(ShaderGraph);
+var c=this.stack[0];_.each(c.end,function(c){c.connect(a)});c.start.length||(c.start=[a]);c.end=[a];return this},prepend:function(a){a.graph||this.graph.add(a);var c=this.stack[0];_.each(c.start,function(c){a.connect(c)});c.end.length||(c.end=[a]);c.start=[a];return this},group:function(){this.stack.unshift({start:[],end:[]});this.stack.unshift({start:[],end:[]});return this},pass:function(){this.next();this.stack[0].start.push(null);return this.combine()},next:function(){var a=this.stack.shift(),
+c=this.stack[0];c.start=c.start.concat(a.start);c.end=c.end.concat(a.end);this.stack.unshift({start:[],end:[]});return this},combine:function(){if(2>=this.stack.length)throw"Popping factory stack too far.";this.next();this.stack.shift();var a=this.stack.shift(),c=this.stack[0];a.start.length&&(_.each(a.start,function(d){d?_.each(c.end,function(a){a.connect(d,!0)}):a.end=a.end.concat(c.end)}),c.end=a.end);return this},end:function(){var b=this.graph;this.graph=new a.Graph;this.stack=[];this.group();
+b&&(b.compile=function(){return b.tail().owner().compile()});return b}}})(ShaderGraph);
 (function(a){a.Program=function(){this.calls={vertex:{},fragment:{}};this.variables={vertex:{},fragment:{}};this.externals={};this.compiled=!1;this.attributes={};this.uniforms={};this.fragmentShader=this.vertexShader="";this.includes={vertex:[],fragment:[]}};a.Program.types={f:"float",v2:"vec2",v3:"vec3",v4:"vec4",m3:"mat3",m4:"mat4",t:"sampler2D"};a.Program.prototype={include:function(a,c){if(0<=this.includes[c].indexOf(a))return!0;this.includes[c].push(a);return!1},external:function(a,c){c=_.extend({category:a},
 c);this.externals[c.name]=c},variable:function(a,c,d){d=_.extend({},d,{name:c});this.variables[a][c]=d},add:function(a,c,d,e,f){var g=this.calls[a][c];g?g.priority=Math.min(g.priority,f):this.calls[a][c]={name:c,args:d,code:e,priority:f}},compile:function(){_.each(this.externals,function(a){"uniform"==a.category&&(this.uniforms[a.name]={type:a.type,value:a.value});"attribute"==a.category&&(this.attributes[a.name]={type:a.type,value:[]})}.bind(this));_.each(["vertex","fragment"],function(b){var c=
 [];_.each(this.externals,function(a){"attribute"==a.category&&"fragment"==b||c.push([a.category,a.signature,";"].join(" "))}.bind(this));var c=c.join("\n"),d=_.toArray(this.calls[b]),e=[c],f=["void main() {"];_.each(this.variables[b],function(b){f.push([a.Program.types[b.type],b.name,";"].join(" "))});d.sort(function(a,b){return b.priority-a.priority});_.each(d,function(a){e.push(a.code);f.push([a.name,"(",a.args.join(","),");"].join(""))});f.push("}");this[b+"Shader"]=[e.join("\n"),f.join("\n")].join("\n")}.bind(this));
@@ -1183,10 +1185,10 @@ a.push(c)})});return a},tail:function(){return this.nodes[this.nodes.length-1]},
 b){var c={};_.each(b,function(a){c[[a.name,a.inout,a.type].join("-")]=!0}.bind(this));_.each(this._outlets,function(a){c[[a.name,a.inout,a.type].join("-")]||this.remove(a)}.bind(this));_.each(b,function(b){var c=this.get(b.name,b.inout);c?c.morph(b):(b=new a.Outlet(b),this.add(b))}.bind(this));return this}return this._outlets},add:function(b){var c=this.key(b);outlets=this._outlets;_in=this.inputs;_out=this.outputs;if(b.node)throw"Adding outlet to two nodes at once.";if(outlets[c])throw"Adding two identical outlets to same node.";
 b.link(this);outlets[c]=b;(b.inout==a.IN?_in:_out).push(b);return this},remove:function(b){var c=this._outlets,d=this.key(b),e=b.inout==a.IN?this.inputs:this.outputs;if(b.node!=this)throw"Removing outlet from wrong node.";b.disconnect();b.link(null);delete c[d];e.splice(e.indexOf(b),1);return this},connect:function(a,c,d){var e={},f={};_.each(a.inputs,function(a){if(d||!a.input){var b=a.type,c=[b,a.hint].join("-");f[c]||(f[c]=a);e[b]=e[b]||[];e[b].push(a)}});_.each(this.outputs,function(a){if(!c||
 !a.output.length){var b=a.type,d=[b,a.hint].join("-");f[d]?(f[d].connect(a),delete f[d],e[b].splice(e[b].indexOf(a),1)):e[b]&&e[b].length&&e[b].shift().connect(a)}});return this},disconnect:function(a){_.each(this.inputs,function(a){a.disconnect()});_.each(this.outputs,function(a){a.disconnect()});return this}}})(ShaderGraph);
-(function(a){a.Outlets=0;a.Outlet=function(b,c,d,e,f,g,h){if("object"==typeof b)return new a.Outlet(b.inout,b.name,b.hint,b.type,b.category,b.exposed);this.node=null;this.inout=b;this.name=c;this.hint=d||c;this.type=e;this.category=f;this.exposed=!!g;this.meta=h||{};this.index=++a.Outlets;this.input=this.key=null;this.output=[]};a.Outlet.prototype={id:function(){return["_sg",this.name,this.index].join("_")},expose:function(a){this.exposed=a},morph:function(a){this.inout=a.inout;this.name=a.name;this.type=
-a.type;this.category=a.category;this.exposed=a.exposed;this.meta=a.meta||{}},connect:function(b){if(this.inout==a.IN&&b.inout==a.OUT)return b.connect(this);if(this.inout!=a.OUT||b.inout!=a.IN)throw console.log(this,b),"Can't connect out/out or in/in outlets.";b.input!=this&&(b.disconnect(),b.input=this,this.output.push(b))},disconnect:function(b){if(this.inout==a.IN)this.input&&this.input.disconnect(this);else if(b){var c=this.output.indexOf(b);0<=c&&(this.output.splice(c,1),b.input=null)}else _.each(this.output,
+(function(a){a.Outlets=0;a.Outlet=function(b,c,d,e,f,g,h){if("object"==typeof b)return new a.Outlet(b.inout,b.name,b.hint,b.type,b.category,b.exposed,b.meta);this.node=null;this.inout=b;this.name=c;this.hint=d||c;this.type=e;this.category=f;this.exposed=!!g;this.meta=h||{};this.index=++a.Outlets;this.input=this.key=null;this.output=[]};a.Outlet.prototype={id:function(){return["_sg",this.name,this.index].join("_")},expose:function(a){this.exposed=a},morph:function(a){this.inout=a.inout;this.name=a.name;
+this.type=a.type;this.category=a.category;this.exposed=a.exposed;this.meta=a.meta||{}},connect:function(b){if(this.inout==a.IN&&b.inout==a.OUT)return b.connect(this);if(this.inout!=a.OUT||b.inout!=a.IN)throw console.log(this,b),"Can't connect out/out or in/in outlets.";b.input!=this&&(b.disconnect(),b.input=this,this.output.push(b))},disconnect:function(b){if(this.inout==a.IN)this.input&&this.input.disconnect(this);else if(b){var c=this.output.indexOf(b);0<=c&&(this.output.splice(c,1),b.input=null)}else _.each(this.output,
 function(a){a.input=null}),this.output=[]},link:function(a){this.node=a}}})(ShaderGraph);\u03c0=Math.PI;\u03c4=2*\u03c0;(function(a){for(var b in a)if(!window[b])throw"Error: MathBox requires "+a[b];})({THREE:"Three.js",tQuery:"tQuery.js (bundle)",ThreeBox:"ThreeBox.js",ThreeRTT:"ThreeRTT.js"});window.MathBox={};window.mathBox=function(a,b){!a||a instanceof Node||(b=a,a=null);return tQuery.createWorld(b).mathBox(a,b)};
-MathBox.getShader=function(a){var b=document.getElementById(a);return b&&(b.innerText||b.textContent)||a};Math.sign=function(a){return 0<a?1:0>a?-1:0};MathBox.Attributes=function(){};
+MathBox.getShader=function(a){var b=document.getElementById(a);return b&&b.textContent||a};Math.sign=function(a){return 0<a?1:0>a?-1:0};MathBox.Attributes=function(){};
 MathBox.Attributes.prototype={get:function(a){return void 0===a?this.__attributes||{}:this.__attributes?this.__attributes[a]:void 0},set:function(a,b){function c(a,b){try{b=h(a,b),d[a]=b,f[a]=b}catch(c){throw"Exception setting '"+a+"' to '"+b+"': "+c;}}this.__attributes||(this.__attributes={});this.__validators||(this.__validators={});var d={},e=this.__validators,f=this.__attributes,g=this,h=function(a,b){if(void 0===e[a]){var c="validate"+a.charAt(0).toUpperCase()+a.slice(1);e[a]=g[c]||!1}return e[a]?
 e[a].call(this,b):b}.bind(this);void 0!==a&&null!==a&&(a.constructor==String?c(a,b):_.each(a,function(a,b){c(b,a)}),this.emit("change",d))}};MicroEvent.mixin(MathBox.Attributes);MathBox.Attributes.mixin=function(a){_.each(["get","set","on","emit"],function(b){a.prototype[b]=MathBox.Attributes.prototype[b]})};MathBox.Animator=function(){this.active=[]};MathBox.Animator.now=1;
 MathBox.Animator.prototype={finalState:function(a){var b=_.extend({},a.get());a.__queue&&_.each(a.__queue,function(a,d){_.each(a,function(a){a.to&&(b[d]=a.to)})});return b},attach:function(a){if(!a.__queue){if(!a.__attributes)throw"Cannot attach to object without attributes";var b=this,c=a.set;a.set=function(a,e,f){if(!f){f=a;if(void 0===a||null===a)return;a.constructor==String&&(f={},f[a]=e);b.stop(this,f)}c.call(this,a,e)};a.__queue={};a.__animations=0}},hurry:function(a,b,c){c=c||4;_.each(b||a.__queue,
@@ -1272,7 +1274,9 @@ l[12][1],l[13][1],l[14][1],l[15][1]);this.matrixZ.set(l[0][2],l[1][2],l[2][2],l[
 q)/(g[0]-1),v=(c[1][1]-s)/(g[1]-1),u=0;_.loop(g[1],function(b){q=c[0][0];_.loop(g[0],function(b){a[u].set(q,s,0);q+=t;u++}.bind(this));s+=v}.bind(this));k={uniforms:k,shaders:{position:function(a,b){f?(a.snippet("bezierSurface"+e),a.group(),a.snippet("mathTransform"),b.viewport(a),a.next(),a.snippet("mathTransform"),b.viewport(a),a.next(),a.snippet("mathTransform"),b.viewport(a),a.combine()):(a.snippet("bezierSurface"+e).snippet("mathTransform"),b.viewport(a))}}};this.mesh.set(k);this.line.set(k);
 this.points.set(k)}});MathBox.Primitive.types.bezierSurface=MathBox.BezierSurface;MathBox.Platonic=function(a){null!==a&&MathBox.Primitive.call(this,a)};
 MathBox.Platonic.prototype=_.extend(new MathBox.Primitive(null),{defaults:function(){return{n:1,type:"cube",points:!1,line:!1,mesh:!0,doubleSided:!0,flipSided:!1,shaded:!0,style:{}}},type:function(){return"platonic"},renderables:function(){return[this.mesh,this.line,this.points]},adjust:function(a){a=this.get();this.mesh.show(a.mesh);this.line.show(a.line);this.points.show(a.points)},make:function(){var a=this.get(),b=this.style,c;switch(a.type){case "cube":c=new THREE.CubeGeometry(2,2,2,1,1,1)}this.mesh=
-new MathBox.Renderable.Mesh(c,{type:"mesh",doubleSided:a.doubleSided,flipSided:a.flipSided,shaded:a.shaded,smooth:!1,dynamic:a.live},b);this.line=new MathBox.Renderable.Mesh(c,{type:"mesh",shaded:a.shaded,smooth:!1,dynamic:a.live,wireframe:!0},b);this.points=new MathBox.Renderable.Mesh(c.vertices,{type:"points",dynamic:a.live},b)}});MathBox.Primitive.types.platonic=MathBox.Platonic;
+new MathBox.Renderable.Mesh(c,{type:"mesh",doubleSided:a.doubleSided,flipSided:a.flipSided,shaded:a.shaded,smooth:!1,dynamic:a.live},b);this.line=new MathBox.Renderable.Mesh(c,{type:"mesh",shaded:a.shaded,smooth:!1,dynamic:a.live,wireframe:!0},b);this.points=new MathBox.Renderable.Mesh(c.vertices,{type:"points",dynamic:a.live},b)}});MathBox.Primitive.types.platonic=MathBox.Platonic;MathBox.Label=function(a){null!==a&&MathBox.Primitive.call(this,a)};
+MathBox.Label.prototype=_.extend(new MathBox.Primitive(null),{defaults:function(){return{position:[0,0,0],facing:1,distance:15,style:{color:new THREE.Color(7368816)},text:""}},renderables:function(){return[this.labels]},type:function(){return"label"},adjust:function(a,b){var c=this.get(),d=[0,0,0];d[c.facing]=1;c=this.labelTangent;c.set.apply(c,d);this.labels.show(!0)},make:function(){var a=this.get(),b=a.position,c=a.text,d=a.distance,a=this.style,e=this.labelTangent=new THREE.Vector3,d={dynamic:!0,
+distance:d},f=new THREE.Vector3;f.set.apply(f,b);b=function(a){return c}.bind(this);this.labels=new MathBox.Renderable.Labels([f],e,b,d,a)}});MathBox.Label.validateArgs=function(a){return a};MathBox.Primitive.types.label=MathBox.Label;
 MathBox.Renderable=function(a,b){if(null!==a){this.id=++MathBox.Renderable.id;var c=this.defaults();a&&(a=_.extend(c,a||{}));this.set(a||c);this.geometry=this.material=this.object=null;this.visible=!0;this.style=b||new MathBox.Style;this.style.on("change",this.styleCallback=this.refreshStyle.bind(this));this.on("change",this.uniformsCallback=this.refreshOptions.bind(this));this.mathTransform=new THREE.Matrix4}};MathBox.Renderable.id=0;
 MathBox.Renderable.prototype={defaults:function(){return{}},make:function(a){},destroy:function(){},show:function(a){a=void 0===a?!0:!!a;a!=this.visible&&(this.visible=a,this.refresh())},isVisible:function(){return this.object&&this.object.visible},composeTransform:function(a,b,c){var d=THREE.Matrix4.__m1,e=THREE.Matrix4.__m2;d.identity();d.setRotationFromEuler(b,this.object.eulerOrder);e.makeScale(c.x,c.y,c.z);this.mathTransform.multiply(d,e);b=this.mathTransform.elements;b[12]=a.x;b[13]=a.y;b[14]=
 a.z},refreshStyle:function(a){var b=this.style.get();a=a||b;this.material&&this.material.applyUniforms(a);if(this.object){this.object.frustumCulled=!1;a.worldPosition&&(this.object.position=b.worldPosition);a.worldRotation&&(this.object.rotation=b.worldRotation);a.worldScale&&(this.object.scale=b.worldScale);if(a.mathPosition||a.mathRotation||a.mathScale)this.composeTransform(b.mathPosition,b.mathRotation,b.mathScale),this.material&&this.material.applyUniforms({mathTransform:this.mathTransform});
diff --git a/build/MathBox-core.js b/build/MathBox-core.js
index 078a85f..ed2f453 100644
--- a/build/MathBox-core.js
+++ b/build/MathBox-core.js
@@ -3641,6 +3641,74 @@ MathBox.Platonic.prototype = _.extend(new MathBox.Primitive(null), {
 });
 
 MathBox.Primitive.types.platonic = MathBox.Platonic;
+/**
+ * Text label at specified position
+ */
+MathBox.Label = function (options) {
+  // Allow inheritance constructor
+  if (options === null) return;
+
+  MathBox.Primitive.call(this, options);
+};
+
+MathBox.Label.prototype = _.extend(new MathBox.Primitive(null), {
+
+  defaults: function () {
+    return {
+      position: [0, 0, 0],
+      facing: 1,
+      distance: 15,
+      style: {
+        color: new THREE.Color(0x707070),
+      },
+      text: ""
+    };
+  },
+
+  renderables: function () {
+    return [ this.labels ];
+  },
+
+  type: function () {
+    return 'label';
+  },
+
+  adjust: function (viewport, camera) {
+    var options = this.get(),
+    // Axis vector direction for labels
+    p = [0, 0, 0];
+    p[options.facing] = 1;
+    var labelTangent = this.labelTangent;
+    labelTangent.set.apply(labelTangent, p);
+    this.labels.show(true);
+  },
+
+  make: function () {
+    var options = this.get(),
+      position = options.position,
+      text = options.text,
+      distance = options.distance,
+      style = this.style,
+      labelTangent = this.labelTangent = new THREE.Vector3();
+
+    var labelOptions = { dynamic: true, distance: distance };
+    var labelPoint  = new THREE.Vector3();
+    labelPoint.set.apply(labelPoint, position)
+    // label text callback
+    var callback = function (i) {
+      return text;
+    }.bind(this);
+    
+    this.labels = new MathBox.Renderable.Labels([labelPoint], labelTangent, callback, labelOptions, style);
+  },
+
+});
+
+MathBox.Label.validateArgs = function (options) {
+  return options;
+};
+
+MathBox.Primitive.types.label = MathBox.Label;
 MathBox.Renderable = function (options, style) {
   // Allow inheritance constructor
   if (options === null) return;
diff --git a/build/MathBox-core.min.js b/build/MathBox-core.min.js
index 6d0a700..e4f8761 100644
--- a/build/MathBox-core.min.js
+++ b/build/MathBox-core.min.js
@@ -1,27 +1,26 @@
-var \u03c0=Math.PI,\u03c4=2*\u03c0;(function(a){for(var b in a)if(!window[b])throw"Error: MathBox requires "+a[b];})({THREE:"Three.js",tQuery:"tQuery.js (bundle)",ThreeBox:"ThreeBox.js",ThreeRTT:"ThreeRTT.js"});window.MathBox={};window.mathBox=function(a,b){!a||a instanceof Node||(b=a,a=null);return tQuery.createWorld(b).mathBox(a,b)};MathBox.getShader=function(a){var b=document.getElementById(a);return b&&(b.innerText||b.textContent)||a};Math.sign=function(a){return 0<a?1:0>a?-1:0};
-MathBox.Attributes=function(){};
-MathBox.Attributes.prototype={get:function(a){return void 0===a?this.__attributes||{}:this.__attributes?this.__attributes[a]:void 0},set:function(a,b){function c(a,b){try{b=k(a,b),d[a]=b,g[a]=b}catch(c){throw"Exception setting '"+a+"' to '"+b+"': "+c;}}this.__attributes||(this.__attributes={});this.__validators||(this.__validators={});var d={},e=this.__validators,g=this.__attributes,h=this,k=function(a,b){if(void 0===e[a]){var c="validate"+a.charAt(0).toUpperCase()+a.slice(1);e[a]=h[c]||!1}return e[a]?
+var \u03c0=Math.PI,\u03c4=2*\u03c0;(function(a){for(var b in a)if(!window[b])throw"Error: MathBox requires "+a[b];})({THREE:"Three.js",tQuery:"tQuery.js (bundle)",ThreeBox:"ThreeBox.js",ThreeRTT:"ThreeRTT.js"});window.MathBox={};window.mathBox=function(a,b){!a||a instanceof Node||(b=a,a=null);return tQuery.createWorld(b).mathBox(a,b)};MathBox.getShader=function(a){var b=document.getElementById(a);return b&&b.textContent||a};Math.sign=function(a){return 0<a?1:0>a?-1:0};MathBox.Attributes=function(){};
+MathBox.Attributes.prototype={get:function(a){return void 0===a?this.__attributes||{}:this.__attributes?this.__attributes[a]:void 0},set:function(a,b){function c(a,b){try{b=k(a,b),d[a]=b,f[a]=b}catch(c){throw"Exception setting '"+a+"' to '"+b+"': "+c;}}this.__attributes||(this.__attributes={});this.__validators||(this.__validators={});var d={},e=this.__validators,f=this.__attributes,h=this,k=function(a,b){if(void 0===e[a]){var c="validate"+a.charAt(0).toUpperCase()+a.slice(1);e[a]=h[c]||!1}return e[a]?
 e[a].call(this,b):b}.bind(this);void 0!==a&&null!==a&&(a.constructor==String?c(a,b):_.each(a,function(a,b){c(b,a)}),this.emit("change",d))}};MicroEvent.mixin(MathBox.Attributes);MathBox.Attributes.mixin=function(a){_.each(["get","set","on","emit"],function(b){a.prototype[b]=MathBox.Attributes.prototype[b]})};MathBox.Animator=function(){this.active=[]};MathBox.Animator.now=1;
-MathBox.Animator.prototype={finalState:function(a){var b=_.extend({},a.get());a.__queue&&_.each(a.__queue,function(a,d){_.each(a,function(a){a.to&&(b[d]=a.to)})});return b},attach:function(a){if(!a.__queue){if(!a.__attributes)throw"Cannot attach to object without attributes";var b=this,c=a.set;a.set=function(a,e,g){if(!g){g=a;if(void 0===a||null===a)return;a.constructor==String&&(g={},g[a]=e);b.stop(this,g)}c.call(this,a,e)};a.__queue={};a.__animations=0}},hurry:function(a,b,c){c=c||4;_.each(b||a.__queue,
-function(b,e){_.each(a.__queue[e],function(a){a.hurry(c)})}.bind(this))},stop:function(a,b){_.each(b||a.__queue,function(b,d){for(;a.__queue[d];)this.dequeue(a,d,!0)}.bind(this))},animate:function(a,b,c){c=_.extend({duration:300},c||{});this.attach(a);_.each(b,function(b,e){var g=a.__queue[e]=a.__queue[e]||[];if(c.delay){var h=new MathBox.Animator.Delay(a,e,c.delay);g.push(h);0==a.__animations++&&this.active.push(a)}a.__validators[e]&&(b=a.__validators[e].call(a,b));h=new MathBox.Animator.Animation(a,
-e,b,c.duration,c.callback,c.ease);g.push(h);c.hold&&(h=new MathBox.Animator.Delay(a,e,c.hold),g.push(h),0==a.__animations++&&this.active.push(a));0==a.__animations++&&this.active.push(a)}.bind(this))},dequeue:function(a,b,c){var d=a.__queue[b];if(d){var e=d.shift();0==d.length&&delete a.__queue[b];c&&e.skip();0==--a.__animations&&this.active.splice(this.active.indexOf(a),1)}},update:function(a){MathBox.Animator.now+=a;a=this.active.slice();_.each(a,function(a){var c=0;_.each(a.__queue,function e(g,
-h){var k=g[0];value=k.apply(c||0);k.done()&&(c=k.extra(),this.dequeue(a,h),g[0]&&e.call(this,g,h))}.bind(this))}.bind(this))}};MathBox.Animator.Delay=function(a,b,c){this.object=a;this.key=b;this.duration=c;this.fraction=this.start=0};
+MathBox.Animator.prototype={finalState:function(a){var b=_.extend({},a.get());a.__queue&&_.each(a.__queue,function(a,d){_.each(a,function(a){a.to&&(b[d]=a.to)})});return b},attach:function(a){if(!a.__queue){if(!a.__attributes)throw"Cannot attach to object without attributes";var b=this,c=a.set;a.set=function(a,e,f){if(!f){f=a;if(void 0===a||null===a)return;a.constructor==String&&(f={},f[a]=e);b.stop(this,f)}c.call(this,a,e)};a.__queue={};a.__animations=0}},hurry:function(a,b,c){c=c||4;_.each(b||a.__queue,
+function(b,e){_.each(a.__queue[e],function(a){a.hurry(c)})}.bind(this))},stop:function(a,b){_.each(b||a.__queue,function(b,d){for(;a.__queue[d];)this.dequeue(a,d,!0)}.bind(this))},animate:function(a,b,c){c=_.extend({duration:300},c||{});this.attach(a);_.each(b,function(b,e){var f=a.__queue[e]=a.__queue[e]||[];if(c.delay){var h=new MathBox.Animator.Delay(a,e,c.delay);f.push(h);0==a.__animations++&&this.active.push(a)}a.__validators[e]&&(b=a.__validators[e].call(a,b));h=new MathBox.Animator.Animation(a,
+e,b,c.duration,c.callback,c.ease);f.push(h);c.hold&&(h=new MathBox.Animator.Delay(a,e,c.hold),f.push(h),0==a.__animations++&&this.active.push(a));0==a.__animations++&&this.active.push(a)}.bind(this))},dequeue:function(a,b,c){var d=a.__queue[b];if(d){var e=d.shift();0==d.length&&delete a.__queue[b];c&&e.skip();0==--a.__animations&&this.active.splice(this.active.indexOf(a),1)}},update:function(a){MathBox.Animator.now+=a;a=this.active.slice();_.each(a,function(a){var c=0;_.each(a.__queue,function e(f,
+h){var k=f[0];value=k.apply(c||0);k.done()&&(c=k.extra(),this.dequeue(a,h),f[0]&&e.call(this,f,h))}.bind(this))}.bind(this))}};MathBox.Animator.Delay=function(a,b,c){this.object=a;this.key=b;this.duration=c;this.fraction=this.start=0};
 MathBox.Animator.Delay.prototype={init:function(a){this.start=MathBox.Animator.now-(a||0)},apply:function(a){this.start||this.init(a);this.fraction=0<this.duration?Math.min(1,(MathBox.Animator.now-this.start)/this.duration):1},skip:function(){this.duration=0},hurry:function(a){this.duration=this.duration*this.fraction+this.duration*(1-this.fraction)/a},extra:function(){return MathBox.Animator.now-this.start-this.duration},done:function(){return 1==this.fraction}};
-MathBox.Animator.Animation=function(a,b,c,d,e,g){this.object=a;this.key=b;this.from=null;this.to=c;this.duration=d;this.fraction=this.start=0;this.callback=e;this.ease=g};
-MathBox.Animator.Animation.prototype={init:function(a){this.start=MathBox.Animator.now-(a||0);null===this.from&&(this.from=this.object.get(this.key));void 0===this.from&&(this.from=0)},apply:function(a){function b(a,b){return a+(b-a)*f}function c(a,e){void 0===e&&(e=a);void 0===a&&(a=e);if(e===a)return a;if(typeof a!=typeof e)throw console.log(d,g),"Data type mismatch between from/to values in animator. "+g+": "+a+" ("+a.constructor+"), "+e+"("+e.constructor+")";var f;switch(typeof e){default:case "string":throw"Unimplemented value type in animator. ("+
-typeof e+")";case "function":return function(){return c(a.apply(this,arguments),e.apply(this,arguments))};case "boolean":return 0.5<k?e:a;case "number":return b(a,e);case "object":if(!a)return e;if(!e)return a;if(e.constructor==Array)return f=[],_.loop(a.length,function(b){f[b]=c(a[b],e[b])}),f;if(e.constructor==THREE.Matrix4){f=new THREE.Matrix4;for(var h=0;16>h;++h)f.elements[h]=b(a.elements[h],e.elements[h]);return f}return e.constructor==THREE.Vector3?(f=new THREE.Vector3,f.x=b(a.x,e.x),f.y=b(a.y,
-e.y),f.z=b(a.z,e.z),f):e.constructor==THREE.Color?(f=new THREE.Color,f.r=b(a.r,e.r),f.g=b(a.g,e.g),f.b=b(a.b,e.b),f):0.5<k?e:a}}this.start||this.init(a);var d=this.object;a=this.from;var e=this.to,g=this.key,h=this.ease,k;this.fraction=k=0<this.duration?Math.min(1,(MathBox.Animator.now-this.start)/(this.duration||1)):1;var f;switch(h){case "in":f=1-(1-k)*(1-k);break;case "out":f=k*k;break;case "linear":f=k;break;default:f=0.5-0.5*Math.cos(k*\u03c0)}a=c(a,e);this.object.set(this.key,a,!0)},hurry:function(a){this.duration=
+MathBox.Animator.Animation=function(a,b,c,d,e,f){this.object=a;this.key=b;this.from=null;this.to=c;this.duration=d;this.fraction=this.start=0;this.callback=e;this.ease=f};
+MathBox.Animator.Animation.prototype={init:function(a){this.start=MathBox.Animator.now-(a||0);null===this.from&&(this.from=this.object.get(this.key));void 0===this.from&&(this.from=0)},apply:function(a){function b(a,b){return a+(b-a)*g}function c(a,e){void 0===e&&(e=a);void 0===a&&(a=e);if(e===a)return a;if(typeof a!=typeof e)throw console.log(d,f),"Data type mismatch between from/to values in animator. "+f+": "+a+" ("+a.constructor+"), "+e+"("+e.constructor+")";var g;switch(typeof e){default:case "string":throw"Unimplemented value type in animator. ("+
+typeof e+")";case "function":return function(){return c(a.apply(this,arguments),e.apply(this,arguments))};case "boolean":return 0.5<k?e:a;case "number":return b(a,e);case "object":if(!a)return e;if(!e)return a;if(e.constructor==Array)return g=[],_.loop(a.length,function(b){g[b]=c(a[b],e[b])}),g;if(e.constructor==THREE.Matrix4){g=new THREE.Matrix4;for(var h=0;16>h;++h)g.elements[h]=b(a.elements[h],e.elements[h]);return g}return e.constructor==THREE.Vector3?(g=new THREE.Vector3,g.x=b(a.x,e.x),g.y=b(a.y,
+e.y),g.z=b(a.z,e.z),g):e.constructor==THREE.Color?(g=new THREE.Color,g.r=b(a.r,e.r),g.g=b(a.g,e.g),g.b=b(a.b,e.b),g):0.5<k?e:a}}this.start||this.init(a);var d=this.object;a=this.from;var e=this.to,f=this.key,h=this.ease,k;this.fraction=k=0<this.duration?Math.min(1,(MathBox.Animator.now-this.start)/(this.duration||1)):1;var g;switch(h){case "in":g=1-(1-k)*(1-k);break;case "out":g=k*k;break;case "linear":g=k;break;default:g=0.5-0.5*Math.cos(k*\u03c0)}a=c(a,e);this.object.set(this.key,a,!0)},hurry:function(a){this.duration=
 this.duration*this.fraction+this.duration*(1-this.fraction)/a},skip:function(){this.duration=0;this.fraction=1;this.done()},extra:function(){return MathBox.Animator.now-this.start-this.duration},done:function(){return 1==this.fraction?(this.object.set(this.key,this.to,!0),this.callback&&this.callback(),this.callback=null,!0):!1}};
 MathBox.Stage=function(a,b,c){this.options=a=a||{};this._world=b;this.overlay=c;b&&b.on("resize",function(a,b){this.overlay.size(a,b);this.width=a;this.height=b}.bind(this));this.primitives=[];this.materials=new MathBox.Materials(this);this.animator=new MathBox.Animator;this._transition=0;this._speed=1;b&&(this.cameraProxy=new MathBox.CameraProxy(b,this.options));this.viewport({});this.loadPrimitives();void 0!==a.transition&&this.transition(a.transition);void 0!==a.speed&&this.speed(a.speed)};
 MathBox.Stage.prototype=new THREE.Object3D;MathBox.Attributes.mixin(MathBox.Stage);MicroEvent.mixin(MathBox.Stage);
-MathBox.Stage.prototype=_.extend(MathBox.Stage.prototype,{update:function(){var a=this._viewport,b=this._world.tCamera(),c=this.width,d=this.height,e=this._speed;this.cameraProxy.update();var g=+new Date;this.last||(this.last=g-1E3/60);this.animator.update(e*(g-this.last));this.last=g;a.update(this);_.each(this.primitives,function(e){e.adjust(a,b,c,d,this);e=e.renderables();_.each(e,function(e){e.isVisible()&&e.adjust(a,b,c,d,this)}.bind(this))}.bind(this));this.overlay&&this.overlay.update(b)},add:function(a,
+MathBox.Stage.prototype=_.extend(MathBox.Stage.prototype,{update:function(){var a=this._viewport,b=this._world.tCamera(),c=this.width,d=this.height,e=this._speed;this.cameraProxy.update();var f=+new Date;this.last||(this.last=f-1E3/60);this.animator.update(e*(f-this.last));this.last=f;a.update(this);_.each(this.primitives,function(e){e.adjust(a,b,c,d,this);e=e.renderables();_.each(e,function(e){e.isVisible()&&e.adjust(a,b,c,d,this)}.bind(this))}.bind(this));this.overlay&&this.overlay.update(b)},add:function(a,
 b){if(a instanceof THREE.Object3D)return a instanceof MathBox.Sprite?this.overlay.add(a):THREE.Object3D.prototype.add.call(this,a);this._add(a);b=this.animateOptions(b);var c=a.style.get("opacity");b&&0<c&&(a.style.set("opacity",0),this.animator.animate(a.style,{opacity:c},b));return this},remove:function(a,b){if(a instanceof THREE.Object3D)return a instanceof MathBox.Sprite?this.overlay.remove(a):THREE.Object3D.prototype.remove.call(this,a);if("string"==typeof a)return _.each(this.select(a),function(a){this.remove(a,
 b)}.bind(this));if(!a.singleton){var c=function(){this._remove(a)}.bind(this);b=this.animateOptions(b);var d=a.style.get("opacity");b&&0<d?(b.callback=c,this.animator.animate(a.style,{opacity:0},b),a.removed=!0):c();return this}},_add:function(a){var b=this.materials;-1==this.primitives.indexOf(a)&&(this.primitives.push(a),a.make(),a=a.renderables(),_.each(a,function(a){a.make(b);a.object&&this.add(a.object)}.bind(this)))},_remove:function(a){if(-1!=this.primitives.indexOf(a)){this.primitives.splice(this.primitives.indexOf(a),
 1);var b=a.renderables();_.each(b,function(a){a.object&&this.remove(a.object);a.destroy()}.bind(this));a.destroy()}},select:function(a,b){var c=[];if("object"==typeof a)return a.constructor==Array?a:[a];var d=function(a){var c=[];if("*"==a)return c=this.primitives.slice(),c.push(this.viewport()),c.push(this.cameraProxy),c;if(a==+a)return _.each(this.primitives,function(d){!b&&d.removed||d.get("sequence")!=a||c.push(d)}),c;var d=a.match(/^\s*#([a-zA-Z0-9_-]+)|([a-zA-Z0-9_-]+)?\s*$/);if(!d)return[];
-var k=d[2],f=d[1];if(f)_.each(this.primitives,function(a){!b&&a.removed||a.get("id")!=f||c.push(a)});else{if("camera"==k)return this.cameraProxy&&[this.cameraProxy]||[];if("viewport"==k)return[this.viewport()];k&&_.each(this.primitives,function(a){!b&&a.removed||a.type()!=k||c.push(a)})}return c}.bind(this),c=[];a=(""+a).split(",");_.each(a,function(a){c=c.concat(d(a))});return c},set:function(a,b){b=this.extractStyle(b);_.each(this.select(a),function(a){a.set(b);b.style&&a.style.set(b.style)});return this},
+var k=d[2],g=d[1];if(g)_.each(this.primitives,function(a){!b&&a.removed||a.get("id")!=g||c.push(a)});else{if("camera"==k)return this.cameraProxy&&[this.cameraProxy]||[];if("viewport"==k)return[this.viewport()];k&&_.each(this.primitives,function(a){!b&&a.removed||a.type()!=k||c.push(a)})}return c}.bind(this),c=[];a=(""+a).split(",");_.each(a,function(a){c=c.concat(d(a))});return c},set:function(a,b){b=this.extractStyle(b);_.each(this.select(a),function(a){a.set(b);b.style&&a.style.set(b.style)});return this},
 get:function(a){var b=this.animator;a=this.select(a);if(1>a.length)return{};var c=a[0];a=b.finalState(c);c.style&&(b=b.finalState(c.style),a.style=b);return a},transition:function(a){return void 0!==a?(this._transition=a,this):this._transition},speed:function(a){return void 0!==a?(this._speed=a,this):this._speed},animateOptions:function(a,b){var c=this._transition;!0===a&&(a={});if(c||b||a&&(a.delay||a.duration||a.hold))a=_.extend({delay:0,duration:c||0,hold:0},a||{});if(a&&(a.delay||a.duration||
-a.hold))return a},animate:function(a,b,c){var d=this.animator;b=this.extractStyle(b);c=this.animateOptions(c,!0);b.style&&(_.each(this.select(a),function(a){c?d.animate(a.style,b.style,c):a.style.set(b.style)}),b=_.extend({},b),delete b.style);_.each(this.select(a),function(a){c?d.animate(a,b,c):a.set(b)});return this},clone:function(a,b,c){_.each(this.select(a),function(a){var e=this.get(a);delete e.sequence;var g=_.extend({},b),h=[];_.each(b,function(a,c){if("id"==c||"boolean"==typeof a||null===
-a)e[c]=b[c],h.push(c)});_.each(h,function(a){delete g[a]});e.id==a.get("id")&&(e.id=(e.id||"")+"-clone");a=this.spawn(a.type(),e,{duration:0});this.animate(a,g,c)}.bind(this));return this},hurry:function(a,b,c){var d=this.animator;_.each(this.select(a,!0),function(a){d.hurry(a,b,c);a.style&&d.hurry(a.style,b,c)});return this},halt:function(a,b){var c=this.animator;_.each(this.select(a,!0),function(a){c.stop(a,b);a.style&&c.stop(a.style,b)});return this},viewport:function(a){if(void 0!==a){if(!this._viewport||
+a.hold))return a},animate:function(a,b,c){var d=this.animator;b=this.extractStyle(b);c=this.animateOptions(c,!0);b.style&&(_.each(this.select(a),function(a){c?d.animate(a.style,b.style,c):a.style.set(b.style)}),b=_.extend({},b),delete b.style);_.each(this.select(a),function(a){c?d.animate(a,b,c):a.set(b)});return this},clone:function(a,b,c){_.each(this.select(a),function(a){var e=this.get(a);delete e.sequence;var f=_.extend({},b),h=[];_.each(b,function(a,c){if("id"==c||"boolean"==typeof a||null===
+a)e[c]=b[c],h.push(c)});_.each(h,function(a){delete f[a]});e.id==a.get("id")&&(e.id=(e.id||"")+"-clone");a=this.spawn(a.type(),e,{duration:0});this.animate(a,f,c)}.bind(this));return this},hurry:function(a,b,c){var d=this.animator;_.each(this.select(a,!0),function(a){d.hurry(a,b,c);a.style&&d.hurry(a.style,b,c)});return this},halt:function(a,b){var c=this.animator;_.each(this.select(a,!0),function(a){c.stop(a,b);a.style&&c.stop(a.style,b)});return this},viewport:function(a){if(void 0!==a){if(!this._viewport||
 a.type&&a.type!=this.options.viewport.type){this._viewport&&(a=_.extend({},this._viewport.get(),a));this._viewport=MathBox.Viewport.make(a);a=this.primitives.slice();var b=this;_.each(a,function(a){b._remove(a);b._add(a)})}else this._viewport.set(a);this.options.viewport=this._viewport.get();return this}return this._viewport},camera:function(a){_.each(this.select("camera"),function(b){b.set(a)});return this},start:function(){this._world&&this._world.start();return this},stop:function(){this._world&&
 this._world.stop();return this},world:function(){return this._world},extractStyle:function(a){var b=MathBox.Style.prototype.defaults(),c=null;_.each(a,function(d,e){void 0!==b[e]&&(delete a[e],c=c||{},c[e]=d)});c&&(a.style=_.extend(a.style||{},c));return a},spawn:function(a,b,c){return MathBox.Primitive.types[a]?(this[a](b,c),this.primitives[this.primitives.length-1]):this},loadPrimitives:function(){_.each(MathBox.Primitive.types,function(a,b){this[b]=function(b,d){a.validateArgs&&(b=a.validateArgs(b));
 var e=new a(this.extractStyle(b));this.add(e,d);return this}}.bind(this))}});MathBox.Materials=function(a){this.stage=a;this.cache={}};
@@ -29,18 +28,18 @@ MathBox.Materials.prototype={hash:function(a){var b=Object.keys(a),c="";b.sort()
 _.each(a.attributes,function(a,d){b.attributes[d]={type:a.type,value:a.value}});return b},generic:function(a){a=a||{};if(!a.shaders||!Object.keys(a.shaders).length){var b=this.hash(a);if(this.cache[b])return this.clone(this.cache[b])}var c=this.factory(),d=a.shaders||{};d.position?d.position(c,this):(this.position(c,a),a.absolute||(a.shaded&&a.smooth?(c.group(),this.viewport(c),c.next(),this.viewport(c),c.next(),this.viewport(c),c.combine()):this.viewport(c)));a=this.finalize(c,a);b&&(this.cache[b]=
 a);return a},position:function(a,b){b=b||{};a.snippet(b.shaded&&b.smooth?"getPositionDUDV":"getPosition");b.absolute||(b.shaded&&b.smooth?a.group().snippet("mathTransform").next().snippet("mathTransform").next().snippet("mathTransform").combine():a.snippet("mathTransform"));return a},factory:function(){return new ShaderGraph.Factory},finalize:function(a,b){b=b||{};var c=b.shaders||{};b.shaded?b.smooth?a.snippet("projectToViewDUDV"):a.snippet("projectToViewNormal"):a.snippet("projectToView");c.material?
 c.material(a,this):a.material("vertexOutput",{points:"fragmentSolidPoint",mesh:b.shaded?"fragmentShaded":"fragmentSolid"}[b.type]||"fragmentSolid");c=a.end().compile();c=new THREE.ShaderMaterial({uniforms:c.uniforms,attributes:c.attributes,vertexShader:c.vertexShader,fragmentShader:c.fragmentShader});b.wireframe&&(c.wireframe=!0);var d=this.apply.bind(this);c.applyUniforms=function(a){d(this,a,"uniforms")};c.applyAttributes=function(a){d(this,a,"attributes")};return c},apply:function(a,b,c){var d=
-a[c];_.each(b,function(a,b){var c=d[b];c&&(a instanceof THREE.Color&&(a.x=a.r,a.y=a.g,a.z=a.b),c.value=a,c.needsUpdate=!0)});if("uniforms"==c){c=a.uniforms;if(b.map&&(c.texture&&(c.texture.value=b.map),c.offsetRepeat)){var e=b.map.offset,g=b.map.repeat;c.offsetRepeat.value.set(e.x,e.y,g.x,g.y)}void 0!==b.lineWidth&&(a.wireframeLinewidth=a.linewidth=b.lineWidth);void 0!==b.opacity&&(a.transparent=1>b.opacity)}},viewport:function(a,b){this.stage.viewport().shader(a,b)}};
-MathBox.Ticks=function(a,b,c,d,e,g,h){var k=(b-a)/(c||10);d=d||1;e=e||10;var f=d*((h||0)+Math.pow(e,Math.floor(Math.log(k/d)/Math.log(e))));c=_.map(0==e%2?[e/2,1,0.5]:[1],function(a){return f*a});var l=_.reduce(c,function(a,b){return Math.abs(b-k)<Math.abs(a-k)?b:a},f);g=+!g;a=(Math.ceil(a/l)+g)*l;b=(Math.floor(b/l)-g)*l;c=Math.ceil((b-a)/l)+1;var m=[];_.loop(c,function(b){m.push(a+b*l)});return m};MathBox.TicksLog=function(a,b,c,d,e,g){};
+a[c];_.each(b,function(a,b){var c=d[b];c&&(a instanceof THREE.Color&&(a.x=a.r,a.y=a.g,a.z=a.b),c.value=a,c.needsUpdate=!0)});if("uniforms"==c){c=a.uniforms;if(b.map&&(c.texture&&(c.texture.value=b.map),c.offsetRepeat)){var e=b.map.offset,f=b.map.repeat;c.offsetRepeat.value.set(e.x,e.y,f.x,f.y)}void 0!==b.lineWidth&&(a.wireframeLinewidth=a.linewidth=b.lineWidth);void 0!==b.opacity&&(a.transparent=1>b.opacity)}},viewport:function(a,b){this.stage.viewport().shader(a,b)}};
+MathBox.Ticks=function(a,b,c,d,e,f,h){var k=(b-a)/(c||10);d=d||1;e=e||10;var g=d*((h||0)+Math.pow(e,Math.floor(Math.log(k/d)/Math.log(e))));c=_.map(0==e%2?[e/2,1,0.5]:[1],function(a){return g*a});var l=_.reduce(c,function(a,b){return Math.abs(b-k)<Math.abs(a-k)?b:a},g);f=+!f;a=(Math.ceil(a/l)+f)*l;b=(Math.floor(b/l)-f)*l;c=Math.ceil((b-a)/l)+1;var m=[];_.loop(c,function(b){m.push(a+b*l)});return m};MathBox.TicksLog=function(a,b,c,d,e,f){};
 tQuery.World.registerInstance("mathBox",function(a,b){a=a||document.body;this.threeBox(a,b);var c=new MathBox.Overlay;a.appendChild(c.domElement);c.domElement.style.position="absolute";c.domElement.style.left=0;c.domElement.style.top=0;c.domElement.style.right=0;c.domElement.style.bottom=0;var d=new MathBox.Stage(b,this,c),e=function(){d.update()};this.tScene().add(d);this._renderer.setClearColorHex(16777215,1);d.unhook=function(){this.loop().unhookPreRender(e)};this.loop().hookPreRender(e);b.cameraControls||
 (c=this.tCamera(),c.position.x=0,c.position.y=0,c.position.z=b.orbit,c.lookAt(new THREE.Vector3(0,0,0)));return d});MathBox.Director=function(a,b){this._stage=a;this.script=b||[];this.rollback={};this.clocks={};this.time=this.lastCommand=this.step=0;this.lastTime=+new Date};
-MathBox.Director.prototype={clock:function(a,b){if(a>this.step)return 0;var c=+new Date;this.time+=(c-this.lastTime)*this.stage().speed();this.lastTime=c;if(b||!this.clocks[a])this.clocks[a]=this.time;return 0.001*(this.time-this.clocks[a])},invert:function(a){var b=this._stage,c=[],d,e=a[0],g=a[1],h=a[2]||{},k=a[3];"remove"==e&&(k=h);k={delay:k&&void 0!==k.hold?k.hold/4:0,duration:k&&void 0!==k.duration?k.duration/4:0,hold:k&&void 0!==k.delay?k.delay/4:0};switch(e){case "add":d=[0];case "clone":d=
-d||b.select(g);_.each(d,function(a,b){c.push(["remove",h.sequence||MathBox.Primitive.sequence+1+b,k])});break;case "remove":d=b.select(g);_.each(d,function(a){c.push(["add",a.type(),b.get(a),k])});break;case "animate":case "set":d=b.select(g),_.each(d,function(a){var d=b.get(a),g={};for(i in h)g[i]=d.style&&void 0!==d.style[i]?d.style[i]:d[i];c.push([e,a.singleton||a.get("sequence"),g,k])})}return c},invertDelay:function(a){function b(a){var b=a[2]||{},c=["opacity"];if("animate"==a[0])for(d in c=
-[],b)if("style"==d)for(j in b.style)c.push(j);else c.push(d);return c}var c=[],d,e={};a.forEach(function(a){var c=a[0],d=a[1]||"",g=a[2]||{},h=a[3]||{};if("set"==c)return null;"add"==c&&(d=g.sequence);"remove"==c&&(h=g);b(a).forEach(function(a){a=[d,a].join(".");e[a]||(e[a]=[]);h=h||{};e[a].push((h.delay||0)+(h.duration||0)+(h.hold||0))})});var g=0;for(d in e)var h=e[d]=e[d].reduce(function(a,b){return a+b}),g=Math.max(g,h);a.forEach(function(a){var d=a[0],h=a[1]||"",m=a[2]||{},n=a[3]||{},t;if("set"==
-d)return c.push(a);"add"==d&&(t=h,h=m.sequence);"remove"==d&&(n=m);b(a).forEach(function(a){var b=[h,a].join("."),k=n.delay||0,u=n.duration||0,v=n.hold||0;void 0!==e[b]&&(k+=g-e[b],delete e[b]);n={delay:k,duration:u,hold:v};"add"==d&&c.push([d,t,m,n]);"remove"==d?c.push([d,h,n]):(b={},b[a]=m.style&&void 0!==m.style[a]?m.style[a]:m[a],c.push([d,h,b,n]))})});return c},apply:function(a,b,c,d){var e=this._stage;_.each(a,function(a){var h=a[0]||"",k=a[1]||"",f=a[2]||{},l=a[3]||{};"remove"==h&&(l=f);b&&
-(a=this.invert(a),a=[0,0].concat(a),Array.prototype.splice.apply(b,a));d&&l&&(l=_.extend({},l),l.delay/=2,l.duration/=2,l.hold/=2);c&&(l={delay:0,duration:0,hold:0},"animate"==h&&(h="set"));switch(h){case "clone":e.clone(k,f,l);break;case "add":e.spawn(k,f,l);break;case "remove":_.each(e.select(k),function(a){e.remove(a,l)});break;case "set":var h=e.select(k),m=f.constructor==Array;_.each(h,function(a,b){e.set(a,m?f[b]:f)});break;case "animate":h=e.select(k),m=f.constructor==Array,_.each(h,function(a,
-b){e.animate(a,m?f[b]:f,l)})}}.bind(this));return this},insert:function(a){a[0].constructor!=Array&&(a=[a]);this.script.splice(this.step,0,a);this.forward();return this},is:function(a){if(!this.script.length)return!1;for(;0>a;)a+=this.script.length+1;for(;a>=this.script.length+1;)a-=this.script.length+1;return a==this.step},isFirst:function(){return this.is(0)},isLast:function(){return this.is(-1)},go:function(a,b){if(this.script.length){for(;0>a;)a+=this.script.length+1;for(;a>=this.script.length+
-1;)a-=this.script.length+1;for(;a>this.step;)this.forward(b);for(;a<this.step;)this.back(b)}},skipping:function(){var a=+new Date,b=!1;500>a-this.lastCommand&&(b=!0);this.stage().hurry("*");this.lastCommand=a;return b},forward:function(a,b){if(!(this.step>=this.script.length)){var c=this.step,d=this.script[c],e=this.rollback[c]=[];this.step++;var g=function(){this.apply(d,e,a,a?!1:this.skipping());this.rollback[c]=this.invertDelay(e);this.clock(c+1,!0);this.emit("go",c+1,1)}.bind(this);b?setTimeout(g,
-+b):g();return this}},back:function(a,b){if(!(0>=this.step)){this.step--;var c=this.step,d=this.rollback[c],e=function(){this.apply(d,null,a||this.skipping());delete this.rollback[c];this.emit("go",c,-1)}.bind(this);b?setTimeout(e,+b):e();return this}},stage:function(){return this._stage}};_.each(MathBox.Stage.prototype,function(a,b){MathBox.Director.prototype[b]||(MathBox.Director.prototype[b]=function(){var b=this.stage[a].apply(this.stage,arguments);return b===this.stage?this:b})});MicroEvent.mixin(MathBox.Director);
+MathBox.Director.prototype={clock:function(a,b){if(a>this.step)return 0;var c=+new Date;this.time+=(c-this.lastTime)*this.stage().speed();this.lastTime=c;if(b||!this.clocks[a])this.clocks[a]=this.time;return 0.001*(this.time-this.clocks[a])},invert:function(a){var b=this._stage,c=[],d,e=a[0],f=a[1],h=a[2]||{},k=a[3];"remove"==e&&(k=h);k={delay:k&&void 0!==k.hold?k.hold/4:0,duration:k&&void 0!==k.duration?k.duration/4:0,hold:k&&void 0!==k.delay?k.delay/4:0};switch(e){case "add":d=[0];case "clone":d=
+d||b.select(f);_.each(d,function(a,b){c.push(["remove",h.sequence||MathBox.Primitive.sequence+1+b,k])});break;case "remove":d=b.select(f);_.each(d,function(a){c.push(["add",a.type(),b.get(a),k])});break;case "animate":case "set":d=b.select(f),_.each(d,function(a){var d=b.get(a),f={};for(i in h)f[i]=d.style&&void 0!==d.style[i]?d.style[i]:d[i];c.push([e,a.singleton||a.get("sequence"),f,k])})}return c},invertDelay:function(a){function b(a){var b=a[2]||{},c=["opacity"];if("animate"==a[0])for(d in c=
+[],b)if("style"==d)for(j in b.style)c.push(j);else c.push(d);return c}var c=[],d,e={};a.forEach(function(a){var c=a[0],d=a[1]||"",f=a[2]||{},h=a[3]||{};if("set"==c)return null;"add"==c&&(d=f.sequence);"remove"==c&&(h=f);b(a).forEach(function(a){a=[d,a].join(".");e[a]||(e[a]=[]);h=h||{};e[a].push((h.delay||0)+(h.duration||0)+(h.hold||0))})});var f=0;for(d in e)var h=e[d]=e[d].reduce(function(a,b){return a+b}),f=Math.max(f,h);a.forEach(function(a){var d=a[0],h=a[1]||"",m=a[2]||{},n=a[3]||{},t;if("set"==
+d)return c.push(a);"add"==d&&(t=h,h=m.sequence);"remove"==d&&(n=m);b(a).forEach(function(a){var b=[h,a].join("."),k=n.delay||0,u=n.duration||0,v=n.hold||0;void 0!==e[b]&&(k+=f-e[b],delete e[b]);n={delay:k,duration:u,hold:v};"add"==d&&c.push([d,t,m,n]);"remove"==d?c.push([d,h,n]):(b={},b[a]=m.style&&void 0!==m.style[a]?m.style[a]:m[a],c.push([d,h,b,n]))})});return c},apply:function(a,b,c,d){var e=this._stage;_.each(a,function(a){var h=a[0]||"",k=a[1]||"",g=a[2]||{},l=a[3]||{};"remove"==h&&(l=g);b&&
+(a=this.invert(a),a=[0,0].concat(a),Array.prototype.splice.apply(b,a));d&&l&&(l=_.extend({},l),l.delay/=2,l.duration/=2,l.hold/=2);c&&(l={delay:0,duration:0,hold:0},"animate"==h&&(h="set"));switch(h){case "clone":e.clone(k,g,l);break;case "add":e.spawn(k,g,l);break;case "remove":_.each(e.select(k),function(a){e.remove(a,l)});break;case "set":var h=e.select(k),m=g.constructor==Array;_.each(h,function(a,b){e.set(a,m?g[b]:g)});break;case "animate":h=e.select(k),m=g.constructor==Array,_.each(h,function(a,
+b){e.animate(a,m?g[b]:g,l)})}}.bind(this));return this},insert:function(a){a[0].constructor!=Array&&(a=[a]);this.script.splice(this.step,0,a);this.forward();return this},is:function(a){if(!this.script.length)return!1;for(;0>a;)a+=this.script.length+1;for(;a>=this.script.length+1;)a-=this.script.length+1;return a==this.step},isFirst:function(){return this.is(0)},isLast:function(){return this.is(-1)},go:function(a,b){if(this.script.length){for(;0>a;)a+=this.script.length+1;for(;a>=this.script.length+
+1;)a-=this.script.length+1;for(;a>this.step;)this.forward(b);for(;a<this.step;)this.back(b)}},skipping:function(){var a=+new Date,b=!1;500>a-this.lastCommand&&(b=!0);this.stage().hurry("*");this.lastCommand=a;return b},forward:function(a,b){if(!(this.step>=this.script.length)){var c=this.step,d=this.script[c],e=this.rollback[c]=[];this.step++;var f=function(){this.apply(d,e,a,a?!1:this.skipping());this.rollback[c]=this.invertDelay(e);this.clock(c+1,!0);this.emit("go",c+1,1)}.bind(this);b?setTimeout(f,
++b):f();return this}},back:function(a,b){if(!(0>=this.step)){this.step--;var c=this.step,d=this.rollback[c],e=function(){this.apply(d,null,a||this.skipping());delete this.rollback[c];this.emit("go",c,-1)}.bind(this);b?setTimeout(e,+b):e();return this}},stage:function(){return this._stage}};_.each(MathBox.Stage.prototype,function(a,b){MathBox.Director.prototype[b]||(MathBox.Director.prototype[b]=function(){var b=this.stage[a].apply(this.stage,arguments);return b===this.stage?this:b})});MicroEvent.mixin(MathBox.Director);
 MathBox.Style=function(a){var b=this.defaults();a=_.extend(b,a||{});this.set(a)};
 MathBox.Style.prototype={defaults:function(){return{color:new THREE.Color(3178736),opacity:1,lineWidth:2,pointSize:5,mathScale:new THREE.Vector3(1,1,1),mathRotation:new THREE.Vector3,mathPosition:new THREE.Vector3,worldScale:new THREE.Vector3(1,1,1),worldRotation:new THREE.Vector3,worldPosition:new THREE.Vector3,zIndex:0,map:null,mapColor:0,mapOpacity:0}},validateColor:function(a){if(a.constructor==Array){a=a.concat([0,0,0]);var b=new THREE.Color;return b.setRGB.apply(b,a)}return a.constructor==Number?
 new THREE.Color(a):a.constructor!=THREE.Color?this.get("color"):a},validateMathScale:function(a){if(a.constructor==Array){a=a.concat([1,1,1]);var b=new THREE.Vector3;return b.set.apply(b,a)}return a.constructor!=THREE.Vector3?this.get("mathScale"):a},validateMathRotation:function(a){if(a.constructor==Array){a=a.concat([0,0,0]);var b=new THREE.Vector3;return b.set.apply(b,a)}return a.constructor!=THREE.Vector3?this.get("mathRotation"):a},validateMathPosition:function(a){if(a.constructor==Array){a=
@@ -49,76 +48,78 @@ a},validateWorldPosition:function(a){if(a.constructor==Array){a=a.concat([0,0,0]
 MathBox.CameraProxy=function(a,b){this.set({orbit:void 0===b.orbit?3.5:b.orbit,phi:void 0===b.phi?\u03c4/4:b.phi,theta:b.theta||0,lookAt:b.lookAt||[0,0,0]});this.singleton="camera";var c=this.controls=a.getCameraControls()||ThreeBox.OrbitControls.bind(a.tCamera(),null,this.get());this.on("change",function(a){_.each(a,function(a,b){"lookAt"!=b&&(c[b]=a)});a.lookAt&&c.lookAt.set.apply(c.lookAt,a.lookAt);c.update()});c.update();this.update=function(){this.set({orbit:c.orbit,phi:c.phi,theta:c.theta},
 null,!0);var a=this.get("lookAt");a[0]=c.lookAt.x;a[1]=c.lookAt.y;a[2]=c.lookAt.z}};MathBox.Attributes.mixin(MathBox.CameraProxy);MathBox.Overlay=function(){(this.domElement=document.createElement("div")).className="mathbox-overlay";this.sprites=[];this.v=new THREE.Vector3;this.q=new THREE.Vector3};
 MathBox.Overlay.prototype={size:function(a,b){this.width=a;this.height=b;this.domElement.style.width=a+"px";this.domElement.style.height=b+"px"},add:function(a){-1==this.sprites.indexOf(a)&&(this.sprites.push(a),a.element.parentNode||this.domElement.appendChild(a.element),_.each(a.children,function(a){this.add(a)}.bind(this)))},remove:function(a){var b;-1!=(b=this.sprites.indexOf(a))&&(this.sprites.splice(b,1),a.element.parentNode&&a.element.parentNode.removeChild(a.element),_.each(a.children,function(a){this.remove(a)}.bind(this)))},
-update:function(a){this.fov=0.5/Math.tan(a.fov*Math.PI/360)*this.height;_.each(this.sprites,function(b){this._update(b,a)}.bind(this));_.each(this.sprites,function(b){this._measure(b,a)}.bind(this));_.each(this.sprites,function(b){this._vis(b,a)}.bind(this))},_measure:function(a,b){if(a.measure){var c=a.element;a.width=c.offsetWidth;a.height=c.offsetHeight;a.measure=!1}},_vis:function(a,b){if(a.render&&(a.width||a.height)){var c=a.left,d=a.top,e=a.width+c,g=a.height+d;found=!1;_.each(this.sprites,
-function(b){if(b===a)found=!0;else if(found&&b.render){var k=b.left,f=b.top,l=b.width+k,m=b.height+f;e<k||c>l||g<f||d>m||(b.element.style.display="none",b.render=!1)}})}},_update:function(a,b){for(var c=this.v,d=this.q,e=a.render,g=a.visible,h=a.parent;g&&h;)g=g&&h.visible,h=h.parent;a.render=g&&0<a.opacity;if(a.render)e||(a.element.style.display="block"),c.copy(a.position),b.matrixWorldInverse.multiplyVector3(c),e=-(c.x/c.z)*this.fov+0.5*this.width,g=c.y/c.z*this.fov+0.5*this.height,a.distance&&
-(d.copy(a.tangent).multiplyScalar(0.01),d.addSelf(a.position),b.matrixWorldInverse.multiplyVector3(d),h=0<a.distance?1:-1,d.subSelf(c),d.z=0,d.normalize().multiplyScalar(a.distance),e+=Math.abs(d.y)*h,g+=Math.abs(d.x)*h),e=Math.round(e),g=Math.round(g),a.left!==e&&(a.left=e,a.element.style.left=e+"px"),a.top!==g&&(a.top=g,a.element.style.top=g+"px"),a.lastOpacity!==a.opacity&&(a.element.style.opacity=a.opacity,a.lastOpacity=a.opacity);else if(e||null===e)a.element.style.display="none"}};
+update:function(a){this.fov=0.5/Math.tan(a.fov*Math.PI/360)*this.height;_.each(this.sprites,function(b){this._update(b,a)}.bind(this));_.each(this.sprites,function(b){this._measure(b,a)}.bind(this));_.each(this.sprites,function(b){this._vis(b,a)}.bind(this))},_measure:function(a,b){if(a.measure){var c=a.element;a.width=c.offsetWidth;a.height=c.offsetHeight;a.measure=!1}},_vis:function(a,b){if(a.render&&(a.width||a.height)){var c=a.left,d=a.top,e=a.width+c,f=a.height+d;found=!1;_.each(this.sprites,
+function(b){if(b===a)found=!0;else if(found&&b.render){var k=b.left,g=b.top,l=b.width+k,m=b.height+g;e<k||c>l||f<g||d>m||(b.element.style.display="none",b.render=!1)}})}},_update:function(a,b){for(var c=this.v,d=this.q,e=a.render,f=a.visible,h=a.parent;f&&h;)f=f&&h.visible,h=h.parent;a.render=f&&0<a.opacity;if(a.render)e||(a.element.style.display="block"),c.copy(a.position),b.matrixWorldInverse.multiplyVector3(c),e=-(c.x/c.z)*this.fov+0.5*this.width,f=c.y/c.z*this.fov+0.5*this.height,a.distance&&
+(d.copy(a.tangent).multiplyScalar(0.01),d.addSelf(a.position),b.matrixWorldInverse.multiplyVector3(d),h=0<a.distance?1:-1,d.subSelf(c),d.z=0,d.normalize().multiplyScalar(a.distance),e+=Math.abs(d.y)*h,f+=Math.abs(d.x)*h),e=Math.round(e),f=Math.round(f),a.left!==e&&(a.left=e,a.element.style.left=e+"px"),a.top!==f&&(a.top=f,a.element.style.top=f+"px"),a.lastOpacity!==a.opacity&&(a.element.style.opacity=a.opacity,a.lastOpacity=a.opacity);else if(e||null===e)a.element.style.display="none"}};
 MathBox.Sprite=function(a,b,c){this.element=a;this.tangent=b||new THREE.Vector3(1,0,0);this.distance=c||0;this.height=this.width=0;this.measure=this.visible=!0;this.render=null;this.content="";this.lastOpacity=this.lastTop=this.lastLeft=null;a.style.position="absolute";a.style.left=0;a.style.top=0;a.style.opacity=0;THREE.Object3D.call(this)};MathBox.Sprite.prototype=_.extend(new THREE.Object3D,{});
 MathBox.Primitive=function(a){if(null!==a){var b=this.defaults();a&&(a.style=_.extend(b.style,a.style||{}),a=_.extend(b,a||{}));a=a||b;this.set(a);this.style=new MathBox.Style;this.style.set(this.get().style||{});this.on("change",function(a){void 0!==a.style&&this.style.set(a.style)}.bind(this));this.set("sequence",a.sequence||++MathBox.Primitive.sequence);this.set("id",a.id||this.sequence);this.init()}};MathBox.Primitive.sequence=0;MathBox.Primitive.types={};
 MathBox.Primitive.prototype={defaults:function(){return{}},type:function(){return"primitive"},init:function(){},make:function(){},destroy:function(){},renderables:function(){return[]},adjust:function(a){}};MathBox.Attributes.mixin(MathBox.Primitive);MicroEvent.mixin(MathBox.Primitive);MathBox.Curve=function(a){null!==a&&MathBox.Primitive.call(this,a)};
 MathBox.Curve.prototype=_.extend(new MathBox.Primitive(null),{defaults:function(){return{n:64,domain:[0,1],data:null,expression:function(){return 0},live:!0,points:!1,line:!0,style:{}}},type:function(){return"curve"},renderables:function(){return[this.line,this.points]},adjust:function(a){a=this.get();this.line.show(a.line);this.points.show(a.points);(a.line||a.points)&&0<this.style.get("opacity")&&a.live&&this.calculate()},make:function(){var a=this.get(),b=this.style,c=a.n,d=this.vertices=[];_.loop(c,
-function(){d.push(new THREE.Vector3)});c=function(c){return new MathBox.Renderable.Mesh(d,{type:c,dynamic:a.live},b)};this.line=c("line");this.points=c("points");this.calculate()},calculate:function(){var a=this.vertices,b=this.get(),c=b.data,d=b.domain,e=b.n,g=d[0],h=(d[1]-g)/(e-1),k;_.loop(e,function(e){k=c&&void 0!==c[e]?c[e]:b.expression.call(this,g,e);var d=0,m=0,n=0;if(k instanceof Array){var t=k.length;0<t&&(d=k[0]);1<t&&(m=k[1]);2<t&&(n=k[2])}else d=g,m=+k;a[e].set(d,m,n);g+=h}.bind(this))}});
+function(){d.push(new THREE.Vector3)});c=function(c){return new MathBox.Renderable.Mesh(d,{type:c,dynamic:a.live},b)};this.line=c("line");this.points=c("points");this.calculate()},calculate:function(){var a=this.vertices,b=this.get(),c=b.data,d=b.domain,e=b.n,f=d[0],h=(d[1]-f)/(e-1),k;_.loop(e,function(e){k=c&&void 0!==c[e]?c[e]:b.expression.call(this,f,e);var d=0,m=0,n=0;if(k instanceof Array){var t=k.length;0<t&&(d=k[0]);1<t&&(m=k[1]);2<t&&(n=k[2])}else d=f,m=+k;a[e].set(d,m,n);f+=h}.bind(this))}});
 MathBox.Primitive.types.curve=MathBox.Curve;MathBox.Bezier=function(a){MathBox.Curve.call(this,a)};
-MathBox.Bezier.prototype=_.extend(new MathBox.Curve(null),{defaults:function(){return{n:64,domain:[0,1],data:null,order:3,expression:function(){return 0},live:!0,points:!1,line:!0,style:{}}},type:function(){return"bezier"},calculate:function(){var a=this.vertices,b=this.get(),c=b.domain,d=b.data,e=b.order,g=b.n;if(1>e||3<e)throw"Bezier curve order must be 1, 2 or 3.";var h=[],k;_.loop(e+1,function(a){k=d&&void 0!==d[a]?d[a]:b.expression.call(this,a,a);var c=a=0,e=0;if(k instanceof Array){var g=k.length;
-0<g&&(a=k[0]);1<g&&(c=k[1]);2<g&&(e=k[2])}else a=l,c=+k;h.push(new THREE.Vector3(a,c,e))}.bind(this));var f={bezierPoints:h},l=c[0],m=(c[1]-l)/(g-1);_.loop(g,function(b){a[b].set(l,0,0);l+=m});c={uniforms:f,shaders:{position:function(a,b){a.snippet("bezier"+e).snippet("mathTransform");b.viewport(a)}}};this.line.set(c);this.points.set(c)}});MathBox.Primitive.types.bezier=MathBox.Bezier;
+MathBox.Bezier.prototype=_.extend(new MathBox.Curve(null),{defaults:function(){return{n:64,domain:[0,1],data:null,order:3,expression:function(){return 0},live:!0,points:!1,line:!0,style:{}}},type:function(){return"bezier"},calculate:function(){var a=this.vertices,b=this.get(),c=b.domain,d=b.data,e=b.order,f=b.n;if(1>e||3<e)throw"Bezier curve order must be 1, 2 or 3.";var h=[],k;_.loop(e+1,function(a){k=d&&void 0!==d[a]?d[a]:b.expression.call(this,a,a);var c=a=0,e=0;if(k instanceof Array){var f=k.length;
+0<f&&(a=k[0]);1<f&&(c=k[1]);2<f&&(e=k[2])}else a=l,c=+k;h.push(new THREE.Vector3(a,c,e))}.bind(this));var g={bezierPoints:h},l=c[0],m=(c[1]-l)/(f-1);_.loop(f,function(b){a[b].set(l,0,0);l+=m});c={uniforms:g,shaders:{position:function(a,b){a.snippet("bezier"+e).snippet("mathTransform");b.viewport(a)}}};this.line.set(c);this.points.set(c)}});MathBox.Primitive.types.bezier=MathBox.Bezier;
 MathBox.Axis=function(a){null!==a&&(MathBox.Primitive.call(this,a),this.on("change",function(a){void 0!==a.size&&this.arrow&&this.arrow.set("size",a.size)}))};
-MathBox.Axis.prototype=_.extend(new MathBox.Primitive(null),{defaults:function(){return{axis:0,offset:[0,0,0],n:2,arrow:!0,line:!0,labels:!1,decimals:2,distance:15,ticks:10,tickUnit:1,tickScale:10,size:0.07,style:{lineWidth:4,color:new THREE.Color(7368816)},formatter:null,zero:!0}},renderables:function(){return[this.line,this.ticks,this.arrow,this.labels]},type:function(){return"axis"},adjust:function(a,b){var c=this.get(),d=c.axis,e=c.offset,g=c.arrow,h=c.line,k=c.labels,f=c.n,l=c.ticks,m=c.tickUnit,
-n=c.tickScale,c=c.decimals,t=this.points,s=this.labelPoints,r=this.labelTangent,q=this.tickPoints,u=this.tickSigns,v=[0,0,0],x=new THREE.Vector3;new THREE.Vector4;var w=a.axis(d),y=w[0],w=w[1],A=(w-y)/(f-1);x.set.apply(x,e);_.loop(f,function(a){v[d]=y+a*A;t[a].set.apply(t[a],v);t[a].addSelf(x)});this.line.show(h);this.arrow.show(g);f=this.scale=MathBox.Ticks(y,w,l,m,n,!0);this.ticks.show(!!l);if(l){l=Math.floor(q.length/2);f.length>l&&(f=f.slice(0,l));var l=[0,0,0],z;l[2==d?0:1-d]=0.01*(w-y);this.epsilon.set.apply(this.epsilon,
-l);v=[0,0,0];_.each(f,function(a,b){v[d]=a;var c=2*b;q[c].set.apply(q[c],v);q[c].addSelf(x);u[c]=1;q[c+1].copy(q[c]);u[c+1]=-1;s[b].copy(q[c]);z=c+1});l=z+1;for(f=q.length;l<f;)q[l].copy(q[z]),u[l]=u[z],l++}v=[0,0,0];v[d]=1;r.set.apply(r,v);this.labels.show(!!k);this.labels.set("decimals",c)},make:function(){var a=this.get(),b=a.n,c=a.size,d=a.ticks,e=a.distance,g=a.formatter,h=this.style,k=this.points=[],f=this.labelPoints=[],l=this.labelTangent=new THREE.Vector3,m=this.tickPoints=[],n=this.tickSigns=
-[],t=this.epsilon=new THREE.Vector3;_.loop(b,function(a){k.push(new THREE.Vector3)});_.loop(4*d,function(a){f.push(new THREE.Vector3)});_.loop(8*d,function(a){m.push(new THREE.Vector3);n.push(1)});var d={dynamic:!0,size:c,offset:0.5},c={dynamic:!0,size:0.2*c},e={dynamic:!0,distance:e},s=function(b){b=this.scale[b];return 0!=b||a.zero?g?g(b):b:""}.bind(this);this.line=new MathBox.Renderable.Mesh(k,{dynamic:!0,type:"line"},h);this.arrow=new MathBox.Renderable.ArrowHead(k[b-2],k[b-1],d,h);this.ticks=
-new MathBox.Renderable.Ticks(m,n,t,c,h);this.labels=new MathBox.Renderable.Labels(f,l,s,e,h)}});MathBox.Axis.validateArgs=function(a){"number"==typeof a&&(a={axis:a});return a};MathBox.Primitive.types.axis=MathBox.Axis;MathBox.Grid=function(a){null!==a&&MathBox.Primitive.call(this,a)};
-MathBox.Grid.prototype=_.extend(new MathBox.Primitive(null),{defaults:function(){return{axis:[0,1],offset:[0,0,0],show:[!0,!0],n:2,ticks:[10,10],tickUnit:[1,1],tickScale:[10,10],style:{lineWidth:1,color:new THREE.Color(10526880)}}},type:function(){return"grid"},renderables:function(){return this.lines||[]},adjust:function(a){function b(a,b,c,e,d){var g=l.slice(),f=0,h=MathBox.Ticks(b.min,b.max,b.ticks,b.tickUnit,b.tickScale,!0);h.length>e&&(h=h.slice(0,e));_.each(h,function(e){g[b.axis]=e+l[b.axis];
-g[c.axis]=c.min+l[c.axis];_.loop(d-1,function(b){a[f].set.apply(a[f],g);f++;g[c.axis]+=c.inv;a[f].set.apply(a[f],g);f++})});e=Math.max(0,f-1);for(h=a.length;f<h;)a[f++].copy(a[e])}var c=this.get(),d=c.axis,e=c.ticks,g=c.tickUnit,h=c.tickScale,k=c.n,f=c.show,l=c.offset,c=this.points,m=this.limit,n=[];"number"==typeof k&&(k=[k,k]);_.each(d,function(b,c){var d=a.axis(b);n.push({axis:b,min:d[0],max:d[1],inv:(d[1]-d[0])/(k[c]-1),ticks:e[c],tickUnit:g[c],tickScale:h[c]})});this.lines[0].show(f[0]);this.lines[1].show(f[1]);
-f[0]&&b(c[0],n[1],n[0],m[0],k[0]);f[1]&&b(c[1],n[0],n[1],m[1],k[1])},make:function(a){var b=this.get();a=b.ticks;var c=b.n,d=this.points=[[],[]],b=this.style;"number"==typeof c&&(c=[c,c]);var e=this.limit=[0,0];_.each(a,function(a,b){b=1-b;e[b]=4*a;_.loop(e[b]*(c[b]-1)*2,function(a){d[b].push(new THREE.Vector3)})});this.lines=[];this.lines.push(new MathBox.Renderable.Mesh(d[0],{type:"line",strip:!1,dynamic:!0},b));this.lines.push(new MathBox.Renderable.Mesh(d[1],{type:"line",strip:!1,dynamic:!0},
+MathBox.Axis.prototype=_.extend(new MathBox.Primitive(null),{defaults:function(){return{axis:0,offset:[0,0,0],n:2,arrow:!0,line:!0,labels:!1,decimals:2,distance:15,ticks:10,tickUnit:1,tickScale:10,size:0.07,style:{lineWidth:4,color:new THREE.Color(7368816)},formatter:null,zero:!0}},renderables:function(){return[this.line,this.ticks,this.arrow,this.labels]},type:function(){return"axis"},adjust:function(a,b){var c=this.get(),d=c.axis,e=c.offset,f=c.arrow,h=c.line,k=c.labels,g=c.n,l=c.ticks,m=c.tickUnit,
+n=c.tickScale,c=c.decimals,t=this.points,s=this.labelPoints,r=this.labelTangent,q=this.tickPoints,u=this.tickSigns,v=[0,0,0],x=new THREE.Vector3;new THREE.Vector4;var w=a.axis(d),y=w[0],w=w[1],A=(w-y)/(g-1);x.set.apply(x,e);_.loop(g,function(a){v[d]=y+a*A;t[a].set.apply(t[a],v);t[a].addSelf(x)});this.line.show(h);this.arrow.show(f);g=this.scale=MathBox.Ticks(y,w,l,m,n,!0);this.ticks.show(!!l);if(l){l=Math.floor(q.length/2);g.length>l&&(g=g.slice(0,l));var l=[0,0,0],z;l[2==d?0:1-d]=0.01*(w-y);this.epsilon.set.apply(this.epsilon,
+l);v=[0,0,0];_.each(g,function(a,b){v[d]=a;var c=2*b;q[c].set.apply(q[c],v);q[c].addSelf(x);u[c]=1;q[c+1].copy(q[c]);u[c+1]=-1;s[b].copy(q[c]);z=c+1});l=z+1;for(g=q.length;l<g;)q[l].copy(q[z]),u[l]=u[z],l++}v=[0,0,0];v[d]=1;r.set.apply(r,v);this.labels.show(!!k);this.labels.set("decimals",c)},make:function(){var a=this.get(),b=a.n,c=a.size,d=a.ticks,e=a.distance,f=a.formatter,h=this.style,k=this.points=[],g=this.labelPoints=[],l=this.labelTangent=new THREE.Vector3,m=this.tickPoints=[],n=this.tickSigns=
+[],t=this.epsilon=new THREE.Vector3;_.loop(b,function(a){k.push(new THREE.Vector3)});_.loop(4*d,function(a){g.push(new THREE.Vector3)});_.loop(8*d,function(a){m.push(new THREE.Vector3);n.push(1)});var d={dynamic:!0,size:c,offset:0.5},c={dynamic:!0,size:0.2*c},e={dynamic:!0,distance:e},s=function(b){b=this.scale[b];return 0!=b||a.zero?f?f(b):b:""}.bind(this);this.line=new MathBox.Renderable.Mesh(k,{dynamic:!0,type:"line"},h);this.arrow=new MathBox.Renderable.ArrowHead(k[b-2],k[b-1],d,h);this.ticks=
+new MathBox.Renderable.Ticks(m,n,t,c,h);this.labels=new MathBox.Renderable.Labels(g,l,s,e,h)}});MathBox.Axis.validateArgs=function(a){"number"==typeof a&&(a={axis:a});return a};MathBox.Primitive.types.axis=MathBox.Axis;MathBox.Grid=function(a){null!==a&&MathBox.Primitive.call(this,a)};
+MathBox.Grid.prototype=_.extend(new MathBox.Primitive(null),{defaults:function(){return{axis:[0,1],offset:[0,0,0],show:[!0,!0],n:2,ticks:[10,10],tickUnit:[1,1],tickScale:[10,10],style:{lineWidth:1,color:new THREE.Color(10526880)}}},type:function(){return"grid"},renderables:function(){return this.lines||[]},adjust:function(a){function b(a,b,c,e,d){var f=l.slice(),g=0,h=MathBox.Ticks(b.min,b.max,b.ticks,b.tickUnit,b.tickScale,!0);h.length>e&&(h=h.slice(0,e));_.each(h,function(e){f[b.axis]=e+l[b.axis];
+f[c.axis]=c.min+l[c.axis];_.loop(d-1,function(b){a[g].set.apply(a[g],f);g++;f[c.axis]+=c.inv;a[g].set.apply(a[g],f);g++})});e=Math.max(0,g-1);for(h=a.length;g<h;)a[g++].copy(a[e])}var c=this.get(),d=c.axis,e=c.ticks,f=c.tickUnit,h=c.tickScale,k=c.n,g=c.show,l=c.offset,c=this.points,m=this.limit,n=[];"number"==typeof k&&(k=[k,k]);_.each(d,function(b,c){var d=a.axis(b);n.push({axis:b,min:d[0],max:d[1],inv:(d[1]-d[0])/(k[c]-1),ticks:e[c],tickUnit:f[c],tickScale:h[c]})});this.lines[0].show(g[0]);this.lines[1].show(g[1]);
+g[0]&&b(c[0],n[1],n[0],m[0],k[0]);g[1]&&b(c[1],n[0],n[1],m[1],k[1])},make:function(a){var b=this.get();a=b.ticks;var c=b.n,d=this.points=[[],[]],b=this.style;"number"==typeof c&&(c=[c,c]);var e=this.limit=[0,0];_.each(a,function(a,b){b=1-b;e[b]=4*a;_.loop(e[b]*(c[b]-1)*2,function(a){d[b].push(new THREE.Vector3)})});this.lines=[];this.lines.push(new MathBox.Renderable.Mesh(d[0],{type:"line",strip:!1,dynamic:!0},b));this.lines.push(new MathBox.Renderable.Mesh(d[1],{type:"line",strip:!1,dynamic:!0},
 b))}});MathBox.Primitive.types.grid=MathBox.Grid;MathBox.Vector=function(a){null!==a&&(MathBox.Primitive.call(this,a),this.render=[],this.arrows=[],this.line=this.points=this.vertices=null,this.on("change",function(a){void 0!==a.size&&_.each(this.arrows,function(c){c.set("size",a.size)})}))};MathBox.Vector.vLast=new THREE.Vector3;MathBox.Vector.vCurrent=new THREE.Vector3;
-MathBox.Vector.prototype=_.extend(new MathBox.Primitive(null),{defaults:function(){return{n:1,data:null,arrow:!0,expression:function(){return 0},live:!0,style:{},size:0.07}},type:function(){return"vector"},renderables:function(){return this.render},adjust:function(a){var b=this.get();0<this.style.get("opacity")&&(b.arrow||b.live)&&this.calculate(a);_.each(this.arrows,function(a){a.show(b.arrow)})},make:function(){var a=this.get(),b=a.arrow,c=this.style,d=a.n,e=this.vertices=[],g=this.points=[],h=
-this.render=[],k=this.arrows=[],f={dynamic:a.live,type:"line",strip:!1},l={size:a.size},m=0;_.loop(d,function(){e.push(new THREE.Vector3);e.push(new THREE.Vector3);g.push(new THREE.Vector3);g.push(new THREE.Vector3);if(b){var a=new MathBox.Renderable.ArrowHead(g[m++],g[m++],l,c);h.push(a);k.push(a)}});this.line=new MathBox.Renderable.Mesh(e,f,c);h.push(this.line);this.calculate()},calculate:function(a){var b=this.vertices,c=this.arrows,d=this.points,e=this.get(),g=e.data,h=e.arrow,k=e.n,f=e.size,
-l=this.style.get("mathScale"),m=0,n=0;_.loop(2*k,function(k){p=g&&void 0!==g[k]?g[k]:e.expression.call(this,n,m);var s=0,r=0,q=0;if(p instanceof Array){var u=p.length;0<u&&(s=p[0]);1<u&&(r=p[1]);2<u&&(q=p[2])}else s=k,r=+p,q=0;d[k].set(s,r,q);b[k].set(s,r,q);a&&h&&1==k%2&&(s=MathBox.Vector.vLast,r=MathBox.Vector.vCurrent,r.copy(b[k]),s.copy(b[k-1]),a.to(r),a.to(s),r.subSelf(s).multiplySelf(l),u=r.length(),q=Math.min(1,0.5*u/f),q=(1-(1-q)*(1-q))*f,u-=q,r.normalize().multiplyScalar(u).divideSelf(l).addSelf(s),
+MathBox.Vector.prototype=_.extend(new MathBox.Primitive(null),{defaults:function(){return{n:1,data:null,arrow:!0,expression:function(){return 0},live:!0,style:{},size:0.07}},type:function(){return"vector"},renderables:function(){return this.render},adjust:function(a){var b=this.get();0<this.style.get("opacity")&&(b.arrow||b.live)&&this.calculate(a);_.each(this.arrows,function(a){a.show(b.arrow)})},make:function(){var a=this.get(),b=a.arrow,c=this.style,d=a.n,e=this.vertices=[],f=this.points=[],h=
+this.render=[],k=this.arrows=[],g={dynamic:a.live,type:"line",strip:!1},l={size:a.size},m=0;_.loop(d,function(){e.push(new THREE.Vector3);e.push(new THREE.Vector3);f.push(new THREE.Vector3);f.push(new THREE.Vector3);if(b){var a=new MathBox.Renderable.ArrowHead(f[m++],f[m++],l,c);h.push(a);k.push(a)}});this.line=new MathBox.Renderable.Mesh(e,g,c);h.push(this.line);this.calculate()},calculate:function(a){var b=this.vertices,c=this.arrows,d=this.points,e=this.get(),f=e.data,h=e.arrow,k=e.n,g=e.size,
+l=this.style.get("mathScale"),m=0,n=0;_.loop(2*k,function(k){p=f&&void 0!==f[k]?f[k]:e.expression.call(this,n,m);var s=0,r=0,q=0;if(p instanceof Array){var u=p.length;0<u&&(s=p[0]);1<u&&(r=p[1]);2<u&&(q=p[2])}else s=k,r=+p,q=0;d[k].set(s,r,q);b[k].set(s,r,q);a&&h&&1==k%2&&(s=MathBox.Vector.vLast,r=MathBox.Vector.vCurrent,r.copy(b[k]),s.copy(b[k-1]),a.to(r),a.to(s),r.subSelf(s).multiplySelf(l),u=r.length(),q=Math.min(1,0.5*u/g),q=(1-(1-q)*(1-q))*g,u-=q,r.normalize().multiplyScalar(u).divideSelf(l).addSelf(s),
 a.from(r),b[k].copy(r),c[n].set({size:q}));n=m?n+1:n;m=(m+1)%2}.bind(this))}});MathBox.Primitive.types.vector=MathBox.Vector;MathBox.Surface=function(a){null!==a&&MathBox.Primitive.call(this,a)};
 MathBox.Surface.prototype=_.extend(new MathBox.Primitive(null),{defaults:function(){return{n:[64,64],domain:[[0,1],[0,1]],data:null,expression:function(){return 0},live:!0,points:!1,line:!1,mesh:!0,doubleSided:!0,flipSided:!1,shaded:!0,style:{}}},type:function(){return"surface"},renderables:function(){return[this.mesh,this.line,this.points]},adjust:function(a){a=this.get();this.mesh.show(a.mesh);this.line.show(a.line);this.points.show(a.points);(a.mesh||a.line||a.points)&&0<this.style.get("opacity")&&
 a.live&&this.calculate()},make:function(){var a=this.get(),b=this.style,c=a.n;"number"==typeof c&&(c=[c,c]);var d=this.geometry=new THREE.PlaneGeometry(2,2,c[0]-1,c[1]-1);this.vertices=d.vertices;this.mesh=new MathBox.Renderable.Mesh(d,{type:"mesh",doubleSided:a.doubleSided,flipSided:a.flipSided,shaded:a.shaded,smooth:!0,dynamic:a.live},b);this.line=new MathBox.Renderable.Mesh(d,{type:"mesh",shaded:a.shaded,smooth:!0,dynamic:a.live,wireframe:!0},b);this.points=new MathBox.Renderable.Mesh(d.vertices,
-{type:"points",dynamic:a.live},b);if(a.shaded){var e=this.tangents=[[],[]];_.loop(c[0]*c[1],function(){e[0].push(new THREE.Vector3);e[1].push(new THREE.Vector3)})}this.calculate()},calculate:function(){var a=this.vertices,b=this.tangents,c=this.get(),d=c.data,e=c.domain,g=c.n,h=c.flipSided,k=h?1:0,h=h?0:1;"number"==typeof g&&(g=[g,g]);var f=e[0][0],l=e[1][0],m=(e[0][1]-f)/(g[0]-1),n=(e[1][1]-l)/(g[1]-1),t,s=0;_.loop(g[1],function(b){f=e[0][0];_.loop(g[0],function(e){t=d&&void 0!==d[b]&&void 0!==d[b][e]?
-d[b][e]:c.expression.call(this,f,l,e,b,s);var g=e=0,h=0;if(t instanceof Array){var k=t.length;0<k&&(e=t[0]);1<k&&(g=t[1]);2<k&&(h=t[2])}else e=f,g=+t,h=l;a[s].set(e,g,h);f+=m;s++}.bind(this));l+=n}.bind(this));if(c.shaded){var s=0,l=e[1][0],r=g[0];_.loop(g[1],function(c){f=e[0][0];var d=c?c-1:0,h=Math.min(g[1]-1,c+1);_.loop(g[0],function(e){var k=e?e-1:0,l=Math.min(g[0]-1,e+1),n=a[e+c*r];l==e?b[0][s].sub(n,a[k+c*r]).addSelf(n):b[0][s].copy(a[l+c*r]);h==c?b[1][s].sub(n,a[e+d*r]).addSelf(n):b[1][s].copy(a[e+
-h*r]);f+=m;s++});l+=n});this.line.set("attributes",{positionDU:b[k],positionDV:b[h]});this.mesh.set("attributes",{positionDU:b[k],positionDV:b[h]})}}});MathBox.Primitive.types.surface=MathBox.Surface;MathBox.BezierSurface=function(a){this.matrixX=new THREE.Matrix4;this.matrixY=new THREE.Matrix4;this.matrixZ=new THREE.Matrix4;this.coefficients=new THREE.Matrix4(-1,3,-3,1,3,-6,3,0,-3,3,0,0,1,0,0,0);MathBox.Surface.call(this,a)};
-MathBox.BezierSurface.prototype=_.extend(new MathBox.Surface(null),{defaults:function(){return{n:[64,64],domain:[[0,1],[0,1]],data:null,order:3,expression:function(){return 0},live:!0,points:!1,line:!1,mesh:!0,doubleSided:!0,flipSided:!1,shaded:!0,style:{}}},type:function(){return"bezierSurface"},calculate:function(){var a=this.vertices,b=this.get(),c=b.domain,d=b.data,e=b.order,g=b.shaded,h=b.n;"number"==typeof h&&(h=[h,h]);if(3!=e)throw"Bezier surface order must be 3.";var k=[],f;_.loop(e+1,function(a){_.loop(e+
-1,function(c){f=d&&void 0!==d[a]&&void 0!==d[a][c]?d[a][c]:b.expression.call(this,c,a,c,a);var e=0,g=0,h=0;f instanceof Array?(c=f.length,0<c&&(e=f[0]),1<c&&(g=f[1]),2<c&&(h=f[2])):(e=c,g=+f,h=a);k.push([e,g,h])}.bind(this))}.bind(this));f=k;this.matrixX.set(f[0][0],f[1][0],f[2][0],f[3][0],f[4][0],f[5][0],f[6][0],f[7][0],f[8][0],f[9][0],f[10][0],f[11][0],f[12][0],f[13][0],f[14][0],f[15][0]);this.matrixY.set(f[0][1],f[1][1],f[2][1],f[3][1],f[4][1],f[5][1],f[6][1],f[7][1],f[8][1],f[9][1],f[10][1],f[11][1],
-f[12][1],f[13][1],f[14][1],f[15][1]);this.matrixZ.set(f[0][2],f[1][2],f[2][2],f[3][2],f[4][2],f[5][2],f[6][2],f[7][2],f[8][2],f[9][2],f[10][2],f[11][2],f[12][2],f[13][2],f[14][2],f[15][2]);var l=this.coefficients;this.matrixX.multiplySelf(l).transpose().multiplySelf(l);this.matrixY.multiplySelf(l).transpose().multiplySelf(l);this.matrixZ.multiplySelf(l).transpose().multiplySelf(l);var l={bezierSurfaceX:this.matrixX,bezierSurfaceY:this.matrixY,bezierSurfaceZ:this.matrixZ},m=c[0][0],n=c[1][0],t=(c[0][1]-
-m)/(h[0]-1),s=(c[1][1]-n)/(h[1]-1),r=0;_.loop(h[1],function(b){m=c[0][0];_.loop(h[0],function(b){a[r].set(m,n,0);m+=t;r++}.bind(this));n+=s}.bind(this));l={uniforms:l,shaders:{position:function(a,b){g?(a.snippet("bezierSurface"+e),a.group(),a.snippet("mathTransform"),b.viewport(a),a.next(),a.snippet("mathTransform"),b.viewport(a),a.next(),a.snippet("mathTransform"),b.viewport(a),a.combine()):(a.snippet("bezierSurface"+e).snippet("mathTransform"),b.viewport(a))}}};this.mesh.set(l);this.line.set(l);
+{type:"points",dynamic:a.live},b);if(a.shaded){var e=this.tangents=[[],[]];_.loop(c[0]*c[1],function(){e[0].push(new THREE.Vector3);e[1].push(new THREE.Vector3)})}this.calculate()},calculate:function(){var a=this.vertices,b=this.tangents,c=this.get(),d=c.data,e=c.domain,f=c.n,h=c.flipSided,k=h?1:0,h=h?0:1;"number"==typeof f&&(f=[f,f]);var g=e[0][0],l=e[1][0],m=(e[0][1]-g)/(f[0]-1),n=(e[1][1]-l)/(f[1]-1),t,s=0;_.loop(f[1],function(b){g=e[0][0];_.loop(f[0],function(e){t=d&&void 0!==d[b]&&void 0!==d[b][e]?
+d[b][e]:c.expression.call(this,g,l,e,b,s);var f=e=0,h=0;if(t instanceof Array){var k=t.length;0<k&&(e=t[0]);1<k&&(f=t[1]);2<k&&(h=t[2])}else e=g,f=+t,h=l;a[s].set(e,f,h);g+=m;s++}.bind(this));l+=n}.bind(this));if(c.shaded){var s=0,l=e[1][0],r=f[0];_.loop(f[1],function(c){g=e[0][0];var d=c?c-1:0,h=Math.min(f[1]-1,c+1);_.loop(f[0],function(e){var k=e?e-1:0,l=Math.min(f[0]-1,e+1),n=a[e+c*r];l==e?b[0][s].sub(n,a[k+c*r]).addSelf(n):b[0][s].copy(a[l+c*r]);h==c?b[1][s].sub(n,a[e+d*r]).addSelf(n):b[1][s].copy(a[e+
+h*r]);g+=m;s++});l+=n});this.line.set("attributes",{positionDU:b[k],positionDV:b[h]});this.mesh.set("attributes",{positionDU:b[k],positionDV:b[h]})}}});MathBox.Primitive.types.surface=MathBox.Surface;MathBox.BezierSurface=function(a){this.matrixX=new THREE.Matrix4;this.matrixY=new THREE.Matrix4;this.matrixZ=new THREE.Matrix4;this.coefficients=new THREE.Matrix4(-1,3,-3,1,3,-6,3,0,-3,3,0,0,1,0,0,0);MathBox.Surface.call(this,a)};
+MathBox.BezierSurface.prototype=_.extend(new MathBox.Surface(null),{defaults:function(){return{n:[64,64],domain:[[0,1],[0,1]],data:null,order:3,expression:function(){return 0},live:!0,points:!1,line:!1,mesh:!0,doubleSided:!0,flipSided:!1,shaded:!0,style:{}}},type:function(){return"bezierSurface"},calculate:function(){var a=this.vertices,b=this.get(),c=b.domain,d=b.data,e=b.order,f=b.shaded,h=b.n;"number"==typeof h&&(h=[h,h]);if(3!=e)throw"Bezier surface order must be 3.";var k=[],g;_.loop(e+1,function(a){_.loop(e+
+1,function(c){g=d&&void 0!==d[a]&&void 0!==d[a][c]?d[a][c]:b.expression.call(this,c,a,c,a);var e=0,f=0,h=0;g instanceof Array?(c=g.length,0<c&&(e=g[0]),1<c&&(f=g[1]),2<c&&(h=g[2])):(e=c,f=+g,h=a);k.push([e,f,h])}.bind(this))}.bind(this));g=k;this.matrixX.set(g[0][0],g[1][0],g[2][0],g[3][0],g[4][0],g[5][0],g[6][0],g[7][0],g[8][0],g[9][0],g[10][0],g[11][0],g[12][0],g[13][0],g[14][0],g[15][0]);this.matrixY.set(g[0][1],g[1][1],g[2][1],g[3][1],g[4][1],g[5][1],g[6][1],g[7][1],g[8][1],g[9][1],g[10][1],g[11][1],
+g[12][1],g[13][1],g[14][1],g[15][1]);this.matrixZ.set(g[0][2],g[1][2],g[2][2],g[3][2],g[4][2],g[5][2],g[6][2],g[7][2],g[8][2],g[9][2],g[10][2],g[11][2],g[12][2],g[13][2],g[14][2],g[15][2]);var l=this.coefficients;this.matrixX.multiplySelf(l).transpose().multiplySelf(l);this.matrixY.multiplySelf(l).transpose().multiplySelf(l);this.matrixZ.multiplySelf(l).transpose().multiplySelf(l);var l={bezierSurfaceX:this.matrixX,bezierSurfaceY:this.matrixY,bezierSurfaceZ:this.matrixZ},m=c[0][0],n=c[1][0],t=(c[0][1]-
+m)/(h[0]-1),s=(c[1][1]-n)/(h[1]-1),r=0;_.loop(h[1],function(b){m=c[0][0];_.loop(h[0],function(b){a[r].set(m,n,0);m+=t;r++}.bind(this));n+=s}.bind(this));l={uniforms:l,shaders:{position:function(a,b){f?(a.snippet("bezierSurface"+e),a.group(),a.snippet("mathTransform"),b.viewport(a),a.next(),a.snippet("mathTransform"),b.viewport(a),a.next(),a.snippet("mathTransform"),b.viewport(a),a.combine()):(a.snippet("bezierSurface"+e).snippet("mathTransform"),b.viewport(a))}}};this.mesh.set(l);this.line.set(l);
 this.points.set(l)}});MathBox.Primitive.types.bezierSurface=MathBox.BezierSurface;MathBox.Platonic=function(a){null!==a&&MathBox.Primitive.call(this,a)};
 MathBox.Platonic.prototype=_.extend(new MathBox.Primitive(null),{defaults:function(){return{n:1,type:"cube",points:!1,line:!1,mesh:!0,doubleSided:!0,flipSided:!1,shaded:!0,style:{}}},type:function(){return"platonic"},renderables:function(){return[this.mesh,this.line,this.points]},adjust:function(a){a=this.get();this.mesh.show(a.mesh);this.line.show(a.line);this.points.show(a.points)},make:function(){var a=this.get(),b=this.style,c;switch(a.type){case "cube":c=new THREE.CubeGeometry(2,2,2,1,1,1)}this.mesh=
-new MathBox.Renderable.Mesh(c,{type:"mesh",doubleSided:a.doubleSided,flipSided:a.flipSided,shaded:a.shaded,smooth:!1,dynamic:a.live},b);this.line=new MathBox.Renderable.Mesh(c,{type:"mesh",shaded:a.shaded,smooth:!1,dynamic:a.live,wireframe:!0},b);this.points=new MathBox.Renderable.Mesh(c.vertices,{type:"points",dynamic:a.live},b)}});MathBox.Primitive.types.platonic=MathBox.Platonic;
+new MathBox.Renderable.Mesh(c,{type:"mesh",doubleSided:a.doubleSided,flipSided:a.flipSided,shaded:a.shaded,smooth:!1,dynamic:a.live},b);this.line=new MathBox.Renderable.Mesh(c,{type:"mesh",shaded:a.shaded,smooth:!1,dynamic:a.live,wireframe:!0},b);this.points=new MathBox.Renderable.Mesh(c.vertices,{type:"points",dynamic:a.live},b)}});MathBox.Primitive.types.platonic=MathBox.Platonic;MathBox.Label=function(a){null!==a&&MathBox.Primitive.call(this,a)};
+MathBox.Label.prototype=_.extend(new MathBox.Primitive(null),{defaults:function(){return{position:[0,0,0],facing:1,distance:15,style:{color:new THREE.Color(7368816)},text:""}},renderables:function(){return[this.labels]},type:function(){return"label"},adjust:function(a,b){var c=this.get(),d=[0,0,0];d[c.facing]=1;c=this.labelTangent;c.set.apply(c,d);this.labels.show(!0)},make:function(){var a=this.get(),b=a.position,c=a.text,d=a.distance,a=this.style,e=this.labelTangent=new THREE.Vector3,d={dynamic:!0,
+distance:d},f=new THREE.Vector3;f.set.apply(f,b);b=function(a){return c}.bind(this);this.labels=new MathBox.Renderable.Labels([f],e,b,d,a)}});MathBox.Label.validateArgs=function(a){return a};MathBox.Primitive.types.label=MathBox.Label;
 MathBox.Renderable=function(a,b){if(null!==a){this.id=++MathBox.Renderable.id;var c=this.defaults();a&&(a=_.extend(c,a||{}));this.set(a||c);this.geometry=this.material=this.object=null;this.visible=!0;this.style=b||new MathBox.Style;this.style.on("change",this.styleCallback=this.refreshStyle.bind(this));this.on("change",this.uniformsCallback=this.refreshOptions.bind(this));this.mathTransform=new THREE.Matrix4}};MathBox.Renderable.id=0;
 MathBox.Renderable.prototype={defaults:function(){return{}},make:function(a){},destroy:function(){},show:function(a){a=void 0===a?!0:!!a;a!=this.visible&&(this.visible=a,this.refresh())},isVisible:function(){return this.object&&this.object.visible},composeTransform:function(a,b,c){var d=THREE.Matrix4.__m1,e=THREE.Matrix4.__m2;d.identity();d.setRotationFromEuler(b,this.object.eulerOrder);e.makeScale(c.x,c.y,c.z);this.mathTransform.multiply(d,e);b=this.mathTransform.elements;b[12]=a.x;b[13]=a.y;b[14]=
 a.z},refreshStyle:function(a){var b=this.style.get();a=a||b;this.material&&this.material.applyUniforms(a);if(this.object){this.object.frustumCulled=!1;a.worldPosition&&(this.object.position=b.worldPosition);a.worldRotation&&(this.object.rotation=b.worldRotation);a.worldScale&&(this.object.scale=b.worldScale);if(a.mathPosition||a.mathRotation||a.mathScale)this.composeTransform(b.mathPosition,b.mathRotation,b.mathScale),this.material&&this.material.applyUniforms({mathTransform:this.mathTransform});
 void 0!==a.opacity&&(this.object.visible=this.visible&&0<b.opacity);void 0===a.opacity&&void 0===a.zIndex||!this.material||(this.object.renderDepth=b.zIndex*(1==b.opacity?1:-1))}},refreshOptions:function(a){var b=this.get();a=a||b;if(this.material){b=this.get();if(void 0!==a.doubleSided||void 0!==a.flipSided)this.material.side=b.doubleSided?THREE.DoubleSide:b.flipSided?THREE.BackSide:THREE.FrontSide,b={flipSided:b.doubleSided&&b.flipSided?-1:1},this.material.applyUniforms(b);(b=this.get().uniforms)&&
 this.material.applyUniforms(b);(b=this.get().attributes)&&this.material.applyAttributes(b)}},refresh:function(){this.refreshStyle();this.refreshOptions()},adjust:function(a){this.material&&this.material.applyUniforms(a.uniforms())}};MathBox.Attributes.mixin(MathBox.Renderable);MathBox.Renderable.Mesh=function(a,b,c){this.points=a;MathBox.Renderable.call(this,b,c)};
-MathBox.Renderable.Mesh.prototype=_.extend(new MathBox.Renderable(null),{defaults:function(){return{type:"points",doubleSided:!0,dynamic:!1,absolute:!1,strip:!0,shaders:{}}},make:function(a){var b=this.get(),c=b.type,d=b.strip,e={points:THREE.ParticleSystem,line:THREE.Line,mesh:THREE.Mesh}[c];if(!e)throw"Invalid Mesh type '"+c+"'";a=this.material=a.generic(b);var g;g=this.points;g instanceof Array?(g=this.geometry=new THREE.Geometry,g.vertices=this.points):g=this.geometry=g;g.dynamic=b.dynamic;switch(c){case "line":b=
-new THREE.Line(g,a,d?THREE.LineStrip:THREE.LinePieces);break;default:b=new e(g,a)}this.object=b;this.refresh()},adjust:function(a){this.get().dynamic&&(this.geometry.verticesNeedUpdate=!0);MathBox.Renderable.prototype.adjust.call(this,a)}});MathBox.Renderable.ArrowHead=function(a,b,c,d){this.from=a;this.to=b;MathBox.Renderable.call(this,c,d)};MathBox.Renderable.ArrowHead.geometry=new THREE.CylinderGeometry(0.33,0,1,16,1);
+MathBox.Renderable.Mesh.prototype=_.extend(new MathBox.Renderable(null),{defaults:function(){return{type:"points",doubleSided:!0,dynamic:!1,absolute:!1,strip:!0,shaders:{}}},make:function(a){var b=this.get(),c=b.type,d=b.strip,e={points:THREE.ParticleSystem,line:THREE.Line,mesh:THREE.Mesh}[c];if(!e)throw"Invalid Mesh type '"+c+"'";a=this.material=a.generic(b);var f;f=this.points;f instanceof Array?(f=this.geometry=new THREE.Geometry,f.vertices=this.points):f=this.geometry=f;f.dynamic=b.dynamic;switch(c){case "line":b=
+new THREE.Line(f,a,d?THREE.LineStrip:THREE.LinePieces);break;default:b=new e(f,a)}this.object=b;this.refresh()},adjust:function(a){this.get().dynamic&&(this.geometry.verticesNeedUpdate=!0);MathBox.Renderable.prototype.adjust.call(this,a)}});MathBox.Renderable.ArrowHead=function(a,b,c,d){this.from=a;this.to=b;MathBox.Renderable.call(this,c,d)};MathBox.Renderable.ArrowHead.geometry=new THREE.CylinderGeometry(0.33,0,1,16,1);
 MathBox.Renderable.ArrowHead.prototype=_.extend(new MathBox.Renderable(null),{defaults:function(){return{offset:0,absolute:!0,size:0.1}},make:function(a){var b=this.get();a=this.material=a.generic(b);this._from=new THREE.Vector3;this._to=new THREE.Vector3;this.diff=new THREE.Vector3;this.bi=new THREE.Vector3;this.normal=new THREE.Vector3(0,0,1);b=this.geometry=MathBox.Renderable.ArrowHead.geometry;this.object=new THREE.Mesh(b,a);this.refresh()},isVisible:function(){return this.visible&&0<this.style.get("opacity")},
-adjust:function(a){var b=this.get(),c=b.offset,d=this._from.copy(this.from),e=this._to.copy(this.to);this.mathTransform.multiplyVector3(d);this.mathTransform.multiplyVector3(e);a.to(d);a.to(e);d=this.diff.sub(d,e);if(0.001>d.length())this.object.visible=!1;else{this.object.visible=this.visible;d=d.normalize();this.normal.x=this.diff.y+0.1;this.normal.y=this.diff.z+0.2;this.normal.z=this.diff.x+0.3;this.normal.normalize();var g=this.bi.cross(this.normal,this.diff).normalize(),h=this.normal.cross(this.bi,
-this.diff),b=b.size,e=(new THREE.Matrix4(g.x,d.x,h.x,e.x,g.y,d.y,h.y,e.y,g.z,d.z,h.z,e.z,0,0,0,1)).scale(new THREE.Vector3(b,b,b));this.object.updateMatrix();this.object.matrix.multiplySelf(e);e.identity().setPosition({x:0,y:0.5-c,z:0});this.object.matrix.multiplySelf(e);this.object.matrixAutoUpdate=!1;this.object.matrixWorldNeedsUpdate=!0;MathBox.Renderable.prototype.adjust.call(this,a)}}});
+adjust:function(a){var b=this.get(),c=b.offset,d=this._from.copy(this.from),e=this._to.copy(this.to);this.mathTransform.multiplyVector3(d);this.mathTransform.multiplyVector3(e);a.to(d);a.to(e);d=this.diff.sub(d,e);if(0.001>d.length())this.object.visible=!1;else{this.object.visible=this.visible;d=d.normalize();this.normal.x=this.diff.y+0.1;this.normal.y=this.diff.z+0.2;this.normal.z=this.diff.x+0.3;this.normal.normalize();var f=this.bi.cross(this.normal,this.diff).normalize(),h=this.normal.cross(this.bi,
+this.diff),b=b.size,e=(new THREE.Matrix4(f.x,d.x,h.x,e.x,f.y,d.y,h.y,e.y,f.z,d.z,h.z,e.z,0,0,0,1)).scale(new THREE.Vector3(b,b,b));this.object.updateMatrix();this.object.matrix.multiplySelf(e);e.identity().setPosition({x:0,y:0.5-c,z:0});this.object.matrix.multiplySelf(e);this.object.matrixAutoUpdate=!1;this.object.matrixWorldNeedsUpdate=!0;MathBox.Renderable.prototype.adjust.call(this,a)}}});
 MathBox.Renderable.Ticks=function(a,b,c,d,e){this.points=a;this.signs=b;this.epsilon=c;MathBox.Renderable.call(this,d,e)};
 MathBox.Renderable.Ticks.prototype=_.extend(new MathBox.Renderable(null),{defaults:function(){return{dynamic:!1,absolute:!1,size:0.1}},make:function(a){var b=this.get(),c=this.points;a=this.material=a.generic({type:"line",shaders:{position:function(a,c){c.position(a,b);a.snippet("tickVertexSplit");a.group();c.viewport(a);a.next();c.viewport(a);a.combine();a.snippet("tickVertexJoin")}}});var d=this.geometry=new THREE.Geometry;d.vertices=c;this.object=new THREE.Line(d,a,THREE.LinePieces);this.refresh()},
 adjust:function(a){var b=this.get();this.material&&this.material.applyAttributes({tickSign:this.signs});this.material&&this.material.applyUniforms({tickEpsilon:this.epsilon,tickSize:b.size});b.dynamic&&(this.material.attributes.tickSign.needsUpdate=!0,this.geometry.verticesNeedUpdate=!0);MathBox.Renderable.prototype.adjust.call(this,a)}});MathBox.Renderable.Labels=function(a,b,c,d,e){this.points=a;this.tangent=b;this.callback=c;this.sprites=[];MathBox.Renderable.call(this,d,e)};
 MathBox.Renderable.Labels.prototype=_.extend(new MathBox.Renderable(null),{defaults:function(){return{absolute:!0,distance:15,size:1}},make:function(a){this.get();var b=this.tangent,c=this.sprites;a=this.points.length;this._anchor=new THREE.Vector3;var d=document.createElement("div"),e=this.object=new MathBox.Sprite(d);d.className="mathbox-labels";_.loop(a,function(a){a=document.createElement("div");var d=document.createElement("div");a.appendChild(d);var k=new MathBox.Sprite(a,b);a.className="mathbox-label";
-d.className="mathbox-wrap";d.style.position="relative";d.style.display="inline-block";d.style.left="-50%";d.style.top="-.5em";c.push(k);e.add(k)})},adjust:function(a,b,c,d,e){var g=this.get(),h=this.points;b=this.sprites;var k=this.callback,f=g.decimals,l=this.style.get("opacity"),m=window.MathJax&&MathJax.Hub,n=1/Math.log(10);_.each(b,function(b,c){b.position.copy(h[c]);a.to(b.position);e.matrix.multiplyVector3(b.position);b.distance=g.distance;b.opacity=l;var d="";if(k){d=k(c);void 0===d&&(d="");
-if(+d==d){var q=+d;if(0!=q)var d=0>q?-1:1,q=Math.abs(q),u=Math.pow(10,f-1-Math.floor(Math.log(q)*n)),d=q=d*Math.round(u*q)/u}m||(d=(""+d).replace(/^-/,"\u2013"))}b.content!==d&&(q=b.element.children[0],b.content=d,b.measure=!0,m?(q.innerHTML="\\("+d+"\\)",MathJax.Hub.queue.Push(["Typeset",MathJax.Hub,q])):q.innerHTML=d)});MathBox.Renderable.prototype.adjust.call(this,a)}});
+d.className="mathbox-wrap";d.style.position="relative";d.style.display="inline-block";d.style.left="-50%";d.style.top="-.5em";c.push(k);e.add(k)})},adjust:function(a,b,c,d,e){var f=this.get(),h=this.points;b=this.sprites;var k=this.callback,g=f.decimals,l=this.style.get("opacity"),m=window.MathJax&&MathJax.Hub,n=1/Math.log(10);_.each(b,function(b,c){b.position.copy(h[c]);a.to(b.position);e.matrix.multiplyVector3(b.position);b.distance=f.distance;b.opacity=l;var d="";if(k){d=k(c);void 0===d&&(d="");
+if(+d==d){var q=+d;if(0!=q)var d=0>q?-1:1,q=Math.abs(q),u=Math.pow(10,g-1-Math.floor(Math.log(q)*n)),d=q=d*Math.round(u*q)/u}m||(d=(""+d).replace(/^-/,"\u2013"))}b.content!==d&&(q=b.element.children[0],b.content=d,b.measure=!0,m?(q.innerHTML="\\("+d+"\\)",MathJax.Hub.queue.Push(["Typeset",MathJax.Hub,q])):q.innerHTML=d)});MathBox.Renderable.prototype.adjust.call(this,a)}});
 MathBox.Viewport=function(a){if(null!==a){var b=this.defaults();a=_.extend(b,a||{});this.set(a);this.singleton="viewport";this._uniforms={}}};
 MathBox.Viewport.prototype={defaults:function(){return{type:"none",rotation:[0,0,0],position:[0,0,0]}},uniforms:function(){return this._uniforms},axis:function(a){return[0,1]},to:function(a){},from:function(a){},update:function(a){var b=this.get();_.each(["position","rotation"],function(c){a[c].set.apply(a[c],b[c])})},shader:function(a){a.snippet("mathToWorld")},validateRotation:function(a){return a.constructor==Array?(a=a.concat([0,0,0]),a.slice(0,3)):this.get("rotation")},validatePosition:function(a){return a.constructor==
 Array?(a=a.concat([0,0,0]),a.slice(0,3)):this.get("position")}};MathBox.Attributes.mixin(MathBox.Viewport,"type");MathBox.Viewport.types={};MathBox.Viewport.make=function(a){return new (MathBox.Viewport.types[a.type]||MathBox.Viewport.types.cartesian||MathBox.Viewport)(a)};
 MathBox.ViewportCartesian=function(a){if(null!==a){var b=MathBox.Viewport;b.call(this,a);this.super=b.prototype;this.transform=new THREE.Matrix4;this.inverse=new THREE.Matrix4;_.extend(this._uniforms,{viewportTransform:this.transform,viewportInverse:this.inverse})}};
-MathBox.ViewportCartesian.prototype=_.extend(new MathBox.Viewport(null),{defaults:function(){return{type:"cartesian",range:[[-1,1],[-1,1],[-1,1]],scale:[1,1,1],rotation:[0,0,0],position:[0,0,0]}},to:function(a){this.transform.multiplyVector3(a)},from:function(a){this.inverse.multiplyVector3(a)},axis:function(a){var b=this.get().range[a];a=b[0];var c=b[1],b=Math.min(a,c);a=Math.max(a,c);return[b,a]},update:function(a){var b=this.get(),c=b.range,d=b.scale,b=c[0][0],e=c[1][0],g=c[2][0],h=c[0][1]-b,k=
-c[1][1]-e,c=c[2][1]-g,f=d[0],l=d[1],d=d[2],m=[h/(2*f),0,0,b+h/2,0,k/(2*l),0,e+k/2,0,0,c/(2*d),g+c/2,0,0,0,1];this.transform.set.apply(this.transform,[2*f/h,0,0,-(2*b+h)*f/h,0,2*l/k,0,-(2*e+k)*l/k,0,0,2*d/c,-(2*g+c)*d/c,0,0,0,1]);this.inverse.set.apply(this.inverse,m);MathBox.Viewport.prototype.update.call(this,a)},validateRange:function(a){a=a||[];for(var b=0;3>b;++b){a[b]=a[b]||[];for(var c=0;2>c;++c)a[b][c]=void 0!==a[b][c]?a[b][c]:2*c-1}return a},validateScale:function(a){a=a||[];for(var b=0;3>
+MathBox.ViewportCartesian.prototype=_.extend(new MathBox.Viewport(null),{defaults:function(){return{type:"cartesian",range:[[-1,1],[-1,1],[-1,1]],scale:[1,1,1],rotation:[0,0,0],position:[0,0,0]}},to:function(a){this.transform.multiplyVector3(a)},from:function(a){this.inverse.multiplyVector3(a)},axis:function(a){var b=this.get().range[a];a=b[0];var c=b[1],b=Math.min(a,c);a=Math.max(a,c);return[b,a]},update:function(a){var b=this.get(),c=b.range,d=b.scale,b=c[0][0],e=c[1][0],f=c[2][0],h=c[0][1]-b,k=
+c[1][1]-e,c=c[2][1]-f,g=d[0],l=d[1],d=d[2],m=[h/(2*g),0,0,b+h/2,0,k/(2*l),0,e+k/2,0,0,c/(2*d),f+c/2,0,0,0,1];this.transform.set.apply(this.transform,[2*g/h,0,0,-(2*b+h)*g/h,0,2*l/k,0,-(2*e+k)*l/k,0,0,2*d/c,-(2*f+c)*d/c,0,0,0,1]);this.inverse.set.apply(this.inverse,m);MathBox.Viewport.prototype.update.call(this,a)},validateRange:function(a){a=a||[];for(var b=0;3>b;++b){a[b]=a[b]||[];for(var c=0;2>c;++c)a[b][c]=void 0!==a[b][c]?a[b][c]:2*c-1}return a},validateScale:function(a){a=a||[];for(var b=0;3>
 b;++b)a[b]=a[b]||1;return a}});MathBox.Attributes.mixin(MathBox.Viewport);MathBox.Viewport.types.cartesian=MathBox.ViewportCartesian;MathBox.ViewportPolar=function(a){var b=MathBox.ViewportCartesian;b.call(this,a);this.super=b.prototype;_.extend(this._uniforms,{polarAlpha:0,polarAspect:1,polarPower:1,polarFold:1,polarFocus:1,polarHelix:0})};
-MathBox.ViewportPolar.prototype=_.extend(new MathBox.ViewportCartesian(null),{defaults:function(){return{type:"polar",range:[[-1,1],[-1,1],[-1,1]],polar:1,fold:1,power:1,helix:0,scale:[1,1,1],rotation:[0,0,0],position:[0,0,0]}},to:function(a){var b=this._uniforms.polarAspect,c=this._uniforms.polarFocus,d=this._uniforms.polarAlpha,e=this._uniforms.polarPower,g=this._uniforms.polarHelix;a.x*=this._uniforms.polarFold;a.y=Math.sign(a.y)*Math.pow(Math.abs(a.y),e);if(1E-4<d){var e=c+a.y*b,h=a.x*d;a.z+=
-a.x*g*d;a.x=Math.sin(h)*e;a.y=(Math.cos(h)*e-c)/b}this.transform.multiplyVector3(a)},from:function(a){var b=this._uniforms.polarAspect,c=this._uniforms.polarFocus,d=this._uniforms.polarAlpha,e=this._uniforms.polarFold,g=this._uniforms.polarPower,h=this._uniforms.polarHelix;this.inverse.multiplyVector3(a);if(1E-4<d){var k=a.x,f=a.y*b+c,l=Math.sqrt(k*k+f*f);theta=Math.atan2(k,f);a.x=theta/d;a.y=(l-c)/b;a.z-=a.x*h*d}a.x/=e;a.y=Math.sign(a.y)*Math.pow(Math.abs(a.y),1/g)},axis:function(a){var b=this.super.axis.call(this,
-a);min=b[0];max=b[1];alpha=this._uniforms.polarAlpha;aspect=this._uniforms.polarAspect;focus=this._uniforms.polarFocus;1==a&&0<alpha&&(max=Math.max(Math.abs(max),Math.abs(min)),min=Math.max(-focus/aspect+0.001,min));return[min,max]},update:function(a){var b=this.get(),c=b.range,d=b.scale,e=b.polar,g=b.fold,h=b.power,b=b.helix,k=1,f=c[0][0],l=c[1][0],m=c[2][0],n=c[0][1]-f,t=c[1][1]-l,c=c[2][1]-m,s=d[0],r=d[1],d=d[2],k=0<n?1:-1,q=Math.abs(t),q=n+(q*k-n)*e,k=Math.abs(q/s/(t/r)),u=[q/(2*s),0,0,f+n/2,
-0,t/(2*r),0,l+t/2,0,0,c/(2*d),m+c/2,0,0,0,1];this.transform.set.apply(this.transform,[2*s/q,0,0,-(2*f+n)*s/n,0,2*r/t,0,-(2*l+t)*r/t,0,0,2*d/c,-(2*m+c)*d/c,0,0,0,1]);this.inverse.set.apply(this.inverse,u);this._uniforms.polarAlpha=e;this._uniforms.polarAspect=k;this._uniforms.polarFold=g;this._uniforms.polarPower=h;this._uniforms.polarFocus=0<e?1/e-1:0;this._uniforms.polarHelix=b;MathBox.Viewport.prototype.update.call(this,a)},shader:function(a){a.snippet("polarPower").snippet("cartesianToPolar").snippet("mathToWorld")},
+MathBox.ViewportPolar.prototype=_.extend(new MathBox.ViewportCartesian(null),{defaults:function(){return{type:"polar",range:[[-1,1],[-1,1],[-1,1]],polar:1,fold:1,power:1,helix:0,scale:[1,1,1],rotation:[0,0,0],position:[0,0,0]}},to:function(a){var b=this._uniforms.polarAspect,c=this._uniforms.polarFocus,d=this._uniforms.polarAlpha,e=this._uniforms.polarPower,f=this._uniforms.polarHelix;a.x*=this._uniforms.polarFold;a.y=Math.sign(a.y)*Math.pow(Math.abs(a.y),e);if(1E-4<d){var e=c+a.y*b,h=a.x*d;a.z+=
+a.x*f*d;a.x=Math.sin(h)*e;a.y=(Math.cos(h)*e-c)/b}this.transform.multiplyVector3(a)},from:function(a){var b=this._uniforms.polarAspect,c=this._uniforms.polarFocus,d=this._uniforms.polarAlpha,e=this._uniforms.polarFold,f=this._uniforms.polarPower,h=this._uniforms.polarHelix;this.inverse.multiplyVector3(a);if(1E-4<d){var k=a.x,g=a.y*b+c,l=Math.sqrt(k*k+g*g);theta=Math.atan2(k,g);a.x=theta/d;a.y=(l-c)/b;a.z-=a.x*h*d}a.x/=e;a.y=Math.sign(a.y)*Math.pow(Math.abs(a.y),1/f)},axis:function(a){var b=this.super.axis.call(this,
+a);min=b[0];max=b[1];alpha=this._uniforms.polarAlpha;aspect=this._uniforms.polarAspect;focus=this._uniforms.polarFocus;1==a&&0<alpha&&(max=Math.max(Math.abs(max),Math.abs(min)),min=Math.max(-focus/aspect+0.001,min));return[min,max]},update:function(a){var b=this.get(),c=b.range,d=b.scale,e=b.polar,f=b.fold,h=b.power,b=b.helix,k=1,g=c[0][0],l=c[1][0],m=c[2][0],n=c[0][1]-g,t=c[1][1]-l,c=c[2][1]-m,s=d[0],r=d[1],d=d[2],k=0<n?1:-1,q=Math.abs(t),q=n+(q*k-n)*e,k=Math.abs(q/s/(t/r)),u=[q/(2*s),0,0,g+n/2,
+0,t/(2*r),0,l+t/2,0,0,c/(2*d),m+c/2,0,0,0,1];this.transform.set.apply(this.transform,[2*s/q,0,0,-(2*g+n)*s/n,0,2*r/t,0,-(2*l+t)*r/t,0,0,2*d/c,-(2*m+c)*d/c,0,0,0,1]);this.inverse.set.apply(this.inverse,u);this._uniforms.polarAlpha=e;this._uniforms.polarAspect=k;this._uniforms.polarFold=f;this._uniforms.polarPower=h;this._uniforms.polarFocus=0<e?1/e-1:0;this._uniforms.polarHelix=b;MathBox.Viewport.prototype.update.call(this,a)},shader:function(a){a.snippet("polarPower").snippet("cartesianToPolar").snippet("mathToWorld")},
 validatePolar:function(a){return Math.max(0,Math.min(1,+a||0))},validateFold:function(a){return+a||0},validatePower:function(a){return+a||0},validateHelix:function(a){return+a||0}});MathBox.Attributes.mixin(MathBox.Viewport);MathBox.Viewport.types.polar=MathBox.ViewportPolar;MathBox.ViewportProjective=function(a){var b=MathBox.ViewportCartesian;b.call(this,a);this.super=b.prototype;_.extend(this._uniforms,{projectiveTransform:new THREE.Matrix4,projectiveInverse:new THREE.Matrix4})};
 MathBox.ViewportProjective.prototype=_.extend(new MathBox.ViewportCartesian(null),{defaults:function(){return{type:"projective",range:[[-1,1],[-1,1],[-1,1]],scale:[1,1,1],rotation:[0,0,0],position:[0,0,0],projective:[[1,0,0,0],[0,1,0,0],[0,0,1,0],[0,0,0,1]]}},to:function(a){this._uniforms.projectiveTransform.multiplyVector3(a);this.transform.multiplyVector3(a)},from:function(a){this.inverse.multiplyVector3(a);this._uniforms.projectiveInverse.multiplyVector3(a)},update:function(a){var b=this._uniforms.projectiveTransform,
 c=this.get("projective");b.set.apply(b,c[0].concat(c[1],c[2],c[3]));this._uniforms.projectiveInverse.getInverse(b);MathBox.ViewportCartesian.prototype.update.call(this,a)},shader:function(a){a.snippet("projectiveTransform").snippet("mathToWorld")},validateProjective:function(a){if(a.constructor==Array){for(var b=0;3>b;++b)a[b]=a[b]&&a.constructor==Array&&a[b]||[],a[b]=a[b].concat([0,0,0,0]).slice(0,4);return a}}});MathBox.Attributes.mixin(MathBox.Viewport);MathBox.Viewport.types.projective=MathBox.ViewportProjective;
 MathBox.ViewportSphere=function(a){var b=MathBox.ViewportCartesian;b.call(this,a);this.super=b.prototype;_.extend(this._uniforms,{sphereAlpha:0,sphereAspectX:1,sphereAspectY:1,sphereYScale:1,sphereFocus:1})};
-MathBox.ViewportSphere.prototype=_.extend(new MathBox.ViewportCartesian(null),{defaults:function(){return{type:"sphere",range:[[-1,1],[-1,1],[-1,1]],sphere:1,scale:[1,1,1],rotation:[0,0,0],position:[0,0,0]}},to:function(a){var b=this._uniforms.sphereAspectX,c=this._uniforms.sphereAspectY,d=this._uniforms.sphereYScale,e=this._uniforms.sphereFocus,g=this._uniforms.sphereAlpha;if(1E-4<g){var h=e+a.z*b,k=a.x*g,d=a.y*g/c*d,g=Math.cos(d)*h;a.x=Math.sin(k)*g;a.y=Math.sin(d)*h*c;a.z=(Math.cos(k)*g-e)/b}this.transform.multiplyVector3(a)},
-from:function(a){var b=this._uniforms.sphereAspectX,c=this._uniforms.sphereAspectY,d=this._uniforms.sphereYScale,e=this._uniforms.sphereFocus,g=this._uniforms.sphereAlpha;this.inverse.multiplyVector3(a);if(1E-4<g){var h=a.x,k=a.y/c,f=a.z*b+e,l=Math.sqrt(h*h+k*k+f*f),k=Math.atan2(k,Math.sqrt(h*h+f*f)),h=Math.atan2(h,f);a.x=h/g;a.y=k/g*c/d;a.z=(l-e)/b}},axis:function(a){var b=this.super.axis.call(this,a);min=b[0];max=b[1];alpha=this._uniforms.sphereAlpha;beta=this._uniforms.sphereBeta;aspectX=this._uniforms.sphereAspectX;
-aspectY=this._uniforms.sphereAspectY;focus=this._uniforms.sphereFocus;2==a&&0<alpha&&(max=Math.max(Math.abs(max),Math.abs(min)),min=Math.max(-focus/aspectX,min));return[min,max]},update:function(a){var b=this.get(),c=b.range,d=b.scale,b=b.sphere,e=0<b?1/b-1:0,g=c[0][0],h=c[1][0],k=c[2][0],f=c[0][1]-g,l=c[1][1]-h,c=c[2][1]-k,m=d[0],n=d[1],d=d[2],t=0<f?1:-1,s=0<l?1:-1,r=Math.abs(c),t=f+(r*t-f)*b,s=l+(r*s-l)*b,r=c/d;aspectX=t/m/r;aspectY=s/n/r/aspectX;aspectZ=l/f*m/n*2;yScale=Math.min(aspectY/b,1+(aspectZ-
-1)*b);r=[t/(2*m),0,0,g+f/2,0,s/(2*n),0,h+l/2,0,0,c/(2*d),k+c/2,0,0,0,1];this.transform.set.apply(this.transform,[2*m/t,0,0,-(2*g+f)*m/f,0,2*n/s,0,-(2*h+l)*n/l,0,0,2*d/c,-(2*k+c)*d/c,0,0,0,1]);this.inverse.set.apply(this.inverse,r);this._uniforms.sphereAlpha=b;this._uniforms.sphereAspectX=aspectX;this._uniforms.sphereAspectY=aspectY;this._uniforms.sphereYScale=yScale;this._uniforms.sphereFocus=e;MathBox.Viewport.prototype.update.call(this,a)},shader:function(a){a.snippet("cartesianToSphere").snippet("mathToWorld")},
+MathBox.ViewportSphere.prototype=_.extend(new MathBox.ViewportCartesian(null),{defaults:function(){return{type:"sphere",range:[[-1,1],[-1,1],[-1,1]],sphere:1,scale:[1,1,1],rotation:[0,0,0],position:[0,0,0]}},to:function(a){var b=this._uniforms.sphereAspectX,c=this._uniforms.sphereAspectY,d=this._uniforms.sphereYScale,e=this._uniforms.sphereFocus,f=this._uniforms.sphereAlpha;if(1E-4<f){var h=e+a.z*b,k=a.x*f,d=a.y*f/c*d,f=Math.cos(d)*h;a.x=Math.sin(k)*f;a.y=Math.sin(d)*h*c;a.z=(Math.cos(k)*f-e)/b}this.transform.multiplyVector3(a)},
+from:function(a){var b=this._uniforms.sphereAspectX,c=this._uniforms.sphereAspectY,d=this._uniforms.sphereYScale,e=this._uniforms.sphereFocus,f=this._uniforms.sphereAlpha;this.inverse.multiplyVector3(a);if(1E-4<f){var h=a.x,k=a.y/c,g=a.z*b+e,l=Math.sqrt(h*h+k*k+g*g),k=Math.atan2(k,Math.sqrt(h*h+g*g)),h=Math.atan2(h,g);a.x=h/f;a.y=k/f*c/d;a.z=(l-e)/b}},axis:function(a){var b=this.super.axis.call(this,a);min=b[0];max=b[1];alpha=this._uniforms.sphereAlpha;beta=this._uniforms.sphereBeta;aspectX=this._uniforms.sphereAspectX;
+aspectY=this._uniforms.sphereAspectY;focus=this._uniforms.sphereFocus;2==a&&0<alpha&&(max=Math.max(Math.abs(max),Math.abs(min)),min=Math.max(-focus/aspectX,min));return[min,max]},update:function(a){var b=this.get(),c=b.range,d=b.scale,b=b.sphere,e=0<b?1/b-1:0,f=c[0][0],h=c[1][0],k=c[2][0],g=c[0][1]-f,l=c[1][1]-h,c=c[2][1]-k,m=d[0],n=d[1],d=d[2],t=0<g?1:-1,s=0<l?1:-1,r=Math.abs(c),t=g+(r*t-g)*b,s=l+(r*s-l)*b,r=c/d;aspectX=t/m/r;aspectY=s/n/r/aspectX;aspectZ=l/g*m/n*2;yScale=Math.min(aspectY/b,1+(aspectZ-
+1)*b);r=[t/(2*m),0,0,f+g/2,0,s/(2*n),0,h+l/2,0,0,c/(2*d),k+c/2,0,0,0,1];this.transform.set.apply(this.transform,[2*m/t,0,0,-(2*f+g)*m/g,0,2*n/s,0,-(2*h+l)*n/l,0,0,2*d/c,-(2*k+c)*d/c,0,0,0,1]);this.inverse.set.apply(this.inverse,r);this._uniforms.sphereAlpha=b;this._uniforms.sphereAspectX=aspectX;this._uniforms.sphereAspectY=aspectY;this._uniforms.sphereYScale=yScale;this._uniforms.sphereFocus=e;MathBox.Viewport.prototype.update.call(this,a)},shader:function(a){a.snippet("cartesianToSphere").snippet("mathToWorld")},
 validateSphere:function(a){return Math.max(0,Math.min(1,+a||0))}});MathBox.Attributes.mixin(MathBox.Viewport);MathBox.Viewport.types.sphere=MathBox.ViewportSphere;
diff --git a/build/MathBox.glsl.html b/build/MathBox.glsl.html
index cdbbd95..9127ec8 100644
--- a/build/MathBox.glsl.html
+++ b/build/MathBox.glsl.html
@@ -504,3 +504,31 @@
   gl_Position = vec4(xy, 1.0, 1.0);
 }
 </script>
+
+<script type="application/x-glsl" id="raytrace-vertex-screen">
+uniform vec2 raytraceViewport;
+uniform vec3 raytracePosition;
+uniform mat4 raytraceMatrix;
+
+varying vec2 vUV;
+varying vec3 vRay;
+
+void main() {
+  // Set UV for lookup
+  vUV = uv;
+
+  // Convert UV to absolute XY.
+  vec2 xy = uv * 2.0 - 1.0;
+
+  // Draw at end of clip space to allow occlusion.
+  gl_Position = vec4(xy, 1.0, 1.0);
+
+  // Calculate ray in world space
+  vRay =
+    (raytraceMatrix * vec4(
+      raytraceViewport * (vUV * 2.0 - 1.0),
+      -1.0,
+      1.0)
+    ).xyz;
+}
+</script>
\ No newline at end of file
diff --git a/build/MathBox.js b/build/MathBox.js
index 97efc30..c5c31ef 100644
--- a/build/MathBox.js
+++ b/build/MathBox.js
@@ -569,26 +569,14 @@ ThreeBox.preload.html = function (file, name, callback) {
     var match;
 
     // Insert javascript directly
-    while (match = res.match(/^(<script\s*>|<script[^>]*type=['"]text\/javascript['"][^>]*>)([\s\S]+?)<\/script>$/m)) {
-      try {
-        /*
-        var script = document.createElement('script');
-        script.type = 'text/javascript';
-        script.innerHTML = match[2];
-        document.body.appendChild(script);
-        */
-        eval('(function () {' + match[2] + '})()');
-      }
-      catch (e) {
-        console.error(e);
-        console.error('While evaluating: ' + match[2]);
-      }
-
-      res = res.replace(match[0], '');
+    if (match = res.match(/^<script[^>]*type=['"]text\/javascript['"][^>]*>([\s\S]+?)<\/script>$/m)) {
+      var script = document.createElement('script');
+      script.type = 'text/javascript';
+      script.innerHTML = match[1];
+      document.body.appendChild(script);
     }
-
     // Insert HTML via div
-    if (res.replace(/\s*/g) != '') {
+    else {
       var div = document.createElement('div');
       div.innerHTML = res;
       document.body.appendChild(div);
@@ -636,12 +624,13 @@ ThreeBox.preload.audio = function (file, name, callback) {
 
 // Namespace
 window.ThreeRTT = window.ThreeRTT || {};
+ThreeRTT.World = function () {};
 
 // Fetch shader from <script> tag by id
 // or pass through string if not exists.
 ThreeRTT.getShader = function (id) {
   var elem = document.getElementById(id);
-  return elem && elem.textContent || id;
+  return elem && elem.innerText || id;
 };
 
 // Simple loop helper
@@ -652,7 +641,7 @@ _.loop = function (n, callback) {
 // Fetch shader from <script> tag by id
 ThreeRTT.getShader = function (id) {
   var elem = document.getElementById(id);
-  return elem && elem.textContent || id;
+  return elem && (elem.innerText || elem.textContent) || id;
 };
 // Check for a power of two.
 ThreeRTT.isPowerOfTwo = function (value) {
@@ -701,9 +690,7 @@ ThreeRTT.Stage = function (renderer, options) {
   options.camera.aspect = options.camera.aspect || (options.width / options.height);
 
   // Create internal scene and default camera.
-  this.scene = options.scene || new THREE.Scene();
   this.camera = ThreeRTT.Camera(options.camera);
-	this.scene.add(this.camera);
 
   // Create virtual render target, passthrough options.
   this.target = new ThreeRTT.RenderTarget(renderer, options);
@@ -722,23 +709,15 @@ ThreeRTT.Stage.prototype = {
   },
 
   reset: function () {
-    if (this.renderables) {
-      _.each(this.renderables, function (surface) {
-        this.scene.remove(surface);
-      }.bind(this));
-    }
-
+    this.scenes   = [];
     this.passes   = [];
-    this.renderables = [];
   },
 
   // Add object render pass
   paint: function (object, empty) {
 
     // Create root to hold all objects for this pass
-    var root = new THREE.Object3D();
-    root.frustumCulled = false;
-    root.visible = true;
+    var root = new THREE.Scene();
 
     // Create a surface to render the last frame
     if (!empty) {
@@ -751,9 +730,8 @@ ThreeRTT.Stage.prototype = {
     root.add(object);
 
     // Add root to scene and insert into pass list
-    this.scene.add(root);
+    this.scenes.push(root);
     this.passes.push(1);
-    this.renderables.push(root);
   },
 
   // Add iteration pass
@@ -761,12 +739,14 @@ ThreeRTT.Stage.prototype = {
 
     // Create a surface to render the pass with
     var surface = this._surface(material);
-    surface.visible = false;
+
+    // Create root to hold all objects for this pass
+    var root = new THREE.Scene();
+    root.add(surface);
 
     // Add surface to scene and insert into pass list
-    this.scene.add(surface);
+    this.scenes.push(root);
     this.passes.push(n);
-    this.renderables.push(surface);
 
     return this;
   },
@@ -782,7 +762,10 @@ ThreeRTT.Stage.prototype = {
   size: function (width, height) {
     width = Math.floor(width);
     height = Math.floor(height);
+
     this.camera.aspect = width / height;
+    this.camera.updateProjectionMatrix();
+
     this.target.size(width, height);
     return this;
   },
@@ -801,17 +784,10 @@ ThreeRTT.Stage.prototype = {
   render: function () {
 	  this.target.clear();
 
-    function toggle(object, value) {
-      object.visible = value;
-      _.each(object.children, function (object) { toggle(object, value); });
-    }
-
     _.each(this.passes, function (n, i) {
-      toggle(this.renderables[i], true);
-      _.loop(n, function (i) {
-        this.target.render(this.scene, this.camera);
+      _.loop(n, function (j) {
+        this.target.render(this.scenes[i], this.camera);
       }.bind(this));
-      toggle(this.renderables[i], false);
     }.bind(this));
 
     return this;
@@ -827,7 +803,8 @@ ThreeRTT.Stage.prototype = {
   destroy: function () {
     this.target.deallocate();
 
-    this.scene = null;
+    this.scenes = [];
+    this.passes = [];
     this.camera = null;
     this.target = null;
   },
@@ -863,7 +840,7 @@ ThreeRTT.Compose.prototype = new THREE.Object3D();
 // Handy Camera factory
 ThreeRTT.Camera = function (options) {
   // Camera passthrough
-  if (options.constructor instanceof THREE.Camera) return options;
+  if (options instanceof THREE.Camera) return options;
 
   // Defaults
   options = _.extend({
@@ -981,10 +958,10 @@ ThreeRTT.RenderTarget.prototype = {
 
   // Retrieve / change size
   size: function (width, height) {
-    if (width && height) {
+    if (width !== undefined && height !== undefined) {
       // Round floats to ints to help with half/quarter derived sizes.
-      this.width = width = Math.floor(width);
-      this.height = height = Math.floor(height);
+      this.width = width = Math.max(1, Math.floor(width));
+      this.height = height = Math.max(1, Math.floor(height));
 
       // Refresh/allocate targets.
       this.allocate();
@@ -1009,7 +986,7 @@ ThreeRTT.RenderTarget.prototype = {
   deallocateTargets: function () {
     // Deallocate real targets that were used in rendering.
     _.each(this.targets || [], function (target) {
-      this.renderer.deallocateRenderTarget(target);
+      target.dispose();
     }.bind(this));
   },
 
@@ -1099,8 +1076,8 @@ ThreeRTT.RenderTarget.prototype = {
     var alpha = renderer.getClearAlpha();
 
     // Apple new clearing color
-    renderer.setClearColorHex(options.clearColor, options.clearAlpha);
-    renderer.clearTarget(this.write(), clear.color, clear.stencil, clear.depth);
+    renderer.setClearColor(options.clearColor, options.clearAlpha);
+    renderer.clearTarget(this.write(), clear.color, clear.depth, clear.stencil);
 
     // Reset state
     renderer.setClearColor(color, alpha);
@@ -1278,9 +1255,9 @@ ThreeRTT.FragmentMaterial = function (renderTargets, fragmentShader, textures, u
   return material;
 };
 /**
- * Specialized ShaderMaterial for downsampling a texture by a factor of 2 with anti-aliasing.
+ * Specialized ShaderMaterial for up/downsampling a texture by a factor of 2 with anti-aliasing.
  */
-ThreeRTT.DownsampleMaterial = function (renderTargetFrom, renderTargetTo) {
+ThreeRTT.ScaleMaterial = function (renderTargetFrom, renderTargetTo, scale) {
   var uniforms = {};
 
   // Accept both Stage and RenderTarget classes
@@ -1305,8 +1282,8 @@ ThreeRTT.DownsampleMaterial = function (renderTargetFrom, renderTargetTo) {
         to = renderTargetTo;
 
     // Correction for odd downsample.
-    var dx = (to.width * 2) / from.width,
-        dy = (to.height * 2) / from.height;
+    var dx = (to.width * scale) / from.width,
+        dy = (to.height * scale) / from.height;
 
     var value = uniforms.sampleAlignment.value;
     value.x = dx;
@@ -1328,75 +1305,64 @@ ThreeRTT.DownsampleMaterial = function (renderTargetFrom, renderTargetTo) {
   material.blending = THREE.NoBlending;
 
   return material;
-};/**
+};
+
+/**
+ * Helper classes
+ */
+ThreeRTT.DownsampleMaterial = function (renderTargetFrom, renderTargetTo) {
+  return new ThreeRTT.ScaleMaterial(renderTargetFrom, renderTargetTo, 2);
+}
+ThreeRTT.UpsampleMaterial = function (renderTargetFrom, renderTargetTo) {
+  return new ThreeRTT.ScaleMaterial(renderTargetFrom, renderTargetTo, 0.5);
+}
+/**
  * Helper for making ShaderMaterials that raytrace in camera space per pixel.
  */
-ThreeRTT.RaytraceMaterial = function (renderTarget, fragmentShader, textures, uniforms) {
-
-  // Autoname texture uniforms as texture1, texture2, ...
-  function textureName(j) {
-    return 'texture' + (j + 1);
-  }
+ThreeRTT.RaytraceMaterial = function (renderTargets, camera, fragmentShader, textures, uniforms) {
 
-  // Allow for array of textures.
-  if (textures instanceof Array) {
-    var object = {};
-    _.each(textures, function (texture, j) {
-      // Autoname texture uniforms as texture1, texture2, ...
-      var key = textureName(j);
-      object[key] = texture;
-    });
-  }
-  // Allow passing single texture/object
-  else if (textures instanceof THREE.Texture
-        || textures instanceof ThreeRTT.World
-        || textures instanceof THREE.WebGLRenderTarget) {
-    textures = { texture1: textures };
+  // Accept one or more render targets as input for reading.
+  if (!(renderTargets instanceof Array)) {
+    renderTargets = [renderTargets];
   }
 
-  // Accept both Stage and RenderTarget classes
-  renderTarget = ThreeRTT.toTarget(renderTarget);
+  var material = new ThreeRTT.ShaderMaterial(
+                  renderTargets, 'raytrace-vertex-screen', fragmentShader, textures, uniforms);
 
   // Add camera uniforms.
-  uniforms = _.extend(uniforms || {}, {
-    cameraViewport: {
+  uniforms = _.extend(material.uniforms || {}, {
+    raytraceViewport: {
       type: 'v2',
-      value: new THREE.Vector2()//,
+      value: new THREE.Vector2(),
+    },
+    raytracePosition: {
+      type: 'v3',
+      value: new THREE.Vector3(),
     },
-    cameraWorld: {
+    raytraceMatrix: {
       type: 'm4',
-      value: new THREE.Matrix4()//,
-    }//,
-  });
-
-  // Make uniforms for input textures.
-  var i = 0;
-  _.each(textures || [], function (texture, key) {
-    uniforms[key] = {
-      type: 't',
-      value: i++,
-      texture: ThreeRTT.toTexture(texture)//,
-    };
+      value: new THREE.Matrix4(),
+    },
   });
 
   // Update camera uniforms on render.
-  renderTarget.on('render', function (scene, camera) {
+  var renderTarget = ThreeRTT.toTarget(renderTargets[0]);
+  var zero = new THREE.Vector3();
+  renderTarget.on('render', function (scene) {
     camera.updateMatrixWorld();
     if (camera.fov) {
       var tan = Math.tan(camera.fov * π / 360);
-      uniforms.cameraViewport.value.set(tan * camera.aspect, tan);
+      uniforms.raytraceViewport.value.set(tan * camera.aspect, tan);
     }
     if (camera.matrixWorld) {
-      uniforms.cameraWorld.value = camera.matrixWorld;
+      uniforms.raytraceMatrix.value.copy(camera.matrixWorld);
+      uniforms.raytraceMatrix.value.setPosition(zero);
+      uniforms.raytracePosition.value.getPositionFromMatrix(camera.matrixWorld);
     }
   });
 
   // Lookup shaders and build material
-  return new THREE.ShaderMaterial({
-    uniforms:       uniforms,
-    vertexShader:   ThreeRTT.getShader('generic-vertex-screen'),
-    fragmentShader: ThreeRTT.getShader(fragmentShader)//,
-  });
+  return material;
 };/**
  * Debug/testing helper that displays the given rendertargets in a grid
  */
@@ -1490,8 +1456,8 @@ ThreeRTT.World  = function (world, options) {
   this._stage = new ThreeRTT.Stage(this._renderer, options);
 
   // Expose scene and camera
-  this._scene  = this._stage.scene;
-  this._camera = this._stage.camera;
+  this._tScene  = this._stage.scene;
+  this._tCamera = this._stage.camera;
 
   // Add to RTT queue at specified order.
   this.queue = ThreeRTT.RenderQueue.bind(world);
@@ -1603,6 +1569,17 @@ ThreeRTT.World.prototype = _.extend(new THREE.Object3D(), tQuery.World.prototype
     return this;
   },
 
+  // Add a shader rendering pass
+  shader: function (vertexShader, fragmentShader, textures, uniforms) {
+    var material = vertexShader instanceof THREE.Material
+                 ? vertexShader
+                 : tQuery.createShaderMaterial(
+                    this, vertexShader, fragmentShader, textures, uniforms);
+
+    this._stage.fragment(material);
+    return this;
+  },
+
   // Add a fragment rendering pass
   fragment: function (fragmentShader, textures, uniforms) {
     var material = fragmentShader instanceof THREE.Material
@@ -1615,11 +1592,11 @@ ThreeRTT.World.prototype = _.extend(new THREE.Object3D(), tQuery.World.prototype
   },
 
   // Add a raytrace rendering pass
-  raytrace: function (fragmentShader, textures, uniforms) {
+  raytrace: function (camera, fragmentShader, textures, uniforms) {
     var material = fragmentShader instanceof THREE.Material
                  ? fragmentShader
                  : tQuery.createRaytraceMaterial(
-                    this, fragmentShader, textures, uniforms);
+                    this, camera, fragmentShader, textures, uniforms);
 
     this._stage.fragment(material);
     return this;
@@ -1644,6 +1621,25 @@ ThreeRTT.World.prototype = _.extend(new THREE.Object3D(), tQuery.World.prototype
     return this;
   },
 
+  // Add an upsample rendering pass
+  upsample: function (worldFrom) {
+    // Force this world to right size now if not autosizing
+    if (!worldFrom.autoSize()) {
+      var size = worldFrom.size();
+      this._options.width = size.width;
+      this._options.height = size.height;
+    }
+
+    // Force this world to right scale (will autosize)
+    var scale = worldFrom.scale();
+    this.scale(scale * 0.5);
+
+    var material = tQuery.createUpsampleMaterial(worldFrom, this);
+    this._stage.fragment(material);
+
+    return this;
+  },
+
   // Return the virtual texture for reading from this RTT stage.
   read: function (n) {
     return this._stage.read(n);
@@ -1763,7 +1759,7 @@ tQuery.World.registerInstance('rtt', function (options) {
 });
 
 /**
- * Add a surface showing a render-to-texture surface to this world.
+ * Add a surface composing a render-to-texture to the screen.
  */
 tQuery.World.registerInstance('compose', function (rtts, fragmentShader, textures, uniforms) {
   var compose = tQuery.createComposeRTT(rtts, fragmentShader, textures, uniforms);
@@ -1819,8 +1815,8 @@ tQuery.registerStatic('createFragmentMaterial', function (worlds, fragmentShader
 /**
  * Create a RaytraceMaterial.
  */
-tQuery.registerStatic('createRaytraceMaterial', function (world, fragmentShader, textures, uniforms) {
-  return new ThreeRTT.RaytraceMaterial(world, fragmentShader, textures, uniforms);
+tQuery.registerStatic('createRaytraceMaterial', function (world, camera, fragmentShader, textures, uniforms) {
+  return new ThreeRTT.RaytraceMaterial(world, camera, fragmentShader, textures, uniforms);
 });
 
 /**
@@ -1829,6 +1825,20 @@ tQuery.registerStatic('createRaytraceMaterial', function (world, fragmentShader,
 tQuery.registerStatic('createDownsampleMaterial', function (worldFrom, worldTo) {
   return new ThreeRTT.DownsampleMaterial(worldFrom, worldTo);
 });
+
+/**
+ * Create a UpsampleMaterial.
+ */
+tQuery.registerStatic('createUpsampleMaterial', function (worldFrom, worldTo) {
+  return new ThreeRTT.UpsampleMaterial(worldFrom, worldTo);
+});
+
+/**
+ * Create a ScaleMaterial.
+ */
+tQuery.registerStatic('createScaleMaterial', function (worldFrom, worldTo, scale) {
+  return new ThreeRTT.DownsampleMaterial(worldFrom, worldTo, scale);
+});
 /**
  * ShaderGraph.js. Assemble GLSL shaders on the fly.
  */
@@ -1848,7 +1858,7 @@ window.ShaderGraph = {};
 // Fetch shader from <script> tag by id
 ShaderGraph.getShader = function (id) {
   var elem = document.getElementById(id);
-  return elem && elem.textContent || id;
+  return elem && (elem.innerText || elem.textContent) || id;
 };(function ($) {
 
 /**
@@ -1884,8 +1894,21 @@ $.Block.prototype = {
   },
 
   fetch: function (program, phase, outlet, priority) {
-    // add outlet code to program
-  }//,
+    // Add outlet output code to program
+  },
+
+  id: function (program, phase, outlet, priority) {
+    // Lookup inouts further up the chain
+    if (outlet.meta.inout) {
+      var input = outlet.node.get(outlet.name, $.IN).input;
+      if (input) {
+        return input.node.owner().fetch(program, phase, input, priority + 1);
+      }
+    }
+
+    // Use this outlet's ID as intermediate variable name
+    return outlet.id();
+  },
 
 };
 
@@ -1910,13 +1933,14 @@ $.Block.Snippet.prototype = _.extend({}, $.Block.prototype, {
     if (!program.include(this, phase)) {
       this.insert(program, phase, priority);
     }
+
     // Use this outlet's ID as intermediate variable name.
-    return outlet.id();
+    return this.id(program, phase, outlet, priority);
   },
 
   outlets: function () {
     return $.Block.Snippet.makeOutlets(this.snippet);
-  }//,
+  },
 
 });
 
@@ -1964,7 +1988,7 @@ $.Block.Material.prototype = _.extend({}, $.Block.prototype, {
     }
 
     // Use this outlet's ID as intermediate variable name.
-    return outlet.id();
+    return this.id(program, phase, outlet, priority);
   },
 
   outlets: function () {
@@ -1972,7 +1996,7 @@ $.Block.Material.prototype = _.extend({}, $.Block.prototype, {
     var fragment = $.Block.Snippet.makeOutlets(this.fragment);
 
     return _.union(vertex, fragment);
-  }//,
+  },
 
 });
 
@@ -1990,13 +2014,27 @@ $.Block.Snippet.makeOutlets = function (snippet) {
   var args = snippet.arguments();
 
   _.each(args.parameters, function (arg) {
+    // Strip in/out suffix and set meta data
+    arg = _.extend({}, arg);
     arg.meta = { required: true };
     arg.hint = arg.name.replace(/(In|Out)$/, '');
     arg.category = 'parameter';
+
+    // Split inout args into two separate outlets
+    if (arg.inout == $.INOUT) {
+      arg.meta.inout = true;
+
+      var input = _.extend({}, arg);
+      input.inout = $.IN;
+      outlets.push(input);
+
+      arg.inout = $.OUT;
+    }
     outlets.push(arg);
   });
 
   _.each(args.uniforms, function (arg) {
+    // Strip in/out suffix and set meta data
     arg.meta = { };
     arg.hint = arg.name.replace(/(In|Out)$/, '');
     arg.category = 'uniform';
@@ -2018,8 +2056,12 @@ $.Block.Snippet.compileCall = function (program, phase, node, snippet, priority)
 
   // Assign intermediate variables.
   _.each(signature.parameters, function (arg) {
-    var outlet = node.get(arg.name);
-    if (arg.inout == $.IN) {
+
+    var fetch = arg.inout == $.INOUT ? $.IN : arg.inout;
+    var outlet = node.get(arg.name, fetch);
+
+    // Fetch code to calculate this input
+    if (arg.inout == $.IN || arg.inout == $.INOUT) {
       if (outlet.input) {
         var owner = outlet.input.node.owner();
 
@@ -2028,10 +2070,12 @@ $.Block.Snippet.compileCall = function (program, phase, node, snippet, priority)
         args.push(variable);
       }
       else {
-        console.log('Outlet', arg, outlet);
+        console.log('Outlet', arg, input);
         throw ["Missing connection on outlet for " + arg.name];
       }
     }
+
+    // Add output to call arguments
     else if (arg.inout == $.OUT) {
       var variable = outlet.id();
       program.variable(phase, variable, arg);
@@ -2156,6 +2200,15 @@ $.Factory.prototype = {
     return this;
   },
 
+  pass: function () {
+    this.next();
+
+    var sub = this.stack[0];
+    sub.start.push(null);
+
+    return this.combine();
+  },
+
   next: function () {
     var sub = this.stack.shift();
     var main = this.stack[0];
@@ -2177,12 +2230,19 @@ $.Factory.prototype = {
     var sub = this.stack.shift(),
         main = this.stack[0];
 
-    _.each(sub.start, function (to) {
-      _.each(main.end, function (from) {
-        from.connect(to, true);
+    if (sub.start.length) {
+      _.each(sub.start, function (to) {
+        // Passthrough all outlets to other side
+        if (!to) {
+          sub.end = sub.end.concat(main.end);
+        }
+        // Normal destination
+        else _.each(main.end, function (from) {
+          from.connect(to, true);
+        });
       });
-    });
-    main.end = sub.end;
+      main.end = sub.end;
+    }
 
     return this;
   },
@@ -2888,7 +2948,7 @@ $.Outlet = function (inout, name, hint, type, category, exposed, meta) {
   // Object constructor syntax
   if (typeof inout == 'object') {
     var object = inout;
-    return new $.Outlet(object.inout, object.name, object.hint, object.type, object.category, object.exposed);
+    return new $.Outlet(object.inout, object.name, object.hint, object.type, object.category, object.exposed, object.meta);
   }
 
   this.node     = null;
@@ -6627,6 +6687,74 @@ MathBox.Platonic.prototype = _.extend(new MathBox.Primitive(null), {
 });
 
 MathBox.Primitive.types.platonic = MathBox.Platonic;
+/**
+ * Text label at specified position
+ */
+MathBox.Label = function (options) {
+  // Allow inheritance constructor
+  if (options === null) return;
+
+  MathBox.Primitive.call(this, options);
+};
+
+MathBox.Label.prototype = _.extend(new MathBox.Primitive(null), {
+
+  defaults: function () {
+    return {
+      position: [0, 0, 0],
+      facing: 1,
+      distance: 15,
+      style: {
+        color: new THREE.Color(0x707070),
+      },
+      text: ""
+    };
+  },
+
+  renderables: function () {
+    return [ this.labels ];
+  },
+
+  type: function () {
+    return 'label';
+  },
+
+  adjust: function (viewport, camera) {
+    var options = this.get(),
+    // Axis vector direction for labels
+    p = [0, 0, 0];
+    p[options.facing] = 1;
+    var labelTangent = this.labelTangent;
+    labelTangent.set.apply(labelTangent, p);
+    this.labels.show(true);
+  },
+
+  make: function () {
+    var options = this.get(),
+      position = options.position,
+      text = options.text,
+      distance = options.distance,
+      style = this.style,
+      labelTangent = this.labelTangent = new THREE.Vector3();
+
+    var labelOptions = { dynamic: true, distance: distance };
+    var labelPoint  = new THREE.Vector3();
+    labelPoint.set.apply(labelPoint, position)
+    // label text callback
+    var callback = function (i) {
+      return text;
+    }.bind(this);
+    
+    this.labels = new MathBox.Renderable.Labels([labelPoint], labelTangent, callback, labelOptions, style);
+  },
+
+});
+
+MathBox.Label.validateArgs = function (options) {
+  return options;
+};
+
+MathBox.Primitive.types.label = MathBox.Label;
 MathBox.Renderable = function (options, style) {
   // Allow inheritance constructor
   if (options === null) return;
diff --git a/build/MathBox.min.js b/build/MathBox.min.js
index d893f3e..696089e 100644
--- a/build/MathBox.min.js
+++ b/build/MathBox.min.js
@@ -17,49 +17,51 @@ ThreeBox.OrbitControls.prototype={init:function(){this.width=this.element&&this.
 Math.sin(this.phi)*Math.cos(this.theta)*this.orbit;this.camera.position.addSelf(this.lookAt);this.camera.lookAt(this.lookAt)}};ThreeBox.OrbitControls.bind=function(a,b,c){return new ThreeBox.OrbitControls(a,b,c)};MicroEvent.mixin(ThreeBox.OrbitControls);
 ThreeBox.Cursor=function(a,b){function c(){f||(a.style.cursor=d);clearTimeout(e);f=!1;e=setTimeout(function(){f=!0;a.style.cursor="none"},g)}var d=b.cameraControls?"move":"default",e=null,f=!1,g=2E3;b.cursor?a.style.cursor=d:(a.addEventListener("mousemove",c),a.style.cursor="none");return{unbind:function(){a.removeEventListener("mousemove",c)}}};ThreeBox.Cursor.bind=function(a,b){return ThreeBox.Cursor(a,b)};
 ThreeBox.preload=function(a,b){a instanceof Function&&(b=a,a=[]);a="string"==typeof a?[a]:a;var c=a.length,d={},e=function(a){_.extend(d,a||{});0==--c&&b(d)},f=ThreeBox.preload,g={},h={html:f.html,jpg:f.image,png:f.image,gif:f.image,mp3:f.audio};_.each(h,function(a,b){g[b]=RegExp("\\."+b+"$")});_.each(a,function(a){_.each(h,function(b,c){if(a.match(g[c])){var d=a.split(/\//g).pop().replace(/\.[A-Za-z0-9]+$/,"");b(a,d,e)}})})};
-ThreeBox.preload.html=function(a,b,c){new microAjax(a,function(b){for(var e;e=b.match(/^(<script\s*>|<script[^>]*type=['"]text\/javascript['"][^>]*>)([\s\S]+?)<\/script>$/m);){try{eval("(function () {"+e[2]+"})()")}catch(f){console.error(f),console.error("While evaluating: "+e[2])}b=b.replace(e[0],"")}""!=b.replace(/\s*/g)&&(e=document.createElement("div"),e.innerHTML=b,document.body.appendChild(e));console.log("Loaded HTML ",a);c()})};
+ThreeBox.preload.html=function(a,b,c){new microAjax(a,function(b){var e;(e=b.match(/^<script[^>]*type=['"]text\/javascript['"][^>]*>([\s\S]+?)<\/script>$/m))?(b=document.createElement("script"),b.type="text/javascript",b.innerHTML=e[1],document.body.appendChild(b)):(e=document.createElement("div"),e.innerHTML=b,document.body.appendChild(e));console.log("Loaded HTML ",a);c()})};
 ThreeBox.preload.image=function(a,b,c){THREE.ImageUtils.loadTexture(a,null,function(d){var e={};e[b]=d;console.log("Loaded texture ",a);c(e)})};ThreeBox.preload.audio=function(a,b,c){var d=new XMLHttpRequest;d.open("GET",a,!0);d.responseType="arraybuffer";d.onload=function(){var e={};e[b]=d.response;console.log("Loaded audio ",a);c(e)};d.send()};(function(a){for(var b in a)if(!window[b])throw"Error: ThreeRTT requires "+a[b];})({THREE:"Three.js"});window.ThreeRTT=window.ThreeRTT||{};
-ThreeRTT.getShader=function(a){var b=document.getElementById(a);return b&&b.innerText||a};_.loop=function(a,b){for(var c=0;c<a;++c)b(c)};ThreeRTT.getShader=function(a){var b=document.getElementById(a);return b&&(b.innerText||b.textContent)||a};ThreeRTT.isPowerOfTwo=function(a){return 0===(a&a-1)};ThreeRTT.toTarget=function(a){return ThreeRTT.Stage&&a instanceof ThreeRTT.Stage?a.target:ThreeRTT.World&&a instanceof ThreeRTT.World?a.target():a};
+ThreeRTT.World=function(){};ThreeRTT.getShader=function(a){var b=document.getElementById(a);return b&&b.innerText||a};_.loop=function(a,b){for(var c=0;c<a;++c)b(c)};ThreeRTT.getShader=function(a){var b=document.getElementById(a);return b&&(b.innerText||b.textContent)||a};ThreeRTT.isPowerOfTwo=function(a){return 0===(a&a-1)};ThreeRTT.toTarget=function(a){return ThreeRTT.Stage&&a instanceof ThreeRTT.Stage?a.target:ThreeRTT.World&&a instanceof ThreeRTT.World?a.target():a};
 ThreeRTT.toTexture=function(a,b){a=ThreeRTT.toTarget(a);return ThreeRTT.RenderTarget&&a instanceof ThreeRTT.RenderTarget?a.read():a};MicroEvent.prototype.on=function(){MicroEvent.prototype.bind.apply(this,arguments);return this};MicroEvent.prototype.emit=function(){MicroEvent.prototype.trigger.apply(this,arguments);return this};MicroEvent.mixin=function(a){for(var b=["bind","unbind","trigger","on","emit"],c=0;c<b.length;c++)a.prototype[b[c]]=MicroEvent.prototype[b[c]]};
-ThreeRTT.Stage=function(a,b){b=_.extend({history:0,camera:{},scene:null},b);b.camera.aspect=b.camera.aspect||b.width/b.height;this.scene=b.scene||new THREE.Scene;this.camera=ThreeRTT.Camera(b.camera);this.scene.add(this.camera);this.target=new ThreeRTT.RenderTarget(a,b);this.reset();this.size(b.width,b.height)};
-ThreeRTT.Stage.prototype={options:function(){return this.target.options},reset:function(){this.renderables&&_.each(this.renderables,function(a){this.scene.remove(a)}.bind(this));this.passes=[];this.renderables=[]},paint:function(a,b){var c=new THREE.Object3D;c.frustumCulled=!1;c.visible=!0;if(!b){var d=new ThreeRTT.FragmentMaterial(this,"generic-fragment-texture"),d=this._surface(d);c.add(d)}c.add(a);this.scene.add(c);this.passes.push(1);this.renderables.push(c)},iterate:function(a,b){var c=this._surface(b);
-c.visible=!1;this.scene.add(c);this.passes.push(a);this.renderables.push(c);return this},fragment:function(a){this.iterate(1,a);return this},size:function(a,b){a=Math.floor(a);b=Math.floor(b);this.camera.aspect=a/b;this.target.size(a,b);return this},read:function(a){return this.target.read(a)},uniform:function(){return this.target.uniform()},render:function(){function a(b,c){b.visible=c;_.each(b.children,function(b){a(b,c)})}this.target.clear();_.each(this.passes,function(b,c){a(this.renderables[c],
-!0);_.loop(b,function(a){this.target.render(this.scene,this.camera)}.bind(this));a(this.renderables[c],!1)}.bind(this));return this},clear:function(){this.target.clear();return this},destroy:function(){this.target.deallocate();this.target=this.camera=this.scene=null},_surface:function(a){var b=new THREE.Mesh(new ThreeRTT.ScreenGeometry,{});b.frustumCulled=!1;b.material=a;b.renderDepth=Infinity;return b}};
-ThreeRTT.Compose=function(a,b,c,d){THREE.Object3D.call(this);a=new ThreeRTT.FragmentMaterial(a,b,c,d);b=new ThreeRTT.ScreenGeometry;a=this.mesh=new THREE.Mesh(b,a);a.frustumCulled=!1;this.add(a)};ThreeRTT.Compose.prototype=new THREE.Object3D;
-ThreeRTT.Camera=function(a){if(a.constructor instanceof THREE.Camera)return a;a=_.extend({aspect:1,far:1E4,fov:85,near:0.01,ortho:!1,scale:1},a);if(a.ortho){var b=a.scale,c=a.aspect;return new THREE.OrthographicCamera(-b*c,b*c,-b,b,a.near,a.far)}return new THREE.PerspectiveCamera(a.fov,a.aspect,a.near,a.far)};
+ThreeRTT.Stage=function(a,b){b=_.extend({history:0,camera:{},scene:null},b);b.camera.aspect=b.camera.aspect||b.width/b.height;this.camera=ThreeRTT.Camera(b.camera);this.target=new ThreeRTT.RenderTarget(a,b);this.reset();this.size(b.width,b.height)};
+ThreeRTT.Stage.prototype={options:function(){return this.target.options},reset:function(){this.scenes=[];this.passes=[]},paint:function(a,b){var c=new THREE.Scene;if(!b){var d=new ThreeRTT.FragmentMaterial(this,"generic-fragment-texture"),d=this._surface(d);c.add(d)}c.add(a);this.scenes.push(c);this.passes.push(1)},iterate:function(a,b){var c=this._surface(b),d=new THREE.Scene;d.add(c);this.scenes.push(d);this.passes.push(a);return this},fragment:function(a){this.iterate(1,a);return this},size:function(a,
+b){a=Math.floor(a);b=Math.floor(b);this.camera.aspect=a/b;this.camera.updateProjectionMatrix();this.target.size(a,b);return this},read:function(a){return this.target.read(a)},uniform:function(){return this.target.uniform()},render:function(){this.target.clear();_.each(this.passes,function(a,b){_.loop(a,function(a){this.target.render(this.scenes[b],this.camera)}.bind(this))}.bind(this));return this},clear:function(){this.target.clear();return this},destroy:function(){this.target.deallocate();this.scenes=
+[];this.passes=[];this.target=this.camera=null},_surface:function(a){var b=new THREE.Mesh(new ThreeRTT.ScreenGeometry,{});b.frustumCulled=!1;b.material=a;b.renderDepth=Infinity;return b}};ThreeRTT.Compose=function(a,b,c,d){THREE.Object3D.call(this);a=new ThreeRTT.FragmentMaterial(a,b,c,d);b=new ThreeRTT.ScreenGeometry;a=this.mesh=new THREE.Mesh(b,a);a.frustumCulled=!1;this.add(a)};ThreeRTT.Compose.prototype=new THREE.Object3D;
+ThreeRTT.Camera=function(a){if(a instanceof THREE.Camera)return a;a=_.extend({aspect:1,far:1E4,fov:85,near:0.01,ortho:!1,scale:1},a);if(a.ortho){var b=a.scale,c=a.aspect;return new THREE.OrthographicCamera(-b*c,b*c,-b,b,a.near,a.far)}return new THREE.PerspectiveCamera(a.fov,a.aspect,a.near,a.far)};
 ThreeRTT.RenderTarget=function(a,b){this.options=b=_.extend({width:256,height:256,texture:{},clear:{color:!1,depth:!1,stencil:!1},clearColor:16777215,clearAlpha:1,history:0,scene:null,camera:null,autoAdvance:!0},b);this.renderer=a;ThreeRTT.isPowerOfTwo(b.width)&&ThreeRTT.isPowerOfTwo(b.height)||b.texture.minFilter||(b.texture.minFilter=THREE.LinearFilter);this.history(this.options.history,!0);this.size(b.width,b.height);this.clear()};
-ThreeRTT.RenderTarget.prototype={read:function(a){a=Math.max(0,Math.min(this.options.history,Math.abs(a||0)));return this.virtuals[a]},write:function(){return this.targets[this.index]},history:function(a,b){void 0!==a&&(this._history=a,this.buffers=a+2,b||this.allocate());return this._history},size:function(a,b){a&&b&&(this.width=Math.floor(a),this.height=Math.floor(b),this.allocate());return{width:this.width,height:this.height}},deallocate:function(){this.deallocateTargets()},allocate:function(){this.deallocateTargets();
-this.allocateTargets();this.allocateVirtuals()},deallocateTargets:function(){_.each(this.targets||[],function(a){this.renderer.deallocateRenderTarget(a)}.bind(this))},allocateTargets:function(){var a=this.options;n=this.buffers;var b=this.targets=[];_.loop(n,function(c){b.push(new THREE.WebGLRenderTarget(this.width,this.height,a.texture));b[c].__index=c}.bind(this))},allocateVirtuals:function(){var a=this.targets[0],b=this.virtuals||[];n=Math.max(1,this.buffers-1);n>b.length?_.loop(n-b.length,function(){b.push(a.clone())}.bind(this)):
-b=b.slice(0,n);_.each(b,function(a,b){a.width=this.width;a.height=this.height;a.__index=b}.bind(this));this.virtuals=b;this.index=-1;this.advance()},advance:function(){var a=this.targets,b=this.virtuals,c=this.index,d=this.buffers,e=b.length;this.index=c=(c+1)%d;_.loop(e,function(f){var g=b[f];f=a[(e-f+c)%d];g.__webglTexture=f.__webglTexture;g.__webglFramebuffer=f.__webglFramebuffer;g.__webglRenderbuffer=f.__webglRenderbuffer;g.__index=f.__index})},clear:function(){var a=this.options,b=a.clear,c=
-this.renderer,d=c.getClearColor().clone(),e=c.getClearAlpha();c.setClearColorHex(a.clearColor,a.clearAlpha);c.clearTarget(this.write(),b.color,b.stencil,b.depth);c.setClearColor(d,e)},render:function(a,b){this.emit("render",a,b);var c=this.renderer.autoClear;this.renderer.autoClear=!1;this.clear();this.renderer.render(a,b,this.write());this.renderer.autoClear=c;this.options.autoAdvance&&this.advance()},uniform:function(a){var b=this.history();if(b){var c=[];_.loop(b+1,function(a){c.push(this.read(-a))}.bind(this));
-return{type:"tv",value:c,count:b+1}}return{type:"t",value:a,texture:this.read(),count:1}}};MicroEvent.mixin(ThreeRTT.RenderTarget);ThreeRTT.ScreenGeometry=function(){return new THREE.PlaneGeometry(2,2,1,1)};
+ThreeRTT.RenderTarget.prototype={read:function(a){a=Math.max(0,Math.min(this.options.history,Math.abs(a||0)));return this.virtuals[a]},write:function(){return this.targets[this.index]},history:function(a,b){void 0!==a&&(this._history=a,this.buffers=a+2,b||this.allocate());return this._history},size:function(a,b){void 0!==a&&void 0!==b&&(this.width=Math.max(1,Math.floor(a)),this.height=Math.max(1,Math.floor(b)),this.allocate());return{width:this.width,height:this.height}},deallocate:function(){this.deallocateTargets()},
+allocate:function(){this.deallocateTargets();this.allocateTargets();this.allocateVirtuals()},deallocateTargets:function(){_.each(this.targets||[],function(a){a.dispose()}.bind(this))},allocateTargets:function(){var a=this.options;n=this.buffers;var b=this.targets=[];_.loop(n,function(c){b.push(new THREE.WebGLRenderTarget(this.width,this.height,a.texture));b[c].__index=c}.bind(this))},allocateVirtuals:function(){var a=this.targets[0],b=this.virtuals||[];n=Math.max(1,this.buffers-1);n>b.length?_.loop(n-
+b.length,function(){b.push(a.clone())}.bind(this)):b=b.slice(0,n);_.each(b,function(a,b){a.width=this.width;a.height=this.height;a.__index=b}.bind(this));this.virtuals=b;this.index=-1;this.advance()},advance:function(){var a=this.targets,b=this.virtuals,c=this.index,d=this.buffers,e=b.length;this.index=c=(c+1)%d;_.loop(e,function(f){var g=b[f];f=a[(e-f+c)%d];g.__webglTexture=f.__webglTexture;g.__webglFramebuffer=f.__webglFramebuffer;g.__webglRenderbuffer=f.__webglRenderbuffer;g.__index=f.__index})},
+clear:function(){var a=this.options,b=a.clear,c=this.renderer,d=c.getClearColor().clone(),e=c.getClearAlpha();c.setClearColor(a.clearColor,a.clearAlpha);c.clearTarget(this.write(),b.color,b.depth,b.stencil);c.setClearColor(d,e)},render:function(a,b){this.emit("render",a,b);var c=this.renderer.autoClear;this.renderer.autoClear=!1;this.clear();this.renderer.render(a,b,this.write());this.renderer.autoClear=c;this.options.autoAdvance&&this.advance()},uniform:function(a){var b=this.history();if(b){var c=
+[];_.loop(b+1,function(a){c.push(this.read(-a))}.bind(this));return{type:"tv",value:c,count:b+1}}return{type:"t",value:a,texture:this.read(),count:1}}};MicroEvent.mixin(ThreeRTT.RenderTarget);ThreeRTT.ScreenGeometry=function(){return new THREE.PlaneGeometry(2,2,1,1)};
 ThreeRTT.ShaderMaterial=function(a,b,c,d,e){if(d instanceof Array){var f={};_.each(d,function(a,b){f["texture"+(i+1)]=a});d=f}else if(d instanceof THREE.Texture||d instanceof ThreeRTT.World||d instanceof THREE.WebGLRenderTarget)d={texture1:d};a instanceof Array||(a=[a]);a=_.map(a,function(a){return ThreeRTT.toTarget(a)});e=_.extend(e||{},{sampleStep:{type:"v2",value:new THREE.Vector2}});_.each(d,function(a,b){e[b]={type:"t",value:ThreeRTT.toTexture(a)}});_.each(a,function(a,b){var c="texture"+(b+
 1);a.read&&!e[c]&&(e[c]={type:"t",value:a.read()})});e.texture1&&!e.texture&&(e.texture=e.texture1);a[0].on("render",function(){var b=a[0].options.texture,c=b.wrapT,d={1E3:0,1001:1,1002:0},f=e.sampleStep.value;f.x=1/(a[0].width-(d[b.wrapS]||0));f.y=1/(a[0].height-(d[c]||0))});return new THREE.ShaderMaterial({uniforms:e,vertexShader:ThreeRTT.getShader(b||"generic-vertex"),fragmentShader:ThreeRTT.getShader(c||"generic-fragment-texture")})};
 ThreeRTT.FragmentMaterial=function(a,b,c,d){a=new ThreeRTT.ShaderMaterial(a,"generic-vertex-screen",b,c,d);a.side=THREE.DoubleSide;a.depthTest=!1;a.depthWrite=!1;a.transparent=!0;a.blending=THREE.NoBlending;return a};
-ThreeRTT.DownsampleMaterial=function(a,b){var c={};a=ThreeRTT.toTarget(a);b=ThreeRTT.toTarget(b);c=_.extend(c,{sampleAlignment:{type:"v2",value:new THREE.Vector2},texture:{type:"t",value:a.read()}});b.on("render",function(){var d=a,f=b,g=2*f.height/d.height,h=c.sampleAlignment.value;h.x=2*f.width/d.width;h.y=g});var d=new THREE.ShaderMaterial({uniforms:c,vertexShader:ThreeRTT.getShader("rtt-vertex-downsample"),fragmentShader:ThreeRTT.getShader("generic-fragment-texture")});d.side=THREE.DoubleSide;
-d.depthTest=!1;d.depthWrite=!1;d.transparent=!0;d.blending=THREE.NoBlending;return d};
-ThreeRTT.RaytraceMaterial=function(a,b,c,d){if(c instanceof Array)_.each(c,function(a,b){});else if(c instanceof THREE.Texture||c instanceof ThreeRTT.World||c instanceof THREE.WebGLRenderTarget)c={texture1:c};a=ThreeRTT.toTarget(a);d=_.extend(d||{},{cameraViewport:{type:"v2",value:new THREE.Vector2},cameraWorld:{type:"m4",value:new THREE.Matrix4}});var e=0;_.each(c||[],function(a,b){d[b]={type:"t",value:e++,texture:ThreeRTT.toTexture(a)}});a.on("render",function(a,b){b.updateMatrixWorld();if(b.fov){var c=
-Math.tan(b.fov*\u03c0/360);d.cameraViewport.value.set(c*b.aspect,c)}b.matrixWorld&&(d.cameraWorld.value=b.matrixWorld)});return new THREE.ShaderMaterial({uniforms:d,vertexShader:ThreeRTT.getShader("generic-vertex-screen"),fragmentShader:ThreeRTT.getShader(b)})};ThreeRTT.Display=function(a,b,c){a instanceof Array||(a=[a]);this.gx=b||a.length;this.gy=c||1;this.targets=a;this.n=a.length;THREE.Object3D.call(this);this.make()};
+ThreeRTT.ScaleMaterial=function(a,b,c){var d={};a=ThreeRTT.toTarget(a);b=ThreeRTT.toTarget(b);d=_.extend(d,{sampleAlignment:{type:"v2",value:new THREE.Vector2},texture:{type:"t",value:a.read()}});b.on("render",function(){var e=a,g=b,h=g.height*c/e.height,k=d.sampleAlignment.value;k.x=g.width*c/e.width;k.y=h});var e=new THREE.ShaderMaterial({uniforms:d,vertexShader:ThreeRTT.getShader("rtt-vertex-downsample"),fragmentShader:ThreeRTT.getShader("generic-fragment-texture")});e.side=THREE.DoubleSide;e.depthTest=
+!1;e.depthWrite=!1;e.transparent=!0;e.blending=THREE.NoBlending;return e};ThreeRTT.DownsampleMaterial=function(a,b){return new ThreeRTT.ScaleMaterial(a,b,2)};ThreeRTT.UpsampleMaterial=function(a,b){return new ThreeRTT.ScaleMaterial(a,b,0.5)};
+ThreeRTT.RaytraceMaterial=function(a,b,c,d,e){a instanceof Array||(a=[a]);c=new ThreeRTT.ShaderMaterial(a,"raytrace-vertex-screen",c,d,e);e=_.extend(c.uniforms||{},{raytraceViewport:{type:"v2",value:new THREE.Vector2},raytracePosition:{type:"v3",value:new THREE.Vector3},raytraceMatrix:{type:"m4",value:new THREE.Matrix4}});a=ThreeRTT.toTarget(a[0]);var f=new THREE.Vector3;a.on("render",function(a){b.updateMatrixWorld();b.fov&&(a=Math.tan(b.fov*\u03c0/360),e.raytraceViewport.value.set(a*b.aspect,a));
+b.matrixWorld&&(e.raytraceMatrix.value.copy(b.matrixWorld),e.raytraceMatrix.value.setPosition(f),e.raytracePosition.value.getPositionFromMatrix(b.matrixWorld))});return c};ThreeRTT.Display=function(a,b,c){a instanceof Array||(a=[a]);this.gx=b||a.length;this.gy=c||1;this.targets=a;this.n=a.length;THREE.Object3D.call(this);this.make()};
 ThreeRTT.Display.prototype=_.extend(new THREE.Object3D,{make:function(){for(var a=this.n,b=this.gx,c=this.gy,d=this.targets,e=(b-1)/2,f=(c-1)/2,g=new THREE.PlaneGeometry(1,1,1,1),h=0,k=0;h<a&&k<c;++k)for(var l=0;h<a&&l<b;++l,++h){var m=new THREE.MeshBasicMaterial({color:16777215,map:ThreeRTT.toTexture(d[h]),fog:!1});m.side=THREE.DoubleSide;m=new THREE.Mesh(g,m);m.renderDepth=1E4+Math.random();this.add(m);1<b&&(m.position.x=-e+l);1<c&&(m.position.y=f-k)}}});
 ThreeRTT.World=function(a,b){b=b||{};b=_.extend({autoRendering:!0,autoSize:!(b.width&&b.height),order:++ThreeRTT.World.sequence,scale:1},b);b.width=!b.autoSize&&b.width||(a._opts&&a._opts.renderW||256)/b.scale;b.height=!b.autoSize&&b.height||(a._opts&&a._opts.renderH||256)/b.scale;a.on("resize",function(a,d){b.autoSize&&(a/=b.scale,d/=b.scale,this.size(a,d))}.bind(this));this._options=b;this._world=a;this._autoRendering=b.autoRendering;this._renderer=a.tRenderer();this._stage=new ThreeRTT.Stage(this._renderer,
-b);this._scene=this._stage.scene;this._camera=this._stage.camera;this.queue=ThreeRTT.RenderQueue.bind(a);b.autoRendering&&this.queue.add(this);this.size(b.width,b.height,!0)};ThreeRTT.World.sequence=1E5;
+b);this._tScene=this._stage.scene;this._tCamera=this._stage.camera;this.queue=ThreeRTT.RenderQueue.bind(a);b.autoRendering&&this.queue.add(this);this.size(b.width,b.height,!0)};ThreeRTT.World.sequence=1E5;
 ThreeRTT.World.prototype=_.extend(new THREE.Object3D,tQuery.World.prototype,{stage:function(){return this._stage},target:function(){return this._stage.target},autoSize:function(a){void 0!==a&&(this._options.autoSize=a);return this._options.autoSize},adjust:function(a){var b=this._options.scale,c=this._options.width,d=this._options.height;this._options.autoSize&&(d=this._world._opts,c=d.renderW,d=d.renderH);c/=b;d/=b;this._opts={renderW:c,renderH:d};a||this._stage.size(c,d)},scale:function(a){return a?
 (this._options.scale=a,this.adjust(),this):this._options.scale},size:function(a,b,c){return a&&b?(this._options.width=a,this._options.height=b,this.adjust(c),this):{width:this._options.width,height:this._options.height}},options:function(){return this._stage.options()},reset:function(){this._stage.reset();return this},paint:function(a,b){this._stage.paint(a,b);return this},iterate:function(a,b,c,d){b=b instanceof THREE.Material?b:tQuery.createFragmentMaterial(this,b,c,d);this._stage.iterate(a,b);
-return this},fragment:function(a,b,c){a=a instanceof THREE.Material?a:tQuery.createFragmentMaterial(this,a,b,c);this._stage.fragment(a);return this},raytrace:function(a,b,c){a=a instanceof THREE.Material?a:tQuery.createRaytraceMaterial(this,a,b,c);this._stage.fragment(a);return this},downsample:function(a){if(!a.autoSize()){var b=a.size();this._options.width=b.width;this._options.height=b.height}b=a.scale();this.scale(2*b);a=tQuery.createDownsampleMaterial(a,this);this._stage.fragment(a);return this},
-read:function(a){return this._stage.read(a)},uniform:function(){return this._stage.uniform()},render:function(){this._stage.render();return this},destroy:function(){this._stage.destroy();this._stage=null;this.queue.remove(this);this.trigger("destroy");return this}});tQuery.pluginsInstanceOn(ThreeRTT.World);tQuery.MicroeventMixin(ThreeRTT.World.prototype);ThreeRTT.RenderQueue=function(a){this.world=a;this.queue=[];this.callback=null;this.renderer=a.tRenderer()};
+return this},shader:function(a,b,c,d){a=a instanceof THREE.Material?a:tQuery.createShaderMaterial(this,a,b,c,d);this._stage.fragment(a);return this},fragment:function(a,b,c){a=a instanceof THREE.Material?a:tQuery.createFragmentMaterial(this,a,b,c);this._stage.fragment(a);return this},raytrace:function(a,b,c,d){a=b instanceof THREE.Material?b:tQuery.createRaytraceMaterial(this,a,b,c,d);this._stage.fragment(a);return this},downsample:function(a){if(!a.autoSize()){var b=a.size();this._options.width=
+b.width;this._options.height=b.height}b=a.scale();this.scale(2*b);a=tQuery.createDownsampleMaterial(a,this);this._stage.fragment(a);return this},upsample:function(a){if(!a.autoSize()){var b=a.size();this._options.width=b.width;this._options.height=b.height}b=a.scale();this.scale(0.5*b);a=tQuery.createUpsampleMaterial(a,this);this._stage.fragment(a);return this},read:function(a){return this._stage.read(a)},uniform:function(){return this._stage.uniform()},render:function(){this._stage.render();return this},
+destroy:function(){this._stage.destroy();this._stage=null;this.queue.remove(this);this.trigger("destroy");return this}});tQuery.pluginsInstanceOn(ThreeRTT.World);tQuery.MicroeventMixin(ThreeRTT.World.prototype);ThreeRTT.RenderQueue=function(a){this.world=a;this.queue=[];this.callback=null;this.renderer=a.tRenderer()};
 ThreeRTT.RenderQueue.prototype={add:function(a){this.queue.push(a);this.sort();this.init()},remove:function(a){this.queue.splice(this.queue.indexOf(a),1);this.cleanup()},init:function(){var a=this.queue,b=this.world;a.length&&!this.callback&&b.loop().hookPreRender(this.callback=function(){_.each(a,function(a){a.render()})})},cleanup:function(){var a=this.world;!this.queue.length&&this.callback&&(a.loop().unhookPreRender(this.callback),this.callback=null)},sort:function(){this.queue.sort(function(a,
 b){return a.order-b.order})}};ThreeRTT.RenderQueue.bind=function(a){return a.__rttRenderQueue?a.__rttRenderQueue:a.__rttRenderQueue=new ThreeRTT.RenderQueue(a)};tQuery.World.registerInstance("rtt",function(a){return tQuery.createRTT(this,a)});tQuery.World.registerInstance("compose",function(a,b,c,d){a=tQuery.createComposeRTT(a,b,c,d);this.add(a);return a});tQuery.World.registerInstance("display",function(a,b,c){a=tQuery.createDisplayRTT(a,b,c);this.add(a);return a});
 tQuery.registerStatic("createRTT",function(a,b){return new ThreeRTT.World(a,b)});tQuery.registerStatic("createComposeRTT",function(a,b,c,d){return new ThreeRTT.Compose(a,b,c,d)});tQuery.registerStatic("createDisplayRTT",function(a,b,c){return new ThreeRTT.Display(a,b,c)});tQuery.registerStatic("createShaderMaterial",function(a,b,c,d,e){return new ThreeRTT.FragmentMaterial(a,b,c,d,e)});tQuery.registerStatic("createFragmentMaterial",function(a,b,c,d){return new ThreeRTT.FragmentMaterial(a,b,c,d)});
-tQuery.registerStatic("createRaytraceMaterial",function(a,b,c,d){return new ThreeRTT.RaytraceMaterial(a,b,c,d)});tQuery.registerStatic("createDownsampleMaterial",function(a,b){return new ThreeRTT.DownsampleMaterial(a,b)});(function(a){for(var b in a)if(!window[b])throw"Error: ShaderGraph requires "+a[b];})({THREE:"Three.js"});window.ShaderGraph={};ShaderGraph.getShader=function(a){var b=document.getElementById(a);return b&&(b.innerText||b.textContent)||a};
-(function(a){a.Block=function(b){b=b||new a.Node;this.node(b);this.children=[];this.parent=null;this.properties={};this.index=++a.Block.index;this.refresh()};a.Block.index=0;a.Block.prototype={node:function(a){return void 0!==a?(this._node=a,this):this._node},refresh:function(){this._node.owner(this);this._node.outlets(this.outlets())},fetch:function(a,c,d,e){}};a.Block.Snippet=function(b){this.snippet=new a.Snippet(b);a.Block.call(this)};a.Block.Snippet.prototype=_.extend({},a.Block.prototype,{insert:function(b,
-c,d){a.Block.Snippet.compileCall(b,c,this.node(),this.snippet,d)},fetch:function(a,c,d,e){a.include(this,c)||this.insert(a,c,e);return d.id()},outlets:function(){return a.Block.Snippet.makeOutlets(this.snippet)}});a.Block.Material=function(b,c){this.vertex=new a.Snippet(b);this.fragment=new a.Snippet(c);a.Block.call(this)};a.Block.Material.prototype=_.extend({},a.Block.prototype,{compile:function(){if(0<this.node().outputs.length)throw"Can't compile material with outputs";this.node();var b=new a.Program;
-this.insert(b,"vertex",0);this.insert(b,"fragment",0);b.compile();return b},insert:function(b,c,d){a.Block.Snippet.compileCall(b,c,this.node(),this[c],d)},fetch:function(a,c,d,e){a.include(this,c)||this.insert(a,c,e);"fragment"==c&&(a.include(this,"vertex")||this.insert(a,"vertex",0));return d.id()},outlets:function(){var b=a.Block.Snippet.makeOutlets(this.vertex),c=a.Block.Snippet.makeOutlets(this.fragment);return _.union(b,c)}});a.Block.Snippet.makeOutlets=function(b){var c=[];if(b.outlets)return b.outlets;
-var d=b.arguments();_.each(d.parameters,function(a){a.meta={required:!0};a.hint=a.name.replace(/(In|Out)$/,"");a.category="parameter";c.push(a)});_.each(d.uniforms,function(b){b.meta={};b.hint=b.name.replace(/(In|Out)$/,"");b.category="uniform";b.inout=a.IN;c.push(b)});return b.outlets=c};a.Block.Snippet.compileCall=function(b,c,d,e,f){var g=e.arguments(),h=[];_.each(g.parameters,function(e){var g=d.get(e.name);if(e.inout==a.IN)if(g.input)g=g.input.node.owner().fetch(b,c,g.input,f+1),b.variable(c,
-g,e),h.push(g);else throw console.log("Outlet",e,g),["Missing connection on outlet for "+e.name];else e.inout==a.OUT&&(g=g.id(),b.variable(c,g,e),h.push(g))});var k=[];_.each(g.uniforms,function(a){var e=d.get(a.name);e.input?(e=e.input.node.owner().fetch(b,c,e.input,f+1),b.variable(c,e,a),h.push(e),k.push(a.name)):b.external("uniform",a)});_.each(g.attributes,function(a){b.external("attribute",a)});_.each(g.varyings,function(a){b.external("varying",a)});g=["_sg",c,e.name,d.owner().index].join("_");
-e=e.compile(g,k,!0);b.add(c,g,h,e,f)}})(ShaderGraph);
+tQuery.registerStatic("createRaytraceMaterial",function(a,b,c,d,e){return new ThreeRTT.RaytraceMaterial(a,b,c,d,e)});tQuery.registerStatic("createDownsampleMaterial",function(a,b){return new ThreeRTT.DownsampleMaterial(a,b)});tQuery.registerStatic("createUpsampleMaterial",function(a,b){return new ThreeRTT.UpsampleMaterial(a,b)});tQuery.registerStatic("createScaleMaterial",function(a,b,c){return new ThreeRTT.DownsampleMaterial(a,b,c)});
+(function(a){for(var b in a)if(!window[b])throw"Error: ShaderGraph requires "+a[b];})({THREE:"Three.js"});window.ShaderGraph={};ShaderGraph.getShader=function(a){var b=document.getElementById(a);return b&&(b.innerText||b.textContent)||a};
+(function(a){a.Block=function(b){b=b||new a.Node;this.node(b);this.children=[];this.parent=null;this.properties={};this.index=++a.Block.index;this.refresh()};a.Block.index=0;a.Block.prototype={node:function(a){return void 0!==a?(this._node=a,this):this._node},refresh:function(){this._node.owner(this);this._node.outlets(this.outlets())},fetch:function(a,c,d,e){},id:function(b,c,d,e){if(d.meta.inout){var f=d.node.get(d.name,a.IN).input;if(f)return f.node.owner().fetch(b,c,f,e+1)}return d.id()}};a.Block.Snippet=
+function(b){this.snippet=new a.Snippet(b);a.Block.call(this)};a.Block.Snippet.prototype=_.extend({},a.Block.prototype,{insert:function(b,c,d){a.Block.Snippet.compileCall(b,c,this.node(),this.snippet,d)},fetch:function(a,c,d,e){a.include(this,c)||this.insert(a,c,e);return this.id(a,c,d,e)},outlets:function(){return a.Block.Snippet.makeOutlets(this.snippet)}});a.Block.Material=function(b,c){this.vertex=new a.Snippet(b);this.fragment=new a.Snippet(c);a.Block.call(this)};a.Block.Material.prototype=_.extend({},
+a.Block.prototype,{compile:function(){if(0<this.node().outputs.length)throw"Can't compile material with outputs";this.node();var b=new a.Program;this.insert(b,"vertex",0);this.insert(b,"fragment",0);b.compile();return b},insert:function(b,c,d){a.Block.Snippet.compileCall(b,c,this.node(),this[c],d)},fetch:function(a,c,d,e){a.include(this,c)||this.insert(a,c,e);"fragment"==c&&(a.include(this,"vertex")||this.insert(a,"vertex",0));return this.id(a,c,d,e)},outlets:function(){var b=a.Block.Snippet.makeOutlets(this.vertex),
+c=a.Block.Snippet.makeOutlets(this.fragment);return _.union(b,c)}});a.Block.Snippet.makeOutlets=function(b){var c=[];if(b.outlets)return b.outlets;var d=b.arguments();_.each(d.parameters,function(b){b=_.extend({},b);b.meta={required:!0};b.hint=b.name.replace(/(In|Out)$/,"");b.category="parameter";if(b.inout==a.INOUT){b.meta.inout=!0;var d=_.extend({},b);d.inout=a.IN;c.push(d);b.inout=a.OUT}c.push(b)});_.each(d.uniforms,function(b){b.meta={};b.hint=b.name.replace(/(In|Out)$/,"");b.category="uniform";
+b.inout=a.IN;c.push(b)});return b.outlets=c};a.Block.Snippet.compileCall=function(b,c,d,e,f){var g=e.arguments(),h=[];_.each(g.parameters,function(e){var g=d.get(e.name,e.inout==a.INOUT?a.IN:e.inout);if(e.inout==a.IN||e.inout==a.INOUT)if(g.input)g=g.input.node.owner().fetch(b,c,g.input,f+1),b.variable(c,g,e),h.push(g);else throw console.log("Outlet",e,input),["Missing connection on outlet for "+e.name];else e.inout==a.OUT&&(g=g.id(),b.variable(c,g,e),h.push(g))});var k=[];_.each(g.uniforms,function(a){var e=
+d.get(a.name);e.input?(e=e.input.node.owner().fetch(b,c,e.input,f+1),b.variable(c,e,a),h.push(e),k.push(a.name)):b.external("uniform",a)});_.each(g.attributes,function(a){b.external("attribute",a)});_.each(g.varyings,function(a){b.external("varying",a)});g=["_sg",c,e.name,d.owner().index].join("_");e=e.compile(g,k,!0);b.add(c,g,h,e,f)}})(ShaderGraph);
 (function(a){a.Factory=function(){this.end()};a.Factory.prototype={snippet:function(b,c){c=c||"append";var d=new a.Block.Snippet(ShaderGraph.getShader(b));this[c](d.node());return this},material:function(b,c,d){d=d||"append";b=new a.Block.Material(ShaderGraph.getShader(b),ShaderGraph.getShader(c));this[d](b.node());return this},snippetBefore:function(a){this.snippet(a,"prepend");return this},materialBefore:function(a,c){this.material(code,"prepend");return this},append:function(a){a.graph||this.graph.add(a);
-var c=this.stack[0];_.each(c.end,function(c){c.connect(a)});c.start.length||(c.start=[a]);c.end=[a];return this},prepend:function(a){a.graph||this.graph.add(a);var c=this.stack[0];_.each(c.start,function(c){a.connect(c)});c.end.length||(c.end=[a]);c.start=[a];return this},group:function(){this.stack.unshift({start:[],end:[]});this.stack.unshift({start:[],end:[]});return this},next:function(){var a=this.stack.shift(),c=this.stack[0];c.start=c.start.concat(a.start);c.end=c.end.concat(a.end);this.stack.unshift({start:[],
-end:[]});return this},combine:function(){if(2>=this.stack.length)throw"Popping factory stack too far.";this.next();this.stack.shift();var a=this.stack.shift(),c=this.stack[0];_.each(a.start,function(a){_.each(c.end,function(b){b.connect(a,!0)})});c.end=a.end;return this},end:function(){var b=this.graph;this.graph=new a.Graph;this.stack=[];this.group();b&&(b.compile=function(){return b.tail().owner().compile()});return b}}})(ShaderGraph);
+var c=this.stack[0];_.each(c.end,function(c){c.connect(a)});c.start.length||(c.start=[a]);c.end=[a];return this},prepend:function(a){a.graph||this.graph.add(a);var c=this.stack[0];_.each(c.start,function(c){a.connect(c)});c.end.length||(c.end=[a]);c.start=[a];return this},group:function(){this.stack.unshift({start:[],end:[]});this.stack.unshift({start:[],end:[]});return this},pass:function(){this.next();this.stack[0].start.push(null);return this.combine()},next:function(){var a=this.stack.shift(),
+c=this.stack[0];c.start=c.start.concat(a.start);c.end=c.end.concat(a.end);this.stack.unshift({start:[],end:[]});return this},combine:function(){if(2>=this.stack.length)throw"Popping factory stack too far.";this.next();this.stack.shift();var a=this.stack.shift(),c=this.stack[0];a.start.length&&(_.each(a.start,function(d){d?_.each(c.end,function(a){a.connect(d,!0)}):a.end=a.end.concat(c.end)}),c.end=a.end);return this},end:function(){var b=this.graph;this.graph=new a.Graph;this.stack=[];this.group();
+b&&(b.compile=function(){return b.tail().owner().compile()});return b}}})(ShaderGraph);
 (function(a){a.Program=function(){this.calls={vertex:{},fragment:{}};this.variables={vertex:{},fragment:{}};this.externals={};this.compiled=!1;this.attributes={};this.uniforms={};this.fragmentShader=this.vertexShader="";this.includes={vertex:[],fragment:[]}};a.Program.types={f:"float",v2:"vec2",v3:"vec3",v4:"vec4",m3:"mat3",m4:"mat4",t:"sampler2D"};a.Program.prototype={include:function(a,c){if(0<=this.includes[c].indexOf(a))return!0;this.includes[c].push(a);return!1},external:function(a,c){c=_.extend({category:a},
 c);this.externals[c.name]=c},variable:function(a,c,d){d=_.extend({},d,{name:c});this.variables[a][c]=d},add:function(a,c,d,e,f){var g=this.calls[a][c];g?g.priority=Math.min(g.priority,f):this.calls[a][c]={name:c,args:d,code:e,priority:f}},compile:function(){_.each(this.externals,function(a){"uniform"==a.category&&(this.uniforms[a.name]={type:a.type,value:a.value});"attribute"==a.category&&(this.attributes[a.name]={type:a.type,value:[]})}.bind(this));_.each(["vertex","fragment"],function(b){var c=
 [];_.each(this.externals,function(a){"attribute"==a.category&&"fragment"==b||c.push([a.category,a.signature,";"].join(" "))}.bind(this));var c=c.join("\n"),d=_.toArray(this.calls[b]),e=[c],f=["void main() {"];_.each(this.variables[b],function(b){f.push([a.Program.types[b.type],b.name,";"].join(" "))});d.sort(function(a,b){return b.priority-a.priority});_.each(d,function(a){e.push(a.code);f.push([a.name,"(",a.args.join(","),");"].join(""))});f.push("}");this[b+"Shader"]=[e.join("\n"),f.join("\n")].join("\n")}.bind(this));
@@ -76,10 +78,10 @@ a.push(c)})});return a},tail:function(){return this.nodes[this.nodes.length-1]},
 b){var c={};_.each(b,function(a){c[[a.name,a.inout,a.type].join("-")]=!0}.bind(this));_.each(this._outlets,function(a){c[[a.name,a.inout,a.type].join("-")]||this.remove(a)}.bind(this));_.each(b,function(b){var c=this.get(b.name,b.inout);c?c.morph(b):(b=new a.Outlet(b),this.add(b))}.bind(this));return this}return this._outlets},add:function(b){var c=this.key(b);outlets=this._outlets;_in=this.inputs;_out=this.outputs;if(b.node)throw"Adding outlet to two nodes at once.";if(outlets[c])throw"Adding two identical outlets to same node.";
 b.link(this);outlets[c]=b;(b.inout==a.IN?_in:_out).push(b);return this},remove:function(b){var c=this._outlets,d=this.key(b),e=b.inout==a.IN?this.inputs:this.outputs;if(b.node!=this)throw"Removing outlet from wrong node.";b.disconnect();b.link(null);delete c[d];e.splice(e.indexOf(b),1);return this},connect:function(a,c,d){var e={},f={};_.each(a.inputs,function(a){if(d||!a.input){var b=a.type,c=[b,a.hint].join("-");f[c]||(f[c]=a);e[b]=e[b]||[];e[b].push(a)}});_.each(this.outputs,function(a){if(!c||
 !a.output.length){var b=a.type,d=[b,a.hint].join("-");f[d]?(f[d].connect(a),delete f[d],e[b].splice(e[b].indexOf(a),1)):e[b]&&e[b].length&&e[b].shift().connect(a)}});return this},disconnect:function(a){_.each(this.inputs,function(a){a.disconnect()});_.each(this.outputs,function(a){a.disconnect()});return this}}})(ShaderGraph);
-(function(a){a.Outlets=0;a.Outlet=function(b,c,d,e,f,g,h){if("object"==typeof b)return new a.Outlet(b.inout,b.name,b.hint,b.type,b.category,b.exposed);this.node=null;this.inout=b;this.name=c;this.hint=d||c;this.type=e;this.category=f;this.exposed=!!g;this.meta=h||{};this.index=++a.Outlets;this.input=this.key=null;this.output=[]};a.Outlet.prototype={id:function(){return["_sg",this.name,this.index].join("_")},expose:function(a){this.exposed=a},morph:function(a){this.inout=a.inout;this.name=a.name;this.type=
-a.type;this.category=a.category;this.exposed=a.exposed;this.meta=a.meta||{}},connect:function(b){if(this.inout==a.IN&&b.inout==a.OUT)return b.connect(this);if(this.inout!=a.OUT||b.inout!=a.IN)throw console.log(this,b),"Can't connect out/out or in/in outlets.";b.input!=this&&(b.disconnect(),b.input=this,this.output.push(b))},disconnect:function(b){if(this.inout==a.IN)this.input&&this.input.disconnect(this);else if(b){var c=this.output.indexOf(b);0<=c&&(this.output.splice(c,1),b.input=null)}else _.each(this.output,
+(function(a){a.Outlets=0;a.Outlet=function(b,c,d,e,f,g,h){if("object"==typeof b)return new a.Outlet(b.inout,b.name,b.hint,b.type,b.category,b.exposed,b.meta);this.node=null;this.inout=b;this.name=c;this.hint=d||c;this.type=e;this.category=f;this.exposed=!!g;this.meta=h||{};this.index=++a.Outlets;this.input=this.key=null;this.output=[]};a.Outlet.prototype={id:function(){return["_sg",this.name,this.index].join("_")},expose:function(a){this.exposed=a},morph:function(a){this.inout=a.inout;this.name=a.name;
+this.type=a.type;this.category=a.category;this.exposed=a.exposed;this.meta=a.meta||{}},connect:function(b){if(this.inout==a.IN&&b.inout==a.OUT)return b.connect(this);if(this.inout!=a.OUT||b.inout!=a.IN)throw console.log(this,b),"Can't connect out/out or in/in outlets.";b.input!=this&&(b.disconnect(),b.input=this,this.output.push(b))},disconnect:function(b){if(this.inout==a.IN)this.input&&this.input.disconnect(this);else if(b){var c=this.output.indexOf(b);0<=c&&(this.output.splice(c,1),b.input=null)}else _.each(this.output,
 function(a){a.input=null}),this.output=[]},link:function(a){this.node=a}}})(ShaderGraph);\u03c0=Math.PI;\u03c4=2*\u03c0;(function(a){for(var b in a)if(!window[b])throw"Error: MathBox requires "+a[b];})({THREE:"Three.js",tQuery:"tQuery.js (bundle)",ThreeBox:"ThreeBox.js",ThreeRTT:"ThreeRTT.js"});window.MathBox={};window.mathBox=function(a,b){!a||a instanceof Node||(b=a,a=null);return tQuery.createWorld(b).mathBox(a,b)};
-MathBox.getShader=function(a){var b=document.getElementById(a);return b&&(b.innerText||b.textContent)||a};Math.sign=function(a){return 0<a?1:0>a?-1:0};MathBox.Attributes=function(){};
+MathBox.getShader=function(a){var b=document.getElementById(a);return b&&b.textContent||a};Math.sign=function(a){return 0<a?1:0>a?-1:0};MathBox.Attributes=function(){};
 MathBox.Attributes.prototype={get:function(a){return void 0===a?this.__attributes||{}:this.__attributes?this.__attributes[a]:void 0},set:function(a,b){function c(a,b){try{b=h(a,b),d[a]=b,f[a]=b}catch(c){throw"Exception setting '"+a+"' to '"+b+"': "+c;}}this.__attributes||(this.__attributes={});this.__validators||(this.__validators={});var d={},e=this.__validators,f=this.__attributes,g=this,h=function(a,b){if(void 0===e[a]){var c="validate"+a.charAt(0).toUpperCase()+a.slice(1);e[a]=g[c]||!1}return e[a]?
 e[a].call(this,b):b}.bind(this);void 0!==a&&null!==a&&(a.constructor==String?c(a,b):_.each(a,function(a,b){c(b,a)}),this.emit("change",d))}};MicroEvent.mixin(MathBox.Attributes);MathBox.Attributes.mixin=function(a){_.each(["get","set","on","emit"],function(b){a.prototype[b]=MathBox.Attributes.prototype[b]})};MathBox.Animator=function(){this.active=[]};MathBox.Animator.now=1;
 MathBox.Animator.prototype={finalState:function(a){var b=_.extend({},a.get());a.__queue&&_.each(a.__queue,function(a,d){_.each(a,function(a){a.to&&(b[d]=a.to)})});return b},attach:function(a){if(!a.__queue){if(!a.__attributes)throw"Cannot attach to object without attributes";var b=this,c=a.set;a.set=function(a,e,f){if(!f){f=a;if(void 0===a||null===a)return;a.constructor==String&&(f={},f[a]=e);b.stop(this,f)}c.call(this,a,e)};a.__queue={};a.__animations=0}},hurry:function(a,b,c){c=c||4;_.each(b||a.__queue,
@@ -165,7 +167,9 @@ k[12][1],k[13][1],k[14][1],k[15][1]);this.matrixZ.set(k[0][2],k[1][2],k[2][2],k[
 m)/(g[0]-1),t=(c[1][1]-q)/(g[1]-1),s=0;_.loop(g[1],function(b){m=c[0][0];_.loop(g[0],function(b){a[s].set(m,q,0);m+=u;s++}.bind(this));q+=t}.bind(this));l={uniforms:l,shaders:{position:function(a,b){f?(a.snippet("bezierSurface"+e),a.group(),a.snippet("mathTransform"),b.viewport(a),a.next(),a.snippet("mathTransform"),b.viewport(a),a.next(),a.snippet("mathTransform"),b.viewport(a),a.combine()):(a.snippet("bezierSurface"+e).snippet("mathTransform"),b.viewport(a))}}};this.mesh.set(l);this.line.set(l);
 this.points.set(l)}});MathBox.Primitive.types.bezierSurface=MathBox.BezierSurface;MathBox.Platonic=function(a){null!==a&&MathBox.Primitive.call(this,a)};
 MathBox.Platonic.prototype=_.extend(new MathBox.Primitive(null),{defaults:function(){return{n:1,type:"cube",points:!1,line:!1,mesh:!0,doubleSided:!0,flipSided:!1,shaded:!0,style:{}}},type:function(){return"platonic"},renderables:function(){return[this.mesh,this.line,this.points]},adjust:function(a){a=this.get();this.mesh.show(a.mesh);this.line.show(a.line);this.points.show(a.points)},make:function(){var a=this.get(),b=this.style,c;switch(a.type){case "cube":c=new THREE.CubeGeometry(2,2,2,1,1,1)}this.mesh=
-new MathBox.Renderable.Mesh(c,{type:"mesh",doubleSided:a.doubleSided,flipSided:a.flipSided,shaded:a.shaded,smooth:!1,dynamic:a.live},b);this.line=new MathBox.Renderable.Mesh(c,{type:"mesh",shaded:a.shaded,smooth:!1,dynamic:a.live,wireframe:!0},b);this.points=new MathBox.Renderable.Mesh(c.vertices,{type:"points",dynamic:a.live},b)}});MathBox.Primitive.types.platonic=MathBox.Platonic;
+new MathBox.Renderable.Mesh(c,{type:"mesh",doubleSided:a.doubleSided,flipSided:a.flipSided,shaded:a.shaded,smooth:!1,dynamic:a.live},b);this.line=new MathBox.Renderable.Mesh(c,{type:"mesh",shaded:a.shaded,smooth:!1,dynamic:a.live,wireframe:!0},b);this.points=new MathBox.Renderable.Mesh(c.vertices,{type:"points",dynamic:a.live},b)}});MathBox.Primitive.types.platonic=MathBox.Platonic;MathBox.Label=function(a){null!==a&&MathBox.Primitive.call(this,a)};
+MathBox.Label.prototype=_.extend(new MathBox.Primitive(null),{defaults:function(){return{position:[0,0,0],facing:1,distance:15,style:{color:new THREE.Color(7368816)},text:""}},renderables:function(){return[this.labels]},type:function(){return"label"},adjust:function(a,b){var c=this.get(),d=[0,0,0];d[c.facing]=1;c=this.labelTangent;c.set.apply(c,d);this.labels.show(!0)},make:function(){var a=this.get(),b=a.position,c=a.text,d=a.distance,a=this.style,e=this.labelTangent=new THREE.Vector3,d={dynamic:!0,
+distance:d},f=new THREE.Vector3;f.set.apply(f,b);b=function(a){return c}.bind(this);this.labels=new MathBox.Renderable.Labels([f],e,b,d,a)}});MathBox.Label.validateArgs=function(a){return a};MathBox.Primitive.types.label=MathBox.Label;
 MathBox.Renderable=function(a,b){if(null!==a){this.id=++MathBox.Renderable.id;var c=this.defaults();a&&(a=_.extend(c,a||{}));this.set(a||c);this.geometry=this.material=this.object=null;this.visible=!0;this.style=b||new MathBox.Style;this.style.on("change",this.styleCallback=this.refreshStyle.bind(this));this.on("change",this.uniformsCallback=this.refreshOptions.bind(this));this.mathTransform=new THREE.Matrix4}};MathBox.Renderable.id=0;
 MathBox.Renderable.prototype={defaults:function(){return{}},make:function(a){},destroy:function(){},show:function(a){a=void 0===a?!0:!!a;a!=this.visible&&(this.visible=a,this.refresh())},isVisible:function(){return this.object&&this.object.visible},composeTransform:function(a,b,c){var d=THREE.Matrix4.__m1,e=THREE.Matrix4.__m2;d.identity();d.setRotationFromEuler(b,this.object.eulerOrder);e.makeScale(c.x,c.y,c.z);this.mathTransform.multiply(d,e);b=this.mathTransform.elements;b[12]=a.x;b[13]=a.y;b[14]=
 a.z},refreshStyle:function(a){var b=this.style.get();a=a||b;this.material&&this.material.applyUniforms(a);if(this.object){this.object.frustumCulled=!1;a.worldPosition&&(this.object.position=b.worldPosition);a.worldRotation&&(this.object.rotation=b.worldRotation);a.worldScale&&(this.object.scale=b.worldScale);if(a.mathPosition||a.mathRotation||a.mathScale)this.composeTransform(b.mathPosition,b.mathRotation,b.mathScale),this.material&&this.material.applyUniforms({mathTransform:this.mathTransform});

From 7f30093405269ba1fd376e0800241488f8fc4b24 Mon Sep 17 00:00:00 2001
From: ichuang <ichuang@mit.edu>
Date: Fri, 4 Apr 2014 14:30:09 -0400
Subject: [PATCH 3/9] improved Label.js to allow animation of label position

---
 src/primitives/Label.js | 11 +++++++++--
 1 file changed, 9 insertions(+), 2 deletions(-)

diff --git a/src/primitives/Label.js b/src/primitives/Label.js
index e9e31c5..7889c0b 100644
--- a/src/primitives/Label.js
+++ b/src/primitives/Label.js
@@ -34,9 +34,16 @@ MathBox.Label.prototype = _.extend(new MathBox.Primitive(null), {
     var options = this.get(),
     // Axis vector direction for labels
     p = [0, 0, 0];
+
     p[options.facing] = 1;
+
     var labelTangent = this.labelTangent;
     labelTangent.set.apply(labelTangent, p);
+
+    var position = options.position;
+    var labelPoint = this.labelPoint;
+    labelPoint.set.apply(labelPoint, position);
+
     this.labels.show(true);
   },
 
@@ -46,10 +53,10 @@ MathBox.Label.prototype = _.extend(new MathBox.Primitive(null), {
       text = options.text,
       distance = options.distance,
       style = this.style,
-      labelTangent = this.labelTangent = new THREE.Vector3();
+    labelTangent = this.labelTangent = new THREE.Vector3(),
+      labelPoint  = this.labelPoint = new THREE.Vector3();
 
     var labelOptions = { dynamic: true, distance: distance };
-    var labelPoint  = new THREE.Vector3();
     labelPoint.set.apply(labelPoint, position)
     // label text callback
     var callback = function (i) {

From 35ee70258a49458e90eb13e9fc1bf5901af99168 Mon Sep 17 00:00:00 2001
From: ichuang <ichuang@mit.edu>
Date: Fri, 4 Apr 2014 14:30:36 -0400
Subject: [PATCH 4/9] new build

---
 build/MathBox-bundle.js     |   11 +-
 build/MathBox-bundle.min.js | 1316 +----------------------------------
 build/MathBox-core.js       |   11 +-
 build/MathBox-core.min.js   |  126 +---
 build/MathBox.js            |   11 +-
 build/MathBox.min.js        |  209 +-----
 6 files changed, 30 insertions(+), 1654 deletions(-)

diff --git a/build/MathBox-bundle.js b/build/MathBox-bundle.js
index 449247d..97816da 100644
--- a/build/MathBox-bundle.js
+++ b/build/MathBox-bundle.js
@@ -46351,9 +46351,16 @@ MathBox.Label.prototype = _.extend(new MathBox.Primitive(null), {
     var options = this.get(),
     // Axis vector direction for labels
     p = [0, 0, 0];
+
     p[options.facing] = 1;
+
     var labelTangent = this.labelTangent;
     labelTangent.set.apply(labelTangent, p);
+
+    var position = options.position;
+    var labelPoint = this.labelPoint;
+    labelPoint.set.apply(labelPoint, position);
+
     this.labels.show(true);
   },
 
@@ -46363,10 +46370,10 @@ MathBox.Label.prototype = _.extend(new MathBox.Primitive(null), {
       text = options.text,
       distance = options.distance,
       style = this.style,
-      labelTangent = this.labelTangent = new THREE.Vector3();
+    labelTangent = this.labelTangent = new THREE.Vector3(),
+      labelPoint  = this.labelPoint = new THREE.Vector3();
 
     var labelOptions = { dynamic: true, distance: distance };
-    var labelPoint  = new THREE.Vector3();
     labelPoint.set.apply(labelPoint, position)
     // label text callback
     var callback = function (i) {
diff --git a/build/MathBox-bundle.min.js b/build/MathBox-bundle.min.js
index 403cae2..8b13789 100644
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-String.prototype.trim=String.prototype.trim||function(){return this.replace(/^\s+|\s+$/g,"")};
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-(a.x*a.z+a.y*a.w),g-d-e+f),this.z=Math.atan2(2*(a.x*a.y+a.z*a.w),g-d+e-f)):"ZXY"===b?(this.x=Math.asin(c(2*(a.x*a.w+a.y*a.z))),this.y=Math.atan2(2*(a.y*a.w-a.z*a.x),g-d-e+f),this.z=Math.atan2(2*(a.z*a.w-a.x*a.y),g-d+e-f)):"ZYX"===b?(this.x=Math.atan2(2*(a.x*a.w+a.z*a.y),g-d-e+f),this.y=Math.asin(c(2*(a.y*a.w-a.x*a.z))),this.z=Math.atan2(2*(a.x*a.y+a.z*a.w),g+d-e-f)):"YZX"===b?(this.x=Math.atan2(2*(a.x*a.w-a.z*a.y),g-d+e-f),this.y=Math.atan2(2*(a.y*a.w-a.x*a.z),g+d-e-f),this.z=Math.asin(c(2*(a.x*a.y+
-a.z*a.w)))):"XZY"===b&&(this.x=Math.atan2(2*(a.x*a.w+a.y*a.z),g-d+e-f),this.y=Math.atan2(2*(a.x*a.z+a.y*a.w),g+d-e-f),this.z=Math.asin(c(2*(a.z*a.w-a.x*a.y))));return this},getScaleFromMatrix:function(a){var b=this.set(a.elements[0],a.elements[1],a.elements[2]).length(),c=this.set(a.elements[4],a.elements[5],a.elements[6]).length();a=this.set(a.elements[8],a.elements[9],a.elements[10]).length();this.x=b;this.y=c;this.z=a;return this},equals:function(a){return a.x===this.x&&a.y===this.y&&a.z===this.z},
-clone:function(){return new THREE.Vector3(this.x,this.y,this.z)}};THREE.Vector4=function(a,b,c,d){this.x=a||0;this.y=b||0;this.z=c||0;this.w=void 0!==d?d:1};
-THREE.Vector4.prototype={constructor:THREE.Vector4,set:function(a,b,c,d){this.x=a;this.y=b;this.z=c;this.w=d;return this},copy:function(a){this.x=a.x;this.y=a.y;this.z=a.z;this.w=void 0!==a.w?a.w:1;return this},add:function(a,b){this.x=a.x+b.x;this.y=a.y+b.y;this.z=a.z+b.z;this.w=a.w+b.w;return this},addSelf:function(a){this.x+=a.x;this.y+=a.y;this.z+=a.z;this.w+=a.w;return this},sub:function(a,b){this.x=a.x-b.x;this.y=a.y-b.y;this.z=a.z-b.z;this.w=a.w-b.w;return this},subSelf:function(a){this.x-=
-a.x;this.y-=a.y;this.z-=a.z;this.w-=a.w;return this},multiplyScalar:function(a){this.x*=a;this.y*=a;this.z*=a;this.w*=a;return this},divideScalar:function(a){a?(this.x/=a,this.y/=a,this.z/=a,this.w/=a):(this.z=this.y=this.x=0,this.w=1);return this},negate:function(){return this.multiplyScalar(-1)},dot:function(a){return this.x*a.x+this.y*a.y+this.z*a.z+this.w*a.w},lengthSq:function(){return this.dot(this)},length:function(){return Math.sqrt(this.lengthSq())},lengthManhattan:function(){return Math.abs(this.x)+
-Math.abs(this.y)+Math.abs(this.z)+Math.abs(this.w)},normalize:function(){return this.divideScalar(this.length())},setLength:function(a){return this.normalize().multiplyScalar(a)},lerpSelf:function(a,b){this.x+=(a.x-this.x)*b;this.y+=(a.y-this.y)*b;this.z+=(a.z-this.z)*b;this.w+=(a.w-this.w)*b;return this},clone:function(){return new THREE.Vector4(this.x,this.y,this.z,this.w)},setAxisAngleFromQuaternion:function(a){this.w=2*Math.acos(a.w);var b=Math.sqrt(1-a.w*a.w);1E-4>b?(this.x=1,this.z=this.y=0):
-(this.x=a.x/b,this.y=a.y/b,this.z=a.z/b);return this},setAxisAngleFromRotationMatrix:function(a){var b,c,d;a=a.elements;var e=a[0];d=a[4];var f=a[8],g=a[1],h=a[5],l=a[9];c=a[2];b=a[6];var k=a[10];if(0.01>Math.abs(d-g)&&0.01>Math.abs(f-c)&&0.01>Math.abs(l-b)){if(0.1>Math.abs(d+g)&&0.1>Math.abs(f+c)&&0.1>Math.abs(l+b)&&0.1>Math.abs(e+h+k-3))return this.set(1,0,0,0),this;a=Math.PI;e=(e+1)/2;h=(h+1)/2;k=(k+1)/2;d=(d+g)/4;f=(f+c)/4;l=(l+b)/4;e>h&&e>k?0.01>e?(b=0,d=c=0.707106781):(b=Math.sqrt(e),c=d/b,
-d=f/b):h>k?0.01>h?(b=0.707106781,c=0,d=0.707106781):(c=Math.sqrt(h),b=d/c,d=l/c):0.01>k?(c=b=0.707106781,d=0):(d=Math.sqrt(k),b=f/d,c=l/d);this.set(b,c,d,a);return this}a=Math.sqrt((b-l)*(b-l)+(f-c)*(f-c)+(g-d)*(g-d));0.001>Math.abs(a)&&(a=1);this.x=(b-l)/a;this.y=(f-c)/a;this.z=(g-d)/a;this.w=Math.acos((e+h+k-1)/2);return this}};THREE.Matrix3=function(){this.elements=new Float32Array(9)};
-THREE.Matrix3.prototype={constructor:THREE.Matrix3,multiplyVector3:function(a){var b=this.elements,c=a.x,d=a.y,e=a.z;a.x=b[0]*c+b[3]*d+b[6]*e;a.y=b[1]*c+b[4]*d+b[7]*e;a.z=b[2]*c+b[5]*d+b[8]*e;return a},multiplyVector3Array:function(a){for(var b=THREE.Matrix3.__v1,c=0,d=a.length;c<d;c+=3)b.x=a[c],b.y=a[c+1],b.z=a[c+2],this.multiplyVector3(b),a[c]=b.x,a[c+1]=b.y,a[c+2]=b.z;return a},getInverse:function(a){var b=a.elements;a=b[10]*b[5]-b[6]*b[9];var c=-b[10]*b[1]+b[2]*b[9],d=b[6]*b[1]-b[2]*b[5],e=-b[10]*
-b[4]+b[6]*b[8],f=b[10]*b[0]-b[2]*b[8],g=-b[6]*b[0]+b[2]*b[4],h=b[9]*b[4]-b[5]*b[8],l=-b[9]*b[0]+b[1]*b[8],k=b[5]*b[0]-b[1]*b[4],b=b[0]*a+b[1]*e+b[2]*h;0===b&&console.warn("Matrix3.getInverse(): determinant == 0");var b=1/b,q=this.elements;q[0]=b*a;q[1]=b*c;q[2]=b*d;q[3]=b*e;q[4]=b*f;q[5]=b*g;q[6]=b*h;q[7]=b*l;q[8]=b*k;return this},transpose:function(){var a,b=this.elements;a=b[1];b[1]=b[3];b[3]=a;a=b[2];b[2]=b[6];b[6]=a;a=b[5];b[5]=b[7];b[7]=a;return this},transposeIntoArray:function(a){var b=this.m;
-a[0]=b[0];a[1]=b[3];a[2]=b[6];a[3]=b[1];a[4]=b[4];a[5]=b[7];a[6]=b[2];a[7]=b[5];a[8]=b[8];return this}};THREE.Matrix3.__v1=new THREE.Vector3;THREE.Matrix4=function(a,b,c,d,e,f,g,h,l,k,q,s,t,v,u,w){this.elements=new Float32Array(16);this.set(void 0!==a?a:1,b||0,c||0,d||0,e||0,void 0!==f?f:1,g||0,h||0,l||0,k||0,void 0!==q?q:1,s||0,t||0,v||0,u||0,void 0!==w?w:1)};
-THREE.Matrix4.prototype={constructor:THREE.Matrix4,set:function(a,b,c,d,e,f,g,h,l,k,q,s,t,v,u,w){var x=this.elements;x[0]=a;x[4]=b;x[8]=c;x[12]=d;x[1]=e;x[5]=f;x[9]=g;x[13]=h;x[2]=l;x[6]=k;x[10]=q;x[14]=s;x[3]=t;x[7]=v;x[11]=u;x[15]=w;return this},identity:function(){this.set(1,0,0,0,0,1,0,0,0,0,1,0,0,0,0,1);return this},copy:function(a){a=a.elements;this.set(a[0],a[4],a[8],a[12],a[1],a[5],a[9],a[13],a[2],a[6],a[10],a[14],a[3],a[7],a[11],a[15]);return this},lookAt:function(a,b,c){var d=this.elements,
-e=THREE.Matrix4.__v1,f=THREE.Matrix4.__v2,g=THREE.Matrix4.__v3;g.sub(a,b).normalize();0===g.length()&&(g.z=1);e.cross(c,g).normalize();0===e.length()&&(g.x+=1E-4,e.cross(c,g).normalize());f.cross(g,e);d[0]=e.x;d[4]=f.x;d[8]=g.x;d[1]=e.y;d[5]=f.y;d[9]=g.y;d[2]=e.z;d[6]=f.z;d[10]=g.z;return this},multiply:function(a,b){var c=a.elements,d=b.elements,e=this.elements,f=c[0],g=c[4],h=c[8],l=c[12],k=c[1],q=c[5],s=c[9],t=c[13],v=c[2],u=c[6],w=c[10],x=c[14],y=c[3],A=c[7],C=c[11],c=c[15],B=d[0],z=d[4],D=d[8],
-I=d[12],J=d[1],F=d[5],K=d[9],L=d[13],H=d[2],T=d[6],R=d[10],m=d[14],O=d[3],W=d[7],P=d[11],d=d[15];e[0]=f*B+g*J+h*H+l*O;e[4]=f*z+g*F+h*T+l*W;e[8]=f*D+g*K+h*R+l*P;e[12]=f*I+g*L+h*m+l*d;e[1]=k*B+q*J+s*H+t*O;e[5]=k*z+q*F+s*T+t*W;e[9]=k*D+q*K+s*R+t*P;e[13]=k*I+q*L+s*m+t*d;e[2]=v*B+u*J+w*H+x*O;e[6]=v*z+u*F+w*T+x*W;e[10]=v*D+u*K+w*R+x*P;e[14]=v*I+u*L+w*m+x*d;e[3]=y*B+A*J+C*H+c*O;e[7]=y*z+A*F+C*T+c*W;e[11]=y*D+A*K+C*R+c*P;e[15]=y*I+A*L+C*m+c*d;return this},multiplySelf:function(a){return this.multiply(this,
-a)},multiplyToArray:function(a,b,c){var d=this.elements;this.multiply(a,b);c[0]=d[0];c[1]=d[1];c[2]=d[2];c[3]=d[3];c[4]=d[4];c[5]=d[5];c[6]=d[6];c[7]=d[7];c[8]=d[8];c[9]=d[9];c[10]=d[10];c[11]=d[11];c[12]=d[12];c[13]=d[13];c[14]=d[14];c[15]=d[15];return this},multiplyScalar:function(a){var b=this.elements;b[0]*=a;b[4]*=a;b[8]*=a;b[12]*=a;b[1]*=a;b[5]*=a;b[9]*=a;b[13]*=a;b[2]*=a;b[6]*=a;b[10]*=a;b[14]*=a;b[3]*=a;b[7]*=a;b[11]*=a;b[15]*=a;return this},multiplyVector3:function(a){var b=this.elements,
-c=a.x,d=a.y,e=a.z,f=1/(b[3]*c+b[7]*d+b[11]*e+b[15]);a.x=(b[0]*c+b[4]*d+b[8]*e+b[12])*f;a.y=(b[1]*c+b[5]*d+b[9]*e+b[13])*f;a.z=(b[2]*c+b[6]*d+b[10]*e+b[14])*f;return a},multiplyVector4:function(a){var b=this.elements,c=a.x,d=a.y,e=a.z,f=a.w;a.x=b[0]*c+b[4]*d+b[8]*e+b[12]*f;a.y=b[1]*c+b[5]*d+b[9]*e+b[13]*f;a.z=b[2]*c+b[6]*d+b[10]*e+b[14]*f;a.w=b[3]*c+b[7]*d+b[11]*e+b[15]*f;return a},multiplyVector3Array:function(a){for(var b=THREE.Matrix4.__v1,c=0,d=a.length;c<d;c+=3)b.x=a[c],b.y=a[c+1],b.z=a[c+2],
-this.multiplyVector3(b),a[c]=b.x,a[c+1]=b.y,a[c+2]=b.z;return a},rotateAxis:function(a){var b=this.elements,c=a.x,d=a.y,e=a.z;a.x=c*b[0]+d*b[4]+e*b[8];a.y=c*b[1]+d*b[5]+e*b[9];a.z=c*b[2]+d*b[6]+e*b[10];a.normalize();return a},crossVector:function(a){var b=this.elements,c=new THREE.Vector4;c.x=b[0]*a.x+b[4]*a.y+b[8]*a.z+b[12]*a.w;c.y=b[1]*a.x+b[5]*a.y+b[9]*a.z+b[13]*a.w;c.z=b[2]*a.x+b[6]*a.y+b[10]*a.z+b[14]*a.w;c.w=a.w?b[3]*a.x+b[7]*a.y+b[11]*a.z+b[15]*a.w:1;return c},determinant:function(){var a=
-this.elements,b=a[0],c=a[4],d=a[8],e=a[12],f=a[1],g=a[5],h=a[9],l=a[13],k=a[2],q=a[6],s=a[10],t=a[14],v=a[3],u=a[7],w=a[11],a=a[15];return e*h*q*v-d*l*q*v-e*g*s*v+c*l*s*v+d*g*t*v-c*h*t*v-e*h*k*u+d*l*k*u+e*f*s*u-b*l*s*u-d*f*t*u+b*h*t*u+e*g*k*w-c*l*k*w-e*f*q*w+b*l*q*w+c*f*t*w-b*g*t*w-d*g*k*a+c*h*k*a+d*f*q*a-b*h*q*a-c*f*s*a+b*g*s*a},transpose:function(){var a=this.elements,b;b=a[1];a[1]=a[4];a[4]=b;b=a[2];a[2]=a[8];a[8]=b;b=a[6];a[6]=a[9];a[9]=b;b=a[3];a[3]=a[12];a[12]=b;b=a[7];a[7]=a[13];a[13]=b;b=
-a[11];a[11]=a[14];a[14]=b;return this},flattenToArray:function(a){var b=this.elements;a[0]=b[0];a[1]=b[1];a[2]=b[2];a[3]=b[3];a[4]=b[4];a[5]=b[5];a[6]=b[6];a[7]=b[7];a[8]=b[8];a[9]=b[9];a[10]=b[10];a[11]=b[11];a[12]=b[12];a[13]=b[13];a[14]=b[14];a[15]=b[15];return a},flattenToArrayOffset:function(a,b){var c=this.elements;a[b]=c[0];a[b+1]=c[1];a[b+2]=c[2];a[b+3]=c[3];a[b+4]=c[4];a[b+5]=c[5];a[b+6]=c[6];a[b+7]=c[7];a[b+8]=c[8];a[b+9]=c[9];a[b+10]=c[10];a[b+11]=c[11];a[b+12]=c[12];a[b+13]=c[13];a[b+
-14]=c[14];a[b+15]=c[15];return a},getPosition:function(){var a=this.elements;return THREE.Matrix4.__v1.set(a[12],a[13],a[14])},setPosition:function(a){var b=this.elements;b[12]=a.x;b[13]=a.y;b[14]=a.z;return this},getColumnX:function(){var a=this.elements;return THREE.Matrix4.__v1.set(a[0],a[1],a[2])},getColumnY:function(){var a=this.elements;return THREE.Matrix4.__v1.set(a[4],a[5],a[6])},getColumnZ:function(){var a=this.elements;return THREE.Matrix4.__v1.set(a[8],a[9],a[10])},getInverse:function(a){var b=
-this.elements,c=a.elements,d=c[0],e=c[4],f=c[8],g=c[12],h=c[1],l=c[5],k=c[9],q=c[13],s=c[2],t=c[6],v=c[10],u=c[14],w=c[3],x=c[7],y=c[11],c=c[15];b[0]=k*u*x-q*v*x+q*t*y-l*u*y-k*t*c+l*v*c;b[4]=g*v*x-f*u*x-g*t*y+e*u*y+f*t*c-e*v*c;b[8]=f*q*x-g*k*x+g*l*y-e*q*y-f*l*c+e*k*c;b[12]=g*k*t-f*q*t-g*l*v+e*q*v+f*l*u-e*k*u;b[1]=q*v*w-k*u*w-q*s*y+h*u*y+k*s*c-h*v*c;b[5]=f*u*w-g*v*w+g*s*y-d*u*y-f*s*c+d*v*c;b[9]=g*k*w-f*q*w-g*h*y+d*q*y+f*h*c-d*k*c;b[13]=f*q*s-g*k*s+g*h*v-d*q*v-f*h*u+d*k*u;b[2]=l*u*w-q*t*w+q*s*x-h*u*
-x-l*s*c+h*t*c;b[6]=g*t*w-e*u*w-g*s*x+d*u*x+e*s*c-d*t*c;b[10]=e*q*w-g*l*w+g*h*x-d*q*x-e*h*c+d*l*c;b[14]=g*l*s-e*q*s-g*h*t+d*q*t+e*h*u-d*l*u;b[3]=k*t*w-l*v*w-k*s*x+h*v*x+l*s*y-h*t*y;b[7]=e*v*w-f*t*w+f*s*x-d*v*x-e*s*y+d*t*y;b[11]=f*l*w-e*k*w-f*h*x+d*k*x+e*h*y-d*l*y;b[15]=e*k*s-f*l*s+f*h*t-d*k*t-e*h*v+d*l*v;this.multiplyScalar(1/a.determinant());return this},setRotationFromEuler:function(a,b){var c=this.elements,d=a.x,e=a.y,f=a.z,g=Math.cos(d),d=Math.sin(d),h=Math.cos(e),e=Math.sin(e),l=Math.cos(f),f=
-Math.sin(f);if(void 0===b||"XYZ"===b){var k=g*l,q=g*f,s=d*l,t=d*f;c[0]=h*l;c[4]=-h*f;c[8]=e;c[1]=q+s*e;c[5]=k-t*e;c[9]=-d*h;c[2]=t-k*e;c[6]=s+q*e;c[10]=g*h}else"YXZ"===b?(k=h*l,q=h*f,s=e*l,t=e*f,c[0]=k+t*d,c[4]=s*d-q,c[8]=g*e,c[1]=g*f,c[5]=g*l,c[9]=-d,c[2]=q*d-s,c[6]=t+k*d,c[10]=g*h):"ZXY"===b?(k=h*l,q=h*f,s=e*l,t=e*f,c[0]=k-t*d,c[4]=-g*f,c[8]=s+q*d,c[1]=q+s*d,c[5]=g*l,c[9]=t-k*d,c[2]=-g*e,c[6]=d,c[10]=g*h):"ZYX"===b?(k=g*l,q=g*f,s=d*l,t=d*f,c[0]=h*l,c[4]=s*e-q,c[8]=k*e+t,c[1]=h*f,c[5]=t*e+k,c[9]=
-q*e-s,c[2]=-e,c[6]=d*h,c[10]=g*h):"YZX"===b?(k=g*h,q=g*e,s=d*h,t=d*e,c[0]=h*l,c[4]=t-k*f,c[8]=s*f+q,c[1]=f,c[5]=g*l,c[9]=-d*l,c[2]=-e*l,c[6]=q*f+s,c[10]=k-t*f):"XZY"===b&&(k=g*h,q=g*e,s=d*h,t=d*e,c[0]=h*l,c[4]=-f,c[8]=e*l,c[1]=k*f+t,c[5]=g*l,c[9]=q*f-s,c[2]=s*f-q,c[6]=d*l,c[10]=t*f+k);return this},setRotationFromQuaternion:function(a){var b=this.elements,c=a.x,d=a.y,e=a.z,f=a.w,g=c+c,h=d+d,l=e+e;a=c*g;var k=c*h,c=c*l,q=d*h,d=d*l,e=e*l,g=f*g,h=f*h,f=f*l;b[0]=1-(q+e);b[4]=k-f;b[8]=c+h;b[1]=k+f;b[5]=
-1-(a+e);b[9]=d-g;b[2]=c-h;b[6]=d+g;b[10]=1-(a+q);return this},compose:function(a,b,c){var d=this.elements,e=THREE.Matrix4.__m1,f=THREE.Matrix4.__m2;e.identity();e.setRotationFromQuaternion(b);f.makeScale(c.x,c.y,c.z);this.multiply(e,f);d[12]=a.x;d[13]=a.y;d[14]=a.z;return this},decompose:function(a,b,c){var d=this.elements,e=THREE.Matrix4.__v1,f=THREE.Matrix4.__v2,g=THREE.Matrix4.__v3;e.set(d[0],d[1],d[2]);f.set(d[4],d[5],d[6]);g.set(d[8],d[9],d[10]);a=a instanceof THREE.Vector3?a:new THREE.Vector3;
-b=b instanceof THREE.Quaternion?b:new THREE.Quaternion;c=c instanceof THREE.Vector3?c:new THREE.Vector3;c.x=e.length();c.y=f.length();c.z=g.length();a.x=d[12];a.y=d[13];a.z=d[14];d=THREE.Matrix4.__m1;d.copy(this);d.elements[0]/=c.x;d.elements[1]/=c.x;d.elements[2]/=c.x;d.elements[4]/=c.y;d.elements[5]/=c.y;d.elements[6]/=c.y;d.elements[8]/=c.z;d.elements[9]/=c.z;d.elements[10]/=c.z;b.setFromRotationMatrix(d);return[a,b,c]},extractPosition:function(a){var b=this.elements;a=a.elements;b[12]=a[12];b[13]=
-a[13];b[14]=a[14];return this},extractRotation:function(a){var b=this.elements;a=a.elements;var c=THREE.Matrix4.__v1,d=1/c.set(a[0],a[1],a[2]).length(),e=1/c.set(a[4],a[5],a[6]).length(),c=1/c.set(a[8],a[9],a[10]).length();b[0]=a[0]*d;b[1]=a[1]*d;b[2]=a[2]*d;b[4]=a[4]*e;b[5]=a[5]*e;b[6]=a[6]*e;b[8]=a[8]*c;b[9]=a[9]*c;b[10]=a[10]*c;return this},translate:function(a){var b=this.elements,c=a.x,d=a.y;a=a.z;b[12]=b[0]*c+b[4]*d+b[8]*a+b[12];b[13]=b[1]*c+b[5]*d+b[9]*a+b[13];b[14]=b[2]*c+b[6]*d+b[10]*a+b[14];
-b[15]=b[3]*c+b[7]*d+b[11]*a+b[15];return this},rotateX:function(a){var b=this.elements,c=b[4],d=b[5],e=b[6],f=b[7],g=b[8],h=b[9],l=b[10],k=b[11],q=Math.cos(a);a=Math.sin(a);b[4]=q*c+a*g;b[5]=q*d+a*h;b[6]=q*e+a*l;b[7]=q*f+a*k;b[8]=q*g-a*c;b[9]=q*h-a*d;b[10]=q*l-a*e;b[11]=q*k-a*f;return this},rotateY:function(a){var b=this.elements,c=b[0],d=b[1],e=b[2],f=b[3],g=b[8],h=b[9],l=b[10],k=b[11],q=Math.cos(a);a=Math.sin(a);b[0]=q*c-a*g;b[1]=q*d-a*h;b[2]=q*e-a*l;b[3]=q*f-a*k;b[8]=q*g+a*c;b[9]=q*h+a*d;b[10]=
-q*l+a*e;b[11]=q*k+a*f;return this},rotateZ:function(a){var b=this.elements,c=b[0],d=b[1],e=b[2],f=b[3],g=b[4],h=b[5],l=b[6],k=b[7],q=Math.cos(a);a=Math.sin(a);b[0]=q*c+a*g;b[1]=q*d+a*h;b[2]=q*e+a*l;b[3]=q*f+a*k;b[4]=q*g-a*c;b[5]=q*h-a*d;b[6]=q*l-a*e;b[7]=q*k-a*f;return this},rotateByAxis:function(a,b){var c=this.elements;if(1===a.x&&0===a.y&&0===a.z)return this.rotateX(b);if(0===a.x&&1===a.y&&0===a.z)return this.rotateY(b);if(0===a.x&&0===a.y&&1===a.z)return this.rotateZ(b);var d=a.x,e=a.y,f=a.z,
-g=Math.sqrt(d*d+e*e+f*f),d=d/g,e=e/g,f=f/g,g=d*d,h=e*e,l=f*f,k=Math.cos(b),q=Math.sin(b),s=1-k,t=d*e*s,v=d*f*s,s=e*f*s,d=d*q,u=e*q,q=f*q,f=g+(1-g)*k,g=t+q,e=v-u,t=t-q,h=h+(1-h)*k,q=s+d,v=v+u,s=s-d,l=l+(1-l)*k,k=c[0],d=c[1],u=c[2],w=c[3],x=c[4],y=c[5],A=c[6],C=c[7],B=c[8],z=c[9],D=c[10],I=c[11];c[0]=f*k+g*x+e*B;c[1]=f*d+g*y+e*z;c[2]=f*u+g*A+e*D;c[3]=f*w+g*C+e*I;c[4]=t*k+h*x+q*B;c[5]=t*d+h*y+q*z;c[6]=t*u+h*A+q*D;c[7]=t*w+h*C+q*I;c[8]=v*k+s*x+l*B;c[9]=v*d+s*y+l*z;c[10]=v*u+s*A+l*D;c[11]=v*w+s*C+l*I;
-return this},scale:function(a){var b=this.elements,c=a.x,d=a.y;a=a.z;b[0]*=c;b[4]*=d;b[8]*=a;b[1]*=c;b[5]*=d;b[9]*=a;b[2]*=c;b[6]*=d;b[10]*=a;b[3]*=c;b[7]*=d;b[11]*=a;return this},getMaxScaleOnAxis:function(){var a=this.elements;return Math.sqrt(Math.max(a[0]*a[0]+a[1]*a[1]+a[2]*a[2],Math.max(a[4]*a[4]+a[5]*a[5]+a[6]*a[6],a[8]*a[8]+a[9]*a[9]+a[10]*a[10])))},makeTranslation:function(a,b,c){this.set(1,0,0,a,0,1,0,b,0,0,1,c,0,0,0,1);return this},makeRotationX:function(a){var b=Math.cos(a);a=Math.sin(a);
-this.set(1,0,0,0,0,b,-a,0,0,a,b,0,0,0,0,1);return this},makeRotationY:function(a){var b=Math.cos(a);a=Math.sin(a);this.set(b,0,a,0,0,1,0,0,-a,0,b,0,0,0,0,1);return this},makeRotationZ:function(a){var b=Math.cos(a);a=Math.sin(a);this.set(b,-a,0,0,a,b,0,0,0,0,1,0,0,0,0,1);return this},makeRotationAxis:function(a,b){var c=Math.cos(b),d=Math.sin(b),e=1-c,f=a.x,g=a.y,h=a.z,l=e*f,k=e*g;this.set(l*f+c,l*g-d*h,l*h+d*g,0,l*g+d*h,k*g+c,k*h-d*f,0,l*h-d*g,k*h+d*f,e*h*h+c,0,0,0,0,1);return this},makeScale:function(a,
-b,c){this.set(a,0,0,0,0,b,0,0,0,0,c,0,0,0,0,1);return this},makeFrustum:function(a,b,c,d,e,f){var g=this.elements;g[0]=2*e/(b-a);g[4]=0;g[8]=(b+a)/(b-a);g[12]=0;g[1]=0;g[5]=2*e/(d-c);g[9]=(d+c)/(d-c);g[13]=0;g[2]=0;g[6]=0;g[10]=-(f+e)/(f-e);g[14]=-2*f*e/(f-e);g[3]=0;g[7]=0;g[11]=-1;g[15]=0;return this},makePerspective:function(a,b,c,d){a=c*Math.tan(a*Math.PI/360);var e=-a;return this.makeFrustum(e*b,a*b,e,a,c,d)},makeOrthographic:function(a,b,c,d,e,f){var g=this.elements,h=b-a,l=c-d,k=f-e;g[0]=2/
-h;g[4]=0;g[8]=0;g[12]=-((b+a)/h);g[1]=0;g[5]=2/l;g[9]=0;g[13]=-((c+d)/l);g[2]=0;g[6]=0;g[10]=-2/k;g[14]=-((f+e)/k);g[3]=0;g[7]=0;g[11]=0;g[15]=1;return this},clone:function(){var a=this.elements;return new THREE.Matrix4(a[0],a[4],a[8],a[12],a[1],a[5],a[9],a[13],a[2],a[6],a[10],a[14],a[3],a[7],a[11],a[15])}};THREE.Matrix4.__v1=new THREE.Vector3;THREE.Matrix4.__v2=new THREE.Vector3;THREE.Matrix4.__v3=new THREE.Vector3;THREE.Matrix4.__m1=new THREE.Matrix4;THREE.Matrix4.__m2=new THREE.Matrix4;
-THREE.EventTarget=function(){var a={};this.addEventListener=function(b,c){void 0===a[b]&&(a[b]=[]);-1===a[b].indexOf(c)&&a[b].push(c)};this.dispatchEvent=function(b){for(var c in a[b.type])a[b.type][c](b)};this.removeEventListener=function(b,c){var d=a[b].indexOf(c);-1!==d&&a[b].splice(d,1)}};THREE.Frustum=function(){this.planes=[new THREE.Vector4,new THREE.Vector4,new THREE.Vector4,new THREE.Vector4,new THREE.Vector4,new THREE.Vector4]};
-THREE.Frustum.prototype.setFromMatrix=function(a){var b=this.planes,c=a.elements;a=c[0];var d=c[1],e=c[2],f=c[3],g=c[4],h=c[5],l=c[6],k=c[7],q=c[8],s=c[9],t=c[10],v=c[11],u=c[12],w=c[13],x=c[14],c=c[15];b[0].set(f-a,k-g,v-q,c-u);b[1].set(f+a,k+g,v+q,c+u);b[2].set(f+d,k+h,v+s,c+w);b[3].set(f-d,k-h,v-s,c-w);b[4].set(f-e,k-l,v-t,c-x);b[5].set(f+e,k+l,v+t,c+x);for(d=0;6>d;d++)a=b[d],a.divideScalar(Math.sqrt(a.x*a.x+a.y*a.y+a.z*a.z))};
-THREE.Frustum.prototype.contains=function(a){var b=0,c=this.planes,b=a.matrixWorld,d=b.elements;a=-a.geometry.boundingSphere.radius*b.getMaxScaleOnAxis();for(var e=0;6>e;e++)if(b=c[e].x*d[12]+c[e].y*d[13]+c[e].z*d[14]+c[e].w,b<=a)return!1;return!0};THREE.Frustum.__v1=new THREE.Vector3;
-(function(a){a.Ray=function(b,c,d,e){this.origin=b||new a.Vector3;this.direction=c||new a.Vector3;this.near=d||0;this.far=e||Infinity};var b=new a.Vector3,c=new a.Vector3,d=new a.Vector3,e=new a.Vector3;new a.Vector3;var f=new a.Vector3,g=new a.Matrix4,h=function(a,b){return a.distance-b.distance},l=new a.Vector3,k=new a.Vector3,q=new a.Vector3,s=function(a,b,c){l.sub(c,a);var d=l.dot(b);a=k.add(a,q.copy(b).multiplyScalar(d));return c.distanceTo(a)},t=function(a,b,c,d){l.sub(d,b);k.sub(c,b);q.sub(a,
-b);a=l.dot(l);b=l.dot(k);c=l.dot(q);var e=k.dot(k);d=k.dot(q);var f=1/(a*e-b*b),e=(e*c-b*d)*f;a=(a*d-b*c)*f;return 0<=e&&0<=a&&1>e+a},v=function(h,l,k){if(h instanceof a.Particle){var q=s(l.origin,l.direction,h.matrixWorld.getPosition());if(q>h.scale.x)return k;k.push({distance:q,point:h.position,face:null,object:h})}else if(h instanceof a.Mesh){var v=h.geometry.boundingSphere.radius*h.matrixWorld.getMaxScaleOnAxis(),q=s(l.origin,l.direction,h.matrixWorld.getPosition());if(q>v)return k;var v=h.geometry,
-u=v.vertices,z=h.material instanceof a.MeshFaceMaterial,D=!0===z?h.material.materials:null,q=h.material.side,I,J,F,K=l.precision;h.matrixRotationWorld.extractRotation(h.matrixWorld);b.copy(l.origin);g.getInverse(h.matrixWorld);c.copy(b);g.multiplyVector3(c);d.copy(l.direction);g.rotateAxis(d).normalize();for(var L=0,H=v.faces.length;L<H;L++){var T=v.faces[L],q=!0===z?D[T.materialIndex]:h.material;void 0===q||(q=q.side,e.sub(T.centroid,c),J=T.normal,I=d.dot(J),Math.abs(I)<K||(J=J.dot(e)/I,0>J||!(q===
-a.DoubleSide||(q===a.FrontSide?0>I:0<I))))||((f.add(c,d.multiplyScalar(J)),T instanceof a.Face3)?(q=u[T.a],I=u[T.b],J=u[T.c],t(f,q,I,J)&&(I=h.matrixWorld.multiplyVector3(f.clone()),q=b.distanceTo(I),q<l.near||q>l.far||k.push({distance:q,point:I,face:T,faceIndex:L,object:h}))):T instanceof a.Face4&&(q=u[T.a],I=u[T.b],J=u[T.c],F=u[T.d],t(f,q,I,F)||t(f,I,J,F))&&(I=h.matrixWorld.multiplyVector3(f.clone()),q=b.distanceTo(I),q<l.near||q>l.far||k.push({distance:q,point:I,face:T,faceIndex:L,object:h})))}}},
-u=function(a,b,c){a=a.getDescendants();for(var d=0,e=a.length;d<e;d++)v(a[d],b,c)};a.Ray.prototype.precision=1E-4;a.Ray.prototype.set=function(a,b){this.origin=a;this.direction=b};a.Ray.prototype.intersectObject=function(a,b){var c=[];!0===b&&u(a,this,c);v(a,this,c);c.sort(h);return c};a.Ray.prototype.intersectObjects=function(a,b){for(var c=[],d=0,e=a.length;d<e;d++)v(a[d],this,c),!0===b&&u(a[d],this,c);c.sort(h);return c}})(THREE);
-THREE.Rectangle=function(){function a(){f=d-b;g=e-c}var b=0,c=0,d=0,e=0,f=0,g=0,h=!0;this.getX=function(){return b};this.getY=function(){return c};this.getWidth=function(){return f};this.getHeight=function(){return g};this.getLeft=function(){return b};this.getTop=function(){return c};this.getRight=function(){return d};this.getBottom=function(){return e};this.set=function(f,g,q,s){h=!1;b=f;c=g;d=q;e=s;a()};this.addPoint=function(f,g){!0===h?(h=!1,b=f,c=g,d=f,e=g):(b=b<f?b:f,c=c<g?c:g,d=d>f?d:f,e=e>
-g?e:g);a()};this.add3Points=function(f,g,q,s,t,v){!0===h?(h=!1,b=f<q?f<t?f:t:q<t?q:t,c=g<s?g<v?g:v:s<v?s:v,d=f>q?f>t?f:t:q>t?q:t,e=g>s?g>v?g:v:s>v?s:v):(b=f<q?f<t?f<b?f:b:t<b?t:b:q<t?q<b?q:b:t<b?t:b,c=g<s?g<v?g<c?g:c:v<c?v:c:s<v?s<c?s:c:v<c?v:c,d=f>q?f>t?f>d?f:d:t>d?t:d:q>t?q>d?q:d:t>d?t:d,e=g>s?g>v?g>e?g:e:v>e?v:e:s>v?s>e?s:e:v>e?v:e);a()};this.addRectangle=function(f){!0===h?(h=!1,b=f.getLeft(),c=f.getTop(),d=f.getRight(),e=f.getBottom()):(b=b<f.getLeft()?b:f.getLeft(),c=c<f.getTop()?c:f.getTop(),
-d=d>f.getRight()?d:f.getRight(),e=e>f.getBottom()?e:f.getBottom());a()};this.inflate=function(f){b-=f;c-=f;d+=f;e+=f;a()};this.minSelf=function(f){b=b>f.getLeft()?b:f.getLeft();c=c>f.getTop()?c:f.getTop();d=d<f.getRight()?d:f.getRight();e=e<f.getBottom()?e:f.getBottom();a()};this.intersects=function(a){return d<a.getLeft()||b>a.getRight()||e<a.getTop()||c>a.getBottom()?!1:!0};this.empty=function(){h=!0;e=d=c=b=0;a()};this.isEmpty=function(){return h}};
-THREE.Math={clamp:function(a,b,c){return a<b?b:a>c?c:a},clampBottom:function(a,b){return a<b?b:a},mapLinear:function(a,b,c,d,e){return d+(a-b)*(e-d)/(c-b)},random16:function(){return(65280*Math.random()+255*Math.random())/65535},randInt:function(a,b){return a+Math.floor(Math.random()*(b-a+1))},randFloat:function(a,b){return a+Math.random()*(b-a)},randFloatSpread:function(a){return a*(0.5-Math.random())},sign:function(a){return 0>a?-1:0<a?1:0}};
-THREE.Object3D=function(){THREE.Object3DLibrary.push(this);this.id=THREE.Object3DIdCount++;this.name="";this.properties={};this.parent=void 0;this.children=[];this.up=new THREE.Vector3(0,1,0);this.position=new THREE.Vector3;this.rotation=new THREE.Vector3;this.eulerOrder=THREE.Object3D.defaultEulerOrder;this.scale=new THREE.Vector3(1,1,1);this.renderDepth=null;this.rotationAutoUpdate=!0;this.matrix=new THREE.Matrix4;this.matrixWorld=new THREE.Matrix4;this.matrixRotationWorld=new THREE.Matrix4;this.matrixWorldNeedsUpdate=
-this.matrixAutoUpdate=!0;this.quaternion=new THREE.Quaternion;this.useQuaternion=!1;this.boundRadius=0;this.boundRadiusScale=1;this.visible=!0;this.receiveShadow=this.castShadow=!1;this.frustumCulled=!0;this._vector=new THREE.Vector3};
-THREE.Object3D.prototype={constructor:THREE.Object3D,applyMatrix:function(a){this.matrix.multiply(a,this.matrix);this.scale.getScaleFromMatrix(this.matrix);a=(new THREE.Matrix4).extractRotation(this.matrix);this.rotation.setEulerFromRotationMatrix(a,this.eulerOrder);this.position.getPositionFromMatrix(this.matrix)},translate:function(a,b){this.matrix.rotateAxis(b);this.position.addSelf(b.multiplyScalar(a))},translateX:function(a){this.translate(a,this._vector.set(1,0,0))},translateY:function(a){this.translate(a,
-this._vector.set(0,1,0))},translateZ:function(a){this.translate(a,this._vector.set(0,0,1))},localToWorld:function(a){return this.matrixWorld.multiplyVector3(a)},worldToLocal:function(a){return THREE.Object3D.__m1.getInverse(this.matrixWorld).multiplyVector3(a)},lookAt:function(a){this.matrix.lookAt(a,this.position,this.up);this.rotationAutoUpdate&&(!1===this.useQuaternion?this.rotation.setEulerFromRotationMatrix(this.matrix,this.eulerOrder):this.quaternion.copy(this.matrix.decompose()[1]))},add:function(a){if(a===
-this)console.warn("THREE.Object3D.add: An object can't be added as a child of itself.");else if(a instanceof THREE.Object3D){void 0!==a.parent&&a.parent.remove(a);a.parent=this;this.children.push(a);for(var b=this;void 0!==b.parent;)b=b.parent;void 0!==b&&b instanceof THREE.Scene&&b.__addObject(a)}},remove:function(a){var b=this.children.indexOf(a);if(-1!==b){a.parent=void 0;this.children.splice(b,1);for(b=this;void 0!==b.parent;)b=b.parent;void 0!==b&&b instanceof THREE.Scene&&b.__removeObject(a)}},
-traverse:function(a){a(this);for(var b=0,c=this.children.length;b<c;b++)this.children[b].traverse(a)},getChildByName:function(a,b){for(var c=0,d=this.children.length;c<d;c++){var e=this.children[c];if(e.name===a||!0===b&&(e=e.getChildByName(a,b),void 0!==e))return e}},getDescendants:function(a){void 0===a&&(a=[]);Array.prototype.push.apply(a,this.children);for(var b=0,c=this.children.length;b<c;b++)this.children[b].getDescendants(a);return a},updateMatrix:function(){this.matrix.setPosition(this.position);
-!1===this.useQuaternion?this.matrix.setRotationFromEuler(this.rotation,this.eulerOrder):this.matrix.setRotationFromQuaternion(this.quaternion);if(1!==this.scale.x||1!==this.scale.y||1!==this.scale.z)this.matrix.scale(this.scale),this.boundRadiusScale=Math.max(this.scale.x,Math.max(this.scale.y,this.scale.z));this.matrixWorldNeedsUpdate=!0},updateMatrixWorld:function(a){!0===this.matrixAutoUpdate&&this.updateMatrix();if(!0===this.matrixWorldNeedsUpdate||!0===a)void 0===this.parent?this.matrixWorld.copy(this.matrix):
-this.matrixWorld.multiply(this.parent.matrixWorld,this.matrix),this.matrixWorldNeedsUpdate=!1,a=!0;for(var b=0,c=this.children.length;b<c;b++)this.children[b].updateMatrixWorld(a)},clone:function(a){void 0===a&&(a=new THREE.Object3D);a.name=this.name;a.up.copy(this.up);a.position.copy(this.position);a.rotation instanceof THREE.Vector3&&a.rotation.copy(this.rotation);a.eulerOrder=this.eulerOrder;a.scale.copy(this.scale);a.renderDepth=this.renderDepth;a.rotationAutoUpdate=this.rotationAutoUpdate;a.matrix.copy(this.matrix);
-a.matrixWorld.copy(this.matrixWorld);a.matrixRotationWorld.copy(this.matrixRotationWorld);a.matrixAutoUpdate=this.matrixAutoUpdate;a.matrixWorldNeedsUpdate=this.matrixWorldNeedsUpdate;a.quaternion.copy(this.quaternion);a.useQuaternion=this.useQuaternion;a.boundRadius=this.boundRadius;a.boundRadiusScale=this.boundRadiusScale;a.visible=this.visible;a.castShadow=this.castShadow;a.receiveShadow=this.receiveShadow;a.frustumCulled=this.frustumCulled;for(var b=0;b<this.children.length;b++)a.add(this.children[b].clone());
-return a},deallocate:function(){var a=THREE.Object3DLibrary.indexOf(this);-1!==a&&THREE.Object3DLibrary.splice(a,1)}};THREE.Object3D.__m1=new THREE.Matrix4;THREE.Object3D.defaultEulerOrder="XYZ";THREE.Object3DIdCount=0;THREE.Object3DLibrary=[];
-THREE.Projector=function(){function a(){if(f===h){var a=new THREE.RenderableObject;g.push(a);h++;f++;return a}return g[f++]}function b(){if(k===s){var a=new THREE.RenderableVertex;q.push(a);s++;k++;return a}return q[k++]}function c(a,b){return b.z-a.z}function d(a,b){var c=0,d=1,e=a.z+a.w,f=b.z+b.w,g=-a.z+a.w,h=-b.z+b.w;if(0<=e&&0<=f&&0<=g&&0<=h)return!0;if(0>e&&0>f||0>g&&0>h)return!1;0>e?c=Math.max(c,e/(e-f)):0>f&&(d=Math.min(d,e/(e-f)));0>g?c=Math.max(c,g/(g-h)):0>h&&(d=Math.min(d,g/(g-h)));if(d<
-c)return!1;a.lerpSelf(b,c);b.lerpSelf(a,1-d);return!0}var e,f,g=[],h=0,l,k,q=[],s=0,t,v,u=[],w=0,x,y=[],A=0,C,B,z=[],D=0,I,J,F=[],K=0,L={objects:[],sprites:[],lights:[],elements:[]},H=new THREE.Vector3,T=new THREE.Vector4,R=new THREE.Matrix4,m=new THREE.Matrix4,O=new THREE.Matrix3,W=new THREE.Frustum,P=new THREE.Vector4,ha=new THREE.Vector4;this.projectVector=function(a,b){b.matrixWorldInverse.getInverse(b.matrixWorld);R.multiply(b.projectionMatrix,b.matrixWorldInverse);R.multiplyVector3(a);return a};
-this.unprojectVector=function(a,b){b.projectionMatrixInverse.getInverse(b.projectionMatrix);R.multiply(b.matrixWorld,b.projectionMatrixInverse);R.multiplyVector3(a);return a};this.pickingRay=function(a,b){var c;a.z=-1;c=new THREE.Vector3(a.x,a.y,1);this.unprojectVector(a,b);this.unprojectVector(c,b);c.subSelf(a).normalize();return new THREE.Ray(a,c)};var ca=function(b,d){f=0;L.objects.length=0;L.sprites.length=0;L.lights.length=0;var g=function(b){for(var c=0,d=b.children.length;c<d;c++){var f=b.children[c];
-if(!1!==f.visible){if(f instanceof THREE.Light)L.lights.push(f);else if(f instanceof THREE.Mesh||f instanceof THREE.Line){if(!1===f.frustumCulled||!0===W.contains(f))e=a(),e.object=f,null!==f.renderDepth?e.z=f.renderDepth:(H.copy(f.matrixWorld.getPosition()),R.multiplyVector3(H),e.z=H.z),L.objects.push(e)}else f instanceof THREE.Sprite||f instanceof THREE.Particle?(e=a(),e.object=f,null!==f.renderDepth?e.z=f.renderDepth:(H.copy(f.matrixWorld.getPosition()),R.multiplyVector3(H),e.z=H.z),L.sprites.push(e)):
-(e=a(),e.object=f,null!==f.renderDepth?e.z=f.renderDepth:(H.copy(f.matrixWorld.getPosition()),R.multiplyVector3(H),e.z=H.z),L.objects.push(e));g(f)}}};g(b);!0===d&&L.objects.sort(c);return L};this.projectScene=function(a,e,f,g){var h=e.near,s=e.far,H=!1,ia,ba,ga,ea,V,ka,ta,ma,pa,Ga,Aa,ua,ob,jb,eb;J=B=x=v=0;L.elements.length=0;a.updateMatrixWorld();void 0===e.parent&&e.updateMatrixWorld();e.matrixWorldInverse.getInverse(e.matrixWorld);R.multiply(e.projectionMatrix,e.matrixWorldInverse);W.setFromMatrix(R);
-L=ca(a,f);a=0;for(f=L.objects.length;a<f;a++)if(ma=L.objects[a].object,pa=ma.matrixWorld,k=0,ma instanceof THREE.Mesh){Ga=ma.geometry;ga=Ga.vertices;Aa=Ga.faces;Ga=Ga.faceVertexUvs;O.getInverse(pa);O.transpose();ob=ma.material instanceof THREE.MeshFaceMaterial;jb=!0===ob?ma.material:null;ia=0;for(ba=ga.length;ia<ba;ia++)l=b(),l.positionWorld.copy(ga[ia]),pa.multiplyVector3(l.positionWorld),l.positionScreen.copy(l.positionWorld),R.multiplyVector4(l.positionScreen),l.positionScreen.x/=l.positionScreen.w,
-l.positionScreen.y/=l.positionScreen.w,l.visible=l.positionScreen.z>h&&l.positionScreen.z<s;ga=0;for(ia=Aa.length;ga<ia;ga++)if(ba=Aa[ga],eb=!0===ob?jb.materials[ba.materialIndex]:ma.material,void 0!==eb){ka=eb.side;if(ba instanceof THREE.Face3)if(ea=q[ba.a],V=q[ba.b],ta=q[ba.c],!0===ea.visible&&!0===V.visible&&!0===ta.visible)if(H=0>(ta.positionScreen.x-ea.positionScreen.x)*(V.positionScreen.y-ea.positionScreen.y)-(ta.positionScreen.y-ea.positionScreen.y)*(V.positionScreen.x-ea.positionScreen.x),
-ka===THREE.DoubleSide||H===(ka===THREE.FrontSide))v===w?(ua=new THREE.RenderableFace3,u.push(ua),w++,v++,t=ua):t=u[v++],t.v1.copy(ea),t.v2.copy(V),t.v3.copy(ta);else continue;else continue;else if(ba instanceof THREE.Face4)if(ea=q[ba.a],V=q[ba.b],ta=q[ba.c],ua=q[ba.d],!0===ea.visible&&!0===V.visible&&!0===ta.visible&&!0===ua.visible)if(H=0>(ua.positionScreen.x-ea.positionScreen.x)*(V.positionScreen.y-ea.positionScreen.y)-(ua.positionScreen.y-ea.positionScreen.y)*(V.positionScreen.x-ea.positionScreen.x)||
-0>(V.positionScreen.x-ta.positionScreen.x)*(ua.positionScreen.y-ta.positionScreen.y)-(V.positionScreen.y-ta.positionScreen.y)*(ua.positionScreen.x-ta.positionScreen.x),ka===THREE.DoubleSide||H===(ka===THREE.FrontSide)){if(x===A){var kb=new THREE.RenderableFace4;y.push(kb);A++;x++;t=kb}else t=y[x++];t.v1.copy(ea);t.v2.copy(V);t.v3.copy(ta);t.v4.copy(ua)}else continue;else continue;t.normalWorld.copy(ba.normal);!1!==H||ka!==THREE.BackSide&&ka!==THREE.DoubleSide||t.normalWorld.negate();O.multiplyVector3(t.normalWorld).normalize();
-t.centroidWorld.copy(ba.centroid);pa.multiplyVector3(t.centroidWorld);t.centroidScreen.copy(t.centroidWorld);R.multiplyVector3(t.centroidScreen);ta=ba.vertexNormals;ea=0;for(V=ta.length;ea<V;ea++)ua=t.vertexNormalsWorld[ea],ua.copy(ta[ea]),!1!==H||ka!==THREE.BackSide&&ka!==THREE.DoubleSide||ua.negate(),O.multiplyVector3(ua).normalize();t.vertexNormalsLength=ta.length;ea=0;for(V=Ga.length;ea<V;ea++)if(ua=Ga[ea][ga],void 0!==ua)for(ka=0,ta=ua.length;ka<ta;ka++)t.uvs[ea][ka]=ua[ka];t.color=ba.color;
-t.material=eb;t.z=t.centroidScreen.z;L.elements.push(t)}}else if(ma instanceof THREE.Line)for(m.multiply(R,pa),ga=ma.geometry.vertices,ea=b(),ea.positionScreen.copy(ga[0]),m.multiplyVector4(ea.positionScreen),pa=ma.type===THREE.LinePieces?2:1,ia=1,ba=ga.length;ia<ba;ia++)ea=b(),ea.positionScreen.copy(ga[ia]),m.multiplyVector4(ea.positionScreen),0<(ia+1)%pa||(V=q[k-2],P.copy(ea.positionScreen),ha.copy(V.positionScreen),!0===d(P,ha)&&(P.multiplyScalar(1/P.w),ha.multiplyScalar(1/ha.w),B===D?(Aa=new THREE.RenderableLine,
-z.push(Aa),D++,B++,C=Aa):C=z[B++],C.v1.positionScreen.copy(P),C.v2.positionScreen.copy(ha),C.z=Math.max(P.z,ha.z),C.material=ma.material,L.elements.push(C)));a=0;for(f=L.sprites.length;a<f;a++)ma=L.sprites[a].object,pa=ma.matrixWorld,ma instanceof THREE.Particle&&(T.set(pa.elements[12],pa.elements[13],pa.elements[14],1),R.multiplyVector4(T),T.z/=T.w,0<T.z&&1>T.z&&(J===K?(h=new THREE.RenderableParticle,F.push(h),K++,J++,I=h):I=F[J++],I.object=ma,I.x=T.x/T.w,I.y=T.y/T.w,I.z=T.z,I.rotation=ma.rotation.z,
-I.scale.x=ma.scale.x*Math.abs(I.x-(T.x+e.projectionMatrix.elements[0])/(T.w+e.projectionMatrix.elements[12])),I.scale.y=ma.scale.y*Math.abs(I.y-(T.y+e.projectionMatrix.elements[5])/(T.w+e.projectionMatrix.elements[13])),I.material=ma.material,L.elements.push(I)));!0===g&&L.elements.sort(c);return L}};THREE.Quaternion=function(a,b,c,d){this.x=a||0;this.y=b||0;this.z=c||0;this.w=void 0!==d?d:1};
-THREE.Quaternion.prototype={constructor:THREE.Quaternion,set:function(a,b,c,d){this.x=a;this.y=b;this.z=c;this.w=d;return this},copy:function(a){this.x=a.x;this.y=a.y;this.z=a.z;this.w=a.w;return this},setFromEuler:function(a,b){var c=Math.cos(a.x/2),d=Math.cos(a.y/2),e=Math.cos(a.z/2),f=Math.sin(a.x/2),g=Math.sin(a.y/2),h=Math.sin(a.z/2);void 0===b||"XYZ"===b?(this.x=f*d*e+c*g*h,this.y=c*g*e-f*d*h,this.z=c*d*h+f*g*e,this.w=c*d*e-f*g*h):"YXZ"===b?(this.x=f*d*e+c*g*h,this.y=c*g*e-f*d*h,this.z=c*d*
-h-f*g*e,this.w=c*d*e+f*g*h):"ZXY"===b?(this.x=f*d*e-c*g*h,this.y=c*g*e+f*d*h,this.z=c*d*h+f*g*e,this.w=c*d*e-f*g*h):"ZYX"===b?(this.x=f*d*e-c*g*h,this.y=c*g*e+f*d*h,this.z=c*d*h-f*g*e,this.w=c*d*e+f*g*h):"YZX"===b?(this.x=f*d*e+c*g*h,this.y=c*g*e+f*d*h,this.z=c*d*h-f*g*e,this.w=c*d*e-f*g*h):"XZY"===b&&(this.x=f*d*e-c*g*h,this.y=c*g*e-f*d*h,this.z=c*d*h+f*g*e,this.w=c*d*e+f*g*h);return this},setFromAxisAngle:function(a,b){var c=b/2,d=Math.sin(c);this.x=a.x*d;this.y=a.y*d;this.z=a.z*d;this.w=Math.cos(c);
-return this},setFromRotationMatrix:function(a){var b=a.elements,c=b[0];a=b[4];var d=b[8],e=b[1],f=b[5],g=b[9],h=b[2],l=b[6],b=b[10],k=c+f+b;0<k?(c=0.5/Math.sqrt(k+1),this.w=0.25/c,this.x=(l-g)*c,this.y=(d-h)*c,this.z=(e-a)*c):c>f&&c>b?(c=2*Math.sqrt(1+c-f-b),this.w=(l-g)/c,this.x=0.25*c,this.y=(a+e)/c,this.z=(d+h)/c):f>b?(c=2*Math.sqrt(1+f-c-b),this.w=(d-h)/c,this.x=(a+e)/c,this.y=0.25*c,this.z=(g+l)/c):(c=2*Math.sqrt(1+b-c-f),this.w=(e-a)/c,this.x=(d+h)/c,this.y=(g+l)/c,this.z=0.25*c);return this},
-inverse:function(){this.conjugate().normalize();return this},conjugate:function(){this.x*=-1;this.y*=-1;this.z*=-1;return this},length:function(){return Math.sqrt(this.x*this.x+this.y*this.y+this.z*this.z+this.w*this.w)},normalize:function(){var a=Math.sqrt(this.x*this.x+this.y*this.y+this.z*this.z+this.w*this.w);0===a?(this.z=this.y=this.x=0,this.w=1):(a=1/a,this.x*=a,this.y*=a,this.z*=a,this.w*=a);return this},multiply:function(a,b){var c=a.x,d=a.y,e=a.z,f=a.w,g=b.x,h=b.y,l=b.z,k=b.w;this.x=c*k+
-d*l-e*h+f*g;this.y=-c*l+d*k+e*g+f*h;this.z=c*h-d*g+e*k+f*l;this.w=-c*g-d*h-e*l+f*k;return this},multiplySelf:function(a){var b=this.x,c=this.y,d=this.z,e=this.w,f=a.x,g=a.y,h=a.z;a=a.w;this.x=b*a+e*f+c*h-d*g;this.y=c*a+e*g+d*f-b*h;this.z=d*a+e*h+b*g-c*f;this.w=e*a-b*f-c*g-d*h;return this},multiplyVector3:function(a,b){b||(b=a);var c=a.x,d=a.y,e=a.z,f=this.x,g=this.y,h=this.z,l=this.w,k=l*c+g*e-h*d,q=l*d+h*c-f*e,s=l*e+f*d-g*c,c=-f*c-g*d-h*e;b.x=k*l+c*-f+q*-h-s*-g;b.y=q*l+c*-g+s*-f-k*-h;b.z=s*l+c*-h+
-k*-g-q*-f;return b},slerpSelf:function(a,b){var c=this.x,d=this.y,e=this.z,f=this.w,g=f*a.w+c*a.x+d*a.y+e*a.z;0>g?(this.w=-a.w,this.x=-a.x,this.y=-a.y,this.z=-a.z,g=-g):this.copy(a);if(1<=g)return this.w=f,this.x=c,this.y=d,this.z=e,this;var h=Math.acos(g),l=Math.sqrt(1-g*g);if(0.001>Math.abs(l))return this.w=0.5*(f+this.w),this.x=0.5*(c+this.x),this.y=0.5*(d+this.y),this.z=0.5*(e+this.z),this;g=Math.sin((1-b)*h)/l;h=Math.sin(b*h)/l;this.w=f*g+this.w*h;this.x=c*g+this.x*h;this.y=d*g+this.y*h;this.z=
-e*g+this.z*h;return this},clone:function(){return new THREE.Quaternion(this.x,this.y,this.z,this.w)}};
-THREE.Quaternion.slerp=function(a,b,c,d){var e=a.w*b.w+a.x*b.x+a.y*b.y+a.z*b.z;0>e?(c.w=-b.w,c.x=-b.x,c.y=-b.y,c.z=-b.z,e=-e):c.copy(b);if(1<=Math.abs(e))return c.w=a.w,c.x=a.x,c.y=a.y,c.z=a.z,c;b=Math.acos(e);var f=Math.sqrt(1-e*e);if(0.001>Math.abs(f))return c.w=0.5*(a.w+c.w),c.x=0.5*(a.x+c.x),c.y=0.5*(a.y+c.y),c.z=0.5*(a.z+c.z),c;e=Math.sin((1-d)*b)/f;d=Math.sin(d*b)/f;c.w=a.w*e+c.w*d;c.x=a.x*e+c.x*d;c.y=a.y*e+c.y*d;c.z=a.z*e+c.z*d;return c};
-THREE.Vertex=function(a){console.warn("THREE.Vertex has been DEPRECATED. Use THREE.Vector3 instead.");return a};THREE.Face3=function(a,b,c,d,e,f){this.a=a;this.b=b;this.c=c;this.normal=d instanceof THREE.Vector3?d:new THREE.Vector3;this.vertexNormals=d instanceof Array?d:[];this.color=e instanceof THREE.Color?e:new THREE.Color;this.vertexColors=e instanceof Array?e:[];this.vertexTangents=[];this.materialIndex=f;this.centroid=new THREE.Vector3};
-THREE.Face3.prototype={constructor:THREE.Face3,clone:function(){var a=new THREE.Face3(this.a,this.b,this.c);a.normal.copy(this.normal);a.color.copy(this.color);a.centroid.copy(this.centroid);a.materialIndex=this.materialIndex;var b,c;b=0;for(c=this.vertexNormals.length;b<c;b++)a.vertexNormals[b]=this.vertexNormals[b].clone();b=0;for(c=this.vertexColors.length;b<c;b++)a.vertexColors[b]=this.vertexColors[b].clone();b=0;for(c=this.vertexTangents.length;b<c;b++)a.vertexTangents[b]=this.vertexTangents[b].clone();
-return a}};THREE.Face4=function(a,b,c,d,e,f,g){this.a=a;this.b=b;this.c=c;this.d=d;this.normal=e instanceof THREE.Vector3?e:new THREE.Vector3;this.vertexNormals=e instanceof Array?e:[];this.color=f instanceof THREE.Color?f:new THREE.Color;this.vertexColors=f instanceof Array?f:[];this.vertexTangents=[];this.materialIndex=g;this.centroid=new THREE.Vector3};
-THREE.Face4.prototype={constructor:THREE.Face4,clone:function(){var a=new THREE.Face4(this.a,this.b,this.c,this.d);a.normal.copy(this.normal);a.color.copy(this.color);a.centroid.copy(this.centroid);a.materialIndex=this.materialIndex;var b,c;b=0;for(c=this.vertexNormals.length;b<c;b++)a.vertexNormals[b]=this.vertexNormals[b].clone();b=0;for(c=this.vertexColors.length;b<c;b++)a.vertexColors[b]=this.vertexColors[b].clone();b=0;for(c=this.vertexTangents.length;b<c;b++)a.vertexTangents[b]=this.vertexTangents[b].clone();
-return a}};THREE.UV=function(a,b){this.u=a||0;this.v=b||0};THREE.UV.prototype={constructor:THREE.UV,set:function(a,b){this.u=a;this.v=b;return this},copy:function(a){this.u=a.u;this.v=a.v;return this},lerpSelf:function(a,b){this.u+=(a.u-this.u)*b;this.v+=(a.v-this.v)*b;return this},clone:function(){return new THREE.UV(this.u,this.v)}};
-THREE.Geometry=function(){THREE.GeometryLibrary.push(this);this.id=THREE.GeometryIdCount++;this.name="";this.vertices=[];this.colors=[];this.normals=[];this.faces=[];this.faceUvs=[[]];this.faceVertexUvs=[[]];this.morphTargets=[];this.morphColors=[];this.morphNormals=[];this.skinWeights=[];this.skinIndices=[];this.lineDistances=[];this.boundingSphere=this.boundingBox=null;this.hasTangents=!1;this.dynamic=!0;this.buffersNeedUpdate=this.lineDistancesNeedUpdate=this.colorsNeedUpdate=this.tangentsNeedUpdate=
-this.normalsNeedUpdate=this.uvsNeedUpdate=this.elementsNeedUpdate=this.verticesNeedUpdate=!1};
-THREE.Geometry.prototype={constructor:THREE.Geometry,applyMatrix:function(a){var b=new THREE.Matrix3;b.getInverse(a).transpose();for(var c=0,d=this.vertices.length;c<d;c++)a.multiplyVector3(this.vertices[c]);c=0;for(d=this.faces.length;c<d;c++){var e=this.faces[c];b.multiplyVector3(e.normal).normalize();for(var f=0,g=e.vertexNormals.length;f<g;f++)b.multiplyVector3(e.vertexNormals[f]).normalize();a.multiplyVector3(e.centroid)}},computeCentroids:function(){var a,b,c;a=0;for(b=this.faces.length;a<b;a++)c=
-this.faces[a],c.centroid.set(0,0,0),c instanceof THREE.Face3?(c.centroid.addSelf(this.vertices[c.a]),c.centroid.addSelf(this.vertices[c.b]),c.centroid.addSelf(this.vertices[c.c]),c.centroid.divideScalar(3)):c instanceof THREE.Face4&&(c.centroid.addSelf(this.vertices[c.a]),c.centroid.addSelf(this.vertices[c.b]),c.centroid.addSelf(this.vertices[c.c]),c.centroid.addSelf(this.vertices[c.d]),c.centroid.divideScalar(4))},computeFaceNormals:function(){var a,b,c,d,e,f,g=new THREE.Vector3,h=new THREE.Vector3;
-a=0;for(b=this.faces.length;a<b;a++)c=this.faces[a],d=this.vertices[c.a],e=this.vertices[c.b],f=this.vertices[c.c],g.sub(f,e),h.sub(d,e),g.crossSelf(h),g.normalize(),c.normal.copy(g)},computeVertexNormals:function(a){var b,c,d,e;if(void 0===this.__tmpVertices){e=this.__tmpVertices=Array(this.vertices.length);b=0;for(c=this.vertices.length;b<c;b++)e[b]=new THREE.Vector3;b=0;for(c=this.faces.length;b<c;b++)d=this.faces[b],d instanceof THREE.Face3?d.vertexNormals=[new THREE.Vector3,new THREE.Vector3,
-new THREE.Vector3]:d instanceof THREE.Face4&&(d.vertexNormals=[new THREE.Vector3,new THREE.Vector3,new THREE.Vector3,new THREE.Vector3])}else for(e=this.__tmpVertices,b=0,c=this.vertices.length;b<c;b++)e[b].set(0,0,0);if(a){var f,g,h,l=new THREE.Vector3,k=new THREE.Vector3,q=new THREE.Vector3,s=new THREE.Vector3,t=new THREE.Vector3;b=0;for(c=this.faces.length;b<c;b++)d=this.faces[b],d instanceof THREE.Face3?(a=this.vertices[d.a],f=this.vertices[d.b],g=this.vertices[d.c],l.sub(g,f),k.sub(a,f),l.crossSelf(k),
-e[d.a].addSelf(l),e[d.b].addSelf(l),e[d.c].addSelf(l)):d instanceof THREE.Face4&&(a=this.vertices[d.a],f=this.vertices[d.b],g=this.vertices[d.c],h=this.vertices[d.d],q.sub(h,f),k.sub(a,f),q.crossSelf(k),e[d.a].addSelf(q),e[d.b].addSelf(q),e[d.d].addSelf(q),s.sub(h,g),t.sub(f,g),s.crossSelf(t),e[d.b].addSelf(s),e[d.c].addSelf(s),e[d.d].addSelf(s))}else for(b=0,c=this.faces.length;b<c;b++)d=this.faces[b],d instanceof THREE.Face3?(e[d.a].addSelf(d.normal),e[d.b].addSelf(d.normal),e[d.c].addSelf(d.normal)):
-d instanceof THREE.Face4&&(e[d.a].addSelf(d.normal),e[d.b].addSelf(d.normal),e[d.c].addSelf(d.normal),e[d.d].addSelf(d.normal));b=0;for(c=this.vertices.length;b<c;b++)e[b].normalize();b=0;for(c=this.faces.length;b<c;b++)d=this.faces[b],d instanceof THREE.Face3?(d.vertexNormals[0].copy(e[d.a]),d.vertexNormals[1].copy(e[d.b]),d.vertexNormals[2].copy(e[d.c])):d instanceof THREE.Face4&&(d.vertexNormals[0].copy(e[d.a]),d.vertexNormals[1].copy(e[d.b]),d.vertexNormals[2].copy(e[d.c]),d.vertexNormals[3].copy(e[d.d]))},
-computeMorphNormals:function(){var a,b,c,d,e;c=0;for(d=this.faces.length;c<d;c++)for(e=this.faces[c],e.__originalFaceNormal?e.__originalFaceNormal.copy(e.normal):e.__originalFaceNormal=e.normal.clone(),e.__originalVertexNormals||(e.__originalVertexNormals=[]),a=0,b=e.vertexNormals.length;a<b;a++)e.__originalVertexNormals[a]?e.__originalVertexNormals[a].copy(e.vertexNormals[a]):e.__originalVertexNormals[a]=e.vertexNormals[a].clone();var f=new THREE.Geometry;f.faces=this.faces;a=0;for(b=this.morphTargets.length;a<
-b;a++){if(!this.morphNormals[a]){this.morphNormals[a]={};this.morphNormals[a].faceNormals=[];this.morphNormals[a].vertexNormals=[];var g=this.morphNormals[a].faceNormals,h=this.morphNormals[a].vertexNormals,l,k;c=0;for(d=this.faces.length;c<d;c++)e=this.faces[c],l=new THREE.Vector3,k=e instanceof THREE.Face3?{a:new THREE.Vector3,b:new THREE.Vector3,c:new THREE.Vector3}:{a:new THREE.Vector3,b:new THREE.Vector3,c:new THREE.Vector3,d:new THREE.Vector3},g.push(l),h.push(k)}g=this.morphNormals[a];f.vertices=
-this.morphTargets[a].vertices;f.computeFaceNormals();f.computeVertexNormals();c=0;for(d=this.faces.length;c<d;c++)e=this.faces[c],l=g.faceNormals[c],k=g.vertexNormals[c],l.copy(e.normal),e instanceof THREE.Face3?(k.a.copy(e.vertexNormals[0]),k.b.copy(e.vertexNormals[1]),k.c.copy(e.vertexNormals[2])):(k.a.copy(e.vertexNormals[0]),k.b.copy(e.vertexNormals[1]),k.c.copy(e.vertexNormals[2]),k.d.copy(e.vertexNormals[3]))}c=0;for(d=this.faces.length;c<d;c++)e=this.faces[c],e.normal=e.__originalFaceNormal,
-e.vertexNormals=e.__originalVertexNormals},computeTangents:function(){function a(a,b,c,d,e,f,m){h=a.vertices[b];l=a.vertices[c];k=a.vertices[d];q=g[e];s=g[f];t=g[m];v=l.x-h.x;u=k.x-h.x;w=l.y-h.y;x=k.y-h.y;y=l.z-h.z;A=k.z-h.z;C=s.u-q.u;B=t.u-q.u;z=s.v-q.v;D=t.v-q.v;I=1/(C*D-B*z);L.set((D*v-z*u)*I,(D*w-z*x)*I,(D*y-z*A)*I);H.set((C*u-B*v)*I,(C*x-B*w)*I,(C*A-B*y)*I);F[b].addSelf(L);F[c].addSelf(L);F[d].addSelf(L);K[b].addSelf(H);K[c].addSelf(H);K[d].addSelf(H)}var b,c,d,e,f,g,h,l,k,q,s,t,v,u,w,x,y,A,
-C,B,z,D,I,J,F=[],K=[],L=new THREE.Vector3,H=new THREE.Vector3,T=new THREE.Vector3,R=new THREE.Vector3,m=new THREE.Vector3;b=0;for(c=this.vertices.length;b<c;b++)F[b]=new THREE.Vector3,K[b]=new THREE.Vector3;b=0;for(c=this.faces.length;b<c;b++)f=this.faces[b],g=this.faceVertexUvs[0][b],f instanceof THREE.Face3?a(this,f.a,f.b,f.c,0,1,2):f instanceof THREE.Face4&&(a(this,f.a,f.b,f.d,0,1,3),a(this,f.b,f.c,f.d,1,2,3));var O=["a","b","c","d"];b=0;for(c=this.faces.length;b<c;b++)for(f=this.faces[b],d=0;d<
-f.vertexNormals.length;d++)m.copy(f.vertexNormals[d]),e=f[O[d]],J=F[e],T.copy(J),T.subSelf(m.multiplyScalar(m.dot(J))).normalize(),R.cross(f.vertexNormals[d],J),e=R.dot(K[e]),e=0>e?-1:1,f.vertexTangents[d]=new THREE.Vector4(T.x,T.y,T.z,e);this.hasTangents=!0},computeLineDistances:function(){for(var a=0,b=this.vertices,c=0,d=b.length;c<d;c++)0<c&&(a+=b[c].distanceTo(b[c-1])),this.lineDistances[c]=a},computeBoundingBox:function(){this.boundingBox||(this.boundingBox={min:new THREE.Vector3,max:new THREE.Vector3});
-if(0<this.vertices.length){var a;a=this.vertices[0];this.boundingBox.min.copy(a);this.boundingBox.max.copy(a);for(var b=this.boundingBox.min,c=this.boundingBox.max,d=1,e=this.vertices.length;d<e;d++)a=this.vertices[d],a.x<b.x?b.x=a.x:a.x>c.x&&(c.x=a.x),a.y<b.y?b.y=a.y:a.y>c.y&&(c.y=a.y),a.z<b.z?b.z=a.z:a.z>c.z&&(c.z=a.z)}else this.boundingBox.min.set(0,0,0),this.boundingBox.max.set(0,0,0)},computeBoundingSphere:function(){var a=0;null===this.boundingSphere&&(this.boundingSphere={radius:0});for(var b=
-0,c=this.vertices.length;b<c;b++){var d=this.vertices[b].lengthSq();d>a&&(a=d)}this.boundingSphere.radius=Math.sqrt(a)},mergeVertices:function(){var a={},b=[],c=[],d,e=Math.pow(10,4),f,g,h,l;f=0;for(g=this.vertices.length;f<g;f++)d=this.vertices[f],d=[Math.round(d.x*e),Math.round(d.y*e),Math.round(d.z*e)].join("_"),void 0===a[d]?(a[d]=f,b.push(this.vertices[f]),c[f]=b.length-1):c[f]=c[a[d]];f=0;for(g=this.faces.length;f<g;f++)if(a=this.faces[f],a instanceof THREE.Face3)a.a=c[a.a],a.b=c[a.b],a.c=c[a.c];
-else if(a instanceof THREE.Face4)for(a.a=c[a.a],a.b=c[a.b],a.c=c[a.c],a.d=c[a.d],d=[a.a,a.b,a.c,a.d],e=3;0<e;e--)if(d.indexOf(a["abcd"[e]])!==e){d.splice(e,1);this.faces[f]=new THREE.Face3(d[0],d[1],d[2],a.normal,a.color,a.materialIndex);d=0;for(h=this.faceVertexUvs.length;d<h;d++)(l=this.faceVertexUvs[d][f])&&l.splice(e,1);this.faces[f].vertexColors=a.vertexColors;break}c=this.vertices.length-b.length;this.vertices=b;return c},clone:function(){for(var a=new THREE.Geometry,b=this.vertices,c=0,d=b.length;c<
-d;c++)a.vertices.push(b[c].clone());b=this.faces;c=0;for(d=b.length;c<d;c++)a.faces.push(b[c].clone());b=this.faceVertexUvs[0];c=0;for(d=b.length;c<d;c++){for(var e=b[c],f=[],g=0,h=e.length;g<h;g++)f.push(new THREE.UV(e[g].u,e[g].v));a.faceVertexUvs[0].push(f)}return a},deallocate:function(){var a=THREE.GeometryLibrary.indexOf(this);-1!==a&&THREE.GeometryLibrary.splice(a,1)}};THREE.GeometryIdCount=0;THREE.GeometryLibrary=[];
-THREE.BufferGeometry=function(){THREE.GeometryLibrary.push(this);this.id=THREE.GeometryIdCount++;this.attributes={};this.dynamic=!1;this.boundingSphere=this.boundingBox=null;this.hasTangents=!1;this.morphTargets=[]};
-THREE.BufferGeometry.prototype={constructor:THREE.BufferGeometry,applyMatrix:function(a){var b,c;this.attributes.position&&(b=this.attributes.position.array);this.attributes.normal&&(c=this.attributes.normal.array);void 0!==b&&(a.multiplyVector3Array(b),this.verticesNeedUpdate=!0);void 0!==c&&(b=new THREE.Matrix3,b.getInverse(a).transpose(),b.multiplyVector3Array(c),this.normalizeNormals(),this.normalsNeedUpdate=!0)},computeBoundingBox:function(){this.boundingBox||(this.boundingBox={min:new THREE.Vector3(Infinity,
-Infinity,Infinity),max:new THREE.Vector3(-Infinity,-Infinity,-Infinity)});var a=this.attributes.position.array;if(a)for(var b=this.boundingBox,c,d,e,f=0,g=a.length;f<g;f+=3)c=a[f],d=a[f+1],e=a[f+2],c<b.min.x?b.min.x=c:c>b.max.x&&(b.max.x=c),d<b.min.y?b.min.y=d:d>b.max.y&&(b.max.y=d),e<b.min.z?b.min.z=e:e>b.max.z&&(b.max.z=e);if(void 0===a||0===a.length)this.boundingBox.min.set(0,0,0),this.boundingBox.max.set(0,0,0)},computeBoundingSphere:function(){this.boundingSphere||(this.boundingSphere={radius:0});
-var a=this.attributes.position.array;if(a){for(var b,c=0,d,e,f=0,g=a.length;f<g;f+=3)b=a[f],d=a[f+1],e=a[f+2],b=b*b+d*d+e*e,b>c&&(c=b);this.boundingSphere.radius=Math.sqrt(c)}},computeVertexNormals:function(){if(this.attributes.position&&this.attributes.index){var a,b,c,d;a=this.attributes.position.array.length;if(void 0===this.attributes.normal)this.attributes.normal={itemSize:3,array:new Float32Array(a),numItems:a};else for(a=0,b=this.attributes.normal.array.length;a<b;a++)this.attributes.normal.array[a]=
-0;var e=this.offsets,f=this.attributes.index.array,g=this.attributes.position.array,h=this.attributes.normal.array,l,k,q,s,t,v,u=new THREE.Vector3,w=new THREE.Vector3,x=new THREE.Vector3,y=new THREE.Vector3,A=new THREE.Vector3;c=0;for(d=e.length;c<d;++c){b=e[c].start;l=e[c].count;var C=e[c].index;a=b;for(b+=l;a<b;a+=3)l=C+f[a],k=C+f[a+1],q=C+f[a+2],s=g[3*l],t=g[3*l+1],v=g[3*l+2],u.set(s,t,v),s=g[3*k],t=g[3*k+1],v=g[3*k+2],w.set(s,t,v),s=g[3*q],t=g[3*q+1],v=g[3*q+2],x.set(s,t,v),y.sub(x,w),A.sub(u,
-w),y.crossSelf(A),h[3*l]+=y.x,h[3*l+1]+=y.y,h[3*l+2]+=y.z,h[3*k]+=y.x,h[3*k+1]+=y.y,h[3*k+2]+=y.z,h[3*q]+=y.x,h[3*q+1]+=y.y,h[3*q+2]+=y.z}this.normalizeNormals();this.normalsNeedUpdate=!0}},normalizeNormals:function(){for(var a=this.attributes.normal.array,b,c,d,e=0,f=a.length;e<f;e+=3)b=a[e],c=a[e+1],d=a[e+2],b=1/Math.sqrt(b*b+c*c+d*d),a[e]*=b,a[e+1]*=b,a[e+2]*=b},computeTangents:function(){function a(a,b,c){s=d[3*a];t=d[3*a+1];v=d[3*a+2];u=d[3*b];w=d[3*b+1];x=d[3*b+2];y=d[3*c];A=d[3*c+1];C=d[3*
-c+2];B=f[2*a];z=f[2*a+1];D=f[2*b];I=f[2*b+1];J=f[2*c];F=f[2*c+1];K=u-s;L=y-s;H=w-t;T=A-t;R=x-v;m=C-v;O=D-B;W=J-B;P=I-z;ha=F-z;ca=1/(O*ha-W*P);oa.set((ha*K-P*L)*ca,(ha*H-P*T)*ca,(ha*R-P*m)*ca);S.set((O*L-W*K)*ca,(O*T-W*H)*ca,(O*m-W*R)*ca);k[a].addSelf(oa);k[b].addSelf(oa);k[c].addSelf(oa);q[a].addSelf(S);q[b].addSelf(S);q[c].addSelf(S)}function b(a){V.x=e[3*a];V.y=e[3*a+1];V.z=e[3*a+2];ka.copy(V);ma=k[a];ga.copy(ma);ga.subSelf(V.multiplyScalar(V.dot(ma))).normalize();ea.cross(ka,ma);pa=ea.dot(q[a]);
-ta=0>pa?-1:1;l[4*a]=ga.x;l[4*a+1]=ga.y;l[4*a+2]=ga.z;l[4*a+3]=ta}if(void 0===this.attributes.index||void 0===this.attributes.position||void 0===this.attributes.normal||void 0===this.attributes.uv)console.warn("Missing required attributes (index, position, normal or uv) in BufferGeometry.computeTangents()");else{var c=this.attributes.index.array,d=this.attributes.position.array,e=this.attributes.normal.array,f=this.attributes.uv.array,g=d.length/3;if(void 0===this.attributes.tangent){var h=4*g;this.attributes.tangent=
-{itemSize:4,array:new Float32Array(h),numItems:h}}for(var l=this.attributes.tangent.array,k=[],q=[],h=0;h<g;h++)k[h]=new THREE.Vector3,q[h]=new THREE.Vector3;var s,t,v,u,w,x,y,A,C,B,z,D,I,J,F,K,L,H,T,R,m,O,W,P,ha,ca,oa=new THREE.Vector3,S=new THREE.Vector3,Da,N,da,Q,U,ia=this.offsets,h=0;for(N=ia.length;h<N;++h){Da=ia[h].start;da=ia[h].count;var ba=ia[h].index,g=Da;for(Da+=da;g<Da;g+=3)da=ba+c[g],Q=ba+c[g+1],U=ba+c[g+2],a(da,Q,U)}var ga=new THREE.Vector3,ea=new THREE.Vector3,V=new THREE.Vector3,ka=
-new THREE.Vector3,ta,ma,pa,h=0;for(N=ia.length;h<N;++h)for(Da=ia[h].start,da=ia[h].count,ba=ia[h].index,g=Da,Da+=da;g<Da;g+=3)da=ba+c[g],Q=ba+c[g+1],U=ba+c[g+2],b(da),b(Q),b(U);this.tangentsNeedUpdate=this.hasTangents=!0}},deallocate:function(){var a=THREE.GeometryLibrary.indexOf(this);-1!==a&&THREE.GeometryLibrary.splice(a,1)}};
-THREE.Spline=function(a){function b(a,b,c,d,e,f,g){a=0.5*(c-a);d=0.5*(d-b);return(2*(b-c)+a+d)*g+(-3*(b-c)-2*a-d)*f+a*e+b}this.points=a;var c=[],d={x:0,y:0,z:0},e,f,g,h,l,k,q,s,t;this.initFromArray=function(a){this.points=[];for(var b=0;b<a.length;b++)this.points[b]={x:a[b][0],y:a[b][1],z:a[b][2]}};this.getPoint=function(a){e=(this.points.length-1)*a;f=Math.floor(e);g=e-f;c[0]=0===f?f:f-1;c[1]=f;c[2]=f>this.points.length-2?this.points.length-1:f+1;c[3]=f>this.points.length-3?this.points.length-1:
-f+2;k=this.points[c[0]];q=this.points[c[1]];s=this.points[c[2]];t=this.points[c[3]];h=g*g;l=g*h;d.x=b(k.x,q.x,s.x,t.x,g,h,l);d.y=b(k.y,q.y,s.y,t.y,g,h,l);d.z=b(k.z,q.z,s.z,t.z,g,h,l);return d};this.getControlPointsArray=function(){var a,b,c=this.points.length,d=[];for(a=0;a<c;a++)b=this.points[a],d[a]=[b.x,b.y,b.z];return d};this.getLength=function(a){var b,c,d,e=b=b=0,f=new THREE.Vector3,g=new THREE.Vector3,h=[],l=0;h[0]=0;a||(a=100);c=this.points.length*a;f.copy(this.points[0]);for(a=1;a<c;a++)b=
-a/c,d=this.getPoint(b),g.copy(d),l+=g.distanceTo(f),f.copy(d),b*=this.points.length-1,b=Math.floor(b),b!=e&&(h[b]=l,e=b);h[h.length]=l;return{chunks:h,total:l}};this.reparametrizeByArcLength=function(a){var b,c,d,e,f,g,h=[],l=new THREE.Vector3,k=this.getLength();h.push(l.copy(this.points[0]).clone());for(b=1;b<this.points.length;b++){c=k.chunks[b]-k.chunks[b-1];g=Math.ceil(a*c/k.total);e=(b-1)/(this.points.length-1);f=b/(this.points.length-1);for(c=1;c<g-1;c++)d=e+1/g*c*(f-e),d=this.getPoint(d),h.push(l.copy(d).clone());
-h.push(l.copy(this.points[b]).clone())}this.points=h}};THREE.Camera=function(){THREE.Object3D.call(this);this.matrixWorldInverse=new THREE.Matrix4;this.projectionMatrix=new THREE.Matrix4;this.projectionMatrixInverse=new THREE.Matrix4};THREE.Camera.prototype=Object.create(THREE.Object3D.prototype);
-THREE.Camera.prototype.lookAt=function(a){this.matrix.lookAt(this.position,a,this.up);!0===this.rotationAutoUpdate&&(!1===this.useQuaternion?this.rotation.setEulerFromRotationMatrix(this.matrix,this.eulerOrder):this.quaternion.copy(this.matrix.decompose()[1]))};THREE.OrthographicCamera=function(a,b,c,d,e,f){THREE.Camera.call(this);this.left=a;this.right=b;this.top=c;this.bottom=d;this.near=void 0!==e?e:0.1;this.far=void 0!==f?f:2E3;this.updateProjectionMatrix()};
-THREE.OrthographicCamera.prototype=Object.create(THREE.Camera.prototype);THREE.OrthographicCamera.prototype.updateProjectionMatrix=function(){this.projectionMatrix.makeOrthographic(this.left,this.right,this.top,this.bottom,this.near,this.far)};THREE.PerspectiveCamera=function(a,b,c,d){THREE.Camera.call(this);this.fov=void 0!==a?a:50;this.aspect=void 0!==b?b:1;this.near=void 0!==c?c:0.1;this.far=void 0!==d?d:2E3;this.updateProjectionMatrix()};THREE.PerspectiveCamera.prototype=Object.create(THREE.Camera.prototype);
-THREE.PerspectiveCamera.prototype.setLens=function(a,b){void 0===b&&(b=24);this.fov=2*Math.atan(b/(2*a))*(180/Math.PI);this.updateProjectionMatrix()};THREE.PerspectiveCamera.prototype.setViewOffset=function(a,b,c,d,e,f){this.fullWidth=a;this.fullHeight=b;this.x=c;this.y=d;this.width=e;this.height=f;this.updateProjectionMatrix()};
-THREE.PerspectiveCamera.prototype.updateProjectionMatrix=function(){if(this.fullWidth){var a=this.fullWidth/this.fullHeight,b=Math.tan(this.fov*Math.PI/360)*this.near,c=-b,d=a*c,a=Math.abs(a*b-d),c=Math.abs(b-c);this.projectionMatrix.makeFrustum(d+this.x*a/this.fullWidth,d+(this.x+this.width)*a/this.fullWidth,b-(this.y+this.height)*c/this.fullHeight,b-this.y*c/this.fullHeight,this.near,this.far)}else this.projectionMatrix.makePerspective(this.fov,this.aspect,this.near,this.far)};
-THREE.Light=function(a){THREE.Object3D.call(this);this.color=new THREE.Color(a)};THREE.Light.prototype=Object.create(THREE.Object3D.prototype);THREE.AmbientLight=function(a){THREE.Light.call(this,a)};THREE.AmbientLight.prototype=Object.create(THREE.Light.prototype);
-THREE.DirectionalLight=function(a,b){THREE.Light.call(this,a);this.position=new THREE.Vector3(0,1,0);this.target=new THREE.Object3D;this.intensity=void 0!==b?b:1;this.onlyShadow=this.castShadow=!1;this.shadowCameraNear=50;this.shadowCameraFar=5E3;this.shadowCameraLeft=-500;this.shadowCameraTop=this.shadowCameraRight=500;this.shadowCameraBottom=-500;this.shadowCameraVisible=!1;this.shadowBias=0;this.shadowDarkness=0.5;this.shadowMapHeight=this.shadowMapWidth=512;this.shadowCascade=!1;this.shadowCascadeOffset=
-new THREE.Vector3(0,0,-1E3);this.shadowCascadeCount=2;this.shadowCascadeBias=[0,0,0];this.shadowCascadeWidth=[512,512,512];this.shadowCascadeHeight=[512,512,512];this.shadowCascadeNearZ=[-1,0.99,0.998];this.shadowCascadeFarZ=[0.99,0.998,1];this.shadowCascadeArray=[];this.shadowMatrix=this.shadowCamera=this.shadowMapSize=this.shadowMap=null};THREE.DirectionalLight.prototype=Object.create(THREE.Light.prototype);
-THREE.HemisphereLight=function(a,b,c){THREE.Light.call(this,a);this.groundColor=new THREE.Color(b);this.position=new THREE.Vector3(0,100,0);this.intensity=void 0!==c?c:1};THREE.HemisphereLight.prototype=Object.create(THREE.Light.prototype);THREE.PointLight=function(a,b,c){THREE.Light.call(this,a);this.position=new THREE.Vector3(0,0,0);this.intensity=void 0!==b?b:1;this.distance=void 0!==c?c:0};THREE.PointLight.prototype=Object.create(THREE.Light.prototype);
-THREE.SpotLight=function(a,b,c,d,e){THREE.Light.call(this,a);this.position=new THREE.Vector3(0,1,0);this.target=new THREE.Object3D;this.intensity=void 0!==b?b:1;this.distance=void 0!==c?c:0;this.angle=void 0!==d?d:Math.PI/2;this.exponent=void 0!==e?e:10;this.onlyShadow=this.castShadow=!1;this.shadowCameraNear=50;this.shadowCameraFar=5E3;this.shadowCameraFov=50;this.shadowCameraVisible=!1;this.shadowBias=0;this.shadowDarkness=0.5;this.shadowMapHeight=this.shadowMapWidth=512;this.shadowMatrix=this.shadowCamera=
-this.shadowMapSize=this.shadowMap=null};THREE.SpotLight.prototype=Object.create(THREE.Light.prototype);THREE.Loader=function(a){this.statusDomElement=(this.showStatus=a)?THREE.Loader.prototype.addStatusElement():null;this.onLoadStart=function(){};this.onLoadProgress=function(){};this.onLoadComplete=function(){}};
-THREE.Loader.prototype={constructor:THREE.Loader,crossOrigin:"anonymous",addStatusElement:function(){var a=document.createElement("div");a.style.position="absolute";a.style.right="0px";a.style.top="0px";a.style.fontSize="0.8em";a.style.textAlign="left";a.style.background="rgba(0,0,0,0.25)";a.style.color="#fff";a.style.width="120px";a.style.padding="0.5em 0.5em 0.5em 0.5em";a.style.zIndex=1E3;a.innerHTML="Loading ...";return a},updateProgress:function(a){var b="Loaded ",b=a.total?b+((100*a.loaded/
-a.total).toFixed(0)+"%"):b+((a.loaded/1E3).toFixed(2)+" KB");this.statusDomElement.innerHTML=b},extractUrlBase:function(a){a=a.split("/");a.pop();return(1>a.length?".":a.join("/"))+"/"},initMaterials:function(a,b){for(var c=[],d=0;d<a.length;++d)c[d]=THREE.Loader.prototype.createMaterial(a[d],b);return c},needsTangents:function(a){for(var b=0,c=a.length;b<c;b++)if(a[b]instanceof THREE.ShaderMaterial)return!0;return!1},createMaterial:function(a,b){function c(a){a=Math.log(a)/Math.LN2;return Math.floor(a)==
-a}function d(a){a=Math.log(a)/Math.LN2;return Math.pow(2,Math.round(a))}function e(a,b){var e=new Image;e.onload=function(){if(c(this.width)&&c(this.height))a.image=this;else{var b=d(this.width),e=d(this.height);a.image.width=b;a.image.height=e;a.image.getContext("2d").drawImage(this,0,0,b,e)}a.needsUpdate=!0};e.crossOrigin=h.crossOrigin;e.src=b}function f(a,c,d,f,g,h,l){var k=d.toLowerCase().endsWith(".dds"),q=b+"/"+d;if(k){var B=THREE.ImageUtils.loadCompressedTexture(q);a[c]=B}else B=document.createElement("canvas"),
-a[c]=new THREE.Texture(B);a[c].sourceFile=d;f&&(a[c].repeat.set(f[0],f[1]),1!==f[0]&&(a[c].wrapS=THREE.RepeatWrapping),1!==f[1]&&(a[c].wrapT=THREE.RepeatWrapping));g&&a[c].offset.set(g[0],g[1]);h&&(d={repeat:THREE.RepeatWrapping,mirror:THREE.MirroredRepeatWrapping},void 0!==d[h[0]]&&(a[c].wrapS=d[h[0]]),void 0!==d[h[1]]&&(a[c].wrapT=d[h[1]]));l&&(a[c].anisotropy=l);k||e(a[c],q)}function g(a){return(255*a[0]<<16)+(255*a[1]<<8)+255*a[2]}var h=this,l="MeshLambertMaterial",k={color:15658734,opacity:1,
-map:null,lightMap:null,normalMap:null,bumpMap:null,wireframe:!1};if(a.shading){var q=a.shading.toLowerCase();"phong"===q?l="MeshPhongMaterial":"basic"===q&&(l="MeshBasicMaterial")}void 0!==a.blending&&void 0!==THREE[a.blending]&&(k.blending=THREE[a.blending]);if(void 0!==a.transparent||1>a.opacity)k.transparent=a.transparent;void 0!==a.depthTest&&(k.depthTest=a.depthTest);void 0!==a.depthWrite&&(k.depthWrite=a.depthWrite);void 0!==a.visible&&(k.visible=a.visible);void 0!==a.flipSided&&(k.side=THREE.BackSide);
-void 0!==a.doubleSided&&(k.side=THREE.DoubleSide);void 0!==a.wireframe&&(k.wireframe=a.wireframe);void 0!==a.vertexColors&&("face"===a.vertexColors?k.vertexColors=THREE.FaceColors:a.vertexColors&&(k.vertexColors=THREE.VertexColors));a.colorDiffuse?k.color=g(a.colorDiffuse):a.DbgColor&&(k.color=a.DbgColor);a.colorSpecular&&(k.specular=g(a.colorSpecular));a.colorAmbient&&(k.ambient=g(a.colorAmbient));a.transparency&&(k.opacity=a.transparency);a.specularCoef&&(k.shininess=a.specularCoef);a.mapDiffuse&&
-b&&f(k,"map",a.mapDiffuse,a.mapDiffuseRepeat,a.mapDiffuseOffset,a.mapDiffuseWrap,a.mapDiffuseAnisotropy);a.mapLight&&b&&f(k,"lightMap",a.mapLight,a.mapLightRepeat,a.mapLightOffset,a.mapLightWrap,a.mapLightAnisotropy);a.mapBump&&b&&f(k,"bumpMap",a.mapBump,a.mapBumpRepeat,a.mapBumpOffset,a.mapBumpWrap,a.mapBumpAnisotropy);a.mapNormal&&b&&f(k,"normalMap",a.mapNormal,a.mapNormalRepeat,a.mapNormalOffset,a.mapNormalWrap,a.mapNormalAnisotropy);a.mapSpecular&&b&&f(k,"specularMap",a.mapSpecular,a.mapSpecularRepeat,
-a.mapSpecularOffset,a.mapSpecularWrap,a.mapSpecularAnisotropy);a.mapBumpScale&&(k.bumpScale=a.mapBumpScale);a.mapNormal?(l=THREE.ShaderUtils.lib.normal,q=THREE.UniformsUtils.clone(l.uniforms),q.tNormal.value=k.normalMap,a.mapNormalFactor&&q.uNormalScale.value.set(a.mapNormalFactor,a.mapNormalFactor),k.map&&(q.tDiffuse.value=k.map,q.enableDiffuse.value=!0),k.specularMap&&(q.tSpecular.value=k.specularMap,q.enableSpecular.value=!0),k.lightMap&&(q.tAO.value=k.lightMap,q.enableAO.value=!0),q.uDiffuseColor.value.setHex(k.color),
-q.uSpecularColor.value.setHex(k.specular),q.uAmbientColor.value.setHex(k.ambient),q.uShininess.value=k.shininess,void 0!==k.opacity&&(q.uOpacity.value=k.opacity),k=new THREE.ShaderMaterial({fragmentShader:l.fragmentShader,vertexShader:l.vertexShader,uniforms:q,lights:!0,fog:!0})):k=new THREE[l](k);void 0!==a.DbgName&&(k.name=a.DbgName);return k}};THREE.BinaryLoader=function(a){THREE.Loader.call(this,a)};THREE.BinaryLoader.prototype=Object.create(THREE.Loader.prototype);
-THREE.BinaryLoader.prototype.load=function(a,b,c,d){c=c&&"string"===typeof c?c:this.extractUrlBase(a);d=d&&"string"===typeof d?d:this.extractUrlBase(a);var e=this.showProgress?THREE.Loader.prototype.updateProgress:null;this.onLoadStart();this.loadAjaxJSON(this,a,b,c,d,e)};
-THREE.BinaryLoader.prototype.loadAjaxJSON=function(a,b,c,d,e,f){var g=new XMLHttpRequest;g.onreadystatechange=function(){if(4==g.readyState)if(200==g.status||0==g.status){var h=JSON.parse(g.responseText);a.loadAjaxBuffers(h,c,e,d,f)}else console.error("THREE.BinaryLoader: Couldn't load ["+b+"] ["+g.status+"]")};g.open("GET",b,!0);g.send(null)};
-THREE.BinaryLoader.prototype.loadAjaxBuffers=function(a,b,c,d,e){var f=new XMLHttpRequest,g=c+"/"+a.buffers,h=0;f.onreadystatechange=function(){if(4==f.readyState)if(200==f.status||0==f.status){var c=f.response;void 0===c&&(c=(new Uint8Array(f.responseBody)).buffer);THREE.BinaryLoader.prototype.createBinModel(c,b,d,a.materials)}else console.error("THREE.BinaryLoader: Couldn't load ["+g+"] ["+f.status+"]");else 3==f.readyState?e&&(0==h&&(h=f.getResponseHeader("Content-Length")),e({total:h,loaded:f.responseText.length})):
-2==f.readyState&&(h=f.getResponseHeader("Content-Length"))};f.open("GET",g,!0);f.responseType="arraybuffer";f.send(null)};
-THREE.BinaryLoader.prototype.createBinModel=function(a,b,c,d){var e=function(b){function c(a){return a%4?4-a%4:0}function d(a,b){return(new Uint8Array(a,b,1))[0]}function e(a,b){return(new Uint32Array(a,b,1))[0]}function k(b,c){var d,e,f,g,h,l,k,q=new Uint32Array(a,c,3*b);for(d=0;d<b;d++)e=q[3*d],f=q[3*d+1],g=q[3*d+2],h=A[2*e],e=A[2*e+1],l=A[2*f],k=A[2*f+1],f=A[2*g],g=A[2*g+1],w.faceVertexUvs[0].push([new THREE.UV(h,e),new THREE.UV(l,k),new THREE.UV(f,g)])}function q(b,c){var d,e,f,g,h,l,k,q,s,t=
-new Uint32Array(a,c,4*b);for(d=0;d<b;d++)e=t[4*d],f=t[4*d+1],g=t[4*d+2],h=t[4*d+3],l=A[2*e],e=A[2*e+1],k=A[2*f],q=A[2*f+1],f=A[2*g],s=A[2*g+1],g=A[2*h],h=A[2*h+1],w.faceVertexUvs[0].push([new THREE.UV(l,e),new THREE.UV(k,q),new THREE.UV(f,s),new THREE.UV(g,h)])}function s(b,c,d){var e,f,g,h;c=new Uint32Array(a,c,3*b);var l=new Uint16Array(a,d,b);for(d=0;d<b;d++)e=c[3*d],f=c[3*d+1],g=c[3*d+2],h=l[d],w.faces.push(new THREE.Face3(e,f,g,null,null,h))}function t(b,c,d){var e,f,g,h,l;c=new Uint32Array(a,
-c,4*b);var k=new Uint16Array(a,d,b);for(d=0;d<b;d++)e=c[4*d],f=c[4*d+1],g=c[4*d+2],h=c[4*d+3],l=k[d],w.faces.push(new THREE.Face4(e,f,g,h,null,null,l))}function v(b,c,d,e){var f,g,h,l,k,q,s;c=new Uint32Array(a,c,3*b);d=new Uint32Array(a,d,3*b);var t=new Uint16Array(a,e,b);for(e=0;e<b;e++){f=c[3*e];g=c[3*e+1];h=c[3*e+2];k=d[3*e];q=d[3*e+1];s=d[3*e+2];l=t[e];var v=y[3*q],u=y[3*q+1];q=y[3*q+2];var x=y[3*s],z=y[3*s+1];s=y[3*s+2];w.faces.push(new THREE.Face3(f,g,h,[new THREE.Vector3(y[3*k],y[3*k+1],y[3*
-k+2]),new THREE.Vector3(v,u,q),new THREE.Vector3(x,z,s)],null,l))}}function u(b,c,d,e){var f,g,h,l,k,q,s,t,v;c=new Uint32Array(a,c,4*b);d=new Uint32Array(a,d,4*b);var u=new Uint16Array(a,e,b);for(e=0;e<b;e++){f=c[4*e];g=c[4*e+1];h=c[4*e+2];l=c[4*e+3];q=d[4*e];s=d[4*e+1];t=d[4*e+2];v=d[4*e+3];k=u[e];var x=y[3*s],z=y[3*s+1];s=y[3*s+2];var A=y[3*t],C=y[3*t+1];t=y[3*t+2];var B=y[3*v],D=y[3*v+1];v=y[3*v+2];w.faces.push(new THREE.Face4(f,g,h,l,[new THREE.Vector3(y[3*q],y[3*q+1],y[3*q+2]),new THREE.Vector3(x,
-z,s),new THREE.Vector3(A,C,t),new THREE.Vector3(B,D,v)],null,k))}}var w=this;b=0;var x,y=[],A=[],C,B,z,D,I,J,F;THREE.Geometry.call(this);x=function(a,b){for(var c=new Uint8Array(a,b,12),f="",g=0;12>g;g++)f+=String.fromCharCode(c[b+g]);return{signature:f,header_bytes:d(a,b+12),vertex_coordinate_bytes:d(a,b+13),normal_coordinate_bytes:d(a,b+14),uv_coordinate_bytes:d(a,b+15),vertex_index_bytes:d(a,b+16),normal_index_bytes:d(a,b+17),uv_index_bytes:d(a,b+18),material_index_bytes:d(a,b+19),nvertices:e(a,
-b+20),nnormals:e(a,b+20+4),nuvs:e(a,b+20+8),ntri_flat:e(a,b+20+12),ntri_smooth:e(a,b+20+16),ntri_flat_uv:e(a,b+20+20),ntri_smooth_uv:e(a,b+20+24),nquad_flat:e(a,b+20+28),nquad_smooth:e(a,b+20+32),nquad_flat_uv:e(a,b+20+36),nquad_smooth_uv:e(a,b+20+40)}}(a,b);b+=x.header_bytes;J=3*x.vertex_index_bytes+x.material_index_bytes;F=4*x.vertex_index_bytes+x.material_index_bytes;C=x.ntri_flat*J;B=x.ntri_smooth*(J+3*x.normal_index_bytes);z=x.ntri_flat_uv*(J+3*x.uv_index_bytes);D=x.ntri_smooth_uv*(J+3*x.normal_index_bytes+
-3*x.uv_index_bytes);I=x.nquad_flat*F;J=x.nquad_smooth*(F+4*x.normal_index_bytes);F=x.nquad_flat_uv*(F+4*x.uv_index_bytes);b+=function(b){var c=x.nvertices;b=new Float32Array(a,b,3*c);var d,e,f,g;for(d=0;d<c;d++)e=b[3*d],f=b[3*d+1],g=b[3*d+2],w.vertices.push(new THREE.Vector3(e,f,g));return 3*c*Float32Array.BYTES_PER_ELEMENT}(b);b+=function(b){var c=x.nnormals;if(c){b=new Int8Array(a,b,3*c);var d,e,f,g;for(d=0;d<c;d++)e=b[3*d],f=b[3*d+1],g=b[3*d+2],y.push(e/127,f/127,g/127)}return 3*c*Int8Array.BYTES_PER_ELEMENT}(b);
-b+=c(3*x.nnormals);b+=function(b){var c=x.nuvs;if(c){b=new Float32Array(a,b,2*c);var d,e,f;for(d=0;d<c;d++)e=b[2*d],f=b[2*d+1],A.push(e,f)}return 2*c*Float32Array.BYTES_PER_ELEMENT}(b);C=b+C+c(2*x.ntri_flat);B=C+B+c(2*x.ntri_smooth);z=B+z+c(2*x.ntri_flat_uv);D=z+D+c(2*x.ntri_smooth_uv);I=D+I+c(2*x.nquad_flat);J=I+J+c(2*x.nquad_smooth);F=J+F+c(2*x.nquad_flat_uv);(function(a){var b=x.ntri_flat_uv;if(b){var c=a+b*Uint32Array.BYTES_PER_ELEMENT*3;s(b,a,c+b*Uint32Array.BYTES_PER_ELEMENT*3);k(b,c)}})(B);
-(function(a){var b=x.ntri_smooth_uv;if(b){var c=a+b*Uint32Array.BYTES_PER_ELEMENT*3,d=c+b*Uint32Array.BYTES_PER_ELEMENT*3;v(b,a,c,d+b*Uint32Array.BYTES_PER_ELEMENT*3);k(b,d)}})(z);(function(a){var b=x.nquad_flat_uv;if(b){var c=a+b*Uint32Array.BYTES_PER_ELEMENT*4;t(b,a,c+b*Uint32Array.BYTES_PER_ELEMENT*4);q(b,c)}})(J);(function(a){var b=x.nquad_smooth_uv;if(b){var c=a+b*Uint32Array.BYTES_PER_ELEMENT*4,d=c+b*Uint32Array.BYTES_PER_ELEMENT*4;u(b,a,c,d+b*Uint32Array.BYTES_PER_ELEMENT*4);q(b,d)}})(F);(function(a){var b=
-x.ntri_flat;b&&s(b,a,a+b*Uint32Array.BYTES_PER_ELEMENT*3)})(b);(function(a){var b=x.ntri_smooth;if(b){var c=a+b*Uint32Array.BYTES_PER_ELEMENT*3;v(b,a,c,c+b*Uint32Array.BYTES_PER_ELEMENT*3)}})(C);(function(a){var b=x.nquad_flat;b&&t(b,a,a+b*Uint32Array.BYTES_PER_ELEMENT*4)})(D);(function(a){var b=x.nquad_smooth;if(b){var c=a+b*Uint32Array.BYTES_PER_ELEMENT*4;u(b,a,c,c+b*Uint32Array.BYTES_PER_ELEMENT*4)}})(I);this.computeCentroids();this.computeFaceNormals()};e.prototype=Object.create(THREE.Geometry.prototype);
-e=new e(c);c=this.initMaterials(d,c);this.needsTangents(c)&&e.computeTangents();b(e,c)};THREE.ImageLoader=function(){THREE.EventTarget.call(this);this.crossOrigin=null};
-THREE.ImageLoader.prototype={constructor:THREE.ImageLoader,load:function(a,b){var c=this;void 0===b&&(b=new Image);b.addEventListener("load",function(){c.dispatchEvent({type:"load",content:b})},!1);b.addEventListener("error",function(){c.dispatchEvent({type:"error",message:"Couldn't load URL ["+a+"]"})},!1);c.crossOrigin&&(b.crossOrigin=c.crossOrigin);b.src=a}};THREE.JSONLoader=function(a){THREE.Loader.call(this,a);this.withCredentials=!1};THREE.JSONLoader.prototype=Object.create(THREE.Loader.prototype);
-THREE.JSONLoader.prototype.load=function(a,b,c){c=c&&"string"===typeof c?c:this.extractUrlBase(a);this.onLoadStart();this.loadAjaxJSON(this,a,b,c)};
-THREE.JSONLoader.prototype.loadAjaxJSON=function(a,b,c,d,e){var f=new XMLHttpRequest,g=0;f.withCredentials=this.withCredentials;f.onreadystatechange=function(){if(f.readyState===f.DONE)if(200===f.status||0===f.status){if(f.responseText){var h=JSON.parse(f.responseText);a.createModel(h,c,d)}else console.warn("THREE.JSONLoader: ["+b+"] seems to be unreachable or file there is empty");a.onLoadComplete()}else console.error("THREE.JSONLoader: Couldn't load ["+b+"] ["+f.status+"]");else f.readyState===
-f.LOADING?e&&(0===g&&(g=f.getResponseHeader("Content-Length")),e({total:g,loaded:f.responseText.length})):f.readyState===f.HEADERS_RECEIVED&&(g=f.getResponseHeader("Content-Length"))};f.open("GET",b,!0);f.send(null)};
-THREE.JSONLoader.prototype.createModel=function(a,b,c){var d=new THREE.Geometry,e=void 0!==a.scale?1/a.scale:1;(function(b){var c,e,l,k,q,s,t,v,u,w,x,y,A,C,B=a.faces;s=a.vertices;var z=a.normals,D=a.colors,I=0;for(c=0;c<a.uvs.length;c++)a.uvs[c].length&&I++;for(c=0;c<I;c++)d.faceUvs[c]=[],d.faceVertexUvs[c]=[];k=0;for(q=s.length;k<q;)t=new THREE.Vector3,t.x=s[k++]*b,t.y=s[k++]*b,t.z=s[k++]*b,d.vertices.push(t);k=0;for(q=B.length;k<q;){b=B[k++];s=b&1;l=b&2;c=b&4;e=b&8;v=b&16;t=b&32;w=b&64;b&=128;s?
-(x=new THREE.Face4,x.a=B[k++],x.b=B[k++],x.c=B[k++],x.d=B[k++],s=4):(x=new THREE.Face3,x.a=B[k++],x.b=B[k++],x.c=B[k++],s=3);l&&(l=B[k++],x.materialIndex=l);l=d.faces.length;if(c)for(c=0;c<I;c++)y=a.uvs[c],u=B[k++],C=y[2*u],u=y[2*u+1],d.faceUvs[c][l]=new THREE.UV(C,u);if(e)for(c=0;c<I;c++){y=a.uvs[c];A=[];for(e=0;e<s;e++)u=B[k++],C=y[2*u],u=y[2*u+1],A[e]=new THREE.UV(C,u);d.faceVertexUvs[c][l]=A}v&&(v=3*B[k++],e=new THREE.Vector3,e.x=z[v++],e.y=z[v++],e.z=z[v],x.normal=e);if(t)for(c=0;c<s;c++)v=3*
-B[k++],e=new THREE.Vector3,e.x=z[v++],e.y=z[v++],e.z=z[v],x.vertexNormals.push(e);w&&(t=B[k++],t=new THREE.Color(D[t]),x.color=t);if(b)for(c=0;c<s;c++)t=B[k++],t=new THREE.Color(D[t]),x.vertexColors.push(t);d.faces.push(x)}})(e);(function(){var b,c,e,l;if(a.skinWeights)for(b=0,c=a.skinWeights.length;b<c;b+=2)e=a.skinWeights[b],l=a.skinWeights[b+1],d.skinWeights.push(new THREE.Vector4(e,l,0,0));if(a.skinIndices)for(b=0,c=a.skinIndices.length;b<c;b+=2)e=a.skinIndices[b],l=a.skinIndices[b+1],d.skinIndices.push(new THREE.Vector4(e,
-l,0,0));d.bones=a.bones;d.animation=a.animation})();(function(b){if(void 0!==a.morphTargets){var c,e,l,k,q,s;c=0;for(e=a.morphTargets.length;c<e;c++)for(d.morphTargets[c]={},d.morphTargets[c].name=a.morphTargets[c].name,d.morphTargets[c].vertices=[],q=d.morphTargets[c].vertices,s=a.morphTargets[c].vertices,l=0,k=s.length;l<k;l+=3){var t=new THREE.Vector3;t.x=s[l]*b;t.y=s[l+1]*b;t.z=s[l+2]*b;q.push(t)}}if(void 0!==a.morphColors)for(c=0,e=a.morphColors.length;c<e;c++)for(d.morphColors[c]={},d.morphColors[c].name=
-a.morphColors[c].name,d.morphColors[c].colors=[],k=d.morphColors[c].colors,q=a.morphColors[c].colors,b=0,l=q.length;b<l;b+=3)s=new THREE.Color(16755200),s.setRGB(q[b],q[b+1],q[b+2]),k.push(s)})(e);d.computeCentroids();d.computeFaceNormals();c=this.initMaterials(a.materials,c);this.needsTangents(c)&&d.computeTangents();b(d,c)};
-THREE.LoadingMonitor=function(){THREE.EventTarget.call(this);var a=this,b=0,c=0,d=function(d){b++;a.dispatchEvent({type:"progress",loaded:b,total:c});b===c&&a.dispatchEvent({type:"load"})};this.add=function(a){c++;a.addEventListener("load",d,!1)}};
-THREE.SceneLoader=function(){this.onLoadStart=function(){};this.onLoadProgress=function(){};this.onLoadComplete=function(){};this.callbackSync=function(){};this.callbackProgress=function(){};this.geometryHandlerMap={};this.hierarchyHandlerMap={};this.addGeometryHandler("ascii",THREE.JSONLoader);this.addGeometryHandler("binary",THREE.BinaryLoader)};THREE.SceneLoader.prototype.constructor=THREE.SceneLoader;
-THREE.SceneLoader.prototype.load=function(a,b){var c=this,d=new XMLHttpRequest;d.onreadystatechange=function(){if(4===d.readyState)if(200===d.status||0===d.status){var e=JSON.parse(d.responseText);c.parse(e,b,a)}else console.error("THREE.SceneLoader: Couldn't load ["+a+"] ["+d.status+"]")};d.open("GET",a,!0);d.send(null)};THREE.SceneLoader.prototype.addGeometryHandler=function(a,b){this.geometryHandlerMap[a]={loaderClass:b}};
-THREE.SceneLoader.prototype.addHierarchyHandler=function(a,b){this.hierarchyHandlerMap[a]={loaderClass:b}};
-THREE.SceneLoader.prototype.parse=function(a,b,c){function d(a,b){return"relativeToHTML"==b?a:t+"/"+a}function e(){f(S.scene,N.objects)}function f(a,b){for(var c in b)if(void 0===S.objects[c]){var e=b[c],g=null;if(e.type&&e.type in s.hierarchyHandlerMap&&void 0===e.loading){var h={},k;for(k in y)"type"!==k&&"url"!==k&&(h[k]=y[k]);L=S.materials[e.material];e.loading=!0;var q=s.hierarchyHandlerMap[e.type].loaderObject;q.addEventListener?(q.addEventListener("load",l(c,a,L,e)),q.load(d(e.url,N.urlBaseType))):
-q.options?q.load(d(e.url,N.urlBaseType),l(c,a,L,e)):q.load(d(e.url,N.urlBaseType),l(c,a,L,e),h)}else if(void 0!==e.geometry){if(K=S.geometries[e.geometry]){g=!1;L=S.materials[e.material];g=L instanceof THREE.ShaderMaterial;B=e.position;z=e.rotation;D=e.quaternion;I=e.scale;A=e.matrix;D=0;e.material||(L=new THREE.MeshFaceMaterial(S.face_materials[e.geometry]));L instanceof THREE.MeshFaceMaterial&&0===L.materials.length&&(L=new THREE.MeshFaceMaterial(S.face_materials[e.geometry]));if(L instanceof THREE.MeshFaceMaterial)for(h=
-0;h<L.materials.length;h++)g=g||L.materials[h]instanceof THREE.ShaderMaterial;g&&K.computeTangents();e.skin?g=new THREE.SkinnedMesh(K,L):e.morph?(g=new THREE.MorphAnimMesh(K,L),void 0!==e.duration&&(g.duration=e.duration),void 0!==e.time&&(g.time=e.time),void 0!==e.mirroredLoop&&(g.mirroredLoop=e.mirroredLoop),L.morphNormals&&K.computeMorphNormals()):g=new THREE.Mesh(K,L);g.name=c;A?(g.matrixAutoUpdate=!1,g.matrix.set(A[0],A[1],A[2],A[3],A[4],A[5],A[6],A[7],A[8],A[9],A[10],A[11],A[12],A[13],A[14],
-A[15])):(g.position.set(B[0],B[1],B[2]),D?(g.quaternion.set(D[0],D[1],D[2],D[3]),g.useQuaternion=!0):g.rotation.set(z[0],z[1],z[2]),g.scale.set(I[0],I[1],I[2]));g.visible=e.visible;g.castShadow=e.castShadow;g.receiveShadow=e.receiveShadow;a.add(g);S.objects[c]=g}}else"DirectionalLight"===e.type||"PointLight"===e.type||"AmbientLight"===e.type?(O=void 0!==e.color?e.color:16777215,W=void 0!==e.intensity?e.intensity:1,"DirectionalLight"===e.type?(B=e.direction,m=new THREE.DirectionalLight(O,W),m.position.set(B[0],
-B[1],B[2]),e.target&&(Da.push({object:m,targetName:e.target}),m.target=null)):"PointLight"===e.type?(B=e.position,C=e.distance,m=new THREE.PointLight(O,W,C),m.position.set(B[0],B[1],B[2])):"AmbientLight"===e.type&&(m=new THREE.AmbientLight(O)),a.add(m),m.name=c,S.lights[c]=m,S.objects[c]=m):"PerspectiveCamera"===e.type||"OrthographicCamera"===e.type?("PerspectiveCamera"===e.type?H=new THREE.PerspectiveCamera(e.fov,e.aspect,e.near,e.far):"OrthographicCamera"===e.type&&(H=new THREE.OrthographicCamera(J.left,
-J.right,J.top,J.bottom,J.near,J.far)),B=e.position,H.position.set(B[0],B[1],B[2]),a.add(H),H.name=c,S.cameras[c]=H,S.objects[c]=H):(B=e.position,z=e.rotation,D=e.quaternion,I=e.scale,D=0,g=new THREE.Object3D,g.name=c,g.position.set(B[0],B[1],B[2]),D?(g.quaternion.set(D[0],D[1],D[2],D[3]),g.useQuaternion=!0):g.rotation.set(z[0],z[1],z[2]),g.scale.set(I[0],I[1],I[2]),g.visible=void 0!==e.visible?e.visible:!1,a.add(g),S.objects[c]=g,S.empties[c]=g);if(g){if(void 0!==e.properties)for(var t in e.properties)g.properties[t]=
-e.properties[t];void 0!==e.children&&f(g,e.children)}}}function g(a,b,c,d,f){var g=f.position,h=f.rotation,l=f.quaternion;f=f.scale;a.position.set(g[0],g[1],g[2]);l?(a.quaternion.set(l[0],l[1],l[2],l[3]),a.useQuaternion=!0):a.rotation.set(h[0],h[1],h[2]);a.scale.set(f[0],f[1],f[2]);d&&a.traverse(function(a){a.material=d});c.add(a);S.objects[b]=a;e()}function h(a){return function(b,c){S.geometries[a]=b;S.face_materials[a]=c;e();P-=1;s.onLoadComplete();q()}}function l(a,b,c,d){return function(e){g(e.content?
-e.content:e.dae?e.scene:e,a,b,c,d);P-=1;s.onLoadComplete();q()}}function k(a){return function(b,c){S.geometries[a]=b;S.face_materials[a]=c}}function q(){s.callbackProgress({totalModels:ca,totalTextures:oa,loadedModels:ca-P,loadedTextures:oa-ha},S);s.onLoadProgress();if(0===P&&0===ha){for(var a=0;a<Da.length;a++){var c=Da[a],d=S.objects[c.targetName];d?c.object.target=d:(c.object.target=new THREE.Object3D,S.scene.add(c.object.target));c.object.target.properties.targetInverse=c.object}b(S)}}var s=this,
-t=THREE.Loader.prototype.extractUrlBase(c),v,u,w,x,y,A,C,B,z,D,I,J,F,K,L,H,T,R,m,O,W,P,ha,ca,oa,S,Da=[],N=a,da;for(da in this.geometryHandlerMap)a=this.geometryHandlerMap[da].loaderClass,this.geometryHandlerMap[da].loaderObject=new a;for(da in this.hierarchyHandlerMap)a=this.hierarchyHandlerMap[da].loaderClass,this.hierarchyHandlerMap[da].loaderObject=new a;ha=P=0;S={scene:new THREE.Scene,geometries:{},face_materials:{},materials:{},textures:{},objects:{},cameras:{},lights:{},fogs:{},empties:{}};
-N.transform&&(da=N.transform.position,a=N.transform.rotation,c=N.transform.scale,da&&S.scene.position.set(da[0],da[1],da[2]),a&&S.scene.rotation.set(a[0],a[1],a[2]),c&&S.scene.scale.set(c[0],c[1],c[2]),da||a||c)&&(S.scene.updateMatrix(),S.scene.updateMatrixWorld());da=function(a){return function(){ha-=a;q();s.onLoadComplete()}};for(w in N.fogs)a=N.fogs[w],"linear"===a.type?T=new THREE.Fog(0,a.near,a.far):"exp2"===a.type&&(T=new THREE.FogExp2(0,a.density)),J=a.color,T.color.setRGB(J[0],J[1],J[2]),
-S.fogs[w]=T;for(v in N.geometries)y=N.geometries[v],y.type in this.geometryHandlerMap&&(P+=1,s.onLoadStart());for(var Q in N.objects)w=N.objects[Q],w.type&&w.type in this.hierarchyHandlerMap&&(P+=1,s.onLoadStart());ca=P;for(v in N.geometries)if(y=N.geometries[v],"cube"===y.type)K=new THREE.CubeGeometry(y.width,y.height,y.depth,y.widthSegments,y.heightSegments,y.depthSegments),S.geometries[v]=K;else if("plane"===y.type)K=new THREE.PlaneGeometry(y.width,y.height,y.widthSegments,y.heightSegments),S.geometries[v]=
-K;else if("sphere"===y.type)K=new THREE.SphereGeometry(y.radius,y.widthSegments,y.heightSegments),S.geometries[v]=K;else if("cylinder"===y.type)K=new THREE.CylinderGeometry(y.topRad,y.botRad,y.height,y.radSegs,y.heightSegs),S.geometries[v]=K;else if("torus"===y.type)K=new THREE.TorusGeometry(y.radius,y.tube,y.segmentsR,y.segmentsT),S.geometries[v]=K;else if("icosahedron"===y.type)K=new THREE.IcosahedronGeometry(y.radius,y.subdivisions),S.geometries[v]=K;else if(y.type in this.geometryHandlerMap){Q=
-{};for(R in y)"type"!==R&&"url"!==R&&(Q[R]=y[R]);this.geometryHandlerMap[y.type].loaderObject.load(d(y.url,N.urlBaseType),h(v),Q)}else"embedded"===y.type&&(Q=N.embeds[y.id],Q.metadata=N.metadata,Q&&this.geometryHandlerMap.ascii.loaderObject.createModel(Q,k(v),""));for(x in N.textures)if(v=N.textures[x],v.url instanceof Array)for(ha+=v.url.length,R=0;R<v.url.length;R++)s.onLoadStart();else ha+=1,s.onLoadStart();oa=ha;for(x in N.textures){v=N.textures[x];void 0!==v.mapping&&void 0!==THREE[v.mapping]&&
-(v.mapping=new THREE[v.mapping]);if(v.url instanceof Array){Q=v.url.length;w=[];for(R=0;R<Q;R++)w[R]=d(v.url[R],N.urlBaseType);R=(R=w[0].endsWith(".dds"))?THREE.ImageUtils.loadCompressedTextureCube(w,v.mapping,da(Q)):THREE.ImageUtils.loadTextureCube(w,v.mapping,da(Q))}else R=v.url.toLowerCase().endsWith(".dds"),Q=d(v.url,N.urlBaseType),w=da(1),R=R?THREE.ImageUtils.loadCompressedTexture(Q,v.mapping,w):THREE.ImageUtils.loadTexture(Q,v.mapping,w),void 0!==THREE[v.minFilter]&&(R.minFilter=THREE[v.minFilter]),
-void 0!==THREE[v.magFilter]&&(R.magFilter=THREE[v.magFilter]),v.anisotropy&&(R.anisotropy=v.anisotropy),v.repeat&&(R.repeat.set(v.repeat[0],v.repeat[1]),1!==v.repeat[0]&&(R.wrapS=THREE.RepeatWrapping),1!==v.repeat[1]&&(R.wrapT=THREE.RepeatWrapping)),v.offset&&R.offset.set(v.offset[0],v.offset[1]),v.wrap&&(Q={repeat:THREE.RepeatWrapping,mirror:THREE.MirroredRepeatWrapping},void 0!==Q[v.wrap[0]]&&(R.wrapS=Q[v.wrap[0]]),void 0!==Q[v.wrap[1]]&&(R.wrapT=Q[v.wrap[1]]));S.textures[x]=R}for(u in N.materials){A=
-N.materials[u];for(F in A.parameters)"envMap"===F||"map"===F||"lightMap"===F||"bumpMap"===F?A.parameters[F]=S.textures[A.parameters[F]]:"shading"===F?A.parameters[F]="flat"===A.parameters[F]?THREE.FlatShading:THREE.SmoothShading:"side"===F?A.parameters[F]="double"==A.parameters[F]?THREE.DoubleSide:"back"==A.parameters[F]?THREE.BackSide:THREE.FrontSide:"blending"===F?A.parameters[F]=A.parameters[F]in THREE?THREE[A.parameters[F]]:THREE.NormalBlending:"combine"===F?A.parameters[F]="MixOperation"==A.parameters[F]?
-THREE.MixOperation:THREE.MultiplyOperation:"vertexColors"===F?"face"==A.parameters[F]?A.parameters[F]=THREE.FaceColors:A.parameters[F]&&(A.parameters[F]=THREE.VertexColors):"wrapRGB"===F&&(x=A.parameters[F],A.parameters[F]=new THREE.Vector3(x[0],x[1],x[2]));void 0!==A.parameters.opacity&&1>A.parameters.opacity&&(A.parameters.transparent=!0);A.parameters.normalMap?(x=THREE.ShaderUtils.lib.normal,da=THREE.UniformsUtils.clone(x.uniforms),v=A.parameters.color,R=A.parameters.specular,Q=A.parameters.ambient,
-w=A.parameters.shininess,da.tNormal.value=S.textures[A.parameters.normalMap],A.parameters.normalScale&&da.uNormalScale.value.set(A.parameters.normalScale[0],A.parameters.normalScale[1]),A.parameters.map&&(da.tDiffuse.value=A.parameters.map,da.enableDiffuse.value=!0),A.parameters.envMap&&(da.tCube.value=A.parameters.envMap,da.enableReflection.value=!0,da.uReflectivity.value=A.parameters.reflectivity),A.parameters.lightMap&&(da.tAO.value=A.parameters.lightMap,da.enableAO.value=!0),A.parameters.specularMap&&
-(da.tSpecular.value=S.textures[A.parameters.specularMap],da.enableSpecular.value=!0),A.parameters.displacementMap&&(da.tDisplacement.value=S.textures[A.parameters.displacementMap],da.enableDisplacement.value=!0,da.uDisplacementBias.value=A.parameters.displacementBias,da.uDisplacementScale.value=A.parameters.displacementScale),da.uDiffuseColor.value.setHex(v),da.uSpecularColor.value.setHex(R),da.uAmbientColor.value.setHex(Q),da.uShininess.value=w,A.parameters.opacity&&(da.uOpacity.value=A.parameters.opacity),
-L=new THREE.ShaderMaterial({fragmentShader:x.fragmentShader,vertexShader:x.vertexShader,uniforms:da,lights:!0,fog:!0})):L=new THREE[A.type](A.parameters);S.materials[u]=L}for(u in N.materials)if(A=N.materials[u],A.parameters.materials){F=[];for(R=0;R<A.parameters.materials.length;R++)F.push(S.materials[A.parameters.materials[R]]);S.materials[u].materials=F}e();S.cameras&&N.defaults.camera&&(S.currentCamera=S.cameras[N.defaults.camera]);S.fogs&&N.defaults.fog&&(S.scene.fog=S.fogs[N.defaults.fog]);
-J=N.defaults.bgcolor;S.bgColor=new THREE.Color;S.bgColor.setRGB(J[0],J[1],J[2]);S.bgColorAlpha=N.defaults.bgalpha;s.callbackSync(S);q()};THREE.TextureLoader=function(){THREE.EventTarget.call(this);this.crossOrigin=null};
-THREE.TextureLoader.prototype={constructor:THREE.TextureLoader,load:function(a){var b=this,c=new Image;c.addEventListener("load",function(){var a=new THREE.Texture(c);a.needsUpdate=!0;b.dispatchEvent({type:"load",content:a})},!1);c.addEventListener("error",function(){b.dispatchEvent({type:"error",message:"Couldn't load URL ["+a+"]"})},!1);b.crossOrigin&&(c.crossOrigin=b.crossOrigin);c.src=a}};
-THREE.Material=function(){THREE.MaterialLibrary.push(this);this.id=THREE.MaterialIdCount++;this.name="";this.side=THREE.FrontSide;this.opacity=1;this.transparent=!1;this.blending=THREE.NormalBlending;this.blendSrc=THREE.SrcAlphaFactor;this.blendDst=THREE.OneMinusSrcAlphaFactor;this.blendEquation=THREE.AddEquation;this.depthWrite=this.depthTest=!0;this.polygonOffset=!1;this.alphaTest=this.polygonOffsetUnits=this.polygonOffsetFactor=0;this.overdraw=!1;this.needsUpdate=this.visible=!0};
-THREE.Material.prototype.setValues=function(a){if(void 0!==a)for(var b in a){var c=a[b];if(void 0===c)console.warn("THREE.Material: '"+b+"' parameter is undefined.");else if(b in this){var d=this[b];d instanceof THREE.Color&&c instanceof THREE.Color?d.copy(c):d instanceof THREE.Color&&"number"===typeof c?d.setHex(c):d instanceof THREE.Vector3&&c instanceof THREE.Vector3?d.copy(c):this[b]=c}}};
-THREE.Material.prototype.clone=function(a){void 0===a&&(a=new THREE.Material);a.name=this.name;a.side=this.side;a.opacity=this.opacity;a.transparent=this.transparent;a.blending=this.blending;a.blendSrc=this.blendSrc;a.blendDst=this.blendDst;a.blendEquation=this.blendEquation;a.depthTest=this.depthTest;a.depthWrite=this.depthWrite;a.polygonOffset=this.polygonOffset;a.polygonOffsetFactor=this.polygonOffsetFactor;a.polygonOffsetUnits=this.polygonOffsetUnits;a.alphaTest=this.alphaTest;a.overdraw=this.overdraw;
-a.visible=this.visible;return a};THREE.Material.prototype.deallocate=function(){var a=THREE.MaterialLibrary.indexOf(this);-1!==a&&THREE.MaterialLibrary.splice(a,1)};THREE.MaterialIdCount=0;THREE.MaterialLibrary=[];THREE.LineBasicMaterial=function(a){THREE.Material.call(this);this.color=new THREE.Color(16777215);this.linewidth=1;this.linejoin=this.linecap="round";this.vertexColors=!1;this.fog=!0;this.setValues(a)};THREE.LineBasicMaterial.prototype=Object.create(THREE.Material.prototype);
-THREE.LineBasicMaterial.prototype.clone=function(){var a=new THREE.LineBasicMaterial;THREE.Material.prototype.clone.call(this,a);a.color.copy(this.color);a.linewidth=this.linewidth;a.linecap=this.linecap;a.linejoin=this.linejoin;a.vertexColors=this.vertexColors;a.fog=this.fog;return a};THREE.LineDashedMaterial=function(a){THREE.Material.call(this);this.color=new THREE.Color(16777215);this.scale=this.linewidth=1;this.dashSize=3;this.gapSize=1;this.vertexColors=!1;this.fog=!0;this.setValues(a)};
-THREE.LineDashedMaterial.prototype=Object.create(THREE.Material.prototype);THREE.LineDashedMaterial.prototype.clone=function(){var a=new THREE.LineDashedMaterial;THREE.Material.prototype.clone.call(this,a);a.color.copy(this.color);a.linewidth=this.linewidth;a.scale=this.scale;a.dashSize=this.dashSize;a.gapSize=this.gapSize;a.vertexColors=this.vertexColors;a.fog=this.fog;return a};
-THREE.MeshBasicMaterial=function(a){THREE.Material.call(this);this.color=new THREE.Color(16777215);this.envMap=this.specularMap=this.lightMap=this.map=null;this.combine=THREE.MultiplyOperation;this.reflectivity=1;this.refractionRatio=0.98;this.fog=!0;this.shading=THREE.SmoothShading;this.wireframe=!1;this.wireframeLinewidth=1;this.wireframeLinejoin=this.wireframeLinecap="round";this.vertexColors=THREE.NoColors;this.morphTargets=this.skinning=!1;this.setValues(a)};
-THREE.MeshBasicMaterial.prototype=Object.create(THREE.Material.prototype);
-THREE.MeshBasicMaterial.prototype.clone=function(){var a=new THREE.MeshBasicMaterial;THREE.Material.prototype.clone.call(this,a);a.color.copy(this.color);a.map=this.map;a.lightMap=this.lightMap;a.specularMap=this.specularMap;a.envMap=this.envMap;a.combine=this.combine;a.reflectivity=this.reflectivity;a.refractionRatio=this.refractionRatio;a.fog=this.fog;a.shading=this.shading;a.wireframe=this.wireframe;a.wireframeLinewidth=this.wireframeLinewidth;a.wireframeLinecap=this.wireframeLinecap;a.wireframeLinejoin=
-this.wireframeLinejoin;a.vertexColors=this.vertexColors;a.skinning=this.skinning;a.morphTargets=this.morphTargets;return a};
-THREE.MeshLambertMaterial=function(a){THREE.Material.call(this);this.color=new THREE.Color(16777215);this.ambient=new THREE.Color(16777215);this.emissive=new THREE.Color(0);this.wrapAround=!1;this.wrapRGB=new THREE.Vector3(1,1,1);this.envMap=this.specularMap=this.lightMap=this.map=null;this.combine=THREE.MultiplyOperation;this.reflectivity=1;this.refractionRatio=0.98;this.fog=!0;this.shading=THREE.SmoothShading;this.wireframe=!1;this.wireframeLinewidth=1;this.wireframeLinejoin=this.wireframeLinecap=
-"round";this.vertexColors=THREE.NoColors;this.morphNormals=this.morphTargets=this.skinning=!1;this.setValues(a)};THREE.MeshLambertMaterial.prototype=Object.create(THREE.Material.prototype);
-THREE.MeshLambertMaterial.prototype.clone=function(){var a=new THREE.MeshLambertMaterial;THREE.Material.prototype.clone.call(this,a);a.color.copy(this.color);a.ambient.copy(this.ambient);a.emissive.copy(this.emissive);a.wrapAround=this.wrapAround;a.wrapRGB.copy(this.wrapRGB);a.map=this.map;a.lightMap=this.lightMap;a.specularMap=this.specularMap;a.envMap=this.envMap;a.combine=this.combine;a.reflectivity=this.reflectivity;a.refractionRatio=this.refractionRatio;a.fog=this.fog;a.shading=this.shading;
-a.wireframe=this.wireframe;a.wireframeLinewidth=this.wireframeLinewidth;a.wireframeLinecap=this.wireframeLinecap;a.wireframeLinejoin=this.wireframeLinejoin;a.vertexColors=this.vertexColors;a.skinning=this.skinning;a.morphTargets=this.morphTargets;a.morphNormals=this.morphNormals;return a};
-THREE.MeshPhongMaterial=function(a){THREE.Material.call(this);this.color=new THREE.Color(16777215);this.ambient=new THREE.Color(16777215);this.emissive=new THREE.Color(0);this.specular=new THREE.Color(1118481);this.shininess=30;this.metal=!1;this.perPixel=!0;this.wrapAround=!1;this.wrapRGB=new THREE.Vector3(1,1,1);this.bumpMap=this.lightMap=this.map=null;this.bumpScale=1;this.normalMap=null;this.normalScale=new THREE.Vector2(1,1);this.envMap=this.specularMap=null;this.combine=THREE.MultiplyOperation;
-this.reflectivity=1;this.refractionRatio=0.98;this.fog=!0;this.shading=THREE.SmoothShading;this.wireframe=!1;this.wireframeLinewidth=1;this.wireframeLinejoin=this.wireframeLinecap="round";this.vertexColors=THREE.NoColors;this.morphNormals=this.morphTargets=this.skinning=!1;this.setValues(a)};THREE.MeshPhongMaterial.prototype=Object.create(THREE.Material.prototype);
-THREE.MeshPhongMaterial.prototype.clone=function(){var a=new THREE.MeshPhongMaterial;THREE.Material.prototype.clone.call(this,a);a.color.copy(this.color);a.ambient.copy(this.ambient);a.emissive.copy(this.emissive);a.specular.copy(this.specular);a.shininess=this.shininess;a.metal=this.metal;a.perPixel=this.perPixel;a.wrapAround=this.wrapAround;a.wrapRGB.copy(this.wrapRGB);a.map=this.map;a.lightMap=this.lightMap;a.bumpMap=this.bumpMap;a.bumpScale=this.bumpScale;a.normalMap=this.normalMap;a.normalScale.copy(this.normalScale);
-a.specularMap=this.specularMap;a.envMap=this.envMap;a.combine=this.combine;a.reflectivity=this.reflectivity;a.refractionRatio=this.refractionRatio;a.fog=this.fog;a.shading=this.shading;a.wireframe=this.wireframe;a.wireframeLinewidth=this.wireframeLinewidth;a.wireframeLinecap=this.wireframeLinecap;a.wireframeLinejoin=this.wireframeLinejoin;a.vertexColors=this.vertexColors;a.skinning=this.skinning;a.morphTargets=this.morphTargets;a.morphNormals=this.morphNormals;return a};
-THREE.MeshDepthMaterial=function(a){THREE.Material.call(this);this.wireframe=!1;this.wireframeLinewidth=1;this.setValues(a)};THREE.MeshDepthMaterial.prototype=Object.create(THREE.Material.prototype);THREE.MeshDepthMaterial.prototype.clone=function(){var a=new THREE.LineBasicMaterial;THREE.Material.prototype.clone.call(this,a);a.wireframe=this.wireframe;a.wireframeLinewidth=this.wireframeLinewidth;return a};
-THREE.MeshNormalMaterial=function(a){THREE.Material.call(this,a);this.shading=THREE.FlatShading;this.wireframe=!1;this.wireframeLinewidth=1;this.setValues(a)};THREE.MeshNormalMaterial.prototype=Object.create(THREE.Material.prototype);THREE.MeshNormalMaterial.prototype.clone=function(){var a=new THREE.MeshNormalMaterial;THREE.Material.prototype.clone.call(this,a);a.shading=this.shading;a.wireframe=this.wireframe;a.wireframeLinewidth=this.wireframeLinewidth;return a};
-THREE.MeshFaceMaterial=function(a){this.materials=a instanceof Array?a:[]};THREE.MeshFaceMaterial.prototype.clone=function(){return new THREE.MeshFaceMaterial(this.materials.slice(0))};THREE.ParticleBasicMaterial=function(a){THREE.Material.call(this);this.color=new THREE.Color(16777215);this.map=null;this.size=1;this.sizeAttenuation=!0;this.vertexColors=!1;this.fog=!0;this.setValues(a)};THREE.ParticleBasicMaterial.prototype=Object.create(THREE.Material.prototype);
-THREE.ParticleBasicMaterial.prototype.clone=function(){var a=new THREE.ParticleBasicMaterial;THREE.Material.prototype.clone.call(this,a);a.color.copy(this.color);a.map=this.map;a.size=this.size;a.sizeAttenuation=this.sizeAttenuation;a.vertexColors=this.vertexColors;a.fog=this.fog;return a};THREE.ParticleCanvasMaterial=function(a){THREE.Material.call(this);this.color=new THREE.Color(16777215);this.program=function(a,c){};this.setValues(a)};THREE.ParticleCanvasMaterial.prototype=Object.create(THREE.Material.prototype);
-THREE.ParticleCanvasMaterial.prototype.clone=function(){var a=new THREE.ParticleCanvasMaterial;THREE.Material.prototype.clone.call(this,a);a.color.copy(this.color);a.program=this.program;return a};THREE.ParticleDOMMaterial=function(a){this.element=a};THREE.ParticleDOMMaterial.prototype.clone=function(){return new THREE.ParticleDOMMaterial(this.element)};
-THREE.ShaderMaterial=function(a){THREE.Material.call(this);this.vertexShader=this.fragmentShader="void main() {}";this.uniforms={};this.defines={};this.attributes=null;this.shading=THREE.SmoothShading;this.wireframe=!1;this.wireframeLinewidth=1;this.lights=this.fog=!1;this.vertexColors=THREE.NoColors;this.morphNormals=this.morphTargets=this.skinning=!1;this.setValues(a)};THREE.ShaderMaterial.prototype=Object.create(THREE.Material.prototype);
-THREE.ShaderMaterial.prototype.clone=function(){var a=new THREE.ShaderMaterial;THREE.Material.prototype.clone.call(this,a);a.fragmentShader=this.fragmentShader;a.vertexShader=this.vertexShader;a.uniforms=THREE.UniformsUtils.clone(this.uniforms);a.attributes=this.attributes;a.defines=this.defines;a.shading=this.shading;a.wireframe=this.wireframe;a.wireframeLinewidth=this.wireframeLinewidth;a.fog=this.fog;a.lights=this.lights;a.vertexColors=this.vertexColors;a.skinning=this.skinning;a.morphTargets=
-this.morphTargets;a.morphNormals=this.morphNormals;return a};
-THREE.Texture=function(a,b,c,d,e,f,g,h,l){THREE.TextureLibrary.push(this);this.id=THREE.TextureIdCount++;this.name="";this.image=a;this.mapping=void 0!==b?b:new THREE.UVMapping;this.wrapS=void 0!==c?c:THREE.ClampToEdgeWrapping;this.wrapT=void 0!==d?d:THREE.ClampToEdgeWrapping;this.magFilter=void 0!==e?e:THREE.LinearFilter;this.minFilter=void 0!==f?f:THREE.LinearMipMapLinearFilter;this.anisotropy=void 0!==l?l:1;this.format=void 0!==g?g:THREE.RGBAFormat;this.type=void 0!==h?h:THREE.UnsignedByteType;
-this.offset=new THREE.Vector2(0,0);this.repeat=new THREE.Vector2(1,1);this.generateMipmaps=!0;this.premultiplyAlpha=!1;this.flipY=!0;this.needsUpdate=!1;this.onUpdate=null};
-THREE.Texture.prototype={constructor:THREE.Texture,clone:function(){var a=new THREE.Texture;a.image=this.image;a.mapping=this.mapping;a.wrapS=this.wrapS;a.wrapT=this.wrapT;a.magFilter=this.magFilter;a.minFilter=this.minFilter;a.anisotropy=this.anisotropy;a.format=this.format;a.type=this.type;a.offset.copy(this.offset);a.repeat.copy(this.repeat);a.generateMipmaps=this.generateMipmaps;a.premultiplyAlpha=this.premultiplyAlpha;a.flipY=this.flipY;return a},deallocate:function(){var a=THREE.TextureLibrary.indexOf(this);
--1!==a&&THREE.TextureLibrary.splice(a,1)}};THREE.TextureIdCount=0;THREE.TextureLibrary=[];THREE.CompressedTexture=function(a,b,c,d,e,f,g,h,l,k){THREE.Texture.call(this,null,f,g,h,l,k,d,e);this.image={width:b,height:c};this.mipmaps=a};THREE.CompressedTexture.prototype=Object.create(THREE.Texture.prototype);
-THREE.CompressedTexture.prototype.clone=function(){var a=new THREE.CompressedTexture;a.image=this.image;a.mipmaps=this.mipmaps;a.format=this.format;a.type=this.type;a.mapping=this.mapping;a.wrapS=this.wrapS;a.wrapT=this.wrapT;a.magFilter=this.magFilter;a.minFilter=this.minFilter;a.anisotropy=this.anisotropy;a.offset.copy(this.offset);a.repeat.copy(this.repeat);return a};THREE.DataTexture=function(a,b,c,d,e,f,g,h,l,k){THREE.Texture.call(this,null,f,g,h,l,k,d,e);this.image={data:a,width:b,height:c}};
-THREE.DataTexture.prototype=Object.create(THREE.Texture.prototype);THREE.DataTexture.prototype.clone=function(){var a=new THREE.DataTexture(this.image.data,this.image.width,this.image.height,this.format,this.type,this.mapping,this.wrapS,this.wrapT,this.magFilter,this.minFilter);a.offset.copy(this.offset);a.repeat.copy(this.repeat);return a};THREE.Particle=function(a){THREE.Object3D.call(this);this.material=a};THREE.Particle.prototype=Object.create(THREE.Object3D.prototype);
-THREE.Particle.prototype.clone=function(a){void 0===a&&(a=new THREE.Particle(this.material));THREE.Object3D.prototype.clone.call(this,a);return a};THREE.ParticleSystem=function(a,b){THREE.Object3D.call(this);this.geometry=a;this.material=void 0!==b?b:new THREE.ParticleBasicMaterial({color:16777215*Math.random()});this.sortParticles=!1;this.geometry&&(null===this.geometry.boundingSphere&&this.geometry.computeBoundingSphere(),this.boundRadius=a.boundingSphere.radius);this.frustumCulled=!1};
-THREE.ParticleSystem.prototype=Object.create(THREE.Object3D.prototype);THREE.ParticleSystem.prototype.clone=function(a){void 0===a&&(a=new THREE.ParticleSystem(this.geometry,this.material));a.sortParticles=this.sortParticles;THREE.Object3D.prototype.clone.call(this,a);return a};
-THREE.Line=function(a,b,c){THREE.Object3D.call(this);this.geometry=a;this.material=void 0!==b?b:new THREE.LineBasicMaterial({color:16777215*Math.random()});this.type=void 0!==c?c:THREE.LineStrip;this.geometry&&(this.geometry.boundingSphere||this.geometry.computeBoundingSphere())};THREE.LineStrip=0;THREE.LinePieces=1;THREE.Line.prototype=Object.create(THREE.Object3D.prototype);
-THREE.Line.prototype.clone=function(a){void 0===a&&(a=new THREE.Line(this.geometry,this.material,this.type));THREE.Object3D.prototype.clone.call(this,a);return a};
-THREE.Mesh=function(a,b){THREE.Object3D.call(this);this.geometry=a;this.material=void 0!==b?b:new THREE.MeshBasicMaterial({color:16777215*Math.random(),wireframe:!0});if(this.geometry&&(null===this.geometry.boundingSphere&&this.geometry.computeBoundingSphere(),this.boundRadius=a.boundingSphere.radius,this.geometry.morphTargets.length)){this.morphTargetBase=-1;this.morphTargetForcedOrder=[];this.morphTargetInfluences=[];this.morphTargetDictionary={};for(var c=0;c<this.geometry.morphTargets.length;c++)this.morphTargetInfluences.push(0),
-this.morphTargetDictionary[this.geometry.morphTargets[c].name]=c}};THREE.Mesh.prototype=Object.create(THREE.Object3D.prototype);THREE.Mesh.prototype.getMorphTargetIndexByName=function(a){if(void 0!==this.morphTargetDictionary[a])return this.morphTargetDictionary[a];console.log("THREE.Mesh.getMorphTargetIndexByName: morph target "+a+" does not exist. Returning 0.");return 0};
-THREE.Mesh.prototype.clone=function(a){void 0===a&&(a=new THREE.Mesh(this.geometry,this.material));THREE.Object3D.prototype.clone.call(this,a);return a};THREE.Bone=function(a){THREE.Object3D.call(this);this.skin=a;this.skinMatrix=new THREE.Matrix4};THREE.Bone.prototype=Object.create(THREE.Object3D.prototype);
-THREE.Bone.prototype.update=function(a,b){this.matrixAutoUpdate&&(b|=this.updateMatrix());if(b||this.matrixWorldNeedsUpdate)a?this.skinMatrix.multiply(a,this.matrix):this.skinMatrix.copy(this.matrix),this.matrixWorldNeedsUpdate=!1,b=!0;var c,d=this.children.length;for(c=0;c<d;c++)this.children[c].update(this.skinMatrix,b)};
-THREE.SkinnedMesh=function(a,b,c){THREE.Mesh.call(this,a,b);this.useVertexTexture=void 0!==c?c:!0;this.identityMatrix=new THREE.Matrix4;this.bones=[];this.boneMatrices=[];var d,e,f;if(this.geometry&&void 0!==this.geometry.bones){for(a=0;a<this.geometry.bones.length;a++)c=this.geometry.bones[a],d=c.pos,e=c.rotq,f=c.scl,b=this.addBone(),b.name=c.name,b.position.set(d[0],d[1],d[2]),b.quaternion.set(e[0],e[1],e[2],e[3]),b.useQuaternion=!0,void 0!==f?b.scale.set(f[0],f[1],f[2]):b.scale.set(1,1,1);for(a=
-0;a<this.bones.length;a++)c=this.geometry.bones[a],b=this.bones[a],-1===c.parent?this.add(b):this.bones[c.parent].add(b);a=this.bones.length;this.useVertexTexture?(this.boneTextureHeight=this.boneTextureWidth=a=256<a?64:64<a?32:16<a?16:8,this.boneMatrices=new Float32Array(this.boneTextureWidth*this.boneTextureHeight*4),this.boneTexture=new THREE.DataTexture(this.boneMatrices,this.boneTextureWidth,this.boneTextureHeight,THREE.RGBAFormat,THREE.FloatType),this.boneTexture.minFilter=THREE.NearestFilter,
-this.boneTexture.magFilter=THREE.NearestFilter,this.boneTexture.generateMipmaps=!1,this.boneTexture.flipY=!1):this.boneMatrices=new Float32Array(16*a);this.pose()}};THREE.SkinnedMesh.prototype=Object.create(THREE.Mesh.prototype);THREE.SkinnedMesh.prototype.addBone=function(a){void 0===a&&(a=new THREE.Bone(this));this.bones.push(a);return a};
-THREE.SkinnedMesh.prototype.updateMatrixWorld=function(a){this.matrixAutoUpdate&&this.updateMatrix();if(this.matrixWorldNeedsUpdate||a)this.parent?this.matrixWorld.multiply(this.parent.matrixWorld,this.matrix):this.matrixWorld.copy(this.matrix),this.matrixWorldNeedsUpdate=!1;a=0;for(var b=this.children.length;a<b;a++){var c=this.children[a];c instanceof THREE.Bone?c.update(this.identityMatrix,!1):c.updateMatrixWorld(!0)}if(void 0==this.boneInverses)for(this.boneInverses=[],a=0,b=this.bones.length;a<
-b;a++)c=new THREE.Matrix4,c.getInverse(this.bones[a].skinMatrix),this.boneInverses.push(c);a=0;for(b=this.bones.length;a<b;a++)THREE.SkinnedMesh.offsetMatrix.multiply(this.bones[a].skinMatrix,this.boneInverses[a]),THREE.SkinnedMesh.offsetMatrix.flattenToArrayOffset(this.boneMatrices,16*a);this.useVertexTexture&&(this.boneTexture.needsUpdate=!0)};
-THREE.SkinnedMesh.prototype.pose=function(){this.updateMatrixWorld(!0);for(var a=0;a<this.geometry.skinIndices.length;a++){var b=this.geometry.skinWeights[a],c=1/b.lengthManhattan();Infinity!==c?b.multiplyScalar(c):b.set(1)}};THREE.SkinnedMesh.prototype.clone=function(a){void 0===a&&(a=new THREE.SkinnedMesh(this.geometry,this.material,this.useVertexTexture));THREE.Mesh.prototype.clone.call(this,a);return a};THREE.SkinnedMesh.offsetMatrix=new THREE.Matrix4;
-THREE.MorphAnimMesh=function(a,b){THREE.Mesh.call(this,a,b);this.duration=1E3;this.mirroredLoop=!1;this.currentKeyframe=this.lastKeyframe=this.time=0;this.direction=1;this.directionBackwards=!1;this.setFrameRange(0,this.geometry.morphTargets.length-1)};THREE.MorphAnimMesh.prototype=Object.create(THREE.Mesh.prototype);THREE.MorphAnimMesh.prototype.setFrameRange=function(a,b){this.startKeyframe=a;this.endKeyframe=b;this.length=this.endKeyframe-this.startKeyframe+1};
-THREE.MorphAnimMesh.prototype.setDirectionForward=function(){this.direction=1;this.directionBackwards=!1};THREE.MorphAnimMesh.prototype.setDirectionBackward=function(){this.direction=-1;this.directionBackwards=!0};
-THREE.MorphAnimMesh.prototype.parseAnimations=function(){var a=this.geometry;a.animations||(a.animations={});for(var b,c=a.animations,d=/([a-z]+)(\d+)/,e=0,f=a.morphTargets.length;e<f;e++){var g=a.morphTargets[e].name.match(d);if(g&&1<g.length){g=g[1];c[g]||(c[g]={start:Infinity,end:-Infinity});var h=c[g];e<h.start&&(h.start=e);e>h.end&&(h.end=e);b||(b=g)}}a.firstAnimation=b};
-THREE.MorphAnimMesh.prototype.setAnimationLabel=function(a,b,c){this.geometry.animations||(this.geometry.animations={});this.geometry.animations[a]={start:b,end:c}};THREE.MorphAnimMesh.prototype.playAnimation=function(a,b){var c=this.geometry.animations[a];c?(this.setFrameRange(c.start,c.end),this.duration=(c.end-c.start)/b*1E3,this.time=0):console.warn("animation["+a+"] undefined")};
-THREE.MorphAnimMesh.prototype.updateAnimation=function(a){var b=this.duration/this.length;this.time+=this.direction*a;if(this.mirroredLoop){if(this.time>this.duration||0>this.time)this.direction*=-1,this.time>this.duration&&(this.time=this.duration,this.directionBackwards=!0),0>this.time&&(this.time=0,this.directionBackwards=!1)}else this.time%=this.duration,0>this.time&&(this.time+=this.duration);a=this.startKeyframe+THREE.Math.clamp(Math.floor(this.time/b),0,this.length-1);a!==this.currentKeyframe&&
-(this.morphTargetInfluences[this.lastKeyframe]=0,this.morphTargetInfluences[this.currentKeyframe]=1,this.morphTargetInfluences[a]=0,this.lastKeyframe=this.currentKeyframe,this.currentKeyframe=a);b=this.time%b/b;this.directionBackwards&&(b=1-b);this.morphTargetInfluences[this.currentKeyframe]=b;this.morphTargetInfluences[this.lastKeyframe]=1-b};
-THREE.MorphAnimMesh.prototype.clone=function(a){void 0===a&&(a=new THREE.MorphAnimMesh(this.geometry,this.material));a.duration=this.duration;a.mirroredLoop=this.mirroredLoop;a.time=this.time;a.lastKeyframe=this.lastKeyframe;a.currentKeyframe=this.currentKeyframe;a.direction=this.direction;a.directionBackwards=this.directionBackwards;THREE.Mesh.prototype.clone.call(this,a);return a};THREE.Ribbon=function(a,b){THREE.Object3D.call(this);this.geometry=a;this.material=b};THREE.Ribbon.prototype=Object.create(THREE.Object3D.prototype);
-THREE.Ribbon.prototype.clone=function(a){void 0===a&&(a=new THREE.Ribbon(this.geometry,this.material));THREE.Object3D.prototype.clone.call(this,a);return a};THREE.LOD=function(){THREE.Object3D.call(this);this.LODs=[]};THREE.LOD.prototype=Object.create(THREE.Object3D.prototype);THREE.LOD.prototype.addLevel=function(a,b){void 0===b&&(b=0);b=Math.abs(b);for(var c=0;c<this.LODs.length&&!(b<this.LODs[c].visibleAtDistance);c++);this.LODs.splice(c,0,{visibleAtDistance:b,object3D:a});this.add(a)};
-THREE.LOD.prototype.update=function(a){if(1<this.LODs.length){a.matrixWorldInverse.getInverse(a.matrixWorld);a=a.matrixWorldInverse;a=-(a.elements[2]*this.matrixWorld.elements[12]+a.elements[6]*this.matrixWorld.elements[13]+a.elements[10]*this.matrixWorld.elements[14]+a.elements[14]);this.LODs[0].object3D.visible=!0;for(var b=1;b<this.LODs.length;b++)if(a>=this.LODs[b].visibleAtDistance)this.LODs[b-1].object3D.visible=!1,this.LODs[b].object3D.visible=!0;else break;for(;b<this.LODs.length;b++)this.LODs[b].object3D.visible=
-!1}};THREE.LOD.prototype.clone=function(){};
-THREE.Sprite=function(a){THREE.Object3D.call(this);a=a||{};this.color=void 0!==a.color?new THREE.Color(a.color):new THREE.Color(16777215);this.map=void 0!==a.map?a.map:new THREE.Texture;this.blending=void 0!==a.blending?a.blending:THREE.NormalBlending;this.blendSrc=void 0!==a.blendSrc?a.blendSrc:THREE.SrcAlphaFactor;this.blendDst=void 0!==a.blendDst?a.blendDst:THREE.OneMinusSrcAlphaFactor;this.blendEquation=void 0!==a.blendEquation?a.blendEquation:THREE.AddEquation;this.useScreenCoordinates=void 0!==
-a.useScreenCoordinates?a.useScreenCoordinates:!0;this.mergeWith3D=void 0!==a.mergeWith3D?a.mergeWith3D:!this.useScreenCoordinates;this.affectedByDistance=void 0!==a.affectedByDistance?a.affectedByDistance:!this.useScreenCoordinates;this.scaleByViewport=void 0!==a.scaleByViewport?a.scaleByViewport:!this.affectedByDistance;this.alignment=a.alignment instanceof THREE.Vector2?a.alignment:THREE.SpriteAlignment.center.clone();this.fog=void 0!==a.fog?a.fog:!1;this.rotation3d=this.rotation;this.rotation=
-0;this.opacity=1;this.uvOffset=new THREE.Vector2(0,0);this.uvScale=new THREE.Vector2(1,1)};THREE.Sprite.prototype=Object.create(THREE.Object3D.prototype);THREE.Sprite.prototype.updateMatrix=function(){this.matrix.setPosition(this.position);this.rotation3d.set(0,0,this.rotation);this.matrix.setRotationFromEuler(this.rotation3d);if(1!==this.scale.x||1!==this.scale.y)this.matrix.scale(this.scale),this.boundRadiusScale=Math.max(this.scale.x,this.scale.y);this.matrixWorldNeedsUpdate=!0};
-THREE.Sprite.prototype.clone=function(a){void 0===a&&(a=new THREE.Sprite({}));a.color.copy(this.color);a.map=this.map;a.blending=this.blending;a.useScreenCoordinates=this.useScreenCoordinates;a.mergeWith3D=this.mergeWith3D;a.affectedByDistance=this.affectedByDistance;a.scaleByViewport=this.scaleByViewport;a.alignment=this.alignment;a.fog=this.fog;a.rotation3d.copy(this.rotation3d);a.rotation=this.rotation;a.opacity=this.opacity;a.uvOffset.copy(this.uvOffset);a.uvScale.copy(this.uvScale);THREE.Object3D.prototype.clone.call(this,
-a);return a};THREE.SpriteAlignment={};THREE.SpriteAlignment.topLeft=new THREE.Vector2(1,-1);THREE.SpriteAlignment.topCenter=new THREE.Vector2(0,-1);THREE.SpriteAlignment.topRight=new THREE.Vector2(-1,-1);THREE.SpriteAlignment.centerLeft=new THREE.Vector2(1,0);THREE.SpriteAlignment.center=new THREE.Vector2(0,0);THREE.SpriteAlignment.centerRight=new THREE.Vector2(-1,0);THREE.SpriteAlignment.bottomLeft=new THREE.Vector2(1,1);THREE.SpriteAlignment.bottomCenter=new THREE.Vector2(0,1);
-THREE.SpriteAlignment.bottomRight=new THREE.Vector2(-1,1);THREE.Scene=function(){THREE.Object3D.call(this);this.overrideMaterial=this.fog=null;this.matrixAutoUpdate=!1;this.__objects=[];this.__lights=[];this.__objectsAdded=[];this.__objectsRemoved=[]};THREE.Scene.prototype=Object.create(THREE.Object3D.prototype);
-THREE.Scene.prototype.__addObject=function(a){if(a instanceof THREE.Light)-1===this.__lights.indexOf(a)&&this.__lights.push(a),a.target&&void 0===a.target.parent&&this.add(a.target);else if(!(a instanceof THREE.Camera||a instanceof THREE.Bone)&&-1===this.__objects.indexOf(a)){this.__objects.push(a);this.__objectsAdded.push(a);var b=this.__objectsRemoved.indexOf(a);-1!==b&&this.__objectsRemoved.splice(b,1)}for(b=0;b<a.children.length;b++)this.__addObject(a.children[b])};
-THREE.Scene.prototype.__removeObject=function(a){if(a instanceof THREE.Light){var b=this.__lights.indexOf(a);-1!==b&&this.__lights.splice(b,1)}else a instanceof THREE.Camera||(b=this.__objects.indexOf(a),-1!==b&&(this.__objects.splice(b,1),this.__objectsRemoved.push(a),b=this.__objectsAdded.indexOf(a),-1!==b&&this.__objectsAdded.splice(b,1)));for(b=0;b<a.children.length;b++)this.__removeObject(a.children[b])};
-THREE.Fog=function(a,b,c){this.name="";this.color=new THREE.Color(a);this.near=void 0!==b?b:1;this.far=void 0!==c?c:1E3};THREE.Fog.prototype.clone=function(){return new THREE.Fog(this.color.getHex(),this.near,this.far)};THREE.FogExp2=function(a,b){this.name="";this.color=new THREE.Color(a);this.density=void 0!==b?b:2.5E-4};THREE.FogExp2.prototype.clone=function(){return new THREE.FogExp2(this.color.getHex(),this.density)};
-THREE.CanvasRenderer=function(a){function b(a){A!==a&&(A=w.globalAlpha=a)}function c(a){C!==a&&(a===THREE.NormalBlending?w.globalCompositeOperation="source-over":a===THREE.AdditiveBlending?w.globalCompositeOperation="lighter":a===THREE.SubtractiveBlending&&(w.globalCompositeOperation="darker"),C=a)}function d(a){B!==a&&(B=w.strokeStyle=a)}function e(a){z!==a&&(z=w.fillStyle=a)}console.log("THREE.CanvasRenderer",THREE.REVISION);a=a||{};var f=this,g,h,l,k=new THREE.Projector,q=void 0!==a.canvas?a.canvas:
-document.createElement("canvas"),s,t,v,u,w=q.getContext("2d"),x=new THREE.Color(0),y=0,A=1,C=0,B=null,z=null,D=null,I=null,J=null,F,K,L,H,T=new THREE.RenderableVertex,R=new THREE.RenderableVertex,m,O,W,P,ha,ca,oa,S,Da,N,da,Q,U=new THREE.Color,ia=new THREE.Color,ba=new THREE.Color,ga=new THREE.Color,ea=new THREE.Color,V=new THREE.Color,ka=new THREE.Color,ta={},ma={},pa,Ga,Aa,ua,ob,jb,eb,kb,Jb,Hb,lb=new THREE.Rectangle,za=new THREE.Rectangle,va=new THREE.Rectangle,fb=!1,Ha=new THREE.Color,qb=new THREE.Color,
-Za=new THREE.Color,Ia=new THREE.Vector3,gb,$a,rb,Ba,wa,sb;a=16;gb=document.createElement("canvas");gb.width=gb.height=2;$a=gb.getContext("2d");$a.fillStyle="rgba(0,0,0,1)";$a.fillRect(0,0,2,2);rb=$a.getImageData(0,0,2,2);Ba=rb.data;wa=document.createElement("canvas");wa.width=wa.height=a;sb=wa.getContext("2d");sb.translate(-a/2,-a/2);sb.scale(a,a);a--;this.domElement=q;this.sortElements=this.sortObjects=this.autoClear=!0;this.info={render:{vertices:0,faces:0}};this.setSize=function(a,b){s=a;t=b;v=
-Math.floor(s/2);u=Math.floor(t/2);q.width=s;q.height=t;lb.set(-v,-u,v,u);za.set(-v,-u,v,u);A=1;C=0;J=I=D=z=B=null};this.setClearColor=function(a,b){x.copy(a);y=void 0!==b?b:1;za.set(-v,-u,v,u)};this.setClearColorHex=function(a,b){x.setHex(a);y=void 0!==b?b:1;za.set(-v,-u,v,u)};this.getMaxAnisotropy=function(){return 0};this.clear=function(){w.setTransform(1,0,0,-1,v,u);!1===za.isEmpty()&&(za.minSelf(lb),za.inflate(2),1>y&&w.clearRect(Math.floor(za.getX()),Math.floor(za.getY()),Math.floor(za.getWidth()),
-Math.floor(za.getHeight())),0<y&&(c(THREE.NormalBlending),b(1),e("rgba("+Math.floor(255*x.r)+","+Math.floor(255*x.g)+","+Math.floor(255*x.b)+","+y+")"),w.fillRect(Math.floor(za.getX()),Math.floor(za.getY()),Math.floor(za.getWidth()),Math.floor(za.getHeight()))),za.empty())};this.render=function(a,q){function s(){Ha.setRGB(0,0,0);qb.setRGB(0,0,0);Za.setRGB(0,0,0);for(var a=0,b=l.length;a<b;a++){var c=l[a],d=c.color;c instanceof THREE.AmbientLight?(Ha.r+=d.r,Ha.g+=d.g,Ha.b+=d.b):c instanceof THREE.DirectionalLight?
-(qb.r+=d.r,qb.g+=d.g,qb.b+=d.b):c instanceof THREE.PointLight&&(Za.r+=d.r,Za.g+=d.g,Za.b+=d.b)}}function t(a,b,c){for(var d=0,e=l.length;d<e;d++){var f=l[d],g=f.color;if(f instanceof THREE.DirectionalLight){var h=f.matrixWorld.getPosition().normalize(),k=b.dot(h);0>=k||(k*=f.intensity,c.r+=g.r*k,c.g+=g.g*k,c.b+=g.b*k)}else f instanceof THREE.PointLight&&(h=f.matrixWorld.getPosition(),k=b.dot(Ia.sub(h,a).normalize()),0>=k||(k*=0==f.distance?1:1-Math.min(a.distanceTo(h)/f.distance,1),0!=k&&(k*=f.intensity,
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-h,a.y-l,a.x+h,a.y+l),!1!==lb.intersects(va)&&(w.save(),w.translate(a.x,a.y),w.rotate(-f.rotation),w.scale(k,-m),w.translate(-q,-r),w.drawImage(g,0,0),w.restore())):g instanceof THREE.ParticleCanvasMaterial&&(h=f.scale.x*v,l=f.scale.y*u,va.set(a.x-h,a.y-l,a.x+h,a.y+l),!1!==lb.intersects(va)&&(d(g.color.getContextStyle()),e(g.color.getContextStyle()),w.save(),w.translate(a.x,a.y),w.rotate(-f.rotation),w.scale(h,l),g.program(w),w.restore()))}function y(a,e,f,g,h){b(g.opacity);c(g.blending);w.beginPath();
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-ha=e.positionScreen.x;ca=e.positionScreen.y;C(m,O,W,P,ha,ca);(s instanceof THREE.MeshLambertMaterial||s instanceof THREE.MeshPhongMaterial)&&null===s.map&&null===s.map?(V.copy(s.color),ka.copy(s.emissive),s.vertexColors===THREE.FaceColors&&(V.r*=k.color.r,V.g*=k.color.g,V.b*=k.color.b),!0===fb?!1===s.wireframe&&s.shading==THREE.SmoothShading&&3==k.vertexNormalsLength?(ia.r=ba.r=ga.r=Ha.r,ia.g=ba.g=ga.g=Ha.g,ia.b=ba.b=ga.b=Ha.b,t(k.v1.positionWorld,k.vertexNormalsWorld[0],ia),t(k.v2.positionWorld,
-k.vertexNormalsWorld[1],ba),t(k.v3.positionWorld,k.vertexNormalsWorld[2],ga),ia.r=ia.r*V.r+ka.r,ia.g=ia.g*V.g+ka.g,ia.b=ia.b*V.b+ka.b,ba.r=ba.r*V.r+ka.r,ba.g=ba.g*V.g+ka.g,ba.b=ba.b*V.b+ka.b,ga.r=ga.r*V.r+ka.r,ga.g=ga.g*V.g+ka.g,ga.b=ga.b*V.b+ka.b,ea.r=0.5*(ba.r+ga.r),ea.g=0.5*(ba.g+ga.g),ea.b=0.5*(ba.b+ga.b),Aa=nc(ia,ba,ga,ea),Zb(m,O,W,P,ha,ca,0,0,1,0,0,1,Aa)):(U.r=Ha.r,U.g=Ha.g,U.b=Ha.b,t(k.centroidWorld,k.normalWorld,U),U.r=U.r*V.r+ka.r,U.g=U.g*V.g+ka.g,U.b=U.b*V.b+ka.b,!0===s.wireframe?Ua(U,s.wireframeLinewidth,
-s.wireframeLinecap,s.wireframeLinejoin):ub(U)):!0===s.wireframe?Ua(s.color,s.wireframeLinewidth,s.wireframeLinecap,s.wireframeLinejoin):ub(s.color)):s instanceof THREE.MeshBasicMaterial||s instanceof THREE.MeshLambertMaterial||s instanceof THREE.MeshPhongMaterial?null!==s.map?s.map.mapping instanceof THREE.UVMapping&&(ua=k.uvs[0],wc(m,O,W,P,ha,ca,ua[g].u,ua[g].v,ua[h].u,ua[h].v,ua[l].u,ua[l].v,s.map)):null!==s.envMap?s.envMap.mapping instanceof THREE.SphericalReflectionMapping&&(a=q.matrixWorldInverse,
-Ia.copy(k.vertexNormalsWorld[g]),ob=0.5*(Ia.x*a.elements[0]+Ia.y*a.elements[4]+Ia.z*a.elements[8])+0.5,jb=0.5*(Ia.x*a.elements[1]+Ia.y*a.elements[5]+Ia.z*a.elements[9])+0.5,Ia.copy(k.vertexNormalsWorld[h]),eb=0.5*(Ia.x*a.elements[0]+Ia.y*a.elements[4]+Ia.z*a.elements[8])+0.5,kb=0.5*(Ia.x*a.elements[1]+Ia.y*a.elements[5]+Ia.z*a.elements[9])+0.5,Ia.copy(k.vertexNormalsWorld[l]),Jb=0.5*(Ia.x*a.elements[0]+Ia.y*a.elements[4]+Ia.z*a.elements[8])+0.5,Hb=0.5*(Ia.x*a.elements[1]+Ia.y*a.elements[5]+Ia.z*a.elements[9])+
-0.5,wc(m,O,W,P,ha,ca,ob,jb,eb,kb,Jb,Hb,s.envMap)):(U.copy(s.color),s.vertexColors===THREE.FaceColors&&(U.r*=k.color.r,U.g*=k.color.g,U.b*=k.color.b),!0===s.wireframe?Ua(U,s.wireframeLinewidth,s.wireframeLinecap,s.wireframeLinejoin):ub(U)):s instanceof THREE.MeshDepthMaterial?(pa=q.near,Ga=q.far,ia.r=ia.g=ia.b=1-$b(a.positionScreen.z,pa,Ga),ba.r=ba.g=ba.b=1-$b(d.positionScreen.z,pa,Ga),ga.r=ga.g=ga.b=1-$b(e.positionScreen.z,pa,Ga),ea.r=0.5*(ba.r+ga.r),ea.g=0.5*(ba.g+ga.g),ea.b=0.5*(ba.b+ga.b),Aa=nc(ia,
-ba,ga,ea),Zb(m,O,W,P,ha,ca,0,0,1,0,0,1,Aa)):s instanceof THREE.MeshNormalMaterial&&(U.r=ac(k.normalWorld.x),U.g=ac(k.normalWorld.y),U.b=ac(k.normalWorld.z),!0===s.wireframe?Ua(U,s.wireframeLinewidth,s.wireframeLinecap,s.wireframeLinejoin):ub(U))}function A(a,d,e,g,h,l,k,s,v){f.info.render.vertices+=4;f.info.render.faces++;b(s.opacity);c(s.blending);void 0!==s.map&&null!==s.map||void 0!==s.envMap&&null!==s.envMap?(z(a,d,g,0,1,3,k,s,v),z(h,e,l,1,2,3,k,s,v)):(m=a.positionScreen.x,O=a.positionScreen.y,
-W=d.positionScreen.x,P=d.positionScreen.y,ha=e.positionScreen.x,ca=e.positionScreen.y,oa=g.positionScreen.x,S=g.positionScreen.y,Da=h.positionScreen.x,N=h.positionScreen.y,da=l.positionScreen.x,Q=l.positionScreen.y,s instanceof THREE.MeshLambertMaterial||s instanceof THREE.MeshPhongMaterial?(V.copy(s.color),ka.copy(s.emissive),s.vertexColors===THREE.FaceColors&&(V.r*=k.color.r,V.g*=k.color.g,V.b*=k.color.b),!0===fb?!1===s.wireframe&&s.shading==THREE.SmoothShading&&4==k.vertexNormalsLength?(ia.r=ba.r=
-ga.r=ea.r=Ha.r,ia.g=ba.g=ga.g=ea.g=Ha.g,ia.b=ba.b=ga.b=ea.b=Ha.b,t(k.v1.positionWorld,k.vertexNormalsWorld[0],ia),t(k.v2.positionWorld,k.vertexNormalsWorld[1],ba),t(k.v4.positionWorld,k.vertexNormalsWorld[3],ga),t(k.v3.positionWorld,k.vertexNormalsWorld[2],ea),ia.r=ia.r*V.r+ka.r,ia.g=ia.g*V.g+ka.g,ia.b=ia.b*V.b+ka.b,ba.r=ba.r*V.r+ka.r,ba.g=ba.g*V.g+ka.g,ba.b=ba.b*V.b+ka.b,ga.r=ga.r*V.r+ka.r,ga.g=ga.g*V.g+ka.g,ga.b=ga.b*V.b+ka.b,ea.r=ea.r*V.r+ka.r,ea.g=ea.g*V.g+ka.g,ea.b=ea.b*V.b+ka.b,Aa=nc(ia,ba,
-ga,ea),C(m,O,W,P,oa,S),Zb(m,O,W,P,oa,S,0,0,1,0,0,1,Aa),C(Da,N,ha,ca,da,Q),Zb(Da,N,ha,ca,da,Q,1,0,1,1,0,1,Aa)):(U.r=Ha.r,U.g=Ha.g,U.b=Ha.b,t(k.centroidWorld,k.normalWorld,U),U.r=U.r*V.r+ka.r,U.g=U.g*V.g+ka.g,U.b=U.b*V.b+ka.b,B(m,O,W,P,ha,ca,oa,S),!0===s.wireframe?Ua(U,s.wireframeLinewidth,s.wireframeLinecap,s.wireframeLinejoin):ub(U)):(U.r=V.r+ka.r,U.g=V.g+ka.g,U.b=V.b+ka.b,B(m,O,W,P,ha,ca,oa,S),!0===s.wireframe?Ua(U,s.wireframeLinewidth,s.wireframeLinecap,s.wireframeLinejoin):ub(U))):s instanceof
-THREE.MeshBasicMaterial?(U.copy(s.color),s.vertexColors===THREE.FaceColors&&(U.r*=k.color.r,U.g*=k.color.g,U.b*=k.color.b),B(m,O,W,P,ha,ca,oa,S),!0===s.wireframe?Ua(U,s.wireframeLinewidth,s.wireframeLinecap,s.wireframeLinejoin):ub(U)):s instanceof THREE.MeshNormalMaterial?(U.r=ac(k.normalWorld.x),U.g=ac(k.normalWorld.y),U.b=ac(k.normalWorld.z),B(m,O,W,P,ha,ca,oa,S),!0===s.wireframe?Ua(U,s.wireframeLinewidth,s.wireframeLinecap,s.wireframeLinejoin):ub(U)):s instanceof THREE.MeshDepthMaterial&&(pa=q.near,
-Ga=q.far,ia.r=ia.g=ia.b=1-$b(a.positionScreen.z,pa,Ga),ba.r=ba.g=ba.b=1-$b(d.positionScreen.z,pa,Ga),ga.r=ga.g=ga.b=1-$b(g.positionScreen.z,pa,Ga),ea.r=ea.g=ea.b=1-$b(e.positionScreen.z,pa,Ga),Aa=nc(ia,ba,ga,ea),C(m,O,W,P,oa,S),Zb(m,O,W,P,oa,S,0,0,1,0,0,1,Aa),C(Da,N,ha,ca,da,Q),Zb(Da,N,ha,ca,da,Q,1,0,1,1,0,1,Aa)))}function C(a,b,c,d,e,f){w.beginPath();w.moveTo(a,b);w.lineTo(c,d);w.lineTo(e,f);w.closePath()}function B(a,b,c,d,e,f,g,h){w.beginPath();w.moveTo(a,b);w.lineTo(c,d);w.lineTo(e,f);w.lineTo(g,
-h);w.closePath()}function Ua(a,b,c,e){D!==b&&(D=w.lineWidth=b);I!==c&&(I=w.lineCap=c);J!==e&&(J=w.lineJoin=e);d(a.getContextStyle());w.stroke();va.inflate(2*b)}function ub(a){e(a.getContextStyle());w.fill()}function wc(a,b,c,d,f,g,h,k,l,m,q,r,s){if(!(s instanceof THREE.DataTexture||void 0===s.image||0==s.image.width)){if(!0===s.needsUpdate){var t=s.wrapS==THREE.RepeatWrapping,Ua=s.wrapT==THREE.RepeatWrapping;ta[s.id]=w.createPattern(s.image,!0===t&&!0===Ua?"repeat":!0===t&&!1===Ua?"repeat-x":!1===
-t&&!0===Ua?"repeat-y":"no-repeat");s.needsUpdate=!1}void 0===ta[s.id]?e("rgba(0,0,0,1)"):e(ta[s.id]);var t=s.offset.x/s.repeat.x,Ua=s.offset.y/s.repeat.y,v=s.image.width*s.repeat.x,u=s.image.height*s.repeat.y;h=(h+t)*v;k=(1-k+Ua)*u;c-=a;d-=b;f-=a;g-=b;l=(l+t)*v-h;m=(1-m+Ua)*u-k;q=(q+t)*v-h;r=(1-r+Ua)*u-k;t=l*r-q*m;0===t?(void 0===ma[s.id]&&(b=document.createElement("canvas"),b.width=s.image.width,b.height=s.image.height,b=b.getContext("2d"),b.drawImage(s.image,0,0),ma[s.id]=b.getImageData(0,0,s.image.width,
-s.image.height).data),b=ma[s.id],h=4*(Math.floor(h)+Math.floor(k)*s.image.width),U.setRGB(b[h]/255,b[h+1]/255,b[h+2]/255),ub(U)):(t=1/t,s=(r*c-m*f)*t,m=(r*d-m*g)*t,c=(l*f-q*c)*t,d=(l*g-q*d)*t,a=a-s*h-c*k,h=b-m*h-d*k,w.save(),w.transform(s,m,c,d,a,h),w.fill(),w.restore())}}function Zb(a,b,c,d,e,f,g,h,k,l,m,q,s){var r,t;r=s.width-1;t=s.height-1;g*=r;h*=t;c-=a;d-=b;e-=a;f-=b;k=k*r-g;l=l*t-h;m=m*r-g;q=q*t-h;t=1/(k*q-m*l);r=(q*c-l*e)*t;l=(q*d-l*f)*t;c=(k*e-m*c)*t;d=(k*f-m*d)*t;a=a-r*g-c*h;b=b-l*g-d*h;
-w.save();w.transform(r,l,c,d,a,b);w.clip();w.drawImage(s,0,0);w.restore()}function nc(a,b,c,d){Ba[0]=255*a.r|0;Ba[1]=255*a.g|0;Ba[2]=255*a.b|0;Ba[4]=255*b.r|0;Ba[5]=255*b.g|0;Ba[6]=255*b.b|0;Ba[8]=255*c.r|0;Ba[9]=255*c.g|0;Ba[10]=255*c.b|0;Ba[12]=255*d.r|0;Ba[13]=255*d.g|0;Ba[14]=255*d.b|0;$a.putImageData(rb,0,0);sb.drawImage(gb,0,0);return wa}function $b(a,b,c){a=(a-b)/(c-b);return a*a*(3-2*a)}function ac(a){a=0.5*(a+1);return 0>a?0:1<a?1:a}function Mb(a,b){var c=b.x-a.x,d=b.y-a.y,e=c*c+d*d;0!==
-e&&(e=1/Math.sqrt(e),c*=e,d*=e,b.x+=c,b.y+=d,a.x-=c,a.y-=d)}if(!1===q instanceof THREE.Camera)console.error("THREE.CanvasRenderer.render: camera is not an instance of THREE.Camera.");else{var pc,Gc,ab,Kb;!0===this.autoClear?this.clear():w.setTransform(1,0,0,-1,v,u);f.info.render.vertices=0;f.info.render.faces=0;g=k.projectScene(a,q,this.sortObjects,this.sortElements);h=g.elements;l=g.lights;fb=0<l.length;!0===fb&&s();pc=0;for(Gc=h.length;pc<Gc;pc++)ab=h[pc],Kb=ab.material,void 0!==Kb&&!1!==Kb.visible&&
-(va.empty(),ab instanceof THREE.RenderableParticle?(F=ab,F.x*=v,F.y*=u,x(F,ab,Kb,a)):ab instanceof THREE.RenderableLine?(F=ab.v1,K=ab.v2,F.positionScreen.x*=v,F.positionScreen.y*=u,K.positionScreen.x*=v,K.positionScreen.y*=u,va.addPoint(F.positionScreen.x,F.positionScreen.y),va.addPoint(K.positionScreen.x,K.positionScreen.y),!0===lb.intersects(va)&&y(F,K,ab,Kb,a)):ab instanceof THREE.RenderableFace3?(F=ab.v1,K=ab.v2,L=ab.v3,F.positionScreen.x*=v,F.positionScreen.y*=u,K.positionScreen.x*=v,K.positionScreen.y*=
-u,L.positionScreen.x*=v,L.positionScreen.y*=u,!0===Kb.overdraw&&(Mb(F.positionScreen,K.positionScreen),Mb(K.positionScreen,L.positionScreen),Mb(L.positionScreen,F.positionScreen)),va.add3Points(F.positionScreen.x,F.positionScreen.y,K.positionScreen.x,K.positionScreen.y,L.positionScreen.x,L.positionScreen.y),!0===lb.intersects(va)&&z(F,K,L,0,1,2,ab,Kb,a)):ab instanceof THREE.RenderableFace4&&(F=ab.v1,K=ab.v2,L=ab.v3,H=ab.v4,F.positionScreen.x*=v,F.positionScreen.y*=u,K.positionScreen.x*=v,K.positionScreen.y*=
-u,L.positionScreen.x*=v,L.positionScreen.y*=u,H.positionScreen.x*=v,H.positionScreen.y*=u,T.positionScreen.copy(K.positionScreen),R.positionScreen.copy(H.positionScreen),!0===Kb.overdraw&&(Mb(F.positionScreen,K.positionScreen),Mb(K.positionScreen,H.positionScreen),Mb(H.positionScreen,F.positionScreen),Mb(L.positionScreen,T.positionScreen),Mb(L.positionScreen,R.positionScreen)),va.addPoint(F.positionScreen.x,F.positionScreen.y),va.addPoint(K.positionScreen.x,K.positionScreen.y),va.addPoint(L.positionScreen.x,
-L.positionScreen.y),va.addPoint(H.positionScreen.x,H.positionScreen.y),!0===lb.intersects(va)&&A(F,K,L,H,T,R,ab,Kb,a)),za.addRectangle(va));w.setTransform(1,0,0,1,0,0)}}};
-THREE.ShaderChunk={fog_pars_fragment:"#ifdef USE_FOG\nuniform vec3 fogColor;\n#ifdef FOG_EXP2\nuniform float fogDensity;\n#else\nuniform float fogNear;\nuniform float fogFar;\n#endif\n#endif",fog_fragment:"#ifdef USE_FOG\nfloat depth = gl_FragCoord.z / gl_FragCoord.w;\n#ifdef FOG_EXP2\nconst float LOG2 = 1.442695;\nfloat fogFactor = exp2( - fogDensity * fogDensity * depth * depth * LOG2 );\nfogFactor = 1.0 - clamp( fogFactor, 0.0, 1.0 );\n#else\nfloat fogFactor = smoothstep( fogNear, fogFar, depth );\n#endif\ngl_FragColor = mix( gl_FragColor, vec4( fogColor, gl_FragColor.w ), fogFactor );\n#endif",envmap_pars_fragment:"#ifdef USE_ENVMAP\nuniform float reflectivity;\nuniform samplerCube envMap;\nuniform float flipEnvMap;\nuniform int combine;\n#if defined( USE_BUMPMAP ) || defined( USE_NORMALMAP )\nuniform bool useRefract;\nuniform float refractionRatio;\n#else\nvarying vec3 vReflect;\n#endif\n#endif",
-envmap_fragment:"#ifdef USE_ENVMAP\nvec3 reflectVec;\n#if defined( USE_BUMPMAP ) || defined( USE_NORMALMAP )\nvec3 cameraToVertex = normalize( vWorldPosition - cameraPosition );\nif ( useRefract ) {\nreflectVec = refract( cameraToVertex, normal, refractionRatio );\n} else { \nreflectVec = reflect( cameraToVertex, normal );\n}\n#else\nreflectVec = vReflect;\n#endif\n#ifdef DOUBLE_SIDED\nfloat flipNormal = ( -1.0 + 2.0 * float( gl_FrontFacing ) );\nvec4 cubeColor = textureCube( envMap, flipNormal * vec3( flipEnvMap * reflectVec.x, reflectVec.yz ) );\n#else\nvec4 cubeColor = textureCube( envMap, vec3( flipEnvMap * reflectVec.x, reflectVec.yz ) );\n#endif\n#ifdef GAMMA_INPUT\ncubeColor.xyz *= cubeColor.xyz;\n#endif\nif ( combine == 1 ) {\ngl_FragColor.xyz = mix( gl_FragColor.xyz, cubeColor.xyz, specularStrength * reflectivity );\n} else if ( combine == 2 ) {\ngl_FragColor.xyz += cubeColor.xyz * specularStrength * reflectivity;\n} else {\ngl_FragColor.xyz = mix( gl_FragColor.xyz, gl_FragColor.xyz * cubeColor.xyz, specularStrength * reflectivity );\n}\n#endif",
-envmap_pars_vertex:"#if defined( USE_ENVMAP ) && ! defined( USE_BUMPMAP ) && ! defined( USE_NORMALMAP )\nvarying vec3 vReflect;\nuniform float refractionRatio;\nuniform bool useRefract;\n#endif",worldpos_vertex:"#if defined( USE_ENVMAP ) || defined( PHONG ) || defined( LAMBERT ) || defined ( USE_SHADOWMAP )\n#ifdef USE_SKINNING\nvec4 worldPosition = modelMatrix * skinned;\n#endif\n#if defined( USE_MORPHTARGETS ) && ! defined( USE_SKINNING )\nvec4 worldPosition = modelMatrix * vec4( morphed, 1.0 );\n#endif\n#if ! defined( USE_MORPHTARGETS ) && ! defined( USE_SKINNING )\nvec4 worldPosition = modelMatrix * vec4( position, 1.0 );\n#endif\n#endif",
-envmap_vertex:"#if defined( USE_ENVMAP ) && ! defined( USE_BUMPMAP ) && ! defined( USE_NORMALMAP )\nvec3 worldNormal = mat3( modelMatrix[ 0 ].xyz, modelMatrix[ 1 ].xyz, modelMatrix[ 2 ].xyz ) * objectNormal;\nworldNormal = normalize( worldNormal );\nvec3 cameraToVertex = normalize( worldPosition.xyz - cameraPosition );\nif ( useRefract ) {\nvReflect = refract( cameraToVertex, worldNormal, refractionRatio );\n} else {\nvReflect = reflect( cameraToVertex, worldNormal );\n}\n#endif",map_particle_pars_fragment:"#ifdef USE_MAP\nuniform sampler2D map;\n#endif",
-map_particle_fragment:"#ifdef USE_MAP\ngl_FragColor = gl_FragColor * texture2D( map, vec2( gl_PointCoord.x, 1.0 - gl_PointCoord.y ) );\n#endif",map_pars_vertex:"#if defined( USE_MAP ) || defined( USE_BUMPMAP ) || defined( USE_NORMALMAP ) || defined( USE_SPECULARMAP )\nvarying vec2 vUv;\nuniform vec4 offsetRepeat;\n#endif",map_pars_fragment:"#if defined( USE_MAP ) || defined( USE_BUMPMAP ) || defined( USE_NORMALMAP ) || defined( USE_SPECULARMAP )\nvarying vec2 vUv;\n#endif\n#ifdef USE_MAP\nuniform sampler2D map;\n#endif",
-map_vertex:"#if defined( USE_MAP ) || defined( USE_BUMPMAP ) || defined( USE_NORMALMAP ) || defined( USE_SPECULARMAP )\nvUv = uv * offsetRepeat.zw + offsetRepeat.xy;\n#endif",map_fragment:"#ifdef USE_MAP\n#ifdef GAMMA_INPUT\nvec4 texelColor = texture2D( map, vUv );\ntexelColor.xyz *= texelColor.xyz;\ngl_FragColor = gl_FragColor * texelColor;\n#else\ngl_FragColor = gl_FragColor * texture2D( map, vUv );\n#endif\n#endif",lightmap_pars_fragment:"#ifdef USE_LIGHTMAP\nvarying vec2 vUv2;\nuniform sampler2D lightMap;\n#endif",
-lightmap_pars_vertex:"#ifdef USE_LIGHTMAP\nvarying vec2 vUv2;\n#endif",lightmap_fragment:"#ifdef USE_LIGHTMAP\ngl_FragColor = gl_FragColor * texture2D( lightMap, vUv2 );\n#endif",lightmap_vertex:"#ifdef USE_LIGHTMAP\nvUv2 = uv2;\n#endif",bumpmap_pars_fragment:"#ifdef USE_BUMPMAP\nuniform sampler2D bumpMap;\nuniform float bumpScale;\nvec2 dHdxy_fwd() {\nvec2 dSTdx = dFdx( vUv );\nvec2 dSTdy = dFdy( vUv );\nfloat Hll = bumpScale * texture2D( bumpMap, vUv ).x;\nfloat dBx = bumpScale * texture2D( bumpMap, vUv + dSTdx ).x - Hll;\nfloat dBy = bumpScale * texture2D( bumpMap, vUv + dSTdy ).x - Hll;\nreturn vec2( dBx, dBy );\n}\nvec3 perturbNormalArb( vec3 surf_pos, vec3 surf_norm, vec2 dHdxy ) {\nvec3 vSigmaX = dFdx( surf_pos );\nvec3 vSigmaY = dFdy( surf_pos );\nvec3 vN = surf_norm;\nvec3 R1 = cross( vSigmaY, vN );\nvec3 R2 = cross( vN, vSigmaX );\nfloat fDet = dot( vSigmaX, R1 );\nvec3 vGrad = sign( fDet ) * ( dHdxy.x * R1 + dHdxy.y * R2 );\nreturn normalize( abs( fDet ) * surf_norm - vGrad );\n}\n#endif",
-normalmap_pars_fragment:"#ifdef USE_NORMALMAP\nuniform sampler2D normalMap;\nuniform vec2 normalScale;\nvec3 perturbNormal2Arb( vec3 eye_pos, vec3 surf_norm ) {\nvec3 q0 = dFdx( eye_pos.xyz );\nvec3 q1 = dFdy( eye_pos.xyz );\nvec2 st0 = dFdx( vUv.st );\nvec2 st1 = dFdy( vUv.st );\nvec3 S = normalize(  q0 * st1.t - q1 * st0.t );\nvec3 T = normalize( -q0 * st1.s + q1 * st0.s );\nvec3 N = normalize( surf_norm );\nvec3 mapN = texture2D( normalMap, vUv ).xyz * 2.0 - 1.0;\nmapN.xy = normalScale * mapN.xy;\nmat3 tsn = mat3( S, T, N );\nreturn normalize( tsn * mapN );\n}\n#endif",
-specularmap_pars_fragment:"#ifdef USE_SPECULARMAP\nuniform sampler2D specularMap;\n#endif",specularmap_fragment:"float specularStrength;\n#ifdef USE_SPECULARMAP\nvec4 texelSpecular = texture2D( specularMap, vUv );\nspecularStrength = texelSpecular.r;\n#else\nspecularStrength = 1.0;\n#endif",lights_lambert_pars_vertex:"uniform vec3 ambient;\nuniform vec3 diffuse;\nuniform vec3 emissive;\nuniform vec3 ambientLightColor;\n#if MAX_DIR_LIGHTS > 0\nuniform vec3 directionalLightColor[ MAX_DIR_LIGHTS ];\nuniform vec3 directionalLightDirection[ MAX_DIR_LIGHTS ];\n#endif\n#if MAX_HEMI_LIGHTS > 0\nuniform vec3 hemisphereLightSkyColor[ MAX_HEMI_LIGHTS ];\nuniform vec3 hemisphereLightGroundColor[ MAX_HEMI_LIGHTS ];\nuniform vec3 hemisphereLightDirection[ MAX_HEMI_LIGHTS ];\n#endif\n#if MAX_POINT_LIGHTS > 0\nuniform vec3 pointLightColor[ MAX_POINT_LIGHTS ];\nuniform vec3 pointLightPosition[ MAX_POINT_LIGHTS ];\nuniform float pointLightDistance[ MAX_POINT_LIGHTS ];\n#endif\n#if MAX_SPOT_LIGHTS > 0\nuniform vec3 spotLightColor[ MAX_SPOT_LIGHTS ];\nuniform vec3 spotLightPosition[ MAX_SPOT_LIGHTS ];\nuniform vec3 spotLightDirection[ MAX_SPOT_LIGHTS ];\nuniform float spotLightDistance[ MAX_SPOT_LIGHTS ];\nuniform float spotLightAngleCos[ MAX_SPOT_LIGHTS ];\nuniform float spotLightExponent[ MAX_SPOT_LIGHTS ];\n#endif\n#ifdef WRAP_AROUND\nuniform vec3 wrapRGB;\n#endif",
-lights_lambert_vertex:"vLightFront = vec3( 0.0 );\n#ifdef DOUBLE_SIDED\nvLightBack = vec3( 0.0 );\n#endif\ntransformedNormal = normalize( transformedNormal );\n#if MAX_DIR_LIGHTS > 0\nfor( int i = 0; i < MAX_DIR_LIGHTS; i ++ ) {\nvec4 lDirection = viewMatrix * vec4( directionalLightDirection[ i ], 0.0 );\nvec3 dirVector = normalize( lDirection.xyz );\nfloat dotProduct = dot( transformedNormal, dirVector );\nvec3 directionalLightWeighting = vec3( max( dotProduct, 0.0 ) );\n#ifdef DOUBLE_SIDED\nvec3 directionalLightWeightingBack = vec3( max( -dotProduct, 0.0 ) );\n#ifdef WRAP_AROUND\nvec3 directionalLightWeightingHalfBack = vec3( max( -0.5 * dotProduct + 0.5, 0.0 ) );\n#endif\n#endif\n#ifdef WRAP_AROUND\nvec3 directionalLightWeightingHalf = vec3( max( 0.5 * dotProduct + 0.5, 0.0 ) );\ndirectionalLightWeighting = mix( directionalLightWeighting, directionalLightWeightingHalf, wrapRGB );\n#ifdef DOUBLE_SIDED\ndirectionalLightWeightingBack = mix( directionalLightWeightingBack, directionalLightWeightingHalfBack, wrapRGB );\n#endif\n#endif\nvLightFront += directionalLightColor[ i ] * directionalLightWeighting;\n#ifdef DOUBLE_SIDED\nvLightBack += directionalLightColor[ i ] * directionalLightWeightingBack;\n#endif\n}\n#endif\n#if MAX_POINT_LIGHTS > 0\nfor( int i = 0; i < MAX_POINT_LIGHTS; i ++ ) {\nvec4 lPosition = viewMatrix * vec4( pointLightPosition[ i ], 1.0 );\nvec3 lVector = lPosition.xyz - mvPosition.xyz;\nfloat lDistance = 1.0;\nif ( pointLightDistance[ i ] > 0.0 )\nlDistance = 1.0 - min( ( length( lVector ) / pointLightDistance[ i ] ), 1.0 );\nlVector = normalize( lVector );\nfloat dotProduct = dot( transformedNormal, lVector );\nvec3 pointLightWeighting = vec3( max( dotProduct, 0.0 ) );\n#ifdef DOUBLE_SIDED\nvec3 pointLightWeightingBack = vec3( max( -dotProduct, 0.0 ) );\n#ifdef WRAP_AROUND\nvec3 pointLightWeightingHalfBack = vec3( max( -0.5 * dotProduct + 0.5, 0.0 ) );\n#endif\n#endif\n#ifdef WRAP_AROUND\nvec3 pointLightWeightingHalf = vec3( max( 0.5 * dotProduct + 0.5, 0.0 ) );\npointLightWeighting = mix( pointLightWeighting, pointLightWeightingHalf, wrapRGB );\n#ifdef DOUBLE_SIDED\npointLightWeightingBack = mix( pointLightWeightingBack, pointLightWeightingHalfBack, wrapRGB );\n#endif\n#endif\nvLightFront += pointLightColor[ i ] * pointLightWeighting * lDistance;\n#ifdef DOUBLE_SIDED\nvLightBack += pointLightColor[ i ] * pointLightWeightingBack * lDistance;\n#endif\n}\n#endif\n#if MAX_SPOT_LIGHTS > 0\nfor( int i = 0; i < MAX_SPOT_LIGHTS; i ++ ) {\nvec4 lPosition = viewMatrix * vec4( spotLightPosition[ i ], 1.0 );\nvec3 lVector = lPosition.xyz - mvPosition.xyz;\nfloat spotEffect = dot( spotLightDirection[ i ], normalize( spotLightPosition[ i ] - worldPosition.xyz ) );\nif ( spotEffect > spotLightAngleCos[ i ] ) {\nspotEffect = max( pow( spotEffect, spotLightExponent[ i ] ), 0.0 );\nfloat lDistance = 1.0;\nif ( spotLightDistance[ i ] > 0.0 )\nlDistance = 1.0 - min( ( length( lVector ) / spotLightDistance[ i ] ), 1.0 );\nlVector = normalize( lVector );\nfloat dotProduct = dot( transformedNormal, lVector );\nvec3 spotLightWeighting = vec3( max( dotProduct, 0.0 ) );\n#ifdef DOUBLE_SIDED\nvec3 spotLightWeightingBack = vec3( max( -dotProduct, 0.0 ) );\n#ifdef WRAP_AROUND\nvec3 spotLightWeightingHalfBack = vec3( max( -0.5 * dotProduct + 0.5, 0.0 ) );\n#endif\n#endif\n#ifdef WRAP_AROUND\nvec3 spotLightWeightingHalf = vec3( max( 0.5 * dotProduct + 0.5, 0.0 ) );\nspotLightWeighting = mix( spotLightWeighting, spotLightWeightingHalf, wrapRGB );\n#ifdef DOUBLE_SIDED\nspotLightWeightingBack = mix( spotLightWeightingBack, spotLightWeightingHalfBack, wrapRGB );\n#endif\n#endif\nvLightFront += spotLightColor[ i ] * spotLightWeighting * lDistance * spotEffect;\n#ifdef DOUBLE_SIDED\nvLightBack += spotLightColor[ i ] * spotLightWeightingBack * lDistance * spotEffect;\n#endif\n}\n}\n#endif\n#if MAX_HEMI_LIGHTS > 0\nfor( int i = 0; i < MAX_HEMI_LIGHTS; i ++ ) {\nvec4 lDirection = viewMatrix * vec4( hemisphereLightDirection[ i ], 0.0 );\nvec3 lVector = normalize( lDirection.xyz );\nfloat dotProduct = dot( transformedNormal, lVector );\nfloat hemiDiffuseWeight = 0.5 * dotProduct + 0.5;\nfloat hemiDiffuseWeightBack = -0.5 * dotProduct + 0.5;\nvLightFront += mix( hemisphereLightGroundColor[ i ], hemisphereLightSkyColor[ i ], hemiDiffuseWeight );\n#ifdef DOUBLE_SIDED\nvLightBack += mix( hemisphereLightGroundColor[ i ], hemisphereLightSkyColor[ i ], hemiDiffuseWeightBack );\n#endif\n}\n#endif\nvLightFront = vLightFront * diffuse + ambient * ambientLightColor + emissive;\n#ifdef DOUBLE_SIDED\nvLightBack = vLightBack * diffuse + ambient * ambientLightColor + emissive;\n#endif",
-lights_phong_pars_vertex:"#ifndef PHONG_PER_PIXEL\n#if MAX_POINT_LIGHTS > 0\nuniform vec3 pointLightPosition[ MAX_POINT_LIGHTS ];\nuniform float pointLightDistance[ MAX_POINT_LIGHTS ];\nvarying vec4 vPointLight[ MAX_POINT_LIGHTS ];\n#endif\n#if MAX_SPOT_LIGHTS > 0\nuniform vec3 spotLightPosition[ MAX_SPOT_LIGHTS ];\nuniform float spotLightDistance[ MAX_SPOT_LIGHTS ];\nvarying vec4 vSpotLight[ MAX_SPOT_LIGHTS ];\n#endif\n#endif\n#if MAX_SPOT_LIGHTS > 0 || defined( USE_BUMPMAP )\nvarying vec3 vWorldPosition;\n#endif",
-lights_phong_vertex:"#ifndef PHONG_PER_PIXEL\n#if MAX_POINT_LIGHTS > 0\nfor( int i = 0; i < MAX_POINT_LIGHTS; i ++ ) {\nvec4 lPosition = viewMatrix * vec4( pointLightPosition[ i ], 1.0 );\nvec3 lVector = lPosition.xyz - mvPosition.xyz;\nfloat lDistance = 1.0;\nif ( pointLightDistance[ i ] > 0.0 )\nlDistance = 1.0 - min( ( length( lVector ) / pointLightDistance[ i ] ), 1.0 );\nvPointLight[ i ] = vec4( lVector, lDistance );\n}\n#endif\n#if MAX_SPOT_LIGHTS > 0\nfor( int i = 0; i < MAX_SPOT_LIGHTS; i ++ ) {\nvec4 lPosition = viewMatrix * vec4( spotLightPosition[ i ], 1.0 );\nvec3 lVector = lPosition.xyz - mvPosition.xyz;\nfloat lDistance = 1.0;\nif ( spotLightDistance[ i ] > 0.0 )\nlDistance = 1.0 - min( ( length( lVector ) / spotLightDistance[ i ] ), 1.0 );\nvSpotLight[ i ] = vec4( lVector, lDistance );\n}\n#endif\n#endif\n#if MAX_SPOT_LIGHTS > 0 || defined( USE_BUMPMAP )\nvWorldPosition = worldPosition.xyz;\n#endif",
-lights_phong_pars_fragment:"uniform vec3 ambientLightColor;\n#if MAX_DIR_LIGHTS > 0\nuniform vec3 directionalLightColor[ MAX_DIR_LIGHTS ];\nuniform vec3 directionalLightDirection[ MAX_DIR_LIGHTS ];\n#endif\n#if MAX_HEMI_LIGHTS > 0\nuniform vec3 hemisphereLightSkyColor[ MAX_HEMI_LIGHTS ];\nuniform vec3 hemisphereLightGroundColor[ MAX_HEMI_LIGHTS ];\nuniform vec3 hemisphereLightDirection[ MAX_HEMI_LIGHTS ];\n#endif\n#if MAX_POINT_LIGHTS > 0\nuniform vec3 pointLightColor[ MAX_POINT_LIGHTS ];\n#ifdef PHONG_PER_PIXEL\nuniform vec3 pointLightPosition[ MAX_POINT_LIGHTS ];\nuniform float pointLightDistance[ MAX_POINT_LIGHTS ];\n#else\nvarying vec4 vPointLight[ MAX_POINT_LIGHTS ];\n#endif\n#endif\n#if MAX_SPOT_LIGHTS > 0\nuniform vec3 spotLightColor[ MAX_SPOT_LIGHTS ];\nuniform vec3 spotLightPosition[ MAX_SPOT_LIGHTS ];\nuniform vec3 spotLightDirection[ MAX_SPOT_LIGHTS ];\nuniform float spotLightAngleCos[ MAX_SPOT_LIGHTS ];\nuniform float spotLightExponent[ MAX_SPOT_LIGHTS ];\n#ifdef PHONG_PER_PIXEL\nuniform float spotLightDistance[ MAX_SPOT_LIGHTS ];\n#else\nvarying vec4 vSpotLight[ MAX_SPOT_LIGHTS ];\n#endif\n#endif\n#if MAX_SPOT_LIGHTS > 0 || defined( USE_BUMPMAP )\nvarying vec3 vWorldPosition;\n#endif\n#ifdef WRAP_AROUND\nuniform vec3 wrapRGB;\n#endif\nvarying vec3 vViewPosition;\nvarying vec3 vNormal;",
-lights_phong_fragment:"vec3 normal = normalize( vNormal );\nvec3 viewPosition = normalize( vViewPosition );\n#ifdef DOUBLE_SIDED\nnormal = normal * ( -1.0 + 2.0 * float( gl_FrontFacing ) );\n#endif\n#ifdef USE_NORMALMAP\nnormal = perturbNormal2Arb( -viewPosition, normal );\n#elif defined( USE_BUMPMAP )\nnormal = perturbNormalArb( -vViewPosition, normal, dHdxy_fwd() );\n#endif\n#if MAX_POINT_LIGHTS > 0\nvec3 pointDiffuse  = vec3( 0.0 );\nvec3 pointSpecular = vec3( 0.0 );\nfor ( int i = 0; i < MAX_POINT_LIGHTS; i ++ ) {\n#ifdef PHONG_PER_PIXEL\nvec4 lPosition = viewMatrix * vec4( pointLightPosition[ i ], 1.0 );\nvec3 lVector = lPosition.xyz + vViewPosition.xyz;\nfloat lDistance = 1.0;\nif ( pointLightDistance[ i ] > 0.0 )\nlDistance = 1.0 - min( ( length( lVector ) / pointLightDistance[ i ] ), 1.0 );\nlVector = normalize( lVector );\n#else\nvec3 lVector = normalize( vPointLight[ i ].xyz );\nfloat lDistance = vPointLight[ i ].w;\n#endif\nfloat dotProduct = dot( normal, lVector );\n#ifdef WRAP_AROUND\nfloat pointDiffuseWeightFull = max( dotProduct, 0.0 );\nfloat pointDiffuseWeightHalf = max( 0.5 * dotProduct + 0.5, 0.0 );\nvec3 pointDiffuseWeight = mix( vec3 ( pointDiffuseWeightFull ), vec3( pointDiffuseWeightHalf ), wrapRGB );\n#else\nfloat pointDiffuseWeight = max( dotProduct, 0.0 );\n#endif\npointDiffuse  += diffuse * pointLightColor[ i ] * pointDiffuseWeight * lDistance;\nvec3 pointHalfVector = normalize( lVector + viewPosition );\nfloat pointDotNormalHalf = max( dot( normal, pointHalfVector ), 0.0 );\nfloat pointSpecularWeight = specularStrength * max( pow( pointDotNormalHalf, shininess ), 0.0 );\n#ifdef PHYSICALLY_BASED_SHADING\nfloat specularNormalization = ( shininess + 2.0001 ) / 8.0;\nvec3 schlick = specular + vec3( 1.0 - specular ) * pow( 1.0 - dot( lVector, pointHalfVector ), 5.0 );\npointSpecular += schlick * pointLightColor[ i ] * pointSpecularWeight * pointDiffuseWeight * lDistance * specularNormalization;\n#else\npointSpecular += specular * pointLightColor[ i ] * pointSpecularWeight * pointDiffuseWeight * lDistance;\n#endif\n}\n#endif\n#if MAX_SPOT_LIGHTS > 0\nvec3 spotDiffuse  = vec3( 0.0 );\nvec3 spotSpecular = vec3( 0.0 );\nfor ( int i = 0; i < MAX_SPOT_LIGHTS; i ++ ) {\n#ifdef PHONG_PER_PIXEL\nvec4 lPosition = viewMatrix * vec4( spotLightPosition[ i ], 1.0 );\nvec3 lVector = lPosition.xyz + vViewPosition.xyz;\nfloat lDistance = 1.0;\nif ( spotLightDistance[ i ] > 0.0 )\nlDistance = 1.0 - min( ( length( lVector ) / spotLightDistance[ i ] ), 1.0 );\nlVector = normalize( lVector );\n#else\nvec3 lVector = normalize( vSpotLight[ i ].xyz );\nfloat lDistance = vSpotLight[ i ].w;\n#endif\nfloat spotEffect = dot( spotLightDirection[ i ], normalize( spotLightPosition[ i ] - vWorldPosition ) );\nif ( spotEffect > spotLightAngleCos[ i ] ) {\nspotEffect = max( pow( spotEffect, spotLightExponent[ i ] ), 0.0 );\nfloat dotProduct = dot( normal, lVector );\n#ifdef WRAP_AROUND\nfloat spotDiffuseWeightFull = max( dotProduct, 0.0 );\nfloat spotDiffuseWeightHalf = max( 0.5 * dotProduct + 0.5, 0.0 );\nvec3 spotDiffuseWeight = mix( vec3 ( spotDiffuseWeightFull ), vec3( spotDiffuseWeightHalf ), wrapRGB );\n#else\nfloat spotDiffuseWeight = max( dotProduct, 0.0 );\n#endif\nspotDiffuse += diffuse * spotLightColor[ i ] * spotDiffuseWeight * lDistance * spotEffect;\nvec3 spotHalfVector = normalize( lVector + viewPosition );\nfloat spotDotNormalHalf = max( dot( normal, spotHalfVector ), 0.0 );\nfloat spotSpecularWeight = specularStrength * max( pow( spotDotNormalHalf, shininess ), 0.0 );\n#ifdef PHYSICALLY_BASED_SHADING\nfloat specularNormalization = ( shininess + 2.0001 ) / 8.0;\nvec3 schlick = specular + vec3( 1.0 - specular ) * pow( 1.0 - dot( lVector, spotHalfVector ), 5.0 );\nspotSpecular += schlick * spotLightColor[ i ] * spotSpecularWeight * spotDiffuseWeight * lDistance * specularNormalization * spotEffect;\n#else\nspotSpecular += specular * spotLightColor[ i ] * spotSpecularWeight * spotDiffuseWeight * lDistance * spotEffect;\n#endif\n}\n}\n#endif\n#if MAX_DIR_LIGHTS > 0\nvec3 dirDiffuse  = vec3( 0.0 );\nvec3 dirSpecular = vec3( 0.0 );\nfor( int i = 0; i < MAX_DIR_LIGHTS; i ++ ) {\nvec4 lDirection = viewMatrix * vec4( directionalLightDirection[ i ], 0.0 );\nvec3 dirVector = normalize( lDirection.xyz );\nfloat dotProduct = dot( normal, dirVector );\n#ifdef WRAP_AROUND\nfloat dirDiffuseWeightFull = max( dotProduct, 0.0 );\nfloat dirDiffuseWeightHalf = max( 0.5 * dotProduct + 0.5, 0.0 );\nvec3 dirDiffuseWeight = mix( vec3( dirDiffuseWeightFull ), vec3( dirDiffuseWeightHalf ), wrapRGB );\n#else\nfloat dirDiffuseWeight = max( dotProduct, 0.0 );\n#endif\ndirDiffuse  += diffuse * directionalLightColor[ i ] * dirDiffuseWeight;\nvec3 dirHalfVector = normalize( dirVector + viewPosition );\nfloat dirDotNormalHalf = max( dot( normal, dirHalfVector ), 0.0 );\nfloat dirSpecularWeight = specularStrength * max( pow( dirDotNormalHalf, shininess ), 0.0 );\n#ifdef PHYSICALLY_BASED_SHADING\nfloat specularNormalization = ( shininess + 2.0001 ) / 8.0;\nvec3 schlick = specular + vec3( 1.0 - specular ) * pow( 1.0 - dot( dirVector, dirHalfVector ), 5.0 );\ndirSpecular += schlick * directionalLightColor[ i ] * dirSpecularWeight * dirDiffuseWeight * specularNormalization;\n#else\ndirSpecular += specular * directionalLightColor[ i ] * dirSpecularWeight * dirDiffuseWeight;\n#endif\n}\n#endif\n#if MAX_HEMI_LIGHTS > 0\nvec3 hemiDiffuse  = vec3( 0.0 );\nvec3 hemiSpecular = vec3( 0.0 );\nfor( int i = 0; i < MAX_HEMI_LIGHTS; i ++ ) {\nvec4 lDirection = viewMatrix * vec4( hemisphereLightDirection[ i ], 0.0 );\nvec3 lVector = normalize( lDirection.xyz );\nfloat dotProduct = dot( normal, lVector );\nfloat hemiDiffuseWeight = 0.5 * dotProduct + 0.5;\nvec3 hemiColor = mix( hemisphereLightGroundColor[ i ], hemisphereLightSkyColor[ i ], hemiDiffuseWeight );\nhemiDiffuse += diffuse * hemiColor;\nvec3 hemiHalfVectorSky = normalize( lVector + viewPosition );\nfloat hemiDotNormalHalfSky = 0.5 * dot( normal, hemiHalfVectorSky ) + 0.5;\nfloat hemiSpecularWeightSky = specularStrength * max( pow( hemiDotNormalHalfSky, shininess ), 0.0 );\nvec3 lVectorGround = -lVector;\nvec3 hemiHalfVectorGround = normalize( lVectorGround + viewPosition );\nfloat hemiDotNormalHalfGround = 0.5 * dot( normal, hemiHalfVectorGround ) + 0.5;\nfloat hemiSpecularWeightGround = specularStrength * max( pow( hemiDotNormalHalfGround, shininess ), 0.0 );\n#ifdef PHYSICALLY_BASED_SHADING\nfloat dotProductGround = dot( normal, lVectorGround );\nfloat specularNormalization = ( shininess + 2.0001 ) / 8.0;\nvec3 schlickSky = specular + vec3( 1.0 - specular ) * pow( 1.0 - dot( lVector, hemiHalfVectorSky ), 5.0 );\nvec3 schlickGround = specular + vec3( 1.0 - specular ) * pow( 1.0 - dot( lVectorGround, hemiHalfVectorGround ), 5.0 );\nhemiSpecular += hemiColor * specularNormalization * ( schlickSky * hemiSpecularWeightSky * max( dotProduct, 0.0 ) + schlickGround * hemiSpecularWeightGround * max( dotProductGround, 0.0 ) );\n#else\nhemiSpecular += specular * hemiColor * ( hemiSpecularWeightSky + hemiSpecularWeightGround ) * hemiDiffuseWeight;\n#endif\n}\n#endif\nvec3 totalDiffuse = vec3( 0.0 );\nvec3 totalSpecular = vec3( 0.0 );\n#if MAX_DIR_LIGHTS > 0\ntotalDiffuse += dirDiffuse;\ntotalSpecular += dirSpecular;\n#endif\n#if MAX_HEMI_LIGHTS > 0\ntotalDiffuse += hemiDiffuse;\ntotalSpecular += hemiSpecular;\n#endif\n#if MAX_POINT_LIGHTS > 0\ntotalDiffuse += pointDiffuse;\ntotalSpecular += pointSpecular;\n#endif\n#if MAX_SPOT_LIGHTS > 0\ntotalDiffuse += spotDiffuse;\ntotalSpecular += spotSpecular;\n#endif\n#ifdef METAL\ngl_FragColor.xyz = gl_FragColor.xyz * ( emissive + totalDiffuse + ambientLightColor * ambient + totalSpecular );\n#else\ngl_FragColor.xyz = gl_FragColor.xyz * ( emissive + totalDiffuse + ambientLightColor * ambient ) + totalSpecular;\n#endif",
-color_pars_fragment:"#ifdef USE_COLOR\nvarying vec3 vColor;\n#endif",color_fragment:"#ifdef USE_COLOR\ngl_FragColor = gl_FragColor * vec4( vColor, opacity );\n#endif",color_pars_vertex:"#ifdef USE_COLOR\nvarying vec3 vColor;\n#endif",color_vertex:"#ifdef USE_COLOR\n#ifdef GAMMA_INPUT\nvColor = color * color;\n#else\nvColor = color;\n#endif\n#endif",skinning_pars_vertex:"#ifdef USE_SKINNING\n#ifdef BONE_TEXTURE\nuniform sampler2D boneTexture;\nmat4 getBoneMatrix( const in float i ) {\nfloat j = i * 4.0;\nfloat x = mod( j, N_BONE_PIXEL_X );\nfloat y = floor( j / N_BONE_PIXEL_X );\nconst float dx = 1.0 / N_BONE_PIXEL_X;\nconst float dy = 1.0 / N_BONE_PIXEL_Y;\ny = dy * ( y + 0.5 );\nvec4 v1 = texture2D( boneTexture, vec2( dx * ( x + 0.5 ), y ) );\nvec4 v2 = texture2D( boneTexture, vec2( dx * ( x + 1.5 ), y ) );\nvec4 v3 = texture2D( boneTexture, vec2( dx * ( x + 2.5 ), y ) );\nvec4 v4 = texture2D( boneTexture, vec2( dx * ( x + 3.5 ), y ) );\nmat4 bone = mat4( v1, v2, v3, v4 );\nreturn bone;\n}\n#else\nuniform mat4 boneGlobalMatrices[ MAX_BONES ];\nmat4 getBoneMatrix( const in float i ) {\nmat4 bone = boneGlobalMatrices[ int(i) ];\nreturn bone;\n}\n#endif\n#endif",
-skinbase_vertex:"#ifdef USE_SKINNING\nmat4 boneMatX = getBoneMatrix( skinIndex.x );\nmat4 boneMatY = getBoneMatrix( skinIndex.y );\n#endif",skinning_vertex:"#ifdef USE_SKINNING\n#ifdef USE_MORPHTARGETS\nvec4 skinVertex = vec4( morphed, 1.0 );\n#else\nvec4 skinVertex = vec4( position, 1.0 );\n#endif\nvec4 skinned  = boneMatX * skinVertex * skinWeight.x;\nskinned \t  += boneMatY * skinVertex * skinWeight.y;\n#endif",morphtarget_pars_vertex:"#ifdef USE_MORPHTARGETS\n#ifndef USE_MORPHNORMALS\nuniform float morphTargetInfluences[ 8 ];\n#else\nuniform float morphTargetInfluences[ 4 ];\n#endif\n#endif",
-morphtarget_vertex:"#ifdef USE_MORPHTARGETS\nvec3 morphed = vec3( 0.0 );\nmorphed += ( morphTarget0 - position ) * morphTargetInfluences[ 0 ];\nmorphed += ( morphTarget1 - position ) * morphTargetInfluences[ 1 ];\nmorphed += ( morphTarget2 - position ) * morphTargetInfluences[ 2 ];\nmorphed += ( morphTarget3 - position ) * morphTargetInfluences[ 3 ];\n#ifndef USE_MORPHNORMALS\nmorphed += ( morphTarget4 - position ) * morphTargetInfluences[ 4 ];\nmorphed += ( morphTarget5 - position ) * morphTargetInfluences[ 5 ];\nmorphed += ( morphTarget6 - position ) * morphTargetInfluences[ 6 ];\nmorphed += ( morphTarget7 - position ) * morphTargetInfluences[ 7 ];\n#endif\nmorphed += position;\n#endif",
-default_vertex:"vec4 mvPosition;\n#ifdef USE_SKINNING\nmvPosition = modelViewMatrix * skinned;\n#endif\n#if !defined( USE_SKINNING ) && defined( USE_MORPHTARGETS )\nmvPosition = modelViewMatrix * vec4( morphed, 1.0 );\n#endif\n#if !defined( USE_SKINNING ) && ! defined( USE_MORPHTARGETS )\nmvPosition = modelViewMatrix * vec4( position, 1.0 );\n#endif\ngl_Position = projectionMatrix * mvPosition;",morphnormal_vertex:"#ifdef USE_MORPHNORMALS\nvec3 morphedNormal = vec3( 0.0 );\nmorphedNormal +=  ( morphNormal0 - normal ) * morphTargetInfluences[ 0 ];\nmorphedNormal +=  ( morphNormal1 - normal ) * morphTargetInfluences[ 1 ];\nmorphedNormal +=  ( morphNormal2 - normal ) * morphTargetInfluences[ 2 ];\nmorphedNormal +=  ( morphNormal3 - normal ) * morphTargetInfluences[ 3 ];\nmorphedNormal += normal;\n#endif",
-skinnormal_vertex:"#ifdef USE_SKINNING\nmat4 skinMatrix = skinWeight.x * boneMatX;\nskinMatrix \t+= skinWeight.y * boneMatY;\n#ifdef USE_MORPHNORMALS\nvec4 skinnedNormal = skinMatrix * vec4( morphedNormal, 0.0 );\n#else\nvec4 skinnedNormal = skinMatrix * vec4( normal, 0.0 );\n#endif\n#endif",defaultnormal_vertex:"vec3 objectNormal;\n#ifdef USE_SKINNING\nobjectNormal = skinnedNormal.xyz;\n#endif\n#if !defined( USE_SKINNING ) && defined( USE_MORPHNORMALS )\nobjectNormal = morphedNormal;\n#endif\n#if !defined( USE_SKINNING ) && ! defined( USE_MORPHNORMALS )\nobjectNormal = normal;\n#endif\n#ifdef FLIP_SIDED\nobjectNormal = -objectNormal;\n#endif\nvec3 transformedNormal = normalMatrix * objectNormal;",
-shadowmap_pars_fragment:"#ifdef USE_SHADOWMAP\nuniform sampler2D shadowMap[ MAX_SHADOWS ];\nuniform vec2 shadowMapSize[ MAX_SHADOWS ];\nuniform float shadowDarkness[ MAX_SHADOWS ];\nuniform float shadowBias[ MAX_SHADOWS ];\nvarying vec4 vShadowCoord[ MAX_SHADOWS ];\nfloat unpackDepth( const in vec4 rgba_depth ) {\nconst vec4 bit_shift = vec4( 1.0 / ( 256.0 * 256.0 * 256.0 ), 1.0 / ( 256.0 * 256.0 ), 1.0 / 256.0, 1.0 );\nfloat depth = dot( rgba_depth, bit_shift );\nreturn depth;\n}\n#endif",shadowmap_fragment:"#ifdef USE_SHADOWMAP\n#ifdef SHADOWMAP_DEBUG\nvec3 frustumColors[3];\nfrustumColors[0] = vec3( 1.0, 0.5, 0.0 );\nfrustumColors[1] = vec3( 0.0, 1.0, 0.8 );\nfrustumColors[2] = vec3( 0.0, 0.5, 1.0 );\n#endif\n#ifdef SHADOWMAP_CASCADE\nint inFrustumCount = 0;\n#endif\nfloat fDepth;\nvec3 shadowColor = vec3( 1.0 );\nfor( int i = 0; i < MAX_SHADOWS; i ++ ) {\nvec3 shadowCoord = vShadowCoord[ i ].xyz / vShadowCoord[ i ].w;\nbvec4 inFrustumVec = bvec4 ( shadowCoord.x >= 0.0, shadowCoord.x <= 1.0, shadowCoord.y >= 0.0, shadowCoord.y <= 1.0 );\nbool inFrustum = all( inFrustumVec );\n#ifdef SHADOWMAP_CASCADE\ninFrustumCount += int( inFrustum );\nbvec3 frustumTestVec = bvec3( inFrustum, inFrustumCount == 1, shadowCoord.z <= 1.0 );\n#else\nbvec2 frustumTestVec = bvec2( inFrustum, shadowCoord.z <= 1.0 );\n#endif\nbool frustumTest = all( frustumTestVec );\nif ( frustumTest ) {\nshadowCoord.z += shadowBias[ i ];\n#ifdef SHADOWMAP_SOFT\nfloat shadow = 0.0;\nconst float shadowDelta = 1.0 / 9.0;\nfloat xPixelOffset = 1.0 / shadowMapSize[ i ].x;\nfloat yPixelOffset = 1.0 / shadowMapSize[ i ].y;\nfloat dx0 = -1.25 * xPixelOffset;\nfloat dy0 = -1.25 * yPixelOffset;\nfloat dx1 = 1.25 * xPixelOffset;\nfloat dy1 = 1.25 * yPixelOffset;\nfDepth = unpackDepth( texture2D( shadowMap[ i ], shadowCoord.xy + vec2( dx0, dy0 ) ) );\nif ( fDepth < shadowCoord.z ) shadow += shadowDelta;\nfDepth = unpackDepth( texture2D( shadowMap[ i ], shadowCoord.xy + vec2( 0.0, dy0 ) ) );\nif ( fDepth < shadowCoord.z ) shadow += shadowDelta;\nfDepth = unpackDepth( texture2D( shadowMap[ i ], shadowCoord.xy + vec2( dx1, dy0 ) ) );\nif ( fDepth < shadowCoord.z ) shadow += shadowDelta;\nfDepth = unpackDepth( texture2D( shadowMap[ i ], shadowCoord.xy + vec2( dx0, 0.0 ) ) );\nif ( fDepth < shadowCoord.z ) shadow += shadowDelta;\nfDepth = unpackDepth( texture2D( shadowMap[ i ], shadowCoord.xy ) );\nif ( fDepth < shadowCoord.z ) shadow += shadowDelta;\nfDepth = unpackDepth( texture2D( shadowMap[ i ], shadowCoord.xy + vec2( dx1, 0.0 ) ) );\nif ( fDepth < shadowCoord.z ) shadow += shadowDelta;\nfDepth = unpackDepth( texture2D( shadowMap[ i ], shadowCoord.xy + vec2( dx0, dy1 ) ) );\nif ( fDepth < shadowCoord.z ) shadow += shadowDelta;\nfDepth = unpackDepth( texture2D( shadowMap[ i ], shadowCoord.xy + vec2( 0.0, dy1 ) ) );\nif ( fDepth < shadowCoord.z ) shadow += shadowDelta;\nfDepth = unpackDepth( texture2D( shadowMap[ i ], shadowCoord.xy + vec2( dx1, dy1 ) ) );\nif ( fDepth < shadowCoord.z ) shadow += shadowDelta;\nshadowColor = shadowColor * vec3( ( 1.0 - shadowDarkness[ i ] * shadow ) );\n#else\nvec4 rgbaDepth = texture2D( shadowMap[ i ], shadowCoord.xy );\nfloat fDepth = unpackDepth( rgbaDepth );\nif ( fDepth < shadowCoord.z )\nshadowColor = shadowColor * vec3( 1.0 - shadowDarkness[ i ] );\n#endif\n}\n#ifdef SHADOWMAP_DEBUG\n#ifdef SHADOWMAP_CASCADE\nif ( inFrustum && inFrustumCount == 1 ) gl_FragColor.xyz *= frustumColors[ i ];\n#else\nif ( inFrustum ) gl_FragColor.xyz *= frustumColors[ i ];\n#endif\n#endif\n}\n#ifdef GAMMA_OUTPUT\nshadowColor *= shadowColor;\n#endif\ngl_FragColor.xyz = gl_FragColor.xyz * shadowColor;\n#endif",
-shadowmap_pars_vertex:"#ifdef USE_SHADOWMAP\nvarying vec4 vShadowCoord[ MAX_SHADOWS ];\nuniform mat4 shadowMatrix[ MAX_SHADOWS ];\n#endif",shadowmap_vertex:"#ifdef USE_SHADOWMAP\nfor( int i = 0; i < MAX_SHADOWS; i ++ ) {\nvShadowCoord[ i ] = shadowMatrix[ i ] * worldPosition;\n}\n#endif",alphatest_fragment:"#ifdef ALPHATEST\nif ( gl_FragColor.a < ALPHATEST ) discard;\n#endif",linear_to_gamma_fragment:"#ifdef GAMMA_OUTPUT\ngl_FragColor.xyz = sqrt( gl_FragColor.xyz );\n#endif"};
-THREE.UniformsUtils={merge:function(a){var b,c,d,e={};for(b=0;b<a.length;b++)for(c in d=this.clone(a[b]),d)e[c]=d[c];return e},clone:function(a){var b,c,d,e={};for(b in a)for(c in e[b]={},a[b])d=a[b][c],e[b][c]=d instanceof THREE.Color||d instanceof THREE.Vector2||d instanceof THREE.Vector3||d instanceof THREE.Vector4||d instanceof THREE.Matrix4||d instanceof THREE.Texture?d.clone():d instanceof Array?d.slice():d;return e}};
-THREE.UniformsLib={common:{diffuse:{type:"c",value:new THREE.Color(15658734)},opacity:{type:"f",value:1},map:{type:"t",value:null},offsetRepeat:{type:"v4",value:new THREE.Vector4(0,0,1,1)},lightMap:{type:"t",value:null},specularMap:{type:"t",value:null},envMap:{type:"t",value:null},flipEnvMap:{type:"f",value:-1},useRefract:{type:"i",value:0},reflectivity:{type:"f",value:1},refractionRatio:{type:"f",value:0.98},combine:{type:"i",value:0},morphTargetInfluences:{type:"f",value:0}},bump:{bumpMap:{type:"t",
-value:null},bumpScale:{type:"f",value:1}},normalmap:{normalMap:{type:"t",value:null},normalScale:{type:"v2",value:new THREE.Vector2(1,1)}},fog:{fogDensity:{type:"f",value:2.5E-4},fogNear:{type:"f",value:1},fogFar:{type:"f",value:2E3},fogColor:{type:"c",value:new THREE.Color(16777215)}},lights:{ambientLightColor:{type:"fv",value:[]},directionalLightDirection:{type:"fv",value:[]},directionalLightColor:{type:"fv",value:[]},hemisphereLightDirection:{type:"fv",value:[]},hemisphereLightSkyColor:{type:"fv",
-value:[]},hemisphereLightGroundColor:{type:"fv",value:[]},pointLightColor:{type:"fv",value:[]},pointLightPosition:{type:"fv",value:[]},pointLightDistance:{type:"fv1",value:[]},spotLightColor:{type:"fv",value:[]},spotLightPosition:{type:"fv",value:[]},spotLightDirection:{type:"fv",value:[]},spotLightDistance:{type:"fv1",value:[]},spotLightAngleCos:{type:"fv1",value:[]},spotLightExponent:{type:"fv1",value:[]}},particle:{psColor:{type:"c",value:new THREE.Color(15658734)},opacity:{type:"f",value:1},size:{type:"f",
-value:1},scale:{type:"f",value:1},map:{type:"t",value:null},fogDensity:{type:"f",value:2.5E-4},fogNear:{type:"f",value:1},fogFar:{type:"f",value:2E3},fogColor:{type:"c",value:new THREE.Color(16777215)}},shadowmap:{shadowMap:{type:"tv",value:[]},shadowMapSize:{type:"v2v",value:[]},shadowBias:{type:"fv1",value:[]},shadowDarkness:{type:"fv1",value:[]},shadowMatrix:{type:"m4v",value:[]}}};
-THREE.ShaderLib={depth:{uniforms:{mNear:{type:"f",value:1},mFar:{type:"f",value:2E3},opacity:{type:"f",value:1}},vertexShader:"void main() {\ngl_Position = projectionMatrix * modelViewMatrix * vec4( position, 1.0 );\n}",fragmentShader:"uniform float mNear;\nuniform float mFar;\nuniform float opacity;\nvoid main() {\nfloat depth = gl_FragCoord.z / gl_FragCoord.w;\nfloat color = 1.0 - smoothstep( mNear, mFar, depth );\ngl_FragColor = vec4( vec3( color ), opacity );\n}"},normal:{uniforms:{opacity:{type:"f",
-value:1}},vertexShader:"varying vec3 vNormal;\nvoid main() {\nvec4 mvPosition = modelViewMatrix * vec4( position, 1.0 );\nvNormal = normalize( normalMatrix * normal );\ngl_Position = projectionMatrix * mvPosition;\n}",fragmentShader:"uniform float opacity;\nvarying vec3 vNormal;\nvoid main() {\ngl_FragColor = vec4( 0.5 * normalize( vNormal ) + 0.5, opacity );\n}"},basic:{uniforms:THREE.UniformsUtils.merge([THREE.UniformsLib.common,THREE.UniformsLib.fog,THREE.UniformsLib.shadowmap]),vertexShader:[THREE.ShaderChunk.map_pars_vertex,
-THREE.ShaderChunk.lightmap_pars_vertex,THREE.ShaderChunk.envmap_pars_vertex,THREE.ShaderChunk.color_pars_vertex,THREE.ShaderChunk.morphtarget_pars_vertex,THREE.ShaderChunk.skinning_pars_vertex,THREE.ShaderChunk.shadowmap_pars_vertex,"void main() {",THREE.ShaderChunk.map_vertex,THREE.ShaderChunk.lightmap_vertex,THREE.ShaderChunk.color_vertex,"#ifdef USE_ENVMAP",THREE.ShaderChunk.morphnormal_vertex,THREE.ShaderChunk.skinbase_vertex,THREE.ShaderChunk.skinnormal_vertex,THREE.ShaderChunk.defaultnormal_vertex,
-"#endif",THREE.ShaderChunk.morphtarget_vertex,THREE.ShaderChunk.skinning_vertex,THREE.ShaderChunk.default_vertex,THREE.ShaderChunk.worldpos_vertex,THREE.ShaderChunk.envmap_vertex,THREE.ShaderChunk.shadowmap_vertex,"}"].join("\n"),fragmentShader:["uniform vec3 diffuse;\nuniform float opacity;",THREE.ShaderChunk.color_pars_fragment,THREE.ShaderChunk.map_pars_fragment,THREE.ShaderChunk.lightmap_pars_fragment,THREE.ShaderChunk.envmap_pars_fragment,THREE.ShaderChunk.fog_pars_fragment,THREE.ShaderChunk.shadowmap_pars_fragment,
-THREE.ShaderChunk.specularmap_pars_fragment,"void main() {\ngl_FragColor = vec4( diffuse, opacity );",THREE.ShaderChunk.map_fragment,THREE.ShaderChunk.alphatest_fragment,THREE.ShaderChunk.specularmap_fragment,THREE.ShaderChunk.lightmap_fragment,THREE.ShaderChunk.color_fragment,THREE.ShaderChunk.envmap_fragment,THREE.ShaderChunk.shadowmap_fragment,THREE.ShaderChunk.linear_to_gamma_fragment,THREE.ShaderChunk.fog_fragment,"}"].join("\n")},lambert:{uniforms:THREE.UniformsUtils.merge([THREE.UniformsLib.common,
-THREE.UniformsLib.fog,THREE.UniformsLib.lights,THREE.UniformsLib.shadowmap,{ambient:{type:"c",value:new THREE.Color(16777215)},emissive:{type:"c",value:new THREE.Color(0)},wrapRGB:{type:"v3",value:new THREE.Vector3(1,1,1)}}]),vertexShader:["#define LAMBERT\nvarying vec3 vLightFront;\n#ifdef DOUBLE_SIDED\nvarying vec3 vLightBack;\n#endif",THREE.ShaderChunk.map_pars_vertex,THREE.ShaderChunk.lightmap_pars_vertex,THREE.ShaderChunk.envmap_pars_vertex,THREE.ShaderChunk.lights_lambert_pars_vertex,THREE.ShaderChunk.color_pars_vertex,
-THREE.ShaderChunk.morphtarget_pars_vertex,THREE.ShaderChunk.skinning_pars_vertex,THREE.ShaderChunk.shadowmap_pars_vertex,"void main() {",THREE.ShaderChunk.map_vertex,THREE.ShaderChunk.lightmap_vertex,THREE.ShaderChunk.color_vertex,THREE.ShaderChunk.morphnormal_vertex,THREE.ShaderChunk.skinbase_vertex,THREE.ShaderChunk.skinnormal_vertex,THREE.ShaderChunk.defaultnormal_vertex,THREE.ShaderChunk.morphtarget_vertex,THREE.ShaderChunk.skinning_vertex,THREE.ShaderChunk.default_vertex,THREE.ShaderChunk.worldpos_vertex,
-THREE.ShaderChunk.envmap_vertex,THREE.ShaderChunk.lights_lambert_vertex,THREE.ShaderChunk.shadowmap_vertex,"}"].join("\n"),fragmentShader:["uniform float opacity;\nvarying vec3 vLightFront;\n#ifdef DOUBLE_SIDED\nvarying vec3 vLightBack;\n#endif",THREE.ShaderChunk.color_pars_fragment,THREE.ShaderChunk.map_pars_fragment,THREE.ShaderChunk.lightmap_pars_fragment,THREE.ShaderChunk.envmap_pars_fragment,THREE.ShaderChunk.fog_pars_fragment,THREE.ShaderChunk.shadowmap_pars_fragment,THREE.ShaderChunk.specularmap_pars_fragment,
-"void main() {\ngl_FragColor = vec4( vec3 ( 1.0 ), opacity );",THREE.ShaderChunk.map_fragment,THREE.ShaderChunk.alphatest_fragment,THREE.ShaderChunk.specularmap_fragment,"#ifdef DOUBLE_SIDED\nif ( gl_FrontFacing )\ngl_FragColor.xyz *= vLightFront;\nelse\ngl_FragColor.xyz *= vLightBack;\n#else\ngl_FragColor.xyz *= vLightFront;\n#endif",THREE.ShaderChunk.lightmap_fragment,THREE.ShaderChunk.color_fragment,THREE.ShaderChunk.envmap_fragment,THREE.ShaderChunk.shadowmap_fragment,THREE.ShaderChunk.linear_to_gamma_fragment,
-THREE.ShaderChunk.fog_fragment,"}"].join("\n")},phong:{uniforms:THREE.UniformsUtils.merge([THREE.UniformsLib.common,THREE.UniformsLib.bump,THREE.UniformsLib.normalmap,THREE.UniformsLib.fog,THREE.UniformsLib.lights,THREE.UniformsLib.shadowmap,{ambient:{type:"c",value:new THREE.Color(16777215)},emissive:{type:"c",value:new THREE.Color(0)},specular:{type:"c",value:new THREE.Color(1118481)},shininess:{type:"f",value:30},wrapRGB:{type:"v3",value:new THREE.Vector3(1,1,1)}}]),vertexShader:["#define PHONG\nvarying vec3 vViewPosition;\nvarying vec3 vNormal;",
-THREE.ShaderChunk.map_pars_vertex,THREE.ShaderChunk.lightmap_pars_vertex,THREE.ShaderChunk.envmap_pars_vertex,THREE.ShaderChunk.lights_phong_pars_vertex,THREE.ShaderChunk.color_pars_vertex,THREE.ShaderChunk.morphtarget_pars_vertex,THREE.ShaderChunk.skinning_pars_vertex,THREE.ShaderChunk.shadowmap_pars_vertex,"void main() {",THREE.ShaderChunk.map_vertex,THREE.ShaderChunk.lightmap_vertex,THREE.ShaderChunk.color_vertex,THREE.ShaderChunk.morphnormal_vertex,THREE.ShaderChunk.skinbase_vertex,THREE.ShaderChunk.skinnormal_vertex,
-THREE.ShaderChunk.defaultnormal_vertex,"vNormal = normalize( transformedNormal );",THREE.ShaderChunk.morphtarget_vertex,THREE.ShaderChunk.skinning_vertex,THREE.ShaderChunk.default_vertex,"vViewPosition = -mvPosition.xyz;",THREE.ShaderChunk.worldpos_vertex,THREE.ShaderChunk.envmap_vertex,THREE.ShaderChunk.lights_phong_vertex,THREE.ShaderChunk.shadowmap_vertex,"}"].join("\n"),fragmentShader:["uniform vec3 diffuse;\nuniform float opacity;\nuniform vec3 ambient;\nuniform vec3 emissive;\nuniform vec3 specular;\nuniform float shininess;",
-THREE.ShaderChunk.color_pars_fragment,THREE.ShaderChunk.map_pars_fragment,THREE.ShaderChunk.lightmap_pars_fragment,THREE.ShaderChunk.envmap_pars_fragment,THREE.ShaderChunk.fog_pars_fragment,THREE.ShaderChunk.lights_phong_pars_fragment,THREE.ShaderChunk.shadowmap_pars_fragment,THREE.ShaderChunk.bumpmap_pars_fragment,THREE.ShaderChunk.normalmap_pars_fragment,THREE.ShaderChunk.specularmap_pars_fragment,"void main() {\ngl_FragColor = vec4( vec3 ( 1.0 ), opacity );",THREE.ShaderChunk.map_fragment,THREE.ShaderChunk.alphatest_fragment,
-THREE.ShaderChunk.specularmap_fragment,THREE.ShaderChunk.lights_phong_fragment,THREE.ShaderChunk.lightmap_fragment,THREE.ShaderChunk.color_fragment,THREE.ShaderChunk.envmap_fragment,THREE.ShaderChunk.shadowmap_fragment,THREE.ShaderChunk.linear_to_gamma_fragment,THREE.ShaderChunk.fog_fragment,"}"].join("\n")},particle_basic:{uniforms:THREE.UniformsUtils.merge([THREE.UniformsLib.particle,THREE.UniformsLib.shadowmap]),vertexShader:["uniform float size;\nuniform float scale;",THREE.ShaderChunk.color_pars_vertex,
-THREE.ShaderChunk.shadowmap_pars_vertex,"void main() {",THREE.ShaderChunk.color_vertex,"vec4 mvPosition = modelViewMatrix * vec4( position, 1.0 );\n#ifdef USE_SIZEATTENUATION\ngl_PointSize = size * ( scale / length( mvPosition.xyz ) );\n#else\ngl_PointSize = size;\n#endif\ngl_Position = projectionMatrix * mvPosition;",THREE.ShaderChunk.worldpos_vertex,THREE.ShaderChunk.shadowmap_vertex,"}"].join("\n"),fragmentShader:["uniform vec3 psColor;\nuniform float opacity;",THREE.ShaderChunk.color_pars_fragment,
-THREE.ShaderChunk.map_particle_pars_fragment,THREE.ShaderChunk.fog_pars_fragment,THREE.ShaderChunk.shadowmap_pars_fragment,"void main() {\ngl_FragColor = vec4( psColor, opacity );",THREE.ShaderChunk.map_particle_fragment,THREE.ShaderChunk.alphatest_fragment,THREE.ShaderChunk.color_fragment,THREE.ShaderChunk.shadowmap_fragment,THREE.ShaderChunk.fog_fragment,"}"].join("\n")},dashed:{uniforms:THREE.UniformsUtils.merge([THREE.UniformsLib.common,THREE.UniformsLib.fog,{scale:{type:"f",value:1},dashSize:{type:"f",
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-THREE.WebGLRenderer=function(a){function b(a){if(a.__webglCustomAttributesList)for(var b in a.__webglCustomAttributesList)r.deleteBuffer(a.__webglCustomAttributesList[b].buffer)}function c(a,b){var c=a.vertices.length,d=b.material;if(d.attributes){void 0===a.__webglCustomAttributesList&&(a.__webglCustomAttributesList=[]);for(var e in d.attributes){var f=d.attributes[e];if(!f.__webglInitialized||f.createUniqueBuffers){f.__webglInitialized=!0;var g=1;"v2"===f.type?g=2:"v3"===f.type?g=3:"v4"===f.type?
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-k.emissive.value.copyGammaToLinear(d.emissive)):(k.ambient.value=d.ambient,k.emissive.value=d.emissive),d.wrapAround&&k.wrapRGB.value.copy(d.wrapRGB)):d instanceof THREE.MeshDepthMaterial?(k.mNear.value=a.near,k.mFar.value=a.far,k.opacity.value=d.opacity):d instanceof THREE.MeshNormalMaterial&&(k.opacity.value=d.opacity);if(e.receiveShadow&&!d._shadowPass&&k.shadowMatrix)for(c=Y=0,f=b.length;c<f;c++)l=b[c],l.castShadow&&(l instanceof THREE.SpotLight||l instanceof THREE.DirectionalLight&&!l.shadowCascade)&&
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-m)r.uniform3f(f,l.r,l.g,l.b);else if("iv1"===m)r.uniform1iv(f,l);else if("iv"===m)r.uniform3iv(f,l);else if("fv1"===m)r.uniform1fv(f,l);else if("fv"===m)r.uniform3fv(f,l);else if("v2v"===m){void 0===c._array&&(c._array=new Float32Array(2*l.length));m=0;for(q=l.length;m<q;m++)s=2*m,c._array[s]=l[m].x,c._array[s+1]=l[m].y;r.uniform2fv(f,c._array)}else if("v3v"===m){void 0===c._array&&(c._array=new Float32Array(3*l.length));m=0;for(q=l.length;m<q;m++)s=3*m,c._array[s]=l[m].x,c._array[s+1]=l[m].y,c._array[s+
-2]=l[m].z;r.uniform3fv(f,c._array)}else if("v4v"===m){void 0===c._array&&(c._array=new Float32Array(4*l.length));m=0;for(q=l.length;m<q;m++)s=4*m,c._array[s]=l[m].x,c._array[s+1]=l[m].y,c._array[s+2]=l[m].z,c._array[s+3]=l[m].w;r.uniform4fv(f,c._array)}else if("m4"===m)void 0===c._array&&(c._array=new Float32Array(16)),l.flattenToArray(c._array),r.uniformMatrix4fv(f,!1,c._array);else if("m4v"===m){void 0===c._array&&(c._array=new Float32Array(16*l.length));m=0;for(q=l.length;m<q;m++)l[m].flattenToArrayOffset(c._array,
-16*m);r.uniformMatrix4fv(f,!1,c._array)}else if("t"===m){if(s=l,l=z(),r.uniform1i(f,l),s)if(s.image instanceof Array&&6===s.image.length){if(c=s,f=l,6===c.image.length)if(c.needsUpdate){c.image.__webglTextureCube||(c.image.__webglTextureCube=r.createTexture());r.activeTexture(r.TEXTURE0+f);r.bindTexture(r.TEXTURE_CUBE_MAP,c.image.__webglTextureCube);r.pixelStorei(r.UNPACK_FLIP_Y_WEBGL,c.flipY);f=c instanceof THREE.CompressedTexture;l=[];for(m=0;6>m;m++)Q.autoScaleCubemaps&&!f?(q=l,s=m,w=c.image[m],
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-m,0,s,s,w,l[m]);c.generateMipmaps&&q&&r.generateMipmap(r.TEXTURE_CUBE_MAP);c.needsUpdate=!1;if(c.onUpdate)c.onUpdate()}else r.activeTexture(r.TEXTURE0+f),r.bindTexture(r.TEXTURE_CUBE_MAP,c.image.__webglTextureCube)}else s instanceof THREE.WebGLRenderTargetCube?(c=s,r.activeTexture(r.TEXTURE0+l),r.bindTexture(r.TEXTURE_CUBE_MAP,c.__webglTexture)):Q.setTexture(s,l)}else if("tv"===m){void 0===c._array&&(c._array=[]);m=0;for(q=c.value.length;m<q;m++)c._array[m]=z();r.uniform1iv(f,c._array);m=0;for(q=
-c.value.length;m<q;m++)s=c.value[m],l=c._array[m],s&&Q.setTexture(s,l)}(d instanceof THREE.ShaderMaterial||d instanceof THREE.MeshPhongMaterial||d.envMap)&&null!==h.cameraPosition&&(b=a.matrixWorld.getPosition(),r.uniform3f(h.cameraPosition,b.x,b.y,b.z));(d instanceof THREE.MeshPhongMaterial||d instanceof THREE.MeshLambertMaterial||d instanceof THREE.ShaderMaterial||d.skinning)&&null!==h.viewMatrix&&r.uniformMatrix4fv(h.viewMatrix,!1,a._viewMatrixArray)}r.uniformMatrix4fv(h.modelViewMatrix,!1,e._modelViewMatrix.elements);
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-d;a[b+2]=c.b*c.b*d}function J(a,b,c,d){a[b]=c.r*d;a[b+1]=c.g*d;a[b+2]=c.b*d}function F(a,b,c){Jb!==a&&(a?r.enable(r.POLYGON_OFFSET_FILL):r.disable(r.POLYGON_OFFSET_FILL),Jb=a);!a||Hb===b&&lb===c||(r.polygonOffset(b,c),Hb=b,lb=c)}function K(a){a=a.split("\n");for(var b=0,c=a.length;b<c;b++)a[b]=b+1+": "+a[b];return a.join("\n")}function L(a,b){var c;"fragment"===a?c=r.createShader(r.FRAGMENT_SHADER):"vertex"===a&&(c=r.createShader(r.VERTEX_SHADER));r.shaderSource(c,b);r.compileShader(c);return r.getShaderParameter(c,
-r.COMPILE_STATUS)?c:(console.error(r.getShaderInfoLog(c)),console.error(K(b)),null)}function H(a){return 0===(a&a-1)}function T(a,b,c){c?(r.texParameteri(a,r.TEXTURE_WRAP_S,O(b.wrapS)),r.texParameteri(a,r.TEXTURE_WRAP_T,O(b.wrapT)),r.texParameteri(a,r.TEXTURE_MAG_FILTER,O(b.magFilter)),r.texParameteri(a,r.TEXTURE_MIN_FILTER,O(b.minFilter))):(r.texParameteri(a,r.TEXTURE_WRAP_S,r.CLAMP_TO_EDGE),r.texParameteri(a,r.TEXTURE_WRAP_T,r.CLAMP_TO_EDGE),r.texParameteri(a,r.TEXTURE_MAG_FILTER,m(b.magFilter)),
-r.texParameteri(a,r.TEXTURE_MIN_FILTER,m(b.minFilter)));tb&&b.type!==THREE.FloatType&&(1<b.anisotropy||b.__oldAnisotropy)&&(r.texParameterf(a,tb.TEXTURE_MAX_ANISOTROPY_EXT,Math.min(b.anisotropy,oc)),b.__oldAnisotropy=b.anisotropy)}function R(a,b){r.bindRenderbuffer(r.RENDERBUFFER,a);b.depthBuffer&&!b.stencilBuffer?(r.renderbufferStorage(r.RENDERBUFFER,r.DEPTH_COMPONENT16,b.width,b.height),r.framebufferRenderbuffer(r.FRAMEBUFFER,r.DEPTH_ATTACHMENT,r.RENDERBUFFER,a)):b.depthBuffer&&b.stencilBuffer?
-(r.renderbufferStorage(r.RENDERBUFFER,r.DEPTH_STENCIL,b.width,b.height),r.framebufferRenderbuffer(r.FRAMEBUFFER,r.DEPTH_STENCIL_ATTACHMENT,r.RENDERBUFFER,a)):r.renderbufferStorage(r.RENDERBUFFER,r.RGBA4,b.width,b.height)}function m(a){return a===THREE.NearestFilter||a===THREE.NearestMipMapNearestFilter||a===THREE.NearestMipMapLinearFilter?r.NEAREST:r.LINEAR}function O(a){if(a===THREE.RepeatWrapping)return r.REPEAT;if(a===THREE.ClampToEdgeWrapping)return r.CLAMP_TO_EDGE;if(a===THREE.MirroredRepeatWrapping)return r.MIRRORED_REPEAT;
-if(a===THREE.NearestFilter)return r.NEAREST;if(a===THREE.NearestMipMapNearestFilter)return r.NEAREST_MIPMAP_NEAREST;if(a===THREE.NearestMipMapLinearFilter)return r.NEAREST_MIPMAP_LINEAR;if(a===THREE.LinearFilter)return r.LINEAR;if(a===THREE.LinearMipMapNearestFilter)return r.LINEAR_MIPMAP_NEAREST;if(a===THREE.LinearMipMapLinearFilter)return r.LINEAR_MIPMAP_LINEAR;if(a===THREE.UnsignedByteType)return r.UNSIGNED_BYTE;if(a===THREE.UnsignedShort4444Type)return r.UNSIGNED_SHORT_4_4_4_4;if(a===THREE.UnsignedShort5551Type)return r.UNSIGNED_SHORT_5_5_5_1;
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-if(a===THREE.AddEquation)return r.FUNC_ADD;if(a===THREE.SubtractEquation)return r.FUNC_SUBTRACT;if(a===THREE.ReverseSubtractEquation)return r.FUNC_REVERSE_SUBTRACT;if(a===THREE.ZeroFactor)return r.ZERO;if(a===THREE.OneFactor)return r.ONE;if(a===THREE.SrcColorFactor)return r.SRC_COLOR;if(a===THREE.OneMinusSrcColorFactor)return r.ONE_MINUS_SRC_COLOR;if(a===THREE.SrcAlphaFactor)return r.SRC_ALPHA;if(a===THREE.OneMinusSrcAlphaFactor)return r.ONE_MINUS_SRC_ALPHA;if(a===THREE.DstAlphaFactor)return r.DST_ALPHA;
-if(a===THREE.OneMinusDstAlphaFactor)return r.ONE_MINUS_DST_ALPHA;if(a===THREE.DstColorFactor)return r.DST_COLOR;if(a===THREE.OneMinusDstColorFactor)return r.ONE_MINUS_DST_COLOR;if(a===THREE.SrcAlphaSaturateFactor)return r.SRC_ALPHA_SATURATE;if(void 0!==zb){if(a===THREE.RGB_S3TC_DXT1_Format)return zb.COMPRESSED_RGB_S3TC_DXT1_EXT;if(a===THREE.RGBA_S3TC_DXT1_Format)return zb.COMPRESSED_RGBA_S3TC_DXT1_EXT;if(a===THREE.RGBA_S3TC_DXT3_Format)return zb.COMPRESSED_RGBA_S3TC_DXT3_EXT;if(a===THREE.RGBA_S3TC_DXT5_Format)return zb.COMPRESSED_RGBA_S3TC_DXT5_EXT}return 0}
-console.log("THREE.WebGLRenderer",THREE.REVISION);a=a||{};var W=void 0!==a.canvas?a.canvas:document.createElement("canvas"),P=void 0!==a.precision?a.precision:"highp",ha=void 0!==a.alpha?a.alpha:!0,ca=void 0!==a.premultipliedAlpha?a.premultipliedAlpha:!0,oa=void 0!==a.antialias?a.antialias:!1,S=void 0!==a.stencil?a.stencil:!0,Da=void 0!==a.preserveDrawingBuffer?a.preserveDrawingBuffer:!1,N=void 0!==a.clearColor?new THREE.Color(a.clearColor):new THREE.Color(0),da=void 0!==a.clearAlpha?a.clearAlpha:
-0;this.domElement=W;this.context=null;this.autoUpdateScene=this.autoUpdateObjects=this.sortObjects=this.autoClearStencil=this.autoClearDepth=this.autoClearColor=this.autoClear=!0;this.shadowMapEnabled=this.physicallyBasedShading=this.gammaOutput=this.gammaInput=!1;this.shadowMapCullFrontFaces=this.shadowMapSoft=this.shadowMapAutoUpdate=!0;this.shadowMapCascade=this.shadowMapDebug=!1;this.maxMorphTargets=8;this.maxMorphNormals=4;this.autoScaleCubemaps=!0;this.renderPluginsPre=[];this.renderPluginsPost=
-[];this.info={memory:{programs:0,geometries:0,textures:0},render:{calls:0,vertices:0,faces:0,points:0}};var Q=this,U=[],ia=0,ba=null,ga=null,ea=-1,V=null,ka=null,ta=0,ma=0,pa=-1,Ga=-1,Aa=-1,ua=-1,ob=-1,jb=-1,eb=-1,kb=-1,Jb=null,Hb=null,lb=null,za=null,va=0,fb=0,Ha=0,qb=0,Za=0,Ia=0,gb=new THREE.Frustum,$a=new THREE.Matrix4,rb=new THREE.Matrix4,Ba=new THREE.Vector4,wa=new THREE.Vector3,sb=!0,Qa={ambient:[0,0,0],directional:{length:0,colors:[],positions:[]},point:{length:0,colors:[],positions:[],distances:[]},
-spot:{length:0,colors:[],positions:[],distances:[],directions:[],anglesCos:[],exponents:[]},hemi:{length:0,skyColors:[],groundColors:[],positions:[]}},r,tb,zb;try{if(!(r=W.getContext("experimental-webgl",{alpha:ha,premultipliedAlpha:ca,antialias:oa,stencil:S,preserveDrawingBuffer:Da})))throw"Error creating WebGL context.";}catch(vc){console.error(vc)}a=r.getExtension("OES_texture_float");r.getExtension("OES_texture_float_linear");r.getExtension("OES_texture_half_float_linear");ha=r.getExtension("OES_standard_derivatives");
-tb=r.getExtension("EXT_texture_filter_anisotropic")||r.getExtension("MOZ_EXT_texture_filter_anisotropic")||r.getExtension("WEBKIT_EXT_texture_filter_anisotropic");zb=r.getExtension("WEBGL_compressed_texture_s3tc")||r.getExtension("MOZ_WEBGL_compressed_texture_s3tc")||r.getExtension("WEBKIT_WEBGL_compressed_texture_s3tc");a||console.log("THREE.WebGLRenderer: Float textures not supported.");ha||console.log("THREE.WebGLRenderer: Standard derivatives not supported.");tb||console.log("THREE.WebGLRenderer: Anisotropic texture filtering not supported.");
-zb||console.log("THREE.WebGLRenderer: S3TC compressed textures not supported.");r.clearColor(0,0,0,1);r.clearDepth(1);r.clearStencil(0);r.enable(r.DEPTH_TEST);r.depthFunc(r.LEQUAL);r.frontFace(r.CCW);r.cullFace(r.BACK);r.enable(r.CULL_FACE);r.enable(r.BLEND);r.blendEquation(r.FUNC_ADD);r.blendFunc(r.SRC_ALPHA,r.ONE_MINUS_SRC_ALPHA);r.clearColor(N.r,N.g,N.b,da);this.context=r;var mc=r.getParameter(r.MAX_TEXTURE_IMAGE_UNITS),ha=r.getParameter(r.MAX_VERTEX_TEXTURE_IMAGE_UNITS);r.getParameter(r.MAX_TEXTURE_SIZE);
-var fc=r.getParameter(r.MAX_CUBE_MAP_TEXTURE_SIZE),oc=tb?r.getParameter(tb.MAX_TEXTURE_MAX_ANISOTROPY_EXT):0,bc=0<ha,gc=bc&&a;zb&&r.getParameter(r.COMPRESSED_TEXTURE_FORMATS);this.getContext=function(){return r};this.supportsVertexTextures=function(){return bc};this.getMaxAnisotropy=function(){return oc};this.setSize=function(a,b){W.width=a;W.height=b;this.setViewport(0,0,W.width,W.height)};this.setViewport=function(a,b,c,d){va=void 0!==a?a:0;fb=void 0!==b?b:0;Ha=void 0!==c?c:W.width;qb=void 0!==
-d?d:W.height;r.viewport(va,fb,Ha,qb)};this.setScissor=function(a,b,c,d){r.scissor(a,b,c,d)};this.enableScissorTest=function(a){a?r.enable(r.SCISSOR_TEST):r.disable(r.SCISSOR_TEST)};this.setClearColorHex=function(a,b){N.setHex(a);da=b;r.clearColor(N.r,N.g,N.b,da)};this.setClearColor=function(a,b){N.copy(a);da=b;r.clearColor(N.r,N.g,N.b,da)};this.getClearColor=function(){return N};this.getClearAlpha=function(){return da};this.clear=function(a,b,c){var d=0;if(void 0===a||a)d|=r.COLOR_BUFFER_BIT;if(void 0===
-b||b)d|=r.DEPTH_BUFFER_BIT;if(void 0===c||c)d|=r.STENCIL_BUFFER_BIT;r.clear(d)};this.clearTarget=function(a,b,c,d){this.setRenderTarget(a);this.clear(b,c,d)};this.addPostPlugin=function(a){a.init(this);this.renderPluginsPost.push(a)};this.addPrePlugin=function(a){a.init(this);this.renderPluginsPre.push(a)};this.deallocateObject=function(a){if(a.__webglInit)if(a.__webglInit=!1,delete a._modelViewMatrix,delete a._normalMatrix,delete a._normalMatrixArray,delete a._modelViewMatrixArray,delete a._modelMatrixArray,
-a instanceof THREE.Mesh)for(var c in a.geometry.geometryGroups){var d=a.geometry.geometryGroups[c];r.deleteBuffer(d.__webglVertexBuffer);r.deleteBuffer(d.__webglNormalBuffer);r.deleteBuffer(d.__webglTangentBuffer);r.deleteBuffer(d.__webglColorBuffer);r.deleteBuffer(d.__webglUVBuffer);r.deleteBuffer(d.__webglUV2Buffer);r.deleteBuffer(d.__webglSkinIndicesBuffer);r.deleteBuffer(d.__webglSkinWeightsBuffer);r.deleteBuffer(d.__webglFaceBuffer);r.deleteBuffer(d.__webglLineBuffer);var e=void 0,f=void 0;if(d.numMorphTargets)for(e=
-0,f=d.numMorphTargets;e<f;e++)r.deleteBuffer(d.__webglMorphTargetsBuffers[e]);if(d.numMorphNormals)for(e=0,f=d.numMorphNormals;e<f;e++)r.deleteBuffer(d.__webglMorphNormalsBuffers[e]);b(d);Q.info.memory.geometries--}else a instanceof THREE.Ribbon?(a=a.geometry,r.deleteBuffer(a.__webglVertexBuffer),r.deleteBuffer(a.__webglColorBuffer),r.deleteBuffer(a.__webglNormalBuffer),b(a),Q.info.memory.geometries--):a instanceof THREE.Line?(a=a.geometry,r.deleteBuffer(a.__webglVertexBuffer),r.deleteBuffer(a.__webglColorBuffer),
-r.deleteBuffer(a.__webglLineDistanceBuffer),b(a),Q.info.memory.geometries--):a instanceof THREE.ParticleSystem&&(a=a.geometry,r.deleteBuffer(a.__webglVertexBuffer),r.deleteBuffer(a.__webglColorBuffer),b(a),Q.info.memory.geometries--)};this.deallocateTexture=function(a){a.__webglInit&&(a.__webglInit=!1,r.deleteTexture(a.__webglTexture),Q.info.memory.textures--)};this.deallocateRenderTarget=function(a){if(a&&a.__webglTexture)if(r.deleteTexture(a.__webglTexture),a instanceof THREE.WebGLRenderTargetCube)for(var b=
-0;6>b;b++)r.deleteFramebuffer(a.__webglFramebuffer[b]),r.deleteRenderbuffer(a.__webglRenderbuffer[b]);else r.deleteFramebuffer(a.__webglFramebuffer),r.deleteRenderbuffer(a.__webglRenderbuffer)};this.deallocateMaterial=function(a){var b=a.program;if(b){a.program=void 0;var c,d,e=!1;a=0;for(c=U.length;a<c;a++)if(d=U[a],d.program===b){d.usedTimes--;0===d.usedTimes&&(e=!0);break}if(e){e=[];a=0;for(c=U.length;a<c;a++)d=U[a],d.program!==b&&e.push(d);U=e;r.deleteProgram(b);Q.info.memory.programs--}}};this.updateShadowMap=
-function(a,b){ba=null;ea=V=kb=eb=Aa=-1;sb=!0;Ga=pa=-1;this.shadowMapPlugin.update(a,b)};this.renderBufferImmediate=function(a,b,c){a.hasPositions&&!a.__webglVertexBuffer&&(a.__webglVertexBuffer=r.createBuffer());a.hasNormals&&!a.__webglNormalBuffer&&(a.__webglNormalBuffer=r.createBuffer());a.hasUvs&&!a.__webglUvBuffer&&(a.__webglUvBuffer=r.createBuffer());a.hasColors&&!a.__webglColorBuffer&&(a.__webglColorBuffer=r.createBuffer());a.hasPositions&&(r.bindBuffer(r.ARRAY_BUFFER,a.__webglVertexBuffer),
-r.bufferData(r.ARRAY_BUFFER,a.positionArray,r.DYNAMIC_DRAW),r.enableVertexAttribArray(b.attributes.position),r.vertexAttribPointer(b.attributes.position,3,r.FLOAT,!1,0,0));if(a.hasNormals){r.bindBuffer(r.ARRAY_BUFFER,a.__webglNormalBuffer);if(c.shading===THREE.FlatShading){var d,e,f,g,h,k,l,m,s,q,t,v=3*a.count;for(t=0;t<v;t+=9)q=a.normalArray,d=q[t],e=q[t+1],f=q[t+2],g=q[t+3],k=q[t+4],m=q[t+5],h=q[t+6],l=q[t+7],s=q[t+8],d=(d+g+h)/3,e=(e+k+l)/3,f=(f+m+s)/3,q[t]=d,q[t+1]=e,q[t+2]=f,q[t+3]=d,q[t+4]=
-e,q[t+5]=f,q[t+6]=d,q[t+7]=e,q[t+8]=f}r.bufferData(r.ARRAY_BUFFER,a.normalArray,r.DYNAMIC_DRAW);r.enableVertexAttribArray(b.attributes.normal);r.vertexAttribPointer(b.attributes.normal,3,r.FLOAT,!1,0,0)}a.hasUvs&&c.map&&(r.bindBuffer(r.ARRAY_BUFFER,a.__webglUvBuffer),r.bufferData(r.ARRAY_BUFFER,a.uvArray,r.DYNAMIC_DRAW),r.enableVertexAttribArray(b.attributes.uv),r.vertexAttribPointer(b.attributes.uv,2,r.FLOAT,!1,0,0));a.hasColors&&c.vertexColors!==THREE.NoColors&&(r.bindBuffer(r.ARRAY_BUFFER,a.__webglColorBuffer),
-r.bufferData(r.ARRAY_BUFFER,a.colorArray,r.DYNAMIC_DRAW),r.enableVertexAttribArray(b.attributes.color),r.vertexAttribPointer(b.attributes.color,3,r.FLOAT,!1,0,0));r.drawArrays(r.TRIANGLES,0,a.count);a.count=0};this.renderBufferDirect=function(a,b,c,d,e,f){if(!1!==d.visible)if(c=B(a,b,c,d,f),a=c.attributes,b=!1,d=16777215*e.id+2*c.id+(d.wireframe?1:0),d!==V&&(V=d,b=!0),f instanceof THREE.Mesh)for(f=e.offsets,1<f.length&&(b=!0),d=0,c=f.length;d<c;++d){var g=f[d].index;if(b){var h=e.attributes.position,
-k=h.itemSize;r.bindBuffer(r.ARRAY_BUFFER,h.buffer);r.vertexAttribPointer(a.position,k,r.FLOAT,!1,0,g*k*4);h=e.attributes.normal;0<=a.normal&&h&&(k=h.itemSize,r.bindBuffer(r.ARRAY_BUFFER,h.buffer),r.vertexAttribPointer(a.normal,k,r.FLOAT,!1,0,g*k*4));h=e.attributes.uv;0<=a.uv&&h&&(h.buffer?(k=h.itemSize,r.bindBuffer(r.ARRAY_BUFFER,h.buffer),r.vertexAttribPointer(a.uv,k,r.FLOAT,!1,0,g*k*4),r.enableVertexAttribArray(a.uv)):r.disableVertexAttribArray(a.uv));k=e.attributes.color;if(0<=a.color&&k){var l=
-k.itemSize;r.bindBuffer(r.ARRAY_BUFFER,k.buffer);r.vertexAttribPointer(a.color,l,r.FLOAT,!1,0,g*l*4)}h=e.attributes.tangent;0<=a.tangent&&h&&(k=h.itemSize,r.bindBuffer(r.ARRAY_BUFFER,h.buffer),r.vertexAttribPointer(a.tangent,k,r.FLOAT,!1,0,g*k*4));r.bindBuffer(r.ELEMENT_ARRAY_BUFFER,e.attributes.index.buffer)}r.drawElements(r.TRIANGLES,f[d].count,r.UNSIGNED_SHORT,2*f[d].start);Q.info.render.calls++;Q.info.render.vertices+=f[d].count;Q.info.render.faces+=f[d].count/3}else f instanceof THREE.ParticleSystem&&
-b&&(h=e.attributes.position,k=h.itemSize,r.bindBuffer(r.ARRAY_BUFFER,h.buffer),r.vertexAttribPointer(a.position,k,r.FLOAT,!1,0,0),k=e.attributes.color,0<=a.color&&k&&(l=k.itemSize,r.bindBuffer(r.ARRAY_BUFFER,k.buffer),r.vertexAttribPointer(a.color,l,r.FLOAT,!1,0,0)),r.drawArrays(r.POINTS,0,h.numItems/3),Q.info.render.calls++,Q.info.render.points+=h.numItems/3)};this.renderBuffer=function(a,b,c,d,e,f){if(!1!==d.visible){var g,h;c=B(a,b,c,d,f);b=c.attributes;a=!1;c=16777215*e.id+2*c.id+(d.wireframe?
-1:0);c!==V&&(V=c,a=!0);if(!d.morphTargets&&0<=b.position)a&&(r.bindBuffer(r.ARRAY_BUFFER,e.__webglVertexBuffer),r.vertexAttribPointer(b.position,3,r.FLOAT,!1,0,0));else if(f.morphTargetBase){c=d.program.attributes;-1!==f.morphTargetBase?(r.bindBuffer(r.ARRAY_BUFFER,e.__webglMorphTargetsBuffers[f.morphTargetBase]),r.vertexAttribPointer(c.position,3,r.FLOAT,!1,0,0)):0<=c.position&&(r.bindBuffer(r.ARRAY_BUFFER,e.__webglVertexBuffer),r.vertexAttribPointer(c.position,3,r.FLOAT,!1,0,0));if(f.morphTargetForcedOrder.length){var k=
-0;h=f.morphTargetForcedOrder;for(g=f.morphTargetInfluences;k<d.numSupportedMorphTargets&&k<h.length;)r.bindBuffer(r.ARRAY_BUFFER,e.__webglMorphTargetsBuffers[h[k]]),r.vertexAttribPointer(c["morphTarget"+k],3,r.FLOAT,!1,0,0),d.morphNormals&&(r.bindBuffer(r.ARRAY_BUFFER,e.__webglMorphNormalsBuffers[h[k]]),r.vertexAttribPointer(c["morphNormal"+k],3,r.FLOAT,!1,0,0)),f.__webglMorphTargetInfluences[k]=g[h[k]],k++}else{h=[];g=f.morphTargetInfluences;var l,m=g.length;for(l=0;l<m;l++)k=g[l],0<k&&h.push([l,
-k]);h.length>d.numSupportedMorphTargets?(h.sort(s),h.length=d.numSupportedMorphTargets):h.length>d.numSupportedMorphNormals?h.sort(s):0===h.length&&h.push([0,0]);for(k=0;k<d.numSupportedMorphTargets;)h[k]?(l=h[k][0],r.bindBuffer(r.ARRAY_BUFFER,e.__webglMorphTargetsBuffers[l]),r.vertexAttribPointer(c["morphTarget"+k],3,r.FLOAT,!1,0,0),d.morphNormals&&(r.bindBuffer(r.ARRAY_BUFFER,e.__webglMorphNormalsBuffers[l]),r.vertexAttribPointer(c["morphNormal"+k],3,r.FLOAT,!1,0,0)),f.__webglMorphTargetInfluences[k]=
-g[l]):(r.vertexAttribPointer(c["morphTarget"+k],3,r.FLOAT,!1,0,0),d.morphNormals&&r.vertexAttribPointer(c["morphNormal"+k],3,r.FLOAT,!1,0,0),f.__webglMorphTargetInfluences[k]=0),k++}null!==d.program.uniforms.morphTargetInfluences&&r.uniform1fv(d.program.uniforms.morphTargetInfluences,f.__webglMorphTargetInfluences)}if(a){if(e.__webglCustomAttributesList)for(g=0,h=e.__webglCustomAttributesList.length;g<h;g++)c=e.__webglCustomAttributesList[g],0<=b[c.buffer.belongsToAttribute]&&(r.bindBuffer(r.ARRAY_BUFFER,
-c.buffer),r.vertexAttribPointer(b[c.buffer.belongsToAttribute],c.size,r.FLOAT,!1,0,0));0<=b.color&&(r.bindBuffer(r.ARRAY_BUFFER,e.__webglColorBuffer),r.vertexAttribPointer(b.color,3,r.FLOAT,!1,0,0));0<=b.normal&&(r.bindBuffer(r.ARRAY_BUFFER,e.__webglNormalBuffer),r.vertexAttribPointer(b.normal,3,r.FLOAT,!1,0,0));0<=b.tangent&&(r.bindBuffer(r.ARRAY_BUFFER,e.__webglTangentBuffer),r.vertexAttribPointer(b.tangent,4,r.FLOAT,!1,0,0));0<=b.uv&&(e.__webglUVBuffer?(r.bindBuffer(r.ARRAY_BUFFER,e.__webglUVBuffer),
-r.vertexAttribPointer(b.uv,2,r.FLOAT,!1,0,0),r.enableVertexAttribArray(b.uv)):r.disableVertexAttribArray(b.uv));0<=b.uv2&&(e.__webglUV2Buffer?(r.bindBuffer(r.ARRAY_BUFFER,e.__webglUV2Buffer),r.vertexAttribPointer(b.uv2,2,r.FLOAT,!1,0,0),r.enableVertexAttribArray(b.uv2)):r.disableVertexAttribArray(b.uv2));d.skinning&&0<=b.skinIndex&&0<=b.skinWeight&&(r.bindBuffer(r.ARRAY_BUFFER,e.__webglSkinIndicesBuffer),r.vertexAttribPointer(b.skinIndex,4,r.FLOAT,!1,0,0),r.bindBuffer(r.ARRAY_BUFFER,e.__webglSkinWeightsBuffer),
-r.vertexAttribPointer(b.skinWeight,4,r.FLOAT,!1,0,0));0<=b.lineDistance&&(r.bindBuffer(r.ARRAY_BUFFER,e.__webglLineDistanceBuffer),r.vertexAttribPointer(b.lineDistance,1,r.FLOAT,!1,0,0))}f instanceof THREE.Mesh?(d.wireframe?(d=d.wireframeLinewidth,d!==za&&(r.lineWidth(d),za=d),a&&r.bindBuffer(r.ELEMENT_ARRAY_BUFFER,e.__webglLineBuffer),r.drawElements(r.LINES,e.__webglLineCount,r.UNSIGNED_SHORT,0)):(a&&r.bindBuffer(r.ELEMENT_ARRAY_BUFFER,e.__webglFaceBuffer),r.drawElements(r.TRIANGLES,e.__webglFaceCount,
-r.UNSIGNED_SHORT,0)),Q.info.render.calls++,Q.info.render.vertices+=e.__webglFaceCount,Q.info.render.faces+=e.__webglFaceCount/3):f instanceof THREE.Line?(f=f.type===THREE.LineStrip?r.LINE_STRIP:r.LINES,d=d.linewidth,d!==za&&(r.lineWidth(d),za=d),r.drawArrays(f,0,e.__webglLineCount),Q.info.render.calls++):f instanceof THREE.ParticleSystem?(r.drawArrays(r.POINTS,0,e.__webglParticleCount),Q.info.render.calls++,Q.info.render.points+=e.__webglParticleCount):f instanceof THREE.Ribbon&&(r.drawArrays(r.TRIANGLE_STRIP,
-0,e.__webglVertexCount),Q.info.render.calls++)}};this.render=function(a,b,c,d){if(!1===b instanceof THREE.Camera)console.error("THREE.WebGLRenderer.render: camera is not an instance of THREE.Camera.");else{var e,f,g,h,k=a.__lights,l=a.fog;ea=-1;sb=!0;this.autoUpdateScene&&a.updateMatrixWorld();void 0===b.parent&&b.updateMatrixWorld();b._viewMatrixArray||(b._viewMatrixArray=new Float32Array(16));b._projectionMatrixArray||(b._projectionMatrixArray=new Float32Array(16));b.matrixWorldInverse.getInverse(b.matrixWorld);
-b.matrixWorldInverse.flattenToArray(b._viewMatrixArray);b.projectionMatrix.flattenToArray(b._projectionMatrixArray);$a.multiply(b.projectionMatrix,b.matrixWorldInverse);gb.setFromMatrix($a);this.autoUpdateObjects&&this.initWebGLObjects(a);t(this.renderPluginsPre,a,b);Q.info.render.calls=0;Q.info.render.vertices=0;Q.info.render.faces=0;Q.info.render.points=0;this.setRenderTarget(c);(this.autoClear||d)&&this.clear(this.autoClearColor,this.autoClearDepth,this.autoClearStencil);h=a.__webglObjects;d=0;
-for(e=h.length;d<e;d++)if(f=h[d],g=f.object,f.render=!1,g.visible&&(!(g instanceof THREE.Mesh||g instanceof THREE.ParticleSystem)||!g.frustumCulled||gb.contains(g))){D(g,b);var m=f,s=m.buffer,w=void 0,x=w=void 0,x=m.object.material;if(x instanceof THREE.MeshFaceMaterial)w=s.materialIndex,0<=w&&(w=x.materials[w],w.transparent?(m.transparent=w,m.opaque=null):(m.opaque=w,m.transparent=null));else if(w=x)w.transparent?(m.transparent=w,m.opaque=null):(m.opaque=w,m.transparent=null);f.render=!0;!0===this.sortObjects&&
-(null!==g.renderDepth?f.z=g.renderDepth:(Ba.copy(g.matrixWorld.getPosition()),$a.multiplyVector3(Ba),f.z=Ba.z),f.id=g.id)}this.sortObjects&&h.sort(q);h=a.__webglObjectsImmediate;d=0;for(e=h.length;d<e;d++)f=h[d],g=f.object,g.visible&&(D(g,b),g=f.object.material,g.transparent?(f.transparent=g,f.opaque=null):(f.opaque=g,f.transparent=null));a.overrideMaterial?(d=a.overrideMaterial,this.setBlending(d.blending,d.blendEquation,d.blendSrc,d.blendDst),this.setDepthTest(d.depthTest),this.setDepthWrite(d.depthWrite),
-F(d.polygonOffset,d.polygonOffsetFactor,d.polygonOffsetUnits),v(a.__webglObjects,!1,"",b,k,l,!0,d),u(a.__webglObjectsImmediate,"",b,k,l,!1,d)):(this.setBlending(THREE.NormalBlending),v(a.__webglObjects,!0,"opaque",b,k,l,!1),u(a.__webglObjectsImmediate,"opaque",b,k,l,!1),v(a.__webglObjects,!1,"transparent",b,k,l,!0),u(a.__webglObjectsImmediate,"transparent",b,k,l,!0));t(this.renderPluginsPost,a,b);c&&c.generateMipmaps&&c.minFilter!==THREE.NearestFilter&&c.minFilter!==THREE.LinearFilter&&(c instanceof
-THREE.WebGLRenderTargetCube?(r.bindTexture(r.TEXTURE_CUBE_MAP,c.__webglTexture),r.generateMipmap(r.TEXTURE_CUBE_MAP),r.bindTexture(r.TEXTURE_CUBE_MAP,null)):(r.bindTexture(r.TEXTURE_2D,c.__webglTexture),r.generateMipmap(r.TEXTURE_2D),r.bindTexture(r.TEXTURE_2D,null)));this.setDepthTest(!0);this.setDepthWrite(!0)}};this.renderImmediateObject=function(a,b,c,d,e){var f=B(a,b,c,d,e);V=-1;Q.setMaterialFaces(d);e.immediateRenderCallback?e.immediateRenderCallback(f,r,gb):e.render(function(a){Q.renderBufferImmediate(a,
-f,d)})};this.initWebGLObjects=function(a){a.__webglObjects||(a.__webglObjects=[],a.__webglObjectsImmediate=[],a.__webglSprites=[],a.__webglFlares=[]);for(;a.__objectsAdded.length;){var b=a.__objectsAdded[0],m=a,q=void 0,s=void 0,t=void 0,v=void 0;if(!b.__webglInit)if(b.__webglInit=!0,b._modelViewMatrix=new THREE.Matrix4,b._normalMatrix=new THREE.Matrix3,b instanceof THREE.Mesh)if(s=b.geometry,t=b.material,s instanceof THREE.Geometry){if(void 0===s.geometryGroups){var u=s,z=void 0,B=void 0,D=void 0,
-F=void 0,H=void 0,J=void 0,I=void 0,K={},L=u.morphTargets.length,N=u.morphNormals.length,ia=t instanceof THREE.MeshFaceMaterial;u.geometryGroups={};z=0;for(B=u.faces.length;z<B;z++)D=u.faces[z],F=ia?D.materialIndex:void 0,J=void 0!==F?F:-1,void 0===K[J]&&(K[J]={hash:J,counter:0}),I=K[J].hash+"_"+K[J].counter,void 0===u.geometryGroups[I]&&(u.geometryGroups[I]={faces3:[],faces4:[],materialIndex:F,vertices:0,numMorphTargets:L,numMorphNormals:N}),H=D instanceof THREE.Face3?3:4,65535<u.geometryGroups[I].vertices+
-H&&(K[J].counter+=1,I=K[J].hash+"_"+K[J].counter,void 0===u.geometryGroups[I]&&(u.geometryGroups[I]={faces3:[],faces4:[],materialIndex:F,vertices:0,numMorphTargets:L,numMorphNormals:N})),D instanceof THREE.Face3?u.geometryGroups[I].faces3.push(z):u.geometryGroups[I].faces4.push(z),u.geometryGroups[I].vertices+=H;u.geometryGroupsList=[];var V=void 0;for(V in u.geometryGroups)u.geometryGroups[V].id=ta++,u.geometryGroupsList.push(u.geometryGroups[V])}for(q in s.geometryGroups)if(v=s.geometryGroups[q],
-!v.__webglVertexBuffer){var O=v;O.__webglVertexBuffer=r.createBuffer();O.__webglNormalBuffer=r.createBuffer();O.__webglTangentBuffer=r.createBuffer();O.__webglColorBuffer=r.createBuffer();O.__webglUVBuffer=r.createBuffer();O.__webglUV2Buffer=r.createBuffer();O.__webglSkinIndicesBuffer=r.createBuffer();O.__webglSkinWeightsBuffer=r.createBuffer();O.__webglFaceBuffer=r.createBuffer();O.__webglLineBuffer=r.createBuffer();var P=void 0,R=void 0;if(O.numMorphTargets)for(O.__webglMorphTargetsBuffers=[],P=
-0,R=O.numMorphTargets;P<R;P++)O.__webglMorphTargetsBuffers.push(r.createBuffer());if(O.numMorphNormals)for(O.__webglMorphNormalsBuffers=[],P=0,R=O.numMorphNormals;P<R;P++)O.__webglMorphNormalsBuffers.push(r.createBuffer());Q.info.memory.geometries++;d(v,b);s.verticesNeedUpdate=!0;s.morphTargetsNeedUpdate=!0;s.elementsNeedUpdate=!0;s.uvsNeedUpdate=!0;s.normalsNeedUpdate=!0;s.tangentsNeedUpdate=!0;s.colorsNeedUpdate=!0}}else s instanceof THREE.BufferGeometry&&h(s);else if(b instanceof THREE.Ribbon){if(s=
-b.geometry,!s.__webglVertexBuffer){var T=s;T.__webglVertexBuffer=r.createBuffer();T.__webglColorBuffer=r.createBuffer();T.__webglNormalBuffer=r.createBuffer();Q.info.memory.geometries++;var U=s,ga=b,S=U.vertices.length;U.__vertexArray=new Float32Array(3*S);U.__colorArray=new Float32Array(3*S);U.__normalArray=new Float32Array(3*S);U.__webglVertexCount=S;c(U,ga);s.verticesNeedUpdate=!0;s.colorsNeedUpdate=!0;s.normalsNeedUpdate=!0}}else if(b instanceof THREE.Line){if(s=b.geometry,!s.__webglVertexBuffer){var ba=
-s;ba.__webglVertexBuffer=r.createBuffer();ba.__webglColorBuffer=r.createBuffer();ba.__webglLineDistanceBuffer=r.createBuffer();Q.info.memory.geometries++;var ea=s,da=b,W=ea.vertices.length;ea.__vertexArray=new Float32Array(3*W);ea.__colorArray=new Float32Array(3*W);ea.__lineDistanceArray=new Float32Array(1*W);ea.__webglLineCount=W;c(ea,da);s.verticesNeedUpdate=!0;s.colorsNeedUpdate=!0;s.lineDistancesNeedUpdate=!0}}else if(b instanceof THREE.ParticleSystem&&(s=b.geometry,!s.__webglVertexBuffer))if(s instanceof
-THREE.Geometry){var ka=s;ka.__webglVertexBuffer=r.createBuffer();ka.__webglColorBuffer=r.createBuffer();Q.info.memory.geometries++;var ca=s,ha=b,pa=ca.vertices.length;ca.__vertexArray=new Float32Array(3*pa);ca.__colorArray=new Float32Array(3*pa);ca.__sortArray=[];ca.__webglParticleCount=pa;c(ca,ha);s.verticesNeedUpdate=!0;s.colorsNeedUpdate=!0}else s instanceof THREE.BufferGeometry&&h(s);if(!b.__webglActive){if(b instanceof THREE.Mesh)if(s=b.geometry,s instanceof THREE.BufferGeometry)w(m.__webglObjects,
-s,b);else for(q in s.geometryGroups)v=s.geometryGroups[q],w(m.__webglObjects,v,b);else b instanceof THREE.Ribbon||b instanceof THREE.Line||b instanceof THREE.ParticleSystem?(s=b.geometry,w(m.__webglObjects,s,b)):b instanceof THREE.ImmediateRenderObject||b.immediateRenderCallback?m.__webglObjectsImmediate.push({object:b,opaque:null,transparent:null,z:0}):b instanceof THREE.Sprite?m.__webglSprites.push(b):b instanceof THREE.LensFlare&&m.__webglFlares.push(b);b.__webglActive=!0}a.__objectsAdded.splice(0,
-1)}for(;a.__objectsRemoved.length;){var ma=a.__objectsRemoved[0],oa=a;ma instanceof THREE.Mesh||ma instanceof THREE.ParticleSystem||ma instanceof THREE.Ribbon||ma instanceof THREE.Line?A(oa.__webglObjects,ma):ma instanceof THREE.Sprite?C(oa.__webglSprites,ma):ma instanceof THREE.LensFlare?C(oa.__webglFlares,ma):(ma instanceof THREE.ImmediateRenderObject||ma.immediateRenderCallback)&&A(oa.__webglObjectsImmediate,ma);ma.__webglActive=!1;a.__objectsRemoved.splice(0,1)}for(var ua=0,Da=a.__webglObjects.length;ua<
-Da;ua++){var qa=a.__webglObjects[ua].object,Y=qa.geometry,Va=void 0,Ib=void 0,Wa=void 0;if(qa instanceof THREE.Mesh)if(Y instanceof THREE.BufferGeometry)(Y.verticesNeedUpdate||Y.elementsNeedUpdate||Y.uvsNeedUpdate||Y.normalsNeedUpdate||Y.colorsNeedUpdate||Y.tangentsNeedUpdate)&&k(Y,r.DYNAMIC_DRAW,!Y.dynamic),Y.verticesNeedUpdate=!1,Y.elementsNeedUpdate=!1,Y.uvsNeedUpdate=!1,Y.normalsNeedUpdate=!1,Y.colorsNeedUpdate=!1,Y.tangentsNeedUpdate=!1;else{for(var dd=0,Hd=Y.geometryGroupsList.length;dd<Hd;dd++)if(Va=
-Y.geometryGroupsList[dd],Wa=e(qa,Va),Y.buffersNeedUpdate&&d(Va,qa),Ib=Wa.attributes&&x(Wa),Y.verticesNeedUpdate||Y.morphTargetsNeedUpdate||Y.elementsNeedUpdate||Y.uvsNeedUpdate||Y.normalsNeedUpdate||Y.colorsNeedUpdate||Y.tangentsNeedUpdate||Ib){var sa=Va,Id=qa,Bb=r.DYNAMIC_DRAW,Jd=!Y.dynamic,jc=Wa;if(sa.__inittedArrays){var pd=f(jc),ed=jc.vertexColors?jc.vertexColors:!1,qd=g(jc),Kc=pd===THREE.SmoothShading,M=void 0,fa=void 0,cc=void 0,Z=void 0,Ga=void 0,Aa=void 0,Lb=void 0,Ia=void 0,Ab=void 0,Cb=
-void 0,sc=void 0,$=void 0,aa=void 0,X=void 0,ra=void 0,Ob=void 0,Pb=void 0,Qb=void 0,xc=void 0,Rb=void 0,Sb=void 0,Tb=void 0,yc=void 0,Ub=void 0,Vb=void 0,va=void 0,Ha=void 0,wa=void 0,za=void 0,Ba=void 0,eb=void 0,Wb=void 0,Qa=void 0,Xb=void 0,ob=void 0,Ca=void 0,qb=void 0,jb=void 0,kb=void 0,lb=void 0,bb=void 0,sb=void 0,Xa=void 0,Ya=void 0,fb=void 0,Za=void 0,Ra=0,Ta=0,$a=0,gb=0,Db=0,mb=0,Ja=0,pb=0,Sa=0,la=0,na=0,G=0,Ea=void 0,cb=sa.__vertexArray,rb=sa.__uvArray,tb=sa.__uv2Array,Eb=sa.__normalArray,
-Ma=sa.__tangentArray,db=sa.__colorArray,Na=sa.__skinIndexArray,Oa=sa.__skinWeightArray,zb=sa.__morphTargetsArrays,Hb=sa.__morphNormalsArrays,Jb=sa.__webglCustomAttributesList,E=void 0,Yb=sa.__faceArray,yb=sa.__lineArray,vb=Id.geometry,fc=vb.elementsNeedUpdate,bc=vb.uvsNeedUpdate,gc=vb.normalsNeedUpdate,mc=vb.tangentsNeedUpdate,oc=vb.colorsNeedUpdate,vc=vb.morphTargetsNeedUpdate,kc=vb.vertices,xa=sa.faces3,ya=sa.faces4,nb=vb.faces,fd=vb.faceVertexUvs[0],gd=vb.faceVertexUvs[1],lc=vb.skinIndices,dc=
-vb.skinWeights,ec=vb.morphTargets,Lc=vb.morphNormals;if(vb.verticesNeedUpdate){M=0;for(fa=xa.length;M<fa;M++)Z=nb[xa[M]],$=kc[Z.a],aa=kc[Z.b],X=kc[Z.c],cb[Ta]=$.x,cb[Ta+1]=$.y,cb[Ta+2]=$.z,cb[Ta+3]=aa.x,cb[Ta+4]=aa.y,cb[Ta+5]=aa.z,cb[Ta+6]=X.x,cb[Ta+7]=X.y,cb[Ta+8]=X.z,Ta+=9;M=0;for(fa=ya.length;M<fa;M++)Z=nb[ya[M]],$=kc[Z.a],aa=kc[Z.b],X=kc[Z.c],ra=kc[Z.d],cb[Ta]=$.x,cb[Ta+1]=$.y,cb[Ta+2]=$.z,cb[Ta+3]=aa.x,cb[Ta+4]=aa.y,cb[Ta+5]=aa.z,cb[Ta+6]=X.x,cb[Ta+7]=X.y,cb[Ta+8]=X.z,cb[Ta+9]=ra.x,cb[Ta+10]=
-ra.y,cb[Ta+11]=ra.z,Ta+=12;r.bindBuffer(r.ARRAY_BUFFER,sa.__webglVertexBuffer);r.bufferData(r.ARRAY_BUFFER,cb,Bb)}if(vc)for(bb=0,sb=ec.length;bb<sb;bb++){M=na=0;for(fa=xa.length;M<fa;M++)fb=xa[M],Z=nb[fb],$=ec[bb].vertices[Z.a],aa=ec[bb].vertices[Z.b],X=ec[bb].vertices[Z.c],Xa=zb[bb],Xa[na]=$.x,Xa[na+1]=$.y,Xa[na+2]=$.z,Xa[na+3]=aa.x,Xa[na+4]=aa.y,Xa[na+5]=aa.z,Xa[na+6]=X.x,Xa[na+7]=X.y,Xa[na+8]=X.z,jc.morphNormals&&(Kc?(Za=Lc[bb].vertexNormals[fb],Rb=Za.a,Sb=Za.b,Tb=Za.c):Tb=Sb=Rb=Lc[bb].faceNormals[fb],
-Ya=Hb[bb],Ya[na]=Rb.x,Ya[na+1]=Rb.y,Ya[na+2]=Rb.z,Ya[na+3]=Sb.x,Ya[na+4]=Sb.y,Ya[na+5]=Sb.z,Ya[na+6]=Tb.x,Ya[na+7]=Tb.y,Ya[na+8]=Tb.z),na+=9;M=0;for(fa=ya.length;M<fa;M++)fb=ya[M],Z=nb[fb],$=ec[bb].vertices[Z.a],aa=ec[bb].vertices[Z.b],X=ec[bb].vertices[Z.c],ra=ec[bb].vertices[Z.d],Xa=zb[bb],Xa[na]=$.x,Xa[na+1]=$.y,Xa[na+2]=$.z,Xa[na+3]=aa.x,Xa[na+4]=aa.y,Xa[na+5]=aa.z,Xa[na+6]=X.x,Xa[na+7]=X.y,Xa[na+8]=X.z,Xa[na+9]=ra.x,Xa[na+10]=ra.y,Xa[na+11]=ra.z,jc.morphNormals&&(Kc?(Za=Lc[bb].vertexNormals[fb],
-Rb=Za.a,Sb=Za.b,Tb=Za.c,yc=Za.d):yc=Tb=Sb=Rb=Lc[bb].faceNormals[fb],Ya=Hb[bb],Ya[na]=Rb.x,Ya[na+1]=Rb.y,Ya[na+2]=Rb.z,Ya[na+3]=Sb.x,Ya[na+4]=Sb.y,Ya[na+5]=Sb.z,Ya[na+6]=Tb.x,Ya[na+7]=Tb.y,Ya[na+8]=Tb.z,Ya[na+9]=yc.x,Ya[na+10]=yc.y,Ya[na+11]=yc.z),na+=12;r.bindBuffer(r.ARRAY_BUFFER,sa.__webglMorphTargetsBuffers[bb]);r.bufferData(r.ARRAY_BUFFER,zb[bb],Bb);jc.morphNormals&&(r.bindBuffer(r.ARRAY_BUFFER,sa.__webglMorphNormalsBuffers[bb]),r.bufferData(r.ARRAY_BUFFER,Hb[bb],Bb))}if(dc.length){M=0;for(fa=
-xa.length;M<fa;M++)Z=nb[xa[M]],wa=dc[Z.a],za=dc[Z.b],Ba=dc[Z.c],Oa[la]=wa.x,Oa[la+1]=wa.y,Oa[la+2]=wa.z,Oa[la+3]=wa.w,Oa[la+4]=za.x,Oa[la+5]=za.y,Oa[la+6]=za.z,Oa[la+7]=za.w,Oa[la+8]=Ba.x,Oa[la+9]=Ba.y,Oa[la+10]=Ba.z,Oa[la+11]=Ba.w,Wb=lc[Z.a],Qa=lc[Z.b],Xb=lc[Z.c],Na[la]=Wb.x,Na[la+1]=Wb.y,Na[la+2]=Wb.z,Na[la+3]=Wb.w,Na[la+4]=Qa.x,Na[la+5]=Qa.y,Na[la+6]=Qa.z,Na[la+7]=Qa.w,Na[la+8]=Xb.x,Na[la+9]=Xb.y,Na[la+10]=Xb.z,Na[la+11]=Xb.w,la+=12;M=0;for(fa=ya.length;M<fa;M++)Z=nb[ya[M]],wa=dc[Z.a],za=dc[Z.b],
-Ba=dc[Z.c],eb=dc[Z.d],Oa[la]=wa.x,Oa[la+1]=wa.y,Oa[la+2]=wa.z,Oa[la+3]=wa.w,Oa[la+4]=za.x,Oa[la+5]=za.y,Oa[la+6]=za.z,Oa[la+7]=za.w,Oa[la+8]=Ba.x,Oa[la+9]=Ba.y,Oa[la+10]=Ba.z,Oa[la+11]=Ba.w,Oa[la+12]=eb.x,Oa[la+13]=eb.y,Oa[la+14]=eb.z,Oa[la+15]=eb.w,Wb=lc[Z.a],Qa=lc[Z.b],Xb=lc[Z.c],ob=lc[Z.d],Na[la]=Wb.x,Na[la+1]=Wb.y,Na[la+2]=Wb.z,Na[la+3]=Wb.w,Na[la+4]=Qa.x,Na[la+5]=Qa.y,Na[la+6]=Qa.z,Na[la+7]=Qa.w,Na[la+8]=Xb.x,Na[la+9]=Xb.y,Na[la+10]=Xb.z,Na[la+11]=Xb.w,Na[la+12]=ob.x,Na[la+13]=ob.y,Na[la+14]=
-ob.z,Na[la+15]=ob.w,la+=16;0<la&&(r.bindBuffer(r.ARRAY_BUFFER,sa.__webglSkinIndicesBuffer),r.bufferData(r.ARRAY_BUFFER,Na,Bb),r.bindBuffer(r.ARRAY_BUFFER,sa.__webglSkinWeightsBuffer),r.bufferData(r.ARRAY_BUFFER,Oa,Bb))}if(oc&&ed){M=0;for(fa=xa.length;M<fa;M++)Z=nb[xa[M]],Lb=Z.vertexColors,Ia=Z.color,3===Lb.length&&ed===THREE.VertexColors?(Ub=Lb[0],Vb=Lb[1],va=Lb[2]):va=Vb=Ub=Ia,db[Sa]=Ub.r,db[Sa+1]=Ub.g,db[Sa+2]=Ub.b,db[Sa+3]=Vb.r,db[Sa+4]=Vb.g,db[Sa+5]=Vb.b,db[Sa+6]=va.r,db[Sa+7]=va.g,db[Sa+8]=va.b,
-Sa+=9;M=0;for(fa=ya.length;M<fa;M++)Z=nb[ya[M]],Lb=Z.vertexColors,Ia=Z.color,4===Lb.length&&ed===THREE.VertexColors?(Ub=Lb[0],Vb=Lb[1],va=Lb[2],Ha=Lb[3]):Ha=va=Vb=Ub=Ia,db[Sa]=Ub.r,db[Sa+1]=Ub.g,db[Sa+2]=Ub.b,db[Sa+3]=Vb.r,db[Sa+4]=Vb.g,db[Sa+5]=Vb.b,db[Sa+6]=va.r,db[Sa+7]=va.g,db[Sa+8]=va.b,db[Sa+9]=Ha.r,db[Sa+10]=Ha.g,db[Sa+11]=Ha.b,Sa+=12;0<Sa&&(r.bindBuffer(r.ARRAY_BUFFER,sa.__webglColorBuffer),r.bufferData(r.ARRAY_BUFFER,db,Bb))}if(mc&&vb.hasTangents){M=0;for(fa=xa.length;M<fa;M++)Z=nb[xa[M]],
-Ab=Z.vertexTangents,Ob=Ab[0],Pb=Ab[1],Qb=Ab[2],Ma[Ja]=Ob.x,Ma[Ja+1]=Ob.y,Ma[Ja+2]=Ob.z,Ma[Ja+3]=Ob.w,Ma[Ja+4]=Pb.x,Ma[Ja+5]=Pb.y,Ma[Ja+6]=Pb.z,Ma[Ja+7]=Pb.w,Ma[Ja+8]=Qb.x,Ma[Ja+9]=Qb.y,Ma[Ja+10]=Qb.z,Ma[Ja+11]=Qb.w,Ja+=12;M=0;for(fa=ya.length;M<fa;M++)Z=nb[ya[M]],Ab=Z.vertexTangents,Ob=Ab[0],Pb=Ab[1],Qb=Ab[2],xc=Ab[3],Ma[Ja]=Ob.x,Ma[Ja+1]=Ob.y,Ma[Ja+2]=Ob.z,Ma[Ja+3]=Ob.w,Ma[Ja+4]=Pb.x,Ma[Ja+5]=Pb.y,Ma[Ja+6]=Pb.z,Ma[Ja+7]=Pb.w,Ma[Ja+8]=Qb.x,Ma[Ja+9]=Qb.y,Ma[Ja+10]=Qb.z,Ma[Ja+11]=Qb.w,Ma[Ja+12]=xc.x,
-Ma[Ja+13]=xc.y,Ma[Ja+14]=xc.z,Ma[Ja+15]=xc.w,Ja+=16;r.bindBuffer(r.ARRAY_BUFFER,sa.__webglTangentBuffer);r.bufferData(r.ARRAY_BUFFER,Ma,Bb)}if(gc&&pd){M=0;for(fa=xa.length;M<fa;M++)if(Z=nb[xa[M]],Ga=Z.vertexNormals,Aa=Z.normal,3===Ga.length&&Kc)for(Ca=0;3>Ca;Ca++)jb=Ga[Ca],Eb[mb]=jb.x,Eb[mb+1]=jb.y,Eb[mb+2]=jb.z,mb+=3;else for(Ca=0;3>Ca;Ca++)Eb[mb]=Aa.x,Eb[mb+1]=Aa.y,Eb[mb+2]=Aa.z,mb+=3;M=0;for(fa=ya.length;M<fa;M++)if(Z=nb[ya[M]],Ga=Z.vertexNormals,Aa=Z.normal,4===Ga.length&&Kc)for(Ca=0;4>Ca;Ca++)jb=
-Ga[Ca],Eb[mb]=jb.x,Eb[mb+1]=jb.y,Eb[mb+2]=jb.z,mb+=3;else for(Ca=0;4>Ca;Ca++)Eb[mb]=Aa.x,Eb[mb+1]=Aa.y,Eb[mb+2]=Aa.z,mb+=3;r.bindBuffer(r.ARRAY_BUFFER,sa.__webglNormalBuffer);r.bufferData(r.ARRAY_BUFFER,Eb,Bb)}if(bc&&fd&&qd){M=0;for(fa=xa.length;M<fa;M++)if(cc=xa[M],Cb=fd[cc],void 0!==Cb)for(Ca=0;3>Ca;Ca++)kb=Cb[Ca],rb[$a]=kb.u,rb[$a+1]=kb.v,$a+=2;M=0;for(fa=ya.length;M<fa;M++)if(cc=ya[M],Cb=fd[cc],void 0!==Cb)for(Ca=0;4>Ca;Ca++)kb=Cb[Ca],rb[$a]=kb.u,rb[$a+1]=kb.v,$a+=2;0<$a&&(r.bindBuffer(r.ARRAY_BUFFER,
-sa.__webglUVBuffer),r.bufferData(r.ARRAY_BUFFER,rb,Bb))}if(bc&&gd&&qd){M=0;for(fa=xa.length;M<fa;M++)if(cc=xa[M],sc=gd[cc],void 0!==sc)for(Ca=0;3>Ca;Ca++)lb=sc[Ca],tb[gb]=lb.u,tb[gb+1]=lb.v,gb+=2;M=0;for(fa=ya.length;M<fa;M++)if(cc=ya[M],sc=gd[cc],void 0!==sc)for(Ca=0;4>Ca;Ca++)lb=sc[Ca],tb[gb]=lb.u,tb[gb+1]=lb.v,gb+=2;0<gb&&(r.bindBuffer(r.ARRAY_BUFFER,sa.__webglUV2Buffer),r.bufferData(r.ARRAY_BUFFER,tb,Bb))}if(fc){M=0;for(fa=xa.length;M<fa;M++)Yb[Db]=Ra,Yb[Db+1]=Ra+1,Yb[Db+2]=Ra+2,Db+=3,yb[pb]=
-Ra,yb[pb+1]=Ra+1,yb[pb+2]=Ra,yb[pb+3]=Ra+2,yb[pb+4]=Ra+1,yb[pb+5]=Ra+2,pb+=6,Ra+=3;M=0;for(fa=ya.length;M<fa;M++)Yb[Db]=Ra,Yb[Db+1]=Ra+1,Yb[Db+2]=Ra+3,Yb[Db+3]=Ra+1,Yb[Db+4]=Ra+2,Yb[Db+5]=Ra+3,Db+=6,yb[pb]=Ra,yb[pb+1]=Ra+1,yb[pb+2]=Ra,yb[pb+3]=Ra+3,yb[pb+4]=Ra+1,yb[pb+5]=Ra+2,yb[pb+6]=Ra+2,yb[pb+7]=Ra+3,pb+=8,Ra+=4;r.bindBuffer(r.ELEMENT_ARRAY_BUFFER,sa.__webglFaceBuffer);r.bufferData(r.ELEMENT_ARRAY_BUFFER,Yb,Bb);r.bindBuffer(r.ELEMENT_ARRAY_BUFFER,sa.__webglLineBuffer);r.bufferData(r.ELEMENT_ARRAY_BUFFER,
-yb,Bb)}if(Jb)for(Ca=0,qb=Jb.length;Ca<qb;Ca++)if(E=Jb[Ca],E.__original.needsUpdate){G=0;if(1===E.size)if(void 0===E.boundTo||"vertices"===E.boundTo){M=0;for(fa=xa.length;M<fa;M++)Z=nb[xa[M]],E.array[G]=E.value[Z.a],E.array[G+1]=E.value[Z.b],E.array[G+2]=E.value[Z.c],G+=3;M=0;for(fa=ya.length;M<fa;M++)Z=nb[ya[M]],E.array[G]=E.value[Z.a],E.array[G+1]=E.value[Z.b],E.array[G+2]=E.value[Z.c],E.array[G+3]=E.value[Z.d],G+=4}else{if("faces"===E.boundTo){M=0;for(fa=xa.length;M<fa;M++)Ea=E.value[xa[M]],E.array[G]=
-Ea,E.array[G+1]=Ea,E.array[G+2]=Ea,G+=3;M=0;for(fa=ya.length;M<fa;M++)Ea=E.value[ya[M]],E.array[G]=Ea,E.array[G+1]=Ea,E.array[G+2]=Ea,E.array[G+3]=Ea,G+=4}}else if(2===E.size)if(void 0===E.boundTo||"vertices"===E.boundTo){M=0;for(fa=xa.length;M<fa;M++)Z=nb[xa[M]],$=E.value[Z.a],aa=E.value[Z.b],X=E.value[Z.c],E.array[G]=$.x,E.array[G+1]=$.y,E.array[G+2]=aa.x,E.array[G+3]=aa.y,E.array[G+4]=X.x,E.array[G+5]=X.y,G+=6;M=0;for(fa=ya.length;M<fa;M++)Z=nb[ya[M]],$=E.value[Z.a],aa=E.value[Z.b],X=E.value[Z.c],
-ra=E.value[Z.d],E.array[G]=$.x,E.array[G+1]=$.y,E.array[G+2]=aa.x,E.array[G+3]=aa.y,E.array[G+4]=X.x,E.array[G+5]=X.y,E.array[G+6]=ra.x,E.array[G+7]=ra.y,G+=8}else{if("faces"===E.boundTo){M=0;for(fa=xa.length;M<fa;M++)X=aa=$=Ea=E.value[xa[M]],E.array[G]=$.x,E.array[G+1]=$.y,E.array[G+2]=aa.x,E.array[G+3]=aa.y,E.array[G+4]=X.x,E.array[G+5]=X.y,G+=6;M=0;for(fa=ya.length;M<fa;M++)ra=X=aa=$=Ea=E.value[ya[M]],E.array[G]=$.x,E.array[G+1]=$.y,E.array[G+2]=aa.x,E.array[G+3]=aa.y,E.array[G+4]=X.x,E.array[G+
-5]=X.y,E.array[G+6]=ra.x,E.array[G+7]=ra.y,G+=8}}else if(3===E.size){var ja;ja="c"===E.type?["r","g","b"]:["x","y","z"];if(void 0===E.boundTo||"vertices"===E.boundTo){M=0;for(fa=xa.length;M<fa;M++)Z=nb[xa[M]],$=E.value[Z.a],aa=E.value[Z.b],X=E.value[Z.c],E.array[G]=$[ja[0]],E.array[G+1]=$[ja[1]],E.array[G+2]=$[ja[2]],E.array[G+3]=aa[ja[0]],E.array[G+4]=aa[ja[1]],E.array[G+5]=aa[ja[2]],E.array[G+6]=X[ja[0]],E.array[G+7]=X[ja[1]],E.array[G+8]=X[ja[2]],G+=9;M=0;for(fa=ya.length;M<fa;M++)Z=nb[ya[M]],
-$=E.value[Z.a],aa=E.value[Z.b],X=E.value[Z.c],ra=E.value[Z.d],E.array[G]=$[ja[0]],E.array[G+1]=$[ja[1]],E.array[G+2]=$[ja[2]],E.array[G+3]=aa[ja[0]],E.array[G+4]=aa[ja[1]],E.array[G+5]=aa[ja[2]],E.array[G+6]=X[ja[0]],E.array[G+7]=X[ja[1]],E.array[G+8]=X[ja[2]],E.array[G+9]=ra[ja[0]],E.array[G+10]=ra[ja[1]],E.array[G+11]=ra[ja[2]],G+=12}else if("faces"===E.boundTo){M=0;for(fa=xa.length;M<fa;M++)X=aa=$=Ea=E.value[xa[M]],E.array[G]=$[ja[0]],E.array[G+1]=$[ja[1]],E.array[G+2]=$[ja[2]],E.array[G+3]=aa[ja[0]],
-E.array[G+4]=aa[ja[1]],E.array[G+5]=aa[ja[2]],E.array[G+6]=X[ja[0]],E.array[G+7]=X[ja[1]],E.array[G+8]=X[ja[2]],G+=9;M=0;for(fa=ya.length;M<fa;M++)ra=X=aa=$=Ea=E.value[ya[M]],E.array[G]=$[ja[0]],E.array[G+1]=$[ja[1]],E.array[G+2]=$[ja[2]],E.array[G+3]=aa[ja[0]],E.array[G+4]=aa[ja[1]],E.array[G+5]=aa[ja[2]],E.array[G+6]=X[ja[0]],E.array[G+7]=X[ja[1]],E.array[G+8]=X[ja[2]],E.array[G+9]=ra[ja[0]],E.array[G+10]=ra[ja[1]],E.array[G+11]=ra[ja[2]],G+=12}else if("faceVertices"===E.boundTo){M=0;for(fa=xa.length;M<
-fa;M++)Ea=E.value[xa[M]],$=Ea[0],aa=Ea[1],X=Ea[2],E.array[G]=$[ja[0]],E.array[G+1]=$[ja[1]],E.array[G+2]=$[ja[2]],E.array[G+3]=aa[ja[0]],E.array[G+4]=aa[ja[1]],E.array[G+5]=aa[ja[2]],E.array[G+6]=X[ja[0]],E.array[G+7]=X[ja[1]],E.array[G+8]=X[ja[2]],G+=9;M=0;for(fa=ya.length;M<fa;M++)Ea=E.value[ya[M]],$=Ea[0],aa=Ea[1],X=Ea[2],ra=Ea[3],E.array[G]=$[ja[0]],E.array[G+1]=$[ja[1]],E.array[G+2]=$[ja[2]],E.array[G+3]=aa[ja[0]],E.array[G+4]=aa[ja[1]],E.array[G+5]=aa[ja[2]],E.array[G+6]=X[ja[0]],E.array[G+
-7]=X[ja[1]],E.array[G+8]=X[ja[2]],E.array[G+9]=ra[ja[0]],E.array[G+10]=ra[ja[1]],E.array[G+11]=ra[ja[2]],G+=12}}else if(4===E.size)if(void 0===E.boundTo||"vertices"===E.boundTo){M=0;for(fa=xa.length;M<fa;M++)Z=nb[xa[M]],$=E.value[Z.a],aa=E.value[Z.b],X=E.value[Z.c],E.array[G]=$.x,E.array[G+1]=$.y,E.array[G+2]=$.z,E.array[G+3]=$.w,E.array[G+4]=aa.x,E.array[G+5]=aa.y,E.array[G+6]=aa.z,E.array[G+7]=aa.w,E.array[G+8]=X.x,E.array[G+9]=X.y,E.array[G+10]=X.z,E.array[G+11]=X.w,G+=12;M=0;for(fa=ya.length;M<
-fa;M++)Z=nb[ya[M]],$=E.value[Z.a],aa=E.value[Z.b],X=E.value[Z.c],ra=E.value[Z.d],E.array[G]=$.x,E.array[G+1]=$.y,E.array[G+2]=$.z,E.array[G+3]=$.w,E.array[G+4]=aa.x,E.array[G+5]=aa.y,E.array[G+6]=aa.z,E.array[G+7]=aa.w,E.array[G+8]=X.x,E.array[G+9]=X.y,E.array[G+10]=X.z,E.array[G+11]=X.w,E.array[G+12]=ra.x,E.array[G+13]=ra.y,E.array[G+14]=ra.z,E.array[G+15]=ra.w,G+=16}else if("faces"===E.boundTo){M=0;for(fa=xa.length;M<fa;M++)X=aa=$=Ea=E.value[xa[M]],E.array[G]=$.x,E.array[G+1]=$.y,E.array[G+2]=$.z,
-E.array[G+3]=$.w,E.array[G+4]=aa.x,E.array[G+5]=aa.y,E.array[G+6]=aa.z,E.array[G+7]=aa.w,E.array[G+8]=X.x,E.array[G+9]=X.y,E.array[G+10]=X.z,E.array[G+11]=X.w,G+=12;M=0;for(fa=ya.length;M<fa;M++)ra=X=aa=$=Ea=E.value[ya[M]],E.array[G]=$.x,E.array[G+1]=$.y,E.array[G+2]=$.z,E.array[G+3]=$.w,E.array[G+4]=aa.x,E.array[G+5]=aa.y,E.array[G+6]=aa.z,E.array[G+7]=aa.w,E.array[G+8]=X.x,E.array[G+9]=X.y,E.array[G+10]=X.z,E.array[G+11]=X.w,E.array[G+12]=ra.x,E.array[G+13]=ra.y,E.array[G+14]=ra.z,E.array[G+15]=
-ra.w,G+=16}else if("faceVertices"===E.boundTo){M=0;for(fa=xa.length;M<fa;M++)Ea=E.value[xa[M]],$=Ea[0],aa=Ea[1],X=Ea[2],E.array[G]=$.x,E.array[G+1]=$.y,E.array[G+2]=$.z,E.array[G+3]=$.w,E.array[G+4]=aa.x,E.array[G+5]=aa.y,E.array[G+6]=aa.z,E.array[G+7]=aa.w,E.array[G+8]=X.x,E.array[G+9]=X.y,E.array[G+10]=X.z,E.array[G+11]=X.w,G+=12;M=0;for(fa=ya.length;M<fa;M++)Ea=E.value[ya[M]],$=Ea[0],aa=Ea[1],X=Ea[2],ra=Ea[3],E.array[G]=$.x,E.array[G+1]=$.y,E.array[G+2]=$.z,E.array[G+3]=$.w,E.array[G+4]=aa.x,E.array[G+
-5]=aa.y,E.array[G+6]=aa.z,E.array[G+7]=aa.w,E.array[G+8]=X.x,E.array[G+9]=X.y,E.array[G+10]=X.z,E.array[G+11]=X.w,E.array[G+12]=ra.x,E.array[G+13]=ra.y,E.array[G+14]=ra.z,E.array[G+15]=ra.w,G+=16}r.bindBuffer(r.ARRAY_BUFFER,E.buffer);r.bufferData(r.ARRAY_BUFFER,E.array,Bb)}Jd&&(delete sa.__inittedArrays,delete sa.__colorArray,delete sa.__normalArray,delete sa.__tangentArray,delete sa.__uvArray,delete sa.__uv2Array,delete sa.__faceArray,delete sa.__vertexArray,delete sa.__lineArray,delete sa.__skinIndexArray,
-delete sa.__skinWeightArray)}}Y.verticesNeedUpdate=!1;Y.morphTargetsNeedUpdate=!1;Y.elementsNeedUpdate=!1;Y.uvsNeedUpdate=!1;Y.normalsNeedUpdate=!1;Y.colorsNeedUpdate=!1;Y.tangentsNeedUpdate=!1;Y.buffersNeedUpdate=!1;Wa.attributes&&y(Wa)}else if(qa instanceof THREE.Ribbon){Wa=e(qa,Y);Ib=Wa.attributes&&x(Wa);if(Y.verticesNeedUpdate||Y.colorsNeedUpdate||Y.normalsNeedUpdate||Ib){var Fb=Y,Mc=r.DYNAMIC_DRAW,zc=void 0,Ac=void 0,Bc=void 0,Nc=void 0,Fa=void 0,Oc=void 0,Pc=void 0,Qc=void 0,rd=void 0,hb=void 0,
-tc=void 0,Ka=void 0,wb=void 0,sd=Fb.vertices,td=Fb.colors,ud=Fb.normals,Kd=sd.length,Ld=td.length,Md=ud.length,Rc=Fb.__vertexArray,Sc=Fb.__colorArray,Tc=Fb.__normalArray,Nd=Fb.colorsNeedUpdate,Od=Fb.normalsNeedUpdate,hd=Fb.__webglCustomAttributesList;if(Fb.verticesNeedUpdate){for(zc=0;zc<Kd;zc++)Nc=sd[zc],Fa=3*zc,Rc[Fa]=Nc.x,Rc[Fa+1]=Nc.y,Rc[Fa+2]=Nc.z;r.bindBuffer(r.ARRAY_BUFFER,Fb.__webglVertexBuffer);r.bufferData(r.ARRAY_BUFFER,Rc,Mc)}if(Nd){for(Ac=0;Ac<Ld;Ac++)Oc=td[Ac],Fa=3*Ac,Sc[Fa]=Oc.r,Sc[Fa+
-1]=Oc.g,Sc[Fa+2]=Oc.b;r.bindBuffer(r.ARRAY_BUFFER,Fb.__webglColorBuffer);r.bufferData(r.ARRAY_BUFFER,Sc,Mc)}if(Od){for(Bc=0;Bc<Md;Bc++)Pc=ud[Bc],Fa=3*Bc,Tc[Fa]=Pc.x,Tc[Fa+1]=Pc.y,Tc[Fa+2]=Pc.z;r.bindBuffer(r.ARRAY_BUFFER,Fb.__webglNormalBuffer);r.bufferData(r.ARRAY_BUFFER,Tc,Mc)}if(hd)for(Qc=0,rd=hd.length;Qc<rd;Qc++)if(Ka=hd[Qc],Ka.needsUpdate&&(void 0===Ka.boundTo||"vertices"===Ka.boundTo)){Fa=0;tc=Ka.value.length;if(1===Ka.size)for(hb=0;hb<tc;hb++)Ka.array[hb]=Ka.value[hb];else if(2===Ka.size)for(hb=
-0;hb<tc;hb++)wb=Ka.value[hb],Ka.array[Fa]=wb.x,Ka.array[Fa+1]=wb.y,Fa+=2;else if(3===Ka.size)if("c"===Ka.type)for(hb=0;hb<tc;hb++)wb=Ka.value[hb],Ka.array[Fa]=wb.r,Ka.array[Fa+1]=wb.g,Ka.array[Fa+2]=wb.b,Fa+=3;else for(hb=0;hb<tc;hb++)wb=Ka.value[hb],Ka.array[Fa]=wb.x,Ka.array[Fa+1]=wb.y,Ka.array[Fa+2]=wb.z,Fa+=3;else if(4===Ka.size)for(hb=0;hb<tc;hb++)wb=Ka.value[hb],Ka.array[Fa]=wb.x,Ka.array[Fa+1]=wb.y,Ka.array[Fa+2]=wb.z,Ka.array[Fa+3]=wb.w,Fa+=4;r.bindBuffer(r.ARRAY_BUFFER,Ka.buffer);r.bufferData(r.ARRAY_BUFFER,
-Ka.array,Mc)}}Y.verticesNeedUpdate=!1;Y.colorsNeedUpdate=!1;Y.normalsNeedUpdate=!1;Wa.attributes&&y(Wa)}else if(qa instanceof THREE.Line){Wa=e(qa,Y);Ib=Wa.attributes&&x(Wa);if(Y.verticesNeedUpdate||Y.colorsNeedUpdate||Y.lineDistancesNeedUpdate||Ib){var Gb=Y,Uc=r.DYNAMIC_DRAW,Cc=void 0,Dc=void 0,Ec=void 0,Vc=void 0,Pa=void 0,Wc=void 0,vd=Gb.vertices,wd=Gb.colors,xd=Gb.lineDistances,Pd=vd.length,Qd=wd.length,Rd=xd.length,Xc=Gb.__vertexArray,Yc=Gb.__colorArray,yd=Gb.__lineDistanceArray,Sd=Gb.colorsNeedUpdate,
-Td=Gb.lineDistancesNeedUpdate,id=Gb.__webglCustomAttributesList,Zc=void 0,zd=void 0,ib=void 0,uc=void 0,xb=void 0,La=void 0;if(Gb.verticesNeedUpdate){for(Cc=0;Cc<Pd;Cc++)Vc=vd[Cc],Pa=3*Cc,Xc[Pa]=Vc.x,Xc[Pa+1]=Vc.y,Xc[Pa+2]=Vc.z;r.bindBuffer(r.ARRAY_BUFFER,Gb.__webglVertexBuffer);r.bufferData(r.ARRAY_BUFFER,Xc,Uc)}if(Sd){for(Dc=0;Dc<Qd;Dc++)Wc=wd[Dc],Pa=3*Dc,Yc[Pa]=Wc.r,Yc[Pa+1]=Wc.g,Yc[Pa+2]=Wc.b;r.bindBuffer(r.ARRAY_BUFFER,Gb.__webglColorBuffer);r.bufferData(r.ARRAY_BUFFER,Yc,Uc)}if(Td){for(Ec=0;Ec<
-Rd;Ec++)yd[Ec]=xd[Ec];r.bindBuffer(r.ARRAY_BUFFER,Gb.__webglLineDistanceBuffer);r.bufferData(r.ARRAY_BUFFER,yd,Uc)}if(id)for(Zc=0,zd=id.length;Zc<zd;Zc++)if(La=id[Zc],La.needsUpdate&&(void 0===La.boundTo||"vertices"===La.boundTo)){Pa=0;uc=La.value.length;if(1===La.size)for(ib=0;ib<uc;ib++)La.array[ib]=La.value[ib];else if(2===La.size)for(ib=0;ib<uc;ib++)xb=La.value[ib],La.array[Pa]=xb.x,La.array[Pa+1]=xb.y,Pa+=2;else if(3===La.size)if("c"===La.type)for(ib=0;ib<uc;ib++)xb=La.value[ib],La.array[Pa]=
-xb.r,La.array[Pa+1]=xb.g,La.array[Pa+2]=xb.b,Pa+=3;else for(ib=0;ib<uc;ib++)xb=La.value[ib],La.array[Pa]=xb.x,La.array[Pa+1]=xb.y,La.array[Pa+2]=xb.z,Pa+=3;else if(4===La.size)for(ib=0;ib<uc;ib++)xb=La.value[ib],La.array[Pa]=xb.x,La.array[Pa+1]=xb.y,La.array[Pa+2]=xb.z,La.array[Pa+3]=xb.w,Pa+=4;r.bindBuffer(r.ARRAY_BUFFER,La.buffer);r.bufferData(r.ARRAY_BUFFER,La.array,Uc)}}Y.verticesNeedUpdate=!1;Y.colorsNeedUpdate=!1;Y.lineDistancesNeedUpdate=!1;Wa.attributes&&y(Wa)}else qa instanceof THREE.ParticleSystem&&
-(Y instanceof THREE.BufferGeometry?((Y.verticesNeedUpdate||Y.colorsNeedUpdate)&&k(Y,r.DYNAMIC_DRAW,!Y.dynamic),Y.verticesNeedUpdate=!1,Y.colorsNeedUpdate=!1):(Wa=e(qa,Y),Ib=Wa.attributes&&x(Wa),(Y.verticesNeedUpdate||Y.colorsNeedUpdate||qa.sortParticles||Ib)&&l(Y,r.DYNAMIC_DRAW,qa),Y.verticesNeedUpdate=!1,Y.colorsNeedUpdate=!1,Wa.attributes&&y(Wa)))}};this.initMaterial=function(a,b,c,d){var e,f,g,h,k,l,m,s,q;a instanceof THREE.MeshDepthMaterial?q="depth":a instanceof THREE.MeshNormalMaterial?q="normal":
-a instanceof THREE.MeshBasicMaterial?q="basic":a instanceof THREE.MeshLambertMaterial?q="lambert":a instanceof THREE.MeshPhongMaterial?q="phong":a instanceof THREE.LineBasicMaterial?q="basic":a instanceof THREE.LineDashedMaterial?q="dashed":a instanceof THREE.ParticleBasicMaterial&&(q="particle_basic");if(q){var t=THREE.ShaderLib[q];a.uniforms=THREE.UniformsUtils.clone(t.uniforms);a.vertexShader=t.vertexShader;a.fragmentShader=t.fragmentShader}var u,v,w;e=u=v=w=t=0;for(f=b.length;e<f;e++)g=b[e],g.onlyShadow||
-(g instanceof THREE.DirectionalLight&&u++,g instanceof THREE.PointLight&&v++,g instanceof THREE.SpotLight&&w++,g instanceof THREE.HemisphereLight&&t++);e=u;f=v;g=w;h=t;t=u=0;for(w=b.length;t<w;t++)v=b[t],v.castShadow&&(v instanceof THREE.SpotLight&&u++,v instanceof THREE.DirectionalLight&&!v.shadowCascade&&u++);s=u;gc&&d&&d.useVertexTexture?m=1024:(b=r.getParameter(r.MAX_VERTEX_UNIFORM_VECTORS),b=Math.floor((b-20)/4),void 0!==d&&d instanceof THREE.SkinnedMesh&&(b=Math.min(d.bones.length,b),b<d.bones.length&&
-console.warn("WebGLRenderer: too many bones - "+d.bones.length+", this GPU supports just "+b+" (try OpenGL instead of ANGLE)")),m=b);var x;a:{v=a.fragmentShader;w=a.vertexShader;t=a.uniforms;b=a.attributes;u=a.defines;c={map:!!a.map,envMap:!!a.envMap,lightMap:!!a.lightMap,bumpMap:!!a.bumpMap,normalMap:!!a.normalMap,specularMap:!!a.specularMap,vertexColors:a.vertexColors,fog:c,useFog:a.fog,fogExp:c instanceof THREE.FogExp2,sizeAttenuation:a.sizeAttenuation,skinning:a.skinning,maxBones:m,useVertexTexture:gc&&
-d&&d.useVertexTexture,boneTextureWidth:d&&d.boneTextureWidth,boneTextureHeight:d&&d.boneTextureHeight,morphTargets:a.morphTargets,morphNormals:a.morphNormals,maxMorphTargets:this.maxMorphTargets,maxMorphNormals:this.maxMorphNormals,maxDirLights:e,maxPointLights:f,maxSpotLights:g,maxHemiLights:h,maxShadows:s,shadowMapEnabled:this.shadowMapEnabled&&d.receiveShadow,shadowMapSoft:this.shadowMapSoft,shadowMapDebug:this.shadowMapDebug,shadowMapCascade:this.shadowMapCascade,alphaTest:a.alphaTest,metal:a.metal,
-perPixel:a.perPixel,wrapAround:a.wrapAround,doubleSided:a.side===THREE.DoubleSide,flipSided:a.side===THREE.BackSide};var y,z,A;d=[];q?d.push(q):(d.push(v),d.push(w));for(z in u)d.push(z),d.push(u[z]);for(y in c)d.push(y),d.push(c[y]);q=d.join();y=0;for(z=U.length;y<z;y++)if(d=U[y],d.code===q){d.usedTimes++;x=d.program;break a}y=[];for(A in u)z=u[A],!1!==z&&(z="#define "+A+" "+z,y.push(z));z=y.join("\n");A=r.createProgram();y=["precision "+P+" float;",z,bc?"#define VERTEX_TEXTURES":"",Q.gammaInput?
-"#define GAMMA_INPUT":"",Q.gammaOutput?"#define GAMMA_OUTPUT":"",Q.physicallyBasedShading?"#define PHYSICALLY_BASED_SHADING":"","#define MAX_DIR_LIGHTS "+c.maxDirLights,"#define MAX_POINT_LIGHTS "+c.maxPointLights,"#define MAX_SPOT_LIGHTS "+c.maxSpotLights,"#define MAX_HEMI_LIGHTS "+c.maxHemiLights,"#define MAX_SHADOWS "+c.maxShadows,"#define MAX_BONES "+c.maxBones,c.map?"#define USE_MAP":"",c.envMap?"#define USE_ENVMAP":"",c.lightMap?"#define USE_LIGHTMAP":"",c.bumpMap?"#define USE_BUMPMAP":"",c.normalMap?
-"#define USE_NORMALMAP":"",c.specularMap?"#define USE_SPECULARMAP":"",c.vertexColors?"#define USE_COLOR":"",c.skinning?"#define USE_SKINNING":"",c.useVertexTexture?"#define BONE_TEXTURE":"",c.boneTextureWidth?"#define N_BONE_PIXEL_X "+c.boneTextureWidth.toFixed(1):"",c.boneTextureHeight?"#define N_BONE_PIXEL_Y "+c.boneTextureHeight.toFixed(1):"",c.morphTargets?"#define USE_MORPHTARGETS":"",c.morphNormals?"#define USE_MORPHNORMALS":"",c.perPixel?"#define PHONG_PER_PIXEL":"",c.wrapAround?"#define WRAP_AROUND":
-"",c.doubleSided?"#define DOUBLE_SIDED":"",c.flipSided?"#define FLIP_SIDED":"",c.shadowMapEnabled?"#define USE_SHADOWMAP":"",c.shadowMapSoft?"#define SHADOWMAP_SOFT":"",c.shadowMapDebug?"#define SHADOWMAP_DEBUG":"",c.shadowMapCascade?"#define SHADOWMAP_CASCADE":"",c.sizeAttenuation?"#define USE_SIZEATTENUATION":"","uniform mat4 modelMatrix;\nuniform mat4 modelViewMatrix;\nuniform mat4 projectionMatrix;\nuniform mat4 viewMatrix;\nuniform mat3 normalMatrix;\nuniform vec3 cameraPosition;\nattribute vec3 position;\nattribute vec3 normal;\nattribute vec2 uv;\nattribute vec2 uv2;\n#ifdef USE_COLOR\nattribute vec3 color;\n#endif\n#ifdef USE_MORPHTARGETS\nattribute vec3 morphTarget0;\nattribute vec3 morphTarget1;\nattribute vec3 morphTarget2;\nattribute vec3 morphTarget3;\n#ifdef USE_MORPHNORMALS\nattribute vec3 morphNormal0;\nattribute vec3 morphNormal1;\nattribute vec3 morphNormal2;\nattribute vec3 morphNormal3;\n#else\nattribute vec3 morphTarget4;\nattribute vec3 morphTarget5;\nattribute vec3 morphTarget6;\nattribute vec3 morphTarget7;\n#endif\n#endif\n#ifdef USE_SKINNING\nattribute vec4 skinIndex;\nattribute vec4 skinWeight;\n#endif\n"].join("\n");
-z=["precision "+P+" float;",c.bumpMap||c.normalMap?"#extension GL_OES_standard_derivatives : enable":"",z,"#define MAX_DIR_LIGHTS "+c.maxDirLights,"#define MAX_POINT_LIGHTS "+c.maxPointLights,"#define MAX_SPOT_LIGHTS "+c.maxSpotLights,"#define MAX_HEMI_LIGHTS "+c.maxHemiLights,"#define MAX_SHADOWS "+c.maxShadows,c.alphaTest?"#define ALPHATEST "+c.alphaTest:"",Q.gammaInput?"#define GAMMA_INPUT":"",Q.gammaOutput?"#define GAMMA_OUTPUT":"",Q.physicallyBasedShading?"#define PHYSICALLY_BASED_SHADING":"",
-c.useFog&&c.fog?"#define USE_FOG":"",c.useFog&&c.fogExp?"#define FOG_EXP2":"",c.map?"#define USE_MAP":"",c.envMap?"#define USE_ENVMAP":"",c.lightMap?"#define USE_LIGHTMAP":"",c.bumpMap?"#define USE_BUMPMAP":"",c.normalMap?"#define USE_NORMALMAP":"",c.specularMap?"#define USE_SPECULARMAP":"",c.vertexColors?"#define USE_COLOR":"",c.metal?"#define METAL":"",c.perPixel?"#define PHONG_PER_PIXEL":"",c.wrapAround?"#define WRAP_AROUND":"",c.doubleSided?"#define DOUBLE_SIDED":"",c.flipSided?"#define FLIP_SIDED":
-"",c.shadowMapEnabled?"#define USE_SHADOWMAP":"",c.shadowMapSoft?"#define SHADOWMAP_SOFT":"",c.shadowMapDebug?"#define SHADOWMAP_DEBUG":"",c.shadowMapCascade?"#define SHADOWMAP_CASCADE":"","uniform mat4 viewMatrix;\nuniform vec3 cameraPosition;\n"].join("\n");z=L("fragment",z+v);y=L("vertex",y+w);r.attachShader(A,y);r.attachShader(A,z);r.linkProgram(A);r.getProgramParameter(A,r.LINK_STATUS)||console.error("Could not initialise shader\nVALIDATE_STATUS: "+r.getProgramParameter(A,r.VALIDATE_STATUS)+
-", gl error ["+r.getError()+"]");r.deleteShader(z);r.deleteShader(y);A.uniforms={};A.attributes={};var C;y="viewMatrix modelViewMatrix projectionMatrix normalMatrix modelMatrix cameraPosition morphTargetInfluences".split(" ");c.useVertexTexture?y.push("boneTexture"):y.push("boneGlobalMatrices");for(C in t)y.push(C);C=y;y=0;for(z=C.length;y<z;y++)d=C[y],A.uniforms[d]=r.getUniformLocation(A,d);y="position normal uv uv2 tangent color skinIndex skinWeight lineDistance".split(" ");for(C=0;C<c.maxMorphTargets;C++)y.push("morphTarget"+
-C);for(C=0;C<c.maxMorphNormals;C++)y.push("morphNormal"+C);for(x in b)y.push(x);x=y;C=0;for(b=x.length;C<b;C++)y=x[C],A.attributes[y]=r.getAttribLocation(A,y);A.id=ia++;U.push({program:A,code:q,usedTimes:1});Q.info.memory.programs=U.length;x=A}a.program=x;x=a.program.attributes;0<=x.position&&r.enableVertexAttribArray(x.position);0<=x.color&&r.enableVertexAttribArray(x.color);0<=x.normal&&r.enableVertexAttribArray(x.normal);0<=x.tangent&&r.enableVertexAttribArray(x.tangent);0<=x.lineDistance&&r.enableVertexAttribArray(x.lineDistance);
-a.skinning&&0<=x.skinIndex&&0<=x.skinWeight&&(r.enableVertexAttribArray(x.skinIndex),r.enableVertexAttribArray(x.skinWeight));if(a.attributes)for(l in a.attributes)void 0!==x[l]&&0<=x[l]&&r.enableVertexAttribArray(x[l]);if(a.morphTargets)for(a.numSupportedMorphTargets=0,A="morphTarget",l=0;l<this.maxMorphTargets;l++)C=A+l,0<=x[C]&&(r.enableVertexAttribArray(x[C]),a.numSupportedMorphTargets++);if(a.morphNormals)for(a.numSupportedMorphNormals=0,A="morphNormal",l=0;l<this.maxMorphNormals;l++)C=A+l,0<=
-x[C]&&(r.enableVertexAttribArray(x[C]),a.numSupportedMorphNormals++);a.uniformsList=[];for(k in a.uniforms)a.uniformsList.push([a.uniforms[k],k])};this.setFaceCulling=function(a,b){a?(b&&"ccw"!==b?r.frontFace(r.CW):r.frontFace(r.CCW),"back"===a?r.cullFace(r.BACK):"front"===a?r.cullFace(r.FRONT):r.cullFace(r.FRONT_AND_BACK),r.enable(r.CULL_FACE)):r.disable(r.CULL_FACE)};this.setMaterialFaces=function(a){var b=a.side===THREE.DoubleSide;a=a.side===THREE.BackSide;pa!==b&&(b?r.disable(r.CULL_FACE):r.enable(r.CULL_FACE),
-pa=b);Ga!==a&&(a?r.frontFace(r.CW):r.frontFace(r.CCW),Ga=a)};this.setDepthTest=function(a){eb!==a&&(a?r.enable(r.DEPTH_TEST):r.disable(r.DEPTH_TEST),eb=a)};this.setDepthWrite=function(a){kb!==a&&(r.depthMask(a),kb=a)};this.setBlending=function(a,b,c,d){a!==Aa&&(a===THREE.NoBlending?r.disable(r.BLEND):a===THREE.AdditiveBlending?(r.enable(r.BLEND),r.blendEquation(r.FUNC_ADD),r.blendFunc(r.SRC_ALPHA,r.ONE)):a===THREE.SubtractiveBlending?(r.enable(r.BLEND),r.blendEquation(r.FUNC_ADD),r.blendFunc(r.ZERO,
-r.ONE_MINUS_SRC_COLOR)):a===THREE.MultiplyBlending?(r.enable(r.BLEND),r.blendEquation(r.FUNC_ADD),r.blendFunc(r.ZERO,r.SRC_COLOR)):a===THREE.CustomBlending?r.enable(r.BLEND):(r.enable(r.BLEND),r.blendEquationSeparate(r.FUNC_ADD,r.FUNC_ADD),r.blendFuncSeparate(r.SRC_ALPHA,r.ONE_MINUS_SRC_ALPHA,r.ONE,r.ONE_MINUS_SRC_ALPHA)),Aa=a);if(a===THREE.CustomBlending){if(b!==ua&&(r.blendEquation(O(b)),ua=b),c!==ob||d!==jb)r.blendFunc(O(c),O(d)),ob=c,jb=d}else jb=ob=ua=null};this.setTexture=function(a,b){if(a.needsUpdate){a.__webglInit||
-(a.__webglInit=!0,a.__webglTexture=r.createTexture(),Q.info.memory.textures++);r.activeTexture(r.TEXTURE0+b);r.bindTexture(r.TEXTURE_2D,a.__webglTexture);r.pixelStorei(r.UNPACK_FLIP_Y_WEBGL,a.flipY);r.pixelStorei(r.UNPACK_PREMULTIPLY_ALPHA_WEBGL,a.premultiplyAlpha);var c=a.image,d=H(c.width)&&H(c.height),e=O(a.format),f=O(a.type);T(r.TEXTURE_2D,a,d);if(a instanceof THREE.CompressedTexture)for(var f=a.mipmaps,g=0,h=f.length;g<h;g++)c=f[g],r.compressedTexImage2D(r.TEXTURE_2D,g,e,c.width,c.height,0,
-c.data);else a instanceof THREE.DataTexture?r.texImage2D(r.TEXTURE_2D,0,e,c.width,c.height,0,e,f,c.data):r.texImage2D(r.TEXTURE_2D,0,e,e,f,a.image);a.generateMipmaps&&d&&r.generateMipmap(r.TEXTURE_2D);a.needsUpdate=!1;if(a.onUpdate)a.onUpdate()}else r.activeTexture(r.TEXTURE0+b),r.bindTexture(r.TEXTURE_2D,a.__webglTexture)};this.setRenderTarget=function(a){var b=a instanceof THREE.WebGLRenderTargetCube;if(a&&!a.__webglFramebuffer){void 0===a.depthBuffer&&(a.depthBuffer=!0);void 0===a.stencilBuffer&&
-(a.stencilBuffer=!0);a.__webglTexture=r.createTexture();var c=H(a.width)&&H(a.height),d=O(a.format),e=O(a.type);if(b){a.__webglFramebuffer=[];a.__webglRenderbuffer=[];r.bindTexture(r.TEXTURE_CUBE_MAP,a.__webglTexture);T(r.TEXTURE_CUBE_MAP,a,c);for(var f=0;6>f;f++){a.__webglFramebuffer[f]=r.createFramebuffer();a.__webglRenderbuffer[f]=r.createRenderbuffer();r.texImage2D(r.TEXTURE_CUBE_MAP_POSITIVE_X+f,0,d,a.width,a.height,0,d,e,null);var g=a,h=r.TEXTURE_CUBE_MAP_POSITIVE_X+f;r.bindFramebuffer(r.FRAMEBUFFER,
-a.__webglFramebuffer[f]);r.framebufferTexture2D(r.FRAMEBUFFER,r.COLOR_ATTACHMENT0,h,g.__webglTexture,0);R(a.__webglRenderbuffer[f],a)}c&&r.generateMipmap(r.TEXTURE_CUBE_MAP)}else a.__webglFramebuffer=r.createFramebuffer(),a.__webglRenderbuffer=r.createRenderbuffer(),r.bindTexture(r.TEXTURE_2D,a.__webglTexture),T(r.TEXTURE_2D,a,c),r.texImage2D(r.TEXTURE_2D,0,d,a.width,a.height,0,d,e,null),d=r.TEXTURE_2D,r.bindFramebuffer(r.FRAMEBUFFER,a.__webglFramebuffer),r.framebufferTexture2D(r.FRAMEBUFFER,r.COLOR_ATTACHMENT0,
-d,a.__webglTexture,0),R(a.__webglRenderbuffer,a),c&&r.generateMipmap(r.TEXTURE_2D);b?r.bindTexture(r.TEXTURE_CUBE_MAP,null):r.bindTexture(r.TEXTURE_2D,null);r.bindRenderbuffer(r.RENDERBUFFER,null);r.bindFramebuffer(r.FRAMEBUFFER,null)}a?(b=b?a.__webglFramebuffer[a.activeCubeFace]:a.__webglFramebuffer,c=a.width,a=a.height,e=d=0):(b=null,c=Ha,a=qb,d=va,e=fb);b!==ga&&(r.bindFramebuffer(r.FRAMEBUFFER,b),r.viewport(d,e,c,a),ga=b);Za=c;Ia=a};this.shadowMapPlugin=new THREE.ShadowMapPlugin;this.addPrePlugin(this.shadowMapPlugin);
-this.addPostPlugin(new THREE.SpritePlugin);this.addPostPlugin(new THREE.LensFlarePlugin)};
-THREE.WebGLRenderTarget=function(a,b,c){this.width=a;this.height=b;c=c||{};this.wrapS=void 0!==c.wrapS?c.wrapS:THREE.ClampToEdgeWrapping;this.wrapT=void 0!==c.wrapT?c.wrapT:THREE.ClampToEdgeWrapping;this.magFilter=void 0!==c.magFilter?c.magFilter:THREE.LinearFilter;this.minFilter=void 0!==c.minFilter?c.minFilter:THREE.LinearMipMapLinearFilter;this.anisotropy=void 0!==c.anisotropy?c.anisotropy:1;this.offset=new THREE.Vector2(0,0);this.repeat=new THREE.Vector2(1,1);this.format=void 0!==c.format?c.format:
-THREE.RGBAFormat;this.type=void 0!==c.type?c.type:THREE.UnsignedByteType;this.depthBuffer=void 0!==c.depthBuffer?c.depthBuffer:!0;this.stencilBuffer=void 0!==c.stencilBuffer?c.stencilBuffer:!0;this.generateMipmaps=!0};
-THREE.WebGLRenderTarget.prototype.clone=function(){var a=new THREE.WebGLRenderTarget(this.width,this.height);a.wrapS=this.wrapS;a.wrapT=this.wrapT;a.magFilter=this.magFilter;a.anisotropy=this.anisotropy;a.minFilter=this.minFilter;a.offset.copy(this.offset);a.repeat.copy(this.repeat);a.format=this.format;a.type=this.type;a.depthBuffer=this.depthBuffer;a.stencilBuffer=this.stencilBuffer;a.generateMipmaps=this.generateMipmaps;return a};
-THREE.WebGLRenderTargetCube=function(a,b,c){THREE.WebGLRenderTarget.call(this,a,b,c);this.activeCubeFace=0};THREE.WebGLRenderTargetCube.prototype=Object.create(THREE.WebGLRenderTarget.prototype);THREE.RenderableVertex=function(){this.positionWorld=new THREE.Vector3;this.positionScreen=new THREE.Vector4;this.visible=!0};THREE.RenderableVertex.prototype.copy=function(a){this.positionWorld.copy(a.positionWorld);this.positionScreen.copy(a.positionScreen)};
-THREE.RenderableFace3=function(){this.v1=new THREE.RenderableVertex;this.v2=new THREE.RenderableVertex;this.v3=new THREE.RenderableVertex;this.centroidWorld=new THREE.Vector3;this.centroidScreen=new THREE.Vector3;this.normalWorld=new THREE.Vector3;this.vertexNormalsWorld=[new THREE.Vector3,new THREE.Vector3,new THREE.Vector3];this.vertexNormalsLength=0;this.material=this.color=null;this.uvs=[[]];this.z=null};
-THREE.RenderableFace4=function(){this.v1=new THREE.RenderableVertex;this.v2=new THREE.RenderableVertex;this.v3=new THREE.RenderableVertex;this.v4=new THREE.RenderableVertex;this.centroidWorld=new THREE.Vector3;this.centroidScreen=new THREE.Vector3;this.normalWorld=new THREE.Vector3;this.vertexNormalsWorld=[new THREE.Vector3,new THREE.Vector3,new THREE.Vector3,new THREE.Vector3];this.vertexNormalsLength=0;this.material=this.color=null;this.uvs=[[]];this.z=null};
-THREE.RenderableObject=function(){this.z=this.object=null};THREE.RenderableParticle=function(){this.rotation=this.z=this.y=this.x=this.object=null;this.scale=new THREE.Vector2;this.material=null};THREE.RenderableLine=function(){this.z=null;this.v1=new THREE.RenderableVertex;this.v2=new THREE.RenderableVertex;this.material=null};
-THREE.ColorUtils={adjustHSV:function(a,b,c,d){var e=THREE.ColorUtils.__hsv;a.getHSV(e);e.h=THREE.Math.clamp(e.h+b,0,1);e.s=THREE.Math.clamp(e.s+c,0,1);e.v=THREE.Math.clamp(e.v+d,0,1);a.setHSV(e.h,e.s,e.v)}};THREE.ColorUtils.__hsv={h:0,s:0,v:0};
-THREE.GeometryUtils={merge:function(a,b){var c,d,e=a.vertices.length,f=b instanceof THREE.Mesh?b.geometry:b,g=a.vertices,h=f.vertices,l=a.faces,k=f.faces,q=a.faceVertexUvs[0],f=f.faceVertexUvs[0];b instanceof THREE.Mesh&&(b.matrixAutoUpdate&&b.updateMatrix(),c=b.matrix,d=new THREE.Matrix4,d.extractRotation(c,b.scale));for(var s=0,t=h.length;s<t;s++){var v=h[s].clone();c&&c.multiplyVector3(v);g.push(v)}s=0;for(t=k.length;s<t;s++){var v=k[s],u,w,x=v.vertexNormals,y=v.vertexColors;v instanceof THREE.Face3?
-u=new THREE.Face3(v.a+e,v.b+e,v.c+e):v instanceof THREE.Face4&&(u=new THREE.Face4(v.a+e,v.b+e,v.c+e,v.d+e));u.normal.copy(v.normal);d&&d.multiplyVector3(u.normal);g=0;for(h=x.length;g<h;g++)w=x[g].clone(),d&&d.multiplyVector3(w),u.vertexNormals.push(w);u.color.copy(v.color);g=0;for(h=y.length;g<h;g++)w=y[g],u.vertexColors.push(w.clone());u.materialIndex=v.materialIndex;u.centroid.copy(v.centroid);c&&c.multiplyVector3(u.centroid);l.push(u)}s=0;for(t=f.length;s<t;s++){c=f[s];d=[];g=0;for(h=c.length;g<
-h;g++)d.push(new THREE.UV(c[g].u,c[g].v));q.push(d)}},removeMaterials:function(a,b){for(var c={},d=0,e=b.length;d<e;d++)c[b[d]]=!0;for(var f,g=[],d=0,e=a.faces.length;d<e;d++)f=a.faces[d],f.materialIndex in c||g.push(f);a.faces=g},randomPointInTriangle:function(a,b,c){var d,e,f,g=new THREE.Vector3,h=THREE.GeometryUtils.__v1;d=THREE.GeometryUtils.random();e=THREE.GeometryUtils.random();1<d+e&&(d=1-d,e=1-e);f=1-d-e;g.copy(a);g.multiplyScalar(d);h.copy(b);h.multiplyScalar(e);g.addSelf(h);h.copy(c);h.multiplyScalar(f);
-g.addSelf(h);return g},randomPointInFace:function(a,b,c){var d,e,f;if(a instanceof THREE.Face3)return d=b.vertices[a.a],e=b.vertices[a.b],f=b.vertices[a.c],THREE.GeometryUtils.randomPointInTriangle(d,e,f);if(a instanceof THREE.Face4){d=b.vertices[a.a];e=b.vertices[a.b];f=b.vertices[a.c];b=b.vertices[a.d];var g;c?a._area1&&a._area2?(c=a._area1,g=a._area2):(c=THREE.GeometryUtils.triangleArea(d,e,b),g=THREE.GeometryUtils.triangleArea(e,f,b),a._area1=c,a._area2=g):(c=THREE.GeometryUtils.triangleArea(d,
-e,b),g=THREE.GeometryUtils.triangleArea(e,f,b));return THREE.GeometryUtils.random()*(c+g)<c?THREE.GeometryUtils.randomPointInTriangle(d,e,b):THREE.GeometryUtils.randomPointInTriangle(e,f,b)}},randomPointsInGeometry:function(a,b){function c(a){function b(c,d){if(d<c)return c;var e=c+Math.floor((d-c)/2);return k[e]>a?b(c,e-1):k[e]<a?b(e+1,d):e}return b(0,k.length-1)}var d,e,f=a.faces,g=a.vertices,h=f.length,l=0,k=[],q,s,t,v;for(e=0;e<h;e++)d=f[e],d instanceof THREE.Face3?(q=g[d.a],s=g[d.b],t=g[d.c],
-d._area=THREE.GeometryUtils.triangleArea(q,s,t)):d instanceof THREE.Face4&&(q=g[d.a],s=g[d.b],t=g[d.c],v=g[d.d],d._area1=THREE.GeometryUtils.triangleArea(q,s,v),d._area2=THREE.GeometryUtils.triangleArea(s,t,v),d._area=d._area1+d._area2),l+=d._area,k[e]=l;d=[];for(e=0;e<b;e++)g=THREE.GeometryUtils.random()*l,g=c(g),d[e]=THREE.GeometryUtils.randomPointInFace(f[g],a,!0);return d},triangleArea:function(a,b,c){var d,e=THREE.GeometryUtils.__v1;e.sub(a,b);d=e.length();e.sub(a,c);a=e.length();e.sub(b,c);
-c=e.length();b=0.5*(d+a+c);return Math.sqrt(b*(b-d)*(b-a)*(b-c))},center:function(a){a.computeBoundingBox();var b=a.boundingBox,c=new THREE.Vector3;c.add(b.min,b.max);c.multiplyScalar(-0.5);a.applyMatrix((new THREE.Matrix4).makeTranslation(c.x,c.y,c.z));a.computeBoundingBox();return c},normalizeUVs:function(a){a=a.faceVertexUvs[0];for(var b=0,c=a.length;b<c;b++)for(var d=a[b],e=0,f=d.length;e<f;e++)1!==d[e].u&&(d[e].u-=Math.floor(d[e].u)),1!==d[e].v&&(d[e].v-=Math.floor(d[e].v))},triangulateQuads:function(a){var b,
-c,d,e,f=[],g=[],h=[];b=0;for(c=a.faceUvs.length;b<c;b++)g[b]=[];b=0;for(c=a.faceVertexUvs.length;b<c;b++)h[b]=[];b=0;for(c=a.faces.length;b<c;b++)if(d=a.faces[b],d instanceof THREE.Face4){e=d.a;var l=d.b,k=d.c,q=d.d,s=new THREE.Face3,t=new THREE.Face3;s.color.copy(d.color);t.color.copy(d.color);s.materialIndex=d.materialIndex;t.materialIndex=d.materialIndex;s.a=e;s.b=l;s.c=q;t.a=l;t.b=k;t.c=q;4===d.vertexColors.length&&(s.vertexColors[0]=d.vertexColors[0].clone(),s.vertexColors[1]=d.vertexColors[1].clone(),
-s.vertexColors[2]=d.vertexColors[3].clone(),t.vertexColors[0]=d.vertexColors[1].clone(),t.vertexColors[1]=d.vertexColors[2].clone(),t.vertexColors[2]=d.vertexColors[3].clone());f.push(s,t);d=0;for(e=a.faceVertexUvs.length;d<e;d++)a.faceVertexUvs[d].length&&(s=a.faceVertexUvs[d][b],l=s[1],k=s[2],q=s[3],s=[s[0].clone(),l.clone(),q.clone()],l=[l.clone(),k.clone(),q.clone()],h[d].push(s,l));d=0;for(e=a.faceUvs.length;d<e;d++)a.faceUvs[d].length&&(l=a.faceUvs[d][b],g[d].push(l,l))}else{f.push(d);d=0;for(e=
-a.faceUvs.length;d<e;d++)g[d].push(a.faceUvs[d][b]);d=0;for(e=a.faceVertexUvs.length;d<e;d++)h[d].push(a.faceVertexUvs[d][b])}a.faces=f;a.faceUvs=g;a.faceVertexUvs=h;a.computeCentroids();a.computeFaceNormals();a.computeVertexNormals();a.hasTangents&&a.computeTangents()},explode:function(a){for(var b=[],c=0,d=a.faces.length;c<d;c++){var e=b.length,f=a.faces[c];if(f instanceof THREE.Face4){var g=f.a,h=f.b,l=f.c,g=a.vertices[g],h=a.vertices[h],l=a.vertices[l],k=a.vertices[f.d];b.push(g.clone());b.push(h.clone());
-b.push(l.clone());b.push(k.clone());f.a=e;f.b=e+1;f.c=e+2;f.d=e+3}else g=f.a,h=f.b,l=f.c,g=a.vertices[g],h=a.vertices[h],l=a.vertices[l],b.push(g.clone()),b.push(h.clone()),b.push(l.clone()),f.a=e,f.b=e+1,f.c=e+2}a.vertices=b;delete a.__tmpVertices},tessellate:function(a,b){var c,d,e,f,g,h,l,k,q,s,t,v,u,w,x,y,A,C,B,z=[],D=[];c=0;for(d=a.faceVertexUvs.length;c<d;c++)D[c]=[];c=0;for(d=a.faces.length;c<d;c++)if(e=a.faces[c],e instanceof THREE.Face3)if(f=e.a,g=e.b,h=e.c,k=a.vertices[f],q=a.vertices[g],
-s=a.vertices[h],v=k.distanceTo(q),u=q.distanceTo(s),t=k.distanceTo(s),v>b||u>b||t>b)for(l=a.vertices.length,C=e.clone(),B=e.clone(),v>=u&&v>=t?(k=k.clone(),k.lerpSelf(q,0.5),C.a=f,C.b=l,C.c=h,B.a=l,B.b=g,B.c=h,3===e.vertexNormals.length&&(f=e.vertexNormals[0].clone(),f.lerpSelf(e.vertexNormals[1],0.5),C.vertexNormals[1].copy(f),B.vertexNormals[0].copy(f)),3===e.vertexColors.length&&(f=e.vertexColors[0].clone(),f.lerpSelf(e.vertexColors[1],0.5),C.vertexColors[1].copy(f),B.vertexColors[0].copy(f)),
-e=0):u>=v&&u>=t?(k=q.clone(),k.lerpSelf(s,0.5),C.a=f,C.b=g,C.c=l,B.a=l,B.b=h,B.c=f,3===e.vertexNormals.length&&(f=e.vertexNormals[1].clone(),f.lerpSelf(e.vertexNormals[2],0.5),C.vertexNormals[2].copy(f),B.vertexNormals[0].copy(f),B.vertexNormals[1].copy(e.vertexNormals[2]),B.vertexNormals[2].copy(e.vertexNormals[0])),3===e.vertexColors.length&&(f=e.vertexColors[1].clone(),f.lerpSelf(e.vertexColors[2],0.5),C.vertexColors[2].copy(f),B.vertexColors[0].copy(f),B.vertexColors[1].copy(e.vertexColors[2]),
-B.vertexColors[2].copy(e.vertexColors[0])),e=1):(k=k.clone(),k.lerpSelf(s,0.5),C.a=f,C.b=g,C.c=l,B.a=l,B.b=g,B.c=h,3===e.vertexNormals.length&&(f=e.vertexNormals[0].clone(),f.lerpSelf(e.vertexNormals[2],0.5),C.vertexNormals[2].copy(f),B.vertexNormals[0].copy(f)),3===e.vertexColors.length&&(f=e.vertexColors[0].clone(),f.lerpSelf(e.vertexColors[2],0.5),C.vertexColors[2].copy(f),B.vertexColors[0].copy(f)),e=2),z.push(C,B),a.vertices.push(k),f=0,g=a.faceVertexUvs.length;f<g;f++)a.faceVertexUvs[f].length&&
-(k=a.faceVertexUvs[f][c],B=k[0],h=k[1],C=k[2],0===e?(q=B.clone(),q.lerpSelf(h,0.5),k=[B.clone(),q.clone(),C.clone()],h=[q.clone(),h.clone(),C.clone()]):1===e?(q=h.clone(),q.lerpSelf(C,0.5),k=[B.clone(),h.clone(),q.clone()],h=[q.clone(),C.clone(),B.clone()]):(q=B.clone(),q.lerpSelf(C,0.5),k=[B.clone(),h.clone(),q.clone()],h=[q.clone(),h.clone(),C.clone()]),D[f].push(k,h));else for(z.push(e),f=0,g=a.faceVertexUvs.length;f<g;f++)D[f].push(a.faceVertexUvs[f][c]);else if(f=e.a,g=e.b,h=e.c,l=e.d,k=a.vertices[f],
-q=a.vertices[g],s=a.vertices[h],t=a.vertices[l],v=k.distanceTo(q),u=q.distanceTo(s),w=s.distanceTo(t),x=k.distanceTo(t),v>b||u>b||w>b||x>b)for(y=a.vertices.length,A=a.vertices.length+1,C=e.clone(),B=e.clone(),v>=u&&v>=w&&v>=x||w>=u&&w>=v&&w>=x?(v=k.clone(),v.lerpSelf(q,0.5),q=s.clone(),q.lerpSelf(t,0.5),C.a=f,C.b=y,C.c=A,C.d=l,B.a=y,B.b=g,B.c=h,B.d=A,4===e.vertexNormals.length&&(f=e.vertexNormals[0].clone(),f.lerpSelf(e.vertexNormals[1],0.5),g=e.vertexNormals[2].clone(),g.lerpSelf(e.vertexNormals[3],
-0.5),C.vertexNormals[1].copy(f),C.vertexNormals[2].copy(g),B.vertexNormals[0].copy(f),B.vertexNormals[3].copy(g)),4===e.vertexColors.length&&(f=e.vertexColors[0].clone(),f.lerpSelf(e.vertexColors[1],0.5),g=e.vertexColors[2].clone(),g.lerpSelf(e.vertexColors[3],0.5),C.vertexColors[1].copy(f),C.vertexColors[2].copy(g),B.vertexColors[0].copy(f),B.vertexColors[3].copy(g)),e=0):(v=q.clone(),v.lerpSelf(s,0.5),q=t.clone(),q.lerpSelf(k,0.5),C.a=f,C.b=g,C.c=y,C.d=A,B.a=A,B.b=y,B.c=h,B.d=l,4===e.vertexNormals.length&&
-(f=e.vertexNormals[1].clone(),f.lerpSelf(e.vertexNormals[2],0.5),g=e.vertexNormals[3].clone(),g.lerpSelf(e.vertexNormals[0],0.5),C.vertexNormals[2].copy(f),C.vertexNormals[3].copy(g),B.vertexNormals[0].copy(g),B.vertexNormals[1].copy(f)),4===e.vertexColors.length&&(f=e.vertexColors[1].clone(),f.lerpSelf(e.vertexColors[2],0.5),g=e.vertexColors[3].clone(),g.lerpSelf(e.vertexColors[0],0.5),C.vertexColors[2].copy(f),C.vertexColors[3].copy(g),B.vertexColors[0].copy(g),B.vertexColors[1].copy(f)),e=1),z.push(C,
-B),a.vertices.push(v,q),f=0,g=a.faceVertexUvs.length;f<g;f++)a.faceVertexUvs[f].length&&(k=a.faceVertexUvs[f][c],B=k[0],h=k[1],C=k[2],k=k[3],0===e?(q=B.clone(),q.lerpSelf(h,0.5),s=C.clone(),s.lerpSelf(k,0.5),B=[B.clone(),q.clone(),s.clone(),k.clone()],h=[q.clone(),h.clone(),C.clone(),s.clone()]):(q=h.clone(),q.lerpSelf(C,0.5),s=k.clone(),s.lerpSelf(B,0.5),B=[B.clone(),h.clone(),q.clone(),s.clone()],h=[s.clone(),q.clone(),C.clone(),k.clone()]),D[f].push(B,h));else for(z.push(e),f=0,g=a.faceVertexUvs.length;f<
-g;f++)D[f].push(a.faceVertexUvs[f][c]);a.faces=z;a.faceVertexUvs=D}};THREE.GeometryUtils.random=THREE.Math.random16;THREE.GeometryUtils.__v1=new THREE.Vector3;
-THREE.ImageUtils={crossOrigin:"anonymous",loadTexture:function(a,b,c,d){var e=new Image,f=new THREE.Texture(e,b);b=new THREE.ImageLoader;b.addEventListener("load",function(a){f.image=a.content;f.needsUpdate=!0;c&&c(f)});b.addEventListener("error",function(a){d&&d(a.message)});b.crossOrigin=this.crossOrigin;b.load(a,e);f.sourceFile=a;return f},loadCompressedTexture:function(a,b,c,d){var e=new THREE.CompressedTexture;e.mapping=b;var f=new XMLHttpRequest;f.onload=function(){var a=THREE.ImageUtils.parseDDS(f.response,
-!0);e.format=a.format;e.mipmaps=a.mipmaps;e.image.width=a.width;e.image.height=a.height;e.generateMipmaps=!1;e.needsUpdate=!0;c&&c(e)};f.onerror=d;f.open("GET",a,!0);f.responseType="arraybuffer";f.send(null);return e},loadTextureCube:function(a,b,c,d){var e=[];e.loadCount=0;var f=new THREE.Texture;f.image=e;void 0!==b&&(f.mapping=b);f.flipY=!1;b=0;for(var g=a.length;b<g;++b){var h=new Image;e[b]=h;h.onload=function(){e.loadCount+=1;6===e.loadCount&&(f.needsUpdate=!0,c&&c())};h.onerror=d;h.crossOrigin=
-this.crossOrigin;h.src=a[b]}return f},loadCompressedTextureCube:function(a,b,c,d){var e=[];e.loadCount=0;var f=new THREE.CompressedTexture;f.image=e;void 0!==b&&(f.mapping=b);f.flipY=!1;f.generateMipmaps=!1;b=function(a,b){return function(){var d=THREE.ImageUtils.parseDDS(a.response,!0);b.format=d.format;b.mipmaps=d.mipmaps;b.width=d.width;b.height=d.height;e.loadCount+=1;6===e.loadCount&&(f.format=d.format,f.needsUpdate=!0,c&&c())}};for(var g=0,h=a.length;g<h;++g){var l={};e[g]=l;var k=new XMLHttpRequest;
-k.onload=b(k,l);k.onerror=d;k.open("GET",a[g],!0);k.responseType="arraybuffer";k.send(null)}return f},parseDDS:function(a,b){function c(a){return a.charCodeAt(0)+(a.charCodeAt(1)<<8)+(a.charCodeAt(2)<<16)+(a.charCodeAt(3)<<24)}var d={mipmaps:[],width:0,height:0,format:null,mipmapCount:1},e=c("DXT1"),f=c("DXT3"),g=c("DXT5"),h=new Int32Array(a,0,31);if(542327876!==h[0])return console.error("ImageUtils.parseDDS(): Invalid magic number in DDS header"),d;if(!h[20]&4)return console.error("ImageUtils.parseDDS(): Unsupported format, must contain a FourCC code"),
-d;var l=h[21];switch(l){case e:e=8;d.format=THREE.RGB_S3TC_DXT1_Format;break;case f:e=16;d.format=THREE.RGBA_S3TC_DXT3_Format;break;case g:e=16;d.format=THREE.RGBA_S3TC_DXT5_Format;break;default:return console.error("ImageUtils.parseDDS(): Unsupported FourCC code: ",String.fromCharCode(l&255,l>>8&255,l>>16&255,l>>24&255)),d}d.mipmapCount=1;h[2]&131072&&!1!==b&&(d.mipmapCount=Math.max(1,h[7]));d.width=h[4];d.height=h[3];h=h[1]+4;f=d.width;g=d.height;for(l=0;l<d.mipmapCount;l++){var k=Math.max(4,f)/
-4*Math.max(4,g)/4*e,q={data:new Uint8Array(a,h,k),width:f,height:g};d.mipmaps.push(q);h+=k;f=Math.max(0.5*f,1);g=Math.max(0.5*g,1)}return d},getNormalMap:function(a,b){var c=function(a){var b=Math.sqrt(a[0]*a[0]+a[1]*a[1]+a[2]*a[2]);return[a[0]/b,a[1]/b,a[2]/b]};b|=1;var d=a.width,e=a.height,f=document.createElement("canvas");f.width=d;f.height=e;var g=f.getContext("2d");g.drawImage(a,0,0);for(var h=g.getImageData(0,0,d,e).data,l=g.createImageData(d,e),k=l.data,q=0;q<d;q++)for(var s=0;s<e;s++){var t=
-0>s-1?0:s-1,v=s+1>e-1?e-1:s+1,u=0>q-1?0:q-1,w=q+1>d-1?d-1:q+1,x=[],y=[0,0,h[4*(s*d+q)]/255*b];x.push([-1,0,h[4*(s*d+u)]/255*b]);x.push([-1,-1,h[4*(t*d+u)]/255*b]);x.push([0,-1,h[4*(t*d+q)]/255*b]);x.push([1,-1,h[4*(t*d+w)]/255*b]);x.push([1,0,h[4*(s*d+w)]/255*b]);x.push([1,1,h[4*(v*d+w)]/255*b]);x.push([0,1,h[4*(v*d+q)]/255*b]);x.push([-1,1,h[4*(v*d+u)]/255*b]);t=[];u=x.length;for(v=0;v<u;v++){var w=x[v],A=x[(v+1)%u],w=[w[0]-y[0],w[1]-y[1],w[2]-y[2]],A=[A[0]-y[0],A[1]-y[1],A[2]-y[2]];t.push(c([w[1]*
-A[2]-w[2]*A[1],w[2]*A[0]-w[0]*A[2],w[0]*A[1]-w[1]*A[0]]))}x=[0,0,0];for(v=0;v<t.length;v++)x[0]+=t[v][0],x[1]+=t[v][1],x[2]+=t[v][2];x[0]/=t.length;x[1]/=t.length;x[2]/=t.length;y=4*(s*d+q);k[y]=(x[0]+1)/2*255|0;k[y+1]=(x[1]+1)/2*255|0;k[y+2]=255*x[2]|0;k[y+3]=255}g.putImageData(l,0,0);return f},generateDataTexture:function(a,b,c){var d=a*b,e=new Uint8Array(3*d),f=Math.floor(255*c.r),g=Math.floor(255*c.g);c=Math.floor(255*c.b);for(var h=0;h<d;h++)e[3*h]=f,e[3*h+1]=g,e[3*h+2]=c;a=new THREE.DataTexture(e,
-a,b,THREE.RGBFormat);a.needsUpdate=!0;return a}};THREE.SceneUtils={createMultiMaterialObject:function(a,b){for(var c=new THREE.Object3D,d=0,e=b.length;d<e;d++)c.add(new THREE.Mesh(a,b[d]));return c},detach:function(a,b,c){a.applyMatrix(b.matrixWorld);b.remove(a);c.add(a)},attach:function(a,b,c){var d=new THREE.Matrix4;d.getInverse(c.matrixWorld);a.applyMatrix(d);b.remove(a);c.add(a)}};
-THREE.ShaderUtils={lib:{fresnel:{uniforms:{mRefractionRatio:{type:"f",value:1.02},mFresnelBias:{type:"f",value:0.1},mFresnelPower:{type:"f",value:2},mFresnelScale:{type:"f",value:1},tCube:{type:"t",value:null}},fragmentShader:"uniform samplerCube tCube;\nvarying vec3 vReflect;\nvarying vec3 vRefract[3];\nvarying float vReflectionFactor;\nvoid main() {\nvec4 reflectedColor = textureCube( tCube, vec3( -vReflect.x, vReflect.yz ) );\nvec4 refractedColor = vec4( 1.0 );\nrefractedColor.r = textureCube( tCube, vec3( -vRefract[0].x, vRefract[0].yz ) ).r;\nrefractedColor.g = textureCube( tCube, vec3( -vRefract[1].x, vRefract[1].yz ) ).g;\nrefractedColor.b = textureCube( tCube, vec3( -vRefract[2].x, vRefract[2].yz ) ).b;\ngl_FragColor = mix( refractedColor, reflectedColor, clamp( vReflectionFactor, 0.0, 1.0 ) );\n}",
-vertexShader:"uniform float mRefractionRatio;\nuniform float mFresnelBias;\nuniform float mFresnelScale;\nuniform float mFresnelPower;\nvarying vec3 vReflect;\nvarying vec3 vRefract[3];\nvarying float vReflectionFactor;\nvoid main() {\nvec4 mvPosition = modelViewMatrix * vec4( position, 1.0 );\nvec4 worldPosition = modelMatrix * vec4( position, 1.0 );\nvec3 worldNormal = normalize( mat3( modelMatrix[0].xyz, modelMatrix[1].xyz, modelMatrix[2].xyz ) * normal );\nvec3 I = worldPosition.xyz - cameraPosition;\nvReflect = reflect( I, worldNormal );\nvRefract[0] = refract( normalize( I ), worldNormal, mRefractionRatio );\nvRefract[1] = refract( normalize( I ), worldNormal, mRefractionRatio * 0.99 );\nvRefract[2] = refract( normalize( I ), worldNormal, mRefractionRatio * 0.98 );\nvReflectionFactor = mFresnelBias + mFresnelScale * pow( 1.0 + dot( normalize( I ), worldNormal ), mFresnelPower );\ngl_Position = projectionMatrix * mvPosition;\n}"},
-normal:{uniforms:THREE.UniformsUtils.merge([THREE.UniformsLib.fog,THREE.UniformsLib.lights,THREE.UniformsLib.shadowmap,{enableAO:{type:"i",value:0},enableDiffuse:{type:"i",value:0},enableSpecular:{type:"i",value:0},enableReflection:{type:"i",value:0},enableDisplacement:{type:"i",value:0},tDisplacement:{type:"t",value:null},tDiffuse:{type:"t",value:null},tCube:{type:"t",value:null},tNormal:{type:"t",value:null},tSpecular:{type:"t",value:null},tAO:{type:"t",value:null},uNormalScale:{type:"v2",value:new THREE.Vector2(1,
-1)},uDisplacementBias:{type:"f",value:0},uDisplacementScale:{type:"f",value:1},uDiffuseColor:{type:"c",value:new THREE.Color(16777215)},uSpecularColor:{type:"c",value:new THREE.Color(1118481)},uAmbientColor:{type:"c",value:new THREE.Color(16777215)},uShininess:{type:"f",value:30},uOpacity:{type:"f",value:1},useRefract:{type:"i",value:0},uRefractionRatio:{type:"f",value:0.98},uReflectivity:{type:"f",value:0.5},uOffset:{type:"v2",value:new THREE.Vector2(0,0)},uRepeat:{type:"v2",value:new THREE.Vector2(1,
-1)},wrapRGB:{type:"v3",value:new THREE.Vector3(1,1,1)}}]),fragmentShader:["uniform vec3 uAmbientColor;\nuniform vec3 uDiffuseColor;\nuniform vec3 uSpecularColor;\nuniform float uShininess;\nuniform float uOpacity;\nuniform bool enableDiffuse;\nuniform bool enableSpecular;\nuniform bool enableAO;\nuniform bool enableReflection;\nuniform sampler2D tDiffuse;\nuniform sampler2D tNormal;\nuniform sampler2D tSpecular;\nuniform sampler2D tAO;\nuniform samplerCube tCube;\nuniform vec2 uNormalScale;\nuniform bool useRefract;\nuniform float uRefractionRatio;\nuniform float uReflectivity;\nvarying vec3 vTangent;\nvarying vec3 vBinormal;\nvarying vec3 vNormal;\nvarying vec2 vUv;\nuniform vec3 ambientLightColor;\n#if MAX_DIR_LIGHTS > 0\nuniform vec3 directionalLightColor[ MAX_DIR_LIGHTS ];\nuniform vec3 directionalLightDirection[ MAX_DIR_LIGHTS ];\n#endif\n#if MAX_HEMI_LIGHTS > 0\nuniform vec3 hemisphereLightSkyColor[ MAX_HEMI_LIGHTS ];\nuniform vec3 hemisphereLightGroundColor[ MAX_HEMI_LIGHTS ];\nuniform vec3 hemisphereLightDirection[ MAX_HEMI_LIGHTS ];\n#endif\n#if MAX_POINT_LIGHTS > 0\nuniform vec3 pointLightColor[ MAX_POINT_LIGHTS ];\nuniform vec3 pointLightPosition[ MAX_POINT_LIGHTS ];\nuniform float pointLightDistance[ MAX_POINT_LIGHTS ];\n#endif\n#if MAX_SPOT_LIGHTS > 0\nuniform vec3 spotLightColor[ MAX_SPOT_LIGHTS ];\nuniform vec3 spotLightPosition[ MAX_SPOT_LIGHTS ];\nuniform vec3 spotLightDirection[ MAX_SPOT_LIGHTS ];\nuniform float spotLightAngleCos[ MAX_SPOT_LIGHTS ];\nuniform float spotLightExponent[ MAX_SPOT_LIGHTS ];\nuniform float spotLightDistance[ MAX_SPOT_LIGHTS ];\n#endif\n#ifdef WRAP_AROUND\nuniform vec3 wrapRGB;\n#endif\nvarying vec3 vWorldPosition;\nvarying vec3 vViewPosition;",
-THREE.ShaderChunk.shadowmap_pars_fragment,THREE.ShaderChunk.fog_pars_fragment,"void main() {\ngl_FragColor = vec4( vec3( 1.0 ), uOpacity );\nvec3 specularTex = vec3( 1.0 );\nvec3 normalTex = texture2D( tNormal, vUv ).xyz * 2.0 - 1.0;\nnormalTex.xy *= uNormalScale;\nnormalTex = normalize( normalTex );\nif( enableDiffuse ) {\n#ifdef GAMMA_INPUT\nvec4 texelColor = texture2D( tDiffuse, vUv );\ntexelColor.xyz *= texelColor.xyz;\ngl_FragColor = gl_FragColor * texelColor;\n#else\ngl_FragColor = gl_FragColor * texture2D( tDiffuse, vUv );\n#endif\n}\nif( enableAO ) {\n#ifdef GAMMA_INPUT\nvec4 aoColor = texture2D( tAO, vUv );\naoColor.xyz *= aoColor.xyz;\ngl_FragColor.xyz = gl_FragColor.xyz * aoColor.xyz;\n#else\ngl_FragColor.xyz = gl_FragColor.xyz * texture2D( tAO, vUv ).xyz;\n#endif\n}\nif( enableSpecular )\nspecularTex = texture2D( tSpecular, vUv ).xyz;\nmat3 tsb = mat3( normalize( vTangent ), normalize( vBinormal ), normalize( vNormal ) );\nvec3 finalNormal = tsb * normalTex;\n#ifdef FLIP_SIDED\nfinalNormal = -finalNormal;\n#endif\nvec3 normal = normalize( finalNormal );\nvec3 viewPosition = normalize( vViewPosition );\n#if MAX_POINT_LIGHTS > 0\nvec3 pointDiffuse = vec3( 0.0 );\nvec3 pointSpecular = vec3( 0.0 );\nfor ( int i = 0; i < MAX_POINT_LIGHTS; i ++ ) {\nvec4 lPosition = viewMatrix * vec4( pointLightPosition[ i ], 1.0 );\nvec3 pointVector = lPosition.xyz + vViewPosition.xyz;\nfloat pointDistance = 1.0;\nif ( pointLightDistance[ i ] > 0.0 )\npointDistance = 1.0 - min( ( length( pointVector ) / pointLightDistance[ i ] ), 1.0 );\npointVector = normalize( pointVector );\n#ifdef WRAP_AROUND\nfloat pointDiffuseWeightFull = max( dot( normal, pointVector ), 0.0 );\nfloat pointDiffuseWeightHalf = max( 0.5 * dot( normal, pointVector ) + 0.5, 0.0 );\nvec3 pointDiffuseWeight = mix( vec3 ( pointDiffuseWeightFull ), vec3( pointDiffuseWeightHalf ), wrapRGB );\n#else\nfloat pointDiffuseWeight = max( dot( normal, pointVector ), 0.0 );\n#endif\npointDiffuse += pointDistance * pointLightColor[ i ] * uDiffuseColor * pointDiffuseWeight;\nvec3 pointHalfVector = normalize( pointVector + viewPosition );\nfloat pointDotNormalHalf = max( dot( normal, pointHalfVector ), 0.0 );\nfloat pointSpecularWeight = specularTex.r * max( pow( pointDotNormalHalf, uShininess ), 0.0 );\n#ifdef PHYSICALLY_BASED_SHADING\nfloat specularNormalization = ( uShininess + 2.0001 ) / 8.0;\nvec3 schlick = uSpecularColor + vec3( 1.0 - uSpecularColor ) * pow( 1.0 - dot( pointVector, pointHalfVector ), 5.0 );\npointSpecular += schlick * pointLightColor[ i ] * pointSpecularWeight * pointDiffuseWeight * pointDistance * specularNormalization;\n#else\npointSpecular += pointDistance * pointLightColor[ i ] * uSpecularColor * pointSpecularWeight * pointDiffuseWeight;\n#endif\n}\n#endif\n#if MAX_SPOT_LIGHTS > 0\nvec3 spotDiffuse = vec3( 0.0 );\nvec3 spotSpecular = vec3( 0.0 );\nfor ( int i = 0; i < MAX_SPOT_LIGHTS; i ++ ) {\nvec4 lPosition = viewMatrix * vec4( spotLightPosition[ i ], 1.0 );\nvec3 spotVector = lPosition.xyz + vViewPosition.xyz;\nfloat spotDistance = 1.0;\nif ( spotLightDistance[ i ] > 0.0 )\nspotDistance = 1.0 - min( ( length( spotVector ) / spotLightDistance[ i ] ), 1.0 );\nspotVector = normalize( spotVector );\nfloat spotEffect = dot( spotLightDirection[ i ], normalize( spotLightPosition[ i ] - vWorldPosition ) );\nif ( spotEffect > spotLightAngleCos[ i ] ) {\nspotEffect = max( pow( spotEffect, spotLightExponent[ i ] ), 0.0 );\n#ifdef WRAP_AROUND\nfloat spotDiffuseWeightFull = max( dot( normal, spotVector ), 0.0 );\nfloat spotDiffuseWeightHalf = max( 0.5 * dot( normal, spotVector ) + 0.5, 0.0 );\nvec3 spotDiffuseWeight = mix( vec3 ( spotDiffuseWeightFull ), vec3( spotDiffuseWeightHalf ), wrapRGB );\n#else\nfloat spotDiffuseWeight = max( dot( normal, spotVector ), 0.0 );\n#endif\nspotDiffuse += spotDistance * spotLightColor[ i ] * uDiffuseColor * spotDiffuseWeight * spotEffect;\nvec3 spotHalfVector = normalize( spotVector + viewPosition );\nfloat spotDotNormalHalf = max( dot( normal, spotHalfVector ), 0.0 );\nfloat spotSpecularWeight = specularTex.r * max( pow( spotDotNormalHalf, uShininess ), 0.0 );\n#ifdef PHYSICALLY_BASED_SHADING\nfloat specularNormalization = ( uShininess + 2.0001 ) / 8.0;\nvec3 schlick = uSpecularColor + vec3( 1.0 - uSpecularColor ) * pow( 1.0 - dot( spotVector, spotHalfVector ), 5.0 );\nspotSpecular += schlick * spotLightColor[ i ] * spotSpecularWeight * spotDiffuseWeight * spotDistance * specularNormalization * spotEffect;\n#else\nspotSpecular += spotDistance * spotLightColor[ i ] * uSpecularColor * spotSpecularWeight * spotDiffuseWeight * spotEffect;\n#endif\n}\n}\n#endif\n#if MAX_DIR_LIGHTS > 0\nvec3 dirDiffuse = vec3( 0.0 );\nvec3 dirSpecular = vec3( 0.0 );\nfor( int i = 0; i < MAX_DIR_LIGHTS; i++ ) {\nvec4 lDirection = viewMatrix * vec4( directionalLightDirection[ i ], 0.0 );\nvec3 dirVector = normalize( lDirection.xyz );\n#ifdef WRAP_AROUND\nfloat directionalLightWeightingFull = max( dot( normal, dirVector ), 0.0 );\nfloat directionalLightWeightingHalf = max( 0.5 * dot( normal, dirVector ) + 0.5, 0.0 );\nvec3 dirDiffuseWeight = mix( vec3( directionalLightWeightingFull ), vec3( directionalLightWeightingHalf ), wrapRGB );\n#else\nfloat dirDiffuseWeight = max( dot( normal, dirVector ), 0.0 );\n#endif\ndirDiffuse += directionalLightColor[ i ] * uDiffuseColor * dirDiffuseWeight;\nvec3 dirHalfVector = normalize( dirVector + viewPosition );\nfloat dirDotNormalHalf = max( dot( normal, dirHalfVector ), 0.0 );\nfloat dirSpecularWeight = specularTex.r * max( pow( dirDotNormalHalf, uShininess ), 0.0 );\n#ifdef PHYSICALLY_BASED_SHADING\nfloat specularNormalization = ( uShininess + 2.0001 ) / 8.0;\nvec3 schlick = uSpecularColor + vec3( 1.0 - uSpecularColor ) * pow( 1.0 - dot( dirVector, dirHalfVector ), 5.0 );\ndirSpecular += schlick * directionalLightColor[ i ] * dirSpecularWeight * dirDiffuseWeight * specularNormalization;\n#else\ndirSpecular += directionalLightColor[ i ] * uSpecularColor * dirSpecularWeight * dirDiffuseWeight;\n#endif\n}\n#endif\n#if MAX_HEMI_LIGHTS > 0\nvec3 hemiDiffuse  = vec3( 0.0 );\nvec3 hemiSpecular = vec3( 0.0 );\nfor( int i = 0; i < MAX_HEMI_LIGHTS; i ++ ) {\nvec4 lDirection = viewMatrix * vec4( hemisphereLightDirection[ i ], 0.0 );\nvec3 lVector = normalize( lDirection.xyz );\nfloat dotProduct = dot( normal, lVector );\nfloat hemiDiffuseWeight = 0.5 * dotProduct + 0.5;\nvec3 hemiColor = mix( hemisphereLightGroundColor[ i ], hemisphereLightSkyColor[ i ], hemiDiffuseWeight );\nhemiDiffuse += uDiffuseColor * hemiColor;\nvec3 hemiHalfVectorSky = normalize( lVector + viewPosition );\nfloat hemiDotNormalHalfSky = 0.5 * dot( normal, hemiHalfVectorSky ) + 0.5;\nfloat hemiSpecularWeightSky = specularTex.r * max( pow( hemiDotNormalHalfSky, uShininess ), 0.0 );\nvec3 lVectorGround = -lVector;\nvec3 hemiHalfVectorGround = normalize( lVectorGround + viewPosition );\nfloat hemiDotNormalHalfGround = 0.5 * dot( normal, hemiHalfVectorGround ) + 0.5;\nfloat hemiSpecularWeightGround = specularTex.r * max( pow( hemiDotNormalHalfGround, uShininess ), 0.0 );\n#ifdef PHYSICALLY_BASED_SHADING\nfloat dotProductGround = dot( normal, lVectorGround );\nfloat specularNormalization = ( uShininess + 2.0001 ) / 8.0;\nvec3 schlickSky = uSpecularColor + vec3( 1.0 - uSpecularColor ) * pow( 1.0 - dot( lVector, hemiHalfVectorSky ), 5.0 );\nvec3 schlickGround = uSpecularColor + vec3( 1.0 - uSpecularColor ) * pow( 1.0 - dot( lVectorGround, hemiHalfVectorGround ), 5.0 );\nhemiSpecular += hemiColor * specularNormalization * ( schlickSky * hemiSpecularWeightSky * max( dotProduct, 0.0 ) + schlickGround * hemiSpecularWeightGround * max( dotProductGround, 0.0 ) );\n#else\nhemiSpecular += uSpecularColor * hemiColor * ( hemiSpecularWeightSky + hemiSpecularWeightGround ) * hemiDiffuseWeight;\n#endif\n}\n#endif\nvec3 totalDiffuse = vec3( 0.0 );\nvec3 totalSpecular = vec3( 0.0 );\n#if MAX_DIR_LIGHTS > 0\ntotalDiffuse += dirDiffuse;\ntotalSpecular += dirSpecular;\n#endif\n#if MAX_HEMI_LIGHTS > 0\ntotalDiffuse += hemiDiffuse;\ntotalSpecular += hemiSpecular;\n#endif\n#if MAX_POINT_LIGHTS > 0\ntotalDiffuse += pointDiffuse;\ntotalSpecular += pointSpecular;\n#endif\n#if MAX_SPOT_LIGHTS > 0\ntotalDiffuse += spotDiffuse;\ntotalSpecular += spotSpecular;\n#endif\n#ifdef METAL\ngl_FragColor.xyz = gl_FragColor.xyz * ( totalDiffuse + ambientLightColor * uAmbientColor + totalSpecular );\n#else\ngl_FragColor.xyz = gl_FragColor.xyz * ( totalDiffuse + ambientLightColor * uAmbientColor ) + totalSpecular;\n#endif\nif ( enableReflection ) {\nvec3 vReflect;\nvec3 cameraToVertex = normalize( vWorldPosition - cameraPosition );\nif ( useRefract ) {\nvReflect = refract( cameraToVertex, normal, uRefractionRatio );\n} else {\nvReflect = reflect( cameraToVertex, normal );\n}\nvec4 cubeColor = textureCube( tCube, vec3( -vReflect.x, vReflect.yz ) );\n#ifdef GAMMA_INPUT\ncubeColor.xyz *= cubeColor.xyz;\n#endif\ngl_FragColor.xyz = mix( gl_FragColor.xyz, cubeColor.xyz, specularTex.r * uReflectivity );\n}",
-THREE.ShaderChunk.shadowmap_fragment,THREE.ShaderChunk.linear_to_gamma_fragment,THREE.ShaderChunk.fog_fragment,"}"].join("\n"),vertexShader:["attribute vec4 tangent;\nuniform vec2 uOffset;\nuniform vec2 uRepeat;\nuniform bool enableDisplacement;\n#ifdef VERTEX_TEXTURES\nuniform sampler2D tDisplacement;\nuniform float uDisplacementScale;\nuniform float uDisplacementBias;\n#endif\nvarying vec3 vTangent;\nvarying vec3 vBinormal;\nvarying vec3 vNormal;\nvarying vec2 vUv;\nvarying vec3 vWorldPosition;\nvarying vec3 vViewPosition;",
-THREE.ShaderChunk.skinning_pars_vertex,THREE.ShaderChunk.shadowmap_pars_vertex,"void main() {",THREE.ShaderChunk.skinbase_vertex,THREE.ShaderChunk.skinnormal_vertex,"#ifdef USE_SKINNING\nvNormal = normalize( normalMatrix * skinnedNormal.xyz );\nvec4 skinnedTangent = skinMatrix * vec4( tangent.xyz, 0.0 );\nvTangent = normalize( normalMatrix * skinnedTangent.xyz );\n#else\nvNormal = normalize( normalMatrix * normal );\nvTangent = normalize( normalMatrix * tangent.xyz );\n#endif\nvBinormal = normalize( cross( vNormal, vTangent ) * tangent.w );\nvUv = uv * uRepeat + uOffset;\nvec3 displacedPosition;\n#ifdef VERTEX_TEXTURES\nif ( enableDisplacement ) {\nvec3 dv = texture2D( tDisplacement, uv ).xyz;\nfloat df = uDisplacementScale * dv.x + uDisplacementBias;\ndisplacedPosition = position + normalize( normal ) * df;\n} else {\n#ifdef USE_SKINNING\nvec4 skinVertex = vec4( position, 1.0 );\nvec4 skinned  = boneMatX * skinVertex * skinWeight.x;\nskinned \t  += boneMatY * skinVertex * skinWeight.y;\ndisplacedPosition  = skinned.xyz;\n#else\ndisplacedPosition = position;\n#endif\n}\n#else\n#ifdef USE_SKINNING\nvec4 skinVertex = vec4( position, 1.0 );\nvec4 skinned  = boneMatX * skinVertex * skinWeight.x;\nskinned \t  += boneMatY * skinVertex * skinWeight.y;\ndisplacedPosition  = skinned.xyz;\n#else\ndisplacedPosition = position;\n#endif\n#endif\nvec4 mvPosition = modelViewMatrix * vec4( displacedPosition, 1.0 );\nvec4 worldPosition = modelMatrix * vec4( displacedPosition, 1.0 );\ngl_Position = projectionMatrix * mvPosition;\nvWorldPosition = worldPosition.xyz;\nvViewPosition = -mvPosition.xyz;\n#ifdef USE_SHADOWMAP\nfor( int i = 0; i < MAX_SHADOWS; i ++ ) {\nvShadowCoord[ i ] = shadowMatrix[ i ] * worldPosition;\n}\n#endif\n}"].join("\n")},
-cube:{uniforms:{tCube:{type:"t",value:null},tFlip:{type:"f",value:-1}},vertexShader:"varying vec3 vWorldPosition;\nvoid main() {\nvec4 worldPosition = modelMatrix * vec4( position, 1.0 );\nvWorldPosition = worldPosition.xyz;\ngl_Position = projectionMatrix * modelViewMatrix * vec4( position, 1.0 );\n}",fragmentShader:"uniform samplerCube tCube;\nuniform float tFlip;\nvarying vec3 vWorldPosition;\nvoid main() {\ngl_FragColor = textureCube( tCube, vec3( tFlip * vWorldPosition.x, vWorldPosition.yz ) );\n}"}}};
-THREE.FontUtils={faces:{},face:"helvetiker",weight:"normal",style:"normal",size:150,divisions:10,getFace:function(){return this.faces[this.face][this.weight][this.style]},loadFace:function(a){var b=a.familyName.toLowerCase();this.faces[b]=this.faces[b]||{};this.faces[b][a.cssFontWeight]=this.faces[b][a.cssFontWeight]||{};this.faces[b][a.cssFontWeight][a.cssFontStyle]=a;return this.faces[b][a.cssFontWeight][a.cssFontStyle]=a},drawText:function(a){var b=this.getFace(),c=this.size/b.resolution,d=0,e=
-String(a).split(""),f=e.length,g=[];for(a=0;a<f;a++){var h=new THREE.Path,h=this.extractGlyphPoints(e[a],b,c,d,h),d=d+h.offset;g.push(h.path)}return{paths:g,offset:d/2}},extractGlyphPoints:function(a,b,c,d,e){var f=[],g,h,l,k,q,s,t,v,u,w,x,y=b.glyphs[a]||b.glyphs["?"];if(y){if(y.o)for(b=y._cachedOutline||(y._cachedOutline=y.o.split(" ")),k=b.length,a=0;a<k;)switch(l=b[a++],l){case "m":l=b[a++]*c+d;q=b[a++]*c;e.moveTo(l,q);break;case "l":l=b[a++]*c+d;q=b[a++]*c;e.lineTo(l,q);break;case "q":l=b[a++]*
-c+d;q=b[a++]*c;v=b[a++]*c+d;u=b[a++]*c;e.quadraticCurveTo(v,u,l,q);if(g=f[f.length-1])for(s=g.x,t=g.y,g=1,h=this.divisions;g<=h;g++){var A=g/h;THREE.Shape.Utils.b2(A,s,v,l);THREE.Shape.Utils.b2(A,t,u,q)}break;case "b":if(l=b[a++]*c+d,q=b[a++]*c,v=b[a++]*c+d,u=b[a++]*-c,w=b[a++]*c+d,x=b[a++]*-c,e.bezierCurveTo(l,q,v,u,w,x),g=f[f.length-1])for(s=g.x,t=g.y,g=1,h=this.divisions;g<=h;g++)A=g/h,THREE.Shape.Utils.b3(A,s,v,w,l),THREE.Shape.Utils.b3(A,t,u,x,q)}return{offset:y.ha*c,path:e}}}};
-THREE.FontUtils.generateShapes=function(a,b){b=b||{};var c=void 0!==b.curveSegments?b.curveSegments:4,d=void 0!==b.font?b.font:"helvetiker",e=void 0!==b.weight?b.weight:"normal",f=void 0!==b.style?b.style:"normal";THREE.FontUtils.size=void 0!==b.size?b.size:100;THREE.FontUtils.divisions=c;THREE.FontUtils.face=d;THREE.FontUtils.weight=e;THREE.FontUtils.style=f;c=THREE.FontUtils.drawText(a).paths;d=[];e=0;for(f=c.length;e<f;e++)Array.prototype.push.apply(d,c[e].toShapes());return d};
-(function(a){var b=function(a){for(var b=a.length,e=0,f=b-1,g=0;g<b;f=g++)e+=a[f].x*a[g].y-a[g].x*a[f].y;return 0.5*e};a.Triangulate=function(a,d){var e=a.length;if(3>e)return null;var f=[],g=[],h=[],l,k,q;if(0<b(a))for(k=0;k<e;k++)g[k]=k;else for(k=0;k<e;k++)g[k]=e-1-k;var s=2*e;for(k=e-1;2<e;){if(0>=s--){console.log("Warning, unable to triangulate polygon!");break}l=k;e<=l&&(l=0);k=l+1;e<=k&&(k=0);q=k+1;e<=q&&(q=0);var t;a:{t=a;var v=l,u=k,w=q,x=e,y=g,A=void 0,C=void 0,B=void 0,z=void 0,D=void 0,
-I=void 0,J=void 0,F=void 0,K=void 0,C=t[y[v]].x,B=t[y[v]].y,z=t[y[u]].x,D=t[y[u]].y,I=t[y[w]].x,J=t[y[w]].y;if(1E-10>(z-C)*(J-B)-(D-B)*(I-C))t=!1;else{for(A=0;A<x;A++)if(A!=v&&A!=u&&A!=w){var F=t[y[A]].x,K=t[y[A]].y,L=void 0,H=void 0,T=void 0,R=void 0,m=void 0,O=void 0,W=void 0,P=void 0,ha=void 0,ca=void 0,oa=void 0,S=void 0,L=T=m=void 0,L=I-z,H=J-D,T=C-I,R=B-J,m=z-C,O=D-B,W=F-C,P=K-B,ha=F-z,ca=K-D,oa=F-I,S=K-J,L=L*ca-H*ha,m=m*P-O*W,T=T*S-R*oa;if(0<=L&&0<=T&&0<=m){t=!1;break a}}t=!0}}if(t){f.push([a[g[l]],
-a[g[k]],a[g[q]]]);h.push([g[l],g[k],g[q]]);l=k;for(q=k+1;q<e;l++,q++)g[l]=g[q];e--;s=2*e}}return d?h:f};a.Triangulate.area=b;return a})(THREE.FontUtils);self._typeface_js={faces:THREE.FontUtils.faces,loadFace:THREE.FontUtils.loadFace};THREE.Curve=function(){};THREE.Curve.prototype.getPoint=function(a){console.log("Warning, getPoint() not implemented!");return null};THREE.Curve.prototype.getPointAt=function(a){a=this.getUtoTmapping(a);return this.getPoint(a)};
-THREE.Curve.prototype.getPoints=function(a){a||(a=5);var b,c=[];for(b=0;b<=a;b++)c.push(this.getPoint(b/a));return c};THREE.Curve.prototype.getSpacedPoints=function(a){a||(a=5);var b,c=[];for(b=0;b<=a;b++)c.push(this.getPointAt(b/a));return c};THREE.Curve.prototype.getLength=function(){var a=this.getLengths();return a[a.length-1]};
-THREE.Curve.prototype.getLengths=function(a){a||(a=this.__arcLengthDivisions?this.__arcLengthDivisions:200);if(this.cacheArcLengths&&this.cacheArcLengths.length==a+1&&!this.needsUpdate)return this.cacheArcLengths;this.needsUpdate=!1;var b=[],c,d=this.getPoint(0),e,f=0;b.push(0);for(e=1;e<=a;e++)c=this.getPoint(e/a),f+=c.distanceTo(d),b.push(f),d=c;return this.cacheArcLengths=b};THREE.Curve.prototype.updateArcLengths=function(){this.needsUpdate=!0;this.getLengths()};
-THREE.Curve.prototype.getUtoTmapping=function(a,b){var c=this.getLengths(),d=0,e=c.length,f;f=b?b:a*c[e-1];for(var g=0,h=e-1,l;g<=h;)if(d=Math.floor(g+(h-g)/2),l=c[d]-f,0>l)g=d+1;else if(0<l)h=d-1;else{h=d;break}d=h;if(c[d]==f)return d/(e-1);g=c[d];return c=(d+(f-g)/(c[d+1]-g))/(e-1)};THREE.Curve.prototype.getNormalVector=function(a){a=this.getTangent(a);return new THREE.Vector2(-a.y,a.x)};THREE.Curve.prototype.getTangent=function(a){var b=a-1E-4;a+=1E-4;0>b&&(b=0);1<a&&(a=1);b=this.getPoint(b);return this.getPoint(a).clone().subSelf(b).normalize()};
-THREE.Curve.prototype.getTangentAt=function(a){a=this.getUtoTmapping(a);return this.getTangent(a)};THREE.LineCurve=function(a,b){this.v1=a;this.v2=b};THREE.LineCurve.prototype=Object.create(THREE.Curve.prototype);THREE.LineCurve.prototype.getPoint=function(a){var b=this.v2.clone().subSelf(this.v1);b.multiplyScalar(a).addSelf(this.v1);return b};THREE.LineCurve.prototype.getPointAt=function(a){return this.getPoint(a)};THREE.LineCurve.prototype.getTangent=function(a){return this.v2.clone().subSelf(this.v1).normalize()};
-THREE.QuadraticBezierCurve=function(a,b,c){this.v0=a;this.v1=b;this.v2=c};THREE.QuadraticBezierCurve.prototype=Object.create(THREE.Curve.prototype);THREE.QuadraticBezierCurve.prototype.getPoint=function(a){var b;b=THREE.Shape.Utils.b2(a,this.v0.x,this.v1.x,this.v2.x);a=THREE.Shape.Utils.b2(a,this.v0.y,this.v1.y,this.v2.y);return new THREE.Vector2(b,a)};
-THREE.QuadraticBezierCurve.prototype.getTangent=function(a){var b;b=THREE.Curve.Utils.tangentQuadraticBezier(a,this.v0.x,this.v1.x,this.v2.x);a=THREE.Curve.Utils.tangentQuadraticBezier(a,this.v0.y,this.v1.y,this.v2.y);b=new THREE.Vector2(b,a);b.normalize();return b};THREE.CubicBezierCurve=function(a,b,c,d){this.v0=a;this.v1=b;this.v2=c;this.v3=d};THREE.CubicBezierCurve.prototype=Object.create(THREE.Curve.prototype);
-THREE.CubicBezierCurve.prototype.getPoint=function(a){var b;b=THREE.Shape.Utils.b3(a,this.v0.x,this.v1.x,this.v2.x,this.v3.x);a=THREE.Shape.Utils.b3(a,this.v0.y,this.v1.y,this.v2.y,this.v3.y);return new THREE.Vector2(b,a)};THREE.CubicBezierCurve.prototype.getTangent=function(a){var b;b=THREE.Curve.Utils.tangentCubicBezier(a,this.v0.x,this.v1.x,this.v2.x,this.v3.x);a=THREE.Curve.Utils.tangentCubicBezier(a,this.v0.y,this.v1.y,this.v2.y,this.v3.y);b=new THREE.Vector2(b,a);b.normalize();return b};
-THREE.SplineCurve=function(a){this.points=void 0==a?[]:a};THREE.SplineCurve.prototype=Object.create(THREE.Curve.prototype);THREE.SplineCurve.prototype.getPoint=function(a){var b=new THREE.Vector2,c=[],d=this.points,e;e=(d.length-1)*a;a=Math.floor(e);e-=a;c[0]=0==a?a:a-1;c[1]=a;c[2]=a>d.length-2?d.length-1:a+1;c[3]=a>d.length-3?d.length-1:a+2;b.x=THREE.Curve.Utils.interpolate(d[c[0]].x,d[c[1]].x,d[c[2]].x,d[c[3]].x,e);b.y=THREE.Curve.Utils.interpolate(d[c[0]].y,d[c[1]].y,d[c[2]].y,d[c[3]].y,e);return b};
-THREE.EllipseCurve=function(a,b,c,d,e,f,g){this.aX=a;this.aY=b;this.xRadius=c;this.yRadius=d;this.aStartAngle=e;this.aEndAngle=f;this.aClockwise=g};THREE.EllipseCurve.prototype=Object.create(THREE.Curve.prototype);THREE.EllipseCurve.prototype.getPoint=function(a){var b=this.aEndAngle-this.aStartAngle;this.aClockwise||(a=1-a);b=this.aStartAngle+a*b;a=this.aX+this.xRadius*Math.cos(b);b=this.aY+this.yRadius*Math.sin(b);return new THREE.Vector2(a,b)};
-THREE.ArcCurve=function(a,b,c,d,e,f){THREE.EllipseCurve.call(this,a,b,c,c,d,e,f)};THREE.ArcCurve.prototype=Object.create(THREE.EllipseCurve.prototype);
-THREE.Curve.Utils={tangentQuadraticBezier:function(a,b,c,d){return 2*(1-a)*(c-b)+2*a*(d-c)},tangentCubicBezier:function(a,b,c,d,e){return-3*b*(1-a)*(1-a)+3*c*(1-a)*(1-a)-6*a*c*(1-a)+6*a*d*(1-a)-3*a*a*d+3*a*a*e},tangentSpline:function(a,b,c,d,e){return 6*a*a-6*a+(3*a*a-4*a+1)+(-6*a*a+6*a)+(3*a*a-2*a)},interpolate:function(a,b,c,d,e){a=0.5*(c-a);d=0.5*(d-b);var f=e*e;return(2*b-2*c+a+d)*e*f+(-3*b+3*c-2*a-d)*f+a*e+b}};
-THREE.Curve.create=function(a,b){a.prototype=Object.create(THREE.Curve.prototype);a.prototype.getPoint=b;return a};THREE.LineCurve3=THREE.Curve.create(function(a,b){this.v1=a;this.v2=b},function(a){var b=new THREE.Vector3;b.sub(this.v2,this.v1);b.multiplyScalar(a);b.addSelf(this.v1);return b});
-THREE.QuadraticBezierCurve3=THREE.Curve.create(function(a,b,c){this.v0=a;this.v1=b;this.v2=c},function(a){var b,c;b=THREE.Shape.Utils.b2(a,this.v0.x,this.v1.x,this.v2.x);c=THREE.Shape.Utils.b2(a,this.v0.y,this.v1.y,this.v2.y);a=THREE.Shape.Utils.b2(a,this.v0.z,this.v1.z,this.v2.z);return new THREE.Vector3(b,c,a)});
-THREE.CubicBezierCurve3=THREE.Curve.create(function(a,b,c,d){this.v0=a;this.v1=b;this.v2=c;this.v3=d},function(a){var b,c;b=THREE.Shape.Utils.b3(a,this.v0.x,this.v1.x,this.v2.x,this.v3.x);c=THREE.Shape.Utils.b3(a,this.v0.y,this.v1.y,this.v2.y,this.v3.y);a=THREE.Shape.Utils.b3(a,this.v0.z,this.v1.z,this.v2.z,this.v3.z);return new THREE.Vector3(b,c,a)});
-THREE.SplineCurve3=THREE.Curve.create(function(a){this.points=void 0==a?[]:a},function(a){var b=new THREE.Vector3,c=[],d=this.points,e;a*=d.length-1;e=Math.floor(a);a-=e;c[0]=0==e?e:e-1;c[1]=e;c[2]=e>d.length-2?d.length-1:e+1;c[3]=e>d.length-3?d.length-1:e+2;e=d[c[0]];var f=d[c[1]],g=d[c[2]],c=d[c[3]];b.x=THREE.Curve.Utils.interpolate(e.x,f.x,g.x,c.x,a);b.y=THREE.Curve.Utils.interpolate(e.y,f.y,g.y,c.y,a);b.z=THREE.Curve.Utils.interpolate(e.z,f.z,g.z,c.z,a);return b});
-THREE.ClosedSplineCurve3=THREE.Curve.create(function(a){this.points=void 0==a?[]:a},function(a){var b=new THREE.Vector3,c=[],d=this.points,e;e=(d.length-0)*a;a=Math.floor(e);e-=a;a+=0<a?0:(Math.floor(Math.abs(a)/d.length)+1)*d.length;c[0]=(a-1)%d.length;c[1]=a%d.length;c[2]=(a+1)%d.length;c[3]=(a+2)%d.length;b.x=THREE.Curve.Utils.interpolate(d[c[0]].x,d[c[1]].x,d[c[2]].x,d[c[3]].x,e);b.y=THREE.Curve.Utils.interpolate(d[c[0]].y,d[c[1]].y,d[c[2]].y,d[c[3]].y,e);b.z=THREE.Curve.Utils.interpolate(d[c[0]].z,
-d[c[1]].z,d[c[2]].z,d[c[3]].z,e);return b});THREE.CurvePath=function(){this.curves=[];this.bends=[];this.autoClose=!1};THREE.CurvePath.prototype=Object.create(THREE.Curve.prototype);THREE.CurvePath.prototype.add=function(a){this.curves.push(a)};THREE.CurvePath.prototype.checkConnection=function(){};THREE.CurvePath.prototype.closePath=function(){var a=this.curves[0].getPoint(0),b=this.curves[this.curves.length-1].getPoint(1);a.equals(b)||this.curves.push(new THREE.LineCurve(b,a))};
-THREE.CurvePath.prototype.getPoint=function(a){var b=a*this.getLength(),c=this.getCurveLengths();for(a=0;a<c.length;){if(c[a]>=b)return b=c[a]-b,a=this.curves[a],b=1-b/a.getLength(),a.getPointAt(b);a++}return null};THREE.CurvePath.prototype.getLength=function(){var a=this.getCurveLengths();return a[a.length-1]};
-THREE.CurvePath.prototype.getCurveLengths=function(){if(this.cacheLengths&&this.cacheLengths.length==this.curves.length)return this.cacheLengths;var a=[],b=0,c,d=this.curves.length;for(c=0;c<d;c++)b+=this.curves[c].getLength(),a.push(b);return this.cacheLengths=a};
-THREE.CurvePath.prototype.getBoundingBox=function(){var a=this.getPoints(),b,c,d,e,f,g;b=c=Number.NEGATIVE_INFINITY;e=f=Number.POSITIVE_INFINITY;var h,l,k,q,s=a[0]instanceof THREE.Vector3;q=s?new THREE.Vector3:new THREE.Vector2;l=0;for(k=a.length;l<k;l++)h=a[l],h.x>b?b=h.x:h.x<e&&(e=h.x),h.y>c?c=h.y:h.y<f&&(f=h.y),s&&(h.z>d?d=h.z:h.z<g&&(g=h.z)),q.addSelf(h);a={minX:e,minY:f,maxX:b,maxY:c,centroid:q.divideScalar(k)};s&&(a.maxZ=d,a.minZ=g);return a};
-THREE.CurvePath.prototype.createPointsGeometry=function(a){a=this.getPoints(a,!0);return this.createGeometry(a)};THREE.CurvePath.prototype.createSpacedPointsGeometry=function(a){a=this.getSpacedPoints(a,!0);return this.createGeometry(a)};THREE.CurvePath.prototype.createGeometry=function(a){for(var b=new THREE.Geometry,c=0;c<a.length;c++)b.vertices.push(new THREE.Vector3(a[c].x,a[c].y,a[c].z||0));return b};THREE.CurvePath.prototype.addWrapPath=function(a){this.bends.push(a)};
-THREE.CurvePath.prototype.getTransformedPoints=function(a,b){var c=this.getPoints(a),d,e;b||(b=this.bends);d=0;for(e=b.length;d<e;d++)c=this.getWrapPoints(c,b[d]);return c};THREE.CurvePath.prototype.getTransformedSpacedPoints=function(a,b){var c=this.getSpacedPoints(a),d,e;b||(b=this.bends);d=0;for(e=b.length;d<e;d++)c=this.getWrapPoints(c,b[d]);return c};
-THREE.CurvePath.prototype.getWrapPoints=function(a,b){var c=this.getBoundingBox(),d,e,f,g,h,l;d=0;for(e=a.length;d<e;d++)f=a[d],g=f.x,h=f.y,l=g/c.maxX,l=b.getUtoTmapping(l,g),g=b.getPoint(l),h=b.getNormalVector(l).multiplyScalar(h),f.x=g.x+h.x,f.y=g.y+h.y;return a};THREE.Gyroscope=function(){THREE.Object3D.call(this)};THREE.Gyroscope.prototype=Object.create(THREE.Object3D.prototype);
-THREE.Gyroscope.prototype.updateMatrixWorld=function(a){this.matrixAutoUpdate&&this.updateMatrix();if(this.matrixWorldNeedsUpdate||a)this.parent?(this.matrixWorld.multiply(this.parent.matrixWorld,this.matrix),this.matrixWorld.decompose(this.translationWorld,this.rotationWorld,this.scaleWorld),this.matrix.decompose(this.translationObject,this.rotationObject,this.scaleObject),this.matrixWorld.compose(this.translationWorld,this.rotationObject,this.scaleWorld)):this.matrixWorld.copy(this.matrix),this.matrixWorldNeedsUpdate=
-!1,a=!0;for(var b=0,c=this.children.length;b<c;b++)this.children[b].updateMatrixWorld(a)};THREE.Gyroscope.prototype.translationWorld=new THREE.Vector3;THREE.Gyroscope.prototype.translationObject=new THREE.Vector3;THREE.Gyroscope.prototype.rotationWorld=new THREE.Quaternion;THREE.Gyroscope.prototype.rotationObject=new THREE.Quaternion;THREE.Gyroscope.prototype.scaleWorld=new THREE.Vector3;THREE.Gyroscope.prototype.scaleObject=new THREE.Vector3;
-THREE.Path=function(a){THREE.CurvePath.call(this);this.actions=[];a&&this.fromPoints(a)};THREE.Path.prototype=Object.create(THREE.CurvePath.prototype);THREE.PathActions={MOVE_TO:"moveTo",LINE_TO:"lineTo",QUADRATIC_CURVE_TO:"quadraticCurveTo",BEZIER_CURVE_TO:"bezierCurveTo",CSPLINE_THRU:"splineThru",ARC:"arc",ELLIPSE:"ellipse"};THREE.Path.prototype.fromPoints=function(a){this.moveTo(a[0].x,a[0].y);for(var b=1,c=a.length;b<c;b++)this.lineTo(a[b].x,a[b].y)};
-THREE.Path.prototype.moveTo=function(a,b){var c=Array.prototype.slice.call(arguments);this.actions.push({action:THREE.PathActions.MOVE_TO,args:c})};THREE.Path.prototype.lineTo=function(a,b){var c=Array.prototype.slice.call(arguments),d=this.actions[this.actions.length-1].args,d=new THREE.LineCurve(new THREE.Vector2(d[d.length-2],d[d.length-1]),new THREE.Vector2(a,b));this.curves.push(d);this.actions.push({action:THREE.PathActions.LINE_TO,args:c})};
-THREE.Path.prototype.quadraticCurveTo=function(a,b,c,d){var e=Array.prototype.slice.call(arguments),f=this.actions[this.actions.length-1].args,f=new THREE.QuadraticBezierCurve(new THREE.Vector2(f[f.length-2],f[f.length-1]),new THREE.Vector2(a,b),new THREE.Vector2(c,d));this.curves.push(f);this.actions.push({action:THREE.PathActions.QUADRATIC_CURVE_TO,args:e})};
-THREE.Path.prototype.bezierCurveTo=function(a,b,c,d,e,f){var g=Array.prototype.slice.call(arguments),h=this.actions[this.actions.length-1].args,h=new THREE.CubicBezierCurve(new THREE.Vector2(h[h.length-2],h[h.length-1]),new THREE.Vector2(a,b),new THREE.Vector2(c,d),new THREE.Vector2(e,f));this.curves.push(h);this.actions.push({action:THREE.PathActions.BEZIER_CURVE_TO,args:g})};
-THREE.Path.prototype.splineThru=function(a){var b=Array.prototype.slice.call(arguments),c=this.actions[this.actions.length-1].args,c=[new THREE.Vector2(c[c.length-2],c[c.length-1])];Array.prototype.push.apply(c,a);c=new THREE.SplineCurve(c);this.curves.push(c);this.actions.push({action:THREE.PathActions.CSPLINE_THRU,args:b})};THREE.Path.prototype.arc=function(a,b,c,d,e,f){var g=this.actions[this.actions.length-1].args;this.absarc(a+g[g.length-2],b+g[g.length-1],c,d,e,f)};
-THREE.Path.prototype.absarc=function(a,b,c,d,e,f){this.absellipse(a,b,c,c,d,e,f)};THREE.Path.prototype.ellipse=function(a,b,c,d,e,f,g){var h=this.actions[this.actions.length-1].args;this.absellipse(a+h[h.length-2],b+h[h.length-1],c,d,e,f,g)};THREE.Path.prototype.absellipse=function(a,b,c,d,e,f,g){var h=Array.prototype.slice.call(arguments),l=new THREE.EllipseCurve(a,b,c,d,e,f,g);this.curves.push(l);l=l.getPoint(g?1:0);h.push(l.x);h.push(l.y);this.actions.push({action:THREE.PathActions.ELLIPSE,args:h})};
-THREE.Path.prototype.getSpacedPoints=function(a,b){a||(a=40);for(var c=[],d=0;d<a;d++)c.push(this.getPoint(d/a));return c};
-THREE.Path.prototype.getPoints=function(a,b){if(this.useSpacedPoints)return console.log("tata"),this.getSpacedPoints(a,b);a=a||12;var c=[],d,e,f,g,h,l,k,q,s,t,v,u,w;d=0;for(e=this.actions.length;d<e;d++)switch(f=this.actions[d],g=f.action,f=f.args,g){case THREE.PathActions.MOVE_TO:c.push(new THREE.Vector2(f[0],f[1]));break;case THREE.PathActions.LINE_TO:c.push(new THREE.Vector2(f[0],f[1]));break;case THREE.PathActions.QUADRATIC_CURVE_TO:h=f[2];l=f[3];s=f[0];t=f[1];0<c.length?(g=c[c.length-1],v=g.x,
-u=g.y):(g=this.actions[d-1].args,v=g[g.length-2],u=g[g.length-1]);for(f=1;f<=a;f++)w=f/a,g=THREE.Shape.Utils.b2(w,v,s,h),w=THREE.Shape.Utils.b2(w,u,t,l),c.push(new THREE.Vector2(g,w));break;case THREE.PathActions.BEZIER_CURVE_TO:h=f[4];l=f[5];s=f[0];t=f[1];k=f[2];q=f[3];0<c.length?(g=c[c.length-1],v=g.x,u=g.y):(g=this.actions[d-1].args,v=g[g.length-2],u=g[g.length-1]);for(f=1;f<=a;f++)w=f/a,g=THREE.Shape.Utils.b3(w,v,s,k,h),w=THREE.Shape.Utils.b3(w,u,t,q,l),c.push(new THREE.Vector2(g,w));break;case THREE.PathActions.CSPLINE_THRU:g=
-this.actions[d-1].args;w=[new THREE.Vector2(g[g.length-2],g[g.length-1])];g=a*f[0].length;w=w.concat(f[0]);w=new THREE.SplineCurve(w);for(f=1;f<=g;f++)c.push(w.getPointAt(f/g));break;case THREE.PathActions.ARC:h=f[0];l=f[1];t=f[2];k=f[3];g=f[4];s=!!f[5];v=g-k;u=2*a;for(f=1;f<=u;f++)w=f/u,s||(w=1-w),w=k+w*v,g=h+t*Math.cos(w),w=l+t*Math.sin(w),c.push(new THREE.Vector2(g,w));break;case THREE.PathActions.ELLIPSE:for(h=f[0],l=f[1],t=f[2],q=f[3],k=f[4],g=f[5],s=!!f[6],v=g-k,u=2*a,f=1;f<=u;f++)w=f/u,s||
-(w=1-w),w=k+w*v,g=h+t*Math.cos(w),w=l+q*Math.sin(w),c.push(new THREE.Vector2(g,w))}d=c[c.length-1];1E-10>Math.abs(d.x-c[0].x)&&1E-10>Math.abs(d.y-c[0].y)&&c.splice(c.length-1,1);b&&c.push(c[0]);return c};
-THREE.Path.prototype.toShapes=function(){var a,b,c,d,e=[],f=new THREE.Path;a=0;for(b=this.actions.length;a<b;a++)c=this.actions[a],d=c.args,c=c.action,c==THREE.PathActions.MOVE_TO&&0!=f.actions.length&&(e.push(f),f=new THREE.Path),f[c].apply(f,d);0!=f.actions.length&&e.push(f);if(0==e.length)return[];var g;d=[];a=!THREE.Shape.Utils.isClockWise(e[0].getPoints());if(1==e.length)return f=e[0],g=new THREE.Shape,g.actions=f.actions,g.curves=f.curves,d.push(g),d;if(a)for(g=new THREE.Shape,a=0,b=e.length;a<
-b;a++)f=e[a],THREE.Shape.Utils.isClockWise(f.getPoints())?(g.actions=f.actions,g.curves=f.curves,d.push(g),g=new THREE.Shape):g.holes.push(f);else{a=0;for(b=e.length;a<b;a++)f=e[a],THREE.Shape.Utils.isClockWise(f.getPoints())?(g&&d.push(g),g=new THREE.Shape,g.actions=f.actions,g.curves=f.curves):g.holes.push(f);d.push(g)}return d};THREE.Shape=function(){THREE.Path.apply(this,arguments);this.holes=[]};THREE.Shape.prototype=Object.create(THREE.Path.prototype);
-THREE.Shape.prototype.extrude=function(a){return new THREE.ExtrudeGeometry(this,a)};THREE.Shape.prototype.makeGeometry=function(a){return new THREE.ShapeGeometry(this,a)};THREE.Shape.prototype.getPointsHoles=function(a){var b,c=this.holes.length,d=[];for(b=0;b<c;b++)d[b]=this.holes[b].getTransformedPoints(a,this.bends);return d};THREE.Shape.prototype.getSpacedPointsHoles=function(a){var b,c=this.holes.length,d=[];for(b=0;b<c;b++)d[b]=this.holes[b].getTransformedSpacedPoints(a,this.bends);return d};
-THREE.Shape.prototype.extractAllPoints=function(a){return{shape:this.getTransformedPoints(a),holes:this.getPointsHoles(a)}};THREE.Shape.prototype.extractPoints=function(a){return this.useSpacedPoints?this.extractAllSpacedPoints(a):this.extractAllPoints(a)};THREE.Shape.prototype.extractAllSpacedPoints=function(a){return{shape:this.getTransformedSpacedPoints(a),holes:this.getSpacedPointsHoles(a)}};
-THREE.Shape.Utils={removeHoles:function(a,b){var c=a.concat(),d=c.concat(),e,f,g,h,l,k,q,s,t,v,u=[];for(l=0;l<b.length;l++){k=b[l];Array.prototype.push.apply(d,k);f=Number.POSITIVE_INFINITY;for(e=0;e<k.length;e++)for(t=k[e],v=[],s=0;s<c.length;s++)q=c[s],q=t.distanceToSquared(q),v.push(q),q<f&&(f=q,g=e,h=s);e=0<=h-1?h-1:c.length-1;f=0<=g-1?g-1:k.length-1;var w=[k[g],c[h],c[e]];s=THREE.FontUtils.Triangulate.area(w);var x=[k[g],k[f],c[h]];t=THREE.FontUtils.Triangulate.area(x);v=h;q=g;h+=1;g+=-1;0>h&&
-(h+=c.length);h%=c.length;0>g&&(g+=k.length);g%=k.length;e=0<=h-1?h-1:c.length-1;f=0<=g-1?g-1:k.length-1;w=[k[g],c[h],c[e]];w=THREE.FontUtils.Triangulate.area(w);x=[k[g],k[f],c[h]];x=THREE.FontUtils.Triangulate.area(x);s+t>w+x&&(h=v,g=q,0>h&&(h+=c.length),h%=c.length,0>g&&(g+=k.length),g%=k.length,e=0<=h-1?h-1:c.length-1,f=0<=g-1?g-1:k.length-1);s=c.slice(0,h);t=c.slice(h);v=k.slice(g);q=k.slice(0,g);f=[k[g],k[f],c[h]];u.push([k[g],c[h],c[e]]);u.push(f);c=s.concat(v).concat(q).concat(t)}return{shape:c,
-isolatedPts:u,allpoints:d}},triangulateShape:function(a,b){var c=THREE.Shape.Utils.removeHoles(a,b),d=c.allpoints,e=c.isolatedPts,c=THREE.FontUtils.Triangulate(c.shape,!1),f,g,h,l,k={};f=0;for(g=d.length;f<g;f++)l=d[f].x+":"+d[f].y,void 0!==k[l]&&console.log("Duplicate point",l),k[l]=f;f=0;for(g=c.length;f<g;f++)for(h=c[f],d=0;3>d;d++)l=h[d].x+":"+h[d].y,l=k[l],void 0!==l&&(h[d]=l);f=0;for(g=e.length;f<g;f++)for(h=e[f],d=0;3>d;d++)l=h[d].x+":"+h[d].y,l=k[l],void 0!==l&&(h[d]=l);return c.concat(e)},
-isClockWise:function(a){return 0>THREE.FontUtils.Triangulate.area(a)},b2p0:function(a,b){var c=1-a;return c*c*b},b2p1:function(a,b){return 2*(1-a)*a*b},b2p2:function(a,b){return a*a*b},b2:function(a,b,c,d){return this.b2p0(a,b)+this.b2p1(a,c)+this.b2p2(a,d)},b3p0:function(a,b){var c=1-a;return c*c*c*b},b3p1:function(a,b){var c=1-a;return 3*c*c*a*b},b3p2:function(a,b){return 3*(1-a)*a*a*b},b3p3:function(a,b){return a*a*a*b},b3:function(a,b,c,d,e){return this.b3p0(a,b)+this.b3p1(a,c)+this.b3p2(a,d)+
-this.b3p3(a,e)}};
-THREE.AnimationHandler=function(){var a=[],b={},c={update:function(b){for(var c=0;c<a.length;c++)a[c].update(b)},addToUpdate:function(b){-1===a.indexOf(b)&&a.push(b)},removeFromUpdate:function(b){b=a.indexOf(b);-1!==b&&a.splice(b,1)},add:function(a){void 0!==b[a.name]&&console.log("THREE.AnimationHandler.add: Warning! "+a.name+" already exists in library. Overwriting.");b[a.name]=a;if(!0!==a.initialized){for(var c=0;c<a.hierarchy.length;c++){for(var d=0;d<a.hierarchy[c].keys.length;d++)if(0>a.hierarchy[c].keys[d].time&&
-(a.hierarchy[c].keys[d].time=0),void 0!==a.hierarchy[c].keys[d].rot&&!(a.hierarchy[c].keys[d].rot instanceof THREE.Quaternion)){var h=a.hierarchy[c].keys[d].rot;a.hierarchy[c].keys[d].rot=new THREE.Quaternion(h[0],h[1],h[2],h[3])}if(a.hierarchy[c].keys.length&&void 0!==a.hierarchy[c].keys[0].morphTargets){h={};for(d=0;d<a.hierarchy[c].keys.length;d++)for(var l=0;l<a.hierarchy[c].keys[d].morphTargets.length;l++){var k=a.hierarchy[c].keys[d].morphTargets[l];h[k]=-1}a.hierarchy[c].usedMorphTargets=h;
-for(d=0;d<a.hierarchy[c].keys.length;d++){var q={};for(k in h){for(l=0;l<a.hierarchy[c].keys[d].morphTargets.length;l++)if(a.hierarchy[c].keys[d].morphTargets[l]===k){q[k]=a.hierarchy[c].keys[d].morphTargetsInfluences[l];break}l===a.hierarchy[c].keys[d].morphTargets.length&&(q[k]=0)}a.hierarchy[c].keys[d].morphTargetsInfluences=q}}for(d=1;d<a.hierarchy[c].keys.length;d++)a.hierarchy[c].keys[d].time===a.hierarchy[c].keys[d-1].time&&(a.hierarchy[c].keys.splice(d,1),d--);for(d=0;d<a.hierarchy[c].keys.length;d++)a.hierarchy[c].keys[d].index=
-d}d=parseInt(a.length*a.fps,10);a.JIT={};a.JIT.hierarchy=[];for(c=0;c<a.hierarchy.length;c++)a.JIT.hierarchy.push(Array(d));a.initialized=!0}},get:function(a){if("string"===typeof a){if(b[a])return b[a];console.log("THREE.AnimationHandler.get: Couldn't find animation "+a);return null}},parse:function(a){var b=[];if(a instanceof THREE.SkinnedMesh)for(var c=0;c<a.bones.length;c++)b.push(a.bones[c]);else d(a,b);return b}},d=function(a,b){b.push(a);for(var c=0;c<a.children.length;c++)d(a.children[c],
-b)};c.LINEAR=0;c.CATMULLROM=1;c.CATMULLROM_FORWARD=2;return c}();THREE.Animation=function(a,b,c){this.root=a;this.data=THREE.AnimationHandler.get(b);this.hierarchy=THREE.AnimationHandler.parse(a);this.currentTime=0;this.timeScale=1;this.isPlaying=!1;this.loop=this.isPaused=!0;this.interpolationType=void 0!==c?c:THREE.AnimationHandler.LINEAR;this.points=[];this.target=new THREE.Vector3};
-THREE.Animation.prototype.play=function(a,b){if(!1===this.isPlaying){this.isPlaying=!0;this.loop=void 0!==a?a:!0;this.currentTime=void 0!==b?b:0;var c,d=this.hierarchy.length,e;for(c=0;c<d;c++){e=this.hierarchy[c];this.interpolationType!==THREE.AnimationHandler.CATMULLROM_FORWARD&&(e.useQuaternion=!0);e.matrixAutoUpdate=!0;void 0===e.animationCache&&(e.animationCache={},e.animationCache.prevKey={pos:0,rot:0,scl:0},e.animationCache.nextKey={pos:0,rot:0,scl:0},e.animationCache.originalMatrix=e instanceof
-THREE.Bone?e.skinMatrix:e.matrix);var f=e.animationCache.prevKey;e=e.animationCache.nextKey;f.pos=this.data.hierarchy[c].keys[0];f.rot=this.data.hierarchy[c].keys[0];f.scl=this.data.hierarchy[c].keys[0];e.pos=this.getNextKeyWith("pos",c,1);e.rot=this.getNextKeyWith("rot",c,1);e.scl=this.getNextKeyWith("scl",c,1)}this.update(0)}this.isPaused=!1;THREE.AnimationHandler.addToUpdate(this)};
-THREE.Animation.prototype.pause=function(){!0===this.isPaused?THREE.AnimationHandler.addToUpdate(this):THREE.AnimationHandler.removeFromUpdate(this);this.isPaused=!this.isPaused};THREE.Animation.prototype.stop=function(){this.isPaused=this.isPlaying=!1;THREE.AnimationHandler.removeFromUpdate(this)};
-THREE.Animation.prototype.update=function(a){if(!1!==this.isPlaying){var b=["pos","rot","scl"],c,d,e,f,g,h,l,k,q;q=this.currentTime+=a*this.timeScale;k=this.currentTime%=this.data.length;parseInt(Math.min(k*this.data.fps,this.data.length*this.data.fps),10);for(var s=0,t=this.hierarchy.length;s<t;s++){a=this.hierarchy[s];l=a.animationCache;for(var v=0;3>v;v++){c=b[v];g=l.prevKey[c];h=l.nextKey[c];if(h.time<=q){if(k<q)if(this.loop)for(g=this.data.hierarchy[s].keys[0],h=this.getNextKeyWith(c,s,1);h.time<
-k;)g=h,h=this.getNextKeyWith(c,s,h.index+1);else{this.stop();return}else{do g=h,h=this.getNextKeyWith(c,s,h.index+1);while(h.time<k)}l.prevKey[c]=g;l.nextKey[c]=h}a.matrixAutoUpdate=!0;a.matrixWorldNeedsUpdate=!0;d=(k-g.time)/(h.time-g.time);e=g[c];f=h[c];if(0>d||1<d)console.log("THREE.Animation.update: Warning! Scale out of bounds:"+d+" on bone "+s),d=0>d?0:1;if("pos"===c)if(c=a.position,this.interpolationType===THREE.AnimationHandler.LINEAR)c.x=e[0]+(f[0]-e[0])*d,c.y=e[1]+(f[1]-e[1])*d,c.z=e[2]+
-(f[2]-e[2])*d;else{if(this.interpolationType===THREE.AnimationHandler.CATMULLROM||this.interpolationType===THREE.AnimationHandler.CATMULLROM_FORWARD)this.points[0]=this.getPrevKeyWith("pos",s,g.index-1).pos,this.points[1]=e,this.points[2]=f,this.points[3]=this.getNextKeyWith("pos",s,h.index+1).pos,d=0.33*d+0.33,e=this.interpolateCatmullRom(this.points,d),c.x=e[0],c.y=e[1],c.z=e[2],this.interpolationType===THREE.AnimationHandler.CATMULLROM_FORWARD&&(d=this.interpolateCatmullRom(this.points,1.01*d),
-this.target.set(d[0],d[1],d[2]),this.target.subSelf(c),this.target.y=0,this.target.normalize(),d=Math.atan2(this.target.x,this.target.z),a.rotation.set(0,d,0))}else"rot"===c?THREE.Quaternion.slerp(e,f,a.quaternion,d):"scl"===c&&(c=a.scale,c.x=e[0]+(f[0]-e[0])*d,c.y=e[1]+(f[1]-e[1])*d,c.z=e[2]+(f[2]-e[2])*d)}}}};
-THREE.Animation.prototype.interpolateCatmullRom=function(a,b){var c=[],d=[],e,f,g,h,l,k;e=(a.length-1)*b;f=Math.floor(e);e-=f;c[0]=0===f?f:f-1;c[1]=f;c[2]=f>a.length-2?f:f+1;c[3]=f>a.length-3?f:f+2;f=a[c[0]];h=a[c[1]];l=a[c[2]];k=a[c[3]];c=e*e;g=e*c;d[0]=this.interpolate(f[0],h[0],l[0],k[0],e,c,g);d[1]=this.interpolate(f[1],h[1],l[1],k[1],e,c,g);d[2]=this.interpolate(f[2],h[2],l[2],k[2],e,c,g);return d};
-THREE.Animation.prototype.interpolate=function(a,b,c,d,e,f,g){a=0.5*(c-a);d=0.5*(d-b);return(2*(b-c)+a+d)*g+(-3*(b-c)-2*a-d)*f+a*e+b};THREE.Animation.prototype.getNextKeyWith=function(a,b,c){var d=this.data.hierarchy[b].keys;for(c=this.interpolationType===THREE.AnimationHandler.CATMULLROM||this.interpolationType===THREE.AnimationHandler.CATMULLROM_FORWARD?c<d.length-1?c:d.length-1:c%d.length;c<d.length;c++)if(void 0!==d[c][a])return d[c];return this.data.hierarchy[b].keys[0]};
-THREE.Animation.prototype.getPrevKeyWith=function(a,b,c){var d=this.data.hierarchy[b].keys;for(c=this.interpolationType===THREE.AnimationHandler.CATMULLROM||this.interpolationType===THREE.AnimationHandler.CATMULLROM_FORWARD?0<c?c:0:0<=c?c:c+d.length;0<=c;c--)if(void 0!==d[c][a])return d[c];return this.data.hierarchy[b].keys[d.length-1]};
-THREE.KeyFrameAnimation=function(a,b,c){this.root=a;this.data=THREE.AnimationHandler.get(b);this.hierarchy=THREE.AnimationHandler.parse(a);this.currentTime=0;this.timeScale=0.001;this.isPlaying=!1;this.loop=this.isPaused=!0;this.JITCompile=void 0!==c?c:!0;a=0;for(b=this.hierarchy.length;a<b;a++){c=this.data.hierarchy[a].sids;var d=this.hierarchy[a];if(this.data.hierarchy[a].keys.length&&c){for(var e=0;e<c.length;e++){var f=c[e],g=this.getNextKeyWith(f,a,0);g&&g.apply(f)}d.matrixAutoUpdate=!1;this.data.hierarchy[a].node.updateMatrix();
-d.matrixWorldNeedsUpdate=!0}}};
-THREE.KeyFrameAnimation.prototype.play=function(a,b){if(!this.isPlaying){this.isPlaying=!0;this.loop=void 0!==a?a:!0;this.currentTime=void 0!==b?b:0;this.startTimeMs=b;this.startTime=1E7;this.endTime=-this.startTime;var c,d=this.hierarchy.length,e,f;for(c=0;c<d;c++)e=this.hierarchy[c],f=this.data.hierarchy[c],e.useQuaternion=!0,void 0===f.animationCache&&(f.animationCache={},f.animationCache.prevKey=null,f.animationCache.nextKey=null,f.animationCache.originalMatrix=e instanceof THREE.Bone?e.skinMatrix:
-e.matrix),e=this.data.hierarchy[c].keys,e.length&&(f.animationCache.prevKey=e[0],f.animationCache.nextKey=e[1],this.startTime=Math.min(e[0].time,this.startTime),this.endTime=Math.max(e[e.length-1].time,this.endTime));this.update(0)}this.isPaused=!1;THREE.AnimationHandler.addToUpdate(this)};THREE.KeyFrameAnimation.prototype.pause=function(){this.isPaused?THREE.AnimationHandler.addToUpdate(this):THREE.AnimationHandler.removeFromUpdate(this);this.isPaused=!this.isPaused};
-THREE.KeyFrameAnimation.prototype.stop=function(){this.isPaused=this.isPlaying=!1;THREE.AnimationHandler.removeFromUpdate(this);for(var a=0;a<this.data.hierarchy.length;a++){var b=this.hierarchy[a],c=this.data.hierarchy[a];if(void 0!==c.animationCache){var d=c.animationCache.originalMatrix;b instanceof THREE.Bone?(d.copy(b.skinMatrix),b.skinMatrix=d):(d.copy(b.matrix),b.matrix=d);delete c.animationCache}}};
-THREE.KeyFrameAnimation.prototype.update=function(a){if(this.isPlaying){var b,c,d,e,f=this.data.JIT.hierarchy,g,h,l;h=this.currentTime+=a*this.timeScale;g=this.currentTime%=this.data.length;g<this.startTimeMs&&(g=this.currentTime=this.startTimeMs+g);e=parseInt(Math.min(g*this.data.fps,this.data.length*this.data.fps),10);if((l=g<h)&&!this.loop){a=0;for(var k=this.hierarchy.length;a<k;a++){var q=this.data.hierarchy[a].keys,f=this.data.hierarchy[a].sids;d=q.length-1;e=this.hierarchy[a];if(q.length){for(q=
-0;q<f.length;q++)g=f[q],(h=this.getPrevKeyWith(g,a,d))&&h.apply(g);this.data.hierarchy[a].node.updateMatrix();e.matrixWorldNeedsUpdate=!0}}this.stop()}else if(!(g<this.startTime)){a=0;for(k=this.hierarchy.length;a<k;a++){d=this.hierarchy[a];b=this.data.hierarchy[a];var q=b.keys,s=b.animationCache;if(this.JITCompile&&void 0!==f[a][e])d instanceof THREE.Bone?(d.skinMatrix=f[a][e],d.matrixWorldNeedsUpdate=!1):(d.matrix=f[a][e],d.matrixWorldNeedsUpdate=!0);else if(q.length){this.JITCompile&&s&&(d instanceof
-THREE.Bone?d.skinMatrix=s.originalMatrix:d.matrix=s.originalMatrix);b=s.prevKey;c=s.nextKey;if(b&&c){if(c.time<=h){if(l&&this.loop)for(b=q[0],c=q[1];c.time<g;)b=c,c=q[b.index+1];else if(!l)for(var t=q.length-1;c.time<g&&c.index!==t;)b=c,c=q[b.index+1];s.prevKey=b;s.nextKey=c}c.time>=g?b.interpolate(c,g):b.interpolate(c,c.time)}this.data.hierarchy[a].node.updateMatrix();d.matrixWorldNeedsUpdate=!0}}if(this.JITCompile&&void 0===f[0][e])for(this.hierarchy[0].updateMatrixWorld(!0),a=0;a<this.hierarchy.length;a++)f[a][e]=
-this.hierarchy[a]instanceof THREE.Bone?this.hierarchy[a].skinMatrix.clone():this.hierarchy[a].matrix.clone()}}};THREE.KeyFrameAnimation.prototype.getNextKeyWith=function(a,b,c){b=this.data.hierarchy[b].keys;for(c%=b.length;c<b.length;c++)if(b[c].hasTarget(a))return b[c];return b[0]};THREE.KeyFrameAnimation.prototype.getPrevKeyWith=function(a,b,c){b=this.data.hierarchy[b].keys;for(c=0<=c?c:c+b.length;0<=c;c--)if(b[c].hasTarget(a))return b[c];return b[b.length-1]};
-THREE.CubeCamera=function(a,b,c){THREE.Object3D.call(this);var d=new THREE.PerspectiveCamera(90,1,a,b);d.up.set(0,-1,0);d.lookAt(new THREE.Vector3(1,0,0));this.add(d);var e=new THREE.PerspectiveCamera(90,1,a,b);e.up.set(0,-1,0);e.lookAt(new THREE.Vector3(-1,0,0));this.add(e);var f=new THREE.PerspectiveCamera(90,1,a,b);f.up.set(0,0,1);f.lookAt(new THREE.Vector3(0,1,0));this.add(f);var g=new THREE.PerspectiveCamera(90,1,a,b);g.up.set(0,0,-1);g.lookAt(new THREE.Vector3(0,-1,0));this.add(g);var h=new THREE.PerspectiveCamera(90,
-1,a,b);h.up.set(0,-1,0);h.lookAt(new THREE.Vector3(0,0,1));this.add(h);var l=new THREE.PerspectiveCamera(90,1,a,b);l.up.set(0,-1,0);l.lookAt(new THREE.Vector3(0,0,-1));this.add(l);this.renderTarget=new THREE.WebGLRenderTargetCube(c,c,{format:THREE.RGBFormat,magFilter:THREE.LinearFilter,minFilter:THREE.LinearFilter});this.updateCubeMap=function(a,b){var c=this.renderTarget,t=c.generateMipmaps;c.generateMipmaps=!1;c.activeCubeFace=0;a.render(b,d,c);c.activeCubeFace=1;a.render(b,e,c);c.activeCubeFace=
-2;a.render(b,f,c);c.activeCubeFace=3;a.render(b,g,c);c.activeCubeFace=4;a.render(b,h,c);c.generateMipmaps=t;c.activeCubeFace=5;a.render(b,l,c)}};THREE.CubeCamera.prototype=Object.create(THREE.Object3D.prototype);THREE.CombinedCamera=function(a,b,c,d,e,f,g){THREE.Camera.call(this);this.fov=c;this.left=-a/2;this.right=a/2;this.top=b/2;this.bottom=-b/2;this.cameraO=new THREE.OrthographicCamera(a/-2,a/2,b/2,b/-2,f,g);this.cameraP=new THREE.PerspectiveCamera(c,a/b,d,e);this.zoom=1;this.toPerspective()};
-THREE.CombinedCamera.prototype=Object.create(THREE.Camera.prototype);THREE.CombinedCamera.prototype.toPerspective=function(){this.near=this.cameraP.near;this.far=this.cameraP.far;this.cameraP.fov=this.fov/this.zoom;this.cameraP.updateProjectionMatrix();this.projectionMatrix=this.cameraP.projectionMatrix;this.inPerspectiveMode=!0;this.inOrthographicMode=!1};
-THREE.CombinedCamera.prototype.toOrthographic=function(){var a=this.cameraP.aspect,b=(this.cameraP.near+this.cameraP.far)/2,b=Math.tan(this.fov/2)*b,a=2*b*a/2,b=b/this.zoom,a=a/this.zoom;this.cameraO.left=-a;this.cameraO.right=a;this.cameraO.top=b;this.cameraO.bottom=-b;this.cameraO.updateProjectionMatrix();this.near=this.cameraO.near;this.far=this.cameraO.far;this.projectionMatrix=this.cameraO.projectionMatrix;this.inPerspectiveMode=!1;this.inOrthographicMode=!0};
-THREE.CombinedCamera.prototype.setSize=function(a,b){this.cameraP.aspect=a/b;this.left=-a/2;this.right=a/2;this.top=b/2;this.bottom=-b/2};THREE.CombinedCamera.prototype.setFov=function(a){this.fov=a;this.inPerspectiveMode?this.toPerspective():this.toOrthographic()};THREE.CombinedCamera.prototype.updateProjectionMatrix=function(){this.inPerspectiveMode?this.toPerspective():(this.toPerspective(),this.toOrthographic())};
-THREE.CombinedCamera.prototype.setLens=function(a,b){void 0===b&&(b=24);var c=2*Math.atan(b/(2*a))*(180/Math.PI);this.setFov(c);return c};THREE.CombinedCamera.prototype.setZoom=function(a){this.zoom=a;this.inPerspectiveMode?this.toPerspective():this.toOrthographic()};THREE.CombinedCamera.prototype.toFrontView=function(){this.rotation.x=0;this.rotation.y=0;this.rotation.z=0;this.rotationAutoUpdate=!1};
-THREE.CombinedCamera.prototype.toBackView=function(){this.rotation.x=0;this.rotation.y=Math.PI;this.rotation.z=0;this.rotationAutoUpdate=!1};THREE.CombinedCamera.prototype.toLeftView=function(){this.rotation.x=0;this.rotation.y=-Math.PI/2;this.rotation.z=0;this.rotationAutoUpdate=!1};THREE.CombinedCamera.prototype.toRightView=function(){this.rotation.x=0;this.rotation.y=Math.PI/2;this.rotation.z=0;this.rotationAutoUpdate=!1};
-THREE.CombinedCamera.prototype.toTopView=function(){this.rotation.x=-Math.PI/2;this.rotation.y=0;this.rotation.z=0;this.rotationAutoUpdate=!1};THREE.CombinedCamera.prototype.toBottomView=function(){this.rotation.x=Math.PI/2;this.rotation.y=0;this.rotation.z=0;this.rotationAutoUpdate=!1};
-THREE.AsteriskGeometry=function(a,b){THREE.Geometry.call(this);for(var c=0.707*a,d=0.707*b,c=[[a,0,0],[b,0,0],[-a,0,0],[-b,0,0],[0,a,0],[0,b,0],[0,-a,0],[0,-b,0],[0,0,a],[0,0,b],[0,0,-a],[0,0,-b],[c,c,0],[d,d,0],[-c,-c,0],[-d,-d,0],[c,-c,0],[d,-d,0],[-c,c,0],[-d,d,0],[c,0,c],[d,0,d],[-c,0,-c],[-d,0,-d],[c,0,-c],[d,0,-d],[-c,0,c],[-d,0,d],[0,c,c],[0,d,d],[0,-c,-c],[0,-d,-d],[0,c,-c],[0,d,-d],[0,-c,c],[0,-d,d]],d=0,e=c.length;d<e;d++)this.vertices.push(new THREE.Vector3(c[d][0],c[d][1],c[d][2]))};
-THREE.AsteriskGeometry.prototype=Object.create(THREE.Geometry.prototype);
-THREE.CircleGeometry=function(a,b,c,d){THREE.Geometry.call(this);a=a||50;c=void 0!==c?c:0;d=void 0!==d?d:2*Math.PI;b=void 0!==b?Math.max(3,b):8;var e,f=[];e=new THREE.Vector3;var g=new THREE.UV(0.5,0.5);this.vertices.push(e);f.push(g);for(e=0;e<=b;e++){var h=new THREE.Vector3;h.x=a*Math.cos(c+e/b*d);h.y=a*Math.sin(c+e/b*d);this.vertices.push(h);f.push(new THREE.UV((h.x/a+1)/2,-(h.y/a+1)/2+1))}c=new THREE.Vector3(0,0,-1);for(e=1;e<=b;e++)this.faces.push(new THREE.Face3(e,e+1,0,[c,c,c])),this.faceVertexUvs[0].push([f[e],
-f[e+1],g]);this.computeCentroids();this.computeFaceNormals();this.boundingSphere={radius:a}};THREE.CircleGeometry.prototype=Object.create(THREE.Geometry.prototype);
-THREE.CubeGeometry=function(a,b,c,d,e,f){function g(a,b,c,d,e,f,g,w){var x,y=h.widthSegments,A=h.heightSegments,C=e/2,B=f/2,z=h.vertices.length;if("x"===a&&"y"===b||"y"===a&&"x"===b)x="z";else if("x"===a&&"z"===b||"z"===a&&"x"===b)x="y",A=h.depthSegments;else if("z"===a&&"y"===b||"y"===a&&"z"===b)x="x",y=h.depthSegments;var D=y+1,I=A+1,J=e/y,F=f/A,K=new THREE.Vector3;K[x]=0<g?1:-1;for(e=0;e<I;e++)for(f=0;f<D;f++){var L=new THREE.Vector3;L[a]=(f*J-C)*c;L[b]=(e*F-B)*d;L[x]=g;h.vertices.push(L)}for(e=
-0;e<A;e++)for(f=0;f<y;f++)a=new THREE.Face4(f+D*e+z,f+D*(e+1)+z,f+1+D*(e+1)+z,f+1+D*e+z),a.normal.copy(K),a.vertexNormals.push(K.clone(),K.clone(),K.clone(),K.clone()),a.materialIndex=w,h.faces.push(a),h.faceVertexUvs[0].push([new THREE.UV(f/y,1-e/A),new THREE.UV(f/y,1-(e+1)/A),new THREE.UV((f+1)/y,1-(e+1)/A),new THREE.UV((f+1)/y,1-e/A)])}THREE.Geometry.call(this);var h=this;this.width=a;this.height=b;this.depth=c;this.widthSegments=d||1;this.heightSegments=e||1;this.depthSegments=f||1;a=this.width/
-2;b=this.height/2;c=this.depth/2;g("z","y",-1,-1,this.depth,this.height,a,0);g("z","y",1,-1,this.depth,this.height,-a,1);g("x","z",1,1,this.width,this.depth,b,2);g("x","z",1,-1,this.width,this.depth,-b,3);g("x","y",1,-1,this.width,this.height,c,4);g("x","y",-1,-1,this.width,this.height,-c,5);this.computeCentroids();this.mergeVertices()};THREE.CubeGeometry.prototype=Object.create(THREE.Geometry.prototype);
-THREE.CylinderGeometry=function(a,b,c,d,e,f){THREE.Geometry.call(this);a=void 0!==a?a:20;b=void 0!==b?b:20;c=void 0!==c?c:100;var g=c/2;d=d||8;e=e||1;var h,l,k=[],q=[];for(l=0;l<=e;l++){var s=[],t=[],v=l/e,u=v*(b-a)+a;for(h=0;h<=d;h++){var w=h/d,x=new THREE.Vector3;x.x=u*Math.sin(w*Math.PI*2);x.y=-v*c+g;x.z=u*Math.cos(w*Math.PI*2);this.vertices.push(x);s.push(this.vertices.length-1);t.push(new THREE.UV(w,1-v))}k.push(s);q.push(t)}c=(b-a)/c;for(h=0;h<d;h++)for(0!==a?(s=this.vertices[k[0][h]].clone(),
-t=this.vertices[k[0][h+1]].clone()):(s=this.vertices[k[1][h]].clone(),t=this.vertices[k[1][h+1]].clone()),s.setY(Math.sqrt(s.x*s.x+s.z*s.z)*c).normalize(),t.setY(Math.sqrt(t.x*t.x+t.z*t.z)*c).normalize(),l=0;l<e;l++){var v=k[l][h],u=k[l+1][h],w=k[l+1][h+1],x=k[l][h+1],y=s.clone(),A=s.clone(),C=t.clone(),B=t.clone(),z=q[l][h].clone(),D=q[l+1][h].clone(),I=q[l+1][h+1].clone(),J=q[l][h+1].clone();this.faces.push(new THREE.Face4(v,u,w,x,[y,A,C,B]));this.faceVertexUvs[0].push([z,D,I,J])}if(!f&&0<a)for(this.vertices.push(new THREE.Vector3(0,
-g,0)),h=0;h<d;h++)v=k[0][h],u=k[0][h+1],w=this.vertices.length-1,y=new THREE.Vector3(0,1,0),A=new THREE.Vector3(0,1,0),C=new THREE.Vector3(0,1,0),z=q[0][h].clone(),D=q[0][h+1].clone(),I=new THREE.UV(D.u,0),this.faces.push(new THREE.Face3(v,u,w,[y,A,C])),this.faceVertexUvs[0].push([z,D,I]);if(!f&&0<b)for(this.vertices.push(new THREE.Vector3(0,-g,0)),h=0;h<d;h++)v=k[l][h+1],u=k[l][h],w=this.vertices.length-1,y=new THREE.Vector3(0,-1,0),A=new THREE.Vector3(0,-1,0),C=new THREE.Vector3(0,-1,0),z=q[l][h+
-1].clone(),D=q[l][h].clone(),I=new THREE.UV(D.u,1),this.faces.push(new THREE.Face3(v,u,w,[y,A,C])),this.faceVertexUvs[0].push([z,D,I]);this.computeCentroids();this.computeFaceNormals()};THREE.CylinderGeometry.prototype=Object.create(THREE.Geometry.prototype);THREE.ExtrudeGeometry=function(a,b){"undefined"!==typeof a&&(THREE.Geometry.call(this),a=a instanceof Array?a:[a],this.shapebb=a[a.length-1].getBoundingBox(),this.addShapeList(a,b),this.computeCentroids(),this.computeFaceNormals())};
-THREE.ExtrudeGeometry.prototype=Object.create(THREE.Geometry.prototype);THREE.ExtrudeGeometry.prototype.addShapeList=function(a,b){for(var c=a.length,d=0;d<c;d++)this.addShape(a[d],b)};
-THREE.ExtrudeGeometry.prototype.addShape=function(a,b){function c(a,b,c){b||console.log("die");return b.clone().multiplyScalar(c).addSelf(a)}function d(a,b,c){var d=THREE.ExtrudeGeometry.__v1,e=THREE.ExtrudeGeometry.__v2,f=THREE.ExtrudeGeometry.__v3,g=THREE.ExtrudeGeometry.__v4,h=THREE.ExtrudeGeometry.__v5,k=THREE.ExtrudeGeometry.__v6;d.set(a.x-b.x,a.y-b.y);e.set(a.x-c.x,a.y-c.y);d=d.normalize();e=e.normalize();f.set(-d.y,d.x);g.set(e.y,-e.x);h.copy(a).addSelf(f);k.copy(a).addSelf(g);if(h.equals(k))return g.clone();
-h.copy(b).addSelf(f);k.copy(c).addSelf(g);f=d.dot(g);g=k.subSelf(h).dot(g);0===f&&(console.log("Either infinite or no solutions!"),0===g?console.log("Its finite solutions."):console.log("Too bad, no solutions."));g/=f;return 0>g?(b=Math.atan2(b.y-a.y,b.x-a.x),a=Math.atan2(c.y-a.y,c.x-a.x),b>a&&(a+=2*Math.PI),c=(b+a)/2,a=-Math.cos(c),c=-Math.sin(c),new THREE.Vector2(a,c)):d.multiplyScalar(g).addSelf(h).subSelf(a).clone()}function e(c,d){var e,f;for(N=c.length;0<=--N;){e=N;f=N-1;0>f&&(f=c.length-1);
-for(var g=0,h=t+2*q,g=0;g<h;g++){var k=oa*g,l=oa*(g+1),m=d+e+k,k=d+f+k,s=d+f+l,l=d+e+l,u=c,v=g,w=h,x=e,z=f,m=m+L,k=k+L,s=s+L,l=l+L;K.faces.push(new THREE.Face4(m,k,s,l,null,null,y));m=A.generateSideWallUV(K,a,u,b,m,k,s,l,v,w,x,z);K.faceVertexUvs[0].push(m)}}}function f(a,b,c){K.vertices.push(new THREE.Vector3(a,b,c))}function g(c,d,e,f){c+=L;d+=L;e+=L;K.faces.push(new THREE.Face3(c,d,e,null,null,x));c=f?A.generateBottomUV(K,a,b,c,d,e):A.generateTopUV(K,a,b,c,d,e);K.faceVertexUvs[0].push(c)}var h=
-void 0!==b.amount?b.amount:100,l=void 0!==b.bevelThickness?b.bevelThickness:6,k=void 0!==b.bevelSize?b.bevelSize:l-2,q=void 0!==b.bevelSegments?b.bevelSegments:3,s=void 0!==b.bevelEnabled?b.bevelEnabled:!0,t=void 0!==b.steps?b.steps:1,v=b.extrudePath,u,w=!1,x=b.material,y=b.extrudeMaterial,A=void 0!==b.UVGenerator?b.UVGenerator:THREE.ExtrudeGeometry.WorldUVGenerator,C,B,z,D;v&&(u=v.getSpacedPoints(t),w=!0,s=!1,C=void 0!==b.frames?b.frames:new THREE.TubeGeometry.FrenetFrames(v,t,!1),B=new THREE.Vector3,
-z=new THREE.Vector3,D=new THREE.Vector3);s||(k=l=q=0);var I,J,F,K=this,L=this.vertices.length,H=a.extractPoints(),v=H.shape,T=H.holes;if(H=!THREE.Shape.Utils.isClockWise(v)){v=v.reverse();J=0;for(F=T.length;J<F;J++)I=T[J],THREE.Shape.Utils.isClockWise(I)&&(T[J]=I.reverse());H=!1}var R=THREE.Shape.Utils.triangulateShape(v,T),m=v;J=0;for(F=T.length;J<F;J++)I=T[J],v=v.concat(I);var O,W,P,ha,ca,oa=v.length,S,Da=R.length,H=[],N=0;P=m.length;O=P-1;for(W=N+1;N<P;N++,O++,W++)O===P&&(O=0),W===P&&(W=0),H[N]=
-d(m[N],m[O],m[W]);var da=[],Q,U=H.concat();J=0;for(F=T.length;J<F;J++){I=T[J];Q=[];N=0;P=I.length;O=P-1;for(W=N+1;N<P;N++,O++,W++)O===P&&(O=0),W===P&&(W=0),Q[N]=d(I[N],I[O],I[W]);da.push(Q);U=U.concat(Q)}for(O=0;O<q;O++){P=O/q;ha=l*(1-P);W=k*Math.sin(P*Math.PI/2);N=0;for(P=m.length;N<P;N++)ca=c(m[N],H[N],W),f(ca.x,ca.y,-ha);J=0;for(F=T.length;J<F;J++)for(I=T[J],Q=da[J],N=0,P=I.length;N<P;N++)ca=c(I[N],Q[N],W),f(ca.x,ca.y,-ha)}W=k;for(N=0;N<oa;N++)ca=s?c(v[N],U[N],W):v[N],w?(z.copy(C.normals[0]).multiplyScalar(ca.x),
-B.copy(C.binormals[0]).multiplyScalar(ca.y),D.copy(u[0]).addSelf(z).addSelf(B),f(D.x,D.y,D.z)):f(ca.x,ca.y,0);for(P=1;P<=t;P++)for(N=0;N<oa;N++)ca=s?c(v[N],U[N],W):v[N],w?(z.copy(C.normals[P]).multiplyScalar(ca.x),B.copy(C.binormals[P]).multiplyScalar(ca.y),D.copy(u[P]).addSelf(z).addSelf(B),f(D.x,D.y,D.z)):f(ca.x,ca.y,h/t*P);for(O=q-1;0<=O;O--){P=O/q;ha=l*(1-P);W=k*Math.sin(P*Math.PI/2);N=0;for(P=m.length;N<P;N++)ca=c(m[N],H[N],W),f(ca.x,ca.y,h+ha);J=0;for(F=T.length;J<F;J++)for(I=T[J],Q=da[J],N=
-0,P=I.length;N<P;N++)ca=c(I[N],Q[N],W),w?f(ca.x,ca.y+u[t-1].y,u[t-1].x+ha):f(ca.x,ca.y,h+ha)}(function(){if(s){var a;a=0*oa;for(N=0;N<Da;N++)S=R[N],g(S[2]+a,S[1]+a,S[0]+a,!0);a=t+2*q;a*=oa;for(N=0;N<Da;N++)S=R[N],g(S[0]+a,S[1]+a,S[2]+a,!1)}else{for(N=0;N<Da;N++)S=R[N],g(S[2],S[1],S[0],!0);for(N=0;N<Da;N++)S=R[N],g(S[0]+oa*t,S[1]+oa*t,S[2]+oa*t,!1)}})();(function(){var a=0;e(m,a);a+=m.length;J=0;for(F=T.length;J<F;J++)I=T[J],e(I,a),a+=I.length})()};
-THREE.ExtrudeGeometry.WorldUVGenerator={generateTopUV:function(a,b,c,d,e,f){b=a.vertices[e].x;e=a.vertices[e].y;c=a.vertices[f].x;f=a.vertices[f].y;return[new THREE.UV(a.vertices[d].x,a.vertices[d].y),new THREE.UV(b,e),new THREE.UV(c,f)]},generateBottomUV:function(a,b,c,d,e,f){return this.generateTopUV(a,b,c,d,e,f)},generateSideWallUV:function(a,b,c,d,e,f,g,h,l,k,q,s){b=a.vertices[e].x;c=a.vertices[e].y;e=a.vertices[e].z;d=a.vertices[f].x;l=a.vertices[f].y;f=a.vertices[f].z;k=a.vertices[g].x;q=a.vertices[g].y;
-g=a.vertices[g].z;s=a.vertices[h].x;var t=a.vertices[h].y;a=a.vertices[h].z;return 0.01>Math.abs(c-l)?[new THREE.UV(b,1-e),new THREE.UV(d,1-f),new THREE.UV(k,1-g),new THREE.UV(s,1-a)]:[new THREE.UV(c,1-e),new THREE.UV(l,1-f),new THREE.UV(q,1-g),new THREE.UV(t,1-a)]}};THREE.ExtrudeGeometry.__v1=new THREE.Vector2;THREE.ExtrudeGeometry.__v2=new THREE.Vector2;THREE.ExtrudeGeometry.__v3=new THREE.Vector2;THREE.ExtrudeGeometry.__v4=new THREE.Vector2;THREE.ExtrudeGeometry.__v5=new THREE.Vector2;
-THREE.ExtrudeGeometry.__v6=new THREE.Vector2;THREE.ShapeGeometry=function(a,b){THREE.Geometry.call(this);!1===a instanceof Array&&(a=[a]);this.shapebb=a[a.length-1].getBoundingBox();this.addShapeList(a,b);this.computeCentroids();this.computeFaceNormals()};THREE.ShapeGeometry.prototype=Object.create(THREE.Geometry.prototype);THREE.ShapeGeometry.prototype.addShapeList=function(a,b){for(var c=0,d=a.length;c<d;c++)this.addShape(a[c],b);return this};
-THREE.ShapeGeometry.prototype.addShape=function(a,b){void 0===b&&(b={});var c=b.material,d=void 0===b.UVGenerator?THREE.ExtrudeGeometry.WorldUVGenerator:b.UVGenerator,e,f,g,h=this.vertices.length;e=a.extractPoints();var l=e.shape,k=e.holes;if(!THREE.Shape.Utils.isClockWise(l))for(l=l.reverse(),e=0,f=k.length;e<f;e++)g=k[e],THREE.Shape.Utils.isClockWise(g)&&(k[e]=g.reverse());var q=THREE.Shape.Utils.triangulateShape(l,k);e=0;for(f=k.length;e<f;e++)g=k[e],l=l.concat(g);k=l.length;f=q.length;for(e=0;e<
-k;e++)g=l[e],this.vertices.push(new THREE.Vector3(g.x,g.y,0));for(e=0;e<f;e++)k=q[e],l=k[0]+h,g=k[1]+h,k=k[2]+h,this.faces.push(new THREE.Face3(l,g,k,null,null,c)),this.faceVertexUvs[0].push(d.generateBottomUV(this,a,b,l,g,k))};
-THREE.LatheGeometry=function(a,b,c){THREE.Geometry.call(this);b=b||12;c=c||2*Math.PI;for(var d=[],e=(new THREE.Matrix4).makeRotationZ(c/b),f=0;f<a.length;f++)d[f]=a[f].clone(),this.vertices.push(d[f]);var g=b+1;for(c=0;c<g;c++)for(f=0;f<d.length;f++)d[f]=e.multiplyVector3(d[f].clone()),this.vertices.push(d[f]);for(c=0;c<b;c++)for(d=0,e=a.length;d<e-1;d++)this.faces.push(new THREE.Face4(c*e+d,(c+1)%g*e+d,(c+1)%g*e+(d+1)%e,c*e+(d+1)%e)),this.faceVertexUvs[0].push([new THREE.UV(1-c/b,d/e),new THREE.UV(1-
-(c+1)/b,d/e),new THREE.UV(1-(c+1)/b,(d+1)/e),new THREE.UV(1-c/b,(d+1)/e)]);this.computeCentroids();this.computeFaceNormals();this.computeVertexNormals()};THREE.LatheGeometry.prototype=Object.create(THREE.Geometry.prototype);
-THREE.PlaneGeometry=function(a,b,c,d){THREE.Geometry.call(this);this.width=a;this.height=b;this.widthSegments=c||1;this.heightSegments=d||1;c=a/2;var e=b/2;d=this.widthSegments;var f=this.heightSegments,g=d+1,h=f+1,l=this.width/d,k=this.height/f,q=new THREE.Vector3(0,0,1);for(a=0;a<h;a++)for(b=0;b<g;b++)this.vertices.push(new THREE.Vector3(b*l-c,-(a*k-e),0));for(a=0;a<f;a++)for(b=0;b<d;b++)c=new THREE.Face4(b+g*a,b+g*(a+1),b+1+g*(a+1),b+1+g*a),c.normal.copy(q),c.vertexNormals.push(q.clone(),q.clone(),
-q.clone(),q.clone()),this.faces.push(c),this.faceVertexUvs[0].push([new THREE.UV(b/d,1-a/f),new THREE.UV(b/d,1-(a+1)/f),new THREE.UV((b+1)/d,1-(a+1)/f),new THREE.UV((b+1)/d,1-a/f)]);this.computeCentroids()};THREE.PlaneGeometry.prototype=Object.create(THREE.Geometry.prototype);
-THREE.SphereGeometry=function(a,b,c,d,e,f,g){THREE.Geometry.call(this);this.radius=a||50;this.widthSegments=Math.max(3,Math.floor(b)||8);this.heightSegments=Math.max(2,Math.floor(c)||6);d=void 0!==d?d:0;e=void 0!==e?e:2*Math.PI;f=void 0!==f?f:0;g=void 0!==g?g:Math.PI;c=[];var h=[];for(b=0;b<=this.heightSegments;b++){var l=[],k=[];for(a=0;a<=this.widthSegments;a++){var q=a/this.widthSegments,s=b/this.heightSegments,t=new THREE.Vector3;t.x=-this.radius*Math.cos(d+q*e)*Math.sin(f+s*g);t.y=this.radius*
-Math.cos(f+s*g);t.z=this.radius*Math.sin(d+q*e)*Math.sin(f+s*g);this.vertices.push(t);l.push(this.vertices.length-1);k.push(new THREE.UV(q,1-s))}c.push(l);h.push(k)}for(b=0;b<this.heightSegments;b++)for(a=0;a<this.widthSegments;a++){d=c[b][a+1];e=c[b][a];f=c[b+1][a];g=c[b+1][a+1];var l=this.vertices[d].clone().normalize(),k=this.vertices[e].clone().normalize(),q=this.vertices[f].clone().normalize(),s=this.vertices[g].clone().normalize(),t=h[b][a+1].clone(),v=h[b][a].clone(),u=h[b+1][a].clone(),w=
-h[b+1][a+1].clone();Math.abs(this.vertices[d].y)===this.radius?(this.faces.push(new THREE.Face3(d,f,g,[l,q,s])),this.faceVertexUvs[0].push([t,u,w])):Math.abs(this.vertices[f].y)===this.radius?(this.faces.push(new THREE.Face3(d,e,f,[l,k,q])),this.faceVertexUvs[0].push([t,v,u])):(this.faces.push(new THREE.Face4(d,e,f,g,[l,k,q,s])),this.faceVertexUvs[0].push([t,v,u,w]))}this.computeCentroids();this.computeFaceNormals();this.boundingSphere={radius:this.radius}};THREE.SphereGeometry.prototype=Object.create(THREE.Geometry.prototype);
-THREE.TextGeometry=function(a,b){var c=THREE.FontUtils.generateShapes(a,b);b.amount=void 0!==b.height?b.height:50;void 0===b.bevelThickness&&(b.bevelThickness=10);void 0===b.bevelSize&&(b.bevelSize=8);void 0===b.bevelEnabled&&(b.bevelEnabled=!1);THREE.ExtrudeGeometry.call(this,c,b)};THREE.TextGeometry.prototype=Object.create(THREE.ExtrudeGeometry.prototype);
-THREE.TorusGeometry=function(a,b,c,d,e){THREE.Geometry.call(this);this.radius=a||100;this.tube=b||40;this.radialSegments=c||8;this.tubularSegments=d||6;this.arc=e||2*Math.PI;e=new THREE.Vector3;a=[];b=[];for(c=0;c<=this.radialSegments;c++)for(d=0;d<=this.tubularSegments;d++){var f=d/this.tubularSegments*this.arc,g=c/this.radialSegments*Math.PI*2;e.x=this.radius*Math.cos(f);e.y=this.radius*Math.sin(f);var h=new THREE.Vector3;h.x=(this.radius+this.tube*Math.cos(g))*Math.cos(f);h.y=(this.radius+this.tube*
-Math.cos(g))*Math.sin(f);h.z=this.tube*Math.sin(g);this.vertices.push(h);a.push(new THREE.UV(d/this.tubularSegments,c/this.radialSegments));b.push(h.clone().subSelf(e).normalize())}for(c=1;c<=this.radialSegments;c++)for(d=1;d<=this.tubularSegments;d++){e=(this.tubularSegments+1)*c+d-1;var f=(this.tubularSegments+1)*(c-1)+d-1,g=(this.tubularSegments+1)*(c-1)+d,h=(this.tubularSegments+1)*c+d,l=new THREE.Face4(e,f,g,h,[b[e],b[f],b[g],b[h]]);l.normal.addSelf(b[e]);l.normal.addSelf(b[f]);l.normal.addSelf(b[g]);
-l.normal.addSelf(b[h]);l.normal.normalize();this.faces.push(l);this.faceVertexUvs[0].push([a[e].clone(),a[f].clone(),a[g].clone(),a[h].clone()])}this.computeCentroids()};THREE.TorusGeometry.prototype=Object.create(THREE.Geometry.prototype);
-THREE.TorusKnotGeometry=function(a,b,c,d,e,f,g){function h(a,b,c,d,e,f){var g=Math.cos(a);Math.cos(b);b=Math.sin(a);a*=c/d;c=Math.cos(a);g*=e*(2+c)*0.5;b=e*(2+c)*b*0.5;e=f*e*Math.sin(a)*0.5;return new THREE.Vector3(g,b,e)}THREE.Geometry.call(this);this.radius=a||200;this.tube=b||40;this.radialSegments=c||64;this.tubularSegments=d||8;this.p=e||2;this.q=f||3;this.heightScale=g||1;this.grid=Array(this.radialSegments);c=new THREE.Vector3;d=new THREE.Vector3;e=new THREE.Vector3;for(a=0;a<this.radialSegments;++a)for(this.grid[a]=
-Array(this.tubularSegments),b=0;b<this.tubularSegments;++b){var l=a/this.radialSegments*2*this.p*Math.PI;g=b/this.tubularSegments*2*Math.PI;f=h(l,g,this.q,this.p,this.radius,this.heightScale);l=h(l+0.01,g,this.q,this.p,this.radius,this.heightScale);c.sub(l,f);d.add(l,f);e.cross(c,d);d.cross(e,c);e.normalize();d.normalize();l=-this.tube*Math.cos(g);g=this.tube*Math.sin(g);f.x+=l*d.x+g*e.x;f.y+=l*d.y+g*e.y;f.z+=l*d.z+g*e.z;this.grid[a][b]=this.vertices.push(new THREE.Vector3(f.x,f.y,f.z))-1}for(a=0;a<
-this.radialSegments;++a)for(b=0;b<this.tubularSegments;++b){e=(a+1)%this.radialSegments;f=(b+1)%this.tubularSegments;c=this.grid[a][b];d=this.grid[e][b];e=this.grid[e][f];f=this.grid[a][f];g=new THREE.UV(a/this.radialSegments,b/this.tubularSegments);var l=new THREE.UV((a+1)/this.radialSegments,b/this.tubularSegments),k=new THREE.UV((a+1)/this.radialSegments,(b+1)/this.tubularSegments),q=new THREE.UV(a/this.radialSegments,(b+1)/this.tubularSegments);this.faces.push(new THREE.Face4(c,d,e,f));this.faceVertexUvs[0].push([g,
-l,k,q])}this.computeCentroids();this.computeFaceNormals();this.computeVertexNormals()};THREE.TorusKnotGeometry.prototype=Object.create(THREE.Geometry.prototype);
-THREE.TubeGeometry=function(a,b,c,d,e,f){THREE.Geometry.call(this);this.path=a;this.segments=b||64;this.radius=c||1;this.radiusSegments=d||8;this.closed=e||!1;f&&(this.debug=new THREE.Object3D);this.grid=[];var g,h;f=this.segments+1;var l,k,q,s=new THREE.Vector3,t,v,u;b=new THREE.TubeGeometry.FrenetFrames(a,b,e);t=b.tangents;v=b.normals;u=b.binormals;this.tangents=t;this.normals=v;this.binormals=u;for(b=0;b<f;b++)for(this.grid[b]=[],d=b/(f-1),q=a.getPointAt(d),d=t[b],g=v[b],h=u[b],this.debug&&(this.debug.add(new THREE.ArrowHelper(d,
-q,c,255)),this.debug.add(new THREE.ArrowHelper(g,q,c,16711680)),this.debug.add(new THREE.ArrowHelper(h,q,c,65280))),d=0;d<this.radiusSegments;d++)l=d/this.radiusSegments*2*Math.PI,k=-this.radius*Math.cos(l),l=this.radius*Math.sin(l),s.copy(q),s.x+=k*g.x+l*h.x,s.y+=k*g.y+l*h.y,s.z+=k*g.z+l*h.z,this.grid[b][d]=this.vertices.push(new THREE.Vector3(s.x,s.y,s.z))-1;for(b=0;b<this.segments;b++)for(d=0;d<this.radiusSegments;d++)f=e?(b+1)%this.segments:b+1,s=(d+1)%this.radiusSegments,a=this.grid[b][d],c=
-this.grid[f][d],f=this.grid[f][s],s=this.grid[b][s],t=new THREE.UV(b/this.segments,d/this.radiusSegments),v=new THREE.UV((b+1)/this.segments,d/this.radiusSegments),u=new THREE.UV((b+1)/this.segments,(d+1)/this.radiusSegments),g=new THREE.UV(b/this.segments,(d+1)/this.radiusSegments),this.faces.push(new THREE.Face4(a,c,f,s)),this.faceVertexUvs[0].push([t,v,u,g]);this.computeCentroids();this.computeFaceNormals();this.computeVertexNormals()};THREE.TubeGeometry.prototype=Object.create(THREE.Geometry.prototype);
-THREE.TubeGeometry.FrenetFrames=function(a,b,c){new THREE.Vector3;var d=new THREE.Vector3;new THREE.Vector3;var e=[],f=[],g=[],h=new THREE.Vector3,l=new THREE.Matrix4;b+=1;var k,q,s;this.tangents=e;this.normals=f;this.binormals=g;for(k=0;k<b;k++)q=k/(b-1),e[k]=a.getTangentAt(q),e[k].normalize();f[0]=new THREE.Vector3;g[0]=new THREE.Vector3;a=Number.MAX_VALUE;k=Math.abs(e[0].x);q=Math.abs(e[0].y);s=Math.abs(e[0].z);k<=a&&(a=k,d.set(1,0,0));q<=a&&(a=q,d.set(0,1,0));s<=a&&d.set(0,0,1);h.cross(e[0],d).normalize();
-f[0].cross(e[0],h);g[0].cross(e[0],f[0]);for(k=1;k<b;k++)f[k]=f[k-1].clone(),g[k]=g[k-1].clone(),h.cross(e[k-1],e[k]),1E-4<h.length()&&(h.normalize(),d=Math.acos(e[k-1].dot(e[k])),l.makeRotationAxis(h,d).multiplyVector3(f[k])),g[k].cross(e[k],f[k]);if(c)for(d=Math.acos(f[0].dot(f[b-1])),d/=b-1,0<e[0].dot(h.cross(f[0],f[b-1]))&&(d=-d),k=1;k<b;k++)l.makeRotationAxis(e[k],d*k).multiplyVector3(f[k]),g[k].cross(e[k],f[k])};
-THREE.PolyhedronGeometry=function(a,b,c,d){function e(a){var b=a.normalize().clone();b.index=l.vertices.push(b)-1;var c=Math.atan2(a.z,-a.x)/2/Math.PI+0.5;a=Math.atan2(-a.y,Math.sqrt(a.x*a.x+a.z*a.z))/Math.PI+0.5;b.uv=new THREE.UV(c,1-a);return b}function f(a,b,c,d){1>d?(d=new THREE.Face3(a.index,b.index,c.index,[a.clone(),b.clone(),c.clone()]),d.centroid.addSelf(a).addSelf(b).addSelf(c).divideScalar(3),d.normal=d.centroid.clone().normalize(),l.faces.push(d),d=d.centroid,d=Math.atan2(d.z,-d.x),l.faceVertexUvs[0].push([h(a.uv,
-a,d),h(b.uv,b,d),h(c.uv,c,d)])):(d-=1,f(a,g(a,b),g(a,c),d),f(g(a,b),b,g(b,c),d),f(g(a,c),g(b,c),c,d),f(g(a,b),g(b,c),g(a,c),d))}function g(a,b){s[a.index]||(s[a.index]=[]);s[b.index]||(s[b.index]=[]);var c=s[a.index][b.index];void 0===c&&(s[a.index][b.index]=s[b.index][a.index]=c=e((new THREE.Vector3).add(a,b).divideScalar(2)));return c}function h(a,b,c){0>c&&1===a.u&&(a=new THREE.UV(a.u-1,a.v));0===b.x&&0===b.z&&(a=new THREE.UV(c/2/Math.PI+0.5,a.v));return a}THREE.Geometry.call(this);c=c||1;d=d||
-0;for(var l=this,k=0,q=a.length;k<q;k++)e(new THREE.Vector3(a[k][0],a[k][1],a[k][2]));var s=[];a=this.vertices;k=0;for(q=b.length;k<q;k++)f(a[b[k][0]],a[b[k][1]],a[b[k][2]],d);this.mergeVertices();k=0;for(q=this.vertices.length;k<q;k++)this.vertices[k].multiplyScalar(c);this.computeCentroids();this.boundingSphere={radius:c}};THREE.PolyhedronGeometry.prototype=Object.create(THREE.Geometry.prototype);
-THREE.IcosahedronGeometry=function(a,b){var c=(1+Math.sqrt(5))/2;THREE.PolyhedronGeometry.call(this,[[-1,c,0],[1,c,0],[-1,-c,0],[1,-c,0],[0,-1,c],[0,1,c],[0,-1,-c],[0,1,-c],[c,0,-1],[c,0,1],[-c,0,-1],[-c,0,1]],[[0,11,5],[0,5,1],[0,1,7],[0,7,10],[0,10,11],[1,5,9],[5,11,4],[11,10,2],[10,7,6],[7,1,8],[3,9,4],[3,4,2],[3,2,6],[3,6,8],[3,8,9],[4,9,5],[2,4,11],[6,2,10],[8,6,7],[9,8,1]],a,b)};THREE.IcosahedronGeometry.prototype=Object.create(THREE.Geometry.prototype);
-THREE.OctahedronGeometry=function(a,b){THREE.PolyhedronGeometry.call(this,[[1,0,0],[-1,0,0],[0,1,0],[0,-1,0],[0,0,1],[0,0,-1]],[[0,2,4],[0,4,3],[0,3,5],[0,5,2],[1,2,5],[1,5,3],[1,3,4],[1,4,2]],a,b)};THREE.OctahedronGeometry.prototype=Object.create(THREE.Geometry.prototype);THREE.TetrahedronGeometry=function(a,b){THREE.PolyhedronGeometry.call(this,[[1,1,1],[-1,-1,1],[-1,1,-1],[1,-1,-1]],[[2,1,0],[0,3,2],[1,3,0],[2,3,1]],a,b)};THREE.TetrahedronGeometry.prototype=Object.create(THREE.Geometry.prototype);
-THREE.ParametricGeometry=function(a,b,c,d){THREE.Geometry.call(this);var e=this.vertices,f=this.faces,g=this.faceVertexUvs[0];d=void 0===d?!1:d;var h,l,k,q,s=b+1;for(h=0;h<=c;h++)for(q=h/c,l=0;l<=b;l++)k=l/b,k=a(k,q),e.push(k);var t,v,u,w;for(h=0;h<c;h++)for(l=0;l<b;l++)a=h*s+l,e=h*s+l+1,q=(h+1)*s+l,k=(h+1)*s+l+1,t=new THREE.UV(l/b,h/c),v=new THREE.UV((l+1)/b,h/c),u=new THREE.UV(l/b,(h+1)/c),w=new THREE.UV((l+1)/b,(h+1)/c),d?(f.push(new THREE.Face3(a,e,q)),f.push(new THREE.Face3(e,k,q)),g.push([t,
-v,u]),g.push([v,w,u])):(f.push(new THREE.Face4(a,e,k,q)),g.push([t,v,w,u]));this.computeCentroids();this.computeFaceNormals();this.computeVertexNormals()};THREE.ParametricGeometry.prototype=Object.create(THREE.Geometry.prototype);
-THREE.ConvexGeometry=function(a){function b(b){var c=a[b].clone(),e=c.length();c.x+=2E-6*e*(Math.random()-0.5);c.y+=2E-6*e*(Math.random()-0.5);c.z+=2E-6*e*(Math.random()-0.5);for(var e=[],f=0;f<d.length;){var g=d[f],h=c,l=a[g[0]],x;x=l;var y=a[g[1]],A=a[g[2]],C=new THREE.Vector3,B=new THREE.Vector3;C.sub(A,y);B.sub(x,y);C.crossSelf(B);C.normalize();x=C;l=x.dot(l);if(x.dot(h)>=l){for(h=0;3>h;h++){l=[g[h],g[(h+1)%3]];x=!0;for(y=0;y<e.length;y++)if(A=e[y],A[0]===l[1]&&A[1]===l[0]){e[y]=e[e.length-1];
-e.pop();x=!1;break}x&&e.push(l)}d[f]=d[d.length-1];d.pop()}else f++}for(y=0;y<e.length;y++)d.push([e[y][0],e[y][1],b])}function c(a){var b=a.length();return new THREE.UV(a.x/b,a.y/b)}THREE.Geometry.call(this);for(var d=[[0,1,2],[0,2,1]],e=3;e<a.length;e++)b(e);for(var f=0,g=Array(a.length),e=0;e<d.length;e++)for(var h=d[e],l=0;3>l;l++)void 0===g[h[l]]&&(g[h[l]]=f++,this.vertices.push(a[h[l]])),h[l]=g[h[l]];for(e=0;e<d.length;e++)this.faces.push(new THREE.Face3(d[e][0],d[e][1],d[e][2]));for(e=0;e<
-this.faces.length;e++)h=this.faces[e],this.faceVertexUvs[0].push([c(this.vertices[h.a]),c(this.vertices[h.b]),c(this.vertices[h.c])]);this.computeCentroids();this.computeFaceNormals();this.computeVertexNormals()};THREE.ConvexGeometry.prototype=Object.create(THREE.Geometry.prototype);
-THREE.AxisHelper=function(a){var b=new THREE.Geometry;b.vertices.push(new THREE.Vector3,new THREE.Vector3(a||1,0,0),new THREE.Vector3,new THREE.Vector3(0,a||1,0),new THREE.Vector3,new THREE.Vector3(0,0,a||1));b.colors.push(new THREE.Color(16711680),new THREE.Color(16755200),new THREE.Color(65280),new THREE.Color(11206400),new THREE.Color(255),new THREE.Color(43775));a=new THREE.LineBasicMaterial({vertexColors:THREE.VertexColors});THREE.Line.call(this,b,a,THREE.LinePieces)};
-THREE.AxisHelper.prototype=Object.create(THREE.Line.prototype);
-THREE.ArrowHelper=function(a,b,c,d){THREE.Object3D.call(this);void 0===d&&(d=16776960);void 0===c&&(c=20);var e=new THREE.Geometry;e.vertices.push(new THREE.Vector3(0,0,0));e.vertices.push(new THREE.Vector3(0,1,0));this.line=new THREE.Line(e,new THREE.LineBasicMaterial({color:d}));this.add(this.line);e=new THREE.CylinderGeometry(0,0.05,0.25,5,1);this.cone=new THREE.Mesh(e,new THREE.MeshBasicMaterial({color:d}));this.cone.position.set(0,1,0);this.add(this.cone);b instanceof THREE.Vector3&&(this.position=
-b);this.setDirection(a);this.setLength(c)};THREE.ArrowHelper.prototype=Object.create(THREE.Object3D.prototype);THREE.ArrowHelper.prototype.setDirection=function(a){var b=(new THREE.Vector3(0,1,0)).crossSelf(a);a=Math.acos((new THREE.Vector3(0,1,0)).dot(a.clone().normalize()));this.matrix=(new THREE.Matrix4).makeRotationAxis(b.normalize(),a);this.rotation.setEulerFromRotationMatrix(this.matrix,this.eulerOrder)};THREE.ArrowHelper.prototype.setLength=function(a){this.scale.set(a,a,a)};
-THREE.ArrowHelper.prototype.setColor=function(a){this.line.material.color.setHex(a);this.cone.material.color.setHex(a)};
-THREE.CameraHelper=function(a){function b(a,b,d){c(a,d);c(b,d)}function c(a,b){d.geometry.vertices.push(new THREE.Vector3);d.geometry.colors.push(new THREE.Color(b));void 0===d.pointMap[a]&&(d.pointMap[a]=[]);d.pointMap[a].push(d.geometry.vertices.length-1)}THREE.Line.call(this);var d=this;this.geometry=new THREE.Geometry;this.material=new THREE.LineBasicMaterial({color:16777215,vertexColors:THREE.FaceColors});this.type=THREE.LinePieces;this.matrixWorld=a.matrixWorld;this.matrixAutoUpdate=!1;this.pointMap=
-{};b("n1","n2",16755200);b("n2","n4",16755200);b("n4","n3",16755200);b("n3","n1",16755200);b("f1","f2",16755200);b("f2","f4",16755200);b("f4","f3",16755200);b("f3","f1",16755200);b("n1","f1",16755200);b("n2","f2",16755200);b("n3","f3",16755200);b("n4","f4",16755200);b("p","n1",16711680);b("p","n2",16711680);b("p","n3",16711680);b("p","n4",16711680);b("u1","u2",43775);b("u2","u3",43775);b("u3","u1",43775);b("c","t",16777215);b("p","c",3355443);b("cn1","cn2",3355443);b("cn3","cn4",3355443);b("cf1",
-"cf2",3355443);b("cf3","cf4",3355443);this.camera=a;this.update(a)};THREE.CameraHelper.prototype=Object.create(THREE.Line.prototype);
-THREE.CameraHelper.prototype.update=function(){function a(a,d,e,f){THREE.CameraHelper.__v.set(d,e,f);THREE.CameraHelper.__projector.unprojectVector(THREE.CameraHelper.__v,THREE.CameraHelper.__c);a=b.pointMap[a];if(void 0!==a)for(d=0,e=a.length;d<e;d++)b.geometry.vertices[a[d]].copy(THREE.CameraHelper.__v)}var b=this;THREE.CameraHelper.__c.projectionMatrix.copy(this.camera.projectionMatrix);a("c",0,0,-1);a("t",0,0,1);a("n1",-1,-1,-1);a("n2",1,-1,-1);a("n3",-1,1,-1);a("n4",1,1,-1);a("f1",-1,-1,1);a("f2",
-1,-1,1);a("f3",-1,1,1);a("f4",1,1,1);a("u1",0.7,1.1,-1);a("u2",-0.7,1.1,-1);a("u3",0,2,-1);a("cf1",-1,0,1);a("cf2",1,0,1);a("cf3",0,-1,1);a("cf4",0,1,1);a("cn1",-1,0,-1);a("cn2",1,0,-1);a("cn3",0,-1,-1);a("cn4",0,1,-1);this.geometry.verticesNeedUpdate=!0};THREE.CameraHelper.__projector=new THREE.Projector;THREE.CameraHelper.__v=new THREE.Vector3;THREE.CameraHelper.__c=new THREE.Camera;
-THREE.DirectionalLightHelper=function(a,b,c){THREE.Object3D.call(this);this.light=a;this.position=a.position;this.direction=new THREE.Vector3;this.direction.sub(a.target.position,a.position);this.color=a.color.clone();var d=THREE.Math.clamp(a.intensity,0,1);this.color.r*=d;this.color.g*=d;this.color.b*=d;var d=this.color.getHex(),e=new THREE.SphereGeometry(b,16,8),f=new THREE.AsteriskGeometry(1.25*b,2.25*b),g=new THREE.MeshBasicMaterial({color:d,fog:!1}),h=new THREE.LineBasicMaterial({color:d,fog:!1});
-this.lightArrow=new THREE.ArrowHelper(this.direction,null,c,d);this.lightSphere=new THREE.Mesh(e,g);this.lightArrow.cone.material.fog=!1;this.lightArrow.line.material.fog=!1;this.lightRays=new THREE.Line(f,h,THREE.LinePieces);this.add(this.lightArrow);this.add(this.lightSphere);this.add(this.lightRays);this.lightSphere.properties.isGizmo=!0;this.lightSphere.properties.gizmoSubject=a;this.lightSphere.properties.gizmoRoot=this;this.targetSphere=null;a.target.properties.targetInverse&&(b=new THREE.SphereGeometry(b,
-8,4),c=new THREE.MeshBasicMaterial({color:d,wireframe:!0,fog:!1}),this.targetSphere=new THREE.Mesh(b,c),this.targetSphere.position=a.target.position,this.targetSphere.properties.isGizmo=!0,this.targetSphere.properties.gizmoSubject=a.target,this.targetSphere.properties.gizmoRoot=this.targetSphere,a=new THREE.LineDashedMaterial({color:d,dashSize:4,gapSize:4,opacity:0.75,transparent:!0,fog:!1}),d=new THREE.Geometry,d.vertices.push(this.position.clone()),d.vertices.push(this.targetSphere.position.clone()),
-d.computeLineDistances(),this.targetLine=new THREE.Line(d,a),this.targetLine.properties.isGizmo=!0);this.properties.isGizmo=!0};THREE.DirectionalLightHelper.prototype=Object.create(THREE.Object3D.prototype);
-THREE.DirectionalLightHelper.prototype.update=function(){this.direction.sub(this.light.target.position,this.light.position);this.lightArrow.setDirection(this.direction);this.color.copy(this.light.color);var a=THREE.Math.clamp(this.light.intensity,0,1);this.color.r*=a;this.color.g*=a;this.color.b*=a;this.lightArrow.setColor(this.color.getHex());this.lightSphere.material.color.copy(this.color);this.lightRays.material.color.copy(this.color);this.targetSphere.material.color.copy(this.color);this.targetLine.material.color.copy(this.color);
-this.targetLine.geometry.vertices[0].copy(this.light.position);this.targetLine.geometry.vertices[1].copy(this.light.target.position);this.targetLine.geometry.computeLineDistances();this.targetLine.geometry.verticesNeedUpdate=!0};
-THREE.HemisphereLightHelper=function(a,b,c,d){THREE.Object3D.call(this);this.light=a;this.position=a.position;var e=THREE.Math.clamp(a.intensity,0,1);this.color=a.color.clone();this.color.r*=e;this.color.g*=e;this.color.b*=e;d=this.color.getHex();this.groundColor=a.groundColor.clone();this.groundColor.r*=e;this.groundColor.g*=e;this.groundColor.b*=e;for(var e=this.groundColor.getHex(),f=new THREE.SphereGeometry(b,16,8,0,2*Math.PI,0,0.5*Math.PI),g=new THREE.SphereGeometry(b,16,8,0,2*Math.PI,0.5*Math.PI,
-Math.PI),h=new THREE.MeshBasicMaterial({color:d,fog:!1}),l=new THREE.MeshBasicMaterial({color:e,fog:!1}),k=0,q=f.faces.length;k<q;k++)f.faces[k].materialIndex=0;k=0;for(q=g.faces.length;k<q;k++)g.faces[k].materialIndex=1;THREE.GeometryUtils.merge(f,g);this.lightSphere=new THREE.Mesh(f,new THREE.MeshFaceMaterial([h,l]));this.lightArrow=new THREE.ArrowHelper(new THREE.Vector3(0,1,0),new THREE.Vector3(0,1.1*(b+c),0),c,d);this.lightArrow.rotation.x=Math.PI;this.lightArrowGround=new THREE.ArrowHelper(new THREE.Vector3(0,
-1,0),new THREE.Vector3(0,-1.1*(b+c),0),c,e);b=new THREE.Object3D;b.rotation.x=0.5*-Math.PI;b.add(this.lightSphere);b.add(this.lightArrow);b.add(this.lightArrowGround);this.add(b);this.lightSphere.properties.isGizmo=!0;this.lightSphere.properties.gizmoSubject=a;this.lightSphere.properties.gizmoRoot=this;this.properties.isGizmo=!0;this.target=new THREE.Vector3;this.lookAt(this.target)};THREE.HemisphereLightHelper.prototype=Object.create(THREE.Object3D.prototype);
-THREE.HemisphereLightHelper.prototype.update=function(){var a=THREE.Math.clamp(this.light.intensity,0,1);this.color.copy(this.light.color);this.groundColor.copy(this.light.groundColor);this.color.r*=a;this.color.g*=a;this.color.b*=a;this.groundColor.r*=a;this.groundColor.g*=a;this.groundColor.b*=a;this.lightSphere.material.materials[0].color.copy(this.color);this.lightSphere.material.materials[1].color.copy(this.groundColor);this.lightArrow.setColor(this.color.getHex());this.lightArrowGround.setColor(this.groundColor.getHex());
-this.lookAt(this.target)};
-THREE.PointLightHelper=function(a,b){THREE.Object3D.call(this);this.light=a;this.position=a.position;this.color=a.color.clone();var c=THREE.Math.clamp(a.intensity,0,1);this.color.r*=c;this.color.g*=c;this.color.b*=c;var d=this.color.getHex(),c=new THREE.SphereGeometry(b,16,8),e=new THREE.AsteriskGeometry(1.25*b,2.25*b),f=new THREE.IcosahedronGeometry(1,2),g=new THREE.MeshBasicMaterial({color:d,fog:!1}),h=new THREE.LineBasicMaterial({color:d,fog:!1}),d=new THREE.MeshBasicMaterial({color:d,fog:!1,wireframe:!0,
-opacity:0.1,transparent:!0});this.lightSphere=new THREE.Mesh(c,g);this.lightRays=new THREE.Line(e,h,THREE.LinePieces);this.lightDistance=new THREE.Mesh(f,d);c=a.distance;0===c?this.lightDistance.visible=!1:this.lightDistance.scale.set(c,c,c);this.add(this.lightSphere);this.add(this.lightRays);this.add(this.lightDistance);this.lightSphere.properties.isGizmo=!0;this.lightSphere.properties.gizmoSubject=a;this.lightSphere.properties.gizmoRoot=this;this.properties.isGizmo=!0};
-THREE.PointLightHelper.prototype=Object.create(THREE.Object3D.prototype);
-THREE.PointLightHelper.prototype.update=function(){this.color.copy(this.light.color);var a=THREE.Math.clamp(this.light.intensity,0,1);this.color.r*=a;this.color.g*=a;this.color.b*=a;this.lightSphere.material.color.copy(this.color);this.lightRays.material.color.copy(this.color);this.lightDistance.material.color.copy(this.color);a=this.light.distance;0===a?this.lightDistance.visible=!1:(this.lightDistance.visible=!0,this.lightDistance.scale.set(a,a,a))};
-THREE.SpotLightHelper=function(a,b,c){THREE.Object3D.call(this);this.light=a;this.position=a.position;this.direction=new THREE.Vector3;this.direction.sub(a.target.position,a.position);this.color=a.color.clone();var d=THREE.Math.clamp(a.intensity,0,1);this.color.r*=d;this.color.g*=d;this.color.b*=d;var d=this.color.getHex(),e=new THREE.SphereGeometry(b,16,8),f=new THREE.AsteriskGeometry(1.25*b,2.25*b),g=new THREE.CylinderGeometry(1E-4,1,1,8,1,!0),h=new THREE.Matrix4;h.rotateX(-Math.PI/2);h.translate(new THREE.Vector3(0,
--0.5,0));g.applyMatrix(h);var l=new THREE.MeshBasicMaterial({color:d,fog:!1}),h=new THREE.LineBasicMaterial({color:d,fog:!1}),k=new THREE.MeshBasicMaterial({color:d,fog:!1,wireframe:!0,opacity:0.3,transparent:!0});this.lightArrow=new THREE.ArrowHelper(this.direction,null,c,d);this.lightSphere=new THREE.Mesh(e,l);this.lightCone=new THREE.Mesh(g,k);c=a.distance?a.distance:1E4;e=c*Math.tan(0.5*a.angle)*2;this.lightCone.scale.set(e,e,c);this.lightArrow.cone.material.fog=!1;this.lightArrow.line.material.fog=
-!1;this.lightRays=new THREE.Line(f,h,THREE.LinePieces);this.gyroscope=new THREE.Gyroscope;this.gyroscope.add(this.lightArrow);this.gyroscope.add(this.lightSphere);this.gyroscope.add(this.lightRays);this.add(this.gyroscope);this.add(this.lightCone);this.lookAt(a.target.position);this.lightSphere.properties.isGizmo=!0;this.lightSphere.properties.gizmoSubject=a;this.lightSphere.properties.gizmoRoot=this;this.targetSphere=null;a.target.properties.targetInverse&&(b=new THREE.SphereGeometry(b,8,4),f=new THREE.MeshBasicMaterial({color:d,
-wireframe:!0,fog:!1}),this.targetSphere=new THREE.Mesh(b,f),this.targetSphere.position=a.target.position,this.targetSphere.properties.isGizmo=!0,this.targetSphere.properties.gizmoSubject=a.target,this.targetSphere.properties.gizmoRoot=this.targetSphere,a=new THREE.LineDashedMaterial({color:d,dashSize:4,gapSize:4,opacity:0.75,transparent:!0,fog:!1}),d=new THREE.Geometry,d.vertices.push(this.position.clone()),d.vertices.push(this.targetSphere.position.clone()),d.computeLineDistances(),this.targetLine=
-new THREE.Line(d,a),this.targetLine.properties.isGizmo=!0);this.properties.isGizmo=!0};THREE.SpotLightHelper.prototype=Object.create(THREE.Object3D.prototype);
-THREE.SpotLightHelper.prototype.update=function(){this.direction.sub(this.light.target.position,this.light.position);this.lightArrow.setDirection(this.direction);this.lookAt(this.light.target.position);var a=this.light.distance?this.light.distance:1E4,b=a*Math.tan(0.5*this.light.angle)*2;this.lightCone.scale.set(b,b,a);this.color.copy(this.light.color);a=THREE.Math.clamp(this.light.intensity,0,1);this.color.r*=a;this.color.g*=a;this.color.b*=a;this.lightArrow.setColor(this.color.getHex());this.lightSphere.material.color.copy(this.color);
-this.lightRays.material.color.copy(this.color);this.lightCone.material.color.copy(this.color);this.targetSphere.material.color.copy(this.color);this.targetLine.material.color.copy(this.color);this.targetLine.geometry.vertices[0].copy(this.light.position);this.targetLine.geometry.vertices[1].copy(this.light.target.position);this.targetLine.geometry.computeLineDistances();this.targetLine.geometry.verticesNeedUpdate=!0};
-THREE.SubdivisionModifier=function(a){this.subdivisions=void 0===a?1:a;this.useOldVertexColors=!1;this.supportUVs=!0;this.debug=!1};THREE.SubdivisionModifier.prototype.modify=function(a){for(var b=this.subdivisions;0<b--;)this.smooth(a)};THREE.GeometryUtils.orderedKey=function(a,b){return Math.min(a,b)+"_"+Math.max(a,b)};
-THREE.GeometryUtils.computeEdgeFaces=function(a){function b(a,b){void 0===g[a]&&(g[a]=[]);g[a].push(b)}var c,d,e,f,g={},h=THREE.GeometryUtils.orderedKey;c=0;for(d=a.faces.length;c<d;c++)e=a.faces[c],e instanceof THREE.Face3?(f=h(e.a,e.b),b(f,c),f=h(e.b,e.c),b(f,c),f=h(e.c,e.a),b(f,c)):e instanceof THREE.Face4&&(f=h(e.a,e.b),b(f,c),f=h(e.b,e.c),b(f,c),f=h(e.c,e.d),b(f,c),f=h(e.d,e.a),b(f,c));return g};
-THREE.SubdivisionModifier.prototype.smooth=function(a){function b(){t.debug&&console&&console.assert&&console.assert.apply(console,arguments)}function c(){t.debug&&console.log.apply(console,arguments)}function d(){console&&console.log.apply(console,arguments)}function e(a,b,d,e,g,h,k){var l=new THREE.Face4(a,b,d,e,null,g.color,g.materialIndex);if(t.useOldVertexColors){l.vertexColors=[];for(var m,u,v,w=0;4>w;w++){v=h[w];m=new THREE.Color;m.setRGB(0,0,0);for(var x=0;x<v.length;x++)u=g.vertexColors[v[x]-
-1],m.r+=u.r,m.g+=u.g,m.b+=u.b;m.r/=v.length;m.g/=v.length;m.b/=v.length;l.vertexColors[w]=m}}q.push(l);t.supportUVs&&(g=[f(a,""),f(b,k),f(d,k),f(e,k)],g[0]?g[1]?g[2]?g[3]?s.push(g):c("d :( ",e+":"+k):c("c :( ",d+":"+k):c("b :( ",b+":"+k):c("a :( ",a+":"+k))}function f(a,b){var e=a+":"+b,f=z[e];return f?f:(a>=y&&a<y+x.length?c("face pt"):c("edge pt"),d("warning, UV not found for",e),null)}function g(a,b,c){var e=a+":"+b;e in z?d("dup vertexNo",a,"oldFaceNo",b,"value",c,"key",e,z[e]):z[e]=c}function h(a,
-b){void 0===m[a]&&(m[a]=[]);m[a].push(b)}function l(a,b,c){void 0===O[a]&&(O[a]={});O[a][b]=c}var k=[],q=[],s=[],t=this,v=THREE.GeometryUtils.orderedKey,u=THREE.GeometryUtils.computeEdgeFaces,w=a.vertices,x=a.faces,y=w.length,k=w.concat(),A=[],C={},B={},z={},D,I,J,F,K,L=a.faceVertexUvs[0],H;c("originalFaces, uvs, originalVerticesLength",x.length,L.length,y);if(t.supportUVs)for(D=0,I=L.length;D<I;D++)for(J=0,F=L[D].length;J<F;J++)H=x[D]["abcd".charAt(J)],g(H,D,L[D][J]);0==L.length&&(t.supportUVs=!1);
-D=0;for(K in z)D++;D||(t.supportUVs=!1,c("no uvs"));D=0;for(I=x.length;D<I;D++)K=x[D],A.push(K.centroid),k.push(K.centroid),t.supportUVs&&(F=new THREE.UV,K instanceof THREE.Face3?(F.u=f(K.a,D).u+f(K.b,D).u+f(K.c,D).u,F.v=f(K.a,D).v+f(K.b,D).v+f(K.c,D).v,F.u/=3,F.v/=3):K instanceof THREE.Face4&&(F.u=f(K.a,D).u+f(K.b,D).u+f(K.c,D).u+f(K.d,D).u,F.v=f(K.a,D).v+f(K.b,D).v+f(K.c,D).v+f(K.d,D).v,F.u/=4,F.v/=4),g(y+D,"",F));var u=u(a),T;I=0;var R,m={},O={};for(D in u){L=u[D];F=D.split("_");H=F[0];R=F[1];
-h(H,[H,R]);h(R,[H,R]);J=0;for(F=L.length;J<F;J++)K=L[J],l(H,K,D),l(R,K,D);2>L.length&&(B[D]=!0)}for(D in u)L=u[D],K=L[0],T=L[1],F=D.split("_"),H=F[0],R=F[1],F=new THREE.Vector3,b(0<L.length,"an edge without faces?!"),1==L.length?(F.addSelf(w[H]),F.addSelf(w[R]),F.multiplyScalar(0.5)):(F.addSelf(A[K]),F.addSelf(A[T]),F.addSelf(w[H]),F.addSelf(w[R]),F.multiplyScalar(0.25)),C[D]=y+x.length+I,k.push(F),I++,t.supportUVs&&(F=new THREE.UV,F.u=f(H,K).u+f(R,K).u,F.v=f(H,K).v+f(R,K).v,F.u/=2,F.v/=2,g(C[D],
-K,F),2<=L.length&&(b(2==L.length,"did we plan for more than 2 edges?"),F=new THREE.UV,F.u=f(H,T).u+f(R,T).u,F.v=f(H,T).v+f(R,T).v,F.u/=2,F.v/=2,g(C[D],T,F)));c("-- Step 2 done");var W,P;R=["123","12","2","23"];T=["123","23","3","31"];var ha=["123","31","1","12"],ca=["1234","12","2","23"],oa=["1234","23","3","34"],S=["1234","34","4","41"],Da=["1234","41","1","12"];D=0;for(I=A.length;D<I;D++)K=x[D],L=y+D,K instanceof THREE.Face3?(F=v(K.a,K.b),H=v(K.b,K.c),W=v(K.c,K.a),e(L,C[F],K.b,C[H],K,R,D),e(L,C[H],
-K.c,C[W],K,T,D),e(L,C[W],K.a,C[F],K,ha,D)):K instanceof THREE.Face4?(F=v(K.a,K.b),H=v(K.b,K.c),W=v(K.c,K.d),P=v(K.d,K.a),e(L,C[F],K.b,C[H],K,ca,D),e(L,C[H],K.c,C[W],K,oa,D),e(L,C[W],K.d,C[P],K,S,D),e(L,C[P],K.a,C[F],K,Da,D)):c("face should be a face!",K);C=new THREE.Vector3;K=new THREE.Vector3;D=0;for(I=w.length;D<I;D++)if(void 0!==m[D]){C.set(0,0,0);K.set(0,0,0);H=new THREE.Vector3(0,0,0);L=0;for(J in O[D])C.addSelf(A[J]),L++;T=0;F=m[D].length;R=L!=F;for(J=0;J<F;J++)B[v(m[D][J][0],m[D][J][1])]&&
-T++;C.divideScalar(L);T=0;if(R){for(J=0;J<F;J++)if(L=m[D][J],ha=1==u[v(L[0],L[1])].length)L=w[L[0]].clone().addSelf(w[L[1]]).divideScalar(2),K.addSelf(L),T++;K.divideScalar(4);b(2==T,"should have only 2 boundary edges")}else{for(J=0;J<F;J++)L=m[D][J],L=w[L[0]].clone().addSelf(w[L[1]]).divideScalar(2),K.addSelf(L);K.divideScalar(F)}H.addSelf(w[D]);R?(H.divideScalar(2),H.addSelf(K)):(H.multiplyScalar(F-3),H.addSelf(C),H.addSelf(K.multiplyScalar(2)),H.divideScalar(F));k[D]=H}a.vertices=k;a.faces=q;a.faceVertexUvs[0]=
-s;delete a.__tmpVertices;a.computeCentroids();a.computeFaceNormals();a.computeVertexNormals()};THREE.ImmediateRenderObject=function(){THREE.Object3D.call(this);this.render=function(a){}};THREE.ImmediateRenderObject.prototype=Object.create(THREE.Object3D.prototype);THREE.LensFlare=function(a,b,c,d,e){THREE.Object3D.call(this);this.lensFlares=[];this.positionScreen=new THREE.Vector3;this.customUpdateCallback=void 0;void 0!==a&&this.add(a,b,c,d,e)};THREE.LensFlare.prototype=Object.create(THREE.Object3D.prototype);
-THREE.LensFlare.prototype.add=function(a,b,c,d,e,f){void 0===b&&(b=-1);void 0===c&&(c=0);void 0===f&&(f=1);void 0===e&&(e=new THREE.Color(16777215));void 0===d&&(d=THREE.NormalBlending);c=Math.min(c,Math.max(0,c));this.lensFlares.push({texture:a,size:b,distance:c,x:0,y:0,z:0,scale:1,rotation:1,opacity:f,color:e,blending:d})};
-THREE.LensFlare.prototype.updateLensFlares=function(){var a,b=this.lensFlares.length,c,d=2*-this.positionScreen.x,e=2*-this.positionScreen.y;for(a=0;a<b;a++)c=this.lensFlares[a],c.x=this.positionScreen.x+d*c.distance,c.y=this.positionScreen.y+e*c.distance,c.wantedRotation=c.x*Math.PI*0.25,c.rotation+=0.25*(c.wantedRotation-c.rotation)};
-THREE.MorphBlendMesh=function(a,b){THREE.Mesh.call(this,a,b);this.animationsMap={};this.animationsList=[];var c=this.geometry.morphTargets.length;this.createAnimation("__default",0,c-1,c/1);this.setAnimationWeight("__default",1)};THREE.MorphBlendMesh.prototype=Object.create(THREE.Mesh.prototype);
-THREE.MorphBlendMesh.prototype.createAnimation=function(a,b,c,d){b={startFrame:b,endFrame:c,length:c-b+1,fps:d,duration:(c-b)/d,lastFrame:0,currentFrame:0,active:!1,time:0,direction:1,weight:1,directionBackwards:!1,mirroredLoop:!1};this.animationsMap[a]=b;this.animationsList.push(b)};
-THREE.MorphBlendMesh.prototype.autoCreateAnimations=function(a){for(var b=/([a-z]+)(\d+)/,c,d={},e=this.geometry,f=0,g=e.morphTargets.length;f<g;f++){var h=e.morphTargets[f].name.match(b);if(h&&1<h.length){var l=h[1];d[l]||(d[l]={start:Infinity,end:-Infinity});h=d[l];f<h.start&&(h.start=f);f>h.end&&(h.end=f);c||(c=l)}}for(l in d)h=d[l],this.createAnimation(l,h.start,h.end,a);this.firstAnimation=c};
-THREE.MorphBlendMesh.prototype.setAnimationDirectionForward=function(a){if(a=this.animationsMap[a])a.direction=1,a.directionBackwards=!1};THREE.MorphBlendMesh.prototype.setAnimationDirectionBackward=function(a){if(a=this.animationsMap[a])a.direction=-1,a.directionBackwards=!0};THREE.MorphBlendMesh.prototype.setAnimationFPS=function(a,b){var c=this.animationsMap[a];c&&(c.fps=b,c.duration=(c.end-c.start)/c.fps)};
-THREE.MorphBlendMesh.prototype.setAnimationDuration=function(a,b){var c=this.animationsMap[a];c&&(c.duration=b,c.fps=(c.end-c.start)/c.duration)};THREE.MorphBlendMesh.prototype.setAnimationWeight=function(a,b){var c=this.animationsMap[a];c&&(c.weight=b)};THREE.MorphBlendMesh.prototype.setAnimationTime=function(a,b){var c=this.animationsMap[a];c&&(c.time=b)};THREE.MorphBlendMesh.prototype.getAnimationTime=function(a){var b=0;if(a=this.animationsMap[a])b=a.time;return b};
-THREE.MorphBlendMesh.prototype.getAnimationDuration=function(a){var b=-1;if(a=this.animationsMap[a])b=a.duration;return b};THREE.MorphBlendMesh.prototype.playAnimation=function(a){var b=this.animationsMap[a];b?(b.time=0,b.active=!0):console.warn("animation["+a+"] undefined")};THREE.MorphBlendMesh.prototype.stopAnimation=function(a){if(a=this.animationsMap[a])a.active=!1};
-THREE.MorphBlendMesh.prototype.update=function(a){for(var b=0,c=this.animationsList.length;b<c;b++){var d=this.animationsList[b];if(d.active){var e=d.duration/d.length;d.time+=d.direction*a;if(d.mirroredLoop){if(d.time>d.duration||0>d.time)d.direction*=-1,d.time>d.duration&&(d.time=d.duration,d.directionBackwards=!0),0>d.time&&(d.time=0,d.directionBackwards=!1)}else d.time%=d.duration,0>d.time&&(d.time+=d.duration);var f=d.startFrame+THREE.Math.clamp(Math.floor(d.time/e),0,d.length-1),g=d.weight;
-f!==d.currentFrame&&(this.morphTargetInfluences[d.lastFrame]=0,this.morphTargetInfluences[d.currentFrame]=1*g,this.morphTargetInfluences[f]=0,d.lastFrame=d.currentFrame,d.currentFrame=f);e=d.time%e/e;d.directionBackwards&&(e=1-e);this.morphTargetInfluences[d.currentFrame]=e*g;this.morphTargetInfluences[d.lastFrame]=(1-e)*g}}};
-THREE.LensFlarePlugin=function(){function a(a){var c=b.createProgram(),d=b.createShader(b.FRAGMENT_SHADER),e=b.createShader(b.VERTEX_SHADER);b.shaderSource(d,a.fragmentShader);b.shaderSource(e,a.vertexShader);b.compileShader(d);b.compileShader(e);b.attachShader(c,d);b.attachShader(c,e);b.linkProgram(c);return c}var b,c,d,e,f,g,h,l,k,q,s,t,v;this.init=function(u){b=u.context;c=u;d=new Float32Array(16);e=new Uint16Array(6);u=0;d[u++]=-1;d[u++]=-1;d[u++]=0;d[u++]=0;d[u++]=1;d[u++]=-1;d[u++]=1;d[u++]=
-0;d[u++]=1;d[u++]=1;d[u++]=1;d[u++]=1;d[u++]=-1;d[u++]=1;d[u++]=0;d[u++]=1;u=0;e[u++]=0;e[u++]=1;e[u++]=2;e[u++]=0;e[u++]=2;e[u++]=3;f=b.createBuffer();g=b.createBuffer();b.bindBuffer(b.ARRAY_BUFFER,f);b.bufferData(b.ARRAY_BUFFER,d,b.STATIC_DRAW);b.bindBuffer(b.ELEMENT_ARRAY_BUFFER,g);b.bufferData(b.ELEMENT_ARRAY_BUFFER,e,b.STATIC_DRAW);h=b.createTexture();l=b.createTexture();b.bindTexture(b.TEXTURE_2D,h);b.texImage2D(b.TEXTURE_2D,0,b.RGB,16,16,0,b.RGB,b.UNSIGNED_BYTE,null);b.texParameteri(b.TEXTURE_2D,
-b.TEXTURE_WRAP_S,b.CLAMP_TO_EDGE);b.texParameteri(b.TEXTURE_2D,b.TEXTURE_WRAP_T,b.CLAMP_TO_EDGE);b.texParameteri(b.TEXTURE_2D,b.TEXTURE_MAG_FILTER,b.NEAREST);b.texParameteri(b.TEXTURE_2D,b.TEXTURE_MIN_FILTER,b.NEAREST);b.bindTexture(b.TEXTURE_2D,l);b.texImage2D(b.TEXTURE_2D,0,b.RGBA,16,16,0,b.RGBA,b.UNSIGNED_BYTE,null);b.texParameteri(b.TEXTURE_2D,b.TEXTURE_WRAP_S,b.CLAMP_TO_EDGE);b.texParameteri(b.TEXTURE_2D,b.TEXTURE_WRAP_T,b.CLAMP_TO_EDGE);b.texParameteri(b.TEXTURE_2D,b.TEXTURE_MAG_FILTER,b.NEAREST);
-b.texParameteri(b.TEXTURE_2D,b.TEXTURE_MIN_FILTER,b.NEAREST);0>=b.getParameter(b.MAX_VERTEX_TEXTURE_IMAGE_UNITS)?(k=!1,q=a(THREE.ShaderFlares.lensFlare)):(k=!0,q=a(THREE.ShaderFlares.lensFlareVertexTexture));s={};t={};s.vertex=b.getAttribLocation(q,"position");s.uv=b.getAttribLocation(q,"uv");t.renderType=b.getUniformLocation(q,"renderType");t.map=b.getUniformLocation(q,"map");t.occlusionMap=b.getUniformLocation(q,"occlusionMap");t.opacity=b.getUniformLocation(q,"opacity");t.color=b.getUniformLocation(q,
-"color");t.scale=b.getUniformLocation(q,"scale");t.rotation=b.getUniformLocation(q,"rotation");t.screenPosition=b.getUniformLocation(q,"screenPosition");v=!1};this.render=function(a,d,e,y){a=a.__webglFlares;var A=a.length;if(A){var C=new THREE.Vector3,B=y/e,z=0.5*e,D=0.5*y,I=16/y,J=new THREE.Vector2(I*B,I),F=new THREE.Vector3(1,1,0),K=new THREE.Vector2(1,1),L=t,I=s;b.useProgram(q);v||(b.enableVertexAttribArray(s.vertex),b.enableVertexAttribArray(s.uv),v=!0);b.uniform1i(L.occlusionMap,0);b.uniform1i(L.map,
-1);b.bindBuffer(b.ARRAY_BUFFER,f);b.vertexAttribPointer(I.vertex,2,b.FLOAT,!1,16,0);b.vertexAttribPointer(I.uv,2,b.FLOAT,!1,16,8);b.bindBuffer(b.ELEMENT_ARRAY_BUFFER,g);b.disable(b.CULL_FACE);b.depthMask(!1);var H,T,R,m,O;for(H=0;H<A;H++)if(I=16/y,J.set(I*B,I),m=a[H],C.set(m.matrixWorld.elements[12],m.matrixWorld.elements[13],m.matrixWorld.elements[14]),d.matrixWorldInverse.multiplyVector3(C),d.projectionMatrix.multiplyVector3(C),F.copy(C),K.x=F.x*z+z,K.y=F.y*D+D,k||0<K.x&&K.x<e&&0<K.y&&K.y<y)for(b.activeTexture(b.TEXTURE1),
-b.bindTexture(b.TEXTURE_2D,h),b.copyTexImage2D(b.TEXTURE_2D,0,b.RGB,K.x-8,K.y-8,16,16,0),b.uniform1i(L.renderType,0),b.uniform2f(L.scale,J.x,J.y),b.uniform3f(L.screenPosition,F.x,F.y,F.z),b.disable(b.BLEND),b.enable(b.DEPTH_TEST),b.drawElements(b.TRIANGLES,6,b.UNSIGNED_SHORT,0),b.activeTexture(b.TEXTURE0),b.bindTexture(b.TEXTURE_2D,l),b.copyTexImage2D(b.TEXTURE_2D,0,b.RGBA,K.x-8,K.y-8,16,16,0),b.uniform1i(L.renderType,1),b.disable(b.DEPTH_TEST),b.activeTexture(b.TEXTURE1),b.bindTexture(b.TEXTURE_2D,
-h),b.drawElements(b.TRIANGLES,6,b.UNSIGNED_SHORT,0),m.positionScreen.copy(F),m.customUpdateCallback?m.customUpdateCallback(m):m.updateLensFlares(),b.uniform1i(L.renderType,2),b.enable(b.BLEND),T=0,R=m.lensFlares.length;T<R;T++)O=m.lensFlares[T],0.001<O.opacity&&0.001<O.scale&&(F.x=O.x,F.y=O.y,F.z=O.z,I=O.size*O.scale/y,J.x=I*B,J.y=I,b.uniform3f(L.screenPosition,F.x,F.y,F.z),b.uniform2f(L.scale,J.x,J.y),b.uniform1f(L.rotation,O.rotation),b.uniform1f(L.opacity,O.opacity),b.uniform3f(L.color,O.color.r,
-O.color.g,O.color.b),c.setBlending(O.blending,O.blendEquation,O.blendSrc,O.blendDst),c.setTexture(O.texture,1),b.drawElements(b.TRIANGLES,6,b.UNSIGNED_SHORT,0));b.enable(b.CULL_FACE);b.enable(b.DEPTH_TEST);b.depthMask(!0)}}};
-THREE.ShadowMapPlugin=function(){var a,b,c,d,e,f,g=new THREE.Frustum,h=new THREE.Matrix4,l=new THREE.Vector3,k=new THREE.Vector3;this.init=function(g){a=g.context;b=g;g=THREE.ShaderLib.depthRGBA;var h=THREE.UniformsUtils.clone(g.uniforms);c=new THREE.ShaderMaterial({fragmentShader:g.fragmentShader,vertexShader:g.vertexShader,uniforms:h});d=new THREE.ShaderMaterial({fragmentShader:g.fragmentShader,vertexShader:g.vertexShader,uniforms:h,morphTargets:!0});e=new THREE.ShaderMaterial({fragmentShader:g.fragmentShader,
-vertexShader:g.vertexShader,uniforms:h,skinning:!0});f=new THREE.ShaderMaterial({fragmentShader:g.fragmentShader,vertexShader:g.vertexShader,uniforms:h,morphTargets:!0,skinning:!0});c._shadowPass=!0;d._shadowPass=!0;e._shadowPass=!0;f._shadowPass=!0};this.render=function(a,c){b.shadowMapEnabled&&b.shadowMapAutoUpdate&&this.update(a,c)};this.update=function(q,s){var t,v,u,w,x,y,A,C,B,z=[];w=0;a.clearColor(1,1,1,1);a.disable(a.BLEND);a.enable(a.CULL_FACE);a.frontFace(a.CCW);b.shadowMapCullFrontFaces?
-a.cullFace(a.FRONT):a.cullFace(a.BACK);b.setDepthTest(!0);t=0;for(v=q.__lights.length;t<v;t++)if(u=q.__lights[t],u.castShadow)if(u instanceof THREE.DirectionalLight&&u.shadowCascade)for(x=0;x<u.shadowCascadeCount;x++){var D;if(u.shadowCascadeArray[x])D=u.shadowCascadeArray[x];else{B=u;A=x;D=new THREE.DirectionalLight;D.isVirtual=!0;D.onlyShadow=!0;D.castShadow=!0;D.shadowCameraNear=B.shadowCameraNear;D.shadowCameraFar=B.shadowCameraFar;D.shadowCameraLeft=B.shadowCameraLeft;D.shadowCameraRight=B.shadowCameraRight;
-D.shadowCameraBottom=B.shadowCameraBottom;D.shadowCameraTop=B.shadowCameraTop;D.shadowCameraVisible=B.shadowCameraVisible;D.shadowDarkness=B.shadowDarkness;D.shadowBias=B.shadowCascadeBias[A];D.shadowMapWidth=B.shadowCascadeWidth[A];D.shadowMapHeight=B.shadowCascadeHeight[A];D.pointsWorld=[];D.pointsFrustum=[];C=D.pointsWorld;y=D.pointsFrustum;for(var I=0;8>I;I++)C[I]=new THREE.Vector3,y[I]=new THREE.Vector3;C=B.shadowCascadeNearZ[A];B=B.shadowCascadeFarZ[A];y[0].set(-1,-1,C);y[1].set(1,-1,C);y[2].set(-1,
-1,C);y[3].set(1,1,C);y[4].set(-1,-1,B);y[5].set(1,-1,B);y[6].set(-1,1,B);y[7].set(1,1,B);D.originalCamera=s;y=new THREE.Gyroscope;y.position=u.shadowCascadeOffset;y.add(D);y.add(D.target);s.add(y);u.shadowCascadeArray[x]=D;console.log("Created virtualLight",D)}A=u;C=x;B=A.shadowCascadeArray[C];B.position.copy(A.position);B.target.position.copy(A.target.position);B.lookAt(B.target);B.shadowCameraVisible=A.shadowCameraVisible;B.shadowDarkness=A.shadowDarkness;B.shadowBias=A.shadowCascadeBias[C];y=A.shadowCascadeNearZ[C];
-A=A.shadowCascadeFarZ[C];B=B.pointsFrustum;B[0].z=y;B[1].z=y;B[2].z=y;B[3].z=y;B[4].z=A;B[5].z=A;B[6].z=A;B[7].z=A;z[w]=D;w++}else z[w]=u,w++;t=0;for(v=z.length;t<v;t++){u=z[t];u.shadowMap||(u.shadowMap=new THREE.WebGLRenderTarget(u.shadowMapWidth,u.shadowMapHeight,{minFilter:THREE.LinearFilter,magFilter:THREE.LinearFilter,format:THREE.RGBAFormat}),u.shadowMapSize=new THREE.Vector2(u.shadowMapWidth,u.shadowMapHeight),u.shadowMatrix=new THREE.Matrix4);if(!u.shadowCamera){if(u instanceof THREE.SpotLight)u.shadowCamera=
-new THREE.PerspectiveCamera(u.shadowCameraFov,u.shadowMapWidth/u.shadowMapHeight,u.shadowCameraNear,u.shadowCameraFar);else if(u instanceof THREE.DirectionalLight)u.shadowCamera=new THREE.OrthographicCamera(u.shadowCameraLeft,u.shadowCameraRight,u.shadowCameraTop,u.shadowCameraBottom,u.shadowCameraNear,u.shadowCameraFar);else{console.error("Unsupported light type for shadow");continue}q.add(u.shadowCamera);b.autoUpdateScene&&q.updateMatrixWorld()}u.shadowCameraVisible&&!u.cameraHelper&&(u.cameraHelper=
-new THREE.CameraHelper(u.shadowCamera),u.shadowCamera.add(u.cameraHelper));if(u.isVirtual&&D.originalCamera==s){x=s;w=u.shadowCamera;y=u.pointsFrustum;B=u.pointsWorld;l.set(Infinity,Infinity,Infinity);k.set(-Infinity,-Infinity,-Infinity);for(A=0;8>A;A++)C=B[A],C.copy(y[A]),THREE.ShadowMapPlugin.__projector.unprojectVector(C,x),w.matrixWorldInverse.multiplyVector3(C),C.x<l.x&&(l.x=C.x),C.x>k.x&&(k.x=C.x),C.y<l.y&&(l.y=C.y),C.y>k.y&&(k.y=C.y),C.z<l.z&&(l.z=C.z),C.z>k.z&&(k.z=C.z);w.left=l.x;w.right=
-k.x;w.top=k.y;w.bottom=l.y;w.updateProjectionMatrix()}w=u.shadowMap;y=u.shadowMatrix;x=u.shadowCamera;x.position.copy(u.matrixWorld.getPosition());x.lookAt(u.target.matrixWorld.getPosition());x.updateMatrixWorld();x.matrixWorldInverse.getInverse(x.matrixWorld);u.cameraHelper&&(u.cameraHelper.visible=u.shadowCameraVisible);u.shadowCameraVisible&&u.cameraHelper.update();y.set(0.5,0,0,0.5,0,0.5,0,0.5,0,0,0.5,0.5,0,0,0,1);y.multiplySelf(x.projectionMatrix);y.multiplySelf(x.matrixWorldInverse);x._viewMatrixArray||
-(x._viewMatrixArray=new Float32Array(16));x._projectionMatrixArray||(x._projectionMatrixArray=new Float32Array(16));x.matrixWorldInverse.flattenToArray(x._viewMatrixArray);x.projectionMatrix.flattenToArray(x._projectionMatrixArray);h.multiply(x.projectionMatrix,x.matrixWorldInverse);g.setFromMatrix(h);b.setRenderTarget(w);b.clear();B=q.__webglObjects;u=0;for(w=B.length;u<w;u++)A=B[u],y=A.object,A.render=!1,!y.visible||!y.castShadow||(y instanceof THREE.Mesh||y instanceof THREE.ParticleSystem)&&y.frustumCulled&&
-!g.contains(y)||(y._modelViewMatrix.multiply(x.matrixWorldInverse,y.matrixWorld),A.render=!0);u=0;for(w=B.length;u<w;u++)A=B[u],A.render&&(y=A.object,A=A.buffer,I=y.material instanceof THREE.MeshFaceMaterial?y.material.materials[0]:y.material,C=0<y.geometry.morphTargets.length&&I.morphTargets,I=y instanceof THREE.SkinnedMesh&&I.skinning,C=y.customDepthMaterial?y.customDepthMaterial:I?C?f:e:C?d:c,A instanceof THREE.BufferGeometry?b.renderBufferDirect(x,q.__lights,null,C,A,y):b.renderBuffer(x,q.__lights,
-null,C,A,y));B=q.__webglObjectsImmediate;u=0;for(w=B.length;u<w;u++)A=B[u],y=A.object,y.visible&&y.castShadow&&(y._modelViewMatrix.multiply(x.matrixWorldInverse,y.matrixWorld),b.renderImmediateObject(x,q.__lights,null,c,y))}t=b.getClearColor();v=b.getClearAlpha();a.clearColor(t.r,t.g,t.b,v);a.enable(a.BLEND);b.shadowMapCullFrontFaces&&a.cullFace(a.BACK)}};THREE.ShadowMapPlugin.__projector=new THREE.Projector;
-THREE.SpritePlugin=function(){function a(a,b){return a.z!==b.z?b.z-a.z:b.id-a.id}var b,c,d,e,f,g,h,l,k,q;this.init=function(a){b=a.context;c=a;d=new Float32Array(16);e=new Uint16Array(6);a=0;d[a++]=-1;d[a++]=-1;d[a++]=0;d[a++]=0;d[a++]=1;d[a++]=-1;d[a++]=1;d[a++]=0;d[a++]=1;d[a++]=1;d[a++]=1;d[a++]=1;d[a++]=-1;d[a++]=1;d[a++]=0;d[a++]=1;a=0;e[a++]=0;e[a++]=1;e[a++]=2;e[a++]=0;e[a++]=2;e[a++]=3;f=b.createBuffer();g=b.createBuffer();b.bindBuffer(b.ARRAY_BUFFER,f);b.bufferData(b.ARRAY_BUFFER,d,b.STATIC_DRAW);
-b.bindBuffer(b.ELEMENT_ARRAY_BUFFER,g);b.bufferData(b.ELEMENT_ARRAY_BUFFER,e,b.STATIC_DRAW);a=THREE.ShaderSprite.sprite;var t=b.createProgram(),v=b.createShader(b.FRAGMENT_SHADER),u=b.createShader(b.VERTEX_SHADER);b.shaderSource(v,a.fragmentShader);b.shaderSource(u,a.vertexShader);b.compileShader(v);b.compileShader(u);b.attachShader(t,v);b.attachShader(t,u);b.linkProgram(t);h=t;l={};k={};l.position=b.getAttribLocation(h,"position");l.uv=b.getAttribLocation(h,"uv");k.uvOffset=b.getUniformLocation(h,
-"uvOffset");k.uvScale=b.getUniformLocation(h,"uvScale");k.rotation=b.getUniformLocation(h,"rotation");k.scale=b.getUniformLocation(h,"scale");k.alignment=b.getUniformLocation(h,"alignment");k.color=b.getUniformLocation(h,"color");k.map=b.getUniformLocation(h,"map");k.opacity=b.getUniformLocation(h,"opacity");k.useScreenCoordinates=b.getUniformLocation(h,"useScreenCoordinates");k.affectedByDistance=b.getUniformLocation(h,"affectedByDistance");k.screenPosition=b.getUniformLocation(h,"screenPosition");
-k.modelViewMatrix=b.getUniformLocation(h,"modelViewMatrix");k.projectionMatrix=b.getUniformLocation(h,"projectionMatrix");k.fogType=b.getUniformLocation(h,"fogType");k.fogDensity=b.getUniformLocation(h,"fogDensity");k.fogNear=b.getUniformLocation(h,"fogNear");k.fogFar=b.getUniformLocation(h,"fogFar");k.fogColor=b.getUniformLocation(h,"fogColor");q=!1};this.render=function(d,e,v,u){var w=d.__webglSprites,x=w.length;if(x){var y=l,A=k,C=u/v;v*=0.5;var B=0.5*u,z=!0;b.useProgram(h);q||(b.enableVertexAttribArray(y.position),
-b.enableVertexAttribArray(y.uv),q=!0);b.disable(b.CULL_FACE);b.enable(b.BLEND);b.depthMask(!0);b.bindBuffer(b.ARRAY_BUFFER,f);b.vertexAttribPointer(y.position,2,b.FLOAT,!1,16,0);b.vertexAttribPointer(y.uv,2,b.FLOAT,!1,16,8);b.bindBuffer(b.ELEMENT_ARRAY_BUFFER,g);b.uniformMatrix4fv(A.projectionMatrix,!1,e._projectionMatrixArray);b.activeTexture(b.TEXTURE0);b.uniform1i(A.map,0);var D=y=0,I=d.fog;I?(b.uniform3f(A.fogColor,I.color.r,I.color.g,I.color.b),I instanceof THREE.Fog?(b.uniform1f(A.fogNear,I.near),
-b.uniform1f(A.fogFar,I.far),b.uniform1i(A.fogType,1),D=y=1):I instanceof THREE.FogExp2&&(b.uniform1f(A.fogDensity,I.density),b.uniform1i(A.fogType,2),D=y=2)):(b.uniform1i(A.fogType,0),D=y=0);for(var J,F=[],I=0;I<x;I++)J=w[I],J.visible&&0!==J.opacity&&(J.useScreenCoordinates?J.z=-J.position.z:(J._modelViewMatrix.multiply(e.matrixWorldInverse,J.matrixWorld),J.z=-J._modelViewMatrix.elements[14]));w.sort(a);for(I=0;I<x;I++)J=w[I],J.visible&&0!==J.opacity&&J.map&&J.map.image&&J.map.image.width&&(J.useScreenCoordinates?
-(b.uniform1i(A.useScreenCoordinates,1),b.uniform3f(A.screenPosition,(J.position.x-v)/v,(B-J.position.y)/B,Math.max(0,Math.min(1,J.position.z)))):(b.uniform1i(A.useScreenCoordinates,0),b.uniform1i(A.affectedByDistance,J.affectedByDistance?1:0),b.uniformMatrix4fv(A.modelViewMatrix,!1,J._modelViewMatrix.elements)),e=d.fog&&J.fog?D:0,y!==e&&(b.uniform1i(A.fogType,e),y=e),e=1/(J.scaleByViewport?u:1),F[0]=e*C*J.scale.x,F[1]=e*J.scale.y,b.uniform2f(A.uvScale,J.uvScale.x,J.uvScale.y),b.uniform2f(A.uvOffset,
-J.uvOffset.x,J.uvOffset.y),b.uniform2f(A.alignment,J.alignment.x,J.alignment.y),b.uniform1f(A.opacity,J.opacity),b.uniform3f(A.color,J.color.r,J.color.g,J.color.b),b.uniform1f(A.rotation,J.rotation),b.uniform2fv(A.scale,F),J.mergeWith3D&&!z?(b.enable(b.DEPTH_TEST),z=!0):!J.mergeWith3D&&z&&(b.disable(b.DEPTH_TEST),z=!1),c.setBlending(J.blending,J.blendEquation,J.blendSrc,J.blendDst),c.setTexture(J.map,0),b.drawElements(b.TRIANGLES,6,b.UNSIGNED_SHORT,0));b.enable(b.CULL_FACE);b.enable(b.DEPTH_TEST);
-b.depthMask(!0)}}};
-THREE.DepthPassPlugin=function(){this.enabled=!1;this.renderTarget=null;var a,b,c,d,e,f,g=new THREE.Frustum,h=new THREE.Matrix4;this.init=function(g){a=g.context;b=g;g=THREE.ShaderLib.depthRGBA;var h=THREE.UniformsUtils.clone(g.uniforms);c=new THREE.ShaderMaterial({fragmentShader:g.fragmentShader,vertexShader:g.vertexShader,uniforms:h});d=new THREE.ShaderMaterial({fragmentShader:g.fragmentShader,vertexShader:g.vertexShader,uniforms:h,morphTargets:!0});e=new THREE.ShaderMaterial({fragmentShader:g.fragmentShader,vertexShader:g.vertexShader,
-uniforms:h,skinning:!0});f=new THREE.ShaderMaterial({fragmentShader:g.fragmentShader,vertexShader:g.vertexShader,uniforms:h,morphTargets:!0,skinning:!0});c._shadowPass=!0;d._shadowPass=!0;e._shadowPass=!0;f._shadowPass=!0};this.render=function(a,b){this.enabled&&this.update(a,b)};this.update=function(l,k){var q,s,t,v,u,w;a.clearColor(1,1,1,1);a.disable(a.BLEND);b.setDepthTest(!0);b.autoUpdateScene&&l.updateMatrixWorld();k._viewMatrixArray||(k._viewMatrixArray=new Float32Array(16));k._projectionMatrixArray||
-(k._projectionMatrixArray=new Float32Array(16));k.matrixWorldInverse.getInverse(k.matrixWorld);k.matrixWorldInverse.flattenToArray(k._viewMatrixArray);k.projectionMatrix.flattenToArray(k._projectionMatrixArray);h.multiply(k.projectionMatrix,k.matrixWorldInverse);g.setFromMatrix(h);b.setRenderTarget(this.renderTarget);b.clear();w=l.__webglObjects;q=0;for(s=w.length;q<s;q++)t=w[q],u=t.object,t.render=!1,!u.visible||(u instanceof THREE.Mesh||u instanceof THREE.ParticleSystem)&&u.frustumCulled&&!g.contains(u)||
-(u._modelViewMatrix.multiply(k.matrixWorldInverse,u.matrixWorld),t.render=!0);var x;q=0;for(s=w.length;q<s;q++)t=w[q],t.render&&(u=t.object,t=t.buffer,u instanceof THREE.ParticleSystem&&!u.customDepthMaterial||((x=u.material instanceof THREE.MeshFaceMaterial?u.material.materials[0]:u.material)&&b.setMaterialFaces(u.material),v=0<u.geometry.morphTargets.length&&x.morphTargets,x=u instanceof THREE.SkinnedMesh&&x.skinning,v=u.customDepthMaterial?u.customDepthMaterial:x?v?f:e:v?d:c,t instanceof THREE.BufferGeometry?
-b.renderBufferDirect(k,l.__lights,null,v,t,u):b.renderBuffer(k,l.__lights,null,v,t,u)));w=l.__webglObjectsImmediate;q=0;for(s=w.length;q<s;q++)t=w[q],u=t.object,u.visible&&(u._modelViewMatrix.multiply(k.matrixWorldInverse,u.matrixWorld),b.renderImmediateObject(k,l.__lights,null,c,u));q=b.getClearColor();s=b.getClearAlpha();a.clearColor(q.r,q.g,q.b,s);a.enable(a.BLEND)}};
-THREE.ShaderFlares={lensFlareVertexTexture:{vertexShader:"uniform vec3 screenPosition;\nuniform vec2 scale;\nuniform float rotation;\nuniform int renderType;\nuniform sampler2D occlusionMap;\nattribute vec2 position;\nattribute vec2 uv;\nvarying vec2 vUV;\nvarying float vVisibility;\nvoid main() {\nvUV = uv;\nvec2 pos = position;\nif( renderType == 2 ) {\nvec4 visibility = texture2D( occlusionMap, vec2( 0.1, 0.1 ) ) +\ntexture2D( occlusionMap, vec2( 0.5, 0.1 ) ) +\ntexture2D( occlusionMap, vec2( 0.9, 0.1 ) ) +\ntexture2D( occlusionMap, vec2( 0.9, 0.5 ) ) +\ntexture2D( occlusionMap, vec2( 0.9, 0.9 ) ) +\ntexture2D( occlusionMap, vec2( 0.5, 0.9 ) ) +\ntexture2D( occlusionMap, vec2( 0.1, 0.9 ) ) +\ntexture2D( occlusionMap, vec2( 0.1, 0.5 ) ) +\ntexture2D( occlusionMap, vec2( 0.5, 0.5 ) );\nvVisibility = (       visibility.r / 9.0 ) *\n( 1.0 - visibility.g / 9.0 ) *\n(       visibility.b / 9.0 ) *\n( 1.0 - visibility.a / 9.0 );\npos.x = cos( rotation ) * position.x - sin( rotation ) * position.y;\npos.y = sin( rotation ) * position.x + cos( rotation ) * position.y;\n}\ngl_Position = vec4( ( pos * scale + screenPosition.xy ).xy, screenPosition.z, 1.0 );\n}",fragmentShader:"precision mediump float;\nuniform sampler2D map;\nuniform float opacity;\nuniform int renderType;\nuniform vec3 color;\nvarying vec2 vUV;\nvarying float vVisibility;\nvoid main() {\nif( renderType == 0 ) {\ngl_FragColor = vec4( 1.0, 0.0, 1.0, 0.0 );\n} else if( renderType == 1 ) {\ngl_FragColor = texture2D( map, vUV );\n} else {\nvec4 texture = texture2D( map, vUV );\ntexture.a *= opacity * vVisibility;\ngl_FragColor = texture;\ngl_FragColor.rgb *= color;\n}\n}"},
-lensFlare:{vertexShader:"uniform vec3 screenPosition;\nuniform vec2 scale;\nuniform float rotation;\nuniform int renderType;\nattribute vec2 position;\nattribute vec2 uv;\nvarying vec2 vUV;\nvoid main() {\nvUV = uv;\nvec2 pos = position;\nif( renderType == 2 ) {\npos.x = cos( rotation ) * position.x - sin( rotation ) * position.y;\npos.y = sin( rotation ) * position.x + cos( rotation ) * position.y;\n}\ngl_Position = vec4( ( pos * scale + screenPosition.xy ).xy, screenPosition.z, 1.0 );\n}",fragmentShader:"precision mediump float;\nuniform sampler2D map;\nuniform sampler2D occlusionMap;\nuniform float opacity;\nuniform int renderType;\nuniform vec3 color;\nvarying vec2 vUV;\nvoid main() {\nif( renderType == 0 ) {\ngl_FragColor = vec4( texture2D( map, vUV ).rgb, 0.0 );\n} else if( renderType == 1 ) {\ngl_FragColor = texture2D( map, vUV );\n} else {\nfloat visibility = texture2D( occlusionMap, vec2( 0.5, 0.1 ) ).a +\ntexture2D( occlusionMap, vec2( 0.9, 0.5 ) ).a +\ntexture2D( occlusionMap, vec2( 0.5, 0.9 ) ).a +\ntexture2D( occlusionMap, vec2( 0.1, 0.5 ) ).a;\nvisibility = ( 1.0 - visibility / 4.0 );\nvec4 texture = texture2D( map, vUV );\ntexture.a *= opacity * visibility;\ngl_FragColor = texture;\ngl_FragColor.rgb *= color;\n}\n}"}};
-THREE.ShaderSprite={sprite:{vertexShader:"uniform int useScreenCoordinates;\nuniform int affectedByDistance;\nuniform vec3 screenPosition;\nuniform mat4 modelViewMatrix;\nuniform mat4 projectionMatrix;\nuniform float rotation;\nuniform vec2 scale;\nuniform vec2 alignment;\nuniform vec2 uvOffset;\nuniform vec2 uvScale;\nattribute vec2 position;\nattribute vec2 uv;\nvarying vec2 vUV;\nvoid main() {\nvUV = uvOffset + uv * uvScale;\nvec2 alignedPosition = position + alignment;\nvec2 rotatedPosition;\nrotatedPosition.x = ( cos( rotation ) * alignedPosition.x - sin( rotation ) * alignedPosition.y ) * scale.x;\nrotatedPosition.y = ( sin( rotation ) * alignedPosition.x + cos( rotation ) * alignedPosition.y ) * scale.y;\nvec4 finalPosition;\nif( useScreenCoordinates != 0 ) {\nfinalPosition = vec4( screenPosition.xy + rotatedPosition, screenPosition.z, 1.0 );\n} else {\nfinalPosition = projectionMatrix * modelViewMatrix * vec4( 0.0, 0.0, 0.0, 1.0 );\nfinalPosition.xy += rotatedPosition * ( affectedByDistance == 1 ? 1.0 : finalPosition.z );\n}\ngl_Position = finalPosition;\n}",
-fragmentShader:"precision mediump float;\nuniform vec3 color;\nuniform sampler2D map;\nuniform float opacity;\nuniform int fogType;\nuniform vec3 fogColor;\nuniform float fogDensity;\nuniform float fogNear;\nuniform float fogFar;\nvarying vec2 vUV;\nvoid main() {\nvec4 texture = texture2D( map, vUV );\ngl_FragColor = vec4( color * texture.xyz, texture.a * opacity );\nif ( fogType > 0 ) {\nfloat depth = gl_FragCoord.z / gl_FragCoord.w;\nfloat fogFactor = 0.0;\nif ( fogType == 1 ) {\nfogFactor = smoothstep( fogNear, fogFar, depth );\n} else {\nconst float LOG2 = 1.442695;\nfloat fogFactor = exp2( - fogDensity * fogDensity * depth * depth * LOG2 );\nfogFactor = 1.0 - clamp( fogFactor, 0.0, 1.0 );\n}\ngl_FragColor = mix( gl_FragColor, vec4( fogColor, gl_FragColor.w ), fogFactor );\n}\n}"}};
-var tQuery=function(a,b){if(2===arguments.length&&(arguments[0]instanceof THREE.Geometry||arguments[0]instanceof THREE.BufferGeometry||arguments[0]instanceof tQuery.Geometry)&&(arguments[1]instanceof THREE.Material||arguments[1]instanceof tQuery.Material)){var c=arguments[0]instanceof tQuery.Geometry?arguments[0].get(0):arguments[0],d=arguments[1]instanceof tQuery.Material?arguments[1].get(0):arguments[1],c=new THREE.Mesh(c,d);return tQuery(c)}c=Array.isArray(a)?a[0]:a;if(c instanceof THREE.Mesh&&
-tQuery.Mesh)return new tQuery.Mesh(a);if(c instanceof THREE.DirectionalLight&&tQuery.DirectionalLight)return new tQuery.DirectionalLight(a);if(c instanceof THREE.AmbientLight&&tQuery.AmbientLight)return new tQuery.AmbientLight(a);if(c instanceof THREE.Light&&tQuery.Light)return new tQuery.Light(a);if(c instanceof THREE.Object3D&&tQuery.Object3D)return new tQuery.Object3D(a);if(c instanceof THREE.Geometry&&tQuery.Geometry)return new tQuery.Geometry(a);if(c instanceof THREE.Material&&tQuery.Material)return new tQuery.Material(a);
-if("string"===typeof c&&tQuery.Object3D)return new tQuery.Object3D(a,b);console.assert(!1,"unsupported type")};tQuery.VERSION="r53.0";tQuery.data=function(a,b,c,d){console.assert(a,"invalid parameters");console.assert("string"===typeof b,"invalid parameters");a._tqData=a._tqData||{};d&&console.assert(void 0===a._tqData[b],"This key already exists "+b);c&&(a._tqData[b]=c);return a._tqData[b]};
-tQuery.removeData=function(a,b,c){b instanceof Array?b.forEach(function(b){tQuery.removeData(a,b)}):(console.assert("string"===typeof b),c&&console.assert(void 0!==a._tqData[b],"This key doesnt already exists "+b),delete a._tqData[b])};tQuery.each=function(a,b){for(var c=0;c<a.length;c++)if(!1===b(a[c]))return!1;return!0};
-tQuery.now=function(){var a=window.performance||{};return a.now?function(){return a.timing.navigationStart+a.now()}:a.mozNow?function(){return a.timing.navigationStart+a.mozNow()}:a.webkitNow?function(){return a.timing.navigationStart+a.webkitNow()}:a.mskitNow?function(){return a.timing.navigationStart+a.msNow()}:a.okitNow?function(){return a.timing.navigationStart+a.oNow()}:function(){return Date.now}}();
-tQuery.inherit=function(a,b){var c=function(){};c.prototype=b.prototype;a.prototype=new c;a.parent=b.prototype;a.prototype.constructor=a};tQuery.extend=function(a,b,c){function d(a,b){Object.keys(b).forEach(function(c){a[c]=b[c]})}function e(a,b){for(var c in b)b[c]&&b[c].constructor&&b[c].constructor===Object?(a[c]=a[c]||{},arguments.callee(a[c],b[c])):a[c]=b[c];return a}c=(void 0!==c?c:1)?e:d;var f={};b&&c(f,b);a&&c(f,a);return f};
-tQuery._pluginsOn=function(a,b,c){b=b||a.prototype||a;c=c||"";console.assert(void 0===a["register"+c]);console.assert(void 0===a["unregister"+c]);console.assert(void 0===a["registered"+c]);a["register"+c]=function(a,c){console.assert(void 0===b[a],"Conflict! Already method called: "+a);b[a]=c};a["unregister"+c]=function(a){if(!1===b.hasOwnProperty(a))throw Error("Plugin not found: "+a);delete b[a]};a["registered"+c]=function(a){return!0===b.hasOwnProperty(a)}};
-tQuery.pluginsInstanceOn=function(a){tQuery._pluginsOn(a,void 0,"Instance")};tQuery.pluginsStaticOn=function(a){tQuery._pluginsOn(a,a,"Static")};tQuery.pluginsStaticOn(tQuery,tQuery);
-tQuery.mixinAttributes=function(a,b){a.prototype._attrProps=tQuery.extend(a.prototype._attrProps,b);a.prototype.attr=function(a,b){a instanceof Object&&void 0===b?Object.keys(a).forEach(function(b){this.attr(b,a[b])}.bind(this)):"string"===typeof a?console.assert(-1!==Object.keys(this._attrProps).indexOf(a),"invalid property name:"+a):console.assert(!1,"invalid parameter");return void 0!==b?(b=(0,this._attrProps[a])(b),this.each(function(e){e[a]=b}),this):0===this.length?void 0:this.get(0)[a]};Object.keys(b).forEach(function(b){a.prototype[b]=
-function(a){return this.attr(b,a)}}.bind(this))};tQuery.Flow=function(){var a,b=[],c=setTimeout(function(){c=null;a._next()},0);return a={destroy:function(){c&&clearTimeout(c)},par:function(c,e){!e&&b[b.length-1]instanceof Array||b.push([]);b[b.length-1].push(c);return a},seq:function(b){return a.par(b,!0)},_next:function(c,e){var f=[],g=[],h=b.shift()||[],l=h.length,k=1==l;h&&h.forEach(function(b,h){b(function(b,c){f[h]=b;g[h]=c;0==--l&&a._next(k?f[0]:f,k?g[0]:g)},c,e)})}}};
-tQuery.MicroeventMixin=function(a){a.bind=function(a,c){void 0===this._events&&(this._events={});this._events[a]=this._events[a]||[];this._events[a].push(c);return c};a.unbind=function(a,c){void 0===this._events&&(this._events={});!1!==a in this._events&&this._events[a].splice(this._events[a].indexOf(c),1)};a.trigger=function(a){void 0===this._events&&(this._events={});if(void 0!==this._events[a])for(var c=this._events[a].slice(),d=0;d<c.length;d++)c[d].apply(this,Array.prototype.slice.call(arguments,
-1))};a.addEventListener=function(a,c){this.bind(a,c);return this};a.removeEventListener=function(a,c){this.unbind(a,c);return this};a.dispatchEvent=function(a){this.trigger.apply(this,arguments);return this}};tQuery.convert={};tQuery.convert.toThreeColor=function(a){if(1===arguments.length&&"number"===typeof a)return new THREE.Color(a);if(1===arguments.length&&a instanceof THREE.Color)return a;console.assert(!1,"invalid parameter")};
-tQuery.convert.toNumber=function(a){if(1===arguments.length&&"number"===typeof a)return a;console.assert(!1,"invalid parameter")};tQuery.convert.toNumberZeroToOne=function(a){if(1===arguments.length&&"number"===typeof a)return a=Math.min(a,1),a=Math.max(a,0);console.assert(!1,"invalid parameter")};tQuery.convert.toInteger=function(a){if(1===arguments.length&&"number"===typeof a)return a=Math.floor(a);console.assert(!1,"invalid parameter")};tQuery.convert.identity=function(a){return a};
-tQuery.convert.toBoolean=function(a){if(1===arguments.length&&"boolean"===typeof a)return a;console.assert(!1,"invalid parameter")};tQuery.convert.toString=function(a){if(1===arguments.length&&"string"===typeof a)return a;console.assert(!1,"invalid parameter")};
-tQuery.convert.toTexture=function(a){if(1===arguments.length&&a instanceof THREE.Texture)return a;if(1===arguments.length&&"string"===typeof a)return THREE.ImageUtils.loadTexture(a);if(1===arguments.length&&(a instanceof Image||a instanceof HTMLCanvasElement)){var b=new THREE.Texture(a);b.needsUpdate=!0;return b}console.assert(!1,"invalid parameter")};tQuery.Node=function(a){this._lists=a instanceof Array?a:a?[a]:[];this.length=this._lists.length};
-tQuery.Node.prototype.get=function(a){if(void 0===a)return this._lists;console.assert(this._lists[a],"element not defined");return this._lists[a]};tQuery.Node.prototype.each=function(a){return tQuery.each(this._lists,a)};tQuery.Node.prototype.back=function(a){if(void 0===a)return this._back;this._back=a;return this};tQuery.Node.prototype.data=function(a,b){if(b)return this.each(function(c){tQuery.data(c,a,b)}),this;if(0<this.length)return tQuery.data(this.get(0),a);console.assert(0===this.length)};
-tQuery.Node.prototype.removeData=function(a){this.each(function(b){tQuery.removeData(b,a)});return this};tQuery.Object3D=function(a,b){"string"===typeof a&&(a=tQuery.Object3D._select(a,b));tQuery.Object3D.parent.constructor.call(this,a);this._lists.forEach(function(a){console.assert(a instanceof THREE.Object3D)})};tQuery.inherit(tQuery.Object3D,tQuery.Node);tQuery.pluginsInstanceOn(tQuery.Object3D);
-tQuery.mixinAttributes(tQuery.Object3D,{eulerOrder:tQuery.convert.toString,doubleSided:tQuery.convert.toBoolean,flipSided:tQuery.convert.toBoolean,rotationAutoUpdate:tQuery.convert.toBoolean,matrixAutoUpdate:tQuery.convert.toBoolean,matrixWorldNeedsUpdate:tQuery.convert.toBoolean,useQuaternion:tQuery.convert.toBoolean,visible:tQuery.convert.toBoolean,receiveShadow:tQuery.convert.toBoolean,castShadow:tQuery.convert.toBoolean});
-tQuery.Object3D.prototype.traverseHierarchy=function(a){this.each(function(b){THREE.SceneUtils.traverseHierarchy(b,function(b){a(b)})});return this};tQuery.Object3D.prototype.geometry=function(a){var b=[];this.each(function(a){b.push(a.geometry)});return(new tQuery.Geometry(b)).back(this)};tQuery.Object3D.prototype.material=function(){var a=[];this.each(function(b){a.push(b.material)});return new tQuery.Material(a)};
-tQuery.Object3D.prototype.clone=function(){var a=[];this._lists.forEach(function(b){b=b.clone();a.push(b)});return tQuery(a)};tQuery.Object3D.prototype.addTo=function(a){console.assert(a instanceof tQuery.World||a instanceof tQuery.Object3D||a instanceof THREE.Object3D);this.each(function(b){a.add(b)}.bind(this));return this};tQuery.Object3D.prototype.removeFrom=function(a){console.assert(a instanceof tQuery.World||a instanceof tQuery.Object3D);this.each(function(b){a.remove(b)}.bind(this));return this};
-tQuery.Object3D.prototype.detach=function(){this.each(function(a){a.parent&&a.parent.remove(a)}.bind(this));return this};tQuery.Object3D.prototype.add=function(a){a instanceof tQuery.Object3D?this.each(function(b){a.each(function(a){b.add(a)})}.bind(this)):a instanceof THREE.Object3D?this.each(function(b){b.add(a)}):console.assert(!1,"invalid parameter");return this};
-tQuery.Object3D.prototype.remove=function(a){a instanceof tQuery.Object3D?this.each(function(b){a.each(function(a){b.remove(a)})}.bind(this)):a instanceof THREE.Object3D?this.each(function(b){b.remove(a)}):console.assert(!1,"invalid parameter");return this};tQuery.Object3D.prototype.id=function(a){console.assert(1>=this.length,"tQuery.Object3D.id used on multi-elements");if(void 0!==a){if(0<this.length){var b=this.get(0);b._tqId=a}return this}if(0<this.length)return b=this.get(0),b._tqId};
-tQuery.Object3D.prototype.addClass=function(a){this.each(function(b){b._tqClasses=b._tqClasses||"";tQuery.Object3D._hasClassOne(b,a)||(b._tqClasses+=" "+a)}.bind(this));return this};tQuery.Object3D.prototype.removeClass=function(a){this.each(function(b){tQuery.Object3D._removeClassOne(b,a)}.bind(this));return this};tQuery.Object3D.prototype.hasClass=function(a){return this.each(function(b){b._tqClasses=b._tqClasses||"";return tQuery.Object3D._hasClassOne(b,a)?!1:!0}.bind(this))?!1:!0};
-tQuery.Object3D._hasClassOne=function(a,b){return void 0===a._tqClasses?!1:a._tqClasses.match(RegExp("(^| |\t)+("+b+")($| |\t)+"))?!0:!1};tQuery.Object3D._removeClassOne=function(a,b){void 0!==a._tqClasses&&(a._tqClasses=a._tqClasses.replace(RegExp("(^| |\t)("+b+")($| |\t)")," "))};
-tQuery.Object3D._select=function(a,b){b=b||tQuery.world.tScene();b instanceof tQuery.Object3D&&(b=b.get(0));var c=a.split(" ").filter(function(a){return 0<a.length});console.assert(b instanceof THREE.Object3D);var d=[];b.children.forEach(function(a){a=this._crawls(a,c);d=d.concat(a)}.bind(this));return d};
-tQuery.Object3D._crawls=function(a,b){var c=[];console.assert(1<=b.length);var d=this._selectItemMatch(a,b[0])?b.slice(1):b;if(0===d.length)return[a];a.children.forEach(function(a){a=this._crawls(a,d);c=c.concat(a)}.bind(this));return c};tQuery.Object3D._selectableGeometries=Object.keys(THREE).filter(function(a){return a.match(/.+Geometry$/)}).map(function(a){return a.replace(/Geometry$/,"").toLowerCase()});
-tQuery.Object3D._selectableLights=Object.keys(THREE).filter(function(a){return a.match(/.+Light$/)}).map(function(a){return a.replace(/Light$/,"").toLowerCase()});tQuery.Object3D._selectableClasses=["mesh","light"];
-tQuery.Object3D._selectItemMatch=function(a,b){console.assert(a instanceof THREE.Object3D);console.assert("string"===typeof b);var c=b.match(/([^.#]+|.[^.#]+|#[^.#]+)/g);return tQuery.each(c,function(b){var c=b.charAt(0),f=b.slice(1);if("."===c)return tQuery.Object3D._hasClassOne(a,f)?!0:!1;if("#"===c)return a._tqId===f?!0:!1;if("*"===b)return!0;if(-1!==this._selectableGeometries.indexOf(b))return c=a.geometry,b=b.charAt(0).toUpperCase()+b.slice(1)+"Geometry",c instanceof THREE[b];if(-1!==this._selectableLights.indexOf(b))return b=
-b.charAt(0).toUpperCase()+b.slice(1)+"Light",a instanceof THREE[b];if(-1!==this._selectableClasses.indexOf(b))return b=b.charAt(0).toUpperCase()+b.slice(1),a instanceof THREE[b];console.assert(!1,"invalid selector: "+b);return!0}.bind(this))?!0:!1};tQuery.Geometry=function(a){tQuery.Geometry.parent.constructor.call(this,a);this._lists.forEach(function(a){console.assert(a instanceof THREE.Geometry)})};tQuery.inherit(tQuery.Geometry,tQuery.Node);tQuery.pluginsInstanceOn(tQuery.Geometry);
-tQuery.mixinAttributes(tQuery.Geometry,{hasTangents:tQuery.convert.toBoolean,dynamic:tQuery.convert.toBoolean});tQuery.Material=function(a){tQuery.Material.parent.constructor.call(this,a);this._lists.forEach(function(a){console.assert(a instanceof THREE.Material)})};tQuery.inherit(tQuery.Material,tQuery.Node);tQuery.pluginsInstanceOn(tQuery.Material);tQuery.mixinAttributes(tQuery.Material,{opacity:tQuery.convert.toNumber,transparent:tQuery.convert.toBoolean});
-tQuery.Light=function(a){tQuery.Light.parent.constructor.call(this,a);this._lists.forEach(function(a){console.assert(a instanceof THREE.Light)})};tQuery.inherit(tQuery.Light,tQuery.Object3D);tQuery.pluginsInstanceOn(tQuery.Light);tQuery.mixinAttributes(tQuery.Light,{color:tQuery.convert.toThreeColor});tQuery.Mesh=function(a){tQuery.Mesh.parent.constructor.call(this,a);this._lists.forEach(function(a){console.assert(a instanceof THREE.Mesh)})};tQuery.inherit(tQuery.Mesh,tQuery.Object3D);tQuery.pluginsInstanceOn(tQuery.Mesh);
-tQuery.Mesh.prototype.material=function(a){var b=tQuery.Mesh.parent;if(void 0==a)return b.material.call(this);a instanceof tQuery.Material&&(a=a.get(0));console.assert(a instanceof THREE.Material);this.each(function(b){b.material=a});return this};tQuery.registerStatic("createSprite",function(a){a=tQuery.extend(a,{useScreenCoordinates:!1});a=new THREE.Sprite(a);return new tQuery.Sprite(a)});
-tQuery.registerStatic("Sprite",function(a){tQuery.Sprite.parent.constructor.call(this,a);this._lists.forEach(function(a){console.assert(a instanceof THREE.Sprite)})});tQuery.inherit(tQuery.Sprite,tQuery.Object3D);tQuery.mixinAttributes(tQuery.Sprite,{color:tQuery.convert.toThreeColor,map:tQuery.convert.toTexture,useScreenCoordinates:tQuery.convert.toBoolean});
-tQuery.World=function(a){a=a||{};this._opts=a=tQuery.extend(a,{renderW:window.innerWidth,renderH:window.innerHeight,webGLNeeded:!0,autoRendering:!0,scene:null,camera:null,renderer:null});console.assert(!tQuery.word);tQuery.world=this;this._autoRendering=!0;this._scene=a.scene||new THREE.Scene;a.camera?this._camera=a.camera:(this._camera=new THREE.PerspectiveCamera(35,a.renderW/a.renderH,0.01,1E4),this._camera.position.set(0,0,3),this._scene.add(this._camera));this._loop=new tQuery.Loop;this._$loopCb=
-this._loop.hookOnRender(function(a,c){this.render(a)}.bind(this));if(a.renderer)this._renderer=a.renderer;else if(tQuery.World.hasWebGL())this._renderer=new THREE.WebGLRenderer({antialias:!0,preserveDrawingBuffer:!0});else{if(a.webGLNeeded)throw this._addGetWebGLMessage(),Error("WebGL required and not available");this._renderer=new THREE.CanvasRenderer}this._renderer.setClearColorHex(12303291,1);this._renderer.setSize(a.renderW,a.renderH)};tQuery.pluginsInstanceOn(tQuery.World);tQuery.MicroeventMixin(tQuery.World.prototype);
-tQuery.World.prototype.destroy=function(){this.trigger("destroy");this._loop.unhookOnRender(this._$loopCb);this._loop.destroy();this.removeCameraControls();var a=this._renderer.domElement.parentElement;a&&a.removeChild(this._renderer.domElement);tQuery.world===this&&(tQuery.world=null)};tQuery.World._hasWebGL=void 0;
-tQuery.World.hasWebGL=function(){if(void 0!==tQuery.World._hasWebGL)return tQuery.World._hasWebGL;try{tQuery.World._hasWebGL=!!window.WebGLRenderingContext&&!!document.createElement("canvas").getContext("experimental-webgl")}catch(a){tQuery.World._hasWebGL=!1}return tQuery.World._hasWebGL};
-tQuery.World.prototype._addGetWebGLMessage=function(a){a=a||document.body;var b=document.createElement("div");b.style.fontFamily="monospace";b.style.fontSize="13px";b.style.textAlign="center";b.style.background="#eee";b.style.color="#000";b.style.padding="1em";b.style.width="475px";b.style.margin="5em auto 0";b.innerHTML=window.WebGLRenderingContext?'Your graphics card does not seem to support <a href="http://khronos.org/webgl/wiki/Getting_a_WebGL_Implementation">WebGL</a>.<br />\nFind out how to get it <a href="http://get.webgl.org/">here</a>.':
-'Your browser does not seem to support <a href="http://khronos.org/webgl/wiki/Getting_a_WebGL_Implementation">WebGL</a>.<br/>\nFind out how to get it <a href="http://get.webgl.org/">here</a>.';a.appendChild(b)};tQuery.World.prototype.setCameraControls=function(a){this.hasCameraControls()&&this.removeCameraControls();this._cameraControls=a;return this};tQuery.World.prototype.getCameraControls=function(){return this._cameraControls};
-tQuery.World.prototype.removeCameraControls=function(){if(!1===this.hasCameraControls())return this;this._cameraControls=void 0;return this};tQuery.World.prototype.hasCameraControls=function(){return void 0!==this._cameraControls?!0:!1};tQuery.World.prototype.add=function(a){a instanceof tQuery.Object3D?a.each(function(a){this._scene.add(a)}.bind(this)):a instanceof THREE.Object3D?this._scene.add(a):console.assert(!1,"invalid type");return this};
-tQuery.World.prototype.remove=function(a){a instanceof tQuery.Object3D?a.each(function(a){this._scene.remove(a)}.bind(this)):a instanceof THREE.Object3D?this._scene.remove(a):console.assert(!1,"invalid type");return this};tQuery.World.prototype.appendTo=function(a){a.appendChild(this._renderer.domElement);return this};tQuery.World.prototype.start=function(){this._loop.start();return this};tQuery.World.prototype.stop=function(){this._loop.stop();return this};tQuery.World.prototype.loop=function(){return this._loop};
-tQuery.World.prototype.tRenderer=function(){return this._renderer};tQuery.World.prototype.tScene=function(){return this._scene};tQuery.World.prototype.tCamera=function(){return this._camera};tQuery.World.prototype.renderer=function(){console.trace();console.warn("world.renderer() is ovbslete, use .tRenderer() instead");return this._renderer};tQuery.World.prototype.camera=function(){console.trace();console.warn("world.camera() is obsolete, use .tCamerar() instead");return this._camera};
-tQuery.World.prototype.scene=function(){console.trace();console.warn("world.scene() is obsolete, use .tScene() instead");return this._scene};tQuery.World.prototype.get=function(){return this._scene};tQuery.World.prototype.autoRendering=function(a){if(void 0===a)return this._autoRendering;this._autoRendering=a;return this};tQuery.World.prototype.render=function(a){this.hasCameraControls()&&this._cameraControls.update(a);this._autoRendering&&this._renderer.render(this._scene,this._camera)};
-tQuery.Loop=function(){this._hooks=[];this._lastTime=null};tQuery.pluginsInstanceOn(tQuery.Loop);tQuery.Loop.prototype.destroy=function(){this.stop()};tQuery.Loop.prototype.start=function(){this._timerId&&this.stop();this._timerId=requestAnimationFrame(this._onAnimationFrame.bind(this));return this};tQuery.Loop.prototype.stop=function(){cancelAnimationFrame(this._timerId);this._timerId=null;return this};
-tQuery.Loop.prototype._onAnimationFrame=function(){this._timerId=requestAnimationFrame(this._onAnimationFrame.bind(this));var a=tQuery.now()/1E3;this._lastTime||(this._lastTime=a-1/60);var b=a-this._lastTime;this._lastTime=a;for(var c=0;c<=this._hooks.length;c++)if(void 0!==this._hooks[c])for(var d=this._hooks[c].slice(0),e=0;e<d.length;e++)d[e](b,a)};tQuery.Loop.prototype.PRE_RENDER=20;tQuery.Loop.prototype.ON_RENDER=50;tQuery.Loop.prototype.POST_RENDER=80;
-tQuery.Loop.prototype.hook=function(a,b){"function"===typeof a&&(b=a,a=this.PRE_RENDER);this._hooks[a]=this._hooks[a]||[];console.assert(-1===this._hooks[a].indexOf(b));this._hooks[a].push(b);return b};tQuery.Loop.prototype.unhook=function(a,b){"function"===typeof a&&(b=a,a=this.PRE_RENDER);var c=this._hooks[a].indexOf(b);console.assert(-1!==c);this._hooks[a].splice(c,1);0===this._hooks[a].length&&delete this._hooks[a];return this};
-tQuery.Loop.prototype.hookPreRender=function(a){return this.hook(this.PRE_RENDER,a)};tQuery.Loop.prototype.hookOnRender=function(a){return this.hook(this.ON_RENDER,a)};tQuery.Loop.prototype.hookPostRender=function(a){return this.hook(this.POST_RENDER,a)};tQuery.Loop.prototype.unhookPreRender=function(a){return this.unhook(this.PRE_RENDER,a)};tQuery.Loop.prototype.unhookOnRender=function(a){return this.unhook(this.ON_RENDER,a)};
-tQuery.Loop.prototype.unhookPostRender=function(a){return this.unhook(this.POST_RENDER,a)};tQuery.registerStatic("createWorld",function(a){return new tQuery.World(a)});tQuery.registerStatic("createObject3D",function(){var a=new THREE.Object3D;return tQuery(a)});tQuery.registerStatic("createLoop",function(a){return new tQuery.Loop(a)});tQuery.registerStatic("createDirectionalLight",function(){var a=new THREE.DirectionalLight;return new tQuery.DirectionalLight([a])});
-tQuery.registerStatic("createSpotLight",function(){var a=new THREE.SpotLight;return new tQuery.SpotLight([a])});tQuery.registerStatic("createPointLight",function(){var a=new THREE.PointLight;return new tQuery.PointLight([a])});tQuery.registerStatic("createAmbientLight",function(){var a=new THREE.AmbientLight;return new tQuery.AmbientLight([a])});tQuery.registerStatic("defaultObject3DMaterial",new THREE.MeshNormalMaterial);
-tQuery.Geometry.prototype.toMesh=function(a){var b=[];this.each(function(c){a=a||tQuery.defaultObject3DMaterial;c=new THREE.Mesh(c,a);b.push(c)});return new tQuery.Mesh(b)};tQuery.registerStatic("createCube",function(){return this._createMesh(THREE.CubeGeometry,[1,1,1],arguments)});tQuery.registerStatic("createTorus",function(){return this._createMesh(THREE.TorusGeometry,[0.35,0.15],arguments)});tQuery.registerStatic("createVector3",function(a,b,c){return new THREE.Vector3(a,b,c)});
-tQuery.registerStatic("createVector2",function(a,b){return new THREE.Vector2(a,b)});tQuery.registerStatic("createSphere",function(){return this._createMesh(THREE.SphereGeometry,[0.5,32,16],arguments)});tQuery.registerStatic("createPlane",function(){return this._createMesh(THREE.PlaneGeometry,[1,1,16,16],arguments)});tQuery.registerStatic("createCylinder",function(){return this._createMesh(THREE.CylinderGeometry,[0.5,0.5,1,16,4],arguments)});
-tQuery.registerStatic("_createMesh",function(a,b,c){c=Array.prototype.slice.call(c);var d=tQuery.defaultObject3DMaterial;c.length&&c[c.length-1]instanceof THREE.Material&&(d=c.pop());0===c.length&&(c=b.slice());c.unshift(a);a=function(a,b,c,d,l,k,q,s,t){console.assert(9>=arguments.length);return new a(b,c,d,l,k,q,s,t)}.apply(this,c);a.dynamic=!0;d=new THREE.Mesh(a,d);return tQuery(d)});tQuery.registerStatic("createAxis",function(){var a=new THREE.AxisHelper;a.scale.multiplyScalar(0.01);return tQuery(a)});
-tQuery.AmbientLight=function(a){tQuery.AmbientLight.parent.constructor.call(this,a);this._lists.forEach(function(a){console.assert(a instanceof THREE.AmbientLight)})};tQuery.inherit(tQuery.AmbientLight,tQuery.Light);tQuery.pluginsInstanceOn(tQuery.AmbientLight);tQuery.DirectionalLight=function(a){tQuery.DirectionalLight.parent.constructor.call(this,a);this._lists.forEach(function(a){console.assert(a instanceof THREE.DirectionalLight)})};tQuery.inherit(tQuery.DirectionalLight,tQuery.Light);tQuery.pluginsInstanceOn(tQuery.DirectionalLight);
-tQuery.mixinAttributes(tQuery.DirectionalLight,{intensity:tQuery.convert.toNumber,distance:tQuery.convert.toNumber,shadowDarkness:tQuery.convert.toNumberZeroToOne,shadowBias:tQuery.convert.toNumber,shadowMapWidth:tQuery.convert.toInteger,shadowMapHeight:tQuery.convert.toInteger,shadowCameraRight:tQuery.convert.toNumber,shadowCameraLeft:tQuery.convert.toNumber,shadowCameraTop:tQuery.convert.toNumber,shadowCameraBottom:tQuery.convert.toNumber,shadowCameraVisible:tQuery.convert.toBoolean,shadowCameraNear:tQuery.convert.toNumber,
-shadowCameraFar:tQuery.convert.toNumber});tQuery.PointLight=function(a){tQuery.PointLight.parent.constructor.call(this,a);this._lists.forEach(function(a){console.assert(a instanceof THREE.PointLight)})};tQuery.inherit(tQuery.PointLight,tQuery.Light);tQuery.pluginsInstanceOn(tQuery.PointLight);tQuery.mixinAttributes(tQuery.PointLight,{intensity:tQuery.convert.toNumber,distance:tQuery.convert.toNumber});
-tQuery.SpotLight=function(a){tQuery.SpotLight.parent.constructor.call(this,a);this._lists.forEach(function(a){console.assert(a instanceof THREE.SpotLight)})};tQuery.inherit(tQuery.SpotLight,tQuery.Light);tQuery.pluginsInstanceOn(tQuery.SpotLight);
-tQuery.mixinAttributes(tQuery.SpotLight,{intensity:tQuery.convert.toNumber,distance:tQuery.convert.toNumber,angle:tQuery.convert.toNumber,exponent:tQuery.convert.toNumber,onlyShadow:tQuery.convert.toBoolean,shadowDarkness:tQuery.convert.toNumberZeroToOne,shadowBias:tQuery.convert.toNumber,shadowMapWidth:tQuery.convert.toInteger,shadowMapHeight:tQuery.convert.toInteger,shadowCameraRight:tQuery.convert.toNumber,shadowCameraLeft:tQuery.convert.toNumber,shadowCameraTop:tQuery.convert.toNumber,shadowCameraBottom:tQuery.convert.toNumber,
-shadowCameraVisible:tQuery.convert.toBoolean});tQuery.Mesh.registerInstance("setBasicMaterial",function(a){a=tQuery.createMeshBasicMaterial(a);this.material(a.get(0));return a.back(this)});tQuery.registerStatic("createMeshBasicMaterial",function(a){a=new THREE.MeshBasicMaterial(a);return new tQuery.MeshBasicMaterial(a)});tQuery.MeshBasicMaterial=function(a){tQuery.MeshBasicMaterial.parent.constructor.call(this,a);this._lists.forEach(function(a){console.assert(a instanceof THREE.MeshBasicMaterial)})};
-tQuery.inherit(tQuery.MeshBasicMaterial,tQuery.Material);tQuery.mixinAttributes(tQuery.MeshBasicMaterial,{color:tQuery.convert.toThreeColor,ambient:tQuery.convert.toThreeColor,map:tQuery.convert.toTexture,envMap:tQuery.convert.toTexture,wireframe:tQuery.convert.toBoolean,wireframeLinewidth:tQuery.convert.toInteger,wireframeLinecap:tQuery.convert.toString});tQuery.Mesh.registerInstance("setLambertMaterial",function(a){a=tQuery.createMeshLambertMaterial(a);this.material(a.get(0));return a.back(this)});
-tQuery.registerStatic("createMeshLambertMaterial",function(a){a=new THREE.MeshLambertMaterial(a);return new tQuery.MeshLambertMaterial(a)});tQuery.MeshLambertMaterial=function(a){tQuery.MeshLambertMaterial.parent.constructor.call(this,a);this._lists.forEach(function(a){console.assert(a instanceof THREE.MeshLambertMaterial)})};tQuery.inherit(tQuery.MeshLambertMaterial,tQuery.Material);
-tQuery.mixinAttributes(tQuery.MeshLambertMaterial,{color:tQuery.convert.toThreeColor,ambient:tQuery.convert.toThreeColor,map:tQuery.convert.toTexture,bumpMap:tQuery.convert.toTexture,bumpScale:tQuery.convert.toNumber,side:tQuery.convert.identity});tQuery.Mesh.registerInstance("setNormalMaterial",function(a){a=tQuery.createMeshNormalMaterial(a);this.material(a.get(0));return a.back(this)});tQuery.registerStatic("createMeshNormalMaterial",function(a){a=new THREE.MeshNormalMaterial(a);return new tQuery.MeshNormalMaterial(a)});
-tQuery.MeshNormalMaterial=function(a){tQuery.MeshNormalMaterial.parent.constructor.call(this,a);this._lists.forEach(function(a){console.assert(a instanceof THREE.MeshNormalMaterial)})};tQuery.inherit(tQuery.MeshNormalMaterial,tQuery.Material);tQuery.Mesh.registerInstance("setPhongMaterial",function(a){a=tQuery.createMeshPhongMaterial(a);this.material(a.get(0));return a.back(this)});tQuery.registerStatic("createMeshPhongMaterial",function(a){a=new THREE.MeshPhongMaterial(a);return new tQuery.MeshPhongMaterial(a)});
-tQuery.MeshPhongMaterial=function(a){tQuery.MeshPhongMaterial.parent.constructor.call(this,a);this._lists.forEach(function(a){console.assert(a instanceof THREE.MeshPhongMaterial)})};tQuery.inherit(tQuery.MeshPhongMaterial,tQuery.Material);
-tQuery.mixinAttributes(tQuery.MeshPhongMaterial,{map:tQuery.convert.toTexture,color:tQuery.convert.toThreeColor,ambient:tQuery.convert.toThreeColor,emissive:tQuery.convert.toThreeColor,specular:tQuery.convert.toThreeColor,shininess:tQuery.convert.toNumber,bumpMap:tQuery.convert.toTexture,bumpScale:tQuery.convert.toNumber,metal:tQuery.convert.toBoolean,perPixel:tQuery.convert.toBoolean});
-(function(){tQuery.Geometry.registerInstance("computeAll",function(){this.each(function(a){a.computeBoundingSphere();a.computeBoundingBox();a.computeFaceNormals()});return this});tQuery.Geometry.registerInstance("scaleBy",function(a){"number"===typeof a&&1===arguments.length?a=new THREE.Vector3(a,a,a):"number"===typeof a&&3===arguments.length&&(a=new THREE.Vector3(arguments[0],arguments[1],arguments[2]));console.assert(a instanceof THREE.Vector3,"Geometry.vector3 parameter error");this.each(function(b){for(var c=
-0;c<b.vertices.length;c++)b.vertices[c].multiplySelf(a);b.verticesNeedUpdate=!0;b.computeBoundingBox()});return this});tQuery.Geometry.registerInstance("size",function(){console.assert(1>=this.length);if(0!==this.length){var a=this.get(0),b=new THREE.Vector3;b.x=a.boundingBox.max.x-a.boundingBox.min.x;b.y=a.boundingBox.max.y-a.boundingBox.min.y;b.z=a.boundingBox.max.z-a.boundingBox.min.z;return b}});tQuery.Geometry.registerInstance("normalize",function(){this.each(function(a){a=tQuery(a);var b=a.size();
-b.x>=b.y&&b.x>=b.z?a.zoom(1/b.x):b.y>=b.x&&b.y>=b.z?a.zoom(1/b.y):a.zoom(1/b.z)});return this});tQuery.Geometry.registerInstance("middlePoint",function(){console.assert(1>=this.length);if(0!==this.length){var a=this.get(0),b=new THREE.Vector3;b.x=(a.boundingBox.max.x+a.boundingBox.min.x)/2;b.y=(a.boundingBox.max.y+a.boundingBox.min.y)/2;b.z=(a.boundingBox.max.z+a.boundingBox.min.z)/2;return b}});tQuery.Geometry.registerInstance("translate",function(a){"number"===typeof a&&3===arguments.length&&(a=
-new THREE.Vector3(arguments[0],arguments[1],arguments[2]));console.assert(a instanceof THREE.Vector3,"Geometry.translate parameter error");this.each(function(b){for(var c=0;c<b.vertices.length;c++)b.vertices[c].addSelf(a);b.verticesNeedUpdate=!0;b.computeBoundingBox()});return this});tQuery.Geometry.registerInstance("rotate",function(a,b){"number"===typeof a&&3===arguments.length&&(a=new THREE.Vector3(arguments[0],arguments[1],arguments[2]));console.assert(a instanceof THREE.Vector3,"Geometry.rotate parameter error");
-b=b||"XYZ";var c=new THREE.Matrix4;c.setRotationFromEuler(a,b);this.each(function(a){a.applyMatrix(c);a.verticesNeedUpdate=!0;a.computeBoundingBox()});return this});tQuery.Geometry.registerInstance("center",function(a,b,c){this.each(function(d){d=tQuery(d);var e=d.middlePoint().negate();a&&(e.x=0);b&&(e.y=0);c&&(e.z=0);return d.translate(e)});return this});tQuery.Geometry.registerInstance("smooth",function(a){var b=new THREE.SubdivisionModifier(a);this.each(function(a){b.modify(a);a.verticesNeedUpdate=
-!0;a.computeBoundingBox()});return this});tQuery.Geometry.registerInstance("translateX",function(a){return this.translate(a,0,0)});tQuery.Geometry.registerInstance("translateY",function(a){return this.translate(0,a,0)});tQuery.Geometry.registerInstance("translateZ",function(a){return this.translate(0,0,a)});tQuery.Geometry.registerInstance("rotateX",function(a){return this.rotate(a,0,0)});tQuery.Geometry.registerInstance("rotateY",function(a){return this.rotate(0,a,0)});tQuery.Geometry.registerInstance("rotateZ",
-function(a){return this.rotate(0,0,a)});tQuery.Geometry.registerInstance("scaleXBy",function(a){return this.scaleBy(a,1,1)});tQuery.Geometry.registerInstance("scaleYBy",function(a){return this.scaleBy(1,a,1)});tQuery.Geometry.registerInstance("scaleZBy",function(a){return this.scaleBy(1,1,a)});tQuery.Geometry.registerInstance("zoom",function(a){return this.scaleBy(a)});tQuery.Geometry.registerInstance("zoomX",function(a){return this.zoom(a,1,1)});tQuery.Geometry.registerInstance("zoomY",function(a){return this.zoom(1,
-a,1)});tQuery.Geometry.registerInstance("zoomZ",function(a){return this.zoom(1,1,a)})})();tQuery.Object3D.registerInstance("position",function(a){if(void 0===a)return this.get(0).position;"number"===typeof a&&3===arguments.length&&(a=new THREE.Vector3(arguments[0],arguments[1],arguments[2]));console.assert(a instanceof THREE.Vector3,"Object3D.position parameter error");this.each(function(b){b.position.copy(a)});return this});
-tQuery.Object3D.registerInstance("positionX",function(a){if(void 0===a)return this.get(0).position.x;console.assert("number"===typeof a&&1===arguments.length);this.each(function(b){b.position.x=a});return this});tQuery.Object3D.registerInstance("positionY",function(a){if(void 0===a)return this.get(0).position.y;console.assert("number"===typeof a&&1===arguments.length);this.each(function(b){b.position.y=a});return this});
-tQuery.Object3D.registerInstance("positionZ",function(a){if(void 0===a)return this.get(0).position.z;console.assert("number"===typeof a&&1===arguments.length);this.each(function(b){b.position.z=a});return this});tQuery.Object3D.registerInstance("translate",function(a){"number"===typeof a&&3===arguments.length&&(a=new THREE.Vector3(arguments[0],arguments[1],arguments[2]));console.assert(a instanceof THREE.Vector3,"Object3D.translate parameter error");this.each(function(b){b.position.addSelf(a)});return this});
-tQuery.Object3D.registerInstance("translateX",function(a){return this.translate(a,0,0)});tQuery.Object3D.registerInstance("translateY",function(a){return this.translate(0,a,0)});tQuery.Object3D.registerInstance("translateZ",function(a){return this.translate(0,0,a)});
-tQuery.Object3D.registerInstance("rotation",function(a){if(void 0===a)return this.get(0).rotation;"number"===typeof a&&3===arguments.length&&(a=new THREE.Vector3(arguments[0],arguments[1],arguments[2]));console.assert(a instanceof THREE.Vector3,"Object3D.rotation parameter error");this.each(function(b){b.rotation.copy(a)});return this});
-tQuery.Object3D.registerInstance("rotationX",function(a){if(void 0===a)return this.get(0).rotation.x;console.assert("number"===typeof a&&1===arguments.length);this.each(function(b){b.rotation.x=a});return this});tQuery.Object3D.registerInstance("rotationY",function(a){if(void 0===a)return this.get(0).rotation.y;console.assert("number"===typeof a&&1===arguments.length);this.each(function(b){b.rotation.y=a});return this});
-tQuery.Object3D.registerInstance("rotationZ",function(a){if(void 0===a)return this.get(0).rotation.z;console.assert("number"===typeof a&&1===arguments.length);this.each(function(b){b.rotation.z=a});return this});tQuery.Object3D.registerInstance("rotate",function(a){"number"===typeof a&&3===arguments.length&&(a=new THREE.Vector3(arguments[0],arguments[1],arguments[2]));console.assert(a instanceof THREE.Vector3,"Object3D.rotate parameter error");this.each(function(b){b.rotation.addSelf(a)});return this});
-tQuery.Object3D.registerInstance("rotateX",function(a){return this.rotate(a,0,0)});tQuery.Object3D.registerInstance("rotateY",function(a){return this.rotate(0,a,0)});tQuery.Object3D.registerInstance("rotateZ",function(a){return this.rotate(0,0,a)});
-tQuery.Object3D.registerInstance("scale",function(a){if(void 0===a)return this.get(0).scale;"number"===typeof a&&1===arguments.length?a=new THREE.Vector3(a,a,a):"number"===typeof a&&3===arguments.length&&(a=new THREE.Vector3(arguments[0],arguments[1],arguments[2]));console.assert(a instanceof THREE.Vector3,"Object3D.scale parameter error");this.each(function(b){b.scale.copy(a)});return this});
-tQuery.Object3D.registerInstance("scaleX",function(a){if(void 0===a)return this.get(0).scale.x;console.assert("number"===typeof a&&1===arguments.length);this.each(function(b){b.scale.x=a});return this});tQuery.Object3D.registerInstance("scaleY",function(a){if(void 0===a)return this.get(0).scale.y;console.assert("number"===typeof a&&1===arguments.length);this.each(function(b){b.scale.y=a});return this});
-tQuery.Object3D.registerInstance("scaleZ",function(a){if(void 0===a)return this.get(0).scale.z;console.assert("number"===typeof a&&1===arguments.length);this.each(function(b){b.scale.z=a});return this});
-tQuery.Object3D.registerInstance("scaleBy",function(a){"number"===typeof a&&1===arguments.length?a=new THREE.Vector3(a,a,a):"number"===typeof a&&3===arguments.length&&(a=new THREE.Vector3(arguments[0],arguments[1],arguments[2]));console.assert(a instanceof THREE.Vector3,"Object3D.rotate parameter error");this.each(function(b){b.scale.multiplySelf(a)});return this});tQuery.Object3D.registerInstance("scaleXBy",function(a){return this.scaleBy(a,1,1)});
-tQuery.Object3D.registerInstance("scaleYBy",function(a){return this.scaleBy(1,a,1)});tQuery.Object3D.registerInstance("scaleZBy",function(a){return this.scaleBy(1,1,a)});tQuery.World.registerInstance("fullpage",function(){console.log("world.fullpage() is obsolete. use world.boilerplate() instead.");return this.boilerplate()});
-tQuery.World.registerInstance("boilerplate",function(a){var b=document.body;b.style.margin="0";b.style.padding="0";b.style.overflow="hidden";this.appendTo(b);this._renderer.setSize(b.offsetWidth,b.offsetHeight);this.addBoilerplate(a);return this});
-tQuery.World.registerInstance("pageTitle",function(a){"string"===typeof a&&(a=document.querySelector(a));console.assert(a instanceof HTMLElement,".pageTitle(element) needs a HTMLElement");a.style.position="absolute";a.style.width="100%";a.style.textAlign="center";a.style.fontWeight="bolder";a.style.fontColor="white";a.style.paddingTop="0.5em";a.style.fontFamily="arial";return this});
-tQuery.World.registerInstance("addBoilerplate",function(a){console.assert(!0!==this.hasBoilerplate());a=tQuery.extend(a,{stats:!0,cameraControls:!0,windowResize:!0,screenshot:!0,fullscreen:!0});var b={};this.tRenderer().domElement.style.display="block";tQuery.data(this,"_boilerplateCtx",b);var c=this.tCamera(),d=this.tRenderer();a.stats&&(b.stats=new Stats,b.stats.domElement.style.position="absolute",b.stats.domElement.style.bottom="0px",d.domElement.parentNode&&d.domElement.parentNode.appendChild(b.stats.domElement),
-b.loopStats=function(){b.stats.update()},this.loop().hook(b.loopStats));a.cameraControls&&(b.cameraControls=new THREEx.DragPanControls(c),this.setCameraControls(b.cameraControls));a.windowResize&&(b.windowResize=THREEx.WindowResize.bind(d,c));a.screenshot&&(b.screenshot=THREEx.Screenshot.bindKey(d));a.fullscreen&&THREEx.FullScreen.available()&&(b.fullscreen=THREEx.FullScreen.bindKey());b._$onDestroy=this.bind("destroy",function(){!1!==this.hasBoilerplate()&&this.removeBoilerplate()});return this});
-tQuery.World.registerInstance("hasBoilerplate",function(){return void 0===tQuery.data(this,"_boilerplateCtx")?!1:!0});
-tQuery.World.registerInstance("removeBoilerplate",function(){var a=tQuery.data(this,"_boilerplateCtx");if(void 0===a)return this;tQuery.removeData(this,"_boilerplateCtx");this.unbind("destroy",this._$onDestroy);a.stats&&document.body.removeChild(a.stats.domElement);a.stats&&this.loop().unhook(a.loopStats);a.cameraControls&&this.removeCameraControls();a.windowResize&&a.windowResize.stop();a.screenshot&&a.screenshot.unbind();a.fullscreen&&a.fullscreen.unbind()});var THREEx=THREEx||{};
-THREEx.WindowResize=function(a,b){var c=function(){a.setSize(window.innerWidth,window.innerHeight);b.aspect=window.innerWidth/window.innerHeight;b.updateProjectionMatrix()};window.addEventListener("resize",c,!1);return{stop:function(){window.removeEventListener("resize",c)}}};THREEx.WindowResize.bind=function(a,b){return THREEx.WindowResize(a,b)};THREEx=THREEx||{};
-(function(){var a=function(a,c,d,e){var f=function(a,b){return function(){return a.apply(b,arguments)}}(function(){var a,b,f=document.createElement("canvas");f.width=c;f.height=d;var q=f.getContext("2d");q.fillStyle="black";q.fillRect(0,0,f.width,f.height);a=f.width;var s=f.height,t=g.width;b=g.height;var v=b/t;t>=a&&1>=v?(t=a,b=a*v):b>=s&&(b=s,t=s/v);a=t;q.drawImage(g,(f.width-a)/2,(f.height-b)/2,a,b);f=f.toDataURL("image/png");e&&e(f)},this),g=new Image;g.onload=f;g.src=a};THREEx.Screenshot={toDataURL:function(a,
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-function microAjax(a,b,c){this.bindFunction=function(a,b){return function(){return a.apply(b,[b])}};this.stateChange=function(a){4==this.request.readyState&&this.callbackFunction(this.request.responseText)};this.getRequest=function(){return window.ActiveXObject?new ActiveXObject("Microsoft.XMLHTTP"):window.XMLHttpRequest?new XMLHttpRequest:!1};this.postBody=c||"";this.callbackFunction=b;this.url=a;if(this.request=this.getRequest())b=this.request,b.onreadystatechange=this.bindFunction(this.stateChange,
-this),""!==this.postBody?(b.open("POST",a,!0),b.setRequestHeader("X-Requested-With","XMLHttpRequest"),b.setRequestHeader("Content-type","application/x-www-form-urlencoded"),b.setRequestHeader("Connection","close")):b.open("GET",a,!0),b.send(this.postBody)}var \u03c0=Math.PI,\u03c4=2*\u03c0;(function(a){for(var b in a)if(!window[b])throw"Error: ThreeBox requires "+a[b];})({THREE:"Three.js",tQuery:"tQuery.js (bundle)"});window.ThreeBox={};
-window.threeBox=function(a,b){!a||a instanceof Node||(b=a,a=null);return tQuery.createWorld(b).threeBox(a,b)};MicroEvent.prototype.on=function(){MicroEvent.prototype.bind.apply(this,arguments);return this};MicroEvent.prototype.emit=function(){MicroEvent.prototype.trigger.apply(this,arguments);return this};MicroEvent.mixin=function(a){for(var b=["bind","unbind","trigger","on","emit"],c=0;c<b.length;c++)a.prototype[b[c]]=MicroEvent.prototype[b[c]]};tQuery.World.prototype.on=tQuery.World.prototype.addEventListener;
-tQuery.World.prototype.emit=tQuery.World.prototype.dispatchEvent;tQuery.World.registerInstance("threeBox",function(a,b){!a||a instanceof Node||(b=a,a=null);var c=a=a||document.body;a==document.body?(c.style.margin=0,c.style.padding=0,c.style.overflow="hidden"):(getComputedStyle(a),"static"==a.position&&(a.position="relative"));this.appendTo(c);this.addThreeBox(a,b||{});return this});
-tQuery.World.registerInstance("addThreeBox",function(a,b){console.assert(!0!==this.hasThreeBox());b=tQuery.extend(b,{cameraControls:!1,cursor:!0,controlClass:ThreeBox.OrbitControls,elementResize:!0,fullscreen:!0,screenshot:!0,stats:!0,scale:1});this.tRenderer().domElement.style.display="block";var c={};tQuery.data(this,"_threeBoxContext",c);var d=this.tCamera(),e=this.tRenderer();b.stats&&(c.stats=new Stats,c.stats.domElement.style.position="absolute",c.stats.domElement.style.left="10px",c.stats.domElement.style.top=
-"10px",a&&a.appendChild(c.stats.domElement),c.loopStats=function(){c.stats.update()},this.loop().hook(c.loopStats));if(b.cameraControls){var f=this.loop(),g=this.render.bind(this);c.cameraControls=new b.controlClass(d,a,b);if(c.cameraControls.on)c.cameraControls.on("change",function(){f._timerId||g()});this.setCameraControls(c.cameraControls)}b.elementResize&&(c.elementResize=ThreeBox.ElementResize.bind(e,d,a,b).on("resize",function(a,b){this._opts.renderW=a;this._opts.renderH=b;this.emit("resize",
-a,b)}.bind(this)));null!==b.cursor&&(c.cursor=ThreeBox.Cursor.bind(a,b));THREEx&&THREEx.Screenshot&&b.screenshot&&(c.screenshot=THREEx.Screenshot.bindKey(e));THREEx&&THREEx.FullScreen&&b.fullscreen&&THREEx.FullScreen.available()&&(c.fullscreen=THREEx.FullScreen.bindKey());c._$onDestroy=this.bind("destroy",function(){!1!==this.hasThreeBox()&&this.removeThreeBox()});return this});tQuery.World.registerInstance("hasThreeBox",function(){return void 0===tQuery.data(this,"_threeBoxContext")?!1:!0});
-tQuery.World.registerInstance("removeThreeBox",function(){var a=tQuery.data(this,"_threeBoxContext");if(void 0===a)return this;tQuery.removeData(this,"_threeBoxContext");this.unbind("destroy",this._$onDestroy);a.stats&&(document.body.removeChild(a.stats.domElement),this.loop().unhook(a.loopStats));a.cameraControls&&this.removeCameraControls()&&a.cameraControls.stop();a.elementResize&&a.elementResize.unbind();a.cursor&&a.cursor.unbind();a.screenshot&&a.screenshot.unbind();a.fullscreen&&a.fullscreen.unbind()});
-ThreeBox.ElementResize=function(a,b,c,d){this.scale=d.scale||1;this.orbit=d.orbit;d=this.callback=function(){var d=Math.floor(c.offsetWidth),f=Math.floor(c.offsetHeight);a.domElement.style.position="absolute";a.domElement.style.width=d+"px";a.domElement.style.height=f+"px";var g=Math.floor(d/this.scale),h=Math.floor(f/this.scale);a.setSize(g,h);b.aspect=d/f;b instanceof THREE.OrthographicCamera&&(b.top=this.orbit/2,b.bottom=-b.top,b.left=-b.top*b.aspect,b.right=-b.bottom*b.aspect);b.updateProjectionMatrix();
-this.emit("resize",g,h)}.bind(this);window.addEventListener("resize",d,!1);c.addEventListener("resize",d,!1);setTimeout(d,0)};ThreeBox.ElementResize.bind=function(a,b,c,d){return new ThreeBox.ElementResize(a,b,c,d)};ThreeBox.ElementResize.prototype.scale=function(a){this.scale=a};ThreeBox.ElementResize.prototype.unbind=function(){window.removeEventListener("resize",callback);domElement.removeEventListener("resize",callback)};MicroEvent.mixin(ThreeBox.ElementResize);
-ThreeBox.OrbitControls=function(a,b,c){this.element=b;this.camera=a;this.options=tQuery.extend(c,{phi:\u03c4/4,theta:0.3,orbit:2,lookAt:[0,0,0],speed:2});this.init();this.start();this.update()};
-ThreeBox.OrbitControls.prototype={init:function(){this.width=this.element&&this.element.offsetWidth;this.height=this.element&&this.element.offsetHeight;this.phi=this.options.phi;this.theta=this.options.theta;this.orbit=this.options.orbit;this.speed=this.options.speed;this.lookAt=new THREE.Vector3;this.lookAt.set.apply(this.lookAt,this.options.lookAt||[])},start:function(){var a=this;this._mouseDown=function(b){a.width=a.element&&a.element.offsetWidth;a.height=a.element&&a.element.offsetHeight;a.drag=
-!0;a.lastHover=a.origin={x:b.pageX,y:b.pageY};b.preventDefault()};this._mouseUp=function(){a.drag=!1};this._mouseMove=function(b){if(a.drag){var c={x:b.pageX-a.origin.x,y:b.pageY-a.origin.y},d={x:b.pageX-a.lastHover.x,y:b.pageY-a.lastHover.y};a.lastHover={x:b.pageX,y:b.pageY};a.moved(a.origin,c,d)}};this.element&&(this.element.addEventListener("mousedown",this._mouseDown,!1),document.addEventListener("mouseup",this._mouseUp,!1),document.addEventListener("mousemove",this._mouseMove,!1))},stop:function(){this.element&&
-(this.element.removeEventListener("mousedown",this._mouseDown),document.removeEventListener("mouseup",this._mouseUp),document.removeEventListener("mousemove",this._mouseMove))},moved:function(a,b,c){this.phi+=c.x*this.speed/this.width;this.theta=Math.min(\u03c0/2,Math.max(-\u03c0/2,this.theta+c.y*this.speed/this.height));this.emit("change")},update:function(){this.camera.position.x=Math.cos(this.phi)*Math.cos(this.theta)*this.orbit;this.camera.position.y=Math.sin(this.theta)*this.orbit;this.camera.position.z=
-Math.sin(this.phi)*Math.cos(this.theta)*this.orbit;this.camera.position.addSelf(this.lookAt);this.camera.lookAt(this.lookAt)}};ThreeBox.OrbitControls.bind=function(a,b,c){return new ThreeBox.OrbitControls(a,b,c)};MicroEvent.mixin(ThreeBox.OrbitControls);
-ThreeBox.Cursor=function(a,b){function c(){f||(a.style.cursor=d);clearTimeout(e);f=!1;e=setTimeout(function(){f=!0;a.style.cursor="none"},g)}var d=b.cameraControls?"move":"default",e=null,f=!1,g=2E3;b.cursor?a.style.cursor=d:(a.addEventListener("mousemove",c),a.style.cursor="none");return{unbind:function(){a.removeEventListener("mousemove",c)}}};ThreeBox.Cursor.bind=function(a,b){return ThreeBox.Cursor(a,b)};
-ThreeBox.preload=function(a,b){a instanceof Function&&(b=a,a=[]);a="string"==typeof a?[a]:a;var c=a.length,d={},e=function(a){_.extend(d,a||{});0==--c&&b(d)},f=ThreeBox.preload,g={},h={html:f.html,jpg:f.image,png:f.image,gif:f.image,mp3:f.audio};_.each(h,function(a,b){g[b]=RegExp("\\."+b+"$")});_.each(a,function(a){_.each(h,function(b,c){if(a.match(g[c])){var d=a.split(/\//g).pop().replace(/\.[A-Za-z0-9]+$/,"");b(a,d,e)}})})};
-ThreeBox.preload.html=function(a,b,c){new microAjax(a,function(b){var e;(e=b.match(/^<script[^>]*type=['"]text\/javascript['"][^>]*>([\s\S]+?)<\/script>$/m))?(b=document.createElement("script"),b.type="text/javascript",b.innerHTML=e[1],document.body.appendChild(b)):(e=document.createElement("div"),e.innerHTML=b,document.body.appendChild(e));console.log("Loaded HTML ",a);c()})};
-ThreeBox.preload.image=function(a,b,c){THREE.ImageUtils.loadTexture(a,null,function(d){var e={};e[b]=d;console.log("Loaded texture ",a);c(e)})};ThreeBox.preload.audio=function(a,b,c){var d=new XMLHttpRequest;d.open("GET",a,!0);d.responseType="arraybuffer";d.onload=function(){var e={};e[b]=d.response;console.log("Loaded audio ",a);c(e)};d.send()};(function(a){for(var b in a)if(!window[b])throw"Error: ThreeRTT requires "+a[b];})({THREE:"Three.js"});window.ThreeRTT=window.ThreeRTT||{};
-ThreeRTT.World=function(){};ThreeRTT.getShader=function(a){var b=document.getElementById(a);return b&&b.innerText||a};_.loop=function(a,b){for(var c=0;c<a;++c)b(c)};ThreeRTT.getShader=function(a){var b=document.getElementById(a);return b&&(b.innerText||b.textContent)||a};ThreeRTT.isPowerOfTwo=function(a){return 0===(a&a-1)};ThreeRTT.toTarget=function(a){return ThreeRTT.Stage&&a instanceof ThreeRTT.Stage?a.target:ThreeRTT.World&&a instanceof ThreeRTT.World?a.target():a};
-ThreeRTT.toTexture=function(a,b){a=ThreeRTT.toTarget(a);return ThreeRTT.RenderTarget&&a instanceof ThreeRTT.RenderTarget?a.read():a};MicroEvent.prototype.on=function(){MicroEvent.prototype.bind.apply(this,arguments);return this};MicroEvent.prototype.emit=function(){MicroEvent.prototype.trigger.apply(this,arguments);return this};MicroEvent.mixin=function(a){for(var b=["bind","unbind","trigger","on","emit"],c=0;c<b.length;c++)a.prototype[b[c]]=MicroEvent.prototype[b[c]]};
-ThreeRTT.Stage=function(a,b){b=_.extend({history:0,camera:{},scene:null},b);b.camera.aspect=b.camera.aspect||b.width/b.height;this.camera=ThreeRTT.Camera(b.camera);this.target=new ThreeRTT.RenderTarget(a,b);this.reset();this.size(b.width,b.height)};
-ThreeRTT.Stage.prototype={options:function(){return this.target.options},reset:function(){this.scenes=[];this.passes=[]},paint:function(a,b){var c=new THREE.Scene;if(!b){var d=new ThreeRTT.FragmentMaterial(this,"generic-fragment-texture"),d=this._surface(d);c.add(d)}c.add(a);this.scenes.push(c);this.passes.push(1)},iterate:function(a,b){var c=this._surface(b),d=new THREE.Scene;d.add(c);this.scenes.push(d);this.passes.push(a);return this},fragment:function(a){this.iterate(1,a);return this},size:function(a,
-b){a=Math.floor(a);b=Math.floor(b);this.camera.aspect=a/b;this.camera.updateProjectionMatrix();this.target.size(a,b);return this},read:function(a){return this.target.read(a)},uniform:function(){return this.target.uniform()},render:function(){this.target.clear();_.each(this.passes,function(a,b){_.loop(a,function(a){this.target.render(this.scenes[b],this.camera)}.bind(this))}.bind(this));return this},clear:function(){this.target.clear();return this},destroy:function(){this.target.deallocate();this.scenes=
-[];this.passes=[];this.target=this.camera=null},_surface:function(a){var b=new THREE.Mesh(new ThreeRTT.ScreenGeometry,{});b.frustumCulled=!1;b.material=a;b.renderDepth=Infinity;return b}};ThreeRTT.Compose=function(a,b,c,d){THREE.Object3D.call(this);a=new ThreeRTT.FragmentMaterial(a,b,c,d);b=new ThreeRTT.ScreenGeometry;a=this.mesh=new THREE.Mesh(b,a);a.frustumCulled=!1;this.add(a)};ThreeRTT.Compose.prototype=new THREE.Object3D;
-ThreeRTT.Camera=function(a){if(a instanceof THREE.Camera)return a;a=_.extend({aspect:1,far:1E4,fov:85,near:0.01,ortho:!1,scale:1},a);if(a.ortho){var b=a.scale,c=a.aspect;return new THREE.OrthographicCamera(-b*c,b*c,-b,b,a.near,a.far)}return new THREE.PerspectiveCamera(a.fov,a.aspect,a.near,a.far)};
-ThreeRTT.RenderTarget=function(a,b){this.options=b=_.extend({width:256,height:256,texture:{},clear:{color:!1,depth:!1,stencil:!1},clearColor:16777215,clearAlpha:1,history:0,scene:null,camera:null,autoAdvance:!0},b);this.renderer=a;ThreeRTT.isPowerOfTwo(b.width)&&ThreeRTT.isPowerOfTwo(b.height)||b.texture.minFilter||(b.texture.minFilter=THREE.LinearFilter);this.history(this.options.history,!0);this.size(b.width,b.height);this.clear()};
-ThreeRTT.RenderTarget.prototype={read:function(a){a=Math.max(0,Math.min(this.options.history,Math.abs(a||0)));return this.virtuals[a]},write:function(){return this.targets[this.index]},history:function(a,b){void 0!==a&&(this._history=a,this.buffers=a+2,b||this.allocate());return this._history},size:function(a,b){void 0!==a&&void 0!==b&&(this.width=Math.max(1,Math.floor(a)),this.height=Math.max(1,Math.floor(b)),this.allocate());return{width:this.width,height:this.height}},deallocate:function(){this.deallocateTargets()},
-allocate:function(){this.deallocateTargets();this.allocateTargets();this.allocateVirtuals()},deallocateTargets:function(){_.each(this.targets||[],function(a){a.dispose()}.bind(this))},allocateTargets:function(){var a=this.options;n=this.buffers;var b=this.targets=[];_.loop(n,function(c){b.push(new THREE.WebGLRenderTarget(this.width,this.height,a.texture));b[c].__index=c}.bind(this))},allocateVirtuals:function(){var a=this.targets[0],b=this.virtuals||[];n=Math.max(1,this.buffers-1);n>b.length?_.loop(n-
-b.length,function(){b.push(a.clone())}.bind(this)):b=b.slice(0,n);_.each(b,function(a,b){a.width=this.width;a.height=this.height;a.__index=b}.bind(this));this.virtuals=b;this.index=-1;this.advance()},advance:function(){var a=this.targets,b=this.virtuals,c=this.index,d=this.buffers,e=b.length;this.index=c=(c+1)%d;_.loop(e,function(f){var g=b[f];f=a[(e-f+c)%d];g.__webglTexture=f.__webglTexture;g.__webglFramebuffer=f.__webglFramebuffer;g.__webglRenderbuffer=f.__webglRenderbuffer;g.__index=f.__index})},
-clear:function(){var a=this.options,b=a.clear,c=this.renderer,d=c.getClearColor().clone(),e=c.getClearAlpha();c.setClearColor(a.clearColor,a.clearAlpha);c.clearTarget(this.write(),b.color,b.depth,b.stencil);c.setClearColor(d,e)},render:function(a,b){this.emit("render",a,b);var c=this.renderer.autoClear;this.renderer.autoClear=!1;this.clear();this.renderer.render(a,b,this.write());this.renderer.autoClear=c;this.options.autoAdvance&&this.advance()},uniform:function(a){var b=this.history();if(b){var c=
-[];_.loop(b+1,function(a){c.push(this.read(-a))}.bind(this));return{type:"tv",value:c,count:b+1}}return{type:"t",value:a,texture:this.read(),count:1}}};MicroEvent.mixin(ThreeRTT.RenderTarget);ThreeRTT.ScreenGeometry=function(){return new THREE.PlaneGeometry(2,2,1,1)};
-ThreeRTT.ShaderMaterial=function(a,b,c,d,e){if(d instanceof Array){var f={};_.each(d,function(a,b){f["texture"+(i+1)]=a});d=f}else if(d instanceof THREE.Texture||d instanceof ThreeRTT.World||d instanceof THREE.WebGLRenderTarget)d={texture1:d};a instanceof Array||(a=[a]);a=_.map(a,function(a){return ThreeRTT.toTarget(a)});e=_.extend(e||{},{sampleStep:{type:"v2",value:new THREE.Vector2}});_.each(d,function(a,b){e[b]={type:"t",value:ThreeRTT.toTexture(a)}});_.each(a,function(a,b){var c="texture"+(b+
-1);a.read&&!e[c]&&(e[c]={type:"t",value:a.read()})});e.texture1&&!e.texture&&(e.texture=e.texture1);a[0].on("render",function(){var b=a[0].options.texture,c=b.wrapT,d={1E3:0,1001:1,1002:0},f=e.sampleStep.value;f.x=1/(a[0].width-(d[b.wrapS]||0));f.y=1/(a[0].height-(d[c]||0))});return new THREE.ShaderMaterial({uniforms:e,vertexShader:ThreeRTT.getShader(b||"generic-vertex"),fragmentShader:ThreeRTT.getShader(c||"generic-fragment-texture")})};
-ThreeRTT.FragmentMaterial=function(a,b,c,d){a=new ThreeRTT.ShaderMaterial(a,"generic-vertex-screen",b,c,d);a.side=THREE.DoubleSide;a.depthTest=!1;a.depthWrite=!1;a.transparent=!0;a.blending=THREE.NoBlending;return a};
-ThreeRTT.ScaleMaterial=function(a,b,c){var d={};a=ThreeRTT.toTarget(a);b=ThreeRTT.toTarget(b);d=_.extend(d,{sampleAlignment:{type:"v2",value:new THREE.Vector2},texture:{type:"t",value:a.read()}});b.on("render",function(){var e=a,g=b,h=g.height*c/e.height,l=d.sampleAlignment.value;l.x=g.width*c/e.width;l.y=h});var e=new THREE.ShaderMaterial({uniforms:d,vertexShader:ThreeRTT.getShader("rtt-vertex-downsample"),fragmentShader:ThreeRTT.getShader("generic-fragment-texture")});e.side=THREE.DoubleSide;e.depthTest=
-!1;e.depthWrite=!1;e.transparent=!0;e.blending=THREE.NoBlending;return e};ThreeRTT.DownsampleMaterial=function(a,b){return new ThreeRTT.ScaleMaterial(a,b,2)};ThreeRTT.UpsampleMaterial=function(a,b){return new ThreeRTT.ScaleMaterial(a,b,0.5)};
-ThreeRTT.RaytraceMaterial=function(a,b,c,d,e){a instanceof Array||(a=[a]);c=new ThreeRTT.ShaderMaterial(a,"raytrace-vertex-screen",c,d,e);e=_.extend(c.uniforms||{},{raytraceViewport:{type:"v2",value:new THREE.Vector2},raytracePosition:{type:"v3",value:new THREE.Vector3},raytraceMatrix:{type:"m4",value:new THREE.Matrix4}});a=ThreeRTT.toTarget(a[0]);var f=new THREE.Vector3;a.on("render",function(a){b.updateMatrixWorld();b.fov&&(a=Math.tan(b.fov*\u03c0/360),e.raytraceViewport.value.set(a*b.aspect,a));
-b.matrixWorld&&(e.raytraceMatrix.value.copy(b.matrixWorld),e.raytraceMatrix.value.setPosition(f),e.raytracePosition.value.getPositionFromMatrix(b.matrixWorld))});return c};ThreeRTT.Display=function(a,b,c){a instanceof Array||(a=[a]);this.gx=b||a.length;this.gy=c||1;this.targets=a;this.n=a.length;THREE.Object3D.call(this);this.make()};
-ThreeRTT.Display.prototype=_.extend(new THREE.Object3D,{make:function(){for(var a=this.n,b=this.gx,c=this.gy,d=this.targets,e=(b-1)/2,f=(c-1)/2,g=new THREE.PlaneGeometry(1,1,1,1),h=0,l=0;h<a&&l<c;++l)for(var k=0;h<a&&k<b;++k,++h){var q=new THREE.MeshBasicMaterial({color:16777215,map:ThreeRTT.toTexture(d[h]),fog:!1});q.side=THREE.DoubleSide;q=new THREE.Mesh(g,q);q.renderDepth=1E4+Math.random();this.add(q);1<b&&(q.position.x=-e+k);1<c&&(q.position.y=f-l)}}});
-ThreeRTT.World=function(a,b){b=b||{};b=_.extend({autoRendering:!0,autoSize:!(b.width&&b.height),order:++ThreeRTT.World.sequence,scale:1},b);b.width=!b.autoSize&&b.width||(a._opts&&a._opts.renderW||256)/b.scale;b.height=!b.autoSize&&b.height||(a._opts&&a._opts.renderH||256)/b.scale;a.on("resize",function(a,d){b.autoSize&&(a/=b.scale,d/=b.scale,this.size(a,d))}.bind(this));this._options=b;this._world=a;this._autoRendering=b.autoRendering;this._renderer=a.tRenderer();this._stage=new ThreeRTT.Stage(this._renderer,
-b);this._tScene=this._stage.scene;this._tCamera=this._stage.camera;this.queue=ThreeRTT.RenderQueue.bind(a);b.autoRendering&&this.queue.add(this);this.size(b.width,b.height,!0)};ThreeRTT.World.sequence=1E5;
-ThreeRTT.World.prototype=_.extend(new THREE.Object3D,tQuery.World.prototype,{stage:function(){return this._stage},target:function(){return this._stage.target},autoSize:function(a){void 0!==a&&(this._options.autoSize=a);return this._options.autoSize},adjust:function(a){var b=this._options.scale,c=this._options.width,d=this._options.height;this._options.autoSize&&(d=this._world._opts,c=d.renderW,d=d.renderH);c/=b;d/=b;this._opts={renderW:c,renderH:d};a||this._stage.size(c,d)},scale:function(a){return a?
-(this._options.scale=a,this.adjust(),this):this._options.scale},size:function(a,b,c){return a&&b?(this._options.width=a,this._options.height=b,this.adjust(c),this):{width:this._options.width,height:this._options.height}},options:function(){return this._stage.options()},reset:function(){this._stage.reset();return this},paint:function(a,b){this._stage.paint(a,b);return this},iterate:function(a,b,c,d){b=b instanceof THREE.Material?b:tQuery.createFragmentMaterial(this,b,c,d);this._stage.iterate(a,b);
-return this},shader:function(a,b,c,d){a=a instanceof THREE.Material?a:tQuery.createShaderMaterial(this,a,b,c,d);this._stage.fragment(a);return this},fragment:function(a,b,c){a=a instanceof THREE.Material?a:tQuery.createFragmentMaterial(this,a,b,c);this._stage.fragment(a);return this},raytrace:function(a,b,c,d){a=b instanceof THREE.Material?b:tQuery.createRaytraceMaterial(this,a,b,c,d);this._stage.fragment(a);return this},downsample:function(a){if(!a.autoSize()){var b=a.size();this._options.width=
-b.width;this._options.height=b.height}b=a.scale();this.scale(2*b);a=tQuery.createDownsampleMaterial(a,this);this._stage.fragment(a);return this},upsample:function(a){if(!a.autoSize()){var b=a.size();this._options.width=b.width;this._options.height=b.height}b=a.scale();this.scale(0.5*b);a=tQuery.createUpsampleMaterial(a,this);this._stage.fragment(a);return this},read:function(a){return this._stage.read(a)},uniform:function(){return this._stage.uniform()},render:function(){this._stage.render();return this},
-destroy:function(){this._stage.destroy();this._stage=null;this.queue.remove(this);this.trigger("destroy");return this}});tQuery.pluginsInstanceOn(ThreeRTT.World);tQuery.MicroeventMixin(ThreeRTT.World.prototype);ThreeRTT.RenderQueue=function(a){this.world=a;this.queue=[];this.callback=null;this.renderer=a.tRenderer()};
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-g){var h=f[0];value=h.apply(c||0);h.done()&&(c=h.extra(),this.dequeue(a,g),f[0]&&e.call(this,f,g))}.bind(this))}.bind(this))}};MathBox.Animator.Delay=function(a,b,c){this.object=a;this.key=b;this.duration=c;this.fraction=this.start=0};
-MathBox.Animator.Delay.prototype={init:function(a){this.start=MathBox.Animator.now-(a||0)},apply:function(a){this.start||this.init(a);this.fraction=0<this.duration?Math.min(1,(MathBox.Animator.now-this.start)/this.duration):1},skip:function(){this.duration=0},hurry:function(a){this.duration=this.duration*this.fraction+this.duration*(1-this.fraction)/a},extra:function(){return MathBox.Animator.now-this.start-this.duration},done:function(){return 1==this.fraction}};
-MathBox.Animator.Animation=function(a,b,c,d,e,f){this.object=a;this.key=b;this.from=null;this.to=c;this.duration=d;this.fraction=this.start=0;this.callback=e;this.ease=f};
-MathBox.Animator.Animation.prototype={init:function(a){this.start=MathBox.Animator.now-(a||0);null===this.from&&(this.from=this.object.get(this.key));void 0===this.from&&(this.from=0)},apply:function(a){function b(a,b){return a+(b-a)*l}function c(a,e){void 0===e&&(e=a);void 0===a&&(a=e);if(e===a)return a;if(typeof a!=typeof e)throw console.log(d,f),"Data type mismatch between from/to values in animator. "+f+": "+a+" ("+a.constructor+"), "+e+"("+e.constructor+")";var g;switch(typeof e){default:case "string":throw"Unimplemented value type in animator. ("+
-typeof e+")";case "function":return function(){return c(a.apply(this,arguments),e.apply(this,arguments))};case "boolean":return 0.5<h?e:a;case "number":return b(a,e);case "object":if(!a)return e;if(!e)return a;if(e.constructor==Array)return g=[],_.loop(a.length,function(b){g[b]=c(a[b],e[b])}),g;if(e.constructor==THREE.Matrix4){g=new THREE.Matrix4;for(var l=0;16>l;++l)g.elements[l]=b(a.elements[l],e.elements[l]);return g}return e.constructor==THREE.Vector3?(g=new THREE.Vector3,g.x=b(a.x,e.x),g.y=b(a.y,
-e.y),g.z=b(a.z,e.z),g):e.constructor==THREE.Color?(g=new THREE.Color,g.r=b(a.r,e.r),g.g=b(a.g,e.g),g.b=b(a.b,e.b),g):0.5<h?e:a}}this.start||this.init(a);var d=this.object;a=this.from;var e=this.to,f=this.key,g=this.ease,h;this.fraction=h=0<this.duration?Math.min(1,(MathBox.Animator.now-this.start)/(this.duration||1)):1;var l;switch(g){case "in":l=1-(1-h)*(1-h);break;case "out":l=h*h;break;case "linear":l=h;break;default:l=0.5-0.5*Math.cos(h*\u03c0)}a=c(a,e);this.object.set(this.key,a,!0)},hurry:function(a){this.duration=
-this.duration*this.fraction+this.duration*(1-this.fraction)/a},skip:function(){this.duration=0;this.fraction=1;this.done()},extra:function(){return MathBox.Animator.now-this.start-this.duration},done:function(){return 1==this.fraction?(this.object.set(this.key,this.to,!0),this.callback&&this.callback(),this.callback=null,!0):!1}};
-MathBox.Stage=function(a,b,c){this.options=a=a||{};this._world=b;this.overlay=c;b&&b.on("resize",function(a,b){this.overlay.size(a,b);this.width=a;this.height=b}.bind(this));this.primitives=[];this.materials=new MathBox.Materials(this);this.animator=new MathBox.Animator;this._transition=0;this._speed=1;b&&(this.cameraProxy=new MathBox.CameraProxy(b,this.options));this.viewport({});this.loadPrimitives();void 0!==a.transition&&this.transition(a.transition);void 0!==a.speed&&this.speed(a.speed)};
-MathBox.Stage.prototype=new THREE.Object3D;MathBox.Attributes.mixin(MathBox.Stage);MicroEvent.mixin(MathBox.Stage);
-MathBox.Stage.prototype=_.extend(MathBox.Stage.prototype,{update:function(){var a=this._viewport,b=this._world.tCamera(),c=this.width,d=this.height,e=this._speed;this.cameraProxy.update();var f=+new Date;this.last||(this.last=f-1E3/60);this.animator.update(e*(f-this.last));this.last=f;a.update(this);_.each(this.primitives,function(e){e.adjust(a,b,c,d,this);e=e.renderables();_.each(e,function(e){e.isVisible()&&e.adjust(a,b,c,d,this)}.bind(this))}.bind(this));this.overlay&&this.overlay.update(b)},add:function(a,
-b){if(a instanceof THREE.Object3D)return a instanceof MathBox.Sprite?this.overlay.add(a):THREE.Object3D.prototype.add.call(this,a);this._add(a);b=this.animateOptions(b);var c=a.style.get("opacity");b&&0<c&&(a.style.set("opacity",0),this.animator.animate(a.style,{opacity:c},b));return this},remove:function(a,b){if(a instanceof THREE.Object3D)return a instanceof MathBox.Sprite?this.overlay.remove(a):THREE.Object3D.prototype.remove.call(this,a);if("string"==typeof a)return _.each(this.select(a),function(a){this.remove(a,
-b)}.bind(this));if(!a.singleton){var c=function(){this._remove(a)}.bind(this);b=this.animateOptions(b);var d=a.style.get("opacity");b&&0<d?(b.callback=c,this.animator.animate(a.style,{opacity:0},b),a.removed=!0):c();return this}},_add:function(a){var b=this.materials;-1==this.primitives.indexOf(a)&&(this.primitives.push(a),a.make(),a=a.renderables(),_.each(a,function(a){a.make(b);a.object&&this.add(a.object)}.bind(this)))},_remove:function(a){if(-1!=this.primitives.indexOf(a)){this.primitives.splice(this.primitives.indexOf(a),
-1);var b=a.renderables();_.each(b,function(a){a.object&&this.remove(a.object);a.destroy()}.bind(this));a.destroy()}},select:function(a,b){var c=[];if("object"==typeof a)return a.constructor==Array?a:[a];var d=function(a){var c=[];if("*"==a)return c=this.primitives.slice(),c.push(this.viewport()),c.push(this.cameraProxy),c;if(a==+a)return _.each(this.primitives,function(d){!b&&d.removed||d.get("sequence")!=a||c.push(d)}),c;var d=a.match(/^\s*#([a-zA-Z0-9_-]+)|([a-zA-Z0-9_-]+)?\s*$/);if(!d)return[];
-var h=d[2],l=d[1];if(l)_.each(this.primitives,function(a){!b&&a.removed||a.get("id")!=l||c.push(a)});else{if("camera"==h)return this.cameraProxy&&[this.cameraProxy]||[];if("viewport"==h)return[this.viewport()];h&&_.each(this.primitives,function(a){!b&&a.removed||a.type()!=h||c.push(a)})}return c}.bind(this),c=[];a=(""+a).split(",");_.each(a,function(a){c=c.concat(d(a))});return c},set:function(a,b){b=this.extractStyle(b);_.each(this.select(a),function(a){a.set(b);b.style&&a.style.set(b.style)});return this},
-get:function(a){var b=this.animator;a=this.select(a);if(1>a.length)return{};var c=a[0];a=b.finalState(c);c.style&&(b=b.finalState(c.style),a.style=b);return a},transition:function(a){return void 0!==a?(this._transition=a,this):this._transition},speed:function(a){return void 0!==a?(this._speed=a,this):this._speed},animateOptions:function(a,b){var c=this._transition;!0===a&&(a={});if(c||b||a&&(a.delay||a.duration||a.hold))a=_.extend({delay:0,duration:c||0,hold:0},a||{});if(a&&(a.delay||a.duration||
-a.hold))return a},animate:function(a,b,c){var d=this.animator;b=this.extractStyle(b);c=this.animateOptions(c,!0);b.style&&(_.each(this.select(a),function(a){c?d.animate(a.style,b.style,c):a.style.set(b.style)}),b=_.extend({},b),delete b.style);_.each(this.select(a),function(a){c?d.animate(a,b,c):a.set(b)});return this},clone:function(a,b,c){_.each(this.select(a),function(a){var e=this.get(a);delete e.sequence;var f=_.extend({},b),g=[];_.each(b,function(a,c){if("id"==c||"boolean"==typeof a||null===
-a)e[c]=b[c],g.push(c)});_.each(g,function(a){delete f[a]});e.id==a.get("id")&&(e.id=(e.id||"")+"-clone");a=this.spawn(a.type(),e,{duration:0});this.animate(a,f,c)}.bind(this));return this},hurry:function(a,b,c){var d=this.animator;_.each(this.select(a,!0),function(a){d.hurry(a,b,c);a.style&&d.hurry(a.style,b,c)});return this},halt:function(a,b){var c=this.animator;_.each(this.select(a,!0),function(a){c.stop(a,b);a.style&&c.stop(a.style,b)});return this},viewport:function(a){if(void 0!==a){if(!this._viewport||
-a.type&&a.type!=this.options.viewport.type){this._viewport&&(a=_.extend({},this._viewport.get(),a));this._viewport=MathBox.Viewport.make(a);a=this.primitives.slice();var b=this;_.each(a,function(a){b._remove(a);b._add(a)})}else this._viewport.set(a);this.options.viewport=this._viewport.get();return this}return this._viewport},camera:function(a){_.each(this.select("camera"),function(b){b.set(a)});return this},start:function(){this._world&&this._world.start();return this},stop:function(){this._world&&
-this._world.stop();return this},world:function(){return this._world},extractStyle:function(a){var b=MathBox.Style.prototype.defaults(),c=null;_.each(a,function(d,e){void 0!==b[e]&&(delete a[e],c=c||{},c[e]=d)});c&&(a.style=_.extend(a.style||{},c));return a},spawn:function(a,b,c){return MathBox.Primitive.types[a]?(this[a](b,c),this.primitives[this.primitives.length-1]):this},loadPrimitives:function(){_.each(MathBox.Primitive.types,function(a,b){this[b]=function(b,d){a.validateArgs&&(b=a.validateArgs(b));
-var e=new a(this.extractStyle(b));this.add(e,d);return this}}.bind(this))}});MathBox.Materials=function(a){this.stage=a;this.cache={}};
-MathBox.Materials.prototype={hash:function(a){var b=Object.keys(a),c="";b.sort();_.each(b,function(b){c+=b+"/";c+=a[b]+"/"});return c},clone:function(a){var b=new THREE.ShaderMaterial({vertexShader:a.vertexShader,fragmentShader:a.fragmentShader});b.attributes=a.attributes?{}:null;b.uniforms={};b.wireframe=a.wireframe;b.applyUniforms=a.applyUniforms;b.applyAttributes=a.applyAttributes;_.each(a.uniforms,function(a,d){b.uniforms[d]={type:a.type,value:a.value&&a.value.clone?a.value.clone():a.value}});
-_.each(a.attributes,function(a,d){b.attributes[d]={type:a.type,value:a.value}});return b},generic:function(a){a=a||{};if(!a.shaders||!Object.keys(a.shaders).length){var b=this.hash(a);if(this.cache[b])return this.clone(this.cache[b])}var c=this.factory(),d=a.shaders||{};d.position?d.position(c,this):(this.position(c,a),a.absolute||(a.shaded&&a.smooth?(c.group(),this.viewport(c),c.next(),this.viewport(c),c.next(),this.viewport(c),c.combine()):this.viewport(c)));a=this.finalize(c,a);b&&(this.cache[b]=
-a);return a},position:function(a,b){b=b||{};a.snippet(b.shaded&&b.smooth?"getPositionDUDV":"getPosition");b.absolute||(b.shaded&&b.smooth?a.group().snippet("mathTransform").next().snippet("mathTransform").next().snippet("mathTransform").combine():a.snippet("mathTransform"));return a},factory:function(){return new ShaderGraph.Factory},finalize:function(a,b){b=b||{};var c=b.shaders||{};b.shaded?b.smooth?a.snippet("projectToViewDUDV"):a.snippet("projectToViewNormal"):a.snippet("projectToView");c.material?
-c.material(a,this):a.material("vertexOutput",{points:"fragmentSolidPoint",mesh:b.shaded?"fragmentShaded":"fragmentSolid"}[b.type]||"fragmentSolid");c=a.end().compile();c=new THREE.ShaderMaterial({uniforms:c.uniforms,attributes:c.attributes,vertexShader:c.vertexShader,fragmentShader:c.fragmentShader});b.wireframe&&(c.wireframe=!0);var d=this.apply.bind(this);c.applyUniforms=function(a){d(this,a,"uniforms")};c.applyAttributes=function(a){d(this,a,"attributes")};return c},apply:function(a,b,c){var d=
-a[c];_.each(b,function(a,b){var c=d[b];c&&(a instanceof THREE.Color&&(a.x=a.r,a.y=a.g,a.z=a.b),c.value=a,c.needsUpdate=!0)});if("uniforms"==c){c=a.uniforms;if(b.map&&(c.texture&&(c.texture.value=b.map),c.offsetRepeat)){var e=b.map.offset,f=b.map.repeat;c.offsetRepeat.value.set(e.x,e.y,f.x,f.y)}void 0!==b.lineWidth&&(a.wireframeLinewidth=a.linewidth=b.lineWidth);void 0!==b.opacity&&(a.transparent=1>b.opacity)}},viewport:function(a,b){this.stage.viewport().shader(a,b)}};
-MathBox.Ticks=function(a,b,c,d,e,f,g){var h=(b-a)/(c||10);d=d||1;e=e||10;var l=d*((g||0)+Math.pow(e,Math.floor(Math.log(h/d)/Math.log(e))));c=_.map(0==e%2?[e/2,1,0.5]:[1],function(a){return l*a});var k=_.reduce(c,function(a,b){return Math.abs(b-h)<Math.abs(a-h)?b:a},l);f=+!f;a=(Math.ceil(a/k)+f)*k;b=(Math.floor(b/k)-f)*k;c=Math.ceil((b-a)/k)+1;var q=[];_.loop(c,function(b){q.push(a+b*k)});return q};MathBox.TicksLog=function(a,b,c,d,e,f){};
-tQuery.World.registerInstance("mathBox",function(a,b){a=a||document.body;this.threeBox(a,b);var c=new MathBox.Overlay;a.appendChild(c.domElement);c.domElement.style.position="absolute";c.domElement.style.left=0;c.domElement.style.top=0;c.domElement.style.right=0;c.domElement.style.bottom=0;var d=new MathBox.Stage(b,this,c),e=function(){d.update()};this.tScene().add(d);this._renderer.setClearColorHex(16777215,1);d.unhook=function(){this.loop().unhookPreRender(e)};this.loop().hookPreRender(e);b.cameraControls||
-(c=this.tCamera(),c.position.x=0,c.position.y=0,c.position.z=b.orbit,c.lookAt(new THREE.Vector3(0,0,0)));return d});MathBox.Director=function(a,b){this._stage=a;this.script=b||[];this.rollback={};this.clocks={};this.time=this.lastCommand=this.step=0;this.lastTime=+new Date};
-MathBox.Director.prototype={clock:function(a,b){if(a>this.step)return 0;var c=+new Date;this.time+=(c-this.lastTime)*this.stage().speed();this.lastTime=c;if(b||!this.clocks[a])this.clocks[a]=this.time;return 0.001*(this.time-this.clocks[a])},invert:function(a){var b=this._stage,c=[],d,e=a[0],f=a[1],g=a[2]||{},h=a[3];"remove"==e&&(h=g);h={delay:h&&void 0!==h.hold?h.hold/4:0,duration:h&&void 0!==h.duration?h.duration/4:0,hold:h&&void 0!==h.delay?h.delay/4:0};switch(e){case "add":d=[0];case "clone":d=
-d||b.select(f);_.each(d,function(a,b){c.push(["remove",g.sequence||MathBox.Primitive.sequence+1+b,h])});break;case "remove":d=b.select(f);_.each(d,function(a){c.push(["add",a.type(),b.get(a),h])});break;case "animate":case "set":d=b.select(f),_.each(d,function(a){var d=b.get(a),f={};for(i in g)f[i]=d.style&&void 0!==d.style[i]?d.style[i]:d[i];c.push([e,a.singleton||a.get("sequence"),f,h])})}return c},invertDelay:function(a){function b(a){var b=a[2]||{},c=["opacity"];if("animate"==a[0])for(d in c=
-[],b)if("style"==d)for(j in b.style)c.push(j);else c.push(d);return c}var c=[],d,e={};a.forEach(function(a){var c=a[0],d=a[1]||"",f=a[2]||{},g=a[3]||{};if("set"==c)return null;"add"==c&&(d=f.sequence);"remove"==c&&(g=f);b(a).forEach(function(a){a=[d,a].join(".");e[a]||(e[a]=[]);g=g||{};e[a].push((g.delay||0)+(g.duration||0)+(g.hold||0))})});var f=0;for(d in e)var g=e[d]=e[d].reduce(function(a,b){return a+b}),f=Math.max(f,g);a.forEach(function(a){var d=a[0],g=a[1]||"",q=a[2]||{},s=a[3]||{},t;if("set"==
-d)return c.push(a);"add"==d&&(t=g,g=q.sequence);"remove"==d&&(s=q);b(a).forEach(function(a){var b=[g,a].join("."),h=s.delay||0,x=s.duration||0,y=s.hold||0;void 0!==e[b]&&(h+=f-e[b],delete e[b]);s={delay:h,duration:x,hold:y};"add"==d&&c.push([d,t,q,s]);"remove"==d?c.push([d,g,s]):(b={},b[a]=q.style&&void 0!==q.style[a]?q.style[a]:q[a],c.push([d,g,b,s]))})});return c},apply:function(a,b,c,d){var e=this._stage;_.each(a,function(a){var g=a[0]||"",h=a[1]||"",l=a[2]||{},k=a[3]||{};"remove"==g&&(k=l);b&&
-(a=this.invert(a),a=[0,0].concat(a),Array.prototype.splice.apply(b,a));d&&k&&(k=_.extend({},k),k.delay/=2,k.duration/=2,k.hold/=2);c&&(k={delay:0,duration:0,hold:0},"animate"==g&&(g="set"));switch(g){case "clone":e.clone(h,l,k);break;case "add":e.spawn(h,l,k);break;case "remove":_.each(e.select(h),function(a){e.remove(a,k)});break;case "set":var g=e.select(h),q=l.constructor==Array;_.each(g,function(a,b){e.set(a,q?l[b]:l)});break;case "animate":g=e.select(h),q=l.constructor==Array,_.each(g,function(a,
-b){e.animate(a,q?l[b]:l,k)})}}.bind(this));return this},insert:function(a){a[0].constructor!=Array&&(a=[a]);this.script.splice(this.step,0,a);this.forward();return this},is:function(a){if(!this.script.length)return!1;for(;0>a;)a+=this.script.length+1;for(;a>=this.script.length+1;)a-=this.script.length+1;return a==this.step},isFirst:function(){return this.is(0)},isLast:function(){return this.is(-1)},go:function(a,b){if(this.script.length){for(;0>a;)a+=this.script.length+1;for(;a>=this.script.length+
-1;)a-=this.script.length+1;for(;a>this.step;)this.forward(b);for(;a<this.step;)this.back(b)}},skipping:function(){var a=+new Date,b=!1;500>a-this.lastCommand&&(b=!0);this.stage().hurry("*");this.lastCommand=a;return b},forward:function(a,b){if(!(this.step>=this.script.length)){var c=this.step,d=this.script[c],e=this.rollback[c]=[];this.step++;var f=function(){this.apply(d,e,a,a?!1:this.skipping());this.rollback[c]=this.invertDelay(e);this.clock(c+1,!0);this.emit("go",c+1,1)}.bind(this);b?setTimeout(f,
-+b):f();return this}},back:function(a,b){if(!(0>=this.step)){this.step--;var c=this.step,d=this.rollback[c],e=function(){this.apply(d,null,a||this.skipping());delete this.rollback[c];this.emit("go",c,-1)}.bind(this);b?setTimeout(e,+b):e();return this}},stage:function(){return this._stage}};_.each(MathBox.Stage.prototype,function(a,b){MathBox.Director.prototype[b]||(MathBox.Director.prototype[b]=function(){var b=this.stage[a].apply(this.stage,arguments);return b===this.stage?this:b})});MicroEvent.mixin(MathBox.Director);
-MathBox.Style=function(a){var b=this.defaults();a=_.extend(b,a||{});this.set(a)};
-MathBox.Style.prototype={defaults:function(){return{color:new THREE.Color(3178736),opacity:1,lineWidth:2,pointSize:5,mathScale:new THREE.Vector3(1,1,1),mathRotation:new THREE.Vector3,mathPosition:new THREE.Vector3,worldScale:new THREE.Vector3(1,1,1),worldRotation:new THREE.Vector3,worldPosition:new THREE.Vector3,zIndex:0,map:null,mapColor:0,mapOpacity:0}},validateColor:function(a){if(a.constructor==Array){a=a.concat([0,0,0]);var b=new THREE.Color;return b.setRGB.apply(b,a)}return a.constructor==Number?
-new THREE.Color(a):a.constructor!=THREE.Color?this.get("color"):a},validateMathScale:function(a){if(a.constructor==Array){a=a.concat([1,1,1]);var b=new THREE.Vector3;return b.set.apply(b,a)}return a.constructor!=THREE.Vector3?this.get("mathScale"):a},validateMathRotation:function(a){if(a.constructor==Array){a=a.concat([0,0,0]);var b=new THREE.Vector3;return b.set.apply(b,a)}return a.constructor!=THREE.Vector3?this.get("mathRotation"):a},validateMathPosition:function(a){if(a.constructor==Array){a=
-a.concat([0,0,0]);var b=new THREE.Vector3;return b.set.apply(b,a)}return a.constructor!=THREE.Vector3?this.get("mathPosition"):a},validateWorldScale:function(a){if(a.constructor==Array){a=a.concat([1,1,1]);var b=new THREE.Vector3;return b.set.apply(b,a)}return a.constructor!=THREE.Vector3?this.get("worldScale"):a},validateWorldRotation:function(a){if(a.constructor==Array){a=a.concat([0,0,0]);var b=new THREE.Vector3;return b.set.apply(b,a)}return a.constructor!=THREE.Vector3?this.get("worldRotation"):
-a},validateWorldPosition:function(a){if(a.constructor==Array){a=a.concat([0,0,0]);var b=new THREE.Vector3;return b.set.apply(b,a)}return a.constructor!=THREE.Vector3?this.get("worldPosition"):a}};MathBox.Attributes.mixin(MathBox.Style);
-MathBox.CameraProxy=function(a,b){this.set({orbit:void 0===b.orbit?3.5:b.orbit,phi:void 0===b.phi?\u03c4/4:b.phi,theta:b.theta||0,lookAt:b.lookAt||[0,0,0]});this.singleton="camera";var c=this.controls=a.getCameraControls()||ThreeBox.OrbitControls.bind(a.tCamera(),null,this.get());this.on("change",function(a){_.each(a,function(a,b){"lookAt"!=b&&(c[b]=a)});a.lookAt&&c.lookAt.set.apply(c.lookAt,a.lookAt);c.update()});c.update();this.update=function(){this.set({orbit:c.orbit,phi:c.phi,theta:c.theta},
-null,!0);var a=this.get("lookAt");a[0]=c.lookAt.x;a[1]=c.lookAt.y;a[2]=c.lookAt.z}};MathBox.Attributes.mixin(MathBox.CameraProxy);MathBox.Overlay=function(){(this.domElement=document.createElement("div")).className="mathbox-overlay";this.sprites=[];this.v=new THREE.Vector3;this.q=new THREE.Vector3};
-MathBox.Overlay.prototype={size:function(a,b){this.width=a;this.height=b;this.domElement.style.width=a+"px";this.domElement.style.height=b+"px"},add:function(a){-1==this.sprites.indexOf(a)&&(this.sprites.push(a),a.element.parentNode||this.domElement.appendChild(a.element),_.each(a.children,function(a){this.add(a)}.bind(this)))},remove:function(a){var b;-1!=(b=this.sprites.indexOf(a))&&(this.sprites.splice(b,1),a.element.parentNode&&a.element.parentNode.removeChild(a.element),_.each(a.children,function(a){this.remove(a)}.bind(this)))},
-update:function(a){this.fov=0.5/Math.tan(a.fov*Math.PI/360)*this.height;_.each(this.sprites,function(b){this._update(b,a)}.bind(this));_.each(this.sprites,function(b){this._measure(b,a)}.bind(this));_.each(this.sprites,function(b){this._vis(b,a)}.bind(this))},_measure:function(a,b){if(a.measure){var c=a.element;a.width=c.offsetWidth;a.height=c.offsetHeight;a.measure=!1}},_vis:function(a,b){if(a.render&&(a.width||a.height)){var c=a.left,d=a.top,e=a.width+c,f=a.height+d;found=!1;_.each(this.sprites,
-function(b){if(b===a)found=!0;else if(found&&b.render){var h=b.left,l=b.top,k=b.width+h,q=b.height+l;e<h||c>k||f<l||d>q||(b.element.style.display="none",b.render=!1)}})}},_update:function(a,b){for(var c=this.v,d=this.q,e=a.render,f=a.visible,g=a.parent;f&&g;)f=f&&g.visible,g=g.parent;a.render=f&&0<a.opacity;if(a.render)e||(a.element.style.display="block"),c.copy(a.position),b.matrixWorldInverse.multiplyVector3(c),e=-(c.x/c.z)*this.fov+0.5*this.width,f=c.y/c.z*this.fov+0.5*this.height,a.distance&&
-(d.copy(a.tangent).multiplyScalar(0.01),d.addSelf(a.position),b.matrixWorldInverse.multiplyVector3(d),g=0<a.distance?1:-1,d.subSelf(c),d.z=0,d.normalize().multiplyScalar(a.distance),e+=Math.abs(d.y)*g,f+=Math.abs(d.x)*g),e=Math.round(e),f=Math.round(f),a.left!==e&&(a.left=e,a.element.style.left=e+"px"),a.top!==f&&(a.top=f,a.element.style.top=f+"px"),a.lastOpacity!==a.opacity&&(a.element.style.opacity=a.opacity,a.lastOpacity=a.opacity);else if(e||null===e)a.element.style.display="none"}};
-MathBox.Sprite=function(a,b,c){this.element=a;this.tangent=b||new THREE.Vector3(1,0,0);this.distance=c||0;this.height=this.width=0;this.measure=this.visible=!0;this.render=null;this.content="";this.lastOpacity=this.lastTop=this.lastLeft=null;a.style.position="absolute";a.style.left=0;a.style.top=0;a.style.opacity=0;THREE.Object3D.call(this)};MathBox.Sprite.prototype=_.extend(new THREE.Object3D,{});
-MathBox.Primitive=function(a){if(null!==a){var b=this.defaults();a&&(a.style=_.extend(b.style,a.style||{}),a=_.extend(b,a||{}));a=a||b;this.set(a);this.style=new MathBox.Style;this.style.set(this.get().style||{});this.on("change",function(a){void 0!==a.style&&this.style.set(a.style)}.bind(this));this.set("sequence",a.sequence||++MathBox.Primitive.sequence);this.set("id",a.id||this.sequence);this.init()}};MathBox.Primitive.sequence=0;MathBox.Primitive.types={};
-MathBox.Primitive.prototype={defaults:function(){return{}},type:function(){return"primitive"},init:function(){},make:function(){},destroy:function(){},renderables:function(){return[]},adjust:function(a){}};MathBox.Attributes.mixin(MathBox.Primitive);MicroEvent.mixin(MathBox.Primitive);MathBox.Curve=function(a){null!==a&&MathBox.Primitive.call(this,a)};
-MathBox.Curve.prototype=_.extend(new MathBox.Primitive(null),{defaults:function(){return{n:64,domain:[0,1],data:null,expression:function(){return 0},live:!0,points:!1,line:!0,style:{}}},type:function(){return"curve"},renderables:function(){return[this.line,this.points]},adjust:function(a){a=this.get();this.line.show(a.line);this.points.show(a.points);(a.line||a.points)&&0<this.style.get("opacity")&&a.live&&this.calculate()},make:function(){var a=this.get(),b=this.style,c=a.n,d=this.vertices=[];_.loop(c,
-function(){d.push(new THREE.Vector3)});c=function(c){return new MathBox.Renderable.Mesh(d,{type:c,dynamic:a.live},b)};this.line=c("line");this.points=c("points");this.calculate()},calculate:function(){var a=this.vertices,b=this.get(),c=b.data,d=b.domain,e=b.n,f=d[0],g=(d[1]-f)/(e-1),h;_.loop(e,function(d){h=c&&void 0!==c[d]?c[d]:b.expression.call(this,f,d);var e=0,q=0,s=0;if(h instanceof Array){var t=h.length;0<t&&(e=h[0]);1<t&&(q=h[1]);2<t&&(s=h[2])}else e=f,q=+h;a[d].set(e,q,s);f+=g}.bind(this))}});
-MathBox.Primitive.types.curve=MathBox.Curve;MathBox.Bezier=function(a){MathBox.Curve.call(this,a)};
-MathBox.Bezier.prototype=_.extend(new MathBox.Curve(null),{defaults:function(){return{n:64,domain:[0,1],data:null,order:3,expression:function(){return 0},live:!0,points:!1,line:!0,style:{}}},type:function(){return"bezier"},calculate:function(){var a=this.vertices,b=this.get(),c=b.domain,d=b.data,e=b.order,f=b.n;if(1>e||3<e)throw"Bezier curve order must be 1, 2 or 3.";var g=[],h;_.loop(e+1,function(a){h=d&&void 0!==d[a]?d[a]:b.expression.call(this,a,a);var c=a=0,e=0;if(h instanceof Array){var f=h.length;
-0<f&&(a=h[0]);1<f&&(c=h[1]);2<f&&(e=h[2])}else a=k,c=+h;g.push(new THREE.Vector3(a,c,e))}.bind(this));var l={bezierPoints:g},k=c[0],q=(c[1]-k)/(f-1);_.loop(f,function(b){a[b].set(k,0,0);k+=q});c={uniforms:l,shaders:{position:function(a,b){a.snippet("bezier"+e).snippet("mathTransform");b.viewport(a)}}};this.line.set(c);this.points.set(c)}});MathBox.Primitive.types.bezier=MathBox.Bezier;
-MathBox.Axis=function(a){null!==a&&(MathBox.Primitive.call(this,a),this.on("change",function(a){void 0!==a.size&&this.arrow&&this.arrow.set("size",a.size)}))};
-MathBox.Axis.prototype=_.extend(new MathBox.Primitive(null),{defaults:function(){return{axis:0,offset:[0,0,0],n:2,arrow:!0,line:!0,labels:!1,decimals:2,distance:15,ticks:10,tickUnit:1,tickScale:10,size:0.07,style:{lineWidth:4,color:new THREE.Color(7368816)},formatter:null,zero:!0}},renderables:function(){return[this.line,this.ticks,this.arrow,this.labels]},type:function(){return"axis"},adjust:function(a,b){var c=this.get(),d=c.axis,e=c.offset,f=c.arrow,g=c.line,h=c.labels,l=c.n,k=c.ticks,q=c.tickUnit,
-s=c.tickScale,c=c.decimals,t=this.points,v=this.labelPoints,u=this.labelTangent,w=this.tickPoints,x=this.tickSigns,y=[0,0,0],A=new THREE.Vector3;new THREE.Vector4;var C=a.axis(d),B=C[0],C=C[1],z=(C-B)/(l-1);A.set.apply(A,e);_.loop(l,function(a){y[d]=B+a*z;t[a].set.apply(t[a],y);t[a].addSelf(A)});this.line.show(g);this.arrow.show(f);l=this.scale=MathBox.Ticks(B,C,k,q,s,!0);this.ticks.show(!!k);if(k){k=Math.floor(w.length/2);l.length>k&&(l=l.slice(0,k));var k=[0,0,0],D;k[2==d?0:1-d]=0.01*(C-B);this.epsilon.set.apply(this.epsilon,
-k);y=[0,0,0];_.each(l,function(a,b){y[d]=a;var c=2*b;w[c].set.apply(w[c],y);w[c].addSelf(A);x[c]=1;w[c+1].copy(w[c]);x[c+1]=-1;v[b].copy(w[c]);D=c+1});k=D+1;for(l=w.length;k<l;)w[k].copy(w[D]),x[k]=x[D],k++}y=[0,0,0];y[d]=1;u.set.apply(u,y);this.labels.show(!!h);this.labels.set("decimals",c)},make:function(){var a=this.get(),b=a.n,c=a.size,d=a.ticks,e=a.distance,f=a.formatter,g=this.style,h=this.points=[],l=this.labelPoints=[],k=this.labelTangent=new THREE.Vector3,q=this.tickPoints=[],s=this.tickSigns=
-[],t=this.epsilon=new THREE.Vector3;_.loop(b,function(a){h.push(new THREE.Vector3)});_.loop(4*d,function(a){l.push(new THREE.Vector3)});_.loop(8*d,function(a){q.push(new THREE.Vector3);s.push(1)});var d={dynamic:!0,size:c,offset:0.5},c={dynamic:!0,size:0.2*c},e={dynamic:!0,distance:e},v=function(b){b=this.scale[b];return 0!=b||a.zero?f?f(b):b:""}.bind(this);this.line=new MathBox.Renderable.Mesh(h,{dynamic:!0,type:"line"},g);this.arrow=new MathBox.Renderable.ArrowHead(h[b-2],h[b-1],d,g);this.ticks=
-new MathBox.Renderable.Ticks(q,s,t,c,g);this.labels=new MathBox.Renderable.Labels(l,k,v,e,g)}});MathBox.Axis.validateArgs=function(a){"number"==typeof a&&(a={axis:a});return a};MathBox.Primitive.types.axis=MathBox.Axis;MathBox.Grid=function(a){null!==a&&MathBox.Primitive.call(this,a)};
-MathBox.Grid.prototype=_.extend(new MathBox.Primitive(null),{defaults:function(){return{axis:[0,1],offset:[0,0,0],show:[!0,!0],n:2,ticks:[10,10],tickUnit:[1,1],tickScale:[10,10],style:{lineWidth:1,color:new THREE.Color(10526880)}}},type:function(){return"grid"},renderables:function(){return this.lines||[]},adjust:function(a){function b(a,b,c,d,e){var f=k.slice(),g=0,h=MathBox.Ticks(b.min,b.max,b.ticks,b.tickUnit,b.tickScale,!0);h.length>d&&(h=h.slice(0,d));_.each(h,function(d){f[b.axis]=d+k[b.axis];
-f[c.axis]=c.min+k[c.axis];_.loop(e-1,function(b){a[g].set.apply(a[g],f);g++;f[c.axis]+=c.inv;a[g].set.apply(a[g],f);g++})});d=Math.max(0,g-1);for(h=a.length;g<h;)a[g++].copy(a[d])}var c=this.get(),d=c.axis,e=c.ticks,f=c.tickUnit,g=c.tickScale,h=c.n,l=c.show,k=c.offset,c=this.points,q=this.limit,s=[];"number"==typeof h&&(h=[h,h]);_.each(d,function(b,c){var d=a.axis(b);s.push({axis:b,min:d[0],max:d[1],inv:(d[1]-d[0])/(h[c]-1),ticks:e[c],tickUnit:f[c],tickScale:g[c]})});this.lines[0].show(l[0]);this.lines[1].show(l[1]);
-l[0]&&b(c[0],s[1],s[0],q[0],h[0]);l[1]&&b(c[1],s[0],s[1],q[1],h[1])},make:function(a){var b=this.get();a=b.ticks;var c=b.n,d=this.points=[[],[]],b=this.style;"number"==typeof c&&(c=[c,c]);var e=this.limit=[0,0];_.each(a,function(a,b){b=1-b;e[b]=4*a;_.loop(e[b]*(c[b]-1)*2,function(a){d[b].push(new THREE.Vector3)})});this.lines=[];this.lines.push(new MathBox.Renderable.Mesh(d[0],{type:"line",strip:!1,dynamic:!0},b));this.lines.push(new MathBox.Renderable.Mesh(d[1],{type:"line",strip:!1,dynamic:!0},
-b))}});MathBox.Primitive.types.grid=MathBox.Grid;MathBox.Vector=function(a){null!==a&&(MathBox.Primitive.call(this,a),this.render=[],this.arrows=[],this.line=this.points=this.vertices=null,this.on("change",function(a){void 0!==a.size&&_.each(this.arrows,function(c){c.set("size",a.size)})}))};MathBox.Vector.vLast=new THREE.Vector3;MathBox.Vector.vCurrent=new THREE.Vector3;
-MathBox.Vector.prototype=_.extend(new MathBox.Primitive(null),{defaults:function(){return{n:1,data:null,arrow:!0,expression:function(){return 0},live:!0,style:{},size:0.07}},type:function(){return"vector"},renderables:function(){return this.render},adjust:function(a){var b=this.get();0<this.style.get("opacity")&&(b.arrow||b.live)&&this.calculate(a);_.each(this.arrows,function(a){a.show(b.arrow)})},make:function(){var a=this.get(),b=a.arrow,c=this.style,d=a.n,e=this.vertices=[],f=this.points=[],g=
-this.render=[],h=this.arrows=[],l={dynamic:a.live,type:"line",strip:!1},k={size:a.size},q=0;_.loop(d,function(){e.push(new THREE.Vector3);e.push(new THREE.Vector3);f.push(new THREE.Vector3);f.push(new THREE.Vector3);if(b){var a=new MathBox.Renderable.ArrowHead(f[q++],f[q++],k,c);g.push(a);h.push(a)}});this.line=new MathBox.Renderable.Mesh(e,l,c);g.push(this.line);this.calculate()},calculate:function(a){var b=this.vertices,c=this.arrows,d=this.points,e=this.get(),f=e.data,g=e.arrow,h=e.n,l=e.size,
-k=this.style.get("mathScale"),q=0,s=0;_.loop(2*h,function(h){p=f&&void 0!==f[h]?f[h]:e.expression.call(this,s,q);var v=0,u=0,w=0;if(p instanceof Array){var x=p.length;0<x&&(v=p[0]);1<x&&(u=p[1]);2<x&&(w=p[2])}else v=h,u=+p,w=0;d[h].set(v,u,w);b[h].set(v,u,w);a&&g&&1==h%2&&(v=MathBox.Vector.vLast,u=MathBox.Vector.vCurrent,u.copy(b[h]),v.copy(b[h-1]),a.to(u),a.to(v),u.subSelf(v).multiplySelf(k),x=u.length(),w=Math.min(1,0.5*x/l),w=(1-(1-w)*(1-w))*l,x-=w,u.normalize().multiplyScalar(x).divideSelf(k).addSelf(v),
-a.from(u),b[h].copy(u),c[s].set({size:w}));s=q?s+1:s;q=(q+1)%2}.bind(this))}});MathBox.Primitive.types.vector=MathBox.Vector;MathBox.Surface=function(a){null!==a&&MathBox.Primitive.call(this,a)};
-MathBox.Surface.prototype=_.extend(new MathBox.Primitive(null),{defaults:function(){return{n:[64,64],domain:[[0,1],[0,1]],data:null,expression:function(){return 0},live:!0,points:!1,line:!1,mesh:!0,doubleSided:!0,flipSided:!1,shaded:!0,style:{}}},type:function(){return"surface"},renderables:function(){return[this.mesh,this.line,this.points]},adjust:function(a){a=this.get();this.mesh.show(a.mesh);this.line.show(a.line);this.points.show(a.points);(a.mesh||a.line||a.points)&&0<this.style.get("opacity")&&
-a.live&&this.calculate()},make:function(){var a=this.get(),b=this.style,c=a.n;"number"==typeof c&&(c=[c,c]);var d=this.geometry=new THREE.PlaneGeometry(2,2,c[0]-1,c[1]-1);this.vertices=d.vertices;this.mesh=new MathBox.Renderable.Mesh(d,{type:"mesh",doubleSided:a.doubleSided,flipSided:a.flipSided,shaded:a.shaded,smooth:!0,dynamic:a.live},b);this.line=new MathBox.Renderable.Mesh(d,{type:"mesh",shaded:a.shaded,smooth:!0,dynamic:a.live,wireframe:!0},b);this.points=new MathBox.Renderable.Mesh(d.vertices,
-{type:"points",dynamic:a.live},b);if(a.shaded){var e=this.tangents=[[],[]];_.loop(c[0]*c[1],function(){e[0].push(new THREE.Vector3);e[1].push(new THREE.Vector3)})}this.calculate()},calculate:function(){var a=this.vertices,b=this.tangents,c=this.get(),d=c.data,e=c.domain,f=c.n,g=c.flipSided,h=g?1:0,g=g?0:1;"number"==typeof f&&(f=[f,f]);var l=e[0][0],k=e[1][0],q=(e[0][1]-l)/(f[0]-1),s=(e[1][1]-k)/(f[1]-1),t,v=0;_.loop(f[1],function(b){l=e[0][0];_.loop(f[0],function(e){t=d&&void 0!==d[b]&&void 0!==d[b][e]?
-d[b][e]:c.expression.call(this,l,k,e,b,v);var f=e=0,g=0;if(t instanceof Array){var h=t.length;0<h&&(e=t[0]);1<h&&(f=t[1]);2<h&&(g=t[2])}else e=l,f=+t,g=k;a[v].set(e,f,g);l+=q;v++}.bind(this));k+=s}.bind(this));if(c.shaded){var v=0,k=e[1][0],u=f[0];_.loop(f[1],function(c){l=e[0][0];var d=c?c-1:0,g=Math.min(f[1]-1,c+1);_.loop(f[0],function(e){var h=e?e-1:0,k=Math.min(f[0]-1,e+1),s=a[e+c*u];k==e?b[0][v].sub(s,a[h+c*u]).addSelf(s):b[0][v].copy(a[k+c*u]);g==c?b[1][v].sub(s,a[e+d*u]).addSelf(s):b[1][v].copy(a[e+
-g*u]);l+=q;v++});k+=s});this.line.set("attributes",{positionDU:b[h],positionDV:b[g]});this.mesh.set("attributes",{positionDU:b[h],positionDV:b[g]})}}});MathBox.Primitive.types.surface=MathBox.Surface;MathBox.BezierSurface=function(a){this.matrixX=new THREE.Matrix4;this.matrixY=new THREE.Matrix4;this.matrixZ=new THREE.Matrix4;this.coefficients=new THREE.Matrix4(-1,3,-3,1,3,-6,3,0,-3,3,0,0,1,0,0,0);MathBox.Surface.call(this,a)};
-MathBox.BezierSurface.prototype=_.extend(new MathBox.Surface(null),{defaults:function(){return{n:[64,64],domain:[[0,1],[0,1]],data:null,order:3,expression:function(){return 0},live:!0,points:!1,line:!1,mesh:!0,doubleSided:!0,flipSided:!1,shaded:!0,style:{}}},type:function(){return"bezierSurface"},calculate:function(){var a=this.vertices,b=this.get(),c=b.domain,d=b.data,e=b.order,f=b.shaded,g=b.n;"number"==typeof g&&(g=[g,g]);if(3!=e)throw"Bezier surface order must be 3.";var h=[],l;_.loop(e+1,function(a){_.loop(e+
-1,function(c){l=d&&void 0!==d[a]&&void 0!==d[a][c]?d[a][c]:b.expression.call(this,c,a,c,a);var e=0,f=0,g=0;l instanceof Array?(c=l.length,0<c&&(e=l[0]),1<c&&(f=l[1]),2<c&&(g=l[2])):(e=c,f=+l,g=a);h.push([e,f,g])}.bind(this))}.bind(this));l=h;this.matrixX.set(l[0][0],l[1][0],l[2][0],l[3][0],l[4][0],l[5][0],l[6][0],l[7][0],l[8][0],l[9][0],l[10][0],l[11][0],l[12][0],l[13][0],l[14][0],l[15][0]);this.matrixY.set(l[0][1],l[1][1],l[2][1],l[3][1],l[4][1],l[5][1],l[6][1],l[7][1],l[8][1],l[9][1],l[10][1],l[11][1],
-l[12][1],l[13][1],l[14][1],l[15][1]);this.matrixZ.set(l[0][2],l[1][2],l[2][2],l[3][2],l[4][2],l[5][2],l[6][2],l[7][2],l[8][2],l[9][2],l[10][2],l[11][2],l[12][2],l[13][2],l[14][2],l[15][2]);var k=this.coefficients;this.matrixX.multiplySelf(k).transpose().multiplySelf(k);this.matrixY.multiplySelf(k).transpose().multiplySelf(k);this.matrixZ.multiplySelf(k).transpose().multiplySelf(k);var k={bezierSurfaceX:this.matrixX,bezierSurfaceY:this.matrixY,bezierSurfaceZ:this.matrixZ},q=c[0][0],s=c[1][0],t=(c[0][1]-
-q)/(g[0]-1),v=(c[1][1]-s)/(g[1]-1),u=0;_.loop(g[1],function(b){q=c[0][0];_.loop(g[0],function(b){a[u].set(q,s,0);q+=t;u++}.bind(this));s+=v}.bind(this));k={uniforms:k,shaders:{position:function(a,b){f?(a.snippet("bezierSurface"+e),a.group(),a.snippet("mathTransform"),b.viewport(a),a.next(),a.snippet("mathTransform"),b.viewport(a),a.next(),a.snippet("mathTransform"),b.viewport(a),a.combine()):(a.snippet("bezierSurface"+e).snippet("mathTransform"),b.viewport(a))}}};this.mesh.set(k);this.line.set(k);
-this.points.set(k)}});MathBox.Primitive.types.bezierSurface=MathBox.BezierSurface;MathBox.Platonic=function(a){null!==a&&MathBox.Primitive.call(this,a)};
-MathBox.Platonic.prototype=_.extend(new MathBox.Primitive(null),{defaults:function(){return{n:1,type:"cube",points:!1,line:!1,mesh:!0,doubleSided:!0,flipSided:!1,shaded:!0,style:{}}},type:function(){return"platonic"},renderables:function(){return[this.mesh,this.line,this.points]},adjust:function(a){a=this.get();this.mesh.show(a.mesh);this.line.show(a.line);this.points.show(a.points)},make:function(){var a=this.get(),b=this.style,c;switch(a.type){case "cube":c=new THREE.CubeGeometry(2,2,2,1,1,1)}this.mesh=
-new MathBox.Renderable.Mesh(c,{type:"mesh",doubleSided:a.doubleSided,flipSided:a.flipSided,shaded:a.shaded,smooth:!1,dynamic:a.live},b);this.line=new MathBox.Renderable.Mesh(c,{type:"mesh",shaded:a.shaded,smooth:!1,dynamic:a.live,wireframe:!0},b);this.points=new MathBox.Renderable.Mesh(c.vertices,{type:"points",dynamic:a.live},b)}});MathBox.Primitive.types.platonic=MathBox.Platonic;MathBox.Label=function(a){null!==a&&MathBox.Primitive.call(this,a)};
-MathBox.Label.prototype=_.extend(new MathBox.Primitive(null),{defaults:function(){return{position:[0,0,0],facing:1,distance:15,style:{color:new THREE.Color(7368816)},text:""}},renderables:function(){return[this.labels]},type:function(){return"label"},adjust:function(a,b){var c=this.get(),d=[0,0,0];d[c.facing]=1;c=this.labelTangent;c.set.apply(c,d);this.labels.show(!0)},make:function(){var a=this.get(),b=a.position,c=a.text,d=a.distance,a=this.style,e=this.labelTangent=new THREE.Vector3,d={dynamic:!0,
-distance:d},f=new THREE.Vector3;f.set.apply(f,b);b=function(a){return c}.bind(this);this.labels=new MathBox.Renderable.Labels([f],e,b,d,a)}});MathBox.Label.validateArgs=function(a){return a};MathBox.Primitive.types.label=MathBox.Label;
-MathBox.Renderable=function(a,b){if(null!==a){this.id=++MathBox.Renderable.id;var c=this.defaults();a&&(a=_.extend(c,a||{}));this.set(a||c);this.geometry=this.material=this.object=null;this.visible=!0;this.style=b||new MathBox.Style;this.style.on("change",this.styleCallback=this.refreshStyle.bind(this));this.on("change",this.uniformsCallback=this.refreshOptions.bind(this));this.mathTransform=new THREE.Matrix4}};MathBox.Renderable.id=0;
-MathBox.Renderable.prototype={defaults:function(){return{}},make:function(a){},destroy:function(){},show:function(a){a=void 0===a?!0:!!a;a!=this.visible&&(this.visible=a,this.refresh())},isVisible:function(){return this.object&&this.object.visible},composeTransform:function(a,b,c){var d=THREE.Matrix4.__m1,e=THREE.Matrix4.__m2;d.identity();d.setRotationFromEuler(b,this.object.eulerOrder);e.makeScale(c.x,c.y,c.z);this.mathTransform.multiply(d,e);b=this.mathTransform.elements;b[12]=a.x;b[13]=a.y;b[14]=
-a.z},refreshStyle:function(a){var b=this.style.get();a=a||b;this.material&&this.material.applyUniforms(a);if(this.object){this.object.frustumCulled=!1;a.worldPosition&&(this.object.position=b.worldPosition);a.worldRotation&&(this.object.rotation=b.worldRotation);a.worldScale&&(this.object.scale=b.worldScale);if(a.mathPosition||a.mathRotation||a.mathScale)this.composeTransform(b.mathPosition,b.mathRotation,b.mathScale),this.material&&this.material.applyUniforms({mathTransform:this.mathTransform});
-void 0!==a.opacity&&(this.object.visible=this.visible&&0<b.opacity);void 0===a.opacity&&void 0===a.zIndex||!this.material||(this.object.renderDepth=b.zIndex*(1==b.opacity?1:-1))}},refreshOptions:function(a){var b=this.get();a=a||b;if(this.material){b=this.get();if(void 0!==a.doubleSided||void 0!==a.flipSided)this.material.side=b.doubleSided?THREE.DoubleSide:b.flipSided?THREE.BackSide:THREE.FrontSide,b={flipSided:b.doubleSided&&b.flipSided?-1:1},this.material.applyUniforms(b);(b=this.get().uniforms)&&
-this.material.applyUniforms(b);(b=this.get().attributes)&&this.material.applyAttributes(b)}},refresh:function(){this.refreshStyle();this.refreshOptions()},adjust:function(a){this.material&&this.material.applyUniforms(a.uniforms())}};MathBox.Attributes.mixin(MathBox.Renderable);MathBox.Renderable.Mesh=function(a,b,c){this.points=a;MathBox.Renderable.call(this,b,c)};
-MathBox.Renderable.Mesh.prototype=_.extend(new MathBox.Renderable(null),{defaults:function(){return{type:"points",doubleSided:!0,dynamic:!1,absolute:!1,strip:!0,shaders:{}}},make:function(a){var b=this.get(),c=b.type,d=b.strip,e={points:THREE.ParticleSystem,line:THREE.Line,mesh:THREE.Mesh}[c];if(!e)throw"Invalid Mesh type '"+c+"'";a=this.material=a.generic(b);var f;f=this.points;f instanceof Array?(f=this.geometry=new THREE.Geometry,f.vertices=this.points):f=this.geometry=f;f.dynamic=b.dynamic;switch(c){case "line":b=
-new THREE.Line(f,a,d?THREE.LineStrip:THREE.LinePieces);break;default:b=new e(f,a)}this.object=b;this.refresh()},adjust:function(a){this.get().dynamic&&(this.geometry.verticesNeedUpdate=!0);MathBox.Renderable.prototype.adjust.call(this,a)}});MathBox.Renderable.ArrowHead=function(a,b,c,d){this.from=a;this.to=b;MathBox.Renderable.call(this,c,d)};MathBox.Renderable.ArrowHead.geometry=new THREE.CylinderGeometry(0.33,0,1,16,1);
-MathBox.Renderable.ArrowHead.prototype=_.extend(new MathBox.Renderable(null),{defaults:function(){return{offset:0,absolute:!0,size:0.1}},make:function(a){var b=this.get();a=this.material=a.generic(b);this._from=new THREE.Vector3;this._to=new THREE.Vector3;this.diff=new THREE.Vector3;this.bi=new THREE.Vector3;this.normal=new THREE.Vector3(0,0,1);b=this.geometry=MathBox.Renderable.ArrowHead.geometry;this.object=new THREE.Mesh(b,a);this.refresh()},isVisible:function(){return this.visible&&0<this.style.get("opacity")},
-adjust:function(a){var b=this.get(),c=b.offset,d=this._from.copy(this.from),e=this._to.copy(this.to);this.mathTransform.multiplyVector3(d);this.mathTransform.multiplyVector3(e);a.to(d);a.to(e);d=this.diff.sub(d,e);if(0.001>d.length())this.object.visible=!1;else{this.object.visible=this.visible;d=d.normalize();this.normal.x=this.diff.y+0.1;this.normal.y=this.diff.z+0.2;this.normal.z=this.diff.x+0.3;this.normal.normalize();var f=this.bi.cross(this.normal,this.diff).normalize(),g=this.normal.cross(this.bi,
-this.diff),b=b.size,e=(new THREE.Matrix4(f.x,d.x,g.x,e.x,f.y,d.y,g.y,e.y,f.z,d.z,g.z,e.z,0,0,0,1)).scale(new THREE.Vector3(b,b,b));this.object.updateMatrix();this.object.matrix.multiplySelf(e);e.identity().setPosition({x:0,y:0.5-c,z:0});this.object.matrix.multiplySelf(e);this.object.matrixAutoUpdate=!1;this.object.matrixWorldNeedsUpdate=!0;MathBox.Renderable.prototype.adjust.call(this,a)}}});
-MathBox.Renderable.Ticks=function(a,b,c,d,e){this.points=a;this.signs=b;this.epsilon=c;MathBox.Renderable.call(this,d,e)};
-MathBox.Renderable.Ticks.prototype=_.extend(new MathBox.Renderable(null),{defaults:function(){return{dynamic:!1,absolute:!1,size:0.1}},make:function(a){var b=this.get(),c=this.points;a=this.material=a.generic({type:"line",shaders:{position:function(a,c){c.position(a,b);a.snippet("tickVertexSplit");a.group();c.viewport(a);a.next();c.viewport(a);a.combine();a.snippet("tickVertexJoin")}}});var d=this.geometry=new THREE.Geometry;d.vertices=c;this.object=new THREE.Line(d,a,THREE.LinePieces);this.refresh()},
-adjust:function(a){var b=this.get();this.material&&this.material.applyAttributes({tickSign:this.signs});this.material&&this.material.applyUniforms({tickEpsilon:this.epsilon,tickSize:b.size});b.dynamic&&(this.material.attributes.tickSign.needsUpdate=!0,this.geometry.verticesNeedUpdate=!0);MathBox.Renderable.prototype.adjust.call(this,a)}});MathBox.Renderable.Labels=function(a,b,c,d,e){this.points=a;this.tangent=b;this.callback=c;this.sprites=[];MathBox.Renderable.call(this,d,e)};
-MathBox.Renderable.Labels.prototype=_.extend(new MathBox.Renderable(null),{defaults:function(){return{absolute:!0,distance:15,size:1}},make:function(a){this.get();var b=this.tangent,c=this.sprites;a=this.points.length;this._anchor=new THREE.Vector3;var d=document.createElement("div"),e=this.object=new MathBox.Sprite(d);d.className="mathbox-labels";_.loop(a,function(a){a=document.createElement("div");var d=document.createElement("div");a.appendChild(d);var h=new MathBox.Sprite(a,b);a.className="mathbox-label";
-d.className="mathbox-wrap";d.style.position="relative";d.style.display="inline-block";d.style.left="-50%";d.style.top="-.5em";c.push(h);e.add(h)})},adjust:function(a,b,c,d,e){var f=this.get(),g=this.points;b=this.sprites;var h=this.callback,l=f.decimals,k=this.style.get("opacity"),q=window.MathJax&&MathJax.Hub,s=1/Math.log(10);_.each(b,function(b,c){b.position.copy(g[c]);a.to(b.position);e.matrix.multiplyVector3(b.position);b.distance=f.distance;b.opacity=k;var d="";if(h){d=h(c);void 0===d&&(d="");
-if(+d==d){var w=+d;if(0!=w)var d=0>w?-1:1,w=Math.abs(w),x=Math.pow(10,l-1-Math.floor(Math.log(w)*s)),d=w=d*Math.round(x*w)/x}q||(d=(""+d).replace(/^-/,"\u2013"))}b.content!==d&&(w=b.element.children[0],b.content=d,b.measure=!0,q?(w.innerHTML="\\("+d+"\\)",MathJax.Hub.queue.Push(["Typeset",MathJax.Hub,w])):w.innerHTML=d)});MathBox.Renderable.prototype.adjust.call(this,a)}});
-MathBox.Viewport=function(a){if(null!==a){var b=this.defaults();a=_.extend(b,a||{});this.set(a);this.singleton="viewport";this._uniforms={}}};
-MathBox.Viewport.prototype={defaults:function(){return{type:"none",rotation:[0,0,0],position:[0,0,0]}},uniforms:function(){return this._uniforms},axis:function(a){return[0,1]},to:function(a){},from:function(a){},update:function(a){var b=this.get();_.each(["position","rotation"],function(c){a[c].set.apply(a[c],b[c])})},shader:function(a){a.snippet("mathToWorld")},validateRotation:function(a){return a.constructor==Array?(a=a.concat([0,0,0]),a.slice(0,3)):this.get("rotation")},validatePosition:function(a){return a.constructor==
-Array?(a=a.concat([0,0,0]),a.slice(0,3)):this.get("position")}};MathBox.Attributes.mixin(MathBox.Viewport,"type");MathBox.Viewport.types={};MathBox.Viewport.make=function(a){return new (MathBox.Viewport.types[a.type]||MathBox.Viewport.types.cartesian||MathBox.Viewport)(a)};
-MathBox.ViewportCartesian=function(a){if(null!==a){var b=MathBox.Viewport;b.call(this,a);this.super=b.prototype;this.transform=new THREE.Matrix4;this.inverse=new THREE.Matrix4;_.extend(this._uniforms,{viewportTransform:this.transform,viewportInverse:this.inverse})}};
-MathBox.ViewportCartesian.prototype=_.extend(new MathBox.Viewport(null),{defaults:function(){return{type:"cartesian",range:[[-1,1],[-1,1],[-1,1]],scale:[1,1,1],rotation:[0,0,0],position:[0,0,0]}},to:function(a){this.transform.multiplyVector3(a)},from:function(a){this.inverse.multiplyVector3(a)},axis:function(a){var b=this.get().range[a];a=b[0];var c=b[1],b=Math.min(a,c);a=Math.max(a,c);return[b,a]},update:function(a){var b=this.get(),c=b.range,d=b.scale,b=c[0][0],e=c[1][0],f=c[2][0],g=c[0][1]-b,h=
-c[1][1]-e,c=c[2][1]-f,l=d[0],k=d[1],d=d[2],q=[g/(2*l),0,0,b+g/2,0,h/(2*k),0,e+h/2,0,0,c/(2*d),f+c/2,0,0,0,1];this.transform.set.apply(this.transform,[2*l/g,0,0,-(2*b+g)*l/g,0,2*k/h,0,-(2*e+h)*k/h,0,0,2*d/c,-(2*f+c)*d/c,0,0,0,1]);this.inverse.set.apply(this.inverse,q);MathBox.Viewport.prototype.update.call(this,a)},validateRange:function(a){a=a||[];for(var b=0;3>b;++b){a[b]=a[b]||[];for(var c=0;2>c;++c)a[b][c]=void 0!==a[b][c]?a[b][c]:2*c-1}return a},validateScale:function(a){a=a||[];for(var b=0;3>
-b;++b)a[b]=a[b]||1;return a}});MathBox.Attributes.mixin(MathBox.Viewport);MathBox.Viewport.types.cartesian=MathBox.ViewportCartesian;MathBox.ViewportPolar=function(a){var b=MathBox.ViewportCartesian;b.call(this,a);this.super=b.prototype;_.extend(this._uniforms,{polarAlpha:0,polarAspect:1,polarPower:1,polarFold:1,polarFocus:1,polarHelix:0})};
-MathBox.ViewportPolar.prototype=_.extend(new MathBox.ViewportCartesian(null),{defaults:function(){return{type:"polar",range:[[-1,1],[-1,1],[-1,1]],polar:1,fold:1,power:1,helix:0,scale:[1,1,1],rotation:[0,0,0],position:[0,0,0]}},to:function(a){var b=this._uniforms.polarAspect,c=this._uniforms.polarFocus,d=this._uniforms.polarAlpha,e=this._uniforms.polarPower,f=this._uniforms.polarHelix;a.x*=this._uniforms.polarFold;a.y=Math.sign(a.y)*Math.pow(Math.abs(a.y),e);if(1E-4<d){var e=c+a.y*b,g=a.x*d;a.z+=
-a.x*f*d;a.x=Math.sin(g)*e;a.y=(Math.cos(g)*e-c)/b}this.transform.multiplyVector3(a)},from:function(a){var b=this._uniforms.polarAspect,c=this._uniforms.polarFocus,d=this._uniforms.polarAlpha,e=this._uniforms.polarFold,f=this._uniforms.polarPower,g=this._uniforms.polarHelix;this.inverse.multiplyVector3(a);if(1E-4<d){var h=a.x,l=a.y*b+c,k=Math.sqrt(h*h+l*l);theta=Math.atan2(h,l);a.x=theta/d;a.y=(k-c)/b;a.z-=a.x*g*d}a.x/=e;a.y=Math.sign(a.y)*Math.pow(Math.abs(a.y),1/f)},axis:function(a){var b=this.super.axis.call(this,
-a);min=b[0];max=b[1];alpha=this._uniforms.polarAlpha;aspect=this._uniforms.polarAspect;focus=this._uniforms.polarFocus;1==a&&0<alpha&&(max=Math.max(Math.abs(max),Math.abs(min)),min=Math.max(-focus/aspect+0.001,min));return[min,max]},update:function(a){var b=this.get(),c=b.range,d=b.scale,e=b.polar,f=b.fold,g=b.power,b=b.helix,h=1,l=c[0][0],k=c[1][0],q=c[2][0],s=c[0][1]-l,t=c[1][1]-k,c=c[2][1]-q,v=d[0],u=d[1],d=d[2],h=0<s?1:-1,w=Math.abs(t),w=s+(w*h-s)*e,h=Math.abs(w/v/(t/u)),x=[w/(2*v),0,0,l+s/2,
-0,t/(2*u),0,k+t/2,0,0,c/(2*d),q+c/2,0,0,0,1];this.transform.set.apply(this.transform,[2*v/w,0,0,-(2*l+s)*v/s,0,2*u/t,0,-(2*k+t)*u/t,0,0,2*d/c,-(2*q+c)*d/c,0,0,0,1]);this.inverse.set.apply(this.inverse,x);this._uniforms.polarAlpha=e;this._uniforms.polarAspect=h;this._uniforms.polarFold=f;this._uniforms.polarPower=g;this._uniforms.polarFocus=0<e?1/e-1:0;this._uniforms.polarHelix=b;MathBox.Viewport.prototype.update.call(this,a)},shader:function(a){a.snippet("polarPower").snippet("cartesianToPolar").snippet("mathToWorld")},
-validatePolar:function(a){return Math.max(0,Math.min(1,+a||0))},validateFold:function(a){return+a||0},validatePower:function(a){return+a||0},validateHelix:function(a){return+a||0}});MathBox.Attributes.mixin(MathBox.Viewport);MathBox.Viewport.types.polar=MathBox.ViewportPolar;MathBox.ViewportProjective=function(a){var b=MathBox.ViewportCartesian;b.call(this,a);this.super=b.prototype;_.extend(this._uniforms,{projectiveTransform:new THREE.Matrix4,projectiveInverse:new THREE.Matrix4})};
-MathBox.ViewportProjective.prototype=_.extend(new MathBox.ViewportCartesian(null),{defaults:function(){return{type:"projective",range:[[-1,1],[-1,1],[-1,1]],scale:[1,1,1],rotation:[0,0,0],position:[0,0,0],projective:[[1,0,0,0],[0,1,0,0],[0,0,1,0],[0,0,0,1]]}},to:function(a){this._uniforms.projectiveTransform.multiplyVector3(a);this.transform.multiplyVector3(a)},from:function(a){this.inverse.multiplyVector3(a);this._uniforms.projectiveInverse.multiplyVector3(a)},update:function(a){var b=this._uniforms.projectiveTransform,
-c=this.get("projective");b.set.apply(b,c[0].concat(c[1],c[2],c[3]));this._uniforms.projectiveInverse.getInverse(b);MathBox.ViewportCartesian.prototype.update.call(this,a)},shader:function(a){a.snippet("projectiveTransform").snippet("mathToWorld")},validateProjective:function(a){if(a.constructor==Array){for(var b=0;3>b;++b)a[b]=a[b]&&a.constructor==Array&&a[b]||[],a[b]=a[b].concat([0,0,0,0]).slice(0,4);return a}}});MathBox.Attributes.mixin(MathBox.Viewport);MathBox.Viewport.types.projective=MathBox.ViewportProjective;
-MathBox.ViewportSphere=function(a){var b=MathBox.ViewportCartesian;b.call(this,a);this.super=b.prototype;_.extend(this._uniforms,{sphereAlpha:0,sphereAspectX:1,sphereAspectY:1,sphereYScale:1,sphereFocus:1})};
-MathBox.ViewportSphere.prototype=_.extend(new MathBox.ViewportCartesian(null),{defaults:function(){return{type:"sphere",range:[[-1,1],[-1,1],[-1,1]],sphere:1,scale:[1,1,1],rotation:[0,0,0],position:[0,0,0]}},to:function(a){var b=this._uniforms.sphereAspectX,c=this._uniforms.sphereAspectY,d=this._uniforms.sphereYScale,e=this._uniforms.sphereFocus,f=this._uniforms.sphereAlpha;if(1E-4<f){var g=e+a.z*b,h=a.x*f,d=a.y*f/c*d,f=Math.cos(d)*g;a.x=Math.sin(h)*f;a.y=Math.sin(d)*g*c;a.z=(Math.cos(h)*f-e)/b}this.transform.multiplyVector3(a)},
-from:function(a){var b=this._uniforms.sphereAspectX,c=this._uniforms.sphereAspectY,d=this._uniforms.sphereYScale,e=this._uniforms.sphereFocus,f=this._uniforms.sphereAlpha;this.inverse.multiplyVector3(a);if(1E-4<f){var g=a.x,h=a.y/c,l=a.z*b+e,k=Math.sqrt(g*g+h*h+l*l),h=Math.atan2(h,Math.sqrt(g*g+l*l)),g=Math.atan2(g,l);a.x=g/f;a.y=h/f*c/d;a.z=(k-e)/b}},axis:function(a){var b=this.super.axis.call(this,a);min=b[0];max=b[1];alpha=this._uniforms.sphereAlpha;beta=this._uniforms.sphereBeta;aspectX=this._uniforms.sphereAspectX;
-aspectY=this._uniforms.sphereAspectY;focus=this._uniforms.sphereFocus;2==a&&0<alpha&&(max=Math.max(Math.abs(max),Math.abs(min)),min=Math.max(-focus/aspectX,min));return[min,max]},update:function(a){var b=this.get(),c=b.range,d=b.scale,b=b.sphere,e=0<b?1/b-1:0,f=c[0][0],g=c[1][0],h=c[2][0],l=c[0][1]-f,k=c[1][1]-g,c=c[2][1]-h,q=d[0],s=d[1],d=d[2],t=0<l?1:-1,v=0<k?1:-1,u=Math.abs(c),t=l+(u*t-l)*b,v=k+(u*v-k)*b,u=c/d;aspectX=t/q/u;aspectY=v/s/u/aspectX;aspectZ=k/l*q/s*2;yScale=Math.min(aspectY/b,1+(aspectZ-
-1)*b);u=[t/(2*q),0,0,f+l/2,0,v/(2*s),0,g+k/2,0,0,c/(2*d),h+c/2,0,0,0,1];this.transform.set.apply(this.transform,[2*q/t,0,0,-(2*f+l)*q/l,0,2*s/v,0,-(2*g+k)*s/k,0,0,2*d/c,-(2*h+c)*d/c,0,0,0,1]);this.inverse.set.apply(this.inverse,u);this._uniforms.sphereAlpha=b;this._uniforms.sphereAspectX=aspectX;this._uniforms.sphereAspectY=aspectY;this._uniforms.sphereYScale=yScale;this._uniforms.sphereFocus=e;MathBox.Viewport.prototype.update.call(this,a)},shader:function(a){a.snippet("cartesianToSphere").snippet("mathToWorld")},
-validateSphere:function(a){return Math.max(0,Math.min(1,+a||0))}});MathBox.Attributes.mixin(MathBox.Viewport);MathBox.Viewport.types.sphere=MathBox.ViewportSphere;
+
diff --git a/build/MathBox-core.js b/build/MathBox-core.js
index ed2f453..9227d07 100644
--- a/build/MathBox-core.js
+++ b/build/MathBox-core.js
@@ -3677,9 +3677,16 @@ MathBox.Label.prototype = _.extend(new MathBox.Primitive(null), {
     var options = this.get(),
     // Axis vector direction for labels
     p = [0, 0, 0];
+
     p[options.facing] = 1;
+
     var labelTangent = this.labelTangent;
     labelTangent.set.apply(labelTangent, p);
+
+    var position = options.position;
+    var labelPoint = this.labelPoint;
+    labelPoint.set.apply(labelPoint, position);
+
     this.labels.show(true);
   },
 
@@ -3689,10 +3696,10 @@ MathBox.Label.prototype = _.extend(new MathBox.Primitive(null), {
       text = options.text,
       distance = options.distance,
       style = this.style,
-      labelTangent = this.labelTangent = new THREE.Vector3();
+    labelTangent = this.labelTangent = new THREE.Vector3(),
+      labelPoint  = this.labelPoint = new THREE.Vector3();
 
     var labelOptions = { dynamic: true, distance: distance };
-    var labelPoint  = new THREE.Vector3();
     labelPoint.set.apply(labelPoint, position)
     // label text callback
     var callback = function (i) {
diff --git a/build/MathBox-core.min.js b/build/MathBox-core.min.js
index e4f8761..8b13789 100644
--- a/build/MathBox-core.min.js
+++ b/build/MathBox-core.min.js
@@ -1,125 +1 @@
-var \u03c0=Math.PI,\u03c4=2*\u03c0;(function(a){for(var b in a)if(!window[b])throw"Error: MathBox requires "+a[b];})({THREE:"Three.js",tQuery:"tQuery.js (bundle)",ThreeBox:"ThreeBox.js",ThreeRTT:"ThreeRTT.js"});window.MathBox={};window.mathBox=function(a,b){!a||a instanceof Node||(b=a,a=null);return tQuery.createWorld(b).mathBox(a,b)};MathBox.getShader=function(a){var b=document.getElementById(a);return b&&b.textContent||a};Math.sign=function(a){return 0<a?1:0>a?-1:0};MathBox.Attributes=function(){};
-MathBox.Attributes.prototype={get:function(a){return void 0===a?this.__attributes||{}:this.__attributes?this.__attributes[a]:void 0},set:function(a,b){function c(a,b){try{b=k(a,b),d[a]=b,f[a]=b}catch(c){throw"Exception setting '"+a+"' to '"+b+"': "+c;}}this.__attributes||(this.__attributes={});this.__validators||(this.__validators={});var d={},e=this.__validators,f=this.__attributes,h=this,k=function(a,b){if(void 0===e[a]){var c="validate"+a.charAt(0).toUpperCase()+a.slice(1);e[a]=h[c]||!1}return e[a]?
-e[a].call(this,b):b}.bind(this);void 0!==a&&null!==a&&(a.constructor==String?c(a,b):_.each(a,function(a,b){c(b,a)}),this.emit("change",d))}};MicroEvent.mixin(MathBox.Attributes);MathBox.Attributes.mixin=function(a){_.each(["get","set","on","emit"],function(b){a.prototype[b]=MathBox.Attributes.prototype[b]})};MathBox.Animator=function(){this.active=[]};MathBox.Animator.now=1;
-MathBox.Animator.prototype={finalState:function(a){var b=_.extend({},a.get());a.__queue&&_.each(a.__queue,function(a,d){_.each(a,function(a){a.to&&(b[d]=a.to)})});return b},attach:function(a){if(!a.__queue){if(!a.__attributes)throw"Cannot attach to object without attributes";var b=this,c=a.set;a.set=function(a,e,f){if(!f){f=a;if(void 0===a||null===a)return;a.constructor==String&&(f={},f[a]=e);b.stop(this,f)}c.call(this,a,e)};a.__queue={};a.__animations=0}},hurry:function(a,b,c){c=c||4;_.each(b||a.__queue,
-function(b,e){_.each(a.__queue[e],function(a){a.hurry(c)})}.bind(this))},stop:function(a,b){_.each(b||a.__queue,function(b,d){for(;a.__queue[d];)this.dequeue(a,d,!0)}.bind(this))},animate:function(a,b,c){c=_.extend({duration:300},c||{});this.attach(a);_.each(b,function(b,e){var f=a.__queue[e]=a.__queue[e]||[];if(c.delay){var h=new MathBox.Animator.Delay(a,e,c.delay);f.push(h);0==a.__animations++&&this.active.push(a)}a.__validators[e]&&(b=a.__validators[e].call(a,b));h=new MathBox.Animator.Animation(a,
-e,b,c.duration,c.callback,c.ease);f.push(h);c.hold&&(h=new MathBox.Animator.Delay(a,e,c.hold),f.push(h),0==a.__animations++&&this.active.push(a));0==a.__animations++&&this.active.push(a)}.bind(this))},dequeue:function(a,b,c){var d=a.__queue[b];if(d){var e=d.shift();0==d.length&&delete a.__queue[b];c&&e.skip();0==--a.__animations&&this.active.splice(this.active.indexOf(a),1)}},update:function(a){MathBox.Animator.now+=a;a=this.active.slice();_.each(a,function(a){var c=0;_.each(a.__queue,function e(f,
-h){var k=f[0];value=k.apply(c||0);k.done()&&(c=k.extra(),this.dequeue(a,h),f[0]&&e.call(this,f,h))}.bind(this))}.bind(this))}};MathBox.Animator.Delay=function(a,b,c){this.object=a;this.key=b;this.duration=c;this.fraction=this.start=0};
-MathBox.Animator.Delay.prototype={init:function(a){this.start=MathBox.Animator.now-(a||0)},apply:function(a){this.start||this.init(a);this.fraction=0<this.duration?Math.min(1,(MathBox.Animator.now-this.start)/this.duration):1},skip:function(){this.duration=0},hurry:function(a){this.duration=this.duration*this.fraction+this.duration*(1-this.fraction)/a},extra:function(){return MathBox.Animator.now-this.start-this.duration},done:function(){return 1==this.fraction}};
-MathBox.Animator.Animation=function(a,b,c,d,e,f){this.object=a;this.key=b;this.from=null;this.to=c;this.duration=d;this.fraction=this.start=0;this.callback=e;this.ease=f};
-MathBox.Animator.Animation.prototype={init:function(a){this.start=MathBox.Animator.now-(a||0);null===this.from&&(this.from=this.object.get(this.key));void 0===this.from&&(this.from=0)},apply:function(a){function b(a,b){return a+(b-a)*g}function c(a,e){void 0===e&&(e=a);void 0===a&&(a=e);if(e===a)return a;if(typeof a!=typeof e)throw console.log(d,f),"Data type mismatch between from/to values in animator. "+f+": "+a+" ("+a.constructor+"), "+e+"("+e.constructor+")";var g;switch(typeof e){default:case "string":throw"Unimplemented value type in animator. ("+
-typeof e+")";case "function":return function(){return c(a.apply(this,arguments),e.apply(this,arguments))};case "boolean":return 0.5<k?e:a;case "number":return b(a,e);case "object":if(!a)return e;if(!e)return a;if(e.constructor==Array)return g=[],_.loop(a.length,function(b){g[b]=c(a[b],e[b])}),g;if(e.constructor==THREE.Matrix4){g=new THREE.Matrix4;for(var h=0;16>h;++h)g.elements[h]=b(a.elements[h],e.elements[h]);return g}return e.constructor==THREE.Vector3?(g=new THREE.Vector3,g.x=b(a.x,e.x),g.y=b(a.y,
-e.y),g.z=b(a.z,e.z),g):e.constructor==THREE.Color?(g=new THREE.Color,g.r=b(a.r,e.r),g.g=b(a.g,e.g),g.b=b(a.b,e.b),g):0.5<k?e:a}}this.start||this.init(a);var d=this.object;a=this.from;var e=this.to,f=this.key,h=this.ease,k;this.fraction=k=0<this.duration?Math.min(1,(MathBox.Animator.now-this.start)/(this.duration||1)):1;var g;switch(h){case "in":g=1-(1-k)*(1-k);break;case "out":g=k*k;break;case "linear":g=k;break;default:g=0.5-0.5*Math.cos(k*\u03c0)}a=c(a,e);this.object.set(this.key,a,!0)},hurry:function(a){this.duration=
-this.duration*this.fraction+this.duration*(1-this.fraction)/a},skip:function(){this.duration=0;this.fraction=1;this.done()},extra:function(){return MathBox.Animator.now-this.start-this.duration},done:function(){return 1==this.fraction?(this.object.set(this.key,this.to,!0),this.callback&&this.callback(),this.callback=null,!0):!1}};
-MathBox.Stage=function(a,b,c){this.options=a=a||{};this._world=b;this.overlay=c;b&&b.on("resize",function(a,b){this.overlay.size(a,b);this.width=a;this.height=b}.bind(this));this.primitives=[];this.materials=new MathBox.Materials(this);this.animator=new MathBox.Animator;this._transition=0;this._speed=1;b&&(this.cameraProxy=new MathBox.CameraProxy(b,this.options));this.viewport({});this.loadPrimitives();void 0!==a.transition&&this.transition(a.transition);void 0!==a.speed&&this.speed(a.speed)};
-MathBox.Stage.prototype=new THREE.Object3D;MathBox.Attributes.mixin(MathBox.Stage);MicroEvent.mixin(MathBox.Stage);
-MathBox.Stage.prototype=_.extend(MathBox.Stage.prototype,{update:function(){var a=this._viewport,b=this._world.tCamera(),c=this.width,d=this.height,e=this._speed;this.cameraProxy.update();var f=+new Date;this.last||(this.last=f-1E3/60);this.animator.update(e*(f-this.last));this.last=f;a.update(this);_.each(this.primitives,function(e){e.adjust(a,b,c,d,this);e=e.renderables();_.each(e,function(e){e.isVisible()&&e.adjust(a,b,c,d,this)}.bind(this))}.bind(this));this.overlay&&this.overlay.update(b)},add:function(a,
-b){if(a instanceof THREE.Object3D)return a instanceof MathBox.Sprite?this.overlay.add(a):THREE.Object3D.prototype.add.call(this,a);this._add(a);b=this.animateOptions(b);var c=a.style.get("opacity");b&&0<c&&(a.style.set("opacity",0),this.animator.animate(a.style,{opacity:c},b));return this},remove:function(a,b){if(a instanceof THREE.Object3D)return a instanceof MathBox.Sprite?this.overlay.remove(a):THREE.Object3D.prototype.remove.call(this,a);if("string"==typeof a)return _.each(this.select(a),function(a){this.remove(a,
-b)}.bind(this));if(!a.singleton){var c=function(){this._remove(a)}.bind(this);b=this.animateOptions(b);var d=a.style.get("opacity");b&&0<d?(b.callback=c,this.animator.animate(a.style,{opacity:0},b),a.removed=!0):c();return this}},_add:function(a){var b=this.materials;-1==this.primitives.indexOf(a)&&(this.primitives.push(a),a.make(),a=a.renderables(),_.each(a,function(a){a.make(b);a.object&&this.add(a.object)}.bind(this)))},_remove:function(a){if(-1!=this.primitives.indexOf(a)){this.primitives.splice(this.primitives.indexOf(a),
-1);var b=a.renderables();_.each(b,function(a){a.object&&this.remove(a.object);a.destroy()}.bind(this));a.destroy()}},select:function(a,b){var c=[];if("object"==typeof a)return a.constructor==Array?a:[a];var d=function(a){var c=[];if("*"==a)return c=this.primitives.slice(),c.push(this.viewport()),c.push(this.cameraProxy),c;if(a==+a)return _.each(this.primitives,function(d){!b&&d.removed||d.get("sequence")!=a||c.push(d)}),c;var d=a.match(/^\s*#([a-zA-Z0-9_-]+)|([a-zA-Z0-9_-]+)?\s*$/);if(!d)return[];
-var k=d[2],g=d[1];if(g)_.each(this.primitives,function(a){!b&&a.removed||a.get("id")!=g||c.push(a)});else{if("camera"==k)return this.cameraProxy&&[this.cameraProxy]||[];if("viewport"==k)return[this.viewport()];k&&_.each(this.primitives,function(a){!b&&a.removed||a.type()!=k||c.push(a)})}return c}.bind(this),c=[];a=(""+a).split(",");_.each(a,function(a){c=c.concat(d(a))});return c},set:function(a,b){b=this.extractStyle(b);_.each(this.select(a),function(a){a.set(b);b.style&&a.style.set(b.style)});return this},
-get:function(a){var b=this.animator;a=this.select(a);if(1>a.length)return{};var c=a[0];a=b.finalState(c);c.style&&(b=b.finalState(c.style),a.style=b);return a},transition:function(a){return void 0!==a?(this._transition=a,this):this._transition},speed:function(a){return void 0!==a?(this._speed=a,this):this._speed},animateOptions:function(a,b){var c=this._transition;!0===a&&(a={});if(c||b||a&&(a.delay||a.duration||a.hold))a=_.extend({delay:0,duration:c||0,hold:0},a||{});if(a&&(a.delay||a.duration||
-a.hold))return a},animate:function(a,b,c){var d=this.animator;b=this.extractStyle(b);c=this.animateOptions(c,!0);b.style&&(_.each(this.select(a),function(a){c?d.animate(a.style,b.style,c):a.style.set(b.style)}),b=_.extend({},b),delete b.style);_.each(this.select(a),function(a){c?d.animate(a,b,c):a.set(b)});return this},clone:function(a,b,c){_.each(this.select(a),function(a){var e=this.get(a);delete e.sequence;var f=_.extend({},b),h=[];_.each(b,function(a,c){if("id"==c||"boolean"==typeof a||null===
-a)e[c]=b[c],h.push(c)});_.each(h,function(a){delete f[a]});e.id==a.get("id")&&(e.id=(e.id||"")+"-clone");a=this.spawn(a.type(),e,{duration:0});this.animate(a,f,c)}.bind(this));return this},hurry:function(a,b,c){var d=this.animator;_.each(this.select(a,!0),function(a){d.hurry(a,b,c);a.style&&d.hurry(a.style,b,c)});return this},halt:function(a,b){var c=this.animator;_.each(this.select(a,!0),function(a){c.stop(a,b);a.style&&c.stop(a.style,b)});return this},viewport:function(a){if(void 0!==a){if(!this._viewport||
-a.type&&a.type!=this.options.viewport.type){this._viewport&&(a=_.extend({},this._viewport.get(),a));this._viewport=MathBox.Viewport.make(a);a=this.primitives.slice();var b=this;_.each(a,function(a){b._remove(a);b._add(a)})}else this._viewport.set(a);this.options.viewport=this._viewport.get();return this}return this._viewport},camera:function(a){_.each(this.select("camera"),function(b){b.set(a)});return this},start:function(){this._world&&this._world.start();return this},stop:function(){this._world&&
-this._world.stop();return this},world:function(){return this._world},extractStyle:function(a){var b=MathBox.Style.prototype.defaults(),c=null;_.each(a,function(d,e){void 0!==b[e]&&(delete a[e],c=c||{},c[e]=d)});c&&(a.style=_.extend(a.style||{},c));return a},spawn:function(a,b,c){return MathBox.Primitive.types[a]?(this[a](b,c),this.primitives[this.primitives.length-1]):this},loadPrimitives:function(){_.each(MathBox.Primitive.types,function(a,b){this[b]=function(b,d){a.validateArgs&&(b=a.validateArgs(b));
-var e=new a(this.extractStyle(b));this.add(e,d);return this}}.bind(this))}});MathBox.Materials=function(a){this.stage=a;this.cache={}};
-MathBox.Materials.prototype={hash:function(a){var b=Object.keys(a),c="";b.sort();_.each(b,function(b){c+=b+"/";c+=a[b]+"/"});return c},clone:function(a){var b=new THREE.ShaderMaterial({vertexShader:a.vertexShader,fragmentShader:a.fragmentShader});b.attributes=a.attributes?{}:null;b.uniforms={};b.wireframe=a.wireframe;b.applyUniforms=a.applyUniforms;b.applyAttributes=a.applyAttributes;_.each(a.uniforms,function(a,d){b.uniforms[d]={type:a.type,value:a.value&&a.value.clone?a.value.clone():a.value}});
-_.each(a.attributes,function(a,d){b.attributes[d]={type:a.type,value:a.value}});return b},generic:function(a){a=a||{};if(!a.shaders||!Object.keys(a.shaders).length){var b=this.hash(a);if(this.cache[b])return this.clone(this.cache[b])}var c=this.factory(),d=a.shaders||{};d.position?d.position(c,this):(this.position(c,a),a.absolute||(a.shaded&&a.smooth?(c.group(),this.viewport(c),c.next(),this.viewport(c),c.next(),this.viewport(c),c.combine()):this.viewport(c)));a=this.finalize(c,a);b&&(this.cache[b]=
-a);return a},position:function(a,b){b=b||{};a.snippet(b.shaded&&b.smooth?"getPositionDUDV":"getPosition");b.absolute||(b.shaded&&b.smooth?a.group().snippet("mathTransform").next().snippet("mathTransform").next().snippet("mathTransform").combine():a.snippet("mathTransform"));return a},factory:function(){return new ShaderGraph.Factory},finalize:function(a,b){b=b||{};var c=b.shaders||{};b.shaded?b.smooth?a.snippet("projectToViewDUDV"):a.snippet("projectToViewNormal"):a.snippet("projectToView");c.material?
-c.material(a,this):a.material("vertexOutput",{points:"fragmentSolidPoint",mesh:b.shaded?"fragmentShaded":"fragmentSolid"}[b.type]||"fragmentSolid");c=a.end().compile();c=new THREE.ShaderMaterial({uniforms:c.uniforms,attributes:c.attributes,vertexShader:c.vertexShader,fragmentShader:c.fragmentShader});b.wireframe&&(c.wireframe=!0);var d=this.apply.bind(this);c.applyUniforms=function(a){d(this,a,"uniforms")};c.applyAttributes=function(a){d(this,a,"attributes")};return c},apply:function(a,b,c){var d=
-a[c];_.each(b,function(a,b){var c=d[b];c&&(a instanceof THREE.Color&&(a.x=a.r,a.y=a.g,a.z=a.b),c.value=a,c.needsUpdate=!0)});if("uniforms"==c){c=a.uniforms;if(b.map&&(c.texture&&(c.texture.value=b.map),c.offsetRepeat)){var e=b.map.offset,f=b.map.repeat;c.offsetRepeat.value.set(e.x,e.y,f.x,f.y)}void 0!==b.lineWidth&&(a.wireframeLinewidth=a.linewidth=b.lineWidth);void 0!==b.opacity&&(a.transparent=1>b.opacity)}},viewport:function(a,b){this.stage.viewport().shader(a,b)}};
-MathBox.Ticks=function(a,b,c,d,e,f,h){var k=(b-a)/(c||10);d=d||1;e=e||10;var g=d*((h||0)+Math.pow(e,Math.floor(Math.log(k/d)/Math.log(e))));c=_.map(0==e%2?[e/2,1,0.5]:[1],function(a){return g*a});var l=_.reduce(c,function(a,b){return Math.abs(b-k)<Math.abs(a-k)?b:a},g);f=+!f;a=(Math.ceil(a/l)+f)*l;b=(Math.floor(b/l)-f)*l;c=Math.ceil((b-a)/l)+1;var m=[];_.loop(c,function(b){m.push(a+b*l)});return m};MathBox.TicksLog=function(a,b,c,d,e,f){};
-tQuery.World.registerInstance("mathBox",function(a,b){a=a||document.body;this.threeBox(a,b);var c=new MathBox.Overlay;a.appendChild(c.domElement);c.domElement.style.position="absolute";c.domElement.style.left=0;c.domElement.style.top=0;c.domElement.style.right=0;c.domElement.style.bottom=0;var d=new MathBox.Stage(b,this,c),e=function(){d.update()};this.tScene().add(d);this._renderer.setClearColorHex(16777215,1);d.unhook=function(){this.loop().unhookPreRender(e)};this.loop().hookPreRender(e);b.cameraControls||
-(c=this.tCamera(),c.position.x=0,c.position.y=0,c.position.z=b.orbit,c.lookAt(new THREE.Vector3(0,0,0)));return d});MathBox.Director=function(a,b){this._stage=a;this.script=b||[];this.rollback={};this.clocks={};this.time=this.lastCommand=this.step=0;this.lastTime=+new Date};
-MathBox.Director.prototype={clock:function(a,b){if(a>this.step)return 0;var c=+new Date;this.time+=(c-this.lastTime)*this.stage().speed();this.lastTime=c;if(b||!this.clocks[a])this.clocks[a]=this.time;return 0.001*(this.time-this.clocks[a])},invert:function(a){var b=this._stage,c=[],d,e=a[0],f=a[1],h=a[2]||{},k=a[3];"remove"==e&&(k=h);k={delay:k&&void 0!==k.hold?k.hold/4:0,duration:k&&void 0!==k.duration?k.duration/4:0,hold:k&&void 0!==k.delay?k.delay/4:0};switch(e){case "add":d=[0];case "clone":d=
-d||b.select(f);_.each(d,function(a,b){c.push(["remove",h.sequence||MathBox.Primitive.sequence+1+b,k])});break;case "remove":d=b.select(f);_.each(d,function(a){c.push(["add",a.type(),b.get(a),k])});break;case "animate":case "set":d=b.select(f),_.each(d,function(a){var d=b.get(a),f={};for(i in h)f[i]=d.style&&void 0!==d.style[i]?d.style[i]:d[i];c.push([e,a.singleton||a.get("sequence"),f,k])})}return c},invertDelay:function(a){function b(a){var b=a[2]||{},c=["opacity"];if("animate"==a[0])for(d in c=
-[],b)if("style"==d)for(j in b.style)c.push(j);else c.push(d);return c}var c=[],d,e={};a.forEach(function(a){var c=a[0],d=a[1]||"",f=a[2]||{},h=a[3]||{};if("set"==c)return null;"add"==c&&(d=f.sequence);"remove"==c&&(h=f);b(a).forEach(function(a){a=[d,a].join(".");e[a]||(e[a]=[]);h=h||{};e[a].push((h.delay||0)+(h.duration||0)+(h.hold||0))})});var f=0;for(d in e)var h=e[d]=e[d].reduce(function(a,b){return a+b}),f=Math.max(f,h);a.forEach(function(a){var d=a[0],h=a[1]||"",m=a[2]||{},n=a[3]||{},t;if("set"==
-d)return c.push(a);"add"==d&&(t=h,h=m.sequence);"remove"==d&&(n=m);b(a).forEach(function(a){var b=[h,a].join("."),k=n.delay||0,u=n.duration||0,v=n.hold||0;void 0!==e[b]&&(k+=f-e[b],delete e[b]);n={delay:k,duration:u,hold:v};"add"==d&&c.push([d,t,m,n]);"remove"==d?c.push([d,h,n]):(b={},b[a]=m.style&&void 0!==m.style[a]?m.style[a]:m[a],c.push([d,h,b,n]))})});return c},apply:function(a,b,c,d){var e=this._stage;_.each(a,function(a){var h=a[0]||"",k=a[1]||"",g=a[2]||{},l=a[3]||{};"remove"==h&&(l=g);b&&
-(a=this.invert(a),a=[0,0].concat(a),Array.prototype.splice.apply(b,a));d&&l&&(l=_.extend({},l),l.delay/=2,l.duration/=2,l.hold/=2);c&&(l={delay:0,duration:0,hold:0},"animate"==h&&(h="set"));switch(h){case "clone":e.clone(k,g,l);break;case "add":e.spawn(k,g,l);break;case "remove":_.each(e.select(k),function(a){e.remove(a,l)});break;case "set":var h=e.select(k),m=g.constructor==Array;_.each(h,function(a,b){e.set(a,m?g[b]:g)});break;case "animate":h=e.select(k),m=g.constructor==Array,_.each(h,function(a,
-b){e.animate(a,m?g[b]:g,l)})}}.bind(this));return this},insert:function(a){a[0].constructor!=Array&&(a=[a]);this.script.splice(this.step,0,a);this.forward();return this},is:function(a){if(!this.script.length)return!1;for(;0>a;)a+=this.script.length+1;for(;a>=this.script.length+1;)a-=this.script.length+1;return a==this.step},isFirst:function(){return this.is(0)},isLast:function(){return this.is(-1)},go:function(a,b){if(this.script.length){for(;0>a;)a+=this.script.length+1;for(;a>=this.script.length+
-1;)a-=this.script.length+1;for(;a>this.step;)this.forward(b);for(;a<this.step;)this.back(b)}},skipping:function(){var a=+new Date,b=!1;500>a-this.lastCommand&&(b=!0);this.stage().hurry("*");this.lastCommand=a;return b},forward:function(a,b){if(!(this.step>=this.script.length)){var c=this.step,d=this.script[c],e=this.rollback[c]=[];this.step++;var f=function(){this.apply(d,e,a,a?!1:this.skipping());this.rollback[c]=this.invertDelay(e);this.clock(c+1,!0);this.emit("go",c+1,1)}.bind(this);b?setTimeout(f,
-+b):f();return this}},back:function(a,b){if(!(0>=this.step)){this.step--;var c=this.step,d=this.rollback[c],e=function(){this.apply(d,null,a||this.skipping());delete this.rollback[c];this.emit("go",c,-1)}.bind(this);b?setTimeout(e,+b):e();return this}},stage:function(){return this._stage}};_.each(MathBox.Stage.prototype,function(a,b){MathBox.Director.prototype[b]||(MathBox.Director.prototype[b]=function(){var b=this.stage[a].apply(this.stage,arguments);return b===this.stage?this:b})});MicroEvent.mixin(MathBox.Director);
-MathBox.Style=function(a){var b=this.defaults();a=_.extend(b,a||{});this.set(a)};
-MathBox.Style.prototype={defaults:function(){return{color:new THREE.Color(3178736),opacity:1,lineWidth:2,pointSize:5,mathScale:new THREE.Vector3(1,1,1),mathRotation:new THREE.Vector3,mathPosition:new THREE.Vector3,worldScale:new THREE.Vector3(1,1,1),worldRotation:new THREE.Vector3,worldPosition:new THREE.Vector3,zIndex:0,map:null,mapColor:0,mapOpacity:0}},validateColor:function(a){if(a.constructor==Array){a=a.concat([0,0,0]);var b=new THREE.Color;return b.setRGB.apply(b,a)}return a.constructor==Number?
-new THREE.Color(a):a.constructor!=THREE.Color?this.get("color"):a},validateMathScale:function(a){if(a.constructor==Array){a=a.concat([1,1,1]);var b=new THREE.Vector3;return b.set.apply(b,a)}return a.constructor!=THREE.Vector3?this.get("mathScale"):a},validateMathRotation:function(a){if(a.constructor==Array){a=a.concat([0,0,0]);var b=new THREE.Vector3;return b.set.apply(b,a)}return a.constructor!=THREE.Vector3?this.get("mathRotation"):a},validateMathPosition:function(a){if(a.constructor==Array){a=
-a.concat([0,0,0]);var b=new THREE.Vector3;return b.set.apply(b,a)}return a.constructor!=THREE.Vector3?this.get("mathPosition"):a},validateWorldScale:function(a){if(a.constructor==Array){a=a.concat([1,1,1]);var b=new THREE.Vector3;return b.set.apply(b,a)}return a.constructor!=THREE.Vector3?this.get("worldScale"):a},validateWorldRotation:function(a){if(a.constructor==Array){a=a.concat([0,0,0]);var b=new THREE.Vector3;return b.set.apply(b,a)}return a.constructor!=THREE.Vector3?this.get("worldRotation"):
-a},validateWorldPosition:function(a){if(a.constructor==Array){a=a.concat([0,0,0]);var b=new THREE.Vector3;return b.set.apply(b,a)}return a.constructor!=THREE.Vector3?this.get("worldPosition"):a}};MathBox.Attributes.mixin(MathBox.Style);
-MathBox.CameraProxy=function(a,b){this.set({orbit:void 0===b.orbit?3.5:b.orbit,phi:void 0===b.phi?\u03c4/4:b.phi,theta:b.theta||0,lookAt:b.lookAt||[0,0,0]});this.singleton="camera";var c=this.controls=a.getCameraControls()||ThreeBox.OrbitControls.bind(a.tCamera(),null,this.get());this.on("change",function(a){_.each(a,function(a,b){"lookAt"!=b&&(c[b]=a)});a.lookAt&&c.lookAt.set.apply(c.lookAt,a.lookAt);c.update()});c.update();this.update=function(){this.set({orbit:c.orbit,phi:c.phi,theta:c.theta},
-null,!0);var a=this.get("lookAt");a[0]=c.lookAt.x;a[1]=c.lookAt.y;a[2]=c.lookAt.z}};MathBox.Attributes.mixin(MathBox.CameraProxy);MathBox.Overlay=function(){(this.domElement=document.createElement("div")).className="mathbox-overlay";this.sprites=[];this.v=new THREE.Vector3;this.q=new THREE.Vector3};
-MathBox.Overlay.prototype={size:function(a,b){this.width=a;this.height=b;this.domElement.style.width=a+"px";this.domElement.style.height=b+"px"},add:function(a){-1==this.sprites.indexOf(a)&&(this.sprites.push(a),a.element.parentNode||this.domElement.appendChild(a.element),_.each(a.children,function(a){this.add(a)}.bind(this)))},remove:function(a){var b;-1!=(b=this.sprites.indexOf(a))&&(this.sprites.splice(b,1),a.element.parentNode&&a.element.parentNode.removeChild(a.element),_.each(a.children,function(a){this.remove(a)}.bind(this)))},
-update:function(a){this.fov=0.5/Math.tan(a.fov*Math.PI/360)*this.height;_.each(this.sprites,function(b){this._update(b,a)}.bind(this));_.each(this.sprites,function(b){this._measure(b,a)}.bind(this));_.each(this.sprites,function(b){this._vis(b,a)}.bind(this))},_measure:function(a,b){if(a.measure){var c=a.element;a.width=c.offsetWidth;a.height=c.offsetHeight;a.measure=!1}},_vis:function(a,b){if(a.render&&(a.width||a.height)){var c=a.left,d=a.top,e=a.width+c,f=a.height+d;found=!1;_.each(this.sprites,
-function(b){if(b===a)found=!0;else if(found&&b.render){var k=b.left,g=b.top,l=b.width+k,m=b.height+g;e<k||c>l||f<g||d>m||(b.element.style.display="none",b.render=!1)}})}},_update:function(a,b){for(var c=this.v,d=this.q,e=a.render,f=a.visible,h=a.parent;f&&h;)f=f&&h.visible,h=h.parent;a.render=f&&0<a.opacity;if(a.render)e||(a.element.style.display="block"),c.copy(a.position),b.matrixWorldInverse.multiplyVector3(c),e=-(c.x/c.z)*this.fov+0.5*this.width,f=c.y/c.z*this.fov+0.5*this.height,a.distance&&
-(d.copy(a.tangent).multiplyScalar(0.01),d.addSelf(a.position),b.matrixWorldInverse.multiplyVector3(d),h=0<a.distance?1:-1,d.subSelf(c),d.z=0,d.normalize().multiplyScalar(a.distance),e+=Math.abs(d.y)*h,f+=Math.abs(d.x)*h),e=Math.round(e),f=Math.round(f),a.left!==e&&(a.left=e,a.element.style.left=e+"px"),a.top!==f&&(a.top=f,a.element.style.top=f+"px"),a.lastOpacity!==a.opacity&&(a.element.style.opacity=a.opacity,a.lastOpacity=a.opacity);else if(e||null===e)a.element.style.display="none"}};
-MathBox.Sprite=function(a,b,c){this.element=a;this.tangent=b||new THREE.Vector3(1,0,0);this.distance=c||0;this.height=this.width=0;this.measure=this.visible=!0;this.render=null;this.content="";this.lastOpacity=this.lastTop=this.lastLeft=null;a.style.position="absolute";a.style.left=0;a.style.top=0;a.style.opacity=0;THREE.Object3D.call(this)};MathBox.Sprite.prototype=_.extend(new THREE.Object3D,{});
-MathBox.Primitive=function(a){if(null!==a){var b=this.defaults();a&&(a.style=_.extend(b.style,a.style||{}),a=_.extend(b,a||{}));a=a||b;this.set(a);this.style=new MathBox.Style;this.style.set(this.get().style||{});this.on("change",function(a){void 0!==a.style&&this.style.set(a.style)}.bind(this));this.set("sequence",a.sequence||++MathBox.Primitive.sequence);this.set("id",a.id||this.sequence);this.init()}};MathBox.Primitive.sequence=0;MathBox.Primitive.types={};
-MathBox.Primitive.prototype={defaults:function(){return{}},type:function(){return"primitive"},init:function(){},make:function(){},destroy:function(){},renderables:function(){return[]},adjust:function(a){}};MathBox.Attributes.mixin(MathBox.Primitive);MicroEvent.mixin(MathBox.Primitive);MathBox.Curve=function(a){null!==a&&MathBox.Primitive.call(this,a)};
-MathBox.Curve.prototype=_.extend(new MathBox.Primitive(null),{defaults:function(){return{n:64,domain:[0,1],data:null,expression:function(){return 0},live:!0,points:!1,line:!0,style:{}}},type:function(){return"curve"},renderables:function(){return[this.line,this.points]},adjust:function(a){a=this.get();this.line.show(a.line);this.points.show(a.points);(a.line||a.points)&&0<this.style.get("opacity")&&a.live&&this.calculate()},make:function(){var a=this.get(),b=this.style,c=a.n,d=this.vertices=[];_.loop(c,
-function(){d.push(new THREE.Vector3)});c=function(c){return new MathBox.Renderable.Mesh(d,{type:c,dynamic:a.live},b)};this.line=c("line");this.points=c("points");this.calculate()},calculate:function(){var a=this.vertices,b=this.get(),c=b.data,d=b.domain,e=b.n,f=d[0],h=(d[1]-f)/(e-1),k;_.loop(e,function(e){k=c&&void 0!==c[e]?c[e]:b.expression.call(this,f,e);var d=0,m=0,n=0;if(k instanceof Array){var t=k.length;0<t&&(d=k[0]);1<t&&(m=k[1]);2<t&&(n=k[2])}else d=f,m=+k;a[e].set(d,m,n);f+=h}.bind(this))}});
-MathBox.Primitive.types.curve=MathBox.Curve;MathBox.Bezier=function(a){MathBox.Curve.call(this,a)};
-MathBox.Bezier.prototype=_.extend(new MathBox.Curve(null),{defaults:function(){return{n:64,domain:[0,1],data:null,order:3,expression:function(){return 0},live:!0,points:!1,line:!0,style:{}}},type:function(){return"bezier"},calculate:function(){var a=this.vertices,b=this.get(),c=b.domain,d=b.data,e=b.order,f=b.n;if(1>e||3<e)throw"Bezier curve order must be 1, 2 or 3.";var h=[],k;_.loop(e+1,function(a){k=d&&void 0!==d[a]?d[a]:b.expression.call(this,a,a);var c=a=0,e=0;if(k instanceof Array){var f=k.length;
-0<f&&(a=k[0]);1<f&&(c=k[1]);2<f&&(e=k[2])}else a=l,c=+k;h.push(new THREE.Vector3(a,c,e))}.bind(this));var g={bezierPoints:h},l=c[0],m=(c[1]-l)/(f-1);_.loop(f,function(b){a[b].set(l,0,0);l+=m});c={uniforms:g,shaders:{position:function(a,b){a.snippet("bezier"+e).snippet("mathTransform");b.viewport(a)}}};this.line.set(c);this.points.set(c)}});MathBox.Primitive.types.bezier=MathBox.Bezier;
-MathBox.Axis=function(a){null!==a&&(MathBox.Primitive.call(this,a),this.on("change",function(a){void 0!==a.size&&this.arrow&&this.arrow.set("size",a.size)}))};
-MathBox.Axis.prototype=_.extend(new MathBox.Primitive(null),{defaults:function(){return{axis:0,offset:[0,0,0],n:2,arrow:!0,line:!0,labels:!1,decimals:2,distance:15,ticks:10,tickUnit:1,tickScale:10,size:0.07,style:{lineWidth:4,color:new THREE.Color(7368816)},formatter:null,zero:!0}},renderables:function(){return[this.line,this.ticks,this.arrow,this.labels]},type:function(){return"axis"},adjust:function(a,b){var c=this.get(),d=c.axis,e=c.offset,f=c.arrow,h=c.line,k=c.labels,g=c.n,l=c.ticks,m=c.tickUnit,
-n=c.tickScale,c=c.decimals,t=this.points,s=this.labelPoints,r=this.labelTangent,q=this.tickPoints,u=this.tickSigns,v=[0,0,0],x=new THREE.Vector3;new THREE.Vector4;var w=a.axis(d),y=w[0],w=w[1],A=(w-y)/(g-1);x.set.apply(x,e);_.loop(g,function(a){v[d]=y+a*A;t[a].set.apply(t[a],v);t[a].addSelf(x)});this.line.show(h);this.arrow.show(f);g=this.scale=MathBox.Ticks(y,w,l,m,n,!0);this.ticks.show(!!l);if(l){l=Math.floor(q.length/2);g.length>l&&(g=g.slice(0,l));var l=[0,0,0],z;l[2==d?0:1-d]=0.01*(w-y);this.epsilon.set.apply(this.epsilon,
-l);v=[0,0,0];_.each(g,function(a,b){v[d]=a;var c=2*b;q[c].set.apply(q[c],v);q[c].addSelf(x);u[c]=1;q[c+1].copy(q[c]);u[c+1]=-1;s[b].copy(q[c]);z=c+1});l=z+1;for(g=q.length;l<g;)q[l].copy(q[z]),u[l]=u[z],l++}v=[0,0,0];v[d]=1;r.set.apply(r,v);this.labels.show(!!k);this.labels.set("decimals",c)},make:function(){var a=this.get(),b=a.n,c=a.size,d=a.ticks,e=a.distance,f=a.formatter,h=this.style,k=this.points=[],g=this.labelPoints=[],l=this.labelTangent=new THREE.Vector3,m=this.tickPoints=[],n=this.tickSigns=
-[],t=this.epsilon=new THREE.Vector3;_.loop(b,function(a){k.push(new THREE.Vector3)});_.loop(4*d,function(a){g.push(new THREE.Vector3)});_.loop(8*d,function(a){m.push(new THREE.Vector3);n.push(1)});var d={dynamic:!0,size:c,offset:0.5},c={dynamic:!0,size:0.2*c},e={dynamic:!0,distance:e},s=function(b){b=this.scale[b];return 0!=b||a.zero?f?f(b):b:""}.bind(this);this.line=new MathBox.Renderable.Mesh(k,{dynamic:!0,type:"line"},h);this.arrow=new MathBox.Renderable.ArrowHead(k[b-2],k[b-1],d,h);this.ticks=
-new MathBox.Renderable.Ticks(m,n,t,c,h);this.labels=new MathBox.Renderable.Labels(g,l,s,e,h)}});MathBox.Axis.validateArgs=function(a){"number"==typeof a&&(a={axis:a});return a};MathBox.Primitive.types.axis=MathBox.Axis;MathBox.Grid=function(a){null!==a&&MathBox.Primitive.call(this,a)};
-MathBox.Grid.prototype=_.extend(new MathBox.Primitive(null),{defaults:function(){return{axis:[0,1],offset:[0,0,0],show:[!0,!0],n:2,ticks:[10,10],tickUnit:[1,1],tickScale:[10,10],style:{lineWidth:1,color:new THREE.Color(10526880)}}},type:function(){return"grid"},renderables:function(){return this.lines||[]},adjust:function(a){function b(a,b,c,e,d){var f=l.slice(),g=0,h=MathBox.Ticks(b.min,b.max,b.ticks,b.tickUnit,b.tickScale,!0);h.length>e&&(h=h.slice(0,e));_.each(h,function(e){f[b.axis]=e+l[b.axis];
-f[c.axis]=c.min+l[c.axis];_.loop(d-1,function(b){a[g].set.apply(a[g],f);g++;f[c.axis]+=c.inv;a[g].set.apply(a[g],f);g++})});e=Math.max(0,g-1);for(h=a.length;g<h;)a[g++].copy(a[e])}var c=this.get(),d=c.axis,e=c.ticks,f=c.tickUnit,h=c.tickScale,k=c.n,g=c.show,l=c.offset,c=this.points,m=this.limit,n=[];"number"==typeof k&&(k=[k,k]);_.each(d,function(b,c){var d=a.axis(b);n.push({axis:b,min:d[0],max:d[1],inv:(d[1]-d[0])/(k[c]-1),ticks:e[c],tickUnit:f[c],tickScale:h[c]})});this.lines[0].show(g[0]);this.lines[1].show(g[1]);
-g[0]&&b(c[0],n[1],n[0],m[0],k[0]);g[1]&&b(c[1],n[0],n[1],m[1],k[1])},make:function(a){var b=this.get();a=b.ticks;var c=b.n,d=this.points=[[],[]],b=this.style;"number"==typeof c&&(c=[c,c]);var e=this.limit=[0,0];_.each(a,function(a,b){b=1-b;e[b]=4*a;_.loop(e[b]*(c[b]-1)*2,function(a){d[b].push(new THREE.Vector3)})});this.lines=[];this.lines.push(new MathBox.Renderable.Mesh(d[0],{type:"line",strip:!1,dynamic:!0},b));this.lines.push(new MathBox.Renderable.Mesh(d[1],{type:"line",strip:!1,dynamic:!0},
-b))}});MathBox.Primitive.types.grid=MathBox.Grid;MathBox.Vector=function(a){null!==a&&(MathBox.Primitive.call(this,a),this.render=[],this.arrows=[],this.line=this.points=this.vertices=null,this.on("change",function(a){void 0!==a.size&&_.each(this.arrows,function(c){c.set("size",a.size)})}))};MathBox.Vector.vLast=new THREE.Vector3;MathBox.Vector.vCurrent=new THREE.Vector3;
-MathBox.Vector.prototype=_.extend(new MathBox.Primitive(null),{defaults:function(){return{n:1,data:null,arrow:!0,expression:function(){return 0},live:!0,style:{},size:0.07}},type:function(){return"vector"},renderables:function(){return this.render},adjust:function(a){var b=this.get();0<this.style.get("opacity")&&(b.arrow||b.live)&&this.calculate(a);_.each(this.arrows,function(a){a.show(b.arrow)})},make:function(){var a=this.get(),b=a.arrow,c=this.style,d=a.n,e=this.vertices=[],f=this.points=[],h=
-this.render=[],k=this.arrows=[],g={dynamic:a.live,type:"line",strip:!1},l={size:a.size},m=0;_.loop(d,function(){e.push(new THREE.Vector3);e.push(new THREE.Vector3);f.push(new THREE.Vector3);f.push(new THREE.Vector3);if(b){var a=new MathBox.Renderable.ArrowHead(f[m++],f[m++],l,c);h.push(a);k.push(a)}});this.line=new MathBox.Renderable.Mesh(e,g,c);h.push(this.line);this.calculate()},calculate:function(a){var b=this.vertices,c=this.arrows,d=this.points,e=this.get(),f=e.data,h=e.arrow,k=e.n,g=e.size,
-l=this.style.get("mathScale"),m=0,n=0;_.loop(2*k,function(k){p=f&&void 0!==f[k]?f[k]:e.expression.call(this,n,m);var s=0,r=0,q=0;if(p instanceof Array){var u=p.length;0<u&&(s=p[0]);1<u&&(r=p[1]);2<u&&(q=p[2])}else s=k,r=+p,q=0;d[k].set(s,r,q);b[k].set(s,r,q);a&&h&&1==k%2&&(s=MathBox.Vector.vLast,r=MathBox.Vector.vCurrent,r.copy(b[k]),s.copy(b[k-1]),a.to(r),a.to(s),r.subSelf(s).multiplySelf(l),u=r.length(),q=Math.min(1,0.5*u/g),q=(1-(1-q)*(1-q))*g,u-=q,r.normalize().multiplyScalar(u).divideSelf(l).addSelf(s),
-a.from(r),b[k].copy(r),c[n].set({size:q}));n=m?n+1:n;m=(m+1)%2}.bind(this))}});MathBox.Primitive.types.vector=MathBox.Vector;MathBox.Surface=function(a){null!==a&&MathBox.Primitive.call(this,a)};
-MathBox.Surface.prototype=_.extend(new MathBox.Primitive(null),{defaults:function(){return{n:[64,64],domain:[[0,1],[0,1]],data:null,expression:function(){return 0},live:!0,points:!1,line:!1,mesh:!0,doubleSided:!0,flipSided:!1,shaded:!0,style:{}}},type:function(){return"surface"},renderables:function(){return[this.mesh,this.line,this.points]},adjust:function(a){a=this.get();this.mesh.show(a.mesh);this.line.show(a.line);this.points.show(a.points);(a.mesh||a.line||a.points)&&0<this.style.get("opacity")&&
-a.live&&this.calculate()},make:function(){var a=this.get(),b=this.style,c=a.n;"number"==typeof c&&(c=[c,c]);var d=this.geometry=new THREE.PlaneGeometry(2,2,c[0]-1,c[1]-1);this.vertices=d.vertices;this.mesh=new MathBox.Renderable.Mesh(d,{type:"mesh",doubleSided:a.doubleSided,flipSided:a.flipSided,shaded:a.shaded,smooth:!0,dynamic:a.live},b);this.line=new MathBox.Renderable.Mesh(d,{type:"mesh",shaded:a.shaded,smooth:!0,dynamic:a.live,wireframe:!0},b);this.points=new MathBox.Renderable.Mesh(d.vertices,
-{type:"points",dynamic:a.live},b);if(a.shaded){var e=this.tangents=[[],[]];_.loop(c[0]*c[1],function(){e[0].push(new THREE.Vector3);e[1].push(new THREE.Vector3)})}this.calculate()},calculate:function(){var a=this.vertices,b=this.tangents,c=this.get(),d=c.data,e=c.domain,f=c.n,h=c.flipSided,k=h?1:0,h=h?0:1;"number"==typeof f&&(f=[f,f]);var g=e[0][0],l=e[1][0],m=(e[0][1]-g)/(f[0]-1),n=(e[1][1]-l)/(f[1]-1),t,s=0;_.loop(f[1],function(b){g=e[0][0];_.loop(f[0],function(e){t=d&&void 0!==d[b]&&void 0!==d[b][e]?
-d[b][e]:c.expression.call(this,g,l,e,b,s);var f=e=0,h=0;if(t instanceof Array){var k=t.length;0<k&&(e=t[0]);1<k&&(f=t[1]);2<k&&(h=t[2])}else e=g,f=+t,h=l;a[s].set(e,f,h);g+=m;s++}.bind(this));l+=n}.bind(this));if(c.shaded){var s=0,l=e[1][0],r=f[0];_.loop(f[1],function(c){g=e[0][0];var d=c?c-1:0,h=Math.min(f[1]-1,c+1);_.loop(f[0],function(e){var k=e?e-1:0,l=Math.min(f[0]-1,e+1),n=a[e+c*r];l==e?b[0][s].sub(n,a[k+c*r]).addSelf(n):b[0][s].copy(a[l+c*r]);h==c?b[1][s].sub(n,a[e+d*r]).addSelf(n):b[1][s].copy(a[e+
-h*r]);g+=m;s++});l+=n});this.line.set("attributes",{positionDU:b[k],positionDV:b[h]});this.mesh.set("attributes",{positionDU:b[k],positionDV:b[h]})}}});MathBox.Primitive.types.surface=MathBox.Surface;MathBox.BezierSurface=function(a){this.matrixX=new THREE.Matrix4;this.matrixY=new THREE.Matrix4;this.matrixZ=new THREE.Matrix4;this.coefficients=new THREE.Matrix4(-1,3,-3,1,3,-6,3,0,-3,3,0,0,1,0,0,0);MathBox.Surface.call(this,a)};
-MathBox.BezierSurface.prototype=_.extend(new MathBox.Surface(null),{defaults:function(){return{n:[64,64],domain:[[0,1],[0,1]],data:null,order:3,expression:function(){return 0},live:!0,points:!1,line:!1,mesh:!0,doubleSided:!0,flipSided:!1,shaded:!0,style:{}}},type:function(){return"bezierSurface"},calculate:function(){var a=this.vertices,b=this.get(),c=b.domain,d=b.data,e=b.order,f=b.shaded,h=b.n;"number"==typeof h&&(h=[h,h]);if(3!=e)throw"Bezier surface order must be 3.";var k=[],g;_.loop(e+1,function(a){_.loop(e+
-1,function(c){g=d&&void 0!==d[a]&&void 0!==d[a][c]?d[a][c]:b.expression.call(this,c,a,c,a);var e=0,f=0,h=0;g instanceof Array?(c=g.length,0<c&&(e=g[0]),1<c&&(f=g[1]),2<c&&(h=g[2])):(e=c,f=+g,h=a);k.push([e,f,h])}.bind(this))}.bind(this));g=k;this.matrixX.set(g[0][0],g[1][0],g[2][0],g[3][0],g[4][0],g[5][0],g[6][0],g[7][0],g[8][0],g[9][0],g[10][0],g[11][0],g[12][0],g[13][0],g[14][0],g[15][0]);this.matrixY.set(g[0][1],g[1][1],g[2][1],g[3][1],g[4][1],g[5][1],g[6][1],g[7][1],g[8][1],g[9][1],g[10][1],g[11][1],
-g[12][1],g[13][1],g[14][1],g[15][1]);this.matrixZ.set(g[0][2],g[1][2],g[2][2],g[3][2],g[4][2],g[5][2],g[6][2],g[7][2],g[8][2],g[9][2],g[10][2],g[11][2],g[12][2],g[13][2],g[14][2],g[15][2]);var l=this.coefficients;this.matrixX.multiplySelf(l).transpose().multiplySelf(l);this.matrixY.multiplySelf(l).transpose().multiplySelf(l);this.matrixZ.multiplySelf(l).transpose().multiplySelf(l);var l={bezierSurfaceX:this.matrixX,bezierSurfaceY:this.matrixY,bezierSurfaceZ:this.matrixZ},m=c[0][0],n=c[1][0],t=(c[0][1]-
-m)/(h[0]-1),s=(c[1][1]-n)/(h[1]-1),r=0;_.loop(h[1],function(b){m=c[0][0];_.loop(h[0],function(b){a[r].set(m,n,0);m+=t;r++}.bind(this));n+=s}.bind(this));l={uniforms:l,shaders:{position:function(a,b){f?(a.snippet("bezierSurface"+e),a.group(),a.snippet("mathTransform"),b.viewport(a),a.next(),a.snippet("mathTransform"),b.viewport(a),a.next(),a.snippet("mathTransform"),b.viewport(a),a.combine()):(a.snippet("bezierSurface"+e).snippet("mathTransform"),b.viewport(a))}}};this.mesh.set(l);this.line.set(l);
-this.points.set(l)}});MathBox.Primitive.types.bezierSurface=MathBox.BezierSurface;MathBox.Platonic=function(a){null!==a&&MathBox.Primitive.call(this,a)};
-MathBox.Platonic.prototype=_.extend(new MathBox.Primitive(null),{defaults:function(){return{n:1,type:"cube",points:!1,line:!1,mesh:!0,doubleSided:!0,flipSided:!1,shaded:!0,style:{}}},type:function(){return"platonic"},renderables:function(){return[this.mesh,this.line,this.points]},adjust:function(a){a=this.get();this.mesh.show(a.mesh);this.line.show(a.line);this.points.show(a.points)},make:function(){var a=this.get(),b=this.style,c;switch(a.type){case "cube":c=new THREE.CubeGeometry(2,2,2,1,1,1)}this.mesh=
-new MathBox.Renderable.Mesh(c,{type:"mesh",doubleSided:a.doubleSided,flipSided:a.flipSided,shaded:a.shaded,smooth:!1,dynamic:a.live},b);this.line=new MathBox.Renderable.Mesh(c,{type:"mesh",shaded:a.shaded,smooth:!1,dynamic:a.live,wireframe:!0},b);this.points=new MathBox.Renderable.Mesh(c.vertices,{type:"points",dynamic:a.live},b)}});MathBox.Primitive.types.platonic=MathBox.Platonic;MathBox.Label=function(a){null!==a&&MathBox.Primitive.call(this,a)};
-MathBox.Label.prototype=_.extend(new MathBox.Primitive(null),{defaults:function(){return{position:[0,0,0],facing:1,distance:15,style:{color:new THREE.Color(7368816)},text:""}},renderables:function(){return[this.labels]},type:function(){return"label"},adjust:function(a,b){var c=this.get(),d=[0,0,0];d[c.facing]=1;c=this.labelTangent;c.set.apply(c,d);this.labels.show(!0)},make:function(){var a=this.get(),b=a.position,c=a.text,d=a.distance,a=this.style,e=this.labelTangent=new THREE.Vector3,d={dynamic:!0,
-distance:d},f=new THREE.Vector3;f.set.apply(f,b);b=function(a){return c}.bind(this);this.labels=new MathBox.Renderable.Labels([f],e,b,d,a)}});MathBox.Label.validateArgs=function(a){return a};MathBox.Primitive.types.label=MathBox.Label;
-MathBox.Renderable=function(a,b){if(null!==a){this.id=++MathBox.Renderable.id;var c=this.defaults();a&&(a=_.extend(c,a||{}));this.set(a||c);this.geometry=this.material=this.object=null;this.visible=!0;this.style=b||new MathBox.Style;this.style.on("change",this.styleCallback=this.refreshStyle.bind(this));this.on("change",this.uniformsCallback=this.refreshOptions.bind(this));this.mathTransform=new THREE.Matrix4}};MathBox.Renderable.id=0;
-MathBox.Renderable.prototype={defaults:function(){return{}},make:function(a){},destroy:function(){},show:function(a){a=void 0===a?!0:!!a;a!=this.visible&&(this.visible=a,this.refresh())},isVisible:function(){return this.object&&this.object.visible},composeTransform:function(a,b,c){var d=THREE.Matrix4.__m1,e=THREE.Matrix4.__m2;d.identity();d.setRotationFromEuler(b,this.object.eulerOrder);e.makeScale(c.x,c.y,c.z);this.mathTransform.multiply(d,e);b=this.mathTransform.elements;b[12]=a.x;b[13]=a.y;b[14]=
-a.z},refreshStyle:function(a){var b=this.style.get();a=a||b;this.material&&this.material.applyUniforms(a);if(this.object){this.object.frustumCulled=!1;a.worldPosition&&(this.object.position=b.worldPosition);a.worldRotation&&(this.object.rotation=b.worldRotation);a.worldScale&&(this.object.scale=b.worldScale);if(a.mathPosition||a.mathRotation||a.mathScale)this.composeTransform(b.mathPosition,b.mathRotation,b.mathScale),this.material&&this.material.applyUniforms({mathTransform:this.mathTransform});
-void 0!==a.opacity&&(this.object.visible=this.visible&&0<b.opacity);void 0===a.opacity&&void 0===a.zIndex||!this.material||(this.object.renderDepth=b.zIndex*(1==b.opacity?1:-1))}},refreshOptions:function(a){var b=this.get();a=a||b;if(this.material){b=this.get();if(void 0!==a.doubleSided||void 0!==a.flipSided)this.material.side=b.doubleSided?THREE.DoubleSide:b.flipSided?THREE.BackSide:THREE.FrontSide,b={flipSided:b.doubleSided&&b.flipSided?-1:1},this.material.applyUniforms(b);(b=this.get().uniforms)&&
-this.material.applyUniforms(b);(b=this.get().attributes)&&this.material.applyAttributes(b)}},refresh:function(){this.refreshStyle();this.refreshOptions()},adjust:function(a){this.material&&this.material.applyUniforms(a.uniforms())}};MathBox.Attributes.mixin(MathBox.Renderable);MathBox.Renderable.Mesh=function(a,b,c){this.points=a;MathBox.Renderable.call(this,b,c)};
-MathBox.Renderable.Mesh.prototype=_.extend(new MathBox.Renderable(null),{defaults:function(){return{type:"points",doubleSided:!0,dynamic:!1,absolute:!1,strip:!0,shaders:{}}},make:function(a){var b=this.get(),c=b.type,d=b.strip,e={points:THREE.ParticleSystem,line:THREE.Line,mesh:THREE.Mesh}[c];if(!e)throw"Invalid Mesh type '"+c+"'";a=this.material=a.generic(b);var f;f=this.points;f instanceof Array?(f=this.geometry=new THREE.Geometry,f.vertices=this.points):f=this.geometry=f;f.dynamic=b.dynamic;switch(c){case "line":b=
-new THREE.Line(f,a,d?THREE.LineStrip:THREE.LinePieces);break;default:b=new e(f,a)}this.object=b;this.refresh()},adjust:function(a){this.get().dynamic&&(this.geometry.verticesNeedUpdate=!0);MathBox.Renderable.prototype.adjust.call(this,a)}});MathBox.Renderable.ArrowHead=function(a,b,c,d){this.from=a;this.to=b;MathBox.Renderable.call(this,c,d)};MathBox.Renderable.ArrowHead.geometry=new THREE.CylinderGeometry(0.33,0,1,16,1);
-MathBox.Renderable.ArrowHead.prototype=_.extend(new MathBox.Renderable(null),{defaults:function(){return{offset:0,absolute:!0,size:0.1}},make:function(a){var b=this.get();a=this.material=a.generic(b);this._from=new THREE.Vector3;this._to=new THREE.Vector3;this.diff=new THREE.Vector3;this.bi=new THREE.Vector3;this.normal=new THREE.Vector3(0,0,1);b=this.geometry=MathBox.Renderable.ArrowHead.geometry;this.object=new THREE.Mesh(b,a);this.refresh()},isVisible:function(){return this.visible&&0<this.style.get("opacity")},
-adjust:function(a){var b=this.get(),c=b.offset,d=this._from.copy(this.from),e=this._to.copy(this.to);this.mathTransform.multiplyVector3(d);this.mathTransform.multiplyVector3(e);a.to(d);a.to(e);d=this.diff.sub(d,e);if(0.001>d.length())this.object.visible=!1;else{this.object.visible=this.visible;d=d.normalize();this.normal.x=this.diff.y+0.1;this.normal.y=this.diff.z+0.2;this.normal.z=this.diff.x+0.3;this.normal.normalize();var f=this.bi.cross(this.normal,this.diff).normalize(),h=this.normal.cross(this.bi,
-this.diff),b=b.size,e=(new THREE.Matrix4(f.x,d.x,h.x,e.x,f.y,d.y,h.y,e.y,f.z,d.z,h.z,e.z,0,0,0,1)).scale(new THREE.Vector3(b,b,b));this.object.updateMatrix();this.object.matrix.multiplySelf(e);e.identity().setPosition({x:0,y:0.5-c,z:0});this.object.matrix.multiplySelf(e);this.object.matrixAutoUpdate=!1;this.object.matrixWorldNeedsUpdate=!0;MathBox.Renderable.prototype.adjust.call(this,a)}}});
-MathBox.Renderable.Ticks=function(a,b,c,d,e){this.points=a;this.signs=b;this.epsilon=c;MathBox.Renderable.call(this,d,e)};
-MathBox.Renderable.Ticks.prototype=_.extend(new MathBox.Renderable(null),{defaults:function(){return{dynamic:!1,absolute:!1,size:0.1}},make:function(a){var b=this.get(),c=this.points;a=this.material=a.generic({type:"line",shaders:{position:function(a,c){c.position(a,b);a.snippet("tickVertexSplit");a.group();c.viewport(a);a.next();c.viewport(a);a.combine();a.snippet("tickVertexJoin")}}});var d=this.geometry=new THREE.Geometry;d.vertices=c;this.object=new THREE.Line(d,a,THREE.LinePieces);this.refresh()},
-adjust:function(a){var b=this.get();this.material&&this.material.applyAttributes({tickSign:this.signs});this.material&&this.material.applyUniforms({tickEpsilon:this.epsilon,tickSize:b.size});b.dynamic&&(this.material.attributes.tickSign.needsUpdate=!0,this.geometry.verticesNeedUpdate=!0);MathBox.Renderable.prototype.adjust.call(this,a)}});MathBox.Renderable.Labels=function(a,b,c,d,e){this.points=a;this.tangent=b;this.callback=c;this.sprites=[];MathBox.Renderable.call(this,d,e)};
-MathBox.Renderable.Labels.prototype=_.extend(new MathBox.Renderable(null),{defaults:function(){return{absolute:!0,distance:15,size:1}},make:function(a){this.get();var b=this.tangent,c=this.sprites;a=this.points.length;this._anchor=new THREE.Vector3;var d=document.createElement("div"),e=this.object=new MathBox.Sprite(d);d.className="mathbox-labels";_.loop(a,function(a){a=document.createElement("div");var d=document.createElement("div");a.appendChild(d);var k=new MathBox.Sprite(a,b);a.className="mathbox-label";
-d.className="mathbox-wrap";d.style.position="relative";d.style.display="inline-block";d.style.left="-50%";d.style.top="-.5em";c.push(k);e.add(k)})},adjust:function(a,b,c,d,e){var f=this.get(),h=this.points;b=this.sprites;var k=this.callback,g=f.decimals,l=this.style.get("opacity"),m=window.MathJax&&MathJax.Hub,n=1/Math.log(10);_.each(b,function(b,c){b.position.copy(h[c]);a.to(b.position);e.matrix.multiplyVector3(b.position);b.distance=f.distance;b.opacity=l;var d="";if(k){d=k(c);void 0===d&&(d="");
-if(+d==d){var q=+d;if(0!=q)var d=0>q?-1:1,q=Math.abs(q),u=Math.pow(10,g-1-Math.floor(Math.log(q)*n)),d=q=d*Math.round(u*q)/u}m||(d=(""+d).replace(/^-/,"\u2013"))}b.content!==d&&(q=b.element.children[0],b.content=d,b.measure=!0,m?(q.innerHTML="\\("+d+"\\)",MathJax.Hub.queue.Push(["Typeset",MathJax.Hub,q])):q.innerHTML=d)});MathBox.Renderable.prototype.adjust.call(this,a)}});
-MathBox.Viewport=function(a){if(null!==a){var b=this.defaults();a=_.extend(b,a||{});this.set(a);this.singleton="viewport";this._uniforms={}}};
-MathBox.Viewport.prototype={defaults:function(){return{type:"none",rotation:[0,0,0],position:[0,0,0]}},uniforms:function(){return this._uniforms},axis:function(a){return[0,1]},to:function(a){},from:function(a){},update:function(a){var b=this.get();_.each(["position","rotation"],function(c){a[c].set.apply(a[c],b[c])})},shader:function(a){a.snippet("mathToWorld")},validateRotation:function(a){return a.constructor==Array?(a=a.concat([0,0,0]),a.slice(0,3)):this.get("rotation")},validatePosition:function(a){return a.constructor==
-Array?(a=a.concat([0,0,0]),a.slice(0,3)):this.get("position")}};MathBox.Attributes.mixin(MathBox.Viewport,"type");MathBox.Viewport.types={};MathBox.Viewport.make=function(a){return new (MathBox.Viewport.types[a.type]||MathBox.Viewport.types.cartesian||MathBox.Viewport)(a)};
-MathBox.ViewportCartesian=function(a){if(null!==a){var b=MathBox.Viewport;b.call(this,a);this.super=b.prototype;this.transform=new THREE.Matrix4;this.inverse=new THREE.Matrix4;_.extend(this._uniforms,{viewportTransform:this.transform,viewportInverse:this.inverse})}};
-MathBox.ViewportCartesian.prototype=_.extend(new MathBox.Viewport(null),{defaults:function(){return{type:"cartesian",range:[[-1,1],[-1,1],[-1,1]],scale:[1,1,1],rotation:[0,0,0],position:[0,0,0]}},to:function(a){this.transform.multiplyVector3(a)},from:function(a){this.inverse.multiplyVector3(a)},axis:function(a){var b=this.get().range[a];a=b[0];var c=b[1],b=Math.min(a,c);a=Math.max(a,c);return[b,a]},update:function(a){var b=this.get(),c=b.range,d=b.scale,b=c[0][0],e=c[1][0],f=c[2][0],h=c[0][1]-b,k=
-c[1][1]-e,c=c[2][1]-f,g=d[0],l=d[1],d=d[2],m=[h/(2*g),0,0,b+h/2,0,k/(2*l),0,e+k/2,0,0,c/(2*d),f+c/2,0,0,0,1];this.transform.set.apply(this.transform,[2*g/h,0,0,-(2*b+h)*g/h,0,2*l/k,0,-(2*e+k)*l/k,0,0,2*d/c,-(2*f+c)*d/c,0,0,0,1]);this.inverse.set.apply(this.inverse,m);MathBox.Viewport.prototype.update.call(this,a)},validateRange:function(a){a=a||[];for(var b=0;3>b;++b){a[b]=a[b]||[];for(var c=0;2>c;++c)a[b][c]=void 0!==a[b][c]?a[b][c]:2*c-1}return a},validateScale:function(a){a=a||[];for(var b=0;3>
-b;++b)a[b]=a[b]||1;return a}});MathBox.Attributes.mixin(MathBox.Viewport);MathBox.Viewport.types.cartesian=MathBox.ViewportCartesian;MathBox.ViewportPolar=function(a){var b=MathBox.ViewportCartesian;b.call(this,a);this.super=b.prototype;_.extend(this._uniforms,{polarAlpha:0,polarAspect:1,polarPower:1,polarFold:1,polarFocus:1,polarHelix:0})};
-MathBox.ViewportPolar.prototype=_.extend(new MathBox.ViewportCartesian(null),{defaults:function(){return{type:"polar",range:[[-1,1],[-1,1],[-1,1]],polar:1,fold:1,power:1,helix:0,scale:[1,1,1],rotation:[0,0,0],position:[0,0,0]}},to:function(a){var b=this._uniforms.polarAspect,c=this._uniforms.polarFocus,d=this._uniforms.polarAlpha,e=this._uniforms.polarPower,f=this._uniforms.polarHelix;a.x*=this._uniforms.polarFold;a.y=Math.sign(a.y)*Math.pow(Math.abs(a.y),e);if(1E-4<d){var e=c+a.y*b,h=a.x*d;a.z+=
-a.x*f*d;a.x=Math.sin(h)*e;a.y=(Math.cos(h)*e-c)/b}this.transform.multiplyVector3(a)},from:function(a){var b=this._uniforms.polarAspect,c=this._uniforms.polarFocus,d=this._uniforms.polarAlpha,e=this._uniforms.polarFold,f=this._uniforms.polarPower,h=this._uniforms.polarHelix;this.inverse.multiplyVector3(a);if(1E-4<d){var k=a.x,g=a.y*b+c,l=Math.sqrt(k*k+g*g);theta=Math.atan2(k,g);a.x=theta/d;a.y=(l-c)/b;a.z-=a.x*h*d}a.x/=e;a.y=Math.sign(a.y)*Math.pow(Math.abs(a.y),1/f)},axis:function(a){var b=this.super.axis.call(this,
-a);min=b[0];max=b[1];alpha=this._uniforms.polarAlpha;aspect=this._uniforms.polarAspect;focus=this._uniforms.polarFocus;1==a&&0<alpha&&(max=Math.max(Math.abs(max),Math.abs(min)),min=Math.max(-focus/aspect+0.001,min));return[min,max]},update:function(a){var b=this.get(),c=b.range,d=b.scale,e=b.polar,f=b.fold,h=b.power,b=b.helix,k=1,g=c[0][0],l=c[1][0],m=c[2][0],n=c[0][1]-g,t=c[1][1]-l,c=c[2][1]-m,s=d[0],r=d[1],d=d[2],k=0<n?1:-1,q=Math.abs(t),q=n+(q*k-n)*e,k=Math.abs(q/s/(t/r)),u=[q/(2*s),0,0,g+n/2,
-0,t/(2*r),0,l+t/2,0,0,c/(2*d),m+c/2,0,0,0,1];this.transform.set.apply(this.transform,[2*s/q,0,0,-(2*g+n)*s/n,0,2*r/t,0,-(2*l+t)*r/t,0,0,2*d/c,-(2*m+c)*d/c,0,0,0,1]);this.inverse.set.apply(this.inverse,u);this._uniforms.polarAlpha=e;this._uniforms.polarAspect=k;this._uniforms.polarFold=f;this._uniforms.polarPower=h;this._uniforms.polarFocus=0<e?1/e-1:0;this._uniforms.polarHelix=b;MathBox.Viewport.prototype.update.call(this,a)},shader:function(a){a.snippet("polarPower").snippet("cartesianToPolar").snippet("mathToWorld")},
-validatePolar:function(a){return Math.max(0,Math.min(1,+a||0))},validateFold:function(a){return+a||0},validatePower:function(a){return+a||0},validateHelix:function(a){return+a||0}});MathBox.Attributes.mixin(MathBox.Viewport);MathBox.Viewport.types.polar=MathBox.ViewportPolar;MathBox.ViewportProjective=function(a){var b=MathBox.ViewportCartesian;b.call(this,a);this.super=b.prototype;_.extend(this._uniforms,{projectiveTransform:new THREE.Matrix4,projectiveInverse:new THREE.Matrix4})};
-MathBox.ViewportProjective.prototype=_.extend(new MathBox.ViewportCartesian(null),{defaults:function(){return{type:"projective",range:[[-1,1],[-1,1],[-1,1]],scale:[1,1,1],rotation:[0,0,0],position:[0,0,0],projective:[[1,0,0,0],[0,1,0,0],[0,0,1,0],[0,0,0,1]]}},to:function(a){this._uniforms.projectiveTransform.multiplyVector3(a);this.transform.multiplyVector3(a)},from:function(a){this.inverse.multiplyVector3(a);this._uniforms.projectiveInverse.multiplyVector3(a)},update:function(a){var b=this._uniforms.projectiveTransform,
-c=this.get("projective");b.set.apply(b,c[0].concat(c[1],c[2],c[3]));this._uniforms.projectiveInverse.getInverse(b);MathBox.ViewportCartesian.prototype.update.call(this,a)},shader:function(a){a.snippet("projectiveTransform").snippet("mathToWorld")},validateProjective:function(a){if(a.constructor==Array){for(var b=0;3>b;++b)a[b]=a[b]&&a.constructor==Array&&a[b]||[],a[b]=a[b].concat([0,0,0,0]).slice(0,4);return a}}});MathBox.Attributes.mixin(MathBox.Viewport);MathBox.Viewport.types.projective=MathBox.ViewportProjective;
-MathBox.ViewportSphere=function(a){var b=MathBox.ViewportCartesian;b.call(this,a);this.super=b.prototype;_.extend(this._uniforms,{sphereAlpha:0,sphereAspectX:1,sphereAspectY:1,sphereYScale:1,sphereFocus:1})};
-MathBox.ViewportSphere.prototype=_.extend(new MathBox.ViewportCartesian(null),{defaults:function(){return{type:"sphere",range:[[-1,1],[-1,1],[-1,1]],sphere:1,scale:[1,1,1],rotation:[0,0,0],position:[0,0,0]}},to:function(a){var b=this._uniforms.sphereAspectX,c=this._uniforms.sphereAspectY,d=this._uniforms.sphereYScale,e=this._uniforms.sphereFocus,f=this._uniforms.sphereAlpha;if(1E-4<f){var h=e+a.z*b,k=a.x*f,d=a.y*f/c*d,f=Math.cos(d)*h;a.x=Math.sin(k)*f;a.y=Math.sin(d)*h*c;a.z=(Math.cos(k)*f-e)/b}this.transform.multiplyVector3(a)},
-from:function(a){var b=this._uniforms.sphereAspectX,c=this._uniforms.sphereAspectY,d=this._uniforms.sphereYScale,e=this._uniforms.sphereFocus,f=this._uniforms.sphereAlpha;this.inverse.multiplyVector3(a);if(1E-4<f){var h=a.x,k=a.y/c,g=a.z*b+e,l=Math.sqrt(h*h+k*k+g*g),k=Math.atan2(k,Math.sqrt(h*h+g*g)),h=Math.atan2(h,g);a.x=h/f;a.y=k/f*c/d;a.z=(l-e)/b}},axis:function(a){var b=this.super.axis.call(this,a);min=b[0];max=b[1];alpha=this._uniforms.sphereAlpha;beta=this._uniforms.sphereBeta;aspectX=this._uniforms.sphereAspectX;
-aspectY=this._uniforms.sphereAspectY;focus=this._uniforms.sphereFocus;2==a&&0<alpha&&(max=Math.max(Math.abs(max),Math.abs(min)),min=Math.max(-focus/aspectX,min));return[min,max]},update:function(a){var b=this.get(),c=b.range,d=b.scale,b=b.sphere,e=0<b?1/b-1:0,f=c[0][0],h=c[1][0],k=c[2][0],g=c[0][1]-f,l=c[1][1]-h,c=c[2][1]-k,m=d[0],n=d[1],d=d[2],t=0<g?1:-1,s=0<l?1:-1,r=Math.abs(c),t=g+(r*t-g)*b,s=l+(r*s-l)*b,r=c/d;aspectX=t/m/r;aspectY=s/n/r/aspectX;aspectZ=l/g*m/n*2;yScale=Math.min(aspectY/b,1+(aspectZ-
-1)*b);r=[t/(2*m),0,0,f+g/2,0,s/(2*n),0,h+l/2,0,0,c/(2*d),k+c/2,0,0,0,1];this.transform.set.apply(this.transform,[2*m/t,0,0,-(2*f+g)*m/g,0,2*n/s,0,-(2*h+l)*n/l,0,0,2*d/c,-(2*k+c)*d/c,0,0,0,1]);this.inverse.set.apply(this.inverse,r);this._uniforms.sphereAlpha=b;this._uniforms.sphereAspectX=aspectX;this._uniforms.sphereAspectY=aspectY;this._uniforms.sphereYScale=yScale;this._uniforms.sphereFocus=e;MathBox.Viewport.prototype.update.call(this,a)},shader:function(a){a.snippet("cartesianToSphere").snippet("mathToWorld")},
-validateSphere:function(a){return Math.max(0,Math.min(1,+a||0))}});MathBox.Attributes.mixin(MathBox.Viewport);MathBox.Viewport.types.sphere=MathBox.ViewportSphere;
+
diff --git a/build/MathBox.js b/build/MathBox.js
index c5c31ef..e056f20 100644
--- a/build/MathBox.js
+++ b/build/MathBox.js
@@ -6723,9 +6723,16 @@ MathBox.Label.prototype = _.extend(new MathBox.Primitive(null), {
     var options = this.get(),
     // Axis vector direction for labels
     p = [0, 0, 0];
+
     p[options.facing] = 1;
+
     var labelTangent = this.labelTangent;
     labelTangent.set.apply(labelTangent, p);
+
+    var position = options.position;
+    var labelPoint = this.labelPoint;
+    labelPoint.set.apply(labelPoint, position);
+
     this.labels.show(true);
   },
 
@@ -6735,10 +6742,10 @@ MathBox.Label.prototype = _.extend(new MathBox.Primitive(null), {
       text = options.text,
       distance = options.distance,
       style = this.style,
-      labelTangent = this.labelTangent = new THREE.Vector3();
+    labelTangent = this.labelTangent = new THREE.Vector3(),
+      labelPoint  = this.labelPoint = new THREE.Vector3();
 
     var labelOptions = { dynamic: true, distance: distance };
-    var labelPoint  = new THREE.Vector3();
     labelPoint.set.apply(labelPoint, position)
     // label text callback
     var callback = function (i) {
diff --git a/build/MathBox.min.js b/build/MathBox.min.js
index 696089e..8b13789 100644
--- a/build/MathBox.min.js
+++ b/build/MathBox.min.js
@@ -1,208 +1 @@
-var MicroEvent=function(){};MicroEvent.prototype={bind:function(a,b){this._events=this._events||{};this._events[a]=this._events[a]||[];this._events[a].push(b)},unbind:function(a,b){this._events=this._events||{};!1!==a in this._events&&this._events[a].splice(this._events[a].indexOf(b),1)},trigger:function(a){this._events=this._events||{};if(!1!==a in this._events)for(var b=0;b<this._events[a].length;b++)this._events[a][b].apply(this,Array.prototype.slice.call(arguments,1))}};
-MicroEvent.mixin=function(a){for(var b=["bind","unbind","trigger"],c=0;c<b.length;c++)a.prototype[b[c]]=MicroEvent.prototype[b[c]]};"undefined"!==typeof module&&"exports"in module&&(module.exports=MicroEvent);
-function microAjax(a,b,c){this.bindFunction=function(a,b){return function(){return a.apply(b,[b])}};this.stateChange=function(a){4==this.request.readyState&&this.callbackFunction(this.request.responseText)};this.getRequest=function(){return window.ActiveXObject?new ActiveXObject("Microsoft.XMLHTTP"):window.XMLHttpRequest?new XMLHttpRequest:!1};this.postBody=c||"";this.callbackFunction=b;this.url=a;if(this.request=this.getRequest())b=this.request,b.onreadystatechange=this.bindFunction(this.stateChange,
-this),""!==this.postBody?(b.open("POST",a,!0),b.setRequestHeader("X-Requested-With","XMLHttpRequest"),b.setRequestHeader("Content-type","application/x-www-form-urlencoded"),b.setRequestHeader("Connection","close")):b.open("GET",a,!0),b.send(this.postBody)}var \u03c0=Math.PI,\u03c4=2*\u03c0;(function(a){for(var b in a)if(!window[b])throw"Error: ThreeBox requires "+a[b];})({THREE:"Three.js",tQuery:"tQuery.js (bundle)"});window.ThreeBox={};
-window.threeBox=function(a,b){!a||a instanceof Node||(b=a,a=null);return tQuery.createWorld(b).threeBox(a,b)};MicroEvent.prototype.on=function(){MicroEvent.prototype.bind.apply(this,arguments);return this};MicroEvent.prototype.emit=function(){MicroEvent.prototype.trigger.apply(this,arguments);return this};MicroEvent.mixin=function(a){for(var b=["bind","unbind","trigger","on","emit"],c=0;c<b.length;c++)a.prototype[b[c]]=MicroEvent.prototype[b[c]]};tQuery.World.prototype.on=tQuery.World.prototype.addEventListener;
-tQuery.World.prototype.emit=tQuery.World.prototype.dispatchEvent;tQuery.World.registerInstance("threeBox",function(a,b){!a||a instanceof Node||(b=a,a=null);var c=a=a||document.body;a==document.body?(c.style.margin=0,c.style.padding=0,c.style.overflow="hidden"):(getComputedStyle(a),"static"==a.position&&(a.position="relative"));this.appendTo(c);this.addThreeBox(a,b||{});return this});
-tQuery.World.registerInstance("addThreeBox",function(a,b){console.assert(!0!==this.hasThreeBox());b=tQuery.extend(b,{cameraControls:!1,cursor:!0,controlClass:ThreeBox.OrbitControls,elementResize:!0,fullscreen:!0,screenshot:!0,stats:!0,scale:1});this.tRenderer().domElement.style.display="block";var c={};tQuery.data(this,"_threeBoxContext",c);var d=this.tCamera(),e=this.tRenderer();b.stats&&(c.stats=new Stats,c.stats.domElement.style.position="absolute",c.stats.domElement.style.left="10px",c.stats.domElement.style.top=
-"10px",a&&a.appendChild(c.stats.domElement),c.loopStats=function(){c.stats.update()},this.loop().hook(c.loopStats));if(b.cameraControls){var f=this.loop(),g=this.render.bind(this);c.cameraControls=new b.controlClass(d,a,b);if(c.cameraControls.on)c.cameraControls.on("change",function(){f._timerId||g()});this.setCameraControls(c.cameraControls)}b.elementResize&&(c.elementResize=ThreeBox.ElementResize.bind(e,d,a,b).on("resize",function(a,b){this._opts.renderW=a;this._opts.renderH=b;this.emit("resize",
-a,b)}.bind(this)));null!==b.cursor&&(c.cursor=ThreeBox.Cursor.bind(a,b));THREEx&&THREEx.Screenshot&&b.screenshot&&(c.screenshot=THREEx.Screenshot.bindKey(e));THREEx&&THREEx.FullScreen&&b.fullscreen&&THREEx.FullScreen.available()&&(c.fullscreen=THREEx.FullScreen.bindKey());c._$onDestroy=this.bind("destroy",function(){!1!==this.hasThreeBox()&&this.removeThreeBox()});return this});tQuery.World.registerInstance("hasThreeBox",function(){return void 0===tQuery.data(this,"_threeBoxContext")?!1:!0});
-tQuery.World.registerInstance("removeThreeBox",function(){var a=tQuery.data(this,"_threeBoxContext");if(void 0===a)return this;tQuery.removeData(this,"_threeBoxContext");this.unbind("destroy",this._$onDestroy);a.stats&&(document.body.removeChild(a.stats.domElement),this.loop().unhook(a.loopStats));a.cameraControls&&this.removeCameraControls()&&a.cameraControls.stop();a.elementResize&&a.elementResize.unbind();a.cursor&&a.cursor.unbind();a.screenshot&&a.screenshot.unbind();a.fullscreen&&a.fullscreen.unbind()});
-ThreeBox.ElementResize=function(a,b,c,d){this.scale=d.scale||1;this.orbit=d.orbit;d=this.callback=function(){var d=Math.floor(c.offsetWidth),f=Math.floor(c.offsetHeight);a.domElement.style.position="absolute";a.domElement.style.width=d+"px";a.domElement.style.height=f+"px";var g=Math.floor(d/this.scale),h=Math.floor(f/this.scale);a.setSize(g,h);b.aspect=d/f;b instanceof THREE.OrthographicCamera&&(b.top=this.orbit/2,b.bottom=-b.top,b.left=-b.top*b.aspect,b.right=-b.bottom*b.aspect);b.updateProjectionMatrix();
-this.emit("resize",g,h)}.bind(this);window.addEventListener("resize",d,!1);c.addEventListener("resize",d,!1);setTimeout(d,0)};ThreeBox.ElementResize.bind=function(a,b,c,d){return new ThreeBox.ElementResize(a,b,c,d)};ThreeBox.ElementResize.prototype.scale=function(a){this.scale=a};ThreeBox.ElementResize.prototype.unbind=function(){window.removeEventListener("resize",callback);domElement.removeEventListener("resize",callback)};MicroEvent.mixin(ThreeBox.ElementResize);
-ThreeBox.OrbitControls=function(a,b,c){this.element=b;this.camera=a;this.options=tQuery.extend(c,{phi:\u03c4/4,theta:0.3,orbit:2,lookAt:[0,0,0],speed:2});this.init();this.start();this.update()};
-ThreeBox.OrbitControls.prototype={init:function(){this.width=this.element&&this.element.offsetWidth;this.height=this.element&&this.element.offsetHeight;this.phi=this.options.phi;this.theta=this.options.theta;this.orbit=this.options.orbit;this.speed=this.options.speed;this.lookAt=new THREE.Vector3;this.lookAt.set.apply(this.lookAt,this.options.lookAt||[])},start:function(){var a=this;this._mouseDown=function(b){a.width=a.element&&a.element.offsetWidth;a.height=a.element&&a.element.offsetHeight;a.drag=
-!0;a.lastHover=a.origin={x:b.pageX,y:b.pageY};b.preventDefault()};this._mouseUp=function(){a.drag=!1};this._mouseMove=function(b){if(a.drag){var c={x:b.pageX-a.origin.x,y:b.pageY-a.origin.y},d={x:b.pageX-a.lastHover.x,y:b.pageY-a.lastHover.y};a.lastHover={x:b.pageX,y:b.pageY};a.moved(a.origin,c,d)}};this.element&&(this.element.addEventListener("mousedown",this._mouseDown,!1),document.addEventListener("mouseup",this._mouseUp,!1),document.addEventListener("mousemove",this._mouseMove,!1))},stop:function(){this.element&&
-(this.element.removeEventListener("mousedown",this._mouseDown),document.removeEventListener("mouseup",this._mouseUp),document.removeEventListener("mousemove",this._mouseMove))},moved:function(a,b,c){this.phi+=c.x*this.speed/this.width;this.theta=Math.min(\u03c0/2,Math.max(-\u03c0/2,this.theta+c.y*this.speed/this.height));this.emit("change")},update:function(){this.camera.position.x=Math.cos(this.phi)*Math.cos(this.theta)*this.orbit;this.camera.position.y=Math.sin(this.theta)*this.orbit;this.camera.position.z=
-Math.sin(this.phi)*Math.cos(this.theta)*this.orbit;this.camera.position.addSelf(this.lookAt);this.camera.lookAt(this.lookAt)}};ThreeBox.OrbitControls.bind=function(a,b,c){return new ThreeBox.OrbitControls(a,b,c)};MicroEvent.mixin(ThreeBox.OrbitControls);
-ThreeBox.Cursor=function(a,b){function c(){f||(a.style.cursor=d);clearTimeout(e);f=!1;e=setTimeout(function(){f=!0;a.style.cursor="none"},g)}var d=b.cameraControls?"move":"default",e=null,f=!1,g=2E3;b.cursor?a.style.cursor=d:(a.addEventListener("mousemove",c),a.style.cursor="none");return{unbind:function(){a.removeEventListener("mousemove",c)}}};ThreeBox.Cursor.bind=function(a,b){return ThreeBox.Cursor(a,b)};
-ThreeBox.preload=function(a,b){a instanceof Function&&(b=a,a=[]);a="string"==typeof a?[a]:a;var c=a.length,d={},e=function(a){_.extend(d,a||{});0==--c&&b(d)},f=ThreeBox.preload,g={},h={html:f.html,jpg:f.image,png:f.image,gif:f.image,mp3:f.audio};_.each(h,function(a,b){g[b]=RegExp("\\."+b+"$")});_.each(a,function(a){_.each(h,function(b,c){if(a.match(g[c])){var d=a.split(/\//g).pop().replace(/\.[A-Za-z0-9]+$/,"");b(a,d,e)}})})};
-ThreeBox.preload.html=function(a,b,c){new microAjax(a,function(b){var e;(e=b.match(/^<script[^>]*type=['"]text\/javascript['"][^>]*>([\s\S]+?)<\/script>$/m))?(b=document.createElement("script"),b.type="text/javascript",b.innerHTML=e[1],document.body.appendChild(b)):(e=document.createElement("div"),e.innerHTML=b,document.body.appendChild(e));console.log("Loaded HTML ",a);c()})};
-ThreeBox.preload.image=function(a,b,c){THREE.ImageUtils.loadTexture(a,null,function(d){var e={};e[b]=d;console.log("Loaded texture ",a);c(e)})};ThreeBox.preload.audio=function(a,b,c){var d=new XMLHttpRequest;d.open("GET",a,!0);d.responseType="arraybuffer";d.onload=function(){var e={};e[b]=d.response;console.log("Loaded audio ",a);c(e)};d.send()};(function(a){for(var b in a)if(!window[b])throw"Error: ThreeRTT requires "+a[b];})({THREE:"Three.js"});window.ThreeRTT=window.ThreeRTT||{};
-ThreeRTT.World=function(){};ThreeRTT.getShader=function(a){var b=document.getElementById(a);return b&&b.innerText||a};_.loop=function(a,b){for(var c=0;c<a;++c)b(c)};ThreeRTT.getShader=function(a){var b=document.getElementById(a);return b&&(b.innerText||b.textContent)||a};ThreeRTT.isPowerOfTwo=function(a){return 0===(a&a-1)};ThreeRTT.toTarget=function(a){return ThreeRTT.Stage&&a instanceof ThreeRTT.Stage?a.target:ThreeRTT.World&&a instanceof ThreeRTT.World?a.target():a};
-ThreeRTT.toTexture=function(a,b){a=ThreeRTT.toTarget(a);return ThreeRTT.RenderTarget&&a instanceof ThreeRTT.RenderTarget?a.read():a};MicroEvent.prototype.on=function(){MicroEvent.prototype.bind.apply(this,arguments);return this};MicroEvent.prototype.emit=function(){MicroEvent.prototype.trigger.apply(this,arguments);return this};MicroEvent.mixin=function(a){for(var b=["bind","unbind","trigger","on","emit"],c=0;c<b.length;c++)a.prototype[b[c]]=MicroEvent.prototype[b[c]]};
-ThreeRTT.Stage=function(a,b){b=_.extend({history:0,camera:{},scene:null},b);b.camera.aspect=b.camera.aspect||b.width/b.height;this.camera=ThreeRTT.Camera(b.camera);this.target=new ThreeRTT.RenderTarget(a,b);this.reset();this.size(b.width,b.height)};
-ThreeRTT.Stage.prototype={options:function(){return this.target.options},reset:function(){this.scenes=[];this.passes=[]},paint:function(a,b){var c=new THREE.Scene;if(!b){var d=new ThreeRTT.FragmentMaterial(this,"generic-fragment-texture"),d=this._surface(d);c.add(d)}c.add(a);this.scenes.push(c);this.passes.push(1)},iterate:function(a,b){var c=this._surface(b),d=new THREE.Scene;d.add(c);this.scenes.push(d);this.passes.push(a);return this},fragment:function(a){this.iterate(1,a);return this},size:function(a,
-b){a=Math.floor(a);b=Math.floor(b);this.camera.aspect=a/b;this.camera.updateProjectionMatrix();this.target.size(a,b);return this},read:function(a){return this.target.read(a)},uniform:function(){return this.target.uniform()},render:function(){this.target.clear();_.each(this.passes,function(a,b){_.loop(a,function(a){this.target.render(this.scenes[b],this.camera)}.bind(this))}.bind(this));return this},clear:function(){this.target.clear();return this},destroy:function(){this.target.deallocate();this.scenes=
-[];this.passes=[];this.target=this.camera=null},_surface:function(a){var b=new THREE.Mesh(new ThreeRTT.ScreenGeometry,{});b.frustumCulled=!1;b.material=a;b.renderDepth=Infinity;return b}};ThreeRTT.Compose=function(a,b,c,d){THREE.Object3D.call(this);a=new ThreeRTT.FragmentMaterial(a,b,c,d);b=new ThreeRTT.ScreenGeometry;a=this.mesh=new THREE.Mesh(b,a);a.frustumCulled=!1;this.add(a)};ThreeRTT.Compose.prototype=new THREE.Object3D;
-ThreeRTT.Camera=function(a){if(a instanceof THREE.Camera)return a;a=_.extend({aspect:1,far:1E4,fov:85,near:0.01,ortho:!1,scale:1},a);if(a.ortho){var b=a.scale,c=a.aspect;return new THREE.OrthographicCamera(-b*c,b*c,-b,b,a.near,a.far)}return new THREE.PerspectiveCamera(a.fov,a.aspect,a.near,a.far)};
-ThreeRTT.RenderTarget=function(a,b){this.options=b=_.extend({width:256,height:256,texture:{},clear:{color:!1,depth:!1,stencil:!1},clearColor:16777215,clearAlpha:1,history:0,scene:null,camera:null,autoAdvance:!0},b);this.renderer=a;ThreeRTT.isPowerOfTwo(b.width)&&ThreeRTT.isPowerOfTwo(b.height)||b.texture.minFilter||(b.texture.minFilter=THREE.LinearFilter);this.history(this.options.history,!0);this.size(b.width,b.height);this.clear()};
-ThreeRTT.RenderTarget.prototype={read:function(a){a=Math.max(0,Math.min(this.options.history,Math.abs(a||0)));return this.virtuals[a]},write:function(){return this.targets[this.index]},history:function(a,b){void 0!==a&&(this._history=a,this.buffers=a+2,b||this.allocate());return this._history},size:function(a,b){void 0!==a&&void 0!==b&&(this.width=Math.max(1,Math.floor(a)),this.height=Math.max(1,Math.floor(b)),this.allocate());return{width:this.width,height:this.height}},deallocate:function(){this.deallocateTargets()},
-allocate:function(){this.deallocateTargets();this.allocateTargets();this.allocateVirtuals()},deallocateTargets:function(){_.each(this.targets||[],function(a){a.dispose()}.bind(this))},allocateTargets:function(){var a=this.options;n=this.buffers;var b=this.targets=[];_.loop(n,function(c){b.push(new THREE.WebGLRenderTarget(this.width,this.height,a.texture));b[c].__index=c}.bind(this))},allocateVirtuals:function(){var a=this.targets[0],b=this.virtuals||[];n=Math.max(1,this.buffers-1);n>b.length?_.loop(n-
-b.length,function(){b.push(a.clone())}.bind(this)):b=b.slice(0,n);_.each(b,function(a,b){a.width=this.width;a.height=this.height;a.__index=b}.bind(this));this.virtuals=b;this.index=-1;this.advance()},advance:function(){var a=this.targets,b=this.virtuals,c=this.index,d=this.buffers,e=b.length;this.index=c=(c+1)%d;_.loop(e,function(f){var g=b[f];f=a[(e-f+c)%d];g.__webglTexture=f.__webglTexture;g.__webglFramebuffer=f.__webglFramebuffer;g.__webglRenderbuffer=f.__webglRenderbuffer;g.__index=f.__index})},
-clear:function(){var a=this.options,b=a.clear,c=this.renderer,d=c.getClearColor().clone(),e=c.getClearAlpha();c.setClearColor(a.clearColor,a.clearAlpha);c.clearTarget(this.write(),b.color,b.depth,b.stencil);c.setClearColor(d,e)},render:function(a,b){this.emit("render",a,b);var c=this.renderer.autoClear;this.renderer.autoClear=!1;this.clear();this.renderer.render(a,b,this.write());this.renderer.autoClear=c;this.options.autoAdvance&&this.advance()},uniform:function(a){var b=this.history();if(b){var c=
-[];_.loop(b+1,function(a){c.push(this.read(-a))}.bind(this));return{type:"tv",value:c,count:b+1}}return{type:"t",value:a,texture:this.read(),count:1}}};MicroEvent.mixin(ThreeRTT.RenderTarget);ThreeRTT.ScreenGeometry=function(){return new THREE.PlaneGeometry(2,2,1,1)};
-ThreeRTT.ShaderMaterial=function(a,b,c,d,e){if(d instanceof Array){var f={};_.each(d,function(a,b){f["texture"+(i+1)]=a});d=f}else if(d instanceof THREE.Texture||d instanceof ThreeRTT.World||d instanceof THREE.WebGLRenderTarget)d={texture1:d};a instanceof Array||(a=[a]);a=_.map(a,function(a){return ThreeRTT.toTarget(a)});e=_.extend(e||{},{sampleStep:{type:"v2",value:new THREE.Vector2}});_.each(d,function(a,b){e[b]={type:"t",value:ThreeRTT.toTexture(a)}});_.each(a,function(a,b){var c="texture"+(b+
-1);a.read&&!e[c]&&(e[c]={type:"t",value:a.read()})});e.texture1&&!e.texture&&(e.texture=e.texture1);a[0].on("render",function(){var b=a[0].options.texture,c=b.wrapT,d={1E3:0,1001:1,1002:0},f=e.sampleStep.value;f.x=1/(a[0].width-(d[b.wrapS]||0));f.y=1/(a[0].height-(d[c]||0))});return new THREE.ShaderMaterial({uniforms:e,vertexShader:ThreeRTT.getShader(b||"generic-vertex"),fragmentShader:ThreeRTT.getShader(c||"generic-fragment-texture")})};
-ThreeRTT.FragmentMaterial=function(a,b,c,d){a=new ThreeRTT.ShaderMaterial(a,"generic-vertex-screen",b,c,d);a.side=THREE.DoubleSide;a.depthTest=!1;a.depthWrite=!1;a.transparent=!0;a.blending=THREE.NoBlending;return a};
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-!1;e.depthWrite=!1;e.transparent=!0;e.blending=THREE.NoBlending;return e};ThreeRTT.DownsampleMaterial=function(a,b){return new ThreeRTT.ScaleMaterial(a,b,2)};ThreeRTT.UpsampleMaterial=function(a,b){return new ThreeRTT.ScaleMaterial(a,b,0.5)};
-ThreeRTT.RaytraceMaterial=function(a,b,c,d,e){a instanceof Array||(a=[a]);c=new ThreeRTT.ShaderMaterial(a,"raytrace-vertex-screen",c,d,e);e=_.extend(c.uniforms||{},{raytraceViewport:{type:"v2",value:new THREE.Vector2},raytracePosition:{type:"v3",value:new THREE.Vector3},raytraceMatrix:{type:"m4",value:new THREE.Matrix4}});a=ThreeRTT.toTarget(a[0]);var f=new THREE.Vector3;a.on("render",function(a){b.updateMatrixWorld();b.fov&&(a=Math.tan(b.fov*\u03c0/360),e.raytraceViewport.value.set(a*b.aspect,a));
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-b);this._tScene=this._stage.scene;this._tCamera=this._stage.camera;this.queue=ThreeRTT.RenderQueue.bind(a);b.autoRendering&&this.queue.add(this);this.size(b.width,b.height,!0)};ThreeRTT.World.sequence=1E5;
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-(function(a){a.Outlets=0;a.Outlet=function(b,c,d,e,f,g,h){if("object"==typeof b)return new a.Outlet(b.inout,b.name,b.hint,b.type,b.category,b.exposed,b.meta);this.node=null;this.inout=b;this.name=c;this.hint=d||c;this.type=e;this.category=f;this.exposed=!!g;this.meta=h||{};this.index=++a.Outlets;this.input=this.key=null;this.output=[]};a.Outlet.prototype={id:function(){return["_sg",this.name,this.index].join("_")},expose:function(a){this.exposed=a},morph:function(a){this.inout=a.inout;this.name=a.name;
-this.type=a.type;this.category=a.category;this.exposed=a.exposed;this.meta=a.meta||{}},connect:function(b){if(this.inout==a.IN&&b.inout==a.OUT)return b.connect(this);if(this.inout!=a.OUT||b.inout!=a.IN)throw console.log(this,b),"Can't connect out/out or in/in outlets.";b.input!=this&&(b.disconnect(),b.input=this,this.output.push(b))},disconnect:function(b){if(this.inout==a.IN)this.input&&this.input.disconnect(this);else if(b){var c=this.output.indexOf(b);0<=c&&(this.output.splice(c,1),b.input=null)}else _.each(this.output,
-function(a){a.input=null}),this.output=[]},link:function(a){this.node=a}}})(ShaderGraph);\u03c0=Math.PI;\u03c4=2*\u03c0;(function(a){for(var b in a)if(!window[b])throw"Error: MathBox requires "+a[b];})({THREE:"Three.js",tQuery:"tQuery.js (bundle)",ThreeBox:"ThreeBox.js",ThreeRTT:"ThreeRTT.js"});window.MathBox={};window.mathBox=function(a,b){!a||a instanceof Node||(b=a,a=null);return tQuery.createWorld(b).mathBox(a,b)};
-MathBox.getShader=function(a){var b=document.getElementById(a);return b&&b.textContent||a};Math.sign=function(a){return 0<a?1:0>a?-1:0};MathBox.Attributes=function(){};
-MathBox.Attributes.prototype={get:function(a){return void 0===a?this.__attributes||{}:this.__attributes?this.__attributes[a]:void 0},set:function(a,b){function c(a,b){try{b=h(a,b),d[a]=b,f[a]=b}catch(c){throw"Exception setting '"+a+"' to '"+b+"': "+c;}}this.__attributes||(this.__attributes={});this.__validators||(this.__validators={});var d={},e=this.__validators,f=this.__attributes,g=this,h=function(a,b){if(void 0===e[a]){var c="validate"+a.charAt(0).toUpperCase()+a.slice(1);e[a]=g[c]||!1}return e[a]?
-e[a].call(this,b):b}.bind(this);void 0!==a&&null!==a&&(a.constructor==String?c(a,b):_.each(a,function(a,b){c(b,a)}),this.emit("change",d))}};MicroEvent.mixin(MathBox.Attributes);MathBox.Attributes.mixin=function(a){_.each(["get","set","on","emit"],function(b){a.prototype[b]=MathBox.Attributes.prototype[b]})};MathBox.Animator=function(){this.active=[]};MathBox.Animator.now=1;
-MathBox.Animator.prototype={finalState:function(a){var b=_.extend({},a.get());a.__queue&&_.each(a.__queue,function(a,d){_.each(a,function(a){a.to&&(b[d]=a.to)})});return b},attach:function(a){if(!a.__queue){if(!a.__attributes)throw"Cannot attach to object without attributes";var b=this,c=a.set;a.set=function(a,e,f){if(!f){f=a;if(void 0===a||null===a)return;a.constructor==String&&(f={},f[a]=e);b.stop(this,f)}c.call(this,a,e)};a.__queue={};a.__animations=0}},hurry:function(a,b,c){c=c||4;_.each(b||a.__queue,
-function(b,e){_.each(a.__queue[e],function(a){a.hurry(c)})}.bind(this))},stop:function(a,b){_.each(b||a.__queue,function(b,d){for(;a.__queue[d];)this.dequeue(a,d,!0)}.bind(this))},animate:function(a,b,c){c=_.extend({duration:300},c||{});this.attach(a);_.each(b,function(b,e){var f=a.__queue[e]=a.__queue[e]||[];if(c.delay){var g=new MathBox.Animator.Delay(a,e,c.delay);f.push(g);0==a.__animations++&&this.active.push(a)}a.__validators[e]&&(b=a.__validators[e].call(a,b));g=new MathBox.Animator.Animation(a,
-e,b,c.duration,c.callback,c.ease);f.push(g);c.hold&&(g=new MathBox.Animator.Delay(a,e,c.hold),f.push(g),0==a.__animations++&&this.active.push(a));0==a.__animations++&&this.active.push(a)}.bind(this))},dequeue:function(a,b,c){var d=a.__queue[b];if(d){var e=d.shift();0==d.length&&delete a.__queue[b];c&&e.skip();0==--a.__animations&&this.active.splice(this.active.indexOf(a),1)}},update:function(a){MathBox.Animator.now+=a;a=this.active.slice();_.each(a,function(a){var c=0;_.each(a.__queue,function e(f,
-g){var h=f[0];value=h.apply(c||0);h.done()&&(c=h.extra(),this.dequeue(a,g),f[0]&&e.call(this,f,g))}.bind(this))}.bind(this))}};MathBox.Animator.Delay=function(a,b,c){this.object=a;this.key=b;this.duration=c;this.fraction=this.start=0};
-MathBox.Animator.Delay.prototype={init:function(a){this.start=MathBox.Animator.now-(a||0)},apply:function(a){this.start||this.init(a);this.fraction=0<this.duration?Math.min(1,(MathBox.Animator.now-this.start)/this.duration):1},skip:function(){this.duration=0},hurry:function(a){this.duration=this.duration*this.fraction+this.duration*(1-this.fraction)/a},extra:function(){return MathBox.Animator.now-this.start-this.duration},done:function(){return 1==this.fraction}};
-MathBox.Animator.Animation=function(a,b,c,d,e,f){this.object=a;this.key=b;this.from=null;this.to=c;this.duration=d;this.fraction=this.start=0;this.callback=e;this.ease=f};
-MathBox.Animator.Animation.prototype={init:function(a){this.start=MathBox.Animator.now-(a||0);null===this.from&&(this.from=this.object.get(this.key));void 0===this.from&&(this.from=0)},apply:function(a){function b(a,b){return a+(b-a)*k}function c(a,e){void 0===e&&(e=a);void 0===a&&(a=e);if(e===a)return a;if(typeof a!=typeof e)throw console.log(d,f),"Data type mismatch between from/to values in animator. "+f+": "+a+" ("+a.constructor+"), "+e+"("+e.constructor+")";var g;switch(typeof e){default:case "string":throw"Unimplemented value type in animator. ("+
-typeof e+")";case "function":return function(){return c(a.apply(this,arguments),e.apply(this,arguments))};case "boolean":return 0.5<h?e:a;case "number":return b(a,e);case "object":if(!a)return e;if(!e)return a;if(e.constructor==Array)return g=[],_.loop(a.length,function(b){g[b]=c(a[b],e[b])}),g;if(e.constructor==THREE.Matrix4){g=new THREE.Matrix4;for(var k=0;16>k;++k)g.elements[k]=b(a.elements[k],e.elements[k]);return g}return e.constructor==THREE.Vector3?(g=new THREE.Vector3,g.x=b(a.x,e.x),g.y=b(a.y,
-e.y),g.z=b(a.z,e.z),g):e.constructor==THREE.Color?(g=new THREE.Color,g.r=b(a.r,e.r),g.g=b(a.g,e.g),g.b=b(a.b,e.b),g):0.5<h?e:a}}this.start||this.init(a);var d=this.object;a=this.from;var e=this.to,f=this.key,g=this.ease,h;this.fraction=h=0<this.duration?Math.min(1,(MathBox.Animator.now-this.start)/(this.duration||1)):1;var k;switch(g){case "in":k=1-(1-h)*(1-h);break;case "out":k=h*h;break;case "linear":k=h;break;default:k=0.5-0.5*Math.cos(h*\u03c0)}a=c(a,e);this.object.set(this.key,a,!0)},hurry:function(a){this.duration=
-this.duration*this.fraction+this.duration*(1-this.fraction)/a},skip:function(){this.duration=0;this.fraction=1;this.done()},extra:function(){return MathBox.Animator.now-this.start-this.duration},done:function(){return 1==this.fraction?(this.object.set(this.key,this.to,!0),this.callback&&this.callback(),this.callback=null,!0):!1}};
-MathBox.Stage=function(a,b,c){this.options=a=a||{};this._world=b;this.overlay=c;b&&b.on("resize",function(a,b){this.overlay.size(a,b);this.width=a;this.height=b}.bind(this));this.primitives=[];this.materials=new MathBox.Materials(this);this.animator=new MathBox.Animator;this._transition=0;this._speed=1;b&&(this.cameraProxy=new MathBox.CameraProxy(b,this.options));this.viewport({});this.loadPrimitives();void 0!==a.transition&&this.transition(a.transition);void 0!==a.speed&&this.speed(a.speed)};
-MathBox.Stage.prototype=new THREE.Object3D;MathBox.Attributes.mixin(MathBox.Stage);MicroEvent.mixin(MathBox.Stage);
-MathBox.Stage.prototype=_.extend(MathBox.Stage.prototype,{update:function(){var a=this._viewport,b=this._world.tCamera(),c=this.width,d=this.height,e=this._speed;this.cameraProxy.update();var f=+new Date;this.last||(this.last=f-1E3/60);this.animator.update(e*(f-this.last));this.last=f;a.update(this);_.each(this.primitives,function(e){e.adjust(a,b,c,d,this);e=e.renderables();_.each(e,function(e){e.isVisible()&&e.adjust(a,b,c,d,this)}.bind(this))}.bind(this));this.overlay&&this.overlay.update(b)},add:function(a,
-b){if(a instanceof THREE.Object3D)return a instanceof MathBox.Sprite?this.overlay.add(a):THREE.Object3D.prototype.add.call(this,a);this._add(a);b=this.animateOptions(b);var c=a.style.get("opacity");b&&0<c&&(a.style.set("opacity",0),this.animator.animate(a.style,{opacity:c},b));return this},remove:function(a,b){if(a instanceof THREE.Object3D)return a instanceof MathBox.Sprite?this.overlay.remove(a):THREE.Object3D.prototype.remove.call(this,a);if("string"==typeof a)return _.each(this.select(a),function(a){this.remove(a,
-b)}.bind(this));if(!a.singleton){var c=function(){this._remove(a)}.bind(this);b=this.animateOptions(b);var d=a.style.get("opacity");b&&0<d?(b.callback=c,this.animator.animate(a.style,{opacity:0},b),a.removed=!0):c();return this}},_add:function(a){var b=this.materials;-1==this.primitives.indexOf(a)&&(this.primitives.push(a),a.make(),a=a.renderables(),_.each(a,function(a){a.make(b);a.object&&this.add(a.object)}.bind(this)))},_remove:function(a){if(-1!=this.primitives.indexOf(a)){this.primitives.splice(this.primitives.indexOf(a),
-1);var b=a.renderables();_.each(b,function(a){a.object&&this.remove(a.object);a.destroy()}.bind(this));a.destroy()}},select:function(a,b){var c=[];if("object"==typeof a)return a.constructor==Array?a:[a];var d=function(a){var c=[];if("*"==a)return c=this.primitives.slice(),c.push(this.viewport()),c.push(this.cameraProxy),c;if(a==+a)return _.each(this.primitives,function(d){!b&&d.removed||d.get("sequence")!=a||c.push(d)}),c;var d=a.match(/^\s*#([a-zA-Z0-9_-]+)|([a-zA-Z0-9_-]+)?\s*$/);if(!d)return[];
-var h=d[2],k=d[1];if(k)_.each(this.primitives,function(a){!b&&a.removed||a.get("id")!=k||c.push(a)});else{if("camera"==h)return this.cameraProxy&&[this.cameraProxy]||[];if("viewport"==h)return[this.viewport()];h&&_.each(this.primitives,function(a){!b&&a.removed||a.type()!=h||c.push(a)})}return c}.bind(this),c=[];a=(""+a).split(",");_.each(a,function(a){c=c.concat(d(a))});return c},set:function(a,b){b=this.extractStyle(b);_.each(this.select(a),function(a){a.set(b);b.style&&a.style.set(b.style)});return this},
-get:function(a){var b=this.animator;a=this.select(a);if(1>a.length)return{};var c=a[0];a=b.finalState(c);c.style&&(b=b.finalState(c.style),a.style=b);return a},transition:function(a){return void 0!==a?(this._transition=a,this):this._transition},speed:function(a){return void 0!==a?(this._speed=a,this):this._speed},animateOptions:function(a,b){var c=this._transition;!0===a&&(a={});if(c||b||a&&(a.delay||a.duration||a.hold))a=_.extend({delay:0,duration:c||0,hold:0},a||{});if(a&&(a.delay||a.duration||
-a.hold))return a},animate:function(a,b,c){var d=this.animator;b=this.extractStyle(b);c=this.animateOptions(c,!0);b.style&&(_.each(this.select(a),function(a){c?d.animate(a.style,b.style,c):a.style.set(b.style)}),b=_.extend({},b),delete b.style);_.each(this.select(a),function(a){c?d.animate(a,b,c):a.set(b)});return this},clone:function(a,b,c){_.each(this.select(a),function(a){var e=this.get(a);delete e.sequence;var f=_.extend({},b),g=[];_.each(b,function(a,c){if("id"==c||"boolean"==typeof a||null===
-a)e[c]=b[c],g.push(c)});_.each(g,function(a){delete f[a]});e.id==a.get("id")&&(e.id=(e.id||"")+"-clone");a=this.spawn(a.type(),e,{duration:0});this.animate(a,f,c)}.bind(this));return this},hurry:function(a,b,c){var d=this.animator;_.each(this.select(a,!0),function(a){d.hurry(a,b,c);a.style&&d.hurry(a.style,b,c)});return this},halt:function(a,b){var c=this.animator;_.each(this.select(a,!0),function(a){c.stop(a,b);a.style&&c.stop(a.style,b)});return this},viewport:function(a){if(void 0!==a){if(!this._viewport||
-a.type&&a.type!=this.options.viewport.type){this._viewport&&(a=_.extend({},this._viewport.get(),a));this._viewport=MathBox.Viewport.make(a);a=this.primitives.slice();var b=this;_.each(a,function(a){b._remove(a);b._add(a)})}else this._viewport.set(a);this.options.viewport=this._viewport.get();return this}return this._viewport},camera:function(a){_.each(this.select("camera"),function(b){b.set(a)});return this},start:function(){this._world&&this._world.start();return this},stop:function(){this._world&&
-this._world.stop();return this},world:function(){return this._world},extractStyle:function(a){var b=MathBox.Style.prototype.defaults(),c=null;_.each(a,function(d,e){void 0!==b[e]&&(delete a[e],c=c||{},c[e]=d)});c&&(a.style=_.extend(a.style||{},c));return a},spawn:function(a,b,c){return MathBox.Primitive.types[a]?(this[a](b,c),this.primitives[this.primitives.length-1]):this},loadPrimitives:function(){_.each(MathBox.Primitive.types,function(a,b){this[b]=function(b,d){a.validateArgs&&(b=a.validateArgs(b));
-var e=new a(this.extractStyle(b));this.add(e,d);return this}}.bind(this))}});MathBox.Materials=function(a){this.stage=a;this.cache={}};
-MathBox.Materials.prototype={hash:function(a){var b=Object.keys(a),c="";b.sort();_.each(b,function(b){c+=b+"/";c+=a[b]+"/"});return c},clone:function(a){var b=new THREE.ShaderMaterial({vertexShader:a.vertexShader,fragmentShader:a.fragmentShader});b.attributes=a.attributes?{}:null;b.uniforms={};b.wireframe=a.wireframe;b.applyUniforms=a.applyUniforms;b.applyAttributes=a.applyAttributes;_.each(a.uniforms,function(a,d){b.uniforms[d]={type:a.type,value:a.value&&a.value.clone?a.value.clone():a.value}});
-_.each(a.attributes,function(a,d){b.attributes[d]={type:a.type,value:a.value}});return b},generic:function(a){a=a||{};if(!a.shaders||!Object.keys(a.shaders).length){var b=this.hash(a);if(this.cache[b])return this.clone(this.cache[b])}var c=this.factory(),d=a.shaders||{};d.position?d.position(c,this):(this.position(c,a),a.absolute||(a.shaded&&a.smooth?(c.group(),this.viewport(c),c.next(),this.viewport(c),c.next(),this.viewport(c),c.combine()):this.viewport(c)));a=this.finalize(c,a);b&&(this.cache[b]=
-a);return a},position:function(a,b){b=b||{};a.snippet(b.shaded&&b.smooth?"getPositionDUDV":"getPosition");b.absolute||(b.shaded&&b.smooth?a.group().snippet("mathTransform").next().snippet("mathTransform").next().snippet("mathTransform").combine():a.snippet("mathTransform"));return a},factory:function(){return new ShaderGraph.Factory},finalize:function(a,b){b=b||{};var c=b.shaders||{};b.shaded?b.smooth?a.snippet("projectToViewDUDV"):a.snippet("projectToViewNormal"):a.snippet("projectToView");c.material?
-c.material(a,this):a.material("vertexOutput",{points:"fragmentSolidPoint",mesh:b.shaded?"fragmentShaded":"fragmentSolid"}[b.type]||"fragmentSolid");c=a.end().compile();c=new THREE.ShaderMaterial({uniforms:c.uniforms,attributes:c.attributes,vertexShader:c.vertexShader,fragmentShader:c.fragmentShader});b.wireframe&&(c.wireframe=!0);var d=this.apply.bind(this);c.applyUniforms=function(a){d(this,a,"uniforms")};c.applyAttributes=function(a){d(this,a,"attributes")};return c},apply:function(a,b,c){var d=
-a[c];_.each(b,function(a,b){var c=d[b];c&&(a instanceof THREE.Color&&(a.x=a.r,a.y=a.g,a.z=a.b),c.value=a,c.needsUpdate=!0)});if("uniforms"==c){c=a.uniforms;if(b.map&&(c.texture&&(c.texture.value=b.map),c.offsetRepeat)){var e=b.map.offset,f=b.map.repeat;c.offsetRepeat.value.set(e.x,e.y,f.x,f.y)}void 0!==b.lineWidth&&(a.wireframeLinewidth=a.linewidth=b.lineWidth);void 0!==b.opacity&&(a.transparent=1>b.opacity)}},viewport:function(a,b){this.stage.viewport().shader(a,b)}};
-MathBox.Ticks=function(a,b,c,d,e,f,g){var h=(b-a)/(c||10);d=d||1;e=e||10;var k=d*((g||0)+Math.pow(e,Math.floor(Math.log(h/d)/Math.log(e))));c=_.map(0==e%2?[e/2,1,0.5]:[1],function(a){return k*a});var l=_.reduce(c,function(a,b){return Math.abs(b-h)<Math.abs(a-h)?b:a},k);f=+!f;a=(Math.ceil(a/l)+f)*l;b=(Math.floor(b/l)-f)*l;c=Math.ceil((b-a)/l)+1;var m=[];_.loop(c,function(b){m.push(a+b*l)});return m};MathBox.TicksLog=function(a,b,c,d,e,f){};
-tQuery.World.registerInstance("mathBox",function(a,b){a=a||document.body;this.threeBox(a,b);var c=new MathBox.Overlay;a.appendChild(c.domElement);c.domElement.style.position="absolute";c.domElement.style.left=0;c.domElement.style.top=0;c.domElement.style.right=0;c.domElement.style.bottom=0;var d=new MathBox.Stage(b,this,c),e=function(){d.update()};this.tScene().add(d);this._renderer.setClearColorHex(16777215,1);d.unhook=function(){this.loop().unhookPreRender(e)};this.loop().hookPreRender(e);b.cameraControls||
-(c=this.tCamera(),c.position.x=0,c.position.y=0,c.position.z=b.orbit,c.lookAt(new THREE.Vector3(0,0,0)));return d});MathBox.Director=function(a,b){this._stage=a;this.script=b||[];this.rollback={};this.clocks={};this.time=this.lastCommand=this.step=0;this.lastTime=+new Date};
-MathBox.Director.prototype={clock:function(a,b){if(a>this.step)return 0;var c=+new Date;this.time+=(c-this.lastTime)*this.stage().speed();this.lastTime=c;if(b||!this.clocks[a])this.clocks[a]=this.time;return 0.001*(this.time-this.clocks[a])},invert:function(a){var b=this._stage,c=[],d,e=a[0],f=a[1],g=a[2]||{},h=a[3];"remove"==e&&(h=g);h={delay:h&&void 0!==h.hold?h.hold/4:0,duration:h&&void 0!==h.duration?h.duration/4:0,hold:h&&void 0!==h.delay?h.delay/4:0};switch(e){case "add":d=[0];case "clone":d=
-d||b.select(f);_.each(d,function(a,b){c.push(["remove",g.sequence||MathBox.Primitive.sequence+1+b,h])});break;case "remove":d=b.select(f);_.each(d,function(a){c.push(["add",a.type(),b.get(a),h])});break;case "animate":case "set":d=b.select(f),_.each(d,function(a){var d=b.get(a),f={};for(i in g)f[i]=d.style&&void 0!==d.style[i]?d.style[i]:d[i];c.push([e,a.singleton||a.get("sequence"),f,h])})}return c},invertDelay:function(a){function b(a){var b=a[2]||{},c=["opacity"];if("animate"==a[0])for(d in c=
-[],b)if("style"==d)for(j in b.style)c.push(j);else c.push(d);return c}var c=[],d,e={};a.forEach(function(a){var c=a[0],d=a[1]||"",f=a[2]||{},g=a[3]||{};if("set"==c)return null;"add"==c&&(d=f.sequence);"remove"==c&&(g=f);b(a).forEach(function(a){a=[d,a].join(".");e[a]||(e[a]=[]);g=g||{};e[a].push((g.delay||0)+(g.duration||0)+(g.hold||0))})});var f=0;for(d in e)var g=e[d]=e[d].reduce(function(a,b){return a+b}),f=Math.max(f,g);a.forEach(function(a){var d=a[0],g=a[1]||"",m=a[2]||{},q=a[3]||{},u;if("set"==
-d)return c.push(a);"add"==d&&(u=g,g=m.sequence);"remove"==d&&(q=m);b(a).forEach(function(a){var b=[g,a].join("."),h=q.delay||0,v=q.duration||0,w=q.hold||0;void 0!==e[b]&&(h+=f-e[b],delete e[b]);q={delay:h,duration:v,hold:w};"add"==d&&c.push([d,u,m,q]);"remove"==d?c.push([d,g,q]):(b={},b[a]=m.style&&void 0!==m.style[a]?m.style[a]:m[a],c.push([d,g,b,q]))})});return c},apply:function(a,b,c,d){var e=this._stage;_.each(a,function(a){var g=a[0]||"",h=a[1]||"",k=a[2]||{},l=a[3]||{};"remove"==g&&(l=k);b&&
-(a=this.invert(a),a=[0,0].concat(a),Array.prototype.splice.apply(b,a));d&&l&&(l=_.extend({},l),l.delay/=2,l.duration/=2,l.hold/=2);c&&(l={delay:0,duration:0,hold:0},"animate"==g&&(g="set"));switch(g){case "clone":e.clone(h,k,l);break;case "add":e.spawn(h,k,l);break;case "remove":_.each(e.select(h),function(a){e.remove(a,l)});break;case "set":var g=e.select(h),m=k.constructor==Array;_.each(g,function(a,b){e.set(a,m?k[b]:k)});break;case "animate":g=e.select(h),m=k.constructor==Array,_.each(g,function(a,
-b){e.animate(a,m?k[b]:k,l)})}}.bind(this));return this},insert:function(a){a[0].constructor!=Array&&(a=[a]);this.script.splice(this.step,0,a);this.forward();return this},is:function(a){if(!this.script.length)return!1;for(;0>a;)a+=this.script.length+1;for(;a>=this.script.length+1;)a-=this.script.length+1;return a==this.step},isFirst:function(){return this.is(0)},isLast:function(){return this.is(-1)},go:function(a,b){if(this.script.length){for(;0>a;)a+=this.script.length+1;for(;a>=this.script.length+
-1;)a-=this.script.length+1;for(;a>this.step;)this.forward(b);for(;a<this.step;)this.back(b)}},skipping:function(){var a=+new Date,b=!1;500>a-this.lastCommand&&(b=!0);this.stage().hurry("*");this.lastCommand=a;return b},forward:function(a,b){if(!(this.step>=this.script.length)){var c=this.step,d=this.script[c],e=this.rollback[c]=[];this.step++;var f=function(){this.apply(d,e,a,a?!1:this.skipping());this.rollback[c]=this.invertDelay(e);this.clock(c+1,!0);this.emit("go",c+1,1)}.bind(this);b?setTimeout(f,
-+b):f();return this}},back:function(a,b){if(!(0>=this.step)){this.step--;var c=this.step,d=this.rollback[c],e=function(){this.apply(d,null,a||this.skipping());delete this.rollback[c];this.emit("go",c,-1)}.bind(this);b?setTimeout(e,+b):e();return this}},stage:function(){return this._stage}};_.each(MathBox.Stage.prototype,function(a,b){MathBox.Director.prototype[b]||(MathBox.Director.prototype[b]=function(){var b=this.stage[a].apply(this.stage,arguments);return b===this.stage?this:b})});MicroEvent.mixin(MathBox.Director);
-MathBox.Style=function(a){var b=this.defaults();a=_.extend(b,a||{});this.set(a)};
-MathBox.Style.prototype={defaults:function(){return{color:new THREE.Color(3178736),opacity:1,lineWidth:2,pointSize:5,mathScale:new THREE.Vector3(1,1,1),mathRotation:new THREE.Vector3,mathPosition:new THREE.Vector3,worldScale:new THREE.Vector3(1,1,1),worldRotation:new THREE.Vector3,worldPosition:new THREE.Vector3,zIndex:0,map:null,mapColor:0,mapOpacity:0}},validateColor:function(a){if(a.constructor==Array){a=a.concat([0,0,0]);var b=new THREE.Color;return b.setRGB.apply(b,a)}return a.constructor==Number?
-new THREE.Color(a):a.constructor!=THREE.Color?this.get("color"):a},validateMathScale:function(a){if(a.constructor==Array){a=a.concat([1,1,1]);var b=new THREE.Vector3;return b.set.apply(b,a)}return a.constructor!=THREE.Vector3?this.get("mathScale"):a},validateMathRotation:function(a){if(a.constructor==Array){a=a.concat([0,0,0]);var b=new THREE.Vector3;return b.set.apply(b,a)}return a.constructor!=THREE.Vector3?this.get("mathRotation"):a},validateMathPosition:function(a){if(a.constructor==Array){a=
-a.concat([0,0,0]);var b=new THREE.Vector3;return b.set.apply(b,a)}return a.constructor!=THREE.Vector3?this.get("mathPosition"):a},validateWorldScale:function(a){if(a.constructor==Array){a=a.concat([1,1,1]);var b=new THREE.Vector3;return b.set.apply(b,a)}return a.constructor!=THREE.Vector3?this.get("worldScale"):a},validateWorldRotation:function(a){if(a.constructor==Array){a=a.concat([0,0,0]);var b=new THREE.Vector3;return b.set.apply(b,a)}return a.constructor!=THREE.Vector3?this.get("worldRotation"):
-a},validateWorldPosition:function(a){if(a.constructor==Array){a=a.concat([0,0,0]);var b=new THREE.Vector3;return b.set.apply(b,a)}return a.constructor!=THREE.Vector3?this.get("worldPosition"):a}};MathBox.Attributes.mixin(MathBox.Style);
-MathBox.CameraProxy=function(a,b){this.set({orbit:void 0===b.orbit?3.5:b.orbit,phi:void 0===b.phi?\u03c4/4:b.phi,theta:b.theta||0,lookAt:b.lookAt||[0,0,0]});this.singleton="camera";var c=this.controls=a.getCameraControls()||ThreeBox.OrbitControls.bind(a.tCamera(),null,this.get());this.on("change",function(a){_.each(a,function(a,b){"lookAt"!=b&&(c[b]=a)});a.lookAt&&c.lookAt.set.apply(c.lookAt,a.lookAt);c.update()});c.update();this.update=function(){this.set({orbit:c.orbit,phi:c.phi,theta:c.theta},
-null,!0);var a=this.get("lookAt");a[0]=c.lookAt.x;a[1]=c.lookAt.y;a[2]=c.lookAt.z}};MathBox.Attributes.mixin(MathBox.CameraProxy);MathBox.Overlay=function(){(this.domElement=document.createElement("div")).className="mathbox-overlay";this.sprites=[];this.v=new THREE.Vector3;this.q=new THREE.Vector3};
-MathBox.Overlay.prototype={size:function(a,b){this.width=a;this.height=b;this.domElement.style.width=a+"px";this.domElement.style.height=b+"px"},add:function(a){-1==this.sprites.indexOf(a)&&(this.sprites.push(a),a.element.parentNode||this.domElement.appendChild(a.element),_.each(a.children,function(a){this.add(a)}.bind(this)))},remove:function(a){var b;-1!=(b=this.sprites.indexOf(a))&&(this.sprites.splice(b,1),a.element.parentNode&&a.element.parentNode.removeChild(a.element),_.each(a.children,function(a){this.remove(a)}.bind(this)))},
-update:function(a){this.fov=0.5/Math.tan(a.fov*Math.PI/360)*this.height;_.each(this.sprites,function(b){this._update(b,a)}.bind(this));_.each(this.sprites,function(b){this._measure(b,a)}.bind(this));_.each(this.sprites,function(b){this._vis(b,a)}.bind(this))},_measure:function(a,b){if(a.measure){var c=a.element;a.width=c.offsetWidth;a.height=c.offsetHeight;a.measure=!1}},_vis:function(a,b){if(a.render&&(a.width||a.height)){var c=a.left,d=a.top,e=a.width+c,f=a.height+d;found=!1;_.each(this.sprites,
-function(b){if(b===a)found=!0;else if(found&&b.render){var h=b.left,k=b.top,l=b.width+h,m=b.height+k;e<h||c>l||f<k||d>m||(b.element.style.display="none",b.render=!1)}})}},_update:function(a,b){for(var c=this.v,d=this.q,e=a.render,f=a.visible,g=a.parent;f&&g;)f=f&&g.visible,g=g.parent;a.render=f&&0<a.opacity;if(a.render)e||(a.element.style.display="block"),c.copy(a.position),b.matrixWorldInverse.multiplyVector3(c),e=-(c.x/c.z)*this.fov+0.5*this.width,f=c.y/c.z*this.fov+0.5*this.height,a.distance&&
-(d.copy(a.tangent).multiplyScalar(0.01),d.addSelf(a.position),b.matrixWorldInverse.multiplyVector3(d),g=0<a.distance?1:-1,d.subSelf(c),d.z=0,d.normalize().multiplyScalar(a.distance),e+=Math.abs(d.y)*g,f+=Math.abs(d.x)*g),e=Math.round(e),f=Math.round(f),a.left!==e&&(a.left=e,a.element.style.left=e+"px"),a.top!==f&&(a.top=f,a.element.style.top=f+"px"),a.lastOpacity!==a.opacity&&(a.element.style.opacity=a.opacity,a.lastOpacity=a.opacity);else if(e||null===e)a.element.style.display="none"}};
-MathBox.Sprite=function(a,b,c){this.element=a;this.tangent=b||new THREE.Vector3(1,0,0);this.distance=c||0;this.height=this.width=0;this.measure=this.visible=!0;this.render=null;this.content="";this.lastOpacity=this.lastTop=this.lastLeft=null;a.style.position="absolute";a.style.left=0;a.style.top=0;a.style.opacity=0;THREE.Object3D.call(this)};MathBox.Sprite.prototype=_.extend(new THREE.Object3D,{});
-MathBox.Primitive=function(a){if(null!==a){var b=this.defaults();a&&(a.style=_.extend(b.style,a.style||{}),a=_.extend(b,a||{}));a=a||b;this.set(a);this.style=new MathBox.Style;this.style.set(this.get().style||{});this.on("change",function(a){void 0!==a.style&&this.style.set(a.style)}.bind(this));this.set("sequence",a.sequence||++MathBox.Primitive.sequence);this.set("id",a.id||this.sequence);this.init()}};MathBox.Primitive.sequence=0;MathBox.Primitive.types={};
-MathBox.Primitive.prototype={defaults:function(){return{}},type:function(){return"primitive"},init:function(){},make:function(){},destroy:function(){},renderables:function(){return[]},adjust:function(a){}};MathBox.Attributes.mixin(MathBox.Primitive);MicroEvent.mixin(MathBox.Primitive);MathBox.Curve=function(a){null!==a&&MathBox.Primitive.call(this,a)};
-MathBox.Curve.prototype=_.extend(new MathBox.Primitive(null),{defaults:function(){return{n:64,domain:[0,1],data:null,expression:function(){return 0},live:!0,points:!1,line:!0,style:{}}},type:function(){return"curve"},renderables:function(){return[this.line,this.points]},adjust:function(a){a=this.get();this.line.show(a.line);this.points.show(a.points);(a.line||a.points)&&0<this.style.get("opacity")&&a.live&&this.calculate()},make:function(){var a=this.get(),b=this.style,c=a.n,d=this.vertices=[];_.loop(c,
-function(){d.push(new THREE.Vector3)});c=function(c){return new MathBox.Renderable.Mesh(d,{type:c,dynamic:a.live},b)};this.line=c("line");this.points=c("points");this.calculate()},calculate:function(){var a=this.vertices,b=this.get(),c=b.data,d=b.domain,e=b.n,f=d[0],g=(d[1]-f)/(e-1),h;_.loop(e,function(d){h=c&&void 0!==c[d]?c[d]:b.expression.call(this,f,d);var e=0,m=0,q=0;if(h instanceof Array){var u=h.length;0<u&&(e=h[0]);1<u&&(m=h[1]);2<u&&(q=h[2])}else e=f,m=+h;a[d].set(e,m,q);f+=g}.bind(this))}});
-MathBox.Primitive.types.curve=MathBox.Curve;MathBox.Bezier=function(a){MathBox.Curve.call(this,a)};
-MathBox.Bezier.prototype=_.extend(new MathBox.Curve(null),{defaults:function(){return{n:64,domain:[0,1],data:null,order:3,expression:function(){return 0},live:!0,points:!1,line:!0,style:{}}},type:function(){return"bezier"},calculate:function(){var a=this.vertices,b=this.get(),c=b.domain,d=b.data,e=b.order,f=b.n;if(1>e||3<e)throw"Bezier curve order must be 1, 2 or 3.";var g=[],h;_.loop(e+1,function(a){h=d&&void 0!==d[a]?d[a]:b.expression.call(this,a,a);var c=a=0,e=0;if(h instanceof Array){var f=h.length;
-0<f&&(a=h[0]);1<f&&(c=h[1]);2<f&&(e=h[2])}else a=l,c=+h;g.push(new THREE.Vector3(a,c,e))}.bind(this));var k={bezierPoints:g},l=c[0],m=(c[1]-l)/(f-1);_.loop(f,function(b){a[b].set(l,0,0);l+=m});c={uniforms:k,shaders:{position:function(a,b){a.snippet("bezier"+e).snippet("mathTransform");b.viewport(a)}}};this.line.set(c);this.points.set(c)}});MathBox.Primitive.types.bezier=MathBox.Bezier;
-MathBox.Axis=function(a){null!==a&&(MathBox.Primitive.call(this,a),this.on("change",function(a){void 0!==a.size&&this.arrow&&this.arrow.set("size",a.size)}))};
-MathBox.Axis.prototype=_.extend(new MathBox.Primitive(null),{defaults:function(){return{axis:0,offset:[0,0,0],n:2,arrow:!0,line:!0,labels:!1,decimals:2,distance:15,ticks:10,tickUnit:1,tickScale:10,size:0.07,style:{lineWidth:4,color:new THREE.Color(7368816)},formatter:null,zero:!0}},renderables:function(){return[this.line,this.ticks,this.arrow,this.labels]},type:function(){return"axis"},adjust:function(a,b){var c=this.get(),d=c.axis,e=c.offset,f=c.arrow,g=c.line,h=c.labels,k=c.n,l=c.ticks,m=c.tickUnit,
-q=c.tickScale,c=c.decimals,u=this.points,t=this.labelPoints,s=this.labelTangent,r=this.tickPoints,v=this.tickSigns,w=[0,0,0],y=new THREE.Vector3;new THREE.Vector4;var x=a.axis(d),z=x[0],x=x[1],B=(x-z)/(k-1);y.set.apply(y,e);_.loop(k,function(a){w[d]=z+a*B;u[a].set.apply(u[a],w);u[a].addSelf(y)});this.line.show(g);this.arrow.show(f);k=this.scale=MathBox.Ticks(z,x,l,m,q,!0);this.ticks.show(!!l);if(l){l=Math.floor(r.length/2);k.length>l&&(k=k.slice(0,l));var l=[0,0,0],A;l[2==d?0:1-d]=0.01*(x-z);this.epsilon.set.apply(this.epsilon,
-l);w=[0,0,0];_.each(k,function(a,b){w[d]=a;var c=2*b;r[c].set.apply(r[c],w);r[c].addSelf(y);v[c]=1;r[c+1].copy(r[c]);v[c+1]=-1;t[b].copy(r[c]);A=c+1});l=A+1;for(k=r.length;l<k;)r[l].copy(r[A]),v[l]=v[A],l++}w=[0,0,0];w[d]=1;s.set.apply(s,w);this.labels.show(!!h);this.labels.set("decimals",c)},make:function(){var a=this.get(),b=a.n,c=a.size,d=a.ticks,e=a.distance,f=a.formatter,g=this.style,h=this.points=[],k=this.labelPoints=[],l=this.labelTangent=new THREE.Vector3,m=this.tickPoints=[],q=this.tickSigns=
-[],u=this.epsilon=new THREE.Vector3;_.loop(b,function(a){h.push(new THREE.Vector3)});_.loop(4*d,function(a){k.push(new THREE.Vector3)});_.loop(8*d,function(a){m.push(new THREE.Vector3);q.push(1)});var d={dynamic:!0,size:c,offset:0.5},c={dynamic:!0,size:0.2*c},e={dynamic:!0,distance:e},t=function(b){b=this.scale[b];return 0!=b||a.zero?f?f(b):b:""}.bind(this);this.line=new MathBox.Renderable.Mesh(h,{dynamic:!0,type:"line"},g);this.arrow=new MathBox.Renderable.ArrowHead(h[b-2],h[b-1],d,g);this.ticks=
-new MathBox.Renderable.Ticks(m,q,u,c,g);this.labels=new MathBox.Renderable.Labels(k,l,t,e,g)}});MathBox.Axis.validateArgs=function(a){"number"==typeof a&&(a={axis:a});return a};MathBox.Primitive.types.axis=MathBox.Axis;MathBox.Grid=function(a){null!==a&&MathBox.Primitive.call(this,a)};
-MathBox.Grid.prototype=_.extend(new MathBox.Primitive(null),{defaults:function(){return{axis:[0,1],offset:[0,0,0],show:[!0,!0],n:2,ticks:[10,10],tickUnit:[1,1],tickScale:[10,10],style:{lineWidth:1,color:new THREE.Color(10526880)}}},type:function(){return"grid"},renderables:function(){return this.lines||[]},adjust:function(a){function b(a,b,c,d,e){var f=l.slice(),g=0,k=MathBox.Ticks(b.min,b.max,b.ticks,b.tickUnit,b.tickScale,!0);k.length>d&&(k=k.slice(0,d));_.each(k,function(d){f[b.axis]=d+l[b.axis];
-f[c.axis]=c.min+l[c.axis];_.loop(e-1,function(b){a[g].set.apply(a[g],f);g++;f[c.axis]+=c.inv;a[g].set.apply(a[g],f);g++})});d=Math.max(0,g-1);for(k=a.length;g<k;)a[g++].copy(a[d])}var c=this.get(),d=c.axis,e=c.ticks,f=c.tickUnit,g=c.tickScale,h=c.n,k=c.show,l=c.offset,c=this.points,m=this.limit,q=[];"number"==typeof h&&(h=[h,h]);_.each(d,function(b,c){var d=a.axis(b);q.push({axis:b,min:d[0],max:d[1],inv:(d[1]-d[0])/(h[c]-1),ticks:e[c],tickUnit:f[c],tickScale:g[c]})});this.lines[0].show(k[0]);this.lines[1].show(k[1]);
-k[0]&&b(c[0],q[1],q[0],m[0],h[0]);k[1]&&b(c[1],q[0],q[1],m[1],h[1])},make:function(a){var b=this.get();a=b.ticks;var c=b.n,d=this.points=[[],[]],b=this.style;"number"==typeof c&&(c=[c,c]);var e=this.limit=[0,0];_.each(a,function(a,b){b=1-b;e[b]=4*a;_.loop(e[b]*(c[b]-1)*2,function(a){d[b].push(new THREE.Vector3)})});this.lines=[];this.lines.push(new MathBox.Renderable.Mesh(d[0],{type:"line",strip:!1,dynamic:!0},b));this.lines.push(new MathBox.Renderable.Mesh(d[1],{type:"line",strip:!1,dynamic:!0},
-b))}});MathBox.Primitive.types.grid=MathBox.Grid;MathBox.Vector=function(a){null!==a&&(MathBox.Primitive.call(this,a),this.render=[],this.arrows=[],this.line=this.points=this.vertices=null,this.on("change",function(a){void 0!==a.size&&_.each(this.arrows,function(c){c.set("size",a.size)})}))};MathBox.Vector.vLast=new THREE.Vector3;MathBox.Vector.vCurrent=new THREE.Vector3;
-MathBox.Vector.prototype=_.extend(new MathBox.Primitive(null),{defaults:function(){return{n:1,data:null,arrow:!0,expression:function(){return 0},live:!0,style:{},size:0.07}},type:function(){return"vector"},renderables:function(){return this.render},adjust:function(a){var b=this.get();0<this.style.get("opacity")&&(b.arrow||b.live)&&this.calculate(a);_.each(this.arrows,function(a){a.show(b.arrow)})},make:function(){var a=this.get(),b=a.arrow,c=this.style,d=a.n,e=this.vertices=[],f=this.points=[],g=
-this.render=[],h=this.arrows=[],k={dynamic:a.live,type:"line",strip:!1},l={size:a.size},m=0;_.loop(d,function(){e.push(new THREE.Vector3);e.push(new THREE.Vector3);f.push(new THREE.Vector3);f.push(new THREE.Vector3);if(b){var a=new MathBox.Renderable.ArrowHead(f[m++],f[m++],l,c);g.push(a);h.push(a)}});this.line=new MathBox.Renderable.Mesh(e,k,c);g.push(this.line);this.calculate()},calculate:function(a){var b=this.vertices,c=this.arrows,d=this.points,e=this.get(),f=e.data,g=e.arrow,h=e.n,k=e.size,
-l=this.style.get("mathScale"),m=0,q=0;_.loop(2*h,function(h){p=f&&void 0!==f[h]?f[h]:e.expression.call(this,q,m);var t=0,s=0,r=0;if(p instanceof Array){var v=p.length;0<v&&(t=p[0]);1<v&&(s=p[1]);2<v&&(r=p[2])}else t=h,s=+p,r=0;d[h].set(t,s,r);b[h].set(t,s,r);a&&g&&1==h%2&&(t=MathBox.Vector.vLast,s=MathBox.Vector.vCurrent,s.copy(b[h]),t.copy(b[h-1]),a.to(s),a.to(t),s.subSelf(t).multiplySelf(l),v=s.length(),r=Math.min(1,0.5*v/k),r=(1-(1-r)*(1-r))*k,v-=r,s.normalize().multiplyScalar(v).divideSelf(l).addSelf(t),
-a.from(s),b[h].copy(s),c[q].set({size:r}));q=m?q+1:q;m=(m+1)%2}.bind(this))}});MathBox.Primitive.types.vector=MathBox.Vector;MathBox.Surface=function(a){null!==a&&MathBox.Primitive.call(this,a)};
-MathBox.Surface.prototype=_.extend(new MathBox.Primitive(null),{defaults:function(){return{n:[64,64],domain:[[0,1],[0,1]],data:null,expression:function(){return 0},live:!0,points:!1,line:!1,mesh:!0,doubleSided:!0,flipSided:!1,shaded:!0,style:{}}},type:function(){return"surface"},renderables:function(){return[this.mesh,this.line,this.points]},adjust:function(a){a=this.get();this.mesh.show(a.mesh);this.line.show(a.line);this.points.show(a.points);(a.mesh||a.line||a.points)&&0<this.style.get("opacity")&&
-a.live&&this.calculate()},make:function(){var a=this.get(),b=this.style,c=a.n;"number"==typeof c&&(c=[c,c]);var d=this.geometry=new THREE.PlaneGeometry(2,2,c[0]-1,c[1]-1);this.vertices=d.vertices;this.mesh=new MathBox.Renderable.Mesh(d,{type:"mesh",doubleSided:a.doubleSided,flipSided:a.flipSided,shaded:a.shaded,smooth:!0,dynamic:a.live},b);this.line=new MathBox.Renderable.Mesh(d,{type:"mesh",shaded:a.shaded,smooth:!0,dynamic:a.live,wireframe:!0},b);this.points=new MathBox.Renderable.Mesh(d.vertices,
-{type:"points",dynamic:a.live},b);if(a.shaded){var e=this.tangents=[[],[]];_.loop(c[0]*c[1],function(){e[0].push(new THREE.Vector3);e[1].push(new THREE.Vector3)})}this.calculate()},calculate:function(){var a=this.vertices,b=this.tangents,c=this.get(),d=c.data,e=c.domain,f=c.n,g=c.flipSided,h=g?1:0,g=g?0:1;"number"==typeof f&&(f=[f,f]);var k=e[0][0],l=e[1][0],m=(e[0][1]-k)/(f[0]-1),q=(e[1][1]-l)/(f[1]-1),u,t=0;_.loop(f[1],function(b){k=e[0][0];_.loop(f[0],function(e){u=d&&void 0!==d[b]&&void 0!==d[b][e]?
-d[b][e]:c.expression.call(this,k,l,e,b,t);var f=e=0,g=0;if(u instanceof Array){var h=u.length;0<h&&(e=u[0]);1<h&&(f=u[1]);2<h&&(g=u[2])}else e=k,f=+u,g=l;a[t].set(e,f,g);k+=m;t++}.bind(this));l+=q}.bind(this));if(c.shaded){var t=0,l=e[1][0],s=f[0];_.loop(f[1],function(c){k=e[0][0];var d=c?c-1:0,g=Math.min(f[1]-1,c+1);_.loop(f[0],function(e){var h=e?e-1:0,l=Math.min(f[0]-1,e+1),q=a[e+c*s];l==e?b[0][t].sub(q,a[h+c*s]).addSelf(q):b[0][t].copy(a[l+c*s]);g==c?b[1][t].sub(q,a[e+d*s]).addSelf(q):b[1][t].copy(a[e+
-g*s]);k+=m;t++});l+=q});this.line.set("attributes",{positionDU:b[h],positionDV:b[g]});this.mesh.set("attributes",{positionDU:b[h],positionDV:b[g]})}}});MathBox.Primitive.types.surface=MathBox.Surface;MathBox.BezierSurface=function(a){this.matrixX=new THREE.Matrix4;this.matrixY=new THREE.Matrix4;this.matrixZ=new THREE.Matrix4;this.coefficients=new THREE.Matrix4(-1,3,-3,1,3,-6,3,0,-3,3,0,0,1,0,0,0);MathBox.Surface.call(this,a)};
-MathBox.BezierSurface.prototype=_.extend(new MathBox.Surface(null),{defaults:function(){return{n:[64,64],domain:[[0,1],[0,1]],data:null,order:3,expression:function(){return 0},live:!0,points:!1,line:!1,mesh:!0,doubleSided:!0,flipSided:!1,shaded:!0,style:{}}},type:function(){return"bezierSurface"},calculate:function(){var a=this.vertices,b=this.get(),c=b.domain,d=b.data,e=b.order,f=b.shaded,g=b.n;"number"==typeof g&&(g=[g,g]);if(3!=e)throw"Bezier surface order must be 3.";var h=[],k;_.loop(e+1,function(a){_.loop(e+
-1,function(c){k=d&&void 0!==d[a]&&void 0!==d[a][c]?d[a][c]:b.expression.call(this,c,a,c,a);var e=0,f=0,g=0;k instanceof Array?(c=k.length,0<c&&(e=k[0]),1<c&&(f=k[1]),2<c&&(g=k[2])):(e=c,f=+k,g=a);h.push([e,f,g])}.bind(this))}.bind(this));k=h;this.matrixX.set(k[0][0],k[1][0],k[2][0],k[3][0],k[4][0],k[5][0],k[6][0],k[7][0],k[8][0],k[9][0],k[10][0],k[11][0],k[12][0],k[13][0],k[14][0],k[15][0]);this.matrixY.set(k[0][1],k[1][1],k[2][1],k[3][1],k[4][1],k[5][1],k[6][1],k[7][1],k[8][1],k[9][1],k[10][1],k[11][1],
-k[12][1],k[13][1],k[14][1],k[15][1]);this.matrixZ.set(k[0][2],k[1][2],k[2][2],k[3][2],k[4][2],k[5][2],k[6][2],k[7][2],k[8][2],k[9][2],k[10][2],k[11][2],k[12][2],k[13][2],k[14][2],k[15][2]);var l=this.coefficients;this.matrixX.multiplySelf(l).transpose().multiplySelf(l);this.matrixY.multiplySelf(l).transpose().multiplySelf(l);this.matrixZ.multiplySelf(l).transpose().multiplySelf(l);var l={bezierSurfaceX:this.matrixX,bezierSurfaceY:this.matrixY,bezierSurfaceZ:this.matrixZ},m=c[0][0],q=c[1][0],u=(c[0][1]-
-m)/(g[0]-1),t=(c[1][1]-q)/(g[1]-1),s=0;_.loop(g[1],function(b){m=c[0][0];_.loop(g[0],function(b){a[s].set(m,q,0);m+=u;s++}.bind(this));q+=t}.bind(this));l={uniforms:l,shaders:{position:function(a,b){f?(a.snippet("bezierSurface"+e),a.group(),a.snippet("mathTransform"),b.viewport(a),a.next(),a.snippet("mathTransform"),b.viewport(a),a.next(),a.snippet("mathTransform"),b.viewport(a),a.combine()):(a.snippet("bezierSurface"+e).snippet("mathTransform"),b.viewport(a))}}};this.mesh.set(l);this.line.set(l);
-this.points.set(l)}});MathBox.Primitive.types.bezierSurface=MathBox.BezierSurface;MathBox.Platonic=function(a){null!==a&&MathBox.Primitive.call(this,a)};
-MathBox.Platonic.prototype=_.extend(new MathBox.Primitive(null),{defaults:function(){return{n:1,type:"cube",points:!1,line:!1,mesh:!0,doubleSided:!0,flipSided:!1,shaded:!0,style:{}}},type:function(){return"platonic"},renderables:function(){return[this.mesh,this.line,this.points]},adjust:function(a){a=this.get();this.mesh.show(a.mesh);this.line.show(a.line);this.points.show(a.points)},make:function(){var a=this.get(),b=this.style,c;switch(a.type){case "cube":c=new THREE.CubeGeometry(2,2,2,1,1,1)}this.mesh=
-new MathBox.Renderable.Mesh(c,{type:"mesh",doubleSided:a.doubleSided,flipSided:a.flipSided,shaded:a.shaded,smooth:!1,dynamic:a.live},b);this.line=new MathBox.Renderable.Mesh(c,{type:"mesh",shaded:a.shaded,smooth:!1,dynamic:a.live,wireframe:!0},b);this.points=new MathBox.Renderable.Mesh(c.vertices,{type:"points",dynamic:a.live},b)}});MathBox.Primitive.types.platonic=MathBox.Platonic;MathBox.Label=function(a){null!==a&&MathBox.Primitive.call(this,a)};
-MathBox.Label.prototype=_.extend(new MathBox.Primitive(null),{defaults:function(){return{position:[0,0,0],facing:1,distance:15,style:{color:new THREE.Color(7368816)},text:""}},renderables:function(){return[this.labels]},type:function(){return"label"},adjust:function(a,b){var c=this.get(),d=[0,0,0];d[c.facing]=1;c=this.labelTangent;c.set.apply(c,d);this.labels.show(!0)},make:function(){var a=this.get(),b=a.position,c=a.text,d=a.distance,a=this.style,e=this.labelTangent=new THREE.Vector3,d={dynamic:!0,
-distance:d},f=new THREE.Vector3;f.set.apply(f,b);b=function(a){return c}.bind(this);this.labels=new MathBox.Renderable.Labels([f],e,b,d,a)}});MathBox.Label.validateArgs=function(a){return a};MathBox.Primitive.types.label=MathBox.Label;
-MathBox.Renderable=function(a,b){if(null!==a){this.id=++MathBox.Renderable.id;var c=this.defaults();a&&(a=_.extend(c,a||{}));this.set(a||c);this.geometry=this.material=this.object=null;this.visible=!0;this.style=b||new MathBox.Style;this.style.on("change",this.styleCallback=this.refreshStyle.bind(this));this.on("change",this.uniformsCallback=this.refreshOptions.bind(this));this.mathTransform=new THREE.Matrix4}};MathBox.Renderable.id=0;
-MathBox.Renderable.prototype={defaults:function(){return{}},make:function(a){},destroy:function(){},show:function(a){a=void 0===a?!0:!!a;a!=this.visible&&(this.visible=a,this.refresh())},isVisible:function(){return this.object&&this.object.visible},composeTransform:function(a,b,c){var d=THREE.Matrix4.__m1,e=THREE.Matrix4.__m2;d.identity();d.setRotationFromEuler(b,this.object.eulerOrder);e.makeScale(c.x,c.y,c.z);this.mathTransform.multiply(d,e);b=this.mathTransform.elements;b[12]=a.x;b[13]=a.y;b[14]=
-a.z},refreshStyle:function(a){var b=this.style.get();a=a||b;this.material&&this.material.applyUniforms(a);if(this.object){this.object.frustumCulled=!1;a.worldPosition&&(this.object.position=b.worldPosition);a.worldRotation&&(this.object.rotation=b.worldRotation);a.worldScale&&(this.object.scale=b.worldScale);if(a.mathPosition||a.mathRotation||a.mathScale)this.composeTransform(b.mathPosition,b.mathRotation,b.mathScale),this.material&&this.material.applyUniforms({mathTransform:this.mathTransform});
-void 0!==a.opacity&&(this.object.visible=this.visible&&0<b.opacity);void 0===a.opacity&&void 0===a.zIndex||!this.material||(this.object.renderDepth=b.zIndex*(1==b.opacity?1:-1))}},refreshOptions:function(a){var b=this.get();a=a||b;if(this.material){b=this.get();if(void 0!==a.doubleSided||void 0!==a.flipSided)this.material.side=b.doubleSided?THREE.DoubleSide:b.flipSided?THREE.BackSide:THREE.FrontSide,b={flipSided:b.doubleSided&&b.flipSided?-1:1},this.material.applyUniforms(b);(b=this.get().uniforms)&&
-this.material.applyUniforms(b);(b=this.get().attributes)&&this.material.applyAttributes(b)}},refresh:function(){this.refreshStyle();this.refreshOptions()},adjust:function(a){this.material&&this.material.applyUniforms(a.uniforms())}};MathBox.Attributes.mixin(MathBox.Renderable);MathBox.Renderable.Mesh=function(a,b,c){this.points=a;MathBox.Renderable.call(this,b,c)};
-MathBox.Renderable.Mesh.prototype=_.extend(new MathBox.Renderable(null),{defaults:function(){return{type:"points",doubleSided:!0,dynamic:!1,absolute:!1,strip:!0,shaders:{}}},make:function(a){var b=this.get(),c=b.type,d=b.strip,e={points:THREE.ParticleSystem,line:THREE.Line,mesh:THREE.Mesh}[c];if(!e)throw"Invalid Mesh type '"+c+"'";a=this.material=a.generic(b);var f;f=this.points;f instanceof Array?(f=this.geometry=new THREE.Geometry,f.vertices=this.points):f=this.geometry=f;f.dynamic=b.dynamic;switch(c){case "line":b=
-new THREE.Line(f,a,d?THREE.LineStrip:THREE.LinePieces);break;default:b=new e(f,a)}this.object=b;this.refresh()},adjust:function(a){this.get().dynamic&&(this.geometry.verticesNeedUpdate=!0);MathBox.Renderable.prototype.adjust.call(this,a)}});MathBox.Renderable.ArrowHead=function(a,b,c,d){this.from=a;this.to=b;MathBox.Renderable.call(this,c,d)};MathBox.Renderable.ArrowHead.geometry=new THREE.CylinderGeometry(0.33,0,1,16,1);
-MathBox.Renderable.ArrowHead.prototype=_.extend(new MathBox.Renderable(null),{defaults:function(){return{offset:0,absolute:!0,size:0.1}},make:function(a){var b=this.get();a=this.material=a.generic(b);this._from=new THREE.Vector3;this._to=new THREE.Vector3;this.diff=new THREE.Vector3;this.bi=new THREE.Vector3;this.normal=new THREE.Vector3(0,0,1);b=this.geometry=MathBox.Renderable.ArrowHead.geometry;this.object=new THREE.Mesh(b,a);this.refresh()},isVisible:function(){return this.visible&&0<this.style.get("opacity")},
-adjust:function(a){var b=this.get(),c=b.offset,d=this._from.copy(this.from),e=this._to.copy(this.to);this.mathTransform.multiplyVector3(d);this.mathTransform.multiplyVector3(e);a.to(d);a.to(e);d=this.diff.sub(d,e);if(0.001>d.length())this.object.visible=!1;else{this.object.visible=this.visible;d=d.normalize();this.normal.x=this.diff.y+0.1;this.normal.y=this.diff.z+0.2;this.normal.z=this.diff.x+0.3;this.normal.normalize();var f=this.bi.cross(this.normal,this.diff).normalize(),g=this.normal.cross(this.bi,
-this.diff),b=b.size,e=(new THREE.Matrix4(f.x,d.x,g.x,e.x,f.y,d.y,g.y,e.y,f.z,d.z,g.z,e.z,0,0,0,1)).scale(new THREE.Vector3(b,b,b));this.object.updateMatrix();this.object.matrix.multiplySelf(e);e.identity().setPosition({x:0,y:0.5-c,z:0});this.object.matrix.multiplySelf(e);this.object.matrixAutoUpdate=!1;this.object.matrixWorldNeedsUpdate=!0;MathBox.Renderable.prototype.adjust.call(this,a)}}});
-MathBox.Renderable.Ticks=function(a,b,c,d,e){this.points=a;this.signs=b;this.epsilon=c;MathBox.Renderable.call(this,d,e)};
-MathBox.Renderable.Ticks.prototype=_.extend(new MathBox.Renderable(null),{defaults:function(){return{dynamic:!1,absolute:!1,size:0.1}},make:function(a){var b=this.get(),c=this.points;a=this.material=a.generic({type:"line",shaders:{position:function(a,c){c.position(a,b);a.snippet("tickVertexSplit");a.group();c.viewport(a);a.next();c.viewport(a);a.combine();a.snippet("tickVertexJoin")}}});var d=this.geometry=new THREE.Geometry;d.vertices=c;this.object=new THREE.Line(d,a,THREE.LinePieces);this.refresh()},
-adjust:function(a){var b=this.get();this.material&&this.material.applyAttributes({tickSign:this.signs});this.material&&this.material.applyUniforms({tickEpsilon:this.epsilon,tickSize:b.size});b.dynamic&&(this.material.attributes.tickSign.needsUpdate=!0,this.geometry.verticesNeedUpdate=!0);MathBox.Renderable.prototype.adjust.call(this,a)}});MathBox.Renderable.Labels=function(a,b,c,d,e){this.points=a;this.tangent=b;this.callback=c;this.sprites=[];MathBox.Renderable.call(this,d,e)};
-MathBox.Renderable.Labels.prototype=_.extend(new MathBox.Renderable(null),{defaults:function(){return{absolute:!0,distance:15,size:1}},make:function(a){this.get();var b=this.tangent,c=this.sprites;a=this.points.length;this._anchor=new THREE.Vector3;var d=document.createElement("div"),e=this.object=new MathBox.Sprite(d);d.className="mathbox-labels";_.loop(a,function(a){a=document.createElement("div");var d=document.createElement("div");a.appendChild(d);var h=new MathBox.Sprite(a,b);a.className="mathbox-label";
-d.className="mathbox-wrap";d.style.position="relative";d.style.display="inline-block";d.style.left="-50%";d.style.top="-.5em";c.push(h);e.add(h)})},adjust:function(a,b,c,d,e){var f=this.get(),g=this.points;b=this.sprites;var h=this.callback,k=f.decimals,l=this.style.get("opacity"),m=window.MathJax&&MathJax.Hub,q=1/Math.log(10);_.each(b,function(b,c){b.position.copy(g[c]);a.to(b.position);e.matrix.multiplyVector3(b.position);b.distance=f.distance;b.opacity=l;var d="";if(h){d=h(c);void 0===d&&(d="");
-if(+d==d){var r=+d;if(0!=r)var d=0>r?-1:1,r=Math.abs(r),v=Math.pow(10,k-1-Math.floor(Math.log(r)*q)),d=r=d*Math.round(v*r)/v}m||(d=(""+d).replace(/^-/,"\u2013"))}b.content!==d&&(r=b.element.children[0],b.content=d,b.measure=!0,m?(r.innerHTML="\\("+d+"\\)",MathJax.Hub.queue.Push(["Typeset",MathJax.Hub,r])):r.innerHTML=d)});MathBox.Renderable.prototype.adjust.call(this,a)}});
-MathBox.Viewport=function(a){if(null!==a){var b=this.defaults();a=_.extend(b,a||{});this.set(a);this.singleton="viewport";this._uniforms={}}};
-MathBox.Viewport.prototype={defaults:function(){return{type:"none",rotation:[0,0,0],position:[0,0,0]}},uniforms:function(){return this._uniforms},axis:function(a){return[0,1]},to:function(a){},from:function(a){},update:function(a){var b=this.get();_.each(["position","rotation"],function(c){a[c].set.apply(a[c],b[c])})},shader:function(a){a.snippet("mathToWorld")},validateRotation:function(a){return a.constructor==Array?(a=a.concat([0,0,0]),a.slice(0,3)):this.get("rotation")},validatePosition:function(a){return a.constructor==
-Array?(a=a.concat([0,0,0]),a.slice(0,3)):this.get("position")}};MathBox.Attributes.mixin(MathBox.Viewport,"type");MathBox.Viewport.types={};MathBox.Viewport.make=function(a){return new (MathBox.Viewport.types[a.type]||MathBox.Viewport.types.cartesian||MathBox.Viewport)(a)};
-MathBox.ViewportCartesian=function(a){if(null!==a){var b=MathBox.Viewport;b.call(this,a);this.super=b.prototype;this.transform=new THREE.Matrix4;this.inverse=new THREE.Matrix4;_.extend(this._uniforms,{viewportTransform:this.transform,viewportInverse:this.inverse})}};
-MathBox.ViewportCartesian.prototype=_.extend(new MathBox.Viewport(null),{defaults:function(){return{type:"cartesian",range:[[-1,1],[-1,1],[-1,1]],scale:[1,1,1],rotation:[0,0,0],position:[0,0,0]}},to:function(a){this.transform.multiplyVector3(a)},from:function(a){this.inverse.multiplyVector3(a)},axis:function(a){var b=this.get().range[a];a=b[0];var c=b[1],b=Math.min(a,c);a=Math.max(a,c);return[b,a]},update:function(a){var b=this.get(),c=b.range,d=b.scale,b=c[0][0],e=c[1][0],f=c[2][0],g=c[0][1]-b,h=
-c[1][1]-e,c=c[2][1]-f,k=d[0],l=d[1],d=d[2],m=[g/(2*k),0,0,b+g/2,0,h/(2*l),0,e+h/2,0,0,c/(2*d),f+c/2,0,0,0,1];this.transform.set.apply(this.transform,[2*k/g,0,0,-(2*b+g)*k/g,0,2*l/h,0,-(2*e+h)*l/h,0,0,2*d/c,-(2*f+c)*d/c,0,0,0,1]);this.inverse.set.apply(this.inverse,m);MathBox.Viewport.prototype.update.call(this,a)},validateRange:function(a){a=a||[];for(var b=0;3>b;++b){a[b]=a[b]||[];for(var c=0;2>c;++c)a[b][c]=void 0!==a[b][c]?a[b][c]:2*c-1}return a},validateScale:function(a){a=a||[];for(var b=0;3>
-b;++b)a[b]=a[b]||1;return a}});MathBox.Attributes.mixin(MathBox.Viewport);MathBox.Viewport.types.cartesian=MathBox.ViewportCartesian;MathBox.ViewportPolar=function(a){var b=MathBox.ViewportCartesian;b.call(this,a);this.super=b.prototype;_.extend(this._uniforms,{polarAlpha:0,polarAspect:1,polarPower:1,polarFold:1,polarFocus:1,polarHelix:0})};
-MathBox.ViewportPolar.prototype=_.extend(new MathBox.ViewportCartesian(null),{defaults:function(){return{type:"polar",range:[[-1,1],[-1,1],[-1,1]],polar:1,fold:1,power:1,helix:0,scale:[1,1,1],rotation:[0,0,0],position:[0,0,0]}},to:function(a){var b=this._uniforms.polarAspect,c=this._uniforms.polarFocus,d=this._uniforms.polarAlpha,e=this._uniforms.polarPower,f=this._uniforms.polarHelix;a.x*=this._uniforms.polarFold;a.y=Math.sign(a.y)*Math.pow(Math.abs(a.y),e);if(1E-4<d){var e=c+a.y*b,g=a.x*d;a.z+=
-a.x*f*d;a.x=Math.sin(g)*e;a.y=(Math.cos(g)*e-c)/b}this.transform.multiplyVector3(a)},from:function(a){var b=this._uniforms.polarAspect,c=this._uniforms.polarFocus,d=this._uniforms.polarAlpha,e=this._uniforms.polarFold,f=this._uniforms.polarPower,g=this._uniforms.polarHelix;this.inverse.multiplyVector3(a);if(1E-4<d){var h=a.x,k=a.y*b+c,l=Math.sqrt(h*h+k*k);theta=Math.atan2(h,k);a.x=theta/d;a.y=(l-c)/b;a.z-=a.x*g*d}a.x/=e;a.y=Math.sign(a.y)*Math.pow(Math.abs(a.y),1/f)},axis:function(a){var b=this.super.axis.call(this,
-a);min=b[0];max=b[1];alpha=this._uniforms.polarAlpha;aspect=this._uniforms.polarAspect;focus=this._uniforms.polarFocus;1==a&&0<alpha&&(max=Math.max(Math.abs(max),Math.abs(min)),min=Math.max(-focus/aspect+0.001,min));return[min,max]},update:function(a){var b=this.get(),c=b.range,d=b.scale,e=b.polar,f=b.fold,g=b.power,b=b.helix,h=1,k=c[0][0],l=c[1][0],m=c[2][0],q=c[0][1]-k,u=c[1][1]-l,c=c[2][1]-m,t=d[0],s=d[1],d=d[2],h=0<q?1:-1,r=Math.abs(u),r=q+(r*h-q)*e,h=Math.abs(r/t/(u/s)),v=[r/(2*t),0,0,k+q/2,
-0,u/(2*s),0,l+u/2,0,0,c/(2*d),m+c/2,0,0,0,1];this.transform.set.apply(this.transform,[2*t/r,0,0,-(2*k+q)*t/q,0,2*s/u,0,-(2*l+u)*s/u,0,0,2*d/c,-(2*m+c)*d/c,0,0,0,1]);this.inverse.set.apply(this.inverse,v);this._uniforms.polarAlpha=e;this._uniforms.polarAspect=h;this._uniforms.polarFold=f;this._uniforms.polarPower=g;this._uniforms.polarFocus=0<e?1/e-1:0;this._uniforms.polarHelix=b;MathBox.Viewport.prototype.update.call(this,a)},shader:function(a){a.snippet("polarPower").snippet("cartesianToPolar").snippet("mathToWorld")},
-validatePolar:function(a){return Math.max(0,Math.min(1,+a||0))},validateFold:function(a){return+a||0},validatePower:function(a){return+a||0},validateHelix:function(a){return+a||0}});MathBox.Attributes.mixin(MathBox.Viewport);MathBox.Viewport.types.polar=MathBox.ViewportPolar;MathBox.ViewportProjective=function(a){var b=MathBox.ViewportCartesian;b.call(this,a);this.super=b.prototype;_.extend(this._uniforms,{projectiveTransform:new THREE.Matrix4,projectiveInverse:new THREE.Matrix4})};
-MathBox.ViewportProjective.prototype=_.extend(new MathBox.ViewportCartesian(null),{defaults:function(){return{type:"projective",range:[[-1,1],[-1,1],[-1,1]],scale:[1,1,1],rotation:[0,0,0],position:[0,0,0],projective:[[1,0,0,0],[0,1,0,0],[0,0,1,0],[0,0,0,1]]}},to:function(a){this._uniforms.projectiveTransform.multiplyVector3(a);this.transform.multiplyVector3(a)},from:function(a){this.inverse.multiplyVector3(a);this._uniforms.projectiveInverse.multiplyVector3(a)},update:function(a){var b=this._uniforms.projectiveTransform,
-c=this.get("projective");b.set.apply(b,c[0].concat(c[1],c[2],c[3]));this._uniforms.projectiveInverse.getInverse(b);MathBox.ViewportCartesian.prototype.update.call(this,a)},shader:function(a){a.snippet("projectiveTransform").snippet("mathToWorld")},validateProjective:function(a){if(a.constructor==Array){for(var b=0;3>b;++b)a[b]=a[b]&&a.constructor==Array&&a[b]||[],a[b]=a[b].concat([0,0,0,0]).slice(0,4);return a}}});MathBox.Attributes.mixin(MathBox.Viewport);MathBox.Viewport.types.projective=MathBox.ViewportProjective;
-MathBox.ViewportSphere=function(a){var b=MathBox.ViewportCartesian;b.call(this,a);this.super=b.prototype;_.extend(this._uniforms,{sphereAlpha:0,sphereAspectX:1,sphereAspectY:1,sphereYScale:1,sphereFocus:1})};
-MathBox.ViewportSphere.prototype=_.extend(new MathBox.ViewportCartesian(null),{defaults:function(){return{type:"sphere",range:[[-1,1],[-1,1],[-1,1]],sphere:1,scale:[1,1,1],rotation:[0,0,0],position:[0,0,0]}},to:function(a){var b=this._uniforms.sphereAspectX,c=this._uniforms.sphereAspectY,d=this._uniforms.sphereYScale,e=this._uniforms.sphereFocus,f=this._uniforms.sphereAlpha;if(1E-4<f){var g=e+a.z*b,h=a.x*f,d=a.y*f/c*d,f=Math.cos(d)*g;a.x=Math.sin(h)*f;a.y=Math.sin(d)*g*c;a.z=(Math.cos(h)*f-e)/b}this.transform.multiplyVector3(a)},
-from:function(a){var b=this._uniforms.sphereAspectX,c=this._uniforms.sphereAspectY,d=this._uniforms.sphereYScale,e=this._uniforms.sphereFocus,f=this._uniforms.sphereAlpha;this.inverse.multiplyVector3(a);if(1E-4<f){var g=a.x,h=a.y/c,k=a.z*b+e,l=Math.sqrt(g*g+h*h+k*k),h=Math.atan2(h,Math.sqrt(g*g+k*k)),g=Math.atan2(g,k);a.x=g/f;a.y=h/f*c/d;a.z=(l-e)/b}},axis:function(a){var b=this.super.axis.call(this,a);min=b[0];max=b[1];alpha=this._uniforms.sphereAlpha;beta=this._uniforms.sphereBeta;aspectX=this._uniforms.sphereAspectX;
-aspectY=this._uniforms.sphereAspectY;focus=this._uniforms.sphereFocus;2==a&&0<alpha&&(max=Math.max(Math.abs(max),Math.abs(min)),min=Math.max(-focus/aspectX,min));return[min,max]},update:function(a){var b=this.get(),c=b.range,d=b.scale,b=b.sphere,e=0<b?1/b-1:0,f=c[0][0],g=c[1][0],h=c[2][0],k=c[0][1]-f,l=c[1][1]-g,c=c[2][1]-h,m=d[0],q=d[1],d=d[2],u=0<k?1:-1,t=0<l?1:-1,s=Math.abs(c),u=k+(s*u-k)*b,t=l+(s*t-l)*b,s=c/d;aspectX=u/m/s;aspectY=t/q/s/aspectX;aspectZ=l/k*m/q*2;yScale=Math.min(aspectY/b,1+(aspectZ-
-1)*b);s=[u/(2*m),0,0,f+k/2,0,t/(2*q),0,g+l/2,0,0,c/(2*d),h+c/2,0,0,0,1];this.transform.set.apply(this.transform,[2*m/u,0,0,-(2*f+k)*m/k,0,2*q/t,0,-(2*g+l)*q/l,0,0,2*d/c,-(2*h+c)*d/c,0,0,0,1]);this.inverse.set.apply(this.inverse,s);this._uniforms.sphereAlpha=b;this._uniforms.sphereAspectX=aspectX;this._uniforms.sphereAspectY=aspectY;this._uniforms.sphereYScale=yScale;this._uniforms.sphereFocus=e;MathBox.Viewport.prototype.update.call(this,a)},shader:function(a){a.snippet("cartesianToSphere").snippet("mathToWorld")},
-validateSphere:function(a){return Math.max(0,Math.min(1,+a||0))}});MathBox.Attributes.mixin(MathBox.Viewport);MathBox.Viewport.types.sphere=MathBox.ViewportSphere;
+

From d111560ca8a736b0ef0e3e534c70448129d364aa Mon Sep 17 00:00:00 2001
From: ichuang <ichuang@mit.edu>
Date: Fri, 4 Apr 2014 14:51:53 -0400
Subject: [PATCH 5/9] rebuild all

---
 build/MathBox-bundle.min.js | 1316 ++++++++++++++++++++++++++++++++++-
 build/MathBox-core.min.js   |  126 +++-
 build/MathBox.min.js        |  209 +++++-
 3 files changed, 1648 insertions(+), 3 deletions(-)

diff --git a/build/MathBox-bundle.min.js b/build/MathBox-bundle.min.js
index 8b13789..fe6fd78 100644
--- a/build/MathBox-bundle.min.js
+++ b/build/MathBox-bundle.min.js
@@ -1 +1,1315 @@
-
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+0);return this},negate:function(){return this.multiplyScalar(-1)},dot:function(a){return this.x*a.x+this.y*a.y},lengthSq:function(){return this.x*this.x+this.y*this.y},length:function(){return Math.sqrt(this.lengthSq())},normalize:function(){return this.divideScalar(this.length())},distanceTo:function(a){return Math.sqrt(this.distanceToSquared(a))},distanceToSquared:function(a){var b=this.x-a.x;a=this.y-a.y;return b*b+a*a},setLength:function(a){return this.normalize().multiplyScalar(a)},lerpSelf:function(a,
+b){this.x+=(a.x-this.x)*b;this.y+=(a.y-this.y)*b;return this},equals:function(a){return a.x===this.x&&a.y===this.y},clone:function(){return new THREE.Vector2(this.x,this.y)}};THREE.Vector3=function(a,b,c){this.x=a||0;this.y=b||0;this.z=c||0};
+THREE.Vector3.prototype={constructor:THREE.Vector3,set:function(a,b,c){this.x=a;this.y=b;this.z=c;return this},setX:function(a){this.x=a;return this},setY:function(a){this.y=a;return this},setZ:function(a){this.z=a;return this},copy:function(a){this.x=a.x;this.y=a.y;this.z=a.z;return this},add:function(a,b){this.x=a.x+b.x;this.y=a.y+b.y;this.z=a.z+b.z;return this},addSelf:function(a){this.x+=a.x;this.y+=a.y;this.z+=a.z;return this},addScalar:function(a){this.x+=a;this.y+=a;this.z+=a;return this},
+sub:function(a,b){this.x=a.x-b.x;this.y=a.y-b.y;this.z=a.z-b.z;return this},subSelf:function(a){this.x-=a.x;this.y-=a.y;this.z-=a.z;return this},multiply:function(a,b){this.x=a.x*b.x;this.y=a.y*b.y;this.z=a.z*b.z;return this},multiplySelf:function(a){this.x*=a.x;this.y*=a.y;this.z*=a.z;return this},multiplyScalar:function(a){this.x*=a;this.y*=a;this.z*=a;return this},divideSelf:function(a){this.x/=a.x;this.y/=a.y;this.z/=a.z;return this},divideScalar:function(a){a?(this.x/=a,this.y/=a,this.z/=a):
+this.z=this.y=this.x=0;return this},negate:function(){return this.multiplyScalar(-1)},dot:function(a){return this.x*a.x+this.y*a.y+this.z*a.z},lengthSq:function(){return this.x*this.x+this.y*this.y+this.z*this.z},length:function(){return Math.sqrt(this.lengthSq())},lengthManhattan:function(){return Math.abs(this.x)+Math.abs(this.y)+Math.abs(this.z)},normalize:function(){return this.divideScalar(this.length())},setLength:function(a){return this.normalize().multiplyScalar(a)},lerpSelf:function(a,b){this.x+=
+(a.x-this.x)*b;this.y+=(a.y-this.y)*b;this.z+=(a.z-this.z)*b;return this},cross:function(a,b){this.x=a.y*b.z-a.z*b.y;this.y=a.z*b.x-a.x*b.z;this.z=a.x*b.y-a.y*b.x;return this},crossSelf:function(a){var b=this.x,c=this.y,d=this.z;this.x=c*a.z-d*a.y;this.y=d*a.x-b*a.z;this.z=b*a.y-c*a.x;return this},angleTo:function(a){return Math.acos(this.dot(a)/this.length()/a.length())},distanceTo:function(a){return Math.sqrt(this.distanceToSquared(a))},distanceToSquared:function(a){return(new THREE.Vector3).sub(this,
+a).lengthSq()},getPositionFromMatrix:function(a){this.x=a.elements[12];this.y=a.elements[13];this.z=a.elements[14];return this},setEulerFromRotationMatrix:function(a,b){function c(a){return Math.min(Math.max(a,-1),1)}var d=a.elements,e=d[0],f=d[4],g=d[8],h=d[1],l=d[5],k=d[9],q=d[2],s=d[6],d=d[10];void 0===b||"XYZ"===b?(this.y=Math.asin(c(g)),0.99999>Math.abs(g)?(this.x=Math.atan2(-k,d),this.z=Math.atan2(-f,e)):(this.x=Math.atan2(s,l),this.z=0)):"YXZ"===b?(this.x=Math.asin(-c(k)),0.99999>Math.abs(k)?
+(this.y=Math.atan2(g,d),this.z=Math.atan2(h,l)):(this.y=Math.atan2(-q,e),this.z=0)):"ZXY"===b?(this.x=Math.asin(c(s)),0.99999>Math.abs(s)?(this.y=Math.atan2(-q,d),this.z=Math.atan2(-f,l)):(this.y=0,this.z=Math.atan2(h,e))):"ZYX"===b?(this.y=Math.asin(-c(q)),0.99999>Math.abs(q)?(this.x=Math.atan2(s,d),this.z=Math.atan2(h,e)):(this.x=0,this.z=Math.atan2(-f,l))):"YZX"===b?(this.z=Math.asin(c(h)),0.99999>Math.abs(h)?(this.x=Math.atan2(-k,l),this.y=Math.atan2(-q,e)):(this.x=0,this.y=Math.atan2(g,d))):
+"XZY"===b&&(this.z=Math.asin(-c(f)),0.99999>Math.abs(f)?(this.x=Math.atan2(s,l),this.y=Math.atan2(g,e)):(this.x=Math.atan2(-k,d),this.y=0));return this},setEulerFromQuaternion:function(a,b){function c(a){return Math.min(Math.max(a,-1),1)}var d=a.x*a.x,e=a.y*a.y,f=a.z*a.z,g=a.w*a.w;void 0===b||"XYZ"===b?(this.x=Math.atan2(2*(a.x*a.w-a.y*a.z),g-d-e+f),this.y=Math.asin(c(2*(a.x*a.z+a.y*a.w))),this.z=Math.atan2(2*(a.z*a.w-a.x*a.y),g+d-e-f)):"YXZ"===b?(this.x=Math.asin(c(2*(a.x*a.w-a.y*a.z))),this.y=Math.atan2(2*
+(a.x*a.z+a.y*a.w),g-d-e+f),this.z=Math.atan2(2*(a.x*a.y+a.z*a.w),g-d+e-f)):"ZXY"===b?(this.x=Math.asin(c(2*(a.x*a.w+a.y*a.z))),this.y=Math.atan2(2*(a.y*a.w-a.z*a.x),g-d-e+f),this.z=Math.atan2(2*(a.z*a.w-a.x*a.y),g-d+e-f)):"ZYX"===b?(this.x=Math.atan2(2*(a.x*a.w+a.z*a.y),g-d-e+f),this.y=Math.asin(c(2*(a.y*a.w-a.x*a.z))),this.z=Math.atan2(2*(a.x*a.y+a.z*a.w),g+d-e-f)):"YZX"===b?(this.x=Math.atan2(2*(a.x*a.w-a.z*a.y),g-d+e-f),this.y=Math.atan2(2*(a.y*a.w-a.x*a.z),g+d-e-f),this.z=Math.asin(c(2*(a.x*a.y+
+a.z*a.w)))):"XZY"===b&&(this.x=Math.atan2(2*(a.x*a.w+a.y*a.z),g-d+e-f),this.y=Math.atan2(2*(a.x*a.z+a.y*a.w),g+d-e-f),this.z=Math.asin(c(2*(a.z*a.w-a.x*a.y))));return this},getScaleFromMatrix:function(a){var b=this.set(a.elements[0],a.elements[1],a.elements[2]).length(),c=this.set(a.elements[4],a.elements[5],a.elements[6]).length();a=this.set(a.elements[8],a.elements[9],a.elements[10]).length();this.x=b;this.y=c;this.z=a;return this},equals:function(a){return a.x===this.x&&a.y===this.y&&a.z===this.z},
+clone:function(){return new THREE.Vector3(this.x,this.y,this.z)}};THREE.Vector4=function(a,b,c,d){this.x=a||0;this.y=b||0;this.z=c||0;this.w=void 0!==d?d:1};
+THREE.Vector4.prototype={constructor:THREE.Vector4,set:function(a,b,c,d){this.x=a;this.y=b;this.z=c;this.w=d;return this},copy:function(a){this.x=a.x;this.y=a.y;this.z=a.z;this.w=void 0!==a.w?a.w:1;return this},add:function(a,b){this.x=a.x+b.x;this.y=a.y+b.y;this.z=a.z+b.z;this.w=a.w+b.w;return this},addSelf:function(a){this.x+=a.x;this.y+=a.y;this.z+=a.z;this.w+=a.w;return this},sub:function(a,b){this.x=a.x-b.x;this.y=a.y-b.y;this.z=a.z-b.z;this.w=a.w-b.w;return this},subSelf:function(a){this.x-=
+a.x;this.y-=a.y;this.z-=a.z;this.w-=a.w;return this},multiplyScalar:function(a){this.x*=a;this.y*=a;this.z*=a;this.w*=a;return this},divideScalar:function(a){a?(this.x/=a,this.y/=a,this.z/=a,this.w/=a):(this.z=this.y=this.x=0,this.w=1);return this},negate:function(){return this.multiplyScalar(-1)},dot:function(a){return this.x*a.x+this.y*a.y+this.z*a.z+this.w*a.w},lengthSq:function(){return this.dot(this)},length:function(){return Math.sqrt(this.lengthSq())},lengthManhattan:function(){return Math.abs(this.x)+
+Math.abs(this.y)+Math.abs(this.z)+Math.abs(this.w)},normalize:function(){return this.divideScalar(this.length())},setLength:function(a){return this.normalize().multiplyScalar(a)},lerpSelf:function(a,b){this.x+=(a.x-this.x)*b;this.y+=(a.y-this.y)*b;this.z+=(a.z-this.z)*b;this.w+=(a.w-this.w)*b;return this},clone:function(){return new THREE.Vector4(this.x,this.y,this.z,this.w)},setAxisAngleFromQuaternion:function(a){this.w=2*Math.acos(a.w);var b=Math.sqrt(1-a.w*a.w);1E-4>b?(this.x=1,this.z=this.y=0):
+(this.x=a.x/b,this.y=a.y/b,this.z=a.z/b);return this},setAxisAngleFromRotationMatrix:function(a){var b,c,d;a=a.elements;var e=a[0];d=a[4];var f=a[8],g=a[1],h=a[5],l=a[9];c=a[2];b=a[6];var k=a[10];if(0.01>Math.abs(d-g)&&0.01>Math.abs(f-c)&&0.01>Math.abs(l-b)){if(0.1>Math.abs(d+g)&&0.1>Math.abs(f+c)&&0.1>Math.abs(l+b)&&0.1>Math.abs(e+h+k-3))return this.set(1,0,0,0),this;a=Math.PI;e=(e+1)/2;h=(h+1)/2;k=(k+1)/2;d=(d+g)/4;f=(f+c)/4;l=(l+b)/4;e>h&&e>k?0.01>e?(b=0,d=c=0.707106781):(b=Math.sqrt(e),c=d/b,
+d=f/b):h>k?0.01>h?(b=0.707106781,c=0,d=0.707106781):(c=Math.sqrt(h),b=d/c,d=l/c):0.01>k?(c=b=0.707106781,d=0):(d=Math.sqrt(k),b=f/d,c=l/d);this.set(b,c,d,a);return this}a=Math.sqrt((b-l)*(b-l)+(f-c)*(f-c)+(g-d)*(g-d));0.001>Math.abs(a)&&(a=1);this.x=(b-l)/a;this.y=(f-c)/a;this.z=(g-d)/a;this.w=Math.acos((e+h+k-1)/2);return this}};THREE.Matrix3=function(){this.elements=new Float32Array(9)};
+THREE.Matrix3.prototype={constructor:THREE.Matrix3,multiplyVector3:function(a){var b=this.elements,c=a.x,d=a.y,e=a.z;a.x=b[0]*c+b[3]*d+b[6]*e;a.y=b[1]*c+b[4]*d+b[7]*e;a.z=b[2]*c+b[5]*d+b[8]*e;return a},multiplyVector3Array:function(a){for(var b=THREE.Matrix3.__v1,c=0,d=a.length;c<d;c+=3)b.x=a[c],b.y=a[c+1],b.z=a[c+2],this.multiplyVector3(b),a[c]=b.x,a[c+1]=b.y,a[c+2]=b.z;return a},getInverse:function(a){var b=a.elements;a=b[10]*b[5]-b[6]*b[9];var c=-b[10]*b[1]+b[2]*b[9],d=b[6]*b[1]-b[2]*b[5],e=-b[10]*
+b[4]+b[6]*b[8],f=b[10]*b[0]-b[2]*b[8],g=-b[6]*b[0]+b[2]*b[4],h=b[9]*b[4]-b[5]*b[8],l=-b[9]*b[0]+b[1]*b[8],k=b[5]*b[0]-b[1]*b[4],b=b[0]*a+b[1]*e+b[2]*h;0===b&&console.warn("Matrix3.getInverse(): determinant == 0");var b=1/b,q=this.elements;q[0]=b*a;q[1]=b*c;q[2]=b*d;q[3]=b*e;q[4]=b*f;q[5]=b*g;q[6]=b*h;q[7]=b*l;q[8]=b*k;return this},transpose:function(){var a,b=this.elements;a=b[1];b[1]=b[3];b[3]=a;a=b[2];b[2]=b[6];b[6]=a;a=b[5];b[5]=b[7];b[7]=a;return this},transposeIntoArray:function(a){var b=this.m;
+a[0]=b[0];a[1]=b[3];a[2]=b[6];a[3]=b[1];a[4]=b[4];a[5]=b[7];a[6]=b[2];a[7]=b[5];a[8]=b[8];return this}};THREE.Matrix3.__v1=new THREE.Vector3;THREE.Matrix4=function(a,b,c,d,e,f,g,h,l,k,q,s,t,v,u,w){this.elements=new Float32Array(16);this.set(void 0!==a?a:1,b||0,c||0,d||0,e||0,void 0!==f?f:1,g||0,h||0,l||0,k||0,void 0!==q?q:1,s||0,t||0,v||0,u||0,void 0!==w?w:1)};
+THREE.Matrix4.prototype={constructor:THREE.Matrix4,set:function(a,b,c,d,e,f,g,h,l,k,q,s,t,v,u,w){var x=this.elements;x[0]=a;x[4]=b;x[8]=c;x[12]=d;x[1]=e;x[5]=f;x[9]=g;x[13]=h;x[2]=l;x[6]=k;x[10]=q;x[14]=s;x[3]=t;x[7]=v;x[11]=u;x[15]=w;return this},identity:function(){this.set(1,0,0,0,0,1,0,0,0,0,1,0,0,0,0,1);return this},copy:function(a){a=a.elements;this.set(a[0],a[4],a[8],a[12],a[1],a[5],a[9],a[13],a[2],a[6],a[10],a[14],a[3],a[7],a[11],a[15]);return this},lookAt:function(a,b,c){var d=this.elements,
+e=THREE.Matrix4.__v1,f=THREE.Matrix4.__v2,g=THREE.Matrix4.__v3;g.sub(a,b).normalize();0===g.length()&&(g.z=1);e.cross(c,g).normalize();0===e.length()&&(g.x+=1E-4,e.cross(c,g).normalize());f.cross(g,e);d[0]=e.x;d[4]=f.x;d[8]=g.x;d[1]=e.y;d[5]=f.y;d[9]=g.y;d[2]=e.z;d[6]=f.z;d[10]=g.z;return this},multiply:function(a,b){var c=a.elements,d=b.elements,e=this.elements,f=c[0],g=c[4],h=c[8],l=c[12],k=c[1],q=c[5],s=c[9],t=c[13],v=c[2],u=c[6],w=c[10],x=c[14],y=c[3],A=c[7],C=c[11],c=c[15],B=d[0],z=d[4],D=d[8],
+I=d[12],J=d[1],F=d[5],K=d[9],L=d[13],H=d[2],T=d[6],R=d[10],m=d[14],O=d[3],W=d[7],P=d[11],d=d[15];e[0]=f*B+g*J+h*H+l*O;e[4]=f*z+g*F+h*T+l*W;e[8]=f*D+g*K+h*R+l*P;e[12]=f*I+g*L+h*m+l*d;e[1]=k*B+q*J+s*H+t*O;e[5]=k*z+q*F+s*T+t*W;e[9]=k*D+q*K+s*R+t*P;e[13]=k*I+q*L+s*m+t*d;e[2]=v*B+u*J+w*H+x*O;e[6]=v*z+u*F+w*T+x*W;e[10]=v*D+u*K+w*R+x*P;e[14]=v*I+u*L+w*m+x*d;e[3]=y*B+A*J+C*H+c*O;e[7]=y*z+A*F+C*T+c*W;e[11]=y*D+A*K+C*R+c*P;e[15]=y*I+A*L+C*m+c*d;return this},multiplySelf:function(a){return this.multiply(this,
+a)},multiplyToArray:function(a,b,c){var d=this.elements;this.multiply(a,b);c[0]=d[0];c[1]=d[1];c[2]=d[2];c[3]=d[3];c[4]=d[4];c[5]=d[5];c[6]=d[6];c[7]=d[7];c[8]=d[8];c[9]=d[9];c[10]=d[10];c[11]=d[11];c[12]=d[12];c[13]=d[13];c[14]=d[14];c[15]=d[15];return this},multiplyScalar:function(a){var b=this.elements;b[0]*=a;b[4]*=a;b[8]*=a;b[12]*=a;b[1]*=a;b[5]*=a;b[9]*=a;b[13]*=a;b[2]*=a;b[6]*=a;b[10]*=a;b[14]*=a;b[3]*=a;b[7]*=a;b[11]*=a;b[15]*=a;return this},multiplyVector3:function(a){var b=this.elements,
+c=a.x,d=a.y,e=a.z,f=1/(b[3]*c+b[7]*d+b[11]*e+b[15]);a.x=(b[0]*c+b[4]*d+b[8]*e+b[12])*f;a.y=(b[1]*c+b[5]*d+b[9]*e+b[13])*f;a.z=(b[2]*c+b[6]*d+b[10]*e+b[14])*f;return a},multiplyVector4:function(a){var b=this.elements,c=a.x,d=a.y,e=a.z,f=a.w;a.x=b[0]*c+b[4]*d+b[8]*e+b[12]*f;a.y=b[1]*c+b[5]*d+b[9]*e+b[13]*f;a.z=b[2]*c+b[6]*d+b[10]*e+b[14]*f;a.w=b[3]*c+b[7]*d+b[11]*e+b[15]*f;return a},multiplyVector3Array:function(a){for(var b=THREE.Matrix4.__v1,c=0,d=a.length;c<d;c+=3)b.x=a[c],b.y=a[c+1],b.z=a[c+2],
+this.multiplyVector3(b),a[c]=b.x,a[c+1]=b.y,a[c+2]=b.z;return a},rotateAxis:function(a){var b=this.elements,c=a.x,d=a.y,e=a.z;a.x=c*b[0]+d*b[4]+e*b[8];a.y=c*b[1]+d*b[5]+e*b[9];a.z=c*b[2]+d*b[6]+e*b[10];a.normalize();return a},crossVector:function(a){var b=this.elements,c=new THREE.Vector4;c.x=b[0]*a.x+b[4]*a.y+b[8]*a.z+b[12]*a.w;c.y=b[1]*a.x+b[5]*a.y+b[9]*a.z+b[13]*a.w;c.z=b[2]*a.x+b[6]*a.y+b[10]*a.z+b[14]*a.w;c.w=a.w?b[3]*a.x+b[7]*a.y+b[11]*a.z+b[15]*a.w:1;return c},determinant:function(){var a=
+this.elements,b=a[0],c=a[4],d=a[8],e=a[12],f=a[1],g=a[5],h=a[9],l=a[13],k=a[2],q=a[6],s=a[10],t=a[14],v=a[3],u=a[7],w=a[11],a=a[15];return e*h*q*v-d*l*q*v-e*g*s*v+c*l*s*v+d*g*t*v-c*h*t*v-e*h*k*u+d*l*k*u+e*f*s*u-b*l*s*u-d*f*t*u+b*h*t*u+e*g*k*w-c*l*k*w-e*f*q*w+b*l*q*w+c*f*t*w-b*g*t*w-d*g*k*a+c*h*k*a+d*f*q*a-b*h*q*a-c*f*s*a+b*g*s*a},transpose:function(){var a=this.elements,b;b=a[1];a[1]=a[4];a[4]=b;b=a[2];a[2]=a[8];a[8]=b;b=a[6];a[6]=a[9];a[9]=b;b=a[3];a[3]=a[12];a[12]=b;b=a[7];a[7]=a[13];a[13]=b;b=
+a[11];a[11]=a[14];a[14]=b;return this},flattenToArray:function(a){var b=this.elements;a[0]=b[0];a[1]=b[1];a[2]=b[2];a[3]=b[3];a[4]=b[4];a[5]=b[5];a[6]=b[6];a[7]=b[7];a[8]=b[8];a[9]=b[9];a[10]=b[10];a[11]=b[11];a[12]=b[12];a[13]=b[13];a[14]=b[14];a[15]=b[15];return a},flattenToArrayOffset:function(a,b){var c=this.elements;a[b]=c[0];a[b+1]=c[1];a[b+2]=c[2];a[b+3]=c[3];a[b+4]=c[4];a[b+5]=c[5];a[b+6]=c[6];a[b+7]=c[7];a[b+8]=c[8];a[b+9]=c[9];a[b+10]=c[10];a[b+11]=c[11];a[b+12]=c[12];a[b+13]=c[13];a[b+
+14]=c[14];a[b+15]=c[15];return a},getPosition:function(){var a=this.elements;return THREE.Matrix4.__v1.set(a[12],a[13],a[14])},setPosition:function(a){var b=this.elements;b[12]=a.x;b[13]=a.y;b[14]=a.z;return this},getColumnX:function(){var a=this.elements;return THREE.Matrix4.__v1.set(a[0],a[1],a[2])},getColumnY:function(){var a=this.elements;return THREE.Matrix4.__v1.set(a[4],a[5],a[6])},getColumnZ:function(){var a=this.elements;return THREE.Matrix4.__v1.set(a[8],a[9],a[10])},getInverse:function(a){var b=
+this.elements,c=a.elements,d=c[0],e=c[4],f=c[8],g=c[12],h=c[1],l=c[5],k=c[9],q=c[13],s=c[2],t=c[6],v=c[10],u=c[14],w=c[3],x=c[7],y=c[11],c=c[15];b[0]=k*u*x-q*v*x+q*t*y-l*u*y-k*t*c+l*v*c;b[4]=g*v*x-f*u*x-g*t*y+e*u*y+f*t*c-e*v*c;b[8]=f*q*x-g*k*x+g*l*y-e*q*y-f*l*c+e*k*c;b[12]=g*k*t-f*q*t-g*l*v+e*q*v+f*l*u-e*k*u;b[1]=q*v*w-k*u*w-q*s*y+h*u*y+k*s*c-h*v*c;b[5]=f*u*w-g*v*w+g*s*y-d*u*y-f*s*c+d*v*c;b[9]=g*k*w-f*q*w-g*h*y+d*q*y+f*h*c-d*k*c;b[13]=f*q*s-g*k*s+g*h*v-d*q*v-f*h*u+d*k*u;b[2]=l*u*w-q*t*w+q*s*x-h*u*
+x-l*s*c+h*t*c;b[6]=g*t*w-e*u*w-g*s*x+d*u*x+e*s*c-d*t*c;b[10]=e*q*w-g*l*w+g*h*x-d*q*x-e*h*c+d*l*c;b[14]=g*l*s-e*q*s-g*h*t+d*q*t+e*h*u-d*l*u;b[3]=k*t*w-l*v*w-k*s*x+h*v*x+l*s*y-h*t*y;b[7]=e*v*w-f*t*w+f*s*x-d*v*x-e*s*y+d*t*y;b[11]=f*l*w-e*k*w-f*h*x+d*k*x+e*h*y-d*l*y;b[15]=e*k*s-f*l*s+f*h*t-d*k*t-e*h*v+d*l*v;this.multiplyScalar(1/a.determinant());return this},setRotationFromEuler:function(a,b){var c=this.elements,d=a.x,e=a.y,f=a.z,g=Math.cos(d),d=Math.sin(d),h=Math.cos(e),e=Math.sin(e),l=Math.cos(f),f=
+Math.sin(f);if(void 0===b||"XYZ"===b){var k=g*l,q=g*f,s=d*l,t=d*f;c[0]=h*l;c[4]=-h*f;c[8]=e;c[1]=q+s*e;c[5]=k-t*e;c[9]=-d*h;c[2]=t-k*e;c[6]=s+q*e;c[10]=g*h}else"YXZ"===b?(k=h*l,q=h*f,s=e*l,t=e*f,c[0]=k+t*d,c[4]=s*d-q,c[8]=g*e,c[1]=g*f,c[5]=g*l,c[9]=-d,c[2]=q*d-s,c[6]=t+k*d,c[10]=g*h):"ZXY"===b?(k=h*l,q=h*f,s=e*l,t=e*f,c[0]=k-t*d,c[4]=-g*f,c[8]=s+q*d,c[1]=q+s*d,c[5]=g*l,c[9]=t-k*d,c[2]=-g*e,c[6]=d,c[10]=g*h):"ZYX"===b?(k=g*l,q=g*f,s=d*l,t=d*f,c[0]=h*l,c[4]=s*e-q,c[8]=k*e+t,c[1]=h*f,c[5]=t*e+k,c[9]=
+q*e-s,c[2]=-e,c[6]=d*h,c[10]=g*h):"YZX"===b?(k=g*h,q=g*e,s=d*h,t=d*e,c[0]=h*l,c[4]=t-k*f,c[8]=s*f+q,c[1]=f,c[5]=g*l,c[9]=-d*l,c[2]=-e*l,c[6]=q*f+s,c[10]=k-t*f):"XZY"===b&&(k=g*h,q=g*e,s=d*h,t=d*e,c[0]=h*l,c[4]=-f,c[8]=e*l,c[1]=k*f+t,c[5]=g*l,c[9]=q*f-s,c[2]=s*f-q,c[6]=d*l,c[10]=t*f+k);return this},setRotationFromQuaternion:function(a){var b=this.elements,c=a.x,d=a.y,e=a.z,f=a.w,g=c+c,h=d+d,l=e+e;a=c*g;var k=c*h,c=c*l,q=d*h,d=d*l,e=e*l,g=f*g,h=f*h,f=f*l;b[0]=1-(q+e);b[4]=k-f;b[8]=c+h;b[1]=k+f;b[5]=
+1-(a+e);b[9]=d-g;b[2]=c-h;b[6]=d+g;b[10]=1-(a+q);return this},compose:function(a,b,c){var d=this.elements,e=THREE.Matrix4.__m1,f=THREE.Matrix4.__m2;e.identity();e.setRotationFromQuaternion(b);f.makeScale(c.x,c.y,c.z);this.multiply(e,f);d[12]=a.x;d[13]=a.y;d[14]=a.z;return this},decompose:function(a,b,c){var d=this.elements,e=THREE.Matrix4.__v1,f=THREE.Matrix4.__v2,g=THREE.Matrix4.__v3;e.set(d[0],d[1],d[2]);f.set(d[4],d[5],d[6]);g.set(d[8],d[9],d[10]);a=a instanceof THREE.Vector3?a:new THREE.Vector3;
+b=b instanceof THREE.Quaternion?b:new THREE.Quaternion;c=c instanceof THREE.Vector3?c:new THREE.Vector3;c.x=e.length();c.y=f.length();c.z=g.length();a.x=d[12];a.y=d[13];a.z=d[14];d=THREE.Matrix4.__m1;d.copy(this);d.elements[0]/=c.x;d.elements[1]/=c.x;d.elements[2]/=c.x;d.elements[4]/=c.y;d.elements[5]/=c.y;d.elements[6]/=c.y;d.elements[8]/=c.z;d.elements[9]/=c.z;d.elements[10]/=c.z;b.setFromRotationMatrix(d);return[a,b,c]},extractPosition:function(a){var b=this.elements;a=a.elements;b[12]=a[12];b[13]=
+a[13];b[14]=a[14];return this},extractRotation:function(a){var b=this.elements;a=a.elements;var c=THREE.Matrix4.__v1,d=1/c.set(a[0],a[1],a[2]).length(),e=1/c.set(a[4],a[5],a[6]).length(),c=1/c.set(a[8],a[9],a[10]).length();b[0]=a[0]*d;b[1]=a[1]*d;b[2]=a[2]*d;b[4]=a[4]*e;b[5]=a[5]*e;b[6]=a[6]*e;b[8]=a[8]*c;b[9]=a[9]*c;b[10]=a[10]*c;return this},translate:function(a){var b=this.elements,c=a.x,d=a.y;a=a.z;b[12]=b[0]*c+b[4]*d+b[8]*a+b[12];b[13]=b[1]*c+b[5]*d+b[9]*a+b[13];b[14]=b[2]*c+b[6]*d+b[10]*a+b[14];
+b[15]=b[3]*c+b[7]*d+b[11]*a+b[15];return this},rotateX:function(a){var b=this.elements,c=b[4],d=b[5],e=b[6],f=b[7],g=b[8],h=b[9],l=b[10],k=b[11],q=Math.cos(a);a=Math.sin(a);b[4]=q*c+a*g;b[5]=q*d+a*h;b[6]=q*e+a*l;b[7]=q*f+a*k;b[8]=q*g-a*c;b[9]=q*h-a*d;b[10]=q*l-a*e;b[11]=q*k-a*f;return this},rotateY:function(a){var b=this.elements,c=b[0],d=b[1],e=b[2],f=b[3],g=b[8],h=b[9],l=b[10],k=b[11],q=Math.cos(a);a=Math.sin(a);b[0]=q*c-a*g;b[1]=q*d-a*h;b[2]=q*e-a*l;b[3]=q*f-a*k;b[8]=q*g+a*c;b[9]=q*h+a*d;b[10]=
+q*l+a*e;b[11]=q*k+a*f;return this},rotateZ:function(a){var b=this.elements,c=b[0],d=b[1],e=b[2],f=b[3],g=b[4],h=b[5],l=b[6],k=b[7],q=Math.cos(a);a=Math.sin(a);b[0]=q*c+a*g;b[1]=q*d+a*h;b[2]=q*e+a*l;b[3]=q*f+a*k;b[4]=q*g-a*c;b[5]=q*h-a*d;b[6]=q*l-a*e;b[7]=q*k-a*f;return this},rotateByAxis:function(a,b){var c=this.elements;if(1===a.x&&0===a.y&&0===a.z)return this.rotateX(b);if(0===a.x&&1===a.y&&0===a.z)return this.rotateY(b);if(0===a.x&&0===a.y&&1===a.z)return this.rotateZ(b);var d=a.x,e=a.y,f=a.z,
+g=Math.sqrt(d*d+e*e+f*f),d=d/g,e=e/g,f=f/g,g=d*d,h=e*e,l=f*f,k=Math.cos(b),q=Math.sin(b),s=1-k,t=d*e*s,v=d*f*s,s=e*f*s,d=d*q,u=e*q,q=f*q,f=g+(1-g)*k,g=t+q,e=v-u,t=t-q,h=h+(1-h)*k,q=s+d,v=v+u,s=s-d,l=l+(1-l)*k,k=c[0],d=c[1],u=c[2],w=c[3],x=c[4],y=c[5],A=c[6],C=c[7],B=c[8],z=c[9],D=c[10],I=c[11];c[0]=f*k+g*x+e*B;c[1]=f*d+g*y+e*z;c[2]=f*u+g*A+e*D;c[3]=f*w+g*C+e*I;c[4]=t*k+h*x+q*B;c[5]=t*d+h*y+q*z;c[6]=t*u+h*A+q*D;c[7]=t*w+h*C+q*I;c[8]=v*k+s*x+l*B;c[9]=v*d+s*y+l*z;c[10]=v*u+s*A+l*D;c[11]=v*w+s*C+l*I;
+return this},scale:function(a){var b=this.elements,c=a.x,d=a.y;a=a.z;b[0]*=c;b[4]*=d;b[8]*=a;b[1]*=c;b[5]*=d;b[9]*=a;b[2]*=c;b[6]*=d;b[10]*=a;b[3]*=c;b[7]*=d;b[11]*=a;return this},getMaxScaleOnAxis:function(){var a=this.elements;return Math.sqrt(Math.max(a[0]*a[0]+a[1]*a[1]+a[2]*a[2],Math.max(a[4]*a[4]+a[5]*a[5]+a[6]*a[6],a[8]*a[8]+a[9]*a[9]+a[10]*a[10])))},makeTranslation:function(a,b,c){this.set(1,0,0,a,0,1,0,b,0,0,1,c,0,0,0,1);return this},makeRotationX:function(a){var b=Math.cos(a);a=Math.sin(a);
+this.set(1,0,0,0,0,b,-a,0,0,a,b,0,0,0,0,1);return this},makeRotationY:function(a){var b=Math.cos(a);a=Math.sin(a);this.set(b,0,a,0,0,1,0,0,-a,0,b,0,0,0,0,1);return this},makeRotationZ:function(a){var b=Math.cos(a);a=Math.sin(a);this.set(b,-a,0,0,a,b,0,0,0,0,1,0,0,0,0,1);return this},makeRotationAxis:function(a,b){var c=Math.cos(b),d=Math.sin(b),e=1-c,f=a.x,g=a.y,h=a.z,l=e*f,k=e*g;this.set(l*f+c,l*g-d*h,l*h+d*g,0,l*g+d*h,k*g+c,k*h-d*f,0,l*h-d*g,k*h+d*f,e*h*h+c,0,0,0,0,1);return this},makeScale:function(a,
+b,c){this.set(a,0,0,0,0,b,0,0,0,0,c,0,0,0,0,1);return this},makeFrustum:function(a,b,c,d,e,f){var g=this.elements;g[0]=2*e/(b-a);g[4]=0;g[8]=(b+a)/(b-a);g[12]=0;g[1]=0;g[5]=2*e/(d-c);g[9]=(d+c)/(d-c);g[13]=0;g[2]=0;g[6]=0;g[10]=-(f+e)/(f-e);g[14]=-2*f*e/(f-e);g[3]=0;g[7]=0;g[11]=-1;g[15]=0;return this},makePerspective:function(a,b,c,d){a=c*Math.tan(a*Math.PI/360);var e=-a;return this.makeFrustum(e*b,a*b,e,a,c,d)},makeOrthographic:function(a,b,c,d,e,f){var g=this.elements,h=b-a,l=c-d,k=f-e;g[0]=2/
+h;g[4]=0;g[8]=0;g[12]=-((b+a)/h);g[1]=0;g[5]=2/l;g[9]=0;g[13]=-((c+d)/l);g[2]=0;g[6]=0;g[10]=-2/k;g[14]=-((f+e)/k);g[3]=0;g[7]=0;g[11]=0;g[15]=1;return this},clone:function(){var a=this.elements;return new THREE.Matrix4(a[0],a[4],a[8],a[12],a[1],a[5],a[9],a[13],a[2],a[6],a[10],a[14],a[3],a[7],a[11],a[15])}};THREE.Matrix4.__v1=new THREE.Vector3;THREE.Matrix4.__v2=new THREE.Vector3;THREE.Matrix4.__v3=new THREE.Vector3;THREE.Matrix4.__m1=new THREE.Matrix4;THREE.Matrix4.__m2=new THREE.Matrix4;
+THREE.EventTarget=function(){var a={};this.addEventListener=function(b,c){void 0===a[b]&&(a[b]=[]);-1===a[b].indexOf(c)&&a[b].push(c)};this.dispatchEvent=function(b){for(var c in a[b.type])a[b.type][c](b)};this.removeEventListener=function(b,c){var d=a[b].indexOf(c);-1!==d&&a[b].splice(d,1)}};THREE.Frustum=function(){this.planes=[new THREE.Vector4,new THREE.Vector4,new THREE.Vector4,new THREE.Vector4,new THREE.Vector4,new THREE.Vector4]};
+THREE.Frustum.prototype.setFromMatrix=function(a){var b=this.planes,c=a.elements;a=c[0];var d=c[1],e=c[2],f=c[3],g=c[4],h=c[5],l=c[6],k=c[7],q=c[8],s=c[9],t=c[10],v=c[11],u=c[12],w=c[13],x=c[14],c=c[15];b[0].set(f-a,k-g,v-q,c-u);b[1].set(f+a,k+g,v+q,c+u);b[2].set(f+d,k+h,v+s,c+w);b[3].set(f-d,k-h,v-s,c-w);b[4].set(f-e,k-l,v-t,c-x);b[5].set(f+e,k+l,v+t,c+x);for(d=0;6>d;d++)a=b[d],a.divideScalar(Math.sqrt(a.x*a.x+a.y*a.y+a.z*a.z))};
+THREE.Frustum.prototype.contains=function(a){var b=0,c=this.planes,b=a.matrixWorld,d=b.elements;a=-a.geometry.boundingSphere.radius*b.getMaxScaleOnAxis();for(var e=0;6>e;e++)if(b=c[e].x*d[12]+c[e].y*d[13]+c[e].z*d[14]+c[e].w,b<=a)return!1;return!0};THREE.Frustum.__v1=new THREE.Vector3;
+(function(a){a.Ray=function(b,c,d,e){this.origin=b||new a.Vector3;this.direction=c||new a.Vector3;this.near=d||0;this.far=e||Infinity};var b=new a.Vector3,c=new a.Vector3,d=new a.Vector3,e=new a.Vector3;new a.Vector3;var f=new a.Vector3,g=new a.Matrix4,h=function(a,b){return a.distance-b.distance},l=new a.Vector3,k=new a.Vector3,q=new a.Vector3,s=function(a,b,c){l.sub(c,a);var d=l.dot(b);a=k.add(a,q.copy(b).multiplyScalar(d));return c.distanceTo(a)},t=function(a,b,c,d){l.sub(d,b);k.sub(c,b);q.sub(a,
+b);a=l.dot(l);b=l.dot(k);c=l.dot(q);var e=k.dot(k);d=k.dot(q);var f=1/(a*e-b*b),e=(e*c-b*d)*f;a=(a*d-b*c)*f;return 0<=e&&0<=a&&1>e+a},v=function(h,l,k){if(h instanceof a.Particle){var q=s(l.origin,l.direction,h.matrixWorld.getPosition());if(q>h.scale.x)return k;k.push({distance:q,point:h.position,face:null,object:h})}else if(h instanceof a.Mesh){var v=h.geometry.boundingSphere.radius*h.matrixWorld.getMaxScaleOnAxis(),q=s(l.origin,l.direction,h.matrixWorld.getPosition());if(q>v)return k;var v=h.geometry,
+u=v.vertices,z=h.material instanceof a.MeshFaceMaterial,D=!0===z?h.material.materials:null,q=h.material.side,I,J,F,K=l.precision;h.matrixRotationWorld.extractRotation(h.matrixWorld);b.copy(l.origin);g.getInverse(h.matrixWorld);c.copy(b);g.multiplyVector3(c);d.copy(l.direction);g.rotateAxis(d).normalize();for(var L=0,H=v.faces.length;L<H;L++){var T=v.faces[L],q=!0===z?D[T.materialIndex]:h.material;void 0===q||(q=q.side,e.sub(T.centroid,c),J=T.normal,I=d.dot(J),Math.abs(I)<K||(J=J.dot(e)/I,0>J||!(q===
+a.DoubleSide||(q===a.FrontSide?0>I:0<I))))||((f.add(c,d.multiplyScalar(J)),T instanceof a.Face3)?(q=u[T.a],I=u[T.b],J=u[T.c],t(f,q,I,J)&&(I=h.matrixWorld.multiplyVector3(f.clone()),q=b.distanceTo(I),q<l.near||q>l.far||k.push({distance:q,point:I,face:T,faceIndex:L,object:h}))):T instanceof a.Face4&&(q=u[T.a],I=u[T.b],J=u[T.c],F=u[T.d],t(f,q,I,F)||t(f,I,J,F))&&(I=h.matrixWorld.multiplyVector3(f.clone()),q=b.distanceTo(I),q<l.near||q>l.far||k.push({distance:q,point:I,face:T,faceIndex:L,object:h})))}}},
+u=function(a,b,c){a=a.getDescendants();for(var d=0,e=a.length;d<e;d++)v(a[d],b,c)};a.Ray.prototype.precision=1E-4;a.Ray.prototype.set=function(a,b){this.origin=a;this.direction=b};a.Ray.prototype.intersectObject=function(a,b){var c=[];!0===b&&u(a,this,c);v(a,this,c);c.sort(h);return c};a.Ray.prototype.intersectObjects=function(a,b){for(var c=[],d=0,e=a.length;d<e;d++)v(a[d],this,c),!0===b&&u(a[d],this,c);c.sort(h);return c}})(THREE);
+THREE.Rectangle=function(){function a(){f=d-b;g=e-c}var b=0,c=0,d=0,e=0,f=0,g=0,h=!0;this.getX=function(){return b};this.getY=function(){return c};this.getWidth=function(){return f};this.getHeight=function(){return g};this.getLeft=function(){return b};this.getTop=function(){return c};this.getRight=function(){return d};this.getBottom=function(){return e};this.set=function(f,g,q,s){h=!1;b=f;c=g;d=q;e=s;a()};this.addPoint=function(f,g){!0===h?(h=!1,b=f,c=g,d=f,e=g):(b=b<f?b:f,c=c<g?c:g,d=d>f?d:f,e=e>
+g?e:g);a()};this.add3Points=function(f,g,q,s,t,v){!0===h?(h=!1,b=f<q?f<t?f:t:q<t?q:t,c=g<s?g<v?g:v:s<v?s:v,d=f>q?f>t?f:t:q>t?q:t,e=g>s?g>v?g:v:s>v?s:v):(b=f<q?f<t?f<b?f:b:t<b?t:b:q<t?q<b?q:b:t<b?t:b,c=g<s?g<v?g<c?g:c:v<c?v:c:s<v?s<c?s:c:v<c?v:c,d=f>q?f>t?f>d?f:d:t>d?t:d:q>t?q>d?q:d:t>d?t:d,e=g>s?g>v?g>e?g:e:v>e?v:e:s>v?s>e?s:e:v>e?v:e);a()};this.addRectangle=function(f){!0===h?(h=!1,b=f.getLeft(),c=f.getTop(),d=f.getRight(),e=f.getBottom()):(b=b<f.getLeft()?b:f.getLeft(),c=c<f.getTop()?c:f.getTop(),
+d=d>f.getRight()?d:f.getRight(),e=e>f.getBottom()?e:f.getBottom());a()};this.inflate=function(f){b-=f;c-=f;d+=f;e+=f;a()};this.minSelf=function(f){b=b>f.getLeft()?b:f.getLeft();c=c>f.getTop()?c:f.getTop();d=d<f.getRight()?d:f.getRight();e=e<f.getBottom()?e:f.getBottom();a()};this.intersects=function(a){return d<a.getLeft()||b>a.getRight()||e<a.getTop()||c>a.getBottom()?!1:!0};this.empty=function(){h=!0;e=d=c=b=0;a()};this.isEmpty=function(){return h}};
+THREE.Math={clamp:function(a,b,c){return a<b?b:a>c?c:a},clampBottom:function(a,b){return a<b?b:a},mapLinear:function(a,b,c,d,e){return d+(a-b)*(e-d)/(c-b)},random16:function(){return(65280*Math.random()+255*Math.random())/65535},randInt:function(a,b){return a+Math.floor(Math.random()*(b-a+1))},randFloat:function(a,b){return a+Math.random()*(b-a)},randFloatSpread:function(a){return a*(0.5-Math.random())},sign:function(a){return 0>a?-1:0<a?1:0}};
+THREE.Object3D=function(){THREE.Object3DLibrary.push(this);this.id=THREE.Object3DIdCount++;this.name="";this.properties={};this.parent=void 0;this.children=[];this.up=new THREE.Vector3(0,1,0);this.position=new THREE.Vector3;this.rotation=new THREE.Vector3;this.eulerOrder=THREE.Object3D.defaultEulerOrder;this.scale=new THREE.Vector3(1,1,1);this.renderDepth=null;this.rotationAutoUpdate=!0;this.matrix=new THREE.Matrix4;this.matrixWorld=new THREE.Matrix4;this.matrixRotationWorld=new THREE.Matrix4;this.matrixWorldNeedsUpdate=
+this.matrixAutoUpdate=!0;this.quaternion=new THREE.Quaternion;this.useQuaternion=!1;this.boundRadius=0;this.boundRadiusScale=1;this.visible=!0;this.receiveShadow=this.castShadow=!1;this.frustumCulled=!0;this._vector=new THREE.Vector3};
+THREE.Object3D.prototype={constructor:THREE.Object3D,applyMatrix:function(a){this.matrix.multiply(a,this.matrix);this.scale.getScaleFromMatrix(this.matrix);a=(new THREE.Matrix4).extractRotation(this.matrix);this.rotation.setEulerFromRotationMatrix(a,this.eulerOrder);this.position.getPositionFromMatrix(this.matrix)},translate:function(a,b){this.matrix.rotateAxis(b);this.position.addSelf(b.multiplyScalar(a))},translateX:function(a){this.translate(a,this._vector.set(1,0,0))},translateY:function(a){this.translate(a,
+this._vector.set(0,1,0))},translateZ:function(a){this.translate(a,this._vector.set(0,0,1))},localToWorld:function(a){return this.matrixWorld.multiplyVector3(a)},worldToLocal:function(a){return THREE.Object3D.__m1.getInverse(this.matrixWorld).multiplyVector3(a)},lookAt:function(a){this.matrix.lookAt(a,this.position,this.up);this.rotationAutoUpdate&&(!1===this.useQuaternion?this.rotation.setEulerFromRotationMatrix(this.matrix,this.eulerOrder):this.quaternion.copy(this.matrix.decompose()[1]))},add:function(a){if(a===
+this)console.warn("THREE.Object3D.add: An object can't be added as a child of itself.");else if(a instanceof THREE.Object3D){void 0!==a.parent&&a.parent.remove(a);a.parent=this;this.children.push(a);for(var b=this;void 0!==b.parent;)b=b.parent;void 0!==b&&b instanceof THREE.Scene&&b.__addObject(a)}},remove:function(a){var b=this.children.indexOf(a);if(-1!==b){a.parent=void 0;this.children.splice(b,1);for(b=this;void 0!==b.parent;)b=b.parent;void 0!==b&&b instanceof THREE.Scene&&b.__removeObject(a)}},
+traverse:function(a){a(this);for(var b=0,c=this.children.length;b<c;b++)this.children[b].traverse(a)},getChildByName:function(a,b){for(var c=0,d=this.children.length;c<d;c++){var e=this.children[c];if(e.name===a||!0===b&&(e=e.getChildByName(a,b),void 0!==e))return e}},getDescendants:function(a){void 0===a&&(a=[]);Array.prototype.push.apply(a,this.children);for(var b=0,c=this.children.length;b<c;b++)this.children[b].getDescendants(a);return a},updateMatrix:function(){this.matrix.setPosition(this.position);
+!1===this.useQuaternion?this.matrix.setRotationFromEuler(this.rotation,this.eulerOrder):this.matrix.setRotationFromQuaternion(this.quaternion);if(1!==this.scale.x||1!==this.scale.y||1!==this.scale.z)this.matrix.scale(this.scale),this.boundRadiusScale=Math.max(this.scale.x,Math.max(this.scale.y,this.scale.z));this.matrixWorldNeedsUpdate=!0},updateMatrixWorld:function(a){!0===this.matrixAutoUpdate&&this.updateMatrix();if(!0===this.matrixWorldNeedsUpdate||!0===a)void 0===this.parent?this.matrixWorld.copy(this.matrix):
+this.matrixWorld.multiply(this.parent.matrixWorld,this.matrix),this.matrixWorldNeedsUpdate=!1,a=!0;for(var b=0,c=this.children.length;b<c;b++)this.children[b].updateMatrixWorld(a)},clone:function(a){void 0===a&&(a=new THREE.Object3D);a.name=this.name;a.up.copy(this.up);a.position.copy(this.position);a.rotation instanceof THREE.Vector3&&a.rotation.copy(this.rotation);a.eulerOrder=this.eulerOrder;a.scale.copy(this.scale);a.renderDepth=this.renderDepth;a.rotationAutoUpdate=this.rotationAutoUpdate;a.matrix.copy(this.matrix);
+a.matrixWorld.copy(this.matrixWorld);a.matrixRotationWorld.copy(this.matrixRotationWorld);a.matrixAutoUpdate=this.matrixAutoUpdate;a.matrixWorldNeedsUpdate=this.matrixWorldNeedsUpdate;a.quaternion.copy(this.quaternion);a.useQuaternion=this.useQuaternion;a.boundRadius=this.boundRadius;a.boundRadiusScale=this.boundRadiusScale;a.visible=this.visible;a.castShadow=this.castShadow;a.receiveShadow=this.receiveShadow;a.frustumCulled=this.frustumCulled;for(var b=0;b<this.children.length;b++)a.add(this.children[b].clone());
+return a},deallocate:function(){var a=THREE.Object3DLibrary.indexOf(this);-1!==a&&THREE.Object3DLibrary.splice(a,1)}};THREE.Object3D.__m1=new THREE.Matrix4;THREE.Object3D.defaultEulerOrder="XYZ";THREE.Object3DIdCount=0;THREE.Object3DLibrary=[];
+THREE.Projector=function(){function a(){if(f===h){var a=new THREE.RenderableObject;g.push(a);h++;f++;return a}return g[f++]}function b(){if(k===s){var a=new THREE.RenderableVertex;q.push(a);s++;k++;return a}return q[k++]}function c(a,b){return b.z-a.z}function d(a,b){var c=0,d=1,e=a.z+a.w,f=b.z+b.w,g=-a.z+a.w,h=-b.z+b.w;if(0<=e&&0<=f&&0<=g&&0<=h)return!0;if(0>e&&0>f||0>g&&0>h)return!1;0>e?c=Math.max(c,e/(e-f)):0>f&&(d=Math.min(d,e/(e-f)));0>g?c=Math.max(c,g/(g-h)):0>h&&(d=Math.min(d,g/(g-h)));if(d<
+c)return!1;a.lerpSelf(b,c);b.lerpSelf(a,1-d);return!0}var e,f,g=[],h=0,l,k,q=[],s=0,t,v,u=[],w=0,x,y=[],A=0,C,B,z=[],D=0,I,J,F=[],K=0,L={objects:[],sprites:[],lights:[],elements:[]},H=new THREE.Vector3,T=new THREE.Vector4,R=new THREE.Matrix4,m=new THREE.Matrix4,O=new THREE.Matrix3,W=new THREE.Frustum,P=new THREE.Vector4,ha=new THREE.Vector4;this.projectVector=function(a,b){b.matrixWorldInverse.getInverse(b.matrixWorld);R.multiply(b.projectionMatrix,b.matrixWorldInverse);R.multiplyVector3(a);return a};
+this.unprojectVector=function(a,b){b.projectionMatrixInverse.getInverse(b.projectionMatrix);R.multiply(b.matrixWorld,b.projectionMatrixInverse);R.multiplyVector3(a);return a};this.pickingRay=function(a,b){var c;a.z=-1;c=new THREE.Vector3(a.x,a.y,1);this.unprojectVector(a,b);this.unprojectVector(c,b);c.subSelf(a).normalize();return new THREE.Ray(a,c)};var ca=function(b,d){f=0;L.objects.length=0;L.sprites.length=0;L.lights.length=0;var g=function(b){for(var c=0,d=b.children.length;c<d;c++){var f=b.children[c];
+if(!1!==f.visible){if(f instanceof THREE.Light)L.lights.push(f);else if(f instanceof THREE.Mesh||f instanceof THREE.Line){if(!1===f.frustumCulled||!0===W.contains(f))e=a(),e.object=f,null!==f.renderDepth?e.z=f.renderDepth:(H.copy(f.matrixWorld.getPosition()),R.multiplyVector3(H),e.z=H.z),L.objects.push(e)}else f instanceof THREE.Sprite||f instanceof THREE.Particle?(e=a(),e.object=f,null!==f.renderDepth?e.z=f.renderDepth:(H.copy(f.matrixWorld.getPosition()),R.multiplyVector3(H),e.z=H.z),L.sprites.push(e)):
+(e=a(),e.object=f,null!==f.renderDepth?e.z=f.renderDepth:(H.copy(f.matrixWorld.getPosition()),R.multiplyVector3(H),e.z=H.z),L.objects.push(e));g(f)}}};g(b);!0===d&&L.objects.sort(c);return L};this.projectScene=function(a,e,f,g){var h=e.near,s=e.far,H=!1,ia,ba,ga,ea,V,ka,ta,ma,pa,Ga,Aa,ua,ob,jb,eb;J=B=x=v=0;L.elements.length=0;a.updateMatrixWorld();void 0===e.parent&&e.updateMatrixWorld();e.matrixWorldInverse.getInverse(e.matrixWorld);R.multiply(e.projectionMatrix,e.matrixWorldInverse);W.setFromMatrix(R);
+L=ca(a,f);a=0;for(f=L.objects.length;a<f;a++)if(ma=L.objects[a].object,pa=ma.matrixWorld,k=0,ma instanceof THREE.Mesh){Ga=ma.geometry;ga=Ga.vertices;Aa=Ga.faces;Ga=Ga.faceVertexUvs;O.getInverse(pa);O.transpose();ob=ma.material instanceof THREE.MeshFaceMaterial;jb=!0===ob?ma.material:null;ia=0;for(ba=ga.length;ia<ba;ia++)l=b(),l.positionWorld.copy(ga[ia]),pa.multiplyVector3(l.positionWorld),l.positionScreen.copy(l.positionWorld),R.multiplyVector4(l.positionScreen),l.positionScreen.x/=l.positionScreen.w,
+l.positionScreen.y/=l.positionScreen.w,l.visible=l.positionScreen.z>h&&l.positionScreen.z<s;ga=0;for(ia=Aa.length;ga<ia;ga++)if(ba=Aa[ga],eb=!0===ob?jb.materials[ba.materialIndex]:ma.material,void 0!==eb){ka=eb.side;if(ba instanceof THREE.Face3)if(ea=q[ba.a],V=q[ba.b],ta=q[ba.c],!0===ea.visible&&!0===V.visible&&!0===ta.visible)if(H=0>(ta.positionScreen.x-ea.positionScreen.x)*(V.positionScreen.y-ea.positionScreen.y)-(ta.positionScreen.y-ea.positionScreen.y)*(V.positionScreen.x-ea.positionScreen.x),
+ka===THREE.DoubleSide||H===(ka===THREE.FrontSide))v===w?(ua=new THREE.RenderableFace3,u.push(ua),w++,v++,t=ua):t=u[v++],t.v1.copy(ea),t.v2.copy(V),t.v3.copy(ta);else continue;else continue;else if(ba instanceof THREE.Face4)if(ea=q[ba.a],V=q[ba.b],ta=q[ba.c],ua=q[ba.d],!0===ea.visible&&!0===V.visible&&!0===ta.visible&&!0===ua.visible)if(H=0>(ua.positionScreen.x-ea.positionScreen.x)*(V.positionScreen.y-ea.positionScreen.y)-(ua.positionScreen.y-ea.positionScreen.y)*(V.positionScreen.x-ea.positionScreen.x)||
+0>(V.positionScreen.x-ta.positionScreen.x)*(ua.positionScreen.y-ta.positionScreen.y)-(V.positionScreen.y-ta.positionScreen.y)*(ua.positionScreen.x-ta.positionScreen.x),ka===THREE.DoubleSide||H===(ka===THREE.FrontSide)){if(x===A){var kb=new THREE.RenderableFace4;y.push(kb);A++;x++;t=kb}else t=y[x++];t.v1.copy(ea);t.v2.copy(V);t.v3.copy(ta);t.v4.copy(ua)}else continue;else continue;t.normalWorld.copy(ba.normal);!1!==H||ka!==THREE.BackSide&&ka!==THREE.DoubleSide||t.normalWorld.negate();O.multiplyVector3(t.normalWorld).normalize();
+t.centroidWorld.copy(ba.centroid);pa.multiplyVector3(t.centroidWorld);t.centroidScreen.copy(t.centroidWorld);R.multiplyVector3(t.centroidScreen);ta=ba.vertexNormals;ea=0;for(V=ta.length;ea<V;ea++)ua=t.vertexNormalsWorld[ea],ua.copy(ta[ea]),!1!==H||ka!==THREE.BackSide&&ka!==THREE.DoubleSide||ua.negate(),O.multiplyVector3(ua).normalize();t.vertexNormalsLength=ta.length;ea=0;for(V=Ga.length;ea<V;ea++)if(ua=Ga[ea][ga],void 0!==ua)for(ka=0,ta=ua.length;ka<ta;ka++)t.uvs[ea][ka]=ua[ka];t.color=ba.color;
+t.material=eb;t.z=t.centroidScreen.z;L.elements.push(t)}}else if(ma instanceof THREE.Line)for(m.multiply(R,pa),ga=ma.geometry.vertices,ea=b(),ea.positionScreen.copy(ga[0]),m.multiplyVector4(ea.positionScreen),pa=ma.type===THREE.LinePieces?2:1,ia=1,ba=ga.length;ia<ba;ia++)ea=b(),ea.positionScreen.copy(ga[ia]),m.multiplyVector4(ea.positionScreen),0<(ia+1)%pa||(V=q[k-2],P.copy(ea.positionScreen),ha.copy(V.positionScreen),!0===d(P,ha)&&(P.multiplyScalar(1/P.w),ha.multiplyScalar(1/ha.w),B===D?(Aa=new THREE.RenderableLine,
+z.push(Aa),D++,B++,C=Aa):C=z[B++],C.v1.positionScreen.copy(P),C.v2.positionScreen.copy(ha),C.z=Math.max(P.z,ha.z),C.material=ma.material,L.elements.push(C)));a=0;for(f=L.sprites.length;a<f;a++)ma=L.sprites[a].object,pa=ma.matrixWorld,ma instanceof THREE.Particle&&(T.set(pa.elements[12],pa.elements[13],pa.elements[14],1),R.multiplyVector4(T),T.z/=T.w,0<T.z&&1>T.z&&(J===K?(h=new THREE.RenderableParticle,F.push(h),K++,J++,I=h):I=F[J++],I.object=ma,I.x=T.x/T.w,I.y=T.y/T.w,I.z=T.z,I.rotation=ma.rotation.z,
+I.scale.x=ma.scale.x*Math.abs(I.x-(T.x+e.projectionMatrix.elements[0])/(T.w+e.projectionMatrix.elements[12])),I.scale.y=ma.scale.y*Math.abs(I.y-(T.y+e.projectionMatrix.elements[5])/(T.w+e.projectionMatrix.elements[13])),I.material=ma.material,L.elements.push(I)));!0===g&&L.elements.sort(c);return L}};THREE.Quaternion=function(a,b,c,d){this.x=a||0;this.y=b||0;this.z=c||0;this.w=void 0!==d?d:1};
+THREE.Quaternion.prototype={constructor:THREE.Quaternion,set:function(a,b,c,d){this.x=a;this.y=b;this.z=c;this.w=d;return this},copy:function(a){this.x=a.x;this.y=a.y;this.z=a.z;this.w=a.w;return this},setFromEuler:function(a,b){var c=Math.cos(a.x/2),d=Math.cos(a.y/2),e=Math.cos(a.z/2),f=Math.sin(a.x/2),g=Math.sin(a.y/2),h=Math.sin(a.z/2);void 0===b||"XYZ"===b?(this.x=f*d*e+c*g*h,this.y=c*g*e-f*d*h,this.z=c*d*h+f*g*e,this.w=c*d*e-f*g*h):"YXZ"===b?(this.x=f*d*e+c*g*h,this.y=c*g*e-f*d*h,this.z=c*d*
+h-f*g*e,this.w=c*d*e+f*g*h):"ZXY"===b?(this.x=f*d*e-c*g*h,this.y=c*g*e+f*d*h,this.z=c*d*h+f*g*e,this.w=c*d*e-f*g*h):"ZYX"===b?(this.x=f*d*e-c*g*h,this.y=c*g*e+f*d*h,this.z=c*d*h-f*g*e,this.w=c*d*e+f*g*h):"YZX"===b?(this.x=f*d*e+c*g*h,this.y=c*g*e+f*d*h,this.z=c*d*h-f*g*e,this.w=c*d*e-f*g*h):"XZY"===b&&(this.x=f*d*e-c*g*h,this.y=c*g*e-f*d*h,this.z=c*d*h+f*g*e,this.w=c*d*e+f*g*h);return this},setFromAxisAngle:function(a,b){var c=b/2,d=Math.sin(c);this.x=a.x*d;this.y=a.y*d;this.z=a.z*d;this.w=Math.cos(c);
+return this},setFromRotationMatrix:function(a){var b=a.elements,c=b[0];a=b[4];var d=b[8],e=b[1],f=b[5],g=b[9],h=b[2],l=b[6],b=b[10],k=c+f+b;0<k?(c=0.5/Math.sqrt(k+1),this.w=0.25/c,this.x=(l-g)*c,this.y=(d-h)*c,this.z=(e-a)*c):c>f&&c>b?(c=2*Math.sqrt(1+c-f-b),this.w=(l-g)/c,this.x=0.25*c,this.y=(a+e)/c,this.z=(d+h)/c):f>b?(c=2*Math.sqrt(1+f-c-b),this.w=(d-h)/c,this.x=(a+e)/c,this.y=0.25*c,this.z=(g+l)/c):(c=2*Math.sqrt(1+b-c-f),this.w=(e-a)/c,this.x=(d+h)/c,this.y=(g+l)/c,this.z=0.25*c);return this},
+inverse:function(){this.conjugate().normalize();return this},conjugate:function(){this.x*=-1;this.y*=-1;this.z*=-1;return this},length:function(){return Math.sqrt(this.x*this.x+this.y*this.y+this.z*this.z+this.w*this.w)},normalize:function(){var a=Math.sqrt(this.x*this.x+this.y*this.y+this.z*this.z+this.w*this.w);0===a?(this.z=this.y=this.x=0,this.w=1):(a=1/a,this.x*=a,this.y*=a,this.z*=a,this.w*=a);return this},multiply:function(a,b){var c=a.x,d=a.y,e=a.z,f=a.w,g=b.x,h=b.y,l=b.z,k=b.w;this.x=c*k+
+d*l-e*h+f*g;this.y=-c*l+d*k+e*g+f*h;this.z=c*h-d*g+e*k+f*l;this.w=-c*g-d*h-e*l+f*k;return this},multiplySelf:function(a){var b=this.x,c=this.y,d=this.z,e=this.w,f=a.x,g=a.y,h=a.z;a=a.w;this.x=b*a+e*f+c*h-d*g;this.y=c*a+e*g+d*f-b*h;this.z=d*a+e*h+b*g-c*f;this.w=e*a-b*f-c*g-d*h;return this},multiplyVector3:function(a,b){b||(b=a);var c=a.x,d=a.y,e=a.z,f=this.x,g=this.y,h=this.z,l=this.w,k=l*c+g*e-h*d,q=l*d+h*c-f*e,s=l*e+f*d-g*c,c=-f*c-g*d-h*e;b.x=k*l+c*-f+q*-h-s*-g;b.y=q*l+c*-g+s*-f-k*-h;b.z=s*l+c*-h+
+k*-g-q*-f;return b},slerpSelf:function(a,b){var c=this.x,d=this.y,e=this.z,f=this.w,g=f*a.w+c*a.x+d*a.y+e*a.z;0>g?(this.w=-a.w,this.x=-a.x,this.y=-a.y,this.z=-a.z,g=-g):this.copy(a);if(1<=g)return this.w=f,this.x=c,this.y=d,this.z=e,this;var h=Math.acos(g),l=Math.sqrt(1-g*g);if(0.001>Math.abs(l))return this.w=0.5*(f+this.w),this.x=0.5*(c+this.x),this.y=0.5*(d+this.y),this.z=0.5*(e+this.z),this;g=Math.sin((1-b)*h)/l;h=Math.sin(b*h)/l;this.w=f*g+this.w*h;this.x=c*g+this.x*h;this.y=d*g+this.y*h;this.z=
+e*g+this.z*h;return this},clone:function(){return new THREE.Quaternion(this.x,this.y,this.z,this.w)}};
+THREE.Quaternion.slerp=function(a,b,c,d){var e=a.w*b.w+a.x*b.x+a.y*b.y+a.z*b.z;0>e?(c.w=-b.w,c.x=-b.x,c.y=-b.y,c.z=-b.z,e=-e):c.copy(b);if(1<=Math.abs(e))return c.w=a.w,c.x=a.x,c.y=a.y,c.z=a.z,c;b=Math.acos(e);var f=Math.sqrt(1-e*e);if(0.001>Math.abs(f))return c.w=0.5*(a.w+c.w),c.x=0.5*(a.x+c.x),c.y=0.5*(a.y+c.y),c.z=0.5*(a.z+c.z),c;e=Math.sin((1-d)*b)/f;d=Math.sin(d*b)/f;c.w=a.w*e+c.w*d;c.x=a.x*e+c.x*d;c.y=a.y*e+c.y*d;c.z=a.z*e+c.z*d;return c};
+THREE.Vertex=function(a){console.warn("THREE.Vertex has been DEPRECATED. Use THREE.Vector3 instead.");return a};THREE.Face3=function(a,b,c,d,e,f){this.a=a;this.b=b;this.c=c;this.normal=d instanceof THREE.Vector3?d:new THREE.Vector3;this.vertexNormals=d instanceof Array?d:[];this.color=e instanceof THREE.Color?e:new THREE.Color;this.vertexColors=e instanceof Array?e:[];this.vertexTangents=[];this.materialIndex=f;this.centroid=new THREE.Vector3};
+THREE.Face3.prototype={constructor:THREE.Face3,clone:function(){var a=new THREE.Face3(this.a,this.b,this.c);a.normal.copy(this.normal);a.color.copy(this.color);a.centroid.copy(this.centroid);a.materialIndex=this.materialIndex;var b,c;b=0;for(c=this.vertexNormals.length;b<c;b++)a.vertexNormals[b]=this.vertexNormals[b].clone();b=0;for(c=this.vertexColors.length;b<c;b++)a.vertexColors[b]=this.vertexColors[b].clone();b=0;for(c=this.vertexTangents.length;b<c;b++)a.vertexTangents[b]=this.vertexTangents[b].clone();
+return a}};THREE.Face4=function(a,b,c,d,e,f,g){this.a=a;this.b=b;this.c=c;this.d=d;this.normal=e instanceof THREE.Vector3?e:new THREE.Vector3;this.vertexNormals=e instanceof Array?e:[];this.color=f instanceof THREE.Color?f:new THREE.Color;this.vertexColors=f instanceof Array?f:[];this.vertexTangents=[];this.materialIndex=g;this.centroid=new THREE.Vector3};
+THREE.Face4.prototype={constructor:THREE.Face4,clone:function(){var a=new THREE.Face4(this.a,this.b,this.c,this.d);a.normal.copy(this.normal);a.color.copy(this.color);a.centroid.copy(this.centroid);a.materialIndex=this.materialIndex;var b,c;b=0;for(c=this.vertexNormals.length;b<c;b++)a.vertexNormals[b]=this.vertexNormals[b].clone();b=0;for(c=this.vertexColors.length;b<c;b++)a.vertexColors[b]=this.vertexColors[b].clone();b=0;for(c=this.vertexTangents.length;b<c;b++)a.vertexTangents[b]=this.vertexTangents[b].clone();
+return a}};THREE.UV=function(a,b){this.u=a||0;this.v=b||0};THREE.UV.prototype={constructor:THREE.UV,set:function(a,b){this.u=a;this.v=b;return this},copy:function(a){this.u=a.u;this.v=a.v;return this},lerpSelf:function(a,b){this.u+=(a.u-this.u)*b;this.v+=(a.v-this.v)*b;return this},clone:function(){return new THREE.UV(this.u,this.v)}};
+THREE.Geometry=function(){THREE.GeometryLibrary.push(this);this.id=THREE.GeometryIdCount++;this.name="";this.vertices=[];this.colors=[];this.normals=[];this.faces=[];this.faceUvs=[[]];this.faceVertexUvs=[[]];this.morphTargets=[];this.morphColors=[];this.morphNormals=[];this.skinWeights=[];this.skinIndices=[];this.lineDistances=[];this.boundingSphere=this.boundingBox=null;this.hasTangents=!1;this.dynamic=!0;this.buffersNeedUpdate=this.lineDistancesNeedUpdate=this.colorsNeedUpdate=this.tangentsNeedUpdate=
+this.normalsNeedUpdate=this.uvsNeedUpdate=this.elementsNeedUpdate=this.verticesNeedUpdate=!1};
+THREE.Geometry.prototype={constructor:THREE.Geometry,applyMatrix:function(a){var b=new THREE.Matrix3;b.getInverse(a).transpose();for(var c=0,d=this.vertices.length;c<d;c++)a.multiplyVector3(this.vertices[c]);c=0;for(d=this.faces.length;c<d;c++){var e=this.faces[c];b.multiplyVector3(e.normal).normalize();for(var f=0,g=e.vertexNormals.length;f<g;f++)b.multiplyVector3(e.vertexNormals[f]).normalize();a.multiplyVector3(e.centroid)}},computeCentroids:function(){var a,b,c;a=0;for(b=this.faces.length;a<b;a++)c=
+this.faces[a],c.centroid.set(0,0,0),c instanceof THREE.Face3?(c.centroid.addSelf(this.vertices[c.a]),c.centroid.addSelf(this.vertices[c.b]),c.centroid.addSelf(this.vertices[c.c]),c.centroid.divideScalar(3)):c instanceof THREE.Face4&&(c.centroid.addSelf(this.vertices[c.a]),c.centroid.addSelf(this.vertices[c.b]),c.centroid.addSelf(this.vertices[c.c]),c.centroid.addSelf(this.vertices[c.d]),c.centroid.divideScalar(4))},computeFaceNormals:function(){var a,b,c,d,e,f,g=new THREE.Vector3,h=new THREE.Vector3;
+a=0;for(b=this.faces.length;a<b;a++)c=this.faces[a],d=this.vertices[c.a],e=this.vertices[c.b],f=this.vertices[c.c],g.sub(f,e),h.sub(d,e),g.crossSelf(h),g.normalize(),c.normal.copy(g)},computeVertexNormals:function(a){var b,c,d,e;if(void 0===this.__tmpVertices){e=this.__tmpVertices=Array(this.vertices.length);b=0;for(c=this.vertices.length;b<c;b++)e[b]=new THREE.Vector3;b=0;for(c=this.faces.length;b<c;b++)d=this.faces[b],d instanceof THREE.Face3?d.vertexNormals=[new THREE.Vector3,new THREE.Vector3,
+new THREE.Vector3]:d instanceof THREE.Face4&&(d.vertexNormals=[new THREE.Vector3,new THREE.Vector3,new THREE.Vector3,new THREE.Vector3])}else for(e=this.__tmpVertices,b=0,c=this.vertices.length;b<c;b++)e[b].set(0,0,0);if(a){var f,g,h,l=new THREE.Vector3,k=new THREE.Vector3,q=new THREE.Vector3,s=new THREE.Vector3,t=new THREE.Vector3;b=0;for(c=this.faces.length;b<c;b++)d=this.faces[b],d instanceof THREE.Face3?(a=this.vertices[d.a],f=this.vertices[d.b],g=this.vertices[d.c],l.sub(g,f),k.sub(a,f),l.crossSelf(k),
+e[d.a].addSelf(l),e[d.b].addSelf(l),e[d.c].addSelf(l)):d instanceof THREE.Face4&&(a=this.vertices[d.a],f=this.vertices[d.b],g=this.vertices[d.c],h=this.vertices[d.d],q.sub(h,f),k.sub(a,f),q.crossSelf(k),e[d.a].addSelf(q),e[d.b].addSelf(q),e[d.d].addSelf(q),s.sub(h,g),t.sub(f,g),s.crossSelf(t),e[d.b].addSelf(s),e[d.c].addSelf(s),e[d.d].addSelf(s))}else for(b=0,c=this.faces.length;b<c;b++)d=this.faces[b],d instanceof THREE.Face3?(e[d.a].addSelf(d.normal),e[d.b].addSelf(d.normal),e[d.c].addSelf(d.normal)):
+d instanceof THREE.Face4&&(e[d.a].addSelf(d.normal),e[d.b].addSelf(d.normal),e[d.c].addSelf(d.normal),e[d.d].addSelf(d.normal));b=0;for(c=this.vertices.length;b<c;b++)e[b].normalize();b=0;for(c=this.faces.length;b<c;b++)d=this.faces[b],d instanceof THREE.Face3?(d.vertexNormals[0].copy(e[d.a]),d.vertexNormals[1].copy(e[d.b]),d.vertexNormals[2].copy(e[d.c])):d instanceof THREE.Face4&&(d.vertexNormals[0].copy(e[d.a]),d.vertexNormals[1].copy(e[d.b]),d.vertexNormals[2].copy(e[d.c]),d.vertexNormals[3].copy(e[d.d]))},
+computeMorphNormals:function(){var a,b,c,d,e;c=0;for(d=this.faces.length;c<d;c++)for(e=this.faces[c],e.__originalFaceNormal?e.__originalFaceNormal.copy(e.normal):e.__originalFaceNormal=e.normal.clone(),e.__originalVertexNormals||(e.__originalVertexNormals=[]),a=0,b=e.vertexNormals.length;a<b;a++)e.__originalVertexNormals[a]?e.__originalVertexNormals[a].copy(e.vertexNormals[a]):e.__originalVertexNormals[a]=e.vertexNormals[a].clone();var f=new THREE.Geometry;f.faces=this.faces;a=0;for(b=this.morphTargets.length;a<
+b;a++){if(!this.morphNormals[a]){this.morphNormals[a]={};this.morphNormals[a].faceNormals=[];this.morphNormals[a].vertexNormals=[];var g=this.morphNormals[a].faceNormals,h=this.morphNormals[a].vertexNormals,l,k;c=0;for(d=this.faces.length;c<d;c++)e=this.faces[c],l=new THREE.Vector3,k=e instanceof THREE.Face3?{a:new THREE.Vector3,b:new THREE.Vector3,c:new THREE.Vector3}:{a:new THREE.Vector3,b:new THREE.Vector3,c:new THREE.Vector3,d:new THREE.Vector3},g.push(l),h.push(k)}g=this.morphNormals[a];f.vertices=
+this.morphTargets[a].vertices;f.computeFaceNormals();f.computeVertexNormals();c=0;for(d=this.faces.length;c<d;c++)e=this.faces[c],l=g.faceNormals[c],k=g.vertexNormals[c],l.copy(e.normal),e instanceof THREE.Face3?(k.a.copy(e.vertexNormals[0]),k.b.copy(e.vertexNormals[1]),k.c.copy(e.vertexNormals[2])):(k.a.copy(e.vertexNormals[0]),k.b.copy(e.vertexNormals[1]),k.c.copy(e.vertexNormals[2]),k.d.copy(e.vertexNormals[3]))}c=0;for(d=this.faces.length;c<d;c++)e=this.faces[c],e.normal=e.__originalFaceNormal,
+e.vertexNormals=e.__originalVertexNormals},computeTangents:function(){function a(a,b,c,d,e,f,m){h=a.vertices[b];l=a.vertices[c];k=a.vertices[d];q=g[e];s=g[f];t=g[m];v=l.x-h.x;u=k.x-h.x;w=l.y-h.y;x=k.y-h.y;y=l.z-h.z;A=k.z-h.z;C=s.u-q.u;B=t.u-q.u;z=s.v-q.v;D=t.v-q.v;I=1/(C*D-B*z);L.set((D*v-z*u)*I,(D*w-z*x)*I,(D*y-z*A)*I);H.set((C*u-B*v)*I,(C*x-B*w)*I,(C*A-B*y)*I);F[b].addSelf(L);F[c].addSelf(L);F[d].addSelf(L);K[b].addSelf(H);K[c].addSelf(H);K[d].addSelf(H)}var b,c,d,e,f,g,h,l,k,q,s,t,v,u,w,x,y,A,
+C,B,z,D,I,J,F=[],K=[],L=new THREE.Vector3,H=new THREE.Vector3,T=new THREE.Vector3,R=new THREE.Vector3,m=new THREE.Vector3;b=0;for(c=this.vertices.length;b<c;b++)F[b]=new THREE.Vector3,K[b]=new THREE.Vector3;b=0;for(c=this.faces.length;b<c;b++)f=this.faces[b],g=this.faceVertexUvs[0][b],f instanceof THREE.Face3?a(this,f.a,f.b,f.c,0,1,2):f instanceof THREE.Face4&&(a(this,f.a,f.b,f.d,0,1,3),a(this,f.b,f.c,f.d,1,2,3));var O=["a","b","c","d"];b=0;for(c=this.faces.length;b<c;b++)for(f=this.faces[b],d=0;d<
+f.vertexNormals.length;d++)m.copy(f.vertexNormals[d]),e=f[O[d]],J=F[e],T.copy(J),T.subSelf(m.multiplyScalar(m.dot(J))).normalize(),R.cross(f.vertexNormals[d],J),e=R.dot(K[e]),e=0>e?-1:1,f.vertexTangents[d]=new THREE.Vector4(T.x,T.y,T.z,e);this.hasTangents=!0},computeLineDistances:function(){for(var a=0,b=this.vertices,c=0,d=b.length;c<d;c++)0<c&&(a+=b[c].distanceTo(b[c-1])),this.lineDistances[c]=a},computeBoundingBox:function(){this.boundingBox||(this.boundingBox={min:new THREE.Vector3,max:new THREE.Vector3});
+if(0<this.vertices.length){var a;a=this.vertices[0];this.boundingBox.min.copy(a);this.boundingBox.max.copy(a);for(var b=this.boundingBox.min,c=this.boundingBox.max,d=1,e=this.vertices.length;d<e;d++)a=this.vertices[d],a.x<b.x?b.x=a.x:a.x>c.x&&(c.x=a.x),a.y<b.y?b.y=a.y:a.y>c.y&&(c.y=a.y),a.z<b.z?b.z=a.z:a.z>c.z&&(c.z=a.z)}else this.boundingBox.min.set(0,0,0),this.boundingBox.max.set(0,0,0)},computeBoundingSphere:function(){var a=0;null===this.boundingSphere&&(this.boundingSphere={radius:0});for(var b=
+0,c=this.vertices.length;b<c;b++){var d=this.vertices[b].lengthSq();d>a&&(a=d)}this.boundingSphere.radius=Math.sqrt(a)},mergeVertices:function(){var a={},b=[],c=[],d,e=Math.pow(10,4),f,g,h,l;f=0;for(g=this.vertices.length;f<g;f++)d=this.vertices[f],d=[Math.round(d.x*e),Math.round(d.y*e),Math.round(d.z*e)].join("_"),void 0===a[d]?(a[d]=f,b.push(this.vertices[f]),c[f]=b.length-1):c[f]=c[a[d]];f=0;for(g=this.faces.length;f<g;f++)if(a=this.faces[f],a instanceof THREE.Face3)a.a=c[a.a],a.b=c[a.b],a.c=c[a.c];
+else if(a instanceof THREE.Face4)for(a.a=c[a.a],a.b=c[a.b],a.c=c[a.c],a.d=c[a.d],d=[a.a,a.b,a.c,a.d],e=3;0<e;e--)if(d.indexOf(a["abcd"[e]])!==e){d.splice(e,1);this.faces[f]=new THREE.Face3(d[0],d[1],d[2],a.normal,a.color,a.materialIndex);d=0;for(h=this.faceVertexUvs.length;d<h;d++)(l=this.faceVertexUvs[d][f])&&l.splice(e,1);this.faces[f].vertexColors=a.vertexColors;break}c=this.vertices.length-b.length;this.vertices=b;return c},clone:function(){for(var a=new THREE.Geometry,b=this.vertices,c=0,d=b.length;c<
+d;c++)a.vertices.push(b[c].clone());b=this.faces;c=0;for(d=b.length;c<d;c++)a.faces.push(b[c].clone());b=this.faceVertexUvs[0];c=0;for(d=b.length;c<d;c++){for(var e=b[c],f=[],g=0,h=e.length;g<h;g++)f.push(new THREE.UV(e[g].u,e[g].v));a.faceVertexUvs[0].push(f)}return a},deallocate:function(){var a=THREE.GeometryLibrary.indexOf(this);-1!==a&&THREE.GeometryLibrary.splice(a,1)}};THREE.GeometryIdCount=0;THREE.GeometryLibrary=[];
+THREE.BufferGeometry=function(){THREE.GeometryLibrary.push(this);this.id=THREE.GeometryIdCount++;this.attributes={};this.dynamic=!1;this.boundingSphere=this.boundingBox=null;this.hasTangents=!1;this.morphTargets=[]};
+THREE.BufferGeometry.prototype={constructor:THREE.BufferGeometry,applyMatrix:function(a){var b,c;this.attributes.position&&(b=this.attributes.position.array);this.attributes.normal&&(c=this.attributes.normal.array);void 0!==b&&(a.multiplyVector3Array(b),this.verticesNeedUpdate=!0);void 0!==c&&(b=new THREE.Matrix3,b.getInverse(a).transpose(),b.multiplyVector3Array(c),this.normalizeNormals(),this.normalsNeedUpdate=!0)},computeBoundingBox:function(){this.boundingBox||(this.boundingBox={min:new THREE.Vector3(Infinity,
+Infinity,Infinity),max:new THREE.Vector3(-Infinity,-Infinity,-Infinity)});var a=this.attributes.position.array;if(a)for(var b=this.boundingBox,c,d,e,f=0,g=a.length;f<g;f+=3)c=a[f],d=a[f+1],e=a[f+2],c<b.min.x?b.min.x=c:c>b.max.x&&(b.max.x=c),d<b.min.y?b.min.y=d:d>b.max.y&&(b.max.y=d),e<b.min.z?b.min.z=e:e>b.max.z&&(b.max.z=e);if(void 0===a||0===a.length)this.boundingBox.min.set(0,0,0),this.boundingBox.max.set(0,0,0)},computeBoundingSphere:function(){this.boundingSphere||(this.boundingSphere={radius:0});
+var a=this.attributes.position.array;if(a){for(var b,c=0,d,e,f=0,g=a.length;f<g;f+=3)b=a[f],d=a[f+1],e=a[f+2],b=b*b+d*d+e*e,b>c&&(c=b);this.boundingSphere.radius=Math.sqrt(c)}},computeVertexNormals:function(){if(this.attributes.position&&this.attributes.index){var a,b,c,d;a=this.attributes.position.array.length;if(void 0===this.attributes.normal)this.attributes.normal={itemSize:3,array:new Float32Array(a),numItems:a};else for(a=0,b=this.attributes.normal.array.length;a<b;a++)this.attributes.normal.array[a]=
+0;var e=this.offsets,f=this.attributes.index.array,g=this.attributes.position.array,h=this.attributes.normal.array,l,k,q,s,t,v,u=new THREE.Vector3,w=new THREE.Vector3,x=new THREE.Vector3,y=new THREE.Vector3,A=new THREE.Vector3;c=0;for(d=e.length;c<d;++c){b=e[c].start;l=e[c].count;var C=e[c].index;a=b;for(b+=l;a<b;a+=3)l=C+f[a],k=C+f[a+1],q=C+f[a+2],s=g[3*l],t=g[3*l+1],v=g[3*l+2],u.set(s,t,v),s=g[3*k],t=g[3*k+1],v=g[3*k+2],w.set(s,t,v),s=g[3*q],t=g[3*q+1],v=g[3*q+2],x.set(s,t,v),y.sub(x,w),A.sub(u,
+w),y.crossSelf(A),h[3*l]+=y.x,h[3*l+1]+=y.y,h[3*l+2]+=y.z,h[3*k]+=y.x,h[3*k+1]+=y.y,h[3*k+2]+=y.z,h[3*q]+=y.x,h[3*q+1]+=y.y,h[3*q+2]+=y.z}this.normalizeNormals();this.normalsNeedUpdate=!0}},normalizeNormals:function(){for(var a=this.attributes.normal.array,b,c,d,e=0,f=a.length;e<f;e+=3)b=a[e],c=a[e+1],d=a[e+2],b=1/Math.sqrt(b*b+c*c+d*d),a[e]*=b,a[e+1]*=b,a[e+2]*=b},computeTangents:function(){function a(a,b,c){s=d[3*a];t=d[3*a+1];v=d[3*a+2];u=d[3*b];w=d[3*b+1];x=d[3*b+2];y=d[3*c];A=d[3*c+1];C=d[3*
+c+2];B=f[2*a];z=f[2*a+1];D=f[2*b];I=f[2*b+1];J=f[2*c];F=f[2*c+1];K=u-s;L=y-s;H=w-t;T=A-t;R=x-v;m=C-v;O=D-B;W=J-B;P=I-z;ha=F-z;ca=1/(O*ha-W*P);oa.set((ha*K-P*L)*ca,(ha*H-P*T)*ca,(ha*R-P*m)*ca);S.set((O*L-W*K)*ca,(O*T-W*H)*ca,(O*m-W*R)*ca);k[a].addSelf(oa);k[b].addSelf(oa);k[c].addSelf(oa);q[a].addSelf(S);q[b].addSelf(S);q[c].addSelf(S)}function b(a){V.x=e[3*a];V.y=e[3*a+1];V.z=e[3*a+2];ka.copy(V);ma=k[a];ga.copy(ma);ga.subSelf(V.multiplyScalar(V.dot(ma))).normalize();ea.cross(ka,ma);pa=ea.dot(q[a]);
+ta=0>pa?-1:1;l[4*a]=ga.x;l[4*a+1]=ga.y;l[4*a+2]=ga.z;l[4*a+3]=ta}if(void 0===this.attributes.index||void 0===this.attributes.position||void 0===this.attributes.normal||void 0===this.attributes.uv)console.warn("Missing required attributes (index, position, normal or uv) in BufferGeometry.computeTangents()");else{var c=this.attributes.index.array,d=this.attributes.position.array,e=this.attributes.normal.array,f=this.attributes.uv.array,g=d.length/3;if(void 0===this.attributes.tangent){var h=4*g;this.attributes.tangent=
+{itemSize:4,array:new Float32Array(h),numItems:h}}for(var l=this.attributes.tangent.array,k=[],q=[],h=0;h<g;h++)k[h]=new THREE.Vector3,q[h]=new THREE.Vector3;var s,t,v,u,w,x,y,A,C,B,z,D,I,J,F,K,L,H,T,R,m,O,W,P,ha,ca,oa=new THREE.Vector3,S=new THREE.Vector3,Da,N,da,Q,U,ia=this.offsets,h=0;for(N=ia.length;h<N;++h){Da=ia[h].start;da=ia[h].count;var ba=ia[h].index,g=Da;for(Da+=da;g<Da;g+=3)da=ba+c[g],Q=ba+c[g+1],U=ba+c[g+2],a(da,Q,U)}var ga=new THREE.Vector3,ea=new THREE.Vector3,V=new THREE.Vector3,ka=
+new THREE.Vector3,ta,ma,pa,h=0;for(N=ia.length;h<N;++h)for(Da=ia[h].start,da=ia[h].count,ba=ia[h].index,g=Da,Da+=da;g<Da;g+=3)da=ba+c[g],Q=ba+c[g+1],U=ba+c[g+2],b(da),b(Q),b(U);this.tangentsNeedUpdate=this.hasTangents=!0}},deallocate:function(){var a=THREE.GeometryLibrary.indexOf(this);-1!==a&&THREE.GeometryLibrary.splice(a,1)}};
+THREE.Spline=function(a){function b(a,b,c,d,e,f,g){a=0.5*(c-a);d=0.5*(d-b);return(2*(b-c)+a+d)*g+(-3*(b-c)-2*a-d)*f+a*e+b}this.points=a;var c=[],d={x:0,y:0,z:0},e,f,g,h,l,k,q,s,t;this.initFromArray=function(a){this.points=[];for(var b=0;b<a.length;b++)this.points[b]={x:a[b][0],y:a[b][1],z:a[b][2]}};this.getPoint=function(a){e=(this.points.length-1)*a;f=Math.floor(e);g=e-f;c[0]=0===f?f:f-1;c[1]=f;c[2]=f>this.points.length-2?this.points.length-1:f+1;c[3]=f>this.points.length-3?this.points.length-1:
+f+2;k=this.points[c[0]];q=this.points[c[1]];s=this.points[c[2]];t=this.points[c[3]];h=g*g;l=g*h;d.x=b(k.x,q.x,s.x,t.x,g,h,l);d.y=b(k.y,q.y,s.y,t.y,g,h,l);d.z=b(k.z,q.z,s.z,t.z,g,h,l);return d};this.getControlPointsArray=function(){var a,b,c=this.points.length,d=[];for(a=0;a<c;a++)b=this.points[a],d[a]=[b.x,b.y,b.z];return d};this.getLength=function(a){var b,c,d,e=b=b=0,f=new THREE.Vector3,g=new THREE.Vector3,h=[],l=0;h[0]=0;a||(a=100);c=this.points.length*a;f.copy(this.points[0]);for(a=1;a<c;a++)b=
+a/c,d=this.getPoint(b),g.copy(d),l+=g.distanceTo(f),f.copy(d),b*=this.points.length-1,b=Math.floor(b),b!=e&&(h[b]=l,e=b);h[h.length]=l;return{chunks:h,total:l}};this.reparametrizeByArcLength=function(a){var b,c,d,e,f,g,h=[],l=new THREE.Vector3,k=this.getLength();h.push(l.copy(this.points[0]).clone());for(b=1;b<this.points.length;b++){c=k.chunks[b]-k.chunks[b-1];g=Math.ceil(a*c/k.total);e=(b-1)/(this.points.length-1);f=b/(this.points.length-1);for(c=1;c<g-1;c++)d=e+1/g*c*(f-e),d=this.getPoint(d),h.push(l.copy(d).clone());
+h.push(l.copy(this.points[b]).clone())}this.points=h}};THREE.Camera=function(){THREE.Object3D.call(this);this.matrixWorldInverse=new THREE.Matrix4;this.projectionMatrix=new THREE.Matrix4;this.projectionMatrixInverse=new THREE.Matrix4};THREE.Camera.prototype=Object.create(THREE.Object3D.prototype);
+THREE.Camera.prototype.lookAt=function(a){this.matrix.lookAt(this.position,a,this.up);!0===this.rotationAutoUpdate&&(!1===this.useQuaternion?this.rotation.setEulerFromRotationMatrix(this.matrix,this.eulerOrder):this.quaternion.copy(this.matrix.decompose()[1]))};THREE.OrthographicCamera=function(a,b,c,d,e,f){THREE.Camera.call(this);this.left=a;this.right=b;this.top=c;this.bottom=d;this.near=void 0!==e?e:0.1;this.far=void 0!==f?f:2E3;this.updateProjectionMatrix()};
+THREE.OrthographicCamera.prototype=Object.create(THREE.Camera.prototype);THREE.OrthographicCamera.prototype.updateProjectionMatrix=function(){this.projectionMatrix.makeOrthographic(this.left,this.right,this.top,this.bottom,this.near,this.far)};THREE.PerspectiveCamera=function(a,b,c,d){THREE.Camera.call(this);this.fov=void 0!==a?a:50;this.aspect=void 0!==b?b:1;this.near=void 0!==c?c:0.1;this.far=void 0!==d?d:2E3;this.updateProjectionMatrix()};THREE.PerspectiveCamera.prototype=Object.create(THREE.Camera.prototype);
+THREE.PerspectiveCamera.prototype.setLens=function(a,b){void 0===b&&(b=24);this.fov=2*Math.atan(b/(2*a))*(180/Math.PI);this.updateProjectionMatrix()};THREE.PerspectiveCamera.prototype.setViewOffset=function(a,b,c,d,e,f){this.fullWidth=a;this.fullHeight=b;this.x=c;this.y=d;this.width=e;this.height=f;this.updateProjectionMatrix()};
+THREE.PerspectiveCamera.prototype.updateProjectionMatrix=function(){if(this.fullWidth){var a=this.fullWidth/this.fullHeight,b=Math.tan(this.fov*Math.PI/360)*this.near,c=-b,d=a*c,a=Math.abs(a*b-d),c=Math.abs(b-c);this.projectionMatrix.makeFrustum(d+this.x*a/this.fullWidth,d+(this.x+this.width)*a/this.fullWidth,b-(this.y+this.height)*c/this.fullHeight,b-this.y*c/this.fullHeight,this.near,this.far)}else this.projectionMatrix.makePerspective(this.fov,this.aspect,this.near,this.far)};
+THREE.Light=function(a){THREE.Object3D.call(this);this.color=new THREE.Color(a)};THREE.Light.prototype=Object.create(THREE.Object3D.prototype);THREE.AmbientLight=function(a){THREE.Light.call(this,a)};THREE.AmbientLight.prototype=Object.create(THREE.Light.prototype);
+THREE.DirectionalLight=function(a,b){THREE.Light.call(this,a);this.position=new THREE.Vector3(0,1,0);this.target=new THREE.Object3D;this.intensity=void 0!==b?b:1;this.onlyShadow=this.castShadow=!1;this.shadowCameraNear=50;this.shadowCameraFar=5E3;this.shadowCameraLeft=-500;this.shadowCameraTop=this.shadowCameraRight=500;this.shadowCameraBottom=-500;this.shadowCameraVisible=!1;this.shadowBias=0;this.shadowDarkness=0.5;this.shadowMapHeight=this.shadowMapWidth=512;this.shadowCascade=!1;this.shadowCascadeOffset=
+new THREE.Vector3(0,0,-1E3);this.shadowCascadeCount=2;this.shadowCascadeBias=[0,0,0];this.shadowCascadeWidth=[512,512,512];this.shadowCascadeHeight=[512,512,512];this.shadowCascadeNearZ=[-1,0.99,0.998];this.shadowCascadeFarZ=[0.99,0.998,1];this.shadowCascadeArray=[];this.shadowMatrix=this.shadowCamera=this.shadowMapSize=this.shadowMap=null};THREE.DirectionalLight.prototype=Object.create(THREE.Light.prototype);
+THREE.HemisphereLight=function(a,b,c){THREE.Light.call(this,a);this.groundColor=new THREE.Color(b);this.position=new THREE.Vector3(0,100,0);this.intensity=void 0!==c?c:1};THREE.HemisphereLight.prototype=Object.create(THREE.Light.prototype);THREE.PointLight=function(a,b,c){THREE.Light.call(this,a);this.position=new THREE.Vector3(0,0,0);this.intensity=void 0!==b?b:1;this.distance=void 0!==c?c:0};THREE.PointLight.prototype=Object.create(THREE.Light.prototype);
+THREE.SpotLight=function(a,b,c,d,e){THREE.Light.call(this,a);this.position=new THREE.Vector3(0,1,0);this.target=new THREE.Object3D;this.intensity=void 0!==b?b:1;this.distance=void 0!==c?c:0;this.angle=void 0!==d?d:Math.PI/2;this.exponent=void 0!==e?e:10;this.onlyShadow=this.castShadow=!1;this.shadowCameraNear=50;this.shadowCameraFar=5E3;this.shadowCameraFov=50;this.shadowCameraVisible=!1;this.shadowBias=0;this.shadowDarkness=0.5;this.shadowMapHeight=this.shadowMapWidth=512;this.shadowMatrix=this.shadowCamera=
+this.shadowMapSize=this.shadowMap=null};THREE.SpotLight.prototype=Object.create(THREE.Light.prototype);THREE.Loader=function(a){this.statusDomElement=(this.showStatus=a)?THREE.Loader.prototype.addStatusElement():null;this.onLoadStart=function(){};this.onLoadProgress=function(){};this.onLoadComplete=function(){}};
+THREE.Loader.prototype={constructor:THREE.Loader,crossOrigin:"anonymous",addStatusElement:function(){var a=document.createElement("div");a.style.position="absolute";a.style.right="0px";a.style.top="0px";a.style.fontSize="0.8em";a.style.textAlign="left";a.style.background="rgba(0,0,0,0.25)";a.style.color="#fff";a.style.width="120px";a.style.padding="0.5em 0.5em 0.5em 0.5em";a.style.zIndex=1E3;a.innerHTML="Loading ...";return a},updateProgress:function(a){var b="Loaded ",b=a.total?b+((100*a.loaded/
+a.total).toFixed(0)+"%"):b+((a.loaded/1E3).toFixed(2)+" KB");this.statusDomElement.innerHTML=b},extractUrlBase:function(a){a=a.split("/");a.pop();return(1>a.length?".":a.join("/"))+"/"},initMaterials:function(a,b){for(var c=[],d=0;d<a.length;++d)c[d]=THREE.Loader.prototype.createMaterial(a[d],b);return c},needsTangents:function(a){for(var b=0,c=a.length;b<c;b++)if(a[b]instanceof THREE.ShaderMaterial)return!0;return!1},createMaterial:function(a,b){function c(a){a=Math.log(a)/Math.LN2;return Math.floor(a)==
+a}function d(a){a=Math.log(a)/Math.LN2;return Math.pow(2,Math.round(a))}function e(a,b){var e=new Image;e.onload=function(){if(c(this.width)&&c(this.height))a.image=this;else{var b=d(this.width),e=d(this.height);a.image.width=b;a.image.height=e;a.image.getContext("2d").drawImage(this,0,0,b,e)}a.needsUpdate=!0};e.crossOrigin=h.crossOrigin;e.src=b}function f(a,c,d,f,g,h,l){var k=d.toLowerCase().endsWith(".dds"),q=b+"/"+d;if(k){var B=THREE.ImageUtils.loadCompressedTexture(q);a[c]=B}else B=document.createElement("canvas"),
+a[c]=new THREE.Texture(B);a[c].sourceFile=d;f&&(a[c].repeat.set(f[0],f[1]),1!==f[0]&&(a[c].wrapS=THREE.RepeatWrapping),1!==f[1]&&(a[c].wrapT=THREE.RepeatWrapping));g&&a[c].offset.set(g[0],g[1]);h&&(d={repeat:THREE.RepeatWrapping,mirror:THREE.MirroredRepeatWrapping},void 0!==d[h[0]]&&(a[c].wrapS=d[h[0]]),void 0!==d[h[1]]&&(a[c].wrapT=d[h[1]]));l&&(a[c].anisotropy=l);k||e(a[c],q)}function g(a){return(255*a[0]<<16)+(255*a[1]<<8)+255*a[2]}var h=this,l="MeshLambertMaterial",k={color:15658734,opacity:1,
+map:null,lightMap:null,normalMap:null,bumpMap:null,wireframe:!1};if(a.shading){var q=a.shading.toLowerCase();"phong"===q?l="MeshPhongMaterial":"basic"===q&&(l="MeshBasicMaterial")}void 0!==a.blending&&void 0!==THREE[a.blending]&&(k.blending=THREE[a.blending]);if(void 0!==a.transparent||1>a.opacity)k.transparent=a.transparent;void 0!==a.depthTest&&(k.depthTest=a.depthTest);void 0!==a.depthWrite&&(k.depthWrite=a.depthWrite);void 0!==a.visible&&(k.visible=a.visible);void 0!==a.flipSided&&(k.side=THREE.BackSide);
+void 0!==a.doubleSided&&(k.side=THREE.DoubleSide);void 0!==a.wireframe&&(k.wireframe=a.wireframe);void 0!==a.vertexColors&&("face"===a.vertexColors?k.vertexColors=THREE.FaceColors:a.vertexColors&&(k.vertexColors=THREE.VertexColors));a.colorDiffuse?k.color=g(a.colorDiffuse):a.DbgColor&&(k.color=a.DbgColor);a.colorSpecular&&(k.specular=g(a.colorSpecular));a.colorAmbient&&(k.ambient=g(a.colorAmbient));a.transparency&&(k.opacity=a.transparency);a.specularCoef&&(k.shininess=a.specularCoef);a.mapDiffuse&&
+b&&f(k,"map",a.mapDiffuse,a.mapDiffuseRepeat,a.mapDiffuseOffset,a.mapDiffuseWrap,a.mapDiffuseAnisotropy);a.mapLight&&b&&f(k,"lightMap",a.mapLight,a.mapLightRepeat,a.mapLightOffset,a.mapLightWrap,a.mapLightAnisotropy);a.mapBump&&b&&f(k,"bumpMap",a.mapBump,a.mapBumpRepeat,a.mapBumpOffset,a.mapBumpWrap,a.mapBumpAnisotropy);a.mapNormal&&b&&f(k,"normalMap",a.mapNormal,a.mapNormalRepeat,a.mapNormalOffset,a.mapNormalWrap,a.mapNormalAnisotropy);a.mapSpecular&&b&&f(k,"specularMap",a.mapSpecular,a.mapSpecularRepeat,
+a.mapSpecularOffset,a.mapSpecularWrap,a.mapSpecularAnisotropy);a.mapBumpScale&&(k.bumpScale=a.mapBumpScale);a.mapNormal?(l=THREE.ShaderUtils.lib.normal,q=THREE.UniformsUtils.clone(l.uniforms),q.tNormal.value=k.normalMap,a.mapNormalFactor&&q.uNormalScale.value.set(a.mapNormalFactor,a.mapNormalFactor),k.map&&(q.tDiffuse.value=k.map,q.enableDiffuse.value=!0),k.specularMap&&(q.tSpecular.value=k.specularMap,q.enableSpecular.value=!0),k.lightMap&&(q.tAO.value=k.lightMap,q.enableAO.value=!0),q.uDiffuseColor.value.setHex(k.color),
+q.uSpecularColor.value.setHex(k.specular),q.uAmbientColor.value.setHex(k.ambient),q.uShininess.value=k.shininess,void 0!==k.opacity&&(q.uOpacity.value=k.opacity),k=new THREE.ShaderMaterial({fragmentShader:l.fragmentShader,vertexShader:l.vertexShader,uniforms:q,lights:!0,fog:!0})):k=new THREE[l](k);void 0!==a.DbgName&&(k.name=a.DbgName);return k}};THREE.BinaryLoader=function(a){THREE.Loader.call(this,a)};THREE.BinaryLoader.prototype=Object.create(THREE.Loader.prototype);
+THREE.BinaryLoader.prototype.load=function(a,b,c,d){c=c&&"string"===typeof c?c:this.extractUrlBase(a);d=d&&"string"===typeof d?d:this.extractUrlBase(a);var e=this.showProgress?THREE.Loader.prototype.updateProgress:null;this.onLoadStart();this.loadAjaxJSON(this,a,b,c,d,e)};
+THREE.BinaryLoader.prototype.loadAjaxJSON=function(a,b,c,d,e,f){var g=new XMLHttpRequest;g.onreadystatechange=function(){if(4==g.readyState)if(200==g.status||0==g.status){var h=JSON.parse(g.responseText);a.loadAjaxBuffers(h,c,e,d,f)}else console.error("THREE.BinaryLoader: Couldn't load ["+b+"] ["+g.status+"]")};g.open("GET",b,!0);g.send(null)};
+THREE.BinaryLoader.prototype.loadAjaxBuffers=function(a,b,c,d,e){var f=new XMLHttpRequest,g=c+"/"+a.buffers,h=0;f.onreadystatechange=function(){if(4==f.readyState)if(200==f.status||0==f.status){var c=f.response;void 0===c&&(c=(new Uint8Array(f.responseBody)).buffer);THREE.BinaryLoader.prototype.createBinModel(c,b,d,a.materials)}else console.error("THREE.BinaryLoader: Couldn't load ["+g+"] ["+f.status+"]");else 3==f.readyState?e&&(0==h&&(h=f.getResponseHeader("Content-Length")),e({total:h,loaded:f.responseText.length})):
+2==f.readyState&&(h=f.getResponseHeader("Content-Length"))};f.open("GET",g,!0);f.responseType="arraybuffer";f.send(null)};
+THREE.BinaryLoader.prototype.createBinModel=function(a,b,c,d){var e=function(b){function c(a){return a%4?4-a%4:0}function d(a,b){return(new Uint8Array(a,b,1))[0]}function e(a,b){return(new Uint32Array(a,b,1))[0]}function k(b,c){var d,e,f,g,h,l,k,q=new Uint32Array(a,c,3*b);for(d=0;d<b;d++)e=q[3*d],f=q[3*d+1],g=q[3*d+2],h=A[2*e],e=A[2*e+1],l=A[2*f],k=A[2*f+1],f=A[2*g],g=A[2*g+1],w.faceVertexUvs[0].push([new THREE.UV(h,e),new THREE.UV(l,k),new THREE.UV(f,g)])}function q(b,c){var d,e,f,g,h,l,k,q,s,t=
+new Uint32Array(a,c,4*b);for(d=0;d<b;d++)e=t[4*d],f=t[4*d+1],g=t[4*d+2],h=t[4*d+3],l=A[2*e],e=A[2*e+1],k=A[2*f],q=A[2*f+1],f=A[2*g],s=A[2*g+1],g=A[2*h],h=A[2*h+1],w.faceVertexUvs[0].push([new THREE.UV(l,e),new THREE.UV(k,q),new THREE.UV(f,s),new THREE.UV(g,h)])}function s(b,c,d){var e,f,g,h;c=new Uint32Array(a,c,3*b);var l=new Uint16Array(a,d,b);for(d=0;d<b;d++)e=c[3*d],f=c[3*d+1],g=c[3*d+2],h=l[d],w.faces.push(new THREE.Face3(e,f,g,null,null,h))}function t(b,c,d){var e,f,g,h,l;c=new Uint32Array(a,
+c,4*b);var k=new Uint16Array(a,d,b);for(d=0;d<b;d++)e=c[4*d],f=c[4*d+1],g=c[4*d+2],h=c[4*d+3],l=k[d],w.faces.push(new THREE.Face4(e,f,g,h,null,null,l))}function v(b,c,d,e){var f,g,h,l,k,q,s;c=new Uint32Array(a,c,3*b);d=new Uint32Array(a,d,3*b);var t=new Uint16Array(a,e,b);for(e=0;e<b;e++){f=c[3*e];g=c[3*e+1];h=c[3*e+2];k=d[3*e];q=d[3*e+1];s=d[3*e+2];l=t[e];var v=y[3*q],u=y[3*q+1];q=y[3*q+2];var x=y[3*s],z=y[3*s+1];s=y[3*s+2];w.faces.push(new THREE.Face3(f,g,h,[new THREE.Vector3(y[3*k],y[3*k+1],y[3*
+k+2]),new THREE.Vector3(v,u,q),new THREE.Vector3(x,z,s)],null,l))}}function u(b,c,d,e){var f,g,h,l,k,q,s,t,v;c=new Uint32Array(a,c,4*b);d=new Uint32Array(a,d,4*b);var u=new Uint16Array(a,e,b);for(e=0;e<b;e++){f=c[4*e];g=c[4*e+1];h=c[4*e+2];l=c[4*e+3];q=d[4*e];s=d[4*e+1];t=d[4*e+2];v=d[4*e+3];k=u[e];var x=y[3*s],z=y[3*s+1];s=y[3*s+2];var A=y[3*t],C=y[3*t+1];t=y[3*t+2];var B=y[3*v],D=y[3*v+1];v=y[3*v+2];w.faces.push(new THREE.Face4(f,g,h,l,[new THREE.Vector3(y[3*q],y[3*q+1],y[3*q+2]),new THREE.Vector3(x,
+z,s),new THREE.Vector3(A,C,t),new THREE.Vector3(B,D,v)],null,k))}}var w=this;b=0;var x,y=[],A=[],C,B,z,D,I,J,F;THREE.Geometry.call(this);x=function(a,b){for(var c=new Uint8Array(a,b,12),f="",g=0;12>g;g++)f+=String.fromCharCode(c[b+g]);return{signature:f,header_bytes:d(a,b+12),vertex_coordinate_bytes:d(a,b+13),normal_coordinate_bytes:d(a,b+14),uv_coordinate_bytes:d(a,b+15),vertex_index_bytes:d(a,b+16),normal_index_bytes:d(a,b+17),uv_index_bytes:d(a,b+18),material_index_bytes:d(a,b+19),nvertices:e(a,
+b+20),nnormals:e(a,b+20+4),nuvs:e(a,b+20+8),ntri_flat:e(a,b+20+12),ntri_smooth:e(a,b+20+16),ntri_flat_uv:e(a,b+20+20),ntri_smooth_uv:e(a,b+20+24),nquad_flat:e(a,b+20+28),nquad_smooth:e(a,b+20+32),nquad_flat_uv:e(a,b+20+36),nquad_smooth_uv:e(a,b+20+40)}}(a,b);b+=x.header_bytes;J=3*x.vertex_index_bytes+x.material_index_bytes;F=4*x.vertex_index_bytes+x.material_index_bytes;C=x.ntri_flat*J;B=x.ntri_smooth*(J+3*x.normal_index_bytes);z=x.ntri_flat_uv*(J+3*x.uv_index_bytes);D=x.ntri_smooth_uv*(J+3*x.normal_index_bytes+
+3*x.uv_index_bytes);I=x.nquad_flat*F;J=x.nquad_smooth*(F+4*x.normal_index_bytes);F=x.nquad_flat_uv*(F+4*x.uv_index_bytes);b+=function(b){var c=x.nvertices;b=new Float32Array(a,b,3*c);var d,e,f,g;for(d=0;d<c;d++)e=b[3*d],f=b[3*d+1],g=b[3*d+2],w.vertices.push(new THREE.Vector3(e,f,g));return 3*c*Float32Array.BYTES_PER_ELEMENT}(b);b+=function(b){var c=x.nnormals;if(c){b=new Int8Array(a,b,3*c);var d,e,f,g;for(d=0;d<c;d++)e=b[3*d],f=b[3*d+1],g=b[3*d+2],y.push(e/127,f/127,g/127)}return 3*c*Int8Array.BYTES_PER_ELEMENT}(b);
+b+=c(3*x.nnormals);b+=function(b){var c=x.nuvs;if(c){b=new Float32Array(a,b,2*c);var d,e,f;for(d=0;d<c;d++)e=b[2*d],f=b[2*d+1],A.push(e,f)}return 2*c*Float32Array.BYTES_PER_ELEMENT}(b);C=b+C+c(2*x.ntri_flat);B=C+B+c(2*x.ntri_smooth);z=B+z+c(2*x.ntri_flat_uv);D=z+D+c(2*x.ntri_smooth_uv);I=D+I+c(2*x.nquad_flat);J=I+J+c(2*x.nquad_smooth);F=J+F+c(2*x.nquad_flat_uv);(function(a){var b=x.ntri_flat_uv;if(b){var c=a+b*Uint32Array.BYTES_PER_ELEMENT*3;s(b,a,c+b*Uint32Array.BYTES_PER_ELEMENT*3);k(b,c)}})(B);
+(function(a){var b=x.ntri_smooth_uv;if(b){var c=a+b*Uint32Array.BYTES_PER_ELEMENT*3,d=c+b*Uint32Array.BYTES_PER_ELEMENT*3;v(b,a,c,d+b*Uint32Array.BYTES_PER_ELEMENT*3);k(b,d)}})(z);(function(a){var b=x.nquad_flat_uv;if(b){var c=a+b*Uint32Array.BYTES_PER_ELEMENT*4;t(b,a,c+b*Uint32Array.BYTES_PER_ELEMENT*4);q(b,c)}})(J);(function(a){var b=x.nquad_smooth_uv;if(b){var c=a+b*Uint32Array.BYTES_PER_ELEMENT*4,d=c+b*Uint32Array.BYTES_PER_ELEMENT*4;u(b,a,c,d+b*Uint32Array.BYTES_PER_ELEMENT*4);q(b,d)}})(F);(function(a){var b=
+x.ntri_flat;b&&s(b,a,a+b*Uint32Array.BYTES_PER_ELEMENT*3)})(b);(function(a){var b=x.ntri_smooth;if(b){var c=a+b*Uint32Array.BYTES_PER_ELEMENT*3;v(b,a,c,c+b*Uint32Array.BYTES_PER_ELEMENT*3)}})(C);(function(a){var b=x.nquad_flat;b&&t(b,a,a+b*Uint32Array.BYTES_PER_ELEMENT*4)})(D);(function(a){var b=x.nquad_smooth;if(b){var c=a+b*Uint32Array.BYTES_PER_ELEMENT*4;u(b,a,c,c+b*Uint32Array.BYTES_PER_ELEMENT*4)}})(I);this.computeCentroids();this.computeFaceNormals()};e.prototype=Object.create(THREE.Geometry.prototype);
+e=new e(c);c=this.initMaterials(d,c);this.needsTangents(c)&&e.computeTangents();b(e,c)};THREE.ImageLoader=function(){THREE.EventTarget.call(this);this.crossOrigin=null};
+THREE.ImageLoader.prototype={constructor:THREE.ImageLoader,load:function(a,b){var c=this;void 0===b&&(b=new Image);b.addEventListener("load",function(){c.dispatchEvent({type:"load",content:b})},!1);b.addEventListener("error",function(){c.dispatchEvent({type:"error",message:"Couldn't load URL ["+a+"]"})},!1);c.crossOrigin&&(b.crossOrigin=c.crossOrigin);b.src=a}};THREE.JSONLoader=function(a){THREE.Loader.call(this,a);this.withCredentials=!1};THREE.JSONLoader.prototype=Object.create(THREE.Loader.prototype);
+THREE.JSONLoader.prototype.load=function(a,b,c){c=c&&"string"===typeof c?c:this.extractUrlBase(a);this.onLoadStart();this.loadAjaxJSON(this,a,b,c)};
+THREE.JSONLoader.prototype.loadAjaxJSON=function(a,b,c,d,e){var f=new XMLHttpRequest,g=0;f.withCredentials=this.withCredentials;f.onreadystatechange=function(){if(f.readyState===f.DONE)if(200===f.status||0===f.status){if(f.responseText){var h=JSON.parse(f.responseText);a.createModel(h,c,d)}else console.warn("THREE.JSONLoader: ["+b+"] seems to be unreachable or file there is empty");a.onLoadComplete()}else console.error("THREE.JSONLoader: Couldn't load ["+b+"] ["+f.status+"]");else f.readyState===
+f.LOADING?e&&(0===g&&(g=f.getResponseHeader("Content-Length")),e({total:g,loaded:f.responseText.length})):f.readyState===f.HEADERS_RECEIVED&&(g=f.getResponseHeader("Content-Length"))};f.open("GET",b,!0);f.send(null)};
+THREE.JSONLoader.prototype.createModel=function(a,b,c){var d=new THREE.Geometry,e=void 0!==a.scale?1/a.scale:1;(function(b){var c,e,l,k,q,s,t,v,u,w,x,y,A,C,B=a.faces;s=a.vertices;var z=a.normals,D=a.colors,I=0;for(c=0;c<a.uvs.length;c++)a.uvs[c].length&&I++;for(c=0;c<I;c++)d.faceUvs[c]=[],d.faceVertexUvs[c]=[];k=0;for(q=s.length;k<q;)t=new THREE.Vector3,t.x=s[k++]*b,t.y=s[k++]*b,t.z=s[k++]*b,d.vertices.push(t);k=0;for(q=B.length;k<q;){b=B[k++];s=b&1;l=b&2;c=b&4;e=b&8;v=b&16;t=b&32;w=b&64;b&=128;s?
+(x=new THREE.Face4,x.a=B[k++],x.b=B[k++],x.c=B[k++],x.d=B[k++],s=4):(x=new THREE.Face3,x.a=B[k++],x.b=B[k++],x.c=B[k++],s=3);l&&(l=B[k++],x.materialIndex=l);l=d.faces.length;if(c)for(c=0;c<I;c++)y=a.uvs[c],u=B[k++],C=y[2*u],u=y[2*u+1],d.faceUvs[c][l]=new THREE.UV(C,u);if(e)for(c=0;c<I;c++){y=a.uvs[c];A=[];for(e=0;e<s;e++)u=B[k++],C=y[2*u],u=y[2*u+1],A[e]=new THREE.UV(C,u);d.faceVertexUvs[c][l]=A}v&&(v=3*B[k++],e=new THREE.Vector3,e.x=z[v++],e.y=z[v++],e.z=z[v],x.normal=e);if(t)for(c=0;c<s;c++)v=3*
+B[k++],e=new THREE.Vector3,e.x=z[v++],e.y=z[v++],e.z=z[v],x.vertexNormals.push(e);w&&(t=B[k++],t=new THREE.Color(D[t]),x.color=t);if(b)for(c=0;c<s;c++)t=B[k++],t=new THREE.Color(D[t]),x.vertexColors.push(t);d.faces.push(x)}})(e);(function(){var b,c,e,l;if(a.skinWeights)for(b=0,c=a.skinWeights.length;b<c;b+=2)e=a.skinWeights[b],l=a.skinWeights[b+1],d.skinWeights.push(new THREE.Vector4(e,l,0,0));if(a.skinIndices)for(b=0,c=a.skinIndices.length;b<c;b+=2)e=a.skinIndices[b],l=a.skinIndices[b+1],d.skinIndices.push(new THREE.Vector4(e,
+l,0,0));d.bones=a.bones;d.animation=a.animation})();(function(b){if(void 0!==a.morphTargets){var c,e,l,k,q,s;c=0;for(e=a.morphTargets.length;c<e;c++)for(d.morphTargets[c]={},d.morphTargets[c].name=a.morphTargets[c].name,d.morphTargets[c].vertices=[],q=d.morphTargets[c].vertices,s=a.morphTargets[c].vertices,l=0,k=s.length;l<k;l+=3){var t=new THREE.Vector3;t.x=s[l]*b;t.y=s[l+1]*b;t.z=s[l+2]*b;q.push(t)}}if(void 0!==a.morphColors)for(c=0,e=a.morphColors.length;c<e;c++)for(d.morphColors[c]={},d.morphColors[c].name=
+a.morphColors[c].name,d.morphColors[c].colors=[],k=d.morphColors[c].colors,q=a.morphColors[c].colors,b=0,l=q.length;b<l;b+=3)s=new THREE.Color(16755200),s.setRGB(q[b],q[b+1],q[b+2]),k.push(s)})(e);d.computeCentroids();d.computeFaceNormals();c=this.initMaterials(a.materials,c);this.needsTangents(c)&&d.computeTangents();b(d,c)};
+THREE.LoadingMonitor=function(){THREE.EventTarget.call(this);var a=this,b=0,c=0,d=function(d){b++;a.dispatchEvent({type:"progress",loaded:b,total:c});b===c&&a.dispatchEvent({type:"load"})};this.add=function(a){c++;a.addEventListener("load",d,!1)}};
+THREE.SceneLoader=function(){this.onLoadStart=function(){};this.onLoadProgress=function(){};this.onLoadComplete=function(){};this.callbackSync=function(){};this.callbackProgress=function(){};this.geometryHandlerMap={};this.hierarchyHandlerMap={};this.addGeometryHandler("ascii",THREE.JSONLoader);this.addGeometryHandler("binary",THREE.BinaryLoader)};THREE.SceneLoader.prototype.constructor=THREE.SceneLoader;
+THREE.SceneLoader.prototype.load=function(a,b){var c=this,d=new XMLHttpRequest;d.onreadystatechange=function(){if(4===d.readyState)if(200===d.status||0===d.status){var e=JSON.parse(d.responseText);c.parse(e,b,a)}else console.error("THREE.SceneLoader: Couldn't load ["+a+"] ["+d.status+"]")};d.open("GET",a,!0);d.send(null)};THREE.SceneLoader.prototype.addGeometryHandler=function(a,b){this.geometryHandlerMap[a]={loaderClass:b}};
+THREE.SceneLoader.prototype.addHierarchyHandler=function(a,b){this.hierarchyHandlerMap[a]={loaderClass:b}};
+THREE.SceneLoader.prototype.parse=function(a,b,c){function d(a,b){return"relativeToHTML"==b?a:t+"/"+a}function e(){f(S.scene,N.objects)}function f(a,b){for(var c in b)if(void 0===S.objects[c]){var e=b[c],g=null;if(e.type&&e.type in s.hierarchyHandlerMap&&void 0===e.loading){var h={},k;for(k in y)"type"!==k&&"url"!==k&&(h[k]=y[k]);L=S.materials[e.material];e.loading=!0;var q=s.hierarchyHandlerMap[e.type].loaderObject;q.addEventListener?(q.addEventListener("load",l(c,a,L,e)),q.load(d(e.url,N.urlBaseType))):
+q.options?q.load(d(e.url,N.urlBaseType),l(c,a,L,e)):q.load(d(e.url,N.urlBaseType),l(c,a,L,e),h)}else if(void 0!==e.geometry){if(K=S.geometries[e.geometry]){g=!1;L=S.materials[e.material];g=L instanceof THREE.ShaderMaterial;B=e.position;z=e.rotation;D=e.quaternion;I=e.scale;A=e.matrix;D=0;e.material||(L=new THREE.MeshFaceMaterial(S.face_materials[e.geometry]));L instanceof THREE.MeshFaceMaterial&&0===L.materials.length&&(L=new THREE.MeshFaceMaterial(S.face_materials[e.geometry]));if(L instanceof THREE.MeshFaceMaterial)for(h=
+0;h<L.materials.length;h++)g=g||L.materials[h]instanceof THREE.ShaderMaterial;g&&K.computeTangents();e.skin?g=new THREE.SkinnedMesh(K,L):e.morph?(g=new THREE.MorphAnimMesh(K,L),void 0!==e.duration&&(g.duration=e.duration),void 0!==e.time&&(g.time=e.time),void 0!==e.mirroredLoop&&(g.mirroredLoop=e.mirroredLoop),L.morphNormals&&K.computeMorphNormals()):g=new THREE.Mesh(K,L);g.name=c;A?(g.matrixAutoUpdate=!1,g.matrix.set(A[0],A[1],A[2],A[3],A[4],A[5],A[6],A[7],A[8],A[9],A[10],A[11],A[12],A[13],A[14],
+A[15])):(g.position.set(B[0],B[1],B[2]),D?(g.quaternion.set(D[0],D[1],D[2],D[3]),g.useQuaternion=!0):g.rotation.set(z[0],z[1],z[2]),g.scale.set(I[0],I[1],I[2]));g.visible=e.visible;g.castShadow=e.castShadow;g.receiveShadow=e.receiveShadow;a.add(g);S.objects[c]=g}}else"DirectionalLight"===e.type||"PointLight"===e.type||"AmbientLight"===e.type?(O=void 0!==e.color?e.color:16777215,W=void 0!==e.intensity?e.intensity:1,"DirectionalLight"===e.type?(B=e.direction,m=new THREE.DirectionalLight(O,W),m.position.set(B[0],
+B[1],B[2]),e.target&&(Da.push({object:m,targetName:e.target}),m.target=null)):"PointLight"===e.type?(B=e.position,C=e.distance,m=new THREE.PointLight(O,W,C),m.position.set(B[0],B[1],B[2])):"AmbientLight"===e.type&&(m=new THREE.AmbientLight(O)),a.add(m),m.name=c,S.lights[c]=m,S.objects[c]=m):"PerspectiveCamera"===e.type||"OrthographicCamera"===e.type?("PerspectiveCamera"===e.type?H=new THREE.PerspectiveCamera(e.fov,e.aspect,e.near,e.far):"OrthographicCamera"===e.type&&(H=new THREE.OrthographicCamera(J.left,
+J.right,J.top,J.bottom,J.near,J.far)),B=e.position,H.position.set(B[0],B[1],B[2]),a.add(H),H.name=c,S.cameras[c]=H,S.objects[c]=H):(B=e.position,z=e.rotation,D=e.quaternion,I=e.scale,D=0,g=new THREE.Object3D,g.name=c,g.position.set(B[0],B[1],B[2]),D?(g.quaternion.set(D[0],D[1],D[2],D[3]),g.useQuaternion=!0):g.rotation.set(z[0],z[1],z[2]),g.scale.set(I[0],I[1],I[2]),g.visible=void 0!==e.visible?e.visible:!1,a.add(g),S.objects[c]=g,S.empties[c]=g);if(g){if(void 0!==e.properties)for(var t in e.properties)g.properties[t]=
+e.properties[t];void 0!==e.children&&f(g,e.children)}}}function g(a,b,c,d,f){var g=f.position,h=f.rotation,l=f.quaternion;f=f.scale;a.position.set(g[0],g[1],g[2]);l?(a.quaternion.set(l[0],l[1],l[2],l[3]),a.useQuaternion=!0):a.rotation.set(h[0],h[1],h[2]);a.scale.set(f[0],f[1],f[2]);d&&a.traverse(function(a){a.material=d});c.add(a);S.objects[b]=a;e()}function h(a){return function(b,c){S.geometries[a]=b;S.face_materials[a]=c;e();P-=1;s.onLoadComplete();q()}}function l(a,b,c,d){return function(e){g(e.content?
+e.content:e.dae?e.scene:e,a,b,c,d);P-=1;s.onLoadComplete();q()}}function k(a){return function(b,c){S.geometries[a]=b;S.face_materials[a]=c}}function q(){s.callbackProgress({totalModels:ca,totalTextures:oa,loadedModels:ca-P,loadedTextures:oa-ha},S);s.onLoadProgress();if(0===P&&0===ha){for(var a=0;a<Da.length;a++){var c=Da[a],d=S.objects[c.targetName];d?c.object.target=d:(c.object.target=new THREE.Object3D,S.scene.add(c.object.target));c.object.target.properties.targetInverse=c.object}b(S)}}var s=this,
+t=THREE.Loader.prototype.extractUrlBase(c),v,u,w,x,y,A,C,B,z,D,I,J,F,K,L,H,T,R,m,O,W,P,ha,ca,oa,S,Da=[],N=a,da;for(da in this.geometryHandlerMap)a=this.geometryHandlerMap[da].loaderClass,this.geometryHandlerMap[da].loaderObject=new a;for(da in this.hierarchyHandlerMap)a=this.hierarchyHandlerMap[da].loaderClass,this.hierarchyHandlerMap[da].loaderObject=new a;ha=P=0;S={scene:new THREE.Scene,geometries:{},face_materials:{},materials:{},textures:{},objects:{},cameras:{},lights:{},fogs:{},empties:{}};
+N.transform&&(da=N.transform.position,a=N.transform.rotation,c=N.transform.scale,da&&S.scene.position.set(da[0],da[1],da[2]),a&&S.scene.rotation.set(a[0],a[1],a[2]),c&&S.scene.scale.set(c[0],c[1],c[2]),da||a||c)&&(S.scene.updateMatrix(),S.scene.updateMatrixWorld());da=function(a){return function(){ha-=a;q();s.onLoadComplete()}};for(w in N.fogs)a=N.fogs[w],"linear"===a.type?T=new THREE.Fog(0,a.near,a.far):"exp2"===a.type&&(T=new THREE.FogExp2(0,a.density)),J=a.color,T.color.setRGB(J[0],J[1],J[2]),
+S.fogs[w]=T;for(v in N.geometries)y=N.geometries[v],y.type in this.geometryHandlerMap&&(P+=1,s.onLoadStart());for(var Q in N.objects)w=N.objects[Q],w.type&&w.type in this.hierarchyHandlerMap&&(P+=1,s.onLoadStart());ca=P;for(v in N.geometries)if(y=N.geometries[v],"cube"===y.type)K=new THREE.CubeGeometry(y.width,y.height,y.depth,y.widthSegments,y.heightSegments,y.depthSegments),S.geometries[v]=K;else if("plane"===y.type)K=new THREE.PlaneGeometry(y.width,y.height,y.widthSegments,y.heightSegments),S.geometries[v]=
+K;else if("sphere"===y.type)K=new THREE.SphereGeometry(y.radius,y.widthSegments,y.heightSegments),S.geometries[v]=K;else if("cylinder"===y.type)K=new THREE.CylinderGeometry(y.topRad,y.botRad,y.height,y.radSegs,y.heightSegs),S.geometries[v]=K;else if("torus"===y.type)K=new THREE.TorusGeometry(y.radius,y.tube,y.segmentsR,y.segmentsT),S.geometries[v]=K;else if("icosahedron"===y.type)K=new THREE.IcosahedronGeometry(y.radius,y.subdivisions),S.geometries[v]=K;else if(y.type in this.geometryHandlerMap){Q=
+{};for(R in y)"type"!==R&&"url"!==R&&(Q[R]=y[R]);this.geometryHandlerMap[y.type].loaderObject.load(d(y.url,N.urlBaseType),h(v),Q)}else"embedded"===y.type&&(Q=N.embeds[y.id],Q.metadata=N.metadata,Q&&this.geometryHandlerMap.ascii.loaderObject.createModel(Q,k(v),""));for(x in N.textures)if(v=N.textures[x],v.url instanceof Array)for(ha+=v.url.length,R=0;R<v.url.length;R++)s.onLoadStart();else ha+=1,s.onLoadStart();oa=ha;for(x in N.textures){v=N.textures[x];void 0!==v.mapping&&void 0!==THREE[v.mapping]&&
+(v.mapping=new THREE[v.mapping]);if(v.url instanceof Array){Q=v.url.length;w=[];for(R=0;R<Q;R++)w[R]=d(v.url[R],N.urlBaseType);R=(R=w[0].endsWith(".dds"))?THREE.ImageUtils.loadCompressedTextureCube(w,v.mapping,da(Q)):THREE.ImageUtils.loadTextureCube(w,v.mapping,da(Q))}else R=v.url.toLowerCase().endsWith(".dds"),Q=d(v.url,N.urlBaseType),w=da(1),R=R?THREE.ImageUtils.loadCompressedTexture(Q,v.mapping,w):THREE.ImageUtils.loadTexture(Q,v.mapping,w),void 0!==THREE[v.minFilter]&&(R.minFilter=THREE[v.minFilter]),
+void 0!==THREE[v.magFilter]&&(R.magFilter=THREE[v.magFilter]),v.anisotropy&&(R.anisotropy=v.anisotropy),v.repeat&&(R.repeat.set(v.repeat[0],v.repeat[1]),1!==v.repeat[0]&&(R.wrapS=THREE.RepeatWrapping),1!==v.repeat[1]&&(R.wrapT=THREE.RepeatWrapping)),v.offset&&R.offset.set(v.offset[0],v.offset[1]),v.wrap&&(Q={repeat:THREE.RepeatWrapping,mirror:THREE.MirroredRepeatWrapping},void 0!==Q[v.wrap[0]]&&(R.wrapS=Q[v.wrap[0]]),void 0!==Q[v.wrap[1]]&&(R.wrapT=Q[v.wrap[1]]));S.textures[x]=R}for(u in N.materials){A=
+N.materials[u];for(F in A.parameters)"envMap"===F||"map"===F||"lightMap"===F||"bumpMap"===F?A.parameters[F]=S.textures[A.parameters[F]]:"shading"===F?A.parameters[F]="flat"===A.parameters[F]?THREE.FlatShading:THREE.SmoothShading:"side"===F?A.parameters[F]="double"==A.parameters[F]?THREE.DoubleSide:"back"==A.parameters[F]?THREE.BackSide:THREE.FrontSide:"blending"===F?A.parameters[F]=A.parameters[F]in THREE?THREE[A.parameters[F]]:THREE.NormalBlending:"combine"===F?A.parameters[F]="MixOperation"==A.parameters[F]?
+THREE.MixOperation:THREE.MultiplyOperation:"vertexColors"===F?"face"==A.parameters[F]?A.parameters[F]=THREE.FaceColors:A.parameters[F]&&(A.parameters[F]=THREE.VertexColors):"wrapRGB"===F&&(x=A.parameters[F],A.parameters[F]=new THREE.Vector3(x[0],x[1],x[2]));void 0!==A.parameters.opacity&&1>A.parameters.opacity&&(A.parameters.transparent=!0);A.parameters.normalMap?(x=THREE.ShaderUtils.lib.normal,da=THREE.UniformsUtils.clone(x.uniforms),v=A.parameters.color,R=A.parameters.specular,Q=A.parameters.ambient,
+w=A.parameters.shininess,da.tNormal.value=S.textures[A.parameters.normalMap],A.parameters.normalScale&&da.uNormalScale.value.set(A.parameters.normalScale[0],A.parameters.normalScale[1]),A.parameters.map&&(da.tDiffuse.value=A.parameters.map,da.enableDiffuse.value=!0),A.parameters.envMap&&(da.tCube.value=A.parameters.envMap,da.enableReflection.value=!0,da.uReflectivity.value=A.parameters.reflectivity),A.parameters.lightMap&&(da.tAO.value=A.parameters.lightMap,da.enableAO.value=!0),A.parameters.specularMap&&
+(da.tSpecular.value=S.textures[A.parameters.specularMap],da.enableSpecular.value=!0),A.parameters.displacementMap&&(da.tDisplacement.value=S.textures[A.parameters.displacementMap],da.enableDisplacement.value=!0,da.uDisplacementBias.value=A.parameters.displacementBias,da.uDisplacementScale.value=A.parameters.displacementScale),da.uDiffuseColor.value.setHex(v),da.uSpecularColor.value.setHex(R),da.uAmbientColor.value.setHex(Q),da.uShininess.value=w,A.parameters.opacity&&(da.uOpacity.value=A.parameters.opacity),
+L=new THREE.ShaderMaterial({fragmentShader:x.fragmentShader,vertexShader:x.vertexShader,uniforms:da,lights:!0,fog:!0})):L=new THREE[A.type](A.parameters);S.materials[u]=L}for(u in N.materials)if(A=N.materials[u],A.parameters.materials){F=[];for(R=0;R<A.parameters.materials.length;R++)F.push(S.materials[A.parameters.materials[R]]);S.materials[u].materials=F}e();S.cameras&&N.defaults.camera&&(S.currentCamera=S.cameras[N.defaults.camera]);S.fogs&&N.defaults.fog&&(S.scene.fog=S.fogs[N.defaults.fog]);
+J=N.defaults.bgcolor;S.bgColor=new THREE.Color;S.bgColor.setRGB(J[0],J[1],J[2]);S.bgColorAlpha=N.defaults.bgalpha;s.callbackSync(S);q()};THREE.TextureLoader=function(){THREE.EventTarget.call(this);this.crossOrigin=null};
+THREE.TextureLoader.prototype={constructor:THREE.TextureLoader,load:function(a){var b=this,c=new Image;c.addEventListener("load",function(){var a=new THREE.Texture(c);a.needsUpdate=!0;b.dispatchEvent({type:"load",content:a})},!1);c.addEventListener("error",function(){b.dispatchEvent({type:"error",message:"Couldn't load URL ["+a+"]"})},!1);b.crossOrigin&&(c.crossOrigin=b.crossOrigin);c.src=a}};
+THREE.Material=function(){THREE.MaterialLibrary.push(this);this.id=THREE.MaterialIdCount++;this.name="";this.side=THREE.FrontSide;this.opacity=1;this.transparent=!1;this.blending=THREE.NormalBlending;this.blendSrc=THREE.SrcAlphaFactor;this.blendDst=THREE.OneMinusSrcAlphaFactor;this.blendEquation=THREE.AddEquation;this.depthWrite=this.depthTest=!0;this.polygonOffset=!1;this.alphaTest=this.polygonOffsetUnits=this.polygonOffsetFactor=0;this.overdraw=!1;this.needsUpdate=this.visible=!0};
+THREE.Material.prototype.setValues=function(a){if(void 0!==a)for(var b in a){var c=a[b];if(void 0===c)console.warn("THREE.Material: '"+b+"' parameter is undefined.");else if(b in this){var d=this[b];d instanceof THREE.Color&&c instanceof THREE.Color?d.copy(c):d instanceof THREE.Color&&"number"===typeof c?d.setHex(c):d instanceof THREE.Vector3&&c instanceof THREE.Vector3?d.copy(c):this[b]=c}}};
+THREE.Material.prototype.clone=function(a){void 0===a&&(a=new THREE.Material);a.name=this.name;a.side=this.side;a.opacity=this.opacity;a.transparent=this.transparent;a.blending=this.blending;a.blendSrc=this.blendSrc;a.blendDst=this.blendDst;a.blendEquation=this.blendEquation;a.depthTest=this.depthTest;a.depthWrite=this.depthWrite;a.polygonOffset=this.polygonOffset;a.polygonOffsetFactor=this.polygonOffsetFactor;a.polygonOffsetUnits=this.polygonOffsetUnits;a.alphaTest=this.alphaTest;a.overdraw=this.overdraw;
+a.visible=this.visible;return a};THREE.Material.prototype.deallocate=function(){var a=THREE.MaterialLibrary.indexOf(this);-1!==a&&THREE.MaterialLibrary.splice(a,1)};THREE.MaterialIdCount=0;THREE.MaterialLibrary=[];THREE.LineBasicMaterial=function(a){THREE.Material.call(this);this.color=new THREE.Color(16777215);this.linewidth=1;this.linejoin=this.linecap="round";this.vertexColors=!1;this.fog=!0;this.setValues(a)};THREE.LineBasicMaterial.prototype=Object.create(THREE.Material.prototype);
+THREE.LineBasicMaterial.prototype.clone=function(){var a=new THREE.LineBasicMaterial;THREE.Material.prototype.clone.call(this,a);a.color.copy(this.color);a.linewidth=this.linewidth;a.linecap=this.linecap;a.linejoin=this.linejoin;a.vertexColors=this.vertexColors;a.fog=this.fog;return a};THREE.LineDashedMaterial=function(a){THREE.Material.call(this);this.color=new THREE.Color(16777215);this.scale=this.linewidth=1;this.dashSize=3;this.gapSize=1;this.vertexColors=!1;this.fog=!0;this.setValues(a)};
+THREE.LineDashedMaterial.prototype=Object.create(THREE.Material.prototype);THREE.LineDashedMaterial.prototype.clone=function(){var a=new THREE.LineDashedMaterial;THREE.Material.prototype.clone.call(this,a);a.color.copy(this.color);a.linewidth=this.linewidth;a.scale=this.scale;a.dashSize=this.dashSize;a.gapSize=this.gapSize;a.vertexColors=this.vertexColors;a.fog=this.fog;return a};
+THREE.MeshBasicMaterial=function(a){THREE.Material.call(this);this.color=new THREE.Color(16777215);this.envMap=this.specularMap=this.lightMap=this.map=null;this.combine=THREE.MultiplyOperation;this.reflectivity=1;this.refractionRatio=0.98;this.fog=!0;this.shading=THREE.SmoothShading;this.wireframe=!1;this.wireframeLinewidth=1;this.wireframeLinejoin=this.wireframeLinecap="round";this.vertexColors=THREE.NoColors;this.morphTargets=this.skinning=!1;this.setValues(a)};
+THREE.MeshBasicMaterial.prototype=Object.create(THREE.Material.prototype);
+THREE.MeshBasicMaterial.prototype.clone=function(){var a=new THREE.MeshBasicMaterial;THREE.Material.prototype.clone.call(this,a);a.color.copy(this.color);a.map=this.map;a.lightMap=this.lightMap;a.specularMap=this.specularMap;a.envMap=this.envMap;a.combine=this.combine;a.reflectivity=this.reflectivity;a.refractionRatio=this.refractionRatio;a.fog=this.fog;a.shading=this.shading;a.wireframe=this.wireframe;a.wireframeLinewidth=this.wireframeLinewidth;a.wireframeLinecap=this.wireframeLinecap;a.wireframeLinejoin=
+this.wireframeLinejoin;a.vertexColors=this.vertexColors;a.skinning=this.skinning;a.morphTargets=this.morphTargets;return a};
+THREE.MeshLambertMaterial=function(a){THREE.Material.call(this);this.color=new THREE.Color(16777215);this.ambient=new THREE.Color(16777215);this.emissive=new THREE.Color(0);this.wrapAround=!1;this.wrapRGB=new THREE.Vector3(1,1,1);this.envMap=this.specularMap=this.lightMap=this.map=null;this.combine=THREE.MultiplyOperation;this.reflectivity=1;this.refractionRatio=0.98;this.fog=!0;this.shading=THREE.SmoothShading;this.wireframe=!1;this.wireframeLinewidth=1;this.wireframeLinejoin=this.wireframeLinecap=
+"round";this.vertexColors=THREE.NoColors;this.morphNormals=this.morphTargets=this.skinning=!1;this.setValues(a)};THREE.MeshLambertMaterial.prototype=Object.create(THREE.Material.prototype);
+THREE.MeshLambertMaterial.prototype.clone=function(){var a=new THREE.MeshLambertMaterial;THREE.Material.prototype.clone.call(this,a);a.color.copy(this.color);a.ambient.copy(this.ambient);a.emissive.copy(this.emissive);a.wrapAround=this.wrapAround;a.wrapRGB.copy(this.wrapRGB);a.map=this.map;a.lightMap=this.lightMap;a.specularMap=this.specularMap;a.envMap=this.envMap;a.combine=this.combine;a.reflectivity=this.reflectivity;a.refractionRatio=this.refractionRatio;a.fog=this.fog;a.shading=this.shading;
+a.wireframe=this.wireframe;a.wireframeLinewidth=this.wireframeLinewidth;a.wireframeLinecap=this.wireframeLinecap;a.wireframeLinejoin=this.wireframeLinejoin;a.vertexColors=this.vertexColors;a.skinning=this.skinning;a.morphTargets=this.morphTargets;a.morphNormals=this.morphNormals;return a};
+THREE.MeshPhongMaterial=function(a){THREE.Material.call(this);this.color=new THREE.Color(16777215);this.ambient=new THREE.Color(16777215);this.emissive=new THREE.Color(0);this.specular=new THREE.Color(1118481);this.shininess=30;this.metal=!1;this.perPixel=!0;this.wrapAround=!1;this.wrapRGB=new THREE.Vector3(1,1,1);this.bumpMap=this.lightMap=this.map=null;this.bumpScale=1;this.normalMap=null;this.normalScale=new THREE.Vector2(1,1);this.envMap=this.specularMap=null;this.combine=THREE.MultiplyOperation;
+this.reflectivity=1;this.refractionRatio=0.98;this.fog=!0;this.shading=THREE.SmoothShading;this.wireframe=!1;this.wireframeLinewidth=1;this.wireframeLinejoin=this.wireframeLinecap="round";this.vertexColors=THREE.NoColors;this.morphNormals=this.morphTargets=this.skinning=!1;this.setValues(a)};THREE.MeshPhongMaterial.prototype=Object.create(THREE.Material.prototype);
+THREE.MeshPhongMaterial.prototype.clone=function(){var a=new THREE.MeshPhongMaterial;THREE.Material.prototype.clone.call(this,a);a.color.copy(this.color);a.ambient.copy(this.ambient);a.emissive.copy(this.emissive);a.specular.copy(this.specular);a.shininess=this.shininess;a.metal=this.metal;a.perPixel=this.perPixel;a.wrapAround=this.wrapAround;a.wrapRGB.copy(this.wrapRGB);a.map=this.map;a.lightMap=this.lightMap;a.bumpMap=this.bumpMap;a.bumpScale=this.bumpScale;a.normalMap=this.normalMap;a.normalScale.copy(this.normalScale);
+a.specularMap=this.specularMap;a.envMap=this.envMap;a.combine=this.combine;a.reflectivity=this.reflectivity;a.refractionRatio=this.refractionRatio;a.fog=this.fog;a.shading=this.shading;a.wireframe=this.wireframe;a.wireframeLinewidth=this.wireframeLinewidth;a.wireframeLinecap=this.wireframeLinecap;a.wireframeLinejoin=this.wireframeLinejoin;a.vertexColors=this.vertexColors;a.skinning=this.skinning;a.morphTargets=this.morphTargets;a.morphNormals=this.morphNormals;return a};
+THREE.MeshDepthMaterial=function(a){THREE.Material.call(this);this.wireframe=!1;this.wireframeLinewidth=1;this.setValues(a)};THREE.MeshDepthMaterial.prototype=Object.create(THREE.Material.prototype);THREE.MeshDepthMaterial.prototype.clone=function(){var a=new THREE.LineBasicMaterial;THREE.Material.prototype.clone.call(this,a);a.wireframe=this.wireframe;a.wireframeLinewidth=this.wireframeLinewidth;return a};
+THREE.MeshNormalMaterial=function(a){THREE.Material.call(this,a);this.shading=THREE.FlatShading;this.wireframe=!1;this.wireframeLinewidth=1;this.setValues(a)};THREE.MeshNormalMaterial.prototype=Object.create(THREE.Material.prototype);THREE.MeshNormalMaterial.prototype.clone=function(){var a=new THREE.MeshNormalMaterial;THREE.Material.prototype.clone.call(this,a);a.shading=this.shading;a.wireframe=this.wireframe;a.wireframeLinewidth=this.wireframeLinewidth;return a};
+THREE.MeshFaceMaterial=function(a){this.materials=a instanceof Array?a:[]};THREE.MeshFaceMaterial.prototype.clone=function(){return new THREE.MeshFaceMaterial(this.materials.slice(0))};THREE.ParticleBasicMaterial=function(a){THREE.Material.call(this);this.color=new THREE.Color(16777215);this.map=null;this.size=1;this.sizeAttenuation=!0;this.vertexColors=!1;this.fog=!0;this.setValues(a)};THREE.ParticleBasicMaterial.prototype=Object.create(THREE.Material.prototype);
+THREE.ParticleBasicMaterial.prototype.clone=function(){var a=new THREE.ParticleBasicMaterial;THREE.Material.prototype.clone.call(this,a);a.color.copy(this.color);a.map=this.map;a.size=this.size;a.sizeAttenuation=this.sizeAttenuation;a.vertexColors=this.vertexColors;a.fog=this.fog;return a};THREE.ParticleCanvasMaterial=function(a){THREE.Material.call(this);this.color=new THREE.Color(16777215);this.program=function(a,c){};this.setValues(a)};THREE.ParticleCanvasMaterial.prototype=Object.create(THREE.Material.prototype);
+THREE.ParticleCanvasMaterial.prototype.clone=function(){var a=new THREE.ParticleCanvasMaterial;THREE.Material.prototype.clone.call(this,a);a.color.copy(this.color);a.program=this.program;return a};THREE.ParticleDOMMaterial=function(a){this.element=a};THREE.ParticleDOMMaterial.prototype.clone=function(){return new THREE.ParticleDOMMaterial(this.element)};
+THREE.ShaderMaterial=function(a){THREE.Material.call(this);this.vertexShader=this.fragmentShader="void main() {}";this.uniforms={};this.defines={};this.attributes=null;this.shading=THREE.SmoothShading;this.wireframe=!1;this.wireframeLinewidth=1;this.lights=this.fog=!1;this.vertexColors=THREE.NoColors;this.morphNormals=this.morphTargets=this.skinning=!1;this.setValues(a)};THREE.ShaderMaterial.prototype=Object.create(THREE.Material.prototype);
+THREE.ShaderMaterial.prototype.clone=function(){var a=new THREE.ShaderMaterial;THREE.Material.prototype.clone.call(this,a);a.fragmentShader=this.fragmentShader;a.vertexShader=this.vertexShader;a.uniforms=THREE.UniformsUtils.clone(this.uniforms);a.attributes=this.attributes;a.defines=this.defines;a.shading=this.shading;a.wireframe=this.wireframe;a.wireframeLinewidth=this.wireframeLinewidth;a.fog=this.fog;a.lights=this.lights;a.vertexColors=this.vertexColors;a.skinning=this.skinning;a.morphTargets=
+this.morphTargets;a.morphNormals=this.morphNormals;return a};
+THREE.Texture=function(a,b,c,d,e,f,g,h,l){THREE.TextureLibrary.push(this);this.id=THREE.TextureIdCount++;this.name="";this.image=a;this.mapping=void 0!==b?b:new THREE.UVMapping;this.wrapS=void 0!==c?c:THREE.ClampToEdgeWrapping;this.wrapT=void 0!==d?d:THREE.ClampToEdgeWrapping;this.magFilter=void 0!==e?e:THREE.LinearFilter;this.minFilter=void 0!==f?f:THREE.LinearMipMapLinearFilter;this.anisotropy=void 0!==l?l:1;this.format=void 0!==g?g:THREE.RGBAFormat;this.type=void 0!==h?h:THREE.UnsignedByteType;
+this.offset=new THREE.Vector2(0,0);this.repeat=new THREE.Vector2(1,1);this.generateMipmaps=!0;this.premultiplyAlpha=!1;this.flipY=!0;this.needsUpdate=!1;this.onUpdate=null};
+THREE.Texture.prototype={constructor:THREE.Texture,clone:function(){var a=new THREE.Texture;a.image=this.image;a.mapping=this.mapping;a.wrapS=this.wrapS;a.wrapT=this.wrapT;a.magFilter=this.magFilter;a.minFilter=this.minFilter;a.anisotropy=this.anisotropy;a.format=this.format;a.type=this.type;a.offset.copy(this.offset);a.repeat.copy(this.repeat);a.generateMipmaps=this.generateMipmaps;a.premultiplyAlpha=this.premultiplyAlpha;a.flipY=this.flipY;return a},deallocate:function(){var a=THREE.TextureLibrary.indexOf(this);
+-1!==a&&THREE.TextureLibrary.splice(a,1)}};THREE.TextureIdCount=0;THREE.TextureLibrary=[];THREE.CompressedTexture=function(a,b,c,d,e,f,g,h,l,k){THREE.Texture.call(this,null,f,g,h,l,k,d,e);this.image={width:b,height:c};this.mipmaps=a};THREE.CompressedTexture.prototype=Object.create(THREE.Texture.prototype);
+THREE.CompressedTexture.prototype.clone=function(){var a=new THREE.CompressedTexture;a.image=this.image;a.mipmaps=this.mipmaps;a.format=this.format;a.type=this.type;a.mapping=this.mapping;a.wrapS=this.wrapS;a.wrapT=this.wrapT;a.magFilter=this.magFilter;a.minFilter=this.minFilter;a.anisotropy=this.anisotropy;a.offset.copy(this.offset);a.repeat.copy(this.repeat);return a};THREE.DataTexture=function(a,b,c,d,e,f,g,h,l,k){THREE.Texture.call(this,null,f,g,h,l,k,d,e);this.image={data:a,width:b,height:c}};
+THREE.DataTexture.prototype=Object.create(THREE.Texture.prototype);THREE.DataTexture.prototype.clone=function(){var a=new THREE.DataTexture(this.image.data,this.image.width,this.image.height,this.format,this.type,this.mapping,this.wrapS,this.wrapT,this.magFilter,this.minFilter);a.offset.copy(this.offset);a.repeat.copy(this.repeat);return a};THREE.Particle=function(a){THREE.Object3D.call(this);this.material=a};THREE.Particle.prototype=Object.create(THREE.Object3D.prototype);
+THREE.Particle.prototype.clone=function(a){void 0===a&&(a=new THREE.Particle(this.material));THREE.Object3D.prototype.clone.call(this,a);return a};THREE.ParticleSystem=function(a,b){THREE.Object3D.call(this);this.geometry=a;this.material=void 0!==b?b:new THREE.ParticleBasicMaterial({color:16777215*Math.random()});this.sortParticles=!1;this.geometry&&(null===this.geometry.boundingSphere&&this.geometry.computeBoundingSphere(),this.boundRadius=a.boundingSphere.radius);this.frustumCulled=!1};
+THREE.ParticleSystem.prototype=Object.create(THREE.Object3D.prototype);THREE.ParticleSystem.prototype.clone=function(a){void 0===a&&(a=new THREE.ParticleSystem(this.geometry,this.material));a.sortParticles=this.sortParticles;THREE.Object3D.prototype.clone.call(this,a);return a};
+THREE.Line=function(a,b,c){THREE.Object3D.call(this);this.geometry=a;this.material=void 0!==b?b:new THREE.LineBasicMaterial({color:16777215*Math.random()});this.type=void 0!==c?c:THREE.LineStrip;this.geometry&&(this.geometry.boundingSphere||this.geometry.computeBoundingSphere())};THREE.LineStrip=0;THREE.LinePieces=1;THREE.Line.prototype=Object.create(THREE.Object3D.prototype);
+THREE.Line.prototype.clone=function(a){void 0===a&&(a=new THREE.Line(this.geometry,this.material,this.type));THREE.Object3D.prototype.clone.call(this,a);return a};
+THREE.Mesh=function(a,b){THREE.Object3D.call(this);this.geometry=a;this.material=void 0!==b?b:new THREE.MeshBasicMaterial({color:16777215*Math.random(),wireframe:!0});if(this.geometry&&(null===this.geometry.boundingSphere&&this.geometry.computeBoundingSphere(),this.boundRadius=a.boundingSphere.radius,this.geometry.morphTargets.length)){this.morphTargetBase=-1;this.morphTargetForcedOrder=[];this.morphTargetInfluences=[];this.morphTargetDictionary={};for(var c=0;c<this.geometry.morphTargets.length;c++)this.morphTargetInfluences.push(0),
+this.morphTargetDictionary[this.geometry.morphTargets[c].name]=c}};THREE.Mesh.prototype=Object.create(THREE.Object3D.prototype);THREE.Mesh.prototype.getMorphTargetIndexByName=function(a){if(void 0!==this.morphTargetDictionary[a])return this.morphTargetDictionary[a];console.log("THREE.Mesh.getMorphTargetIndexByName: morph target "+a+" does not exist. Returning 0.");return 0};
+THREE.Mesh.prototype.clone=function(a){void 0===a&&(a=new THREE.Mesh(this.geometry,this.material));THREE.Object3D.prototype.clone.call(this,a);return a};THREE.Bone=function(a){THREE.Object3D.call(this);this.skin=a;this.skinMatrix=new THREE.Matrix4};THREE.Bone.prototype=Object.create(THREE.Object3D.prototype);
+THREE.Bone.prototype.update=function(a,b){this.matrixAutoUpdate&&(b|=this.updateMatrix());if(b||this.matrixWorldNeedsUpdate)a?this.skinMatrix.multiply(a,this.matrix):this.skinMatrix.copy(this.matrix),this.matrixWorldNeedsUpdate=!1,b=!0;var c,d=this.children.length;for(c=0;c<d;c++)this.children[c].update(this.skinMatrix,b)};
+THREE.SkinnedMesh=function(a,b,c){THREE.Mesh.call(this,a,b);this.useVertexTexture=void 0!==c?c:!0;this.identityMatrix=new THREE.Matrix4;this.bones=[];this.boneMatrices=[];var d,e,f;if(this.geometry&&void 0!==this.geometry.bones){for(a=0;a<this.geometry.bones.length;a++)c=this.geometry.bones[a],d=c.pos,e=c.rotq,f=c.scl,b=this.addBone(),b.name=c.name,b.position.set(d[0],d[1],d[2]),b.quaternion.set(e[0],e[1],e[2],e[3]),b.useQuaternion=!0,void 0!==f?b.scale.set(f[0],f[1],f[2]):b.scale.set(1,1,1);for(a=
+0;a<this.bones.length;a++)c=this.geometry.bones[a],b=this.bones[a],-1===c.parent?this.add(b):this.bones[c.parent].add(b);a=this.bones.length;this.useVertexTexture?(this.boneTextureHeight=this.boneTextureWidth=a=256<a?64:64<a?32:16<a?16:8,this.boneMatrices=new Float32Array(this.boneTextureWidth*this.boneTextureHeight*4),this.boneTexture=new THREE.DataTexture(this.boneMatrices,this.boneTextureWidth,this.boneTextureHeight,THREE.RGBAFormat,THREE.FloatType),this.boneTexture.minFilter=THREE.NearestFilter,
+this.boneTexture.magFilter=THREE.NearestFilter,this.boneTexture.generateMipmaps=!1,this.boneTexture.flipY=!1):this.boneMatrices=new Float32Array(16*a);this.pose()}};THREE.SkinnedMesh.prototype=Object.create(THREE.Mesh.prototype);THREE.SkinnedMesh.prototype.addBone=function(a){void 0===a&&(a=new THREE.Bone(this));this.bones.push(a);return a};
+THREE.SkinnedMesh.prototype.updateMatrixWorld=function(a){this.matrixAutoUpdate&&this.updateMatrix();if(this.matrixWorldNeedsUpdate||a)this.parent?this.matrixWorld.multiply(this.parent.matrixWorld,this.matrix):this.matrixWorld.copy(this.matrix),this.matrixWorldNeedsUpdate=!1;a=0;for(var b=this.children.length;a<b;a++){var c=this.children[a];c instanceof THREE.Bone?c.update(this.identityMatrix,!1):c.updateMatrixWorld(!0)}if(void 0==this.boneInverses)for(this.boneInverses=[],a=0,b=this.bones.length;a<
+b;a++)c=new THREE.Matrix4,c.getInverse(this.bones[a].skinMatrix),this.boneInverses.push(c);a=0;for(b=this.bones.length;a<b;a++)THREE.SkinnedMesh.offsetMatrix.multiply(this.bones[a].skinMatrix,this.boneInverses[a]),THREE.SkinnedMesh.offsetMatrix.flattenToArrayOffset(this.boneMatrices,16*a);this.useVertexTexture&&(this.boneTexture.needsUpdate=!0)};
+THREE.SkinnedMesh.prototype.pose=function(){this.updateMatrixWorld(!0);for(var a=0;a<this.geometry.skinIndices.length;a++){var b=this.geometry.skinWeights[a],c=1/b.lengthManhattan();Infinity!==c?b.multiplyScalar(c):b.set(1)}};THREE.SkinnedMesh.prototype.clone=function(a){void 0===a&&(a=new THREE.SkinnedMesh(this.geometry,this.material,this.useVertexTexture));THREE.Mesh.prototype.clone.call(this,a);return a};THREE.SkinnedMesh.offsetMatrix=new THREE.Matrix4;
+THREE.MorphAnimMesh=function(a,b){THREE.Mesh.call(this,a,b);this.duration=1E3;this.mirroredLoop=!1;this.currentKeyframe=this.lastKeyframe=this.time=0;this.direction=1;this.directionBackwards=!1;this.setFrameRange(0,this.geometry.morphTargets.length-1)};THREE.MorphAnimMesh.prototype=Object.create(THREE.Mesh.prototype);THREE.MorphAnimMesh.prototype.setFrameRange=function(a,b){this.startKeyframe=a;this.endKeyframe=b;this.length=this.endKeyframe-this.startKeyframe+1};
+THREE.MorphAnimMesh.prototype.setDirectionForward=function(){this.direction=1;this.directionBackwards=!1};THREE.MorphAnimMesh.prototype.setDirectionBackward=function(){this.direction=-1;this.directionBackwards=!0};
+THREE.MorphAnimMesh.prototype.parseAnimations=function(){var a=this.geometry;a.animations||(a.animations={});for(var b,c=a.animations,d=/([a-z]+)(\d+)/,e=0,f=a.morphTargets.length;e<f;e++){var g=a.morphTargets[e].name.match(d);if(g&&1<g.length){g=g[1];c[g]||(c[g]={start:Infinity,end:-Infinity});var h=c[g];e<h.start&&(h.start=e);e>h.end&&(h.end=e);b||(b=g)}}a.firstAnimation=b};
+THREE.MorphAnimMesh.prototype.setAnimationLabel=function(a,b,c){this.geometry.animations||(this.geometry.animations={});this.geometry.animations[a]={start:b,end:c}};THREE.MorphAnimMesh.prototype.playAnimation=function(a,b){var c=this.geometry.animations[a];c?(this.setFrameRange(c.start,c.end),this.duration=(c.end-c.start)/b*1E3,this.time=0):console.warn("animation["+a+"] undefined")};
+THREE.MorphAnimMesh.prototype.updateAnimation=function(a){var b=this.duration/this.length;this.time+=this.direction*a;if(this.mirroredLoop){if(this.time>this.duration||0>this.time)this.direction*=-1,this.time>this.duration&&(this.time=this.duration,this.directionBackwards=!0),0>this.time&&(this.time=0,this.directionBackwards=!1)}else this.time%=this.duration,0>this.time&&(this.time+=this.duration);a=this.startKeyframe+THREE.Math.clamp(Math.floor(this.time/b),0,this.length-1);a!==this.currentKeyframe&&
+(this.morphTargetInfluences[this.lastKeyframe]=0,this.morphTargetInfluences[this.currentKeyframe]=1,this.morphTargetInfluences[a]=0,this.lastKeyframe=this.currentKeyframe,this.currentKeyframe=a);b=this.time%b/b;this.directionBackwards&&(b=1-b);this.morphTargetInfluences[this.currentKeyframe]=b;this.morphTargetInfluences[this.lastKeyframe]=1-b};
+THREE.MorphAnimMesh.prototype.clone=function(a){void 0===a&&(a=new THREE.MorphAnimMesh(this.geometry,this.material));a.duration=this.duration;a.mirroredLoop=this.mirroredLoop;a.time=this.time;a.lastKeyframe=this.lastKeyframe;a.currentKeyframe=this.currentKeyframe;a.direction=this.direction;a.directionBackwards=this.directionBackwards;THREE.Mesh.prototype.clone.call(this,a);return a};THREE.Ribbon=function(a,b){THREE.Object3D.call(this);this.geometry=a;this.material=b};THREE.Ribbon.prototype=Object.create(THREE.Object3D.prototype);
+THREE.Ribbon.prototype.clone=function(a){void 0===a&&(a=new THREE.Ribbon(this.geometry,this.material));THREE.Object3D.prototype.clone.call(this,a);return a};THREE.LOD=function(){THREE.Object3D.call(this);this.LODs=[]};THREE.LOD.prototype=Object.create(THREE.Object3D.prototype);THREE.LOD.prototype.addLevel=function(a,b){void 0===b&&(b=0);b=Math.abs(b);for(var c=0;c<this.LODs.length&&!(b<this.LODs[c].visibleAtDistance);c++);this.LODs.splice(c,0,{visibleAtDistance:b,object3D:a});this.add(a)};
+THREE.LOD.prototype.update=function(a){if(1<this.LODs.length){a.matrixWorldInverse.getInverse(a.matrixWorld);a=a.matrixWorldInverse;a=-(a.elements[2]*this.matrixWorld.elements[12]+a.elements[6]*this.matrixWorld.elements[13]+a.elements[10]*this.matrixWorld.elements[14]+a.elements[14]);this.LODs[0].object3D.visible=!0;for(var b=1;b<this.LODs.length;b++)if(a>=this.LODs[b].visibleAtDistance)this.LODs[b-1].object3D.visible=!1,this.LODs[b].object3D.visible=!0;else break;for(;b<this.LODs.length;b++)this.LODs[b].object3D.visible=
+!1}};THREE.LOD.prototype.clone=function(){};
+THREE.Sprite=function(a){THREE.Object3D.call(this);a=a||{};this.color=void 0!==a.color?new THREE.Color(a.color):new THREE.Color(16777215);this.map=void 0!==a.map?a.map:new THREE.Texture;this.blending=void 0!==a.blending?a.blending:THREE.NormalBlending;this.blendSrc=void 0!==a.blendSrc?a.blendSrc:THREE.SrcAlphaFactor;this.blendDst=void 0!==a.blendDst?a.blendDst:THREE.OneMinusSrcAlphaFactor;this.blendEquation=void 0!==a.blendEquation?a.blendEquation:THREE.AddEquation;this.useScreenCoordinates=void 0!==
+a.useScreenCoordinates?a.useScreenCoordinates:!0;this.mergeWith3D=void 0!==a.mergeWith3D?a.mergeWith3D:!this.useScreenCoordinates;this.affectedByDistance=void 0!==a.affectedByDistance?a.affectedByDistance:!this.useScreenCoordinates;this.scaleByViewport=void 0!==a.scaleByViewport?a.scaleByViewport:!this.affectedByDistance;this.alignment=a.alignment instanceof THREE.Vector2?a.alignment:THREE.SpriteAlignment.center.clone();this.fog=void 0!==a.fog?a.fog:!1;this.rotation3d=this.rotation;this.rotation=
+0;this.opacity=1;this.uvOffset=new THREE.Vector2(0,0);this.uvScale=new THREE.Vector2(1,1)};THREE.Sprite.prototype=Object.create(THREE.Object3D.prototype);THREE.Sprite.prototype.updateMatrix=function(){this.matrix.setPosition(this.position);this.rotation3d.set(0,0,this.rotation);this.matrix.setRotationFromEuler(this.rotation3d);if(1!==this.scale.x||1!==this.scale.y)this.matrix.scale(this.scale),this.boundRadiusScale=Math.max(this.scale.x,this.scale.y);this.matrixWorldNeedsUpdate=!0};
+THREE.Sprite.prototype.clone=function(a){void 0===a&&(a=new THREE.Sprite({}));a.color.copy(this.color);a.map=this.map;a.blending=this.blending;a.useScreenCoordinates=this.useScreenCoordinates;a.mergeWith3D=this.mergeWith3D;a.affectedByDistance=this.affectedByDistance;a.scaleByViewport=this.scaleByViewport;a.alignment=this.alignment;a.fog=this.fog;a.rotation3d.copy(this.rotation3d);a.rotation=this.rotation;a.opacity=this.opacity;a.uvOffset.copy(this.uvOffset);a.uvScale.copy(this.uvScale);THREE.Object3D.prototype.clone.call(this,
+a);return a};THREE.SpriteAlignment={};THREE.SpriteAlignment.topLeft=new THREE.Vector2(1,-1);THREE.SpriteAlignment.topCenter=new THREE.Vector2(0,-1);THREE.SpriteAlignment.topRight=new THREE.Vector2(-1,-1);THREE.SpriteAlignment.centerLeft=new THREE.Vector2(1,0);THREE.SpriteAlignment.center=new THREE.Vector2(0,0);THREE.SpriteAlignment.centerRight=new THREE.Vector2(-1,0);THREE.SpriteAlignment.bottomLeft=new THREE.Vector2(1,1);THREE.SpriteAlignment.bottomCenter=new THREE.Vector2(0,1);
+THREE.SpriteAlignment.bottomRight=new THREE.Vector2(-1,1);THREE.Scene=function(){THREE.Object3D.call(this);this.overrideMaterial=this.fog=null;this.matrixAutoUpdate=!1;this.__objects=[];this.__lights=[];this.__objectsAdded=[];this.__objectsRemoved=[]};THREE.Scene.prototype=Object.create(THREE.Object3D.prototype);
+THREE.Scene.prototype.__addObject=function(a){if(a instanceof THREE.Light)-1===this.__lights.indexOf(a)&&this.__lights.push(a),a.target&&void 0===a.target.parent&&this.add(a.target);else if(!(a instanceof THREE.Camera||a instanceof THREE.Bone)&&-1===this.__objects.indexOf(a)){this.__objects.push(a);this.__objectsAdded.push(a);var b=this.__objectsRemoved.indexOf(a);-1!==b&&this.__objectsRemoved.splice(b,1)}for(b=0;b<a.children.length;b++)this.__addObject(a.children[b])};
+THREE.Scene.prototype.__removeObject=function(a){if(a instanceof THREE.Light){var b=this.__lights.indexOf(a);-1!==b&&this.__lights.splice(b,1)}else a instanceof THREE.Camera||(b=this.__objects.indexOf(a),-1!==b&&(this.__objects.splice(b,1),this.__objectsRemoved.push(a),b=this.__objectsAdded.indexOf(a),-1!==b&&this.__objectsAdded.splice(b,1)));for(b=0;b<a.children.length;b++)this.__removeObject(a.children[b])};
+THREE.Fog=function(a,b,c){this.name="";this.color=new THREE.Color(a);this.near=void 0!==b?b:1;this.far=void 0!==c?c:1E3};THREE.Fog.prototype.clone=function(){return new THREE.Fog(this.color.getHex(),this.near,this.far)};THREE.FogExp2=function(a,b){this.name="";this.color=new THREE.Color(a);this.density=void 0!==b?b:2.5E-4};THREE.FogExp2.prototype.clone=function(){return new THREE.FogExp2(this.color.getHex(),this.density)};
+THREE.CanvasRenderer=function(a){function b(a){A!==a&&(A=w.globalAlpha=a)}function c(a){C!==a&&(a===THREE.NormalBlending?w.globalCompositeOperation="source-over":a===THREE.AdditiveBlending?w.globalCompositeOperation="lighter":a===THREE.SubtractiveBlending&&(w.globalCompositeOperation="darker"),C=a)}function d(a){B!==a&&(B=w.strokeStyle=a)}function e(a){z!==a&&(z=w.fillStyle=a)}console.log("THREE.CanvasRenderer",THREE.REVISION);a=a||{};var f=this,g,h,l,k=new THREE.Projector,q=void 0!==a.canvas?a.canvas:
+document.createElement("canvas"),s,t,v,u,w=q.getContext("2d"),x=new THREE.Color(0),y=0,A=1,C=0,B=null,z=null,D=null,I=null,J=null,F,K,L,H,T=new THREE.RenderableVertex,R=new THREE.RenderableVertex,m,O,W,P,ha,ca,oa,S,Da,N,da,Q,U=new THREE.Color,ia=new THREE.Color,ba=new THREE.Color,ga=new THREE.Color,ea=new THREE.Color,V=new THREE.Color,ka=new THREE.Color,ta={},ma={},pa,Ga,Aa,ua,ob,jb,eb,kb,Jb,Hb,lb=new THREE.Rectangle,za=new THREE.Rectangle,va=new THREE.Rectangle,fb=!1,Ha=new THREE.Color,qb=new THREE.Color,
+Za=new THREE.Color,Ia=new THREE.Vector3,gb,$a,rb,Ba,wa,sb;a=16;gb=document.createElement("canvas");gb.width=gb.height=2;$a=gb.getContext("2d");$a.fillStyle="rgba(0,0,0,1)";$a.fillRect(0,0,2,2);rb=$a.getImageData(0,0,2,2);Ba=rb.data;wa=document.createElement("canvas");wa.width=wa.height=a;sb=wa.getContext("2d");sb.translate(-a/2,-a/2);sb.scale(a,a);a--;this.domElement=q;this.sortElements=this.sortObjects=this.autoClear=!0;this.info={render:{vertices:0,faces:0}};this.setSize=function(a,b){s=a;t=b;v=
+Math.floor(s/2);u=Math.floor(t/2);q.width=s;q.height=t;lb.set(-v,-u,v,u);za.set(-v,-u,v,u);A=1;C=0;J=I=D=z=B=null};this.setClearColor=function(a,b){x.copy(a);y=void 0!==b?b:1;za.set(-v,-u,v,u)};this.setClearColorHex=function(a,b){x.setHex(a);y=void 0!==b?b:1;za.set(-v,-u,v,u)};this.getMaxAnisotropy=function(){return 0};this.clear=function(){w.setTransform(1,0,0,-1,v,u);!1===za.isEmpty()&&(za.minSelf(lb),za.inflate(2),1>y&&w.clearRect(Math.floor(za.getX()),Math.floor(za.getY()),Math.floor(za.getWidth()),
+Math.floor(za.getHeight())),0<y&&(c(THREE.NormalBlending),b(1),e("rgba("+Math.floor(255*x.r)+","+Math.floor(255*x.g)+","+Math.floor(255*x.b)+","+y+")"),w.fillRect(Math.floor(za.getX()),Math.floor(za.getY()),Math.floor(za.getWidth()),Math.floor(za.getHeight()))),za.empty())};this.render=function(a,q){function s(){Ha.setRGB(0,0,0);qb.setRGB(0,0,0);Za.setRGB(0,0,0);for(var a=0,b=l.length;a<b;a++){var c=l[a],d=c.color;c instanceof THREE.AmbientLight?(Ha.r+=d.r,Ha.g+=d.g,Ha.b+=d.b):c instanceof THREE.DirectionalLight?
+(qb.r+=d.r,qb.g+=d.g,qb.b+=d.b):c instanceof THREE.PointLight&&(Za.r+=d.r,Za.g+=d.g,Za.b+=d.b)}}function t(a,b,c){for(var d=0,e=l.length;d<e;d++){var f=l[d],g=f.color;if(f instanceof THREE.DirectionalLight){var h=f.matrixWorld.getPosition().normalize(),k=b.dot(h);0>=k||(k*=f.intensity,c.r+=g.r*k,c.g+=g.g*k,c.b+=g.b*k)}else f instanceof THREE.PointLight&&(h=f.matrixWorld.getPosition(),k=b.dot(Ia.sub(h,a).normalize()),0>=k||(k*=0==f.distance?1:1-Math.min(a.distanceTo(h)/f.distance,1),0!=k&&(k*=f.intensity,
+c.r+=g.r*k,c.g+=g.g*k,c.b+=g.b*k)))}}function x(a,f,g,h){b(g.opacity);c(g.blending);var l,k,m,q,r;g instanceof THREE.ParticleBasicMaterial?null===g.map?(k=f.object.scale.x,m=f.object.scale.y,k=k*f.scale.x*v,m=m*f.scale.y*u,va.set(a.x-k,a.y-m,a.x+k,a.y+m),!1!==lb.intersects(va)&&(e(g.color.getContextStyle()),w.save(),w.translate(a.x,a.y),w.rotate(-f.rotation),w.scale(k,m),w.fillRect(-1,-1,2,2),w.restore())):(g=g.map.image,q=g.width>>1,r=g.height>>1,k=f.scale.x*v,m=f.scale.y*u,h=k*q,l=m*r,va.set(a.x-
+h,a.y-l,a.x+h,a.y+l),!1!==lb.intersects(va)&&(w.save(),w.translate(a.x,a.y),w.rotate(-f.rotation),w.scale(k,-m),w.translate(-q,-r),w.drawImage(g,0,0),w.restore())):g instanceof THREE.ParticleCanvasMaterial&&(h=f.scale.x*v,l=f.scale.y*u,va.set(a.x-h,a.y-l,a.x+h,a.y+l),!1!==lb.intersects(va)&&(d(g.color.getContextStyle()),e(g.color.getContextStyle()),w.save(),w.translate(a.x,a.y),w.rotate(-f.rotation),w.scale(h,l),g.program(w),w.restore()))}function y(a,e,f,g,h){b(g.opacity);c(g.blending);w.beginPath();
+w.moveTo(a.positionScreen.x,a.positionScreen.y);w.lineTo(e.positionScreen.x,e.positionScreen.y);g instanceof THREE.LineBasicMaterial&&(a=g.linewidth,D!==a&&(D=w.lineWidth=a),a=g.linecap,I!==a&&(I=w.lineCap=a),a=g.linejoin,J!==a&&(J=w.lineJoin=a),d(g.color.getContextStyle()),w.stroke(),va.inflate(2*g.linewidth))}function z(a,d,e,g,h,l,k,s,v){f.info.render.vertices+=3;f.info.render.faces++;b(s.opacity);c(s.blending);m=a.positionScreen.x;O=a.positionScreen.y;W=d.positionScreen.x;P=d.positionScreen.y;
+ha=e.positionScreen.x;ca=e.positionScreen.y;C(m,O,W,P,ha,ca);(s instanceof THREE.MeshLambertMaterial||s instanceof THREE.MeshPhongMaterial)&&null===s.map&&null===s.map?(V.copy(s.color),ka.copy(s.emissive),s.vertexColors===THREE.FaceColors&&(V.r*=k.color.r,V.g*=k.color.g,V.b*=k.color.b),!0===fb?!1===s.wireframe&&s.shading==THREE.SmoothShading&&3==k.vertexNormalsLength?(ia.r=ba.r=ga.r=Ha.r,ia.g=ba.g=ga.g=Ha.g,ia.b=ba.b=ga.b=Ha.b,t(k.v1.positionWorld,k.vertexNormalsWorld[0],ia),t(k.v2.positionWorld,
+k.vertexNormalsWorld[1],ba),t(k.v3.positionWorld,k.vertexNormalsWorld[2],ga),ia.r=ia.r*V.r+ka.r,ia.g=ia.g*V.g+ka.g,ia.b=ia.b*V.b+ka.b,ba.r=ba.r*V.r+ka.r,ba.g=ba.g*V.g+ka.g,ba.b=ba.b*V.b+ka.b,ga.r=ga.r*V.r+ka.r,ga.g=ga.g*V.g+ka.g,ga.b=ga.b*V.b+ka.b,ea.r=0.5*(ba.r+ga.r),ea.g=0.5*(ba.g+ga.g),ea.b=0.5*(ba.b+ga.b),Aa=nc(ia,ba,ga,ea),Zb(m,O,W,P,ha,ca,0,0,1,0,0,1,Aa)):(U.r=Ha.r,U.g=Ha.g,U.b=Ha.b,t(k.centroidWorld,k.normalWorld,U),U.r=U.r*V.r+ka.r,U.g=U.g*V.g+ka.g,U.b=U.b*V.b+ka.b,!0===s.wireframe?Ua(U,s.wireframeLinewidth,
+s.wireframeLinecap,s.wireframeLinejoin):ub(U)):!0===s.wireframe?Ua(s.color,s.wireframeLinewidth,s.wireframeLinecap,s.wireframeLinejoin):ub(s.color)):s instanceof THREE.MeshBasicMaterial||s instanceof THREE.MeshLambertMaterial||s instanceof THREE.MeshPhongMaterial?null!==s.map?s.map.mapping instanceof THREE.UVMapping&&(ua=k.uvs[0],wc(m,O,W,P,ha,ca,ua[g].u,ua[g].v,ua[h].u,ua[h].v,ua[l].u,ua[l].v,s.map)):null!==s.envMap?s.envMap.mapping instanceof THREE.SphericalReflectionMapping&&(a=q.matrixWorldInverse,
+Ia.copy(k.vertexNormalsWorld[g]),ob=0.5*(Ia.x*a.elements[0]+Ia.y*a.elements[4]+Ia.z*a.elements[8])+0.5,jb=0.5*(Ia.x*a.elements[1]+Ia.y*a.elements[5]+Ia.z*a.elements[9])+0.5,Ia.copy(k.vertexNormalsWorld[h]),eb=0.5*(Ia.x*a.elements[0]+Ia.y*a.elements[4]+Ia.z*a.elements[8])+0.5,kb=0.5*(Ia.x*a.elements[1]+Ia.y*a.elements[5]+Ia.z*a.elements[9])+0.5,Ia.copy(k.vertexNormalsWorld[l]),Jb=0.5*(Ia.x*a.elements[0]+Ia.y*a.elements[4]+Ia.z*a.elements[8])+0.5,Hb=0.5*(Ia.x*a.elements[1]+Ia.y*a.elements[5]+Ia.z*a.elements[9])+
+0.5,wc(m,O,W,P,ha,ca,ob,jb,eb,kb,Jb,Hb,s.envMap)):(U.copy(s.color),s.vertexColors===THREE.FaceColors&&(U.r*=k.color.r,U.g*=k.color.g,U.b*=k.color.b),!0===s.wireframe?Ua(U,s.wireframeLinewidth,s.wireframeLinecap,s.wireframeLinejoin):ub(U)):s instanceof THREE.MeshDepthMaterial?(pa=q.near,Ga=q.far,ia.r=ia.g=ia.b=1-$b(a.positionScreen.z,pa,Ga),ba.r=ba.g=ba.b=1-$b(d.positionScreen.z,pa,Ga),ga.r=ga.g=ga.b=1-$b(e.positionScreen.z,pa,Ga),ea.r=0.5*(ba.r+ga.r),ea.g=0.5*(ba.g+ga.g),ea.b=0.5*(ba.b+ga.b),Aa=nc(ia,
+ba,ga,ea),Zb(m,O,W,P,ha,ca,0,0,1,0,0,1,Aa)):s instanceof THREE.MeshNormalMaterial&&(U.r=ac(k.normalWorld.x),U.g=ac(k.normalWorld.y),U.b=ac(k.normalWorld.z),!0===s.wireframe?Ua(U,s.wireframeLinewidth,s.wireframeLinecap,s.wireframeLinejoin):ub(U))}function A(a,d,e,g,h,l,k,s,v){f.info.render.vertices+=4;f.info.render.faces++;b(s.opacity);c(s.blending);void 0!==s.map&&null!==s.map||void 0!==s.envMap&&null!==s.envMap?(z(a,d,g,0,1,3,k,s,v),z(h,e,l,1,2,3,k,s,v)):(m=a.positionScreen.x,O=a.positionScreen.y,
+W=d.positionScreen.x,P=d.positionScreen.y,ha=e.positionScreen.x,ca=e.positionScreen.y,oa=g.positionScreen.x,S=g.positionScreen.y,Da=h.positionScreen.x,N=h.positionScreen.y,da=l.positionScreen.x,Q=l.positionScreen.y,s instanceof THREE.MeshLambertMaterial||s instanceof THREE.MeshPhongMaterial?(V.copy(s.color),ka.copy(s.emissive),s.vertexColors===THREE.FaceColors&&(V.r*=k.color.r,V.g*=k.color.g,V.b*=k.color.b),!0===fb?!1===s.wireframe&&s.shading==THREE.SmoothShading&&4==k.vertexNormalsLength?(ia.r=ba.r=
+ga.r=ea.r=Ha.r,ia.g=ba.g=ga.g=ea.g=Ha.g,ia.b=ba.b=ga.b=ea.b=Ha.b,t(k.v1.positionWorld,k.vertexNormalsWorld[0],ia),t(k.v2.positionWorld,k.vertexNormalsWorld[1],ba),t(k.v4.positionWorld,k.vertexNormalsWorld[3],ga),t(k.v3.positionWorld,k.vertexNormalsWorld[2],ea),ia.r=ia.r*V.r+ka.r,ia.g=ia.g*V.g+ka.g,ia.b=ia.b*V.b+ka.b,ba.r=ba.r*V.r+ka.r,ba.g=ba.g*V.g+ka.g,ba.b=ba.b*V.b+ka.b,ga.r=ga.r*V.r+ka.r,ga.g=ga.g*V.g+ka.g,ga.b=ga.b*V.b+ka.b,ea.r=ea.r*V.r+ka.r,ea.g=ea.g*V.g+ka.g,ea.b=ea.b*V.b+ka.b,Aa=nc(ia,ba,
+ga,ea),C(m,O,W,P,oa,S),Zb(m,O,W,P,oa,S,0,0,1,0,0,1,Aa),C(Da,N,ha,ca,da,Q),Zb(Da,N,ha,ca,da,Q,1,0,1,1,0,1,Aa)):(U.r=Ha.r,U.g=Ha.g,U.b=Ha.b,t(k.centroidWorld,k.normalWorld,U),U.r=U.r*V.r+ka.r,U.g=U.g*V.g+ka.g,U.b=U.b*V.b+ka.b,B(m,O,W,P,ha,ca,oa,S),!0===s.wireframe?Ua(U,s.wireframeLinewidth,s.wireframeLinecap,s.wireframeLinejoin):ub(U)):(U.r=V.r+ka.r,U.g=V.g+ka.g,U.b=V.b+ka.b,B(m,O,W,P,ha,ca,oa,S),!0===s.wireframe?Ua(U,s.wireframeLinewidth,s.wireframeLinecap,s.wireframeLinejoin):ub(U))):s instanceof
+THREE.MeshBasicMaterial?(U.copy(s.color),s.vertexColors===THREE.FaceColors&&(U.r*=k.color.r,U.g*=k.color.g,U.b*=k.color.b),B(m,O,W,P,ha,ca,oa,S),!0===s.wireframe?Ua(U,s.wireframeLinewidth,s.wireframeLinecap,s.wireframeLinejoin):ub(U)):s instanceof THREE.MeshNormalMaterial?(U.r=ac(k.normalWorld.x),U.g=ac(k.normalWorld.y),U.b=ac(k.normalWorld.z),B(m,O,W,P,ha,ca,oa,S),!0===s.wireframe?Ua(U,s.wireframeLinewidth,s.wireframeLinecap,s.wireframeLinejoin):ub(U)):s instanceof THREE.MeshDepthMaterial&&(pa=q.near,
+Ga=q.far,ia.r=ia.g=ia.b=1-$b(a.positionScreen.z,pa,Ga),ba.r=ba.g=ba.b=1-$b(d.positionScreen.z,pa,Ga),ga.r=ga.g=ga.b=1-$b(g.positionScreen.z,pa,Ga),ea.r=ea.g=ea.b=1-$b(e.positionScreen.z,pa,Ga),Aa=nc(ia,ba,ga,ea),C(m,O,W,P,oa,S),Zb(m,O,W,P,oa,S,0,0,1,0,0,1,Aa),C(Da,N,ha,ca,da,Q),Zb(Da,N,ha,ca,da,Q,1,0,1,1,0,1,Aa)))}function C(a,b,c,d,e,f){w.beginPath();w.moveTo(a,b);w.lineTo(c,d);w.lineTo(e,f);w.closePath()}function B(a,b,c,d,e,f,g,h){w.beginPath();w.moveTo(a,b);w.lineTo(c,d);w.lineTo(e,f);w.lineTo(g,
+h);w.closePath()}function Ua(a,b,c,e){D!==b&&(D=w.lineWidth=b);I!==c&&(I=w.lineCap=c);J!==e&&(J=w.lineJoin=e);d(a.getContextStyle());w.stroke();va.inflate(2*b)}function ub(a){e(a.getContextStyle());w.fill()}function wc(a,b,c,d,f,g,h,k,l,m,q,r,s){if(!(s instanceof THREE.DataTexture||void 0===s.image||0==s.image.width)){if(!0===s.needsUpdate){var t=s.wrapS==THREE.RepeatWrapping,Ua=s.wrapT==THREE.RepeatWrapping;ta[s.id]=w.createPattern(s.image,!0===t&&!0===Ua?"repeat":!0===t&&!1===Ua?"repeat-x":!1===
+t&&!0===Ua?"repeat-y":"no-repeat");s.needsUpdate=!1}void 0===ta[s.id]?e("rgba(0,0,0,1)"):e(ta[s.id]);var t=s.offset.x/s.repeat.x,Ua=s.offset.y/s.repeat.y,v=s.image.width*s.repeat.x,u=s.image.height*s.repeat.y;h=(h+t)*v;k=(1-k+Ua)*u;c-=a;d-=b;f-=a;g-=b;l=(l+t)*v-h;m=(1-m+Ua)*u-k;q=(q+t)*v-h;r=(1-r+Ua)*u-k;t=l*r-q*m;0===t?(void 0===ma[s.id]&&(b=document.createElement("canvas"),b.width=s.image.width,b.height=s.image.height,b=b.getContext("2d"),b.drawImage(s.image,0,0),ma[s.id]=b.getImageData(0,0,s.image.width,
+s.image.height).data),b=ma[s.id],h=4*(Math.floor(h)+Math.floor(k)*s.image.width),U.setRGB(b[h]/255,b[h+1]/255,b[h+2]/255),ub(U)):(t=1/t,s=(r*c-m*f)*t,m=(r*d-m*g)*t,c=(l*f-q*c)*t,d=(l*g-q*d)*t,a=a-s*h-c*k,h=b-m*h-d*k,w.save(),w.transform(s,m,c,d,a,h),w.fill(),w.restore())}}function Zb(a,b,c,d,e,f,g,h,k,l,m,q,s){var r,t;r=s.width-1;t=s.height-1;g*=r;h*=t;c-=a;d-=b;e-=a;f-=b;k=k*r-g;l=l*t-h;m=m*r-g;q=q*t-h;t=1/(k*q-m*l);r=(q*c-l*e)*t;l=(q*d-l*f)*t;c=(k*e-m*c)*t;d=(k*f-m*d)*t;a=a-r*g-c*h;b=b-l*g-d*h;
+w.save();w.transform(r,l,c,d,a,b);w.clip();w.drawImage(s,0,0);w.restore()}function nc(a,b,c,d){Ba[0]=255*a.r|0;Ba[1]=255*a.g|0;Ba[2]=255*a.b|0;Ba[4]=255*b.r|0;Ba[5]=255*b.g|0;Ba[6]=255*b.b|0;Ba[8]=255*c.r|0;Ba[9]=255*c.g|0;Ba[10]=255*c.b|0;Ba[12]=255*d.r|0;Ba[13]=255*d.g|0;Ba[14]=255*d.b|0;$a.putImageData(rb,0,0);sb.drawImage(gb,0,0);return wa}function $b(a,b,c){a=(a-b)/(c-b);return a*a*(3-2*a)}function ac(a){a=0.5*(a+1);return 0>a?0:1<a?1:a}function Mb(a,b){var c=b.x-a.x,d=b.y-a.y,e=c*c+d*d;0!==
+e&&(e=1/Math.sqrt(e),c*=e,d*=e,b.x+=c,b.y+=d,a.x-=c,a.y-=d)}if(!1===q instanceof THREE.Camera)console.error("THREE.CanvasRenderer.render: camera is not an instance of THREE.Camera.");else{var pc,Gc,ab,Kb;!0===this.autoClear?this.clear():w.setTransform(1,0,0,-1,v,u);f.info.render.vertices=0;f.info.render.faces=0;g=k.projectScene(a,q,this.sortObjects,this.sortElements);h=g.elements;l=g.lights;fb=0<l.length;!0===fb&&s();pc=0;for(Gc=h.length;pc<Gc;pc++)ab=h[pc],Kb=ab.material,void 0!==Kb&&!1!==Kb.visible&&
+(va.empty(),ab instanceof THREE.RenderableParticle?(F=ab,F.x*=v,F.y*=u,x(F,ab,Kb,a)):ab instanceof THREE.RenderableLine?(F=ab.v1,K=ab.v2,F.positionScreen.x*=v,F.positionScreen.y*=u,K.positionScreen.x*=v,K.positionScreen.y*=u,va.addPoint(F.positionScreen.x,F.positionScreen.y),va.addPoint(K.positionScreen.x,K.positionScreen.y),!0===lb.intersects(va)&&y(F,K,ab,Kb,a)):ab instanceof THREE.RenderableFace3?(F=ab.v1,K=ab.v2,L=ab.v3,F.positionScreen.x*=v,F.positionScreen.y*=u,K.positionScreen.x*=v,K.positionScreen.y*=
+u,L.positionScreen.x*=v,L.positionScreen.y*=u,!0===Kb.overdraw&&(Mb(F.positionScreen,K.positionScreen),Mb(K.positionScreen,L.positionScreen),Mb(L.positionScreen,F.positionScreen)),va.add3Points(F.positionScreen.x,F.positionScreen.y,K.positionScreen.x,K.positionScreen.y,L.positionScreen.x,L.positionScreen.y),!0===lb.intersects(va)&&z(F,K,L,0,1,2,ab,Kb,a)):ab instanceof THREE.RenderableFace4&&(F=ab.v1,K=ab.v2,L=ab.v3,H=ab.v4,F.positionScreen.x*=v,F.positionScreen.y*=u,K.positionScreen.x*=v,K.positionScreen.y*=
+u,L.positionScreen.x*=v,L.positionScreen.y*=u,H.positionScreen.x*=v,H.positionScreen.y*=u,T.positionScreen.copy(K.positionScreen),R.positionScreen.copy(H.positionScreen),!0===Kb.overdraw&&(Mb(F.positionScreen,K.positionScreen),Mb(K.positionScreen,H.positionScreen),Mb(H.positionScreen,F.positionScreen),Mb(L.positionScreen,T.positionScreen),Mb(L.positionScreen,R.positionScreen)),va.addPoint(F.positionScreen.x,F.positionScreen.y),va.addPoint(K.positionScreen.x,K.positionScreen.y),va.addPoint(L.positionScreen.x,
+L.positionScreen.y),va.addPoint(H.positionScreen.x,H.positionScreen.y),!0===lb.intersects(va)&&A(F,K,L,H,T,R,ab,Kb,a)),za.addRectangle(va));w.setTransform(1,0,0,1,0,0)}}};
+THREE.ShaderChunk={fog_pars_fragment:"#ifdef USE_FOG\nuniform vec3 fogColor;\n#ifdef FOG_EXP2\nuniform float fogDensity;\n#else\nuniform float fogNear;\nuniform float fogFar;\n#endif\n#endif",fog_fragment:"#ifdef USE_FOG\nfloat depth = gl_FragCoord.z / gl_FragCoord.w;\n#ifdef FOG_EXP2\nconst float LOG2 = 1.442695;\nfloat fogFactor = exp2( - fogDensity * fogDensity * depth * depth * LOG2 );\nfogFactor = 1.0 - clamp( fogFactor, 0.0, 1.0 );\n#else\nfloat fogFactor = smoothstep( fogNear, fogFar, depth );\n#endif\ngl_FragColor = mix( gl_FragColor, vec4( fogColor, gl_FragColor.w ), fogFactor );\n#endif",envmap_pars_fragment:"#ifdef USE_ENVMAP\nuniform float reflectivity;\nuniform samplerCube envMap;\nuniform float flipEnvMap;\nuniform int combine;\n#if defined( USE_BUMPMAP ) || defined( USE_NORMALMAP )\nuniform bool useRefract;\nuniform float refractionRatio;\n#else\nvarying vec3 vReflect;\n#endif\n#endif",
+envmap_fragment:"#ifdef USE_ENVMAP\nvec3 reflectVec;\n#if defined( USE_BUMPMAP ) || defined( USE_NORMALMAP )\nvec3 cameraToVertex = normalize( vWorldPosition - cameraPosition );\nif ( useRefract ) {\nreflectVec = refract( cameraToVertex, normal, refractionRatio );\n} else { \nreflectVec = reflect( cameraToVertex, normal );\n}\n#else\nreflectVec = vReflect;\n#endif\n#ifdef DOUBLE_SIDED\nfloat flipNormal = ( -1.0 + 2.0 * float( gl_FrontFacing ) );\nvec4 cubeColor = textureCube( envMap, flipNormal * vec3( flipEnvMap * reflectVec.x, reflectVec.yz ) );\n#else\nvec4 cubeColor = textureCube( envMap, vec3( flipEnvMap * reflectVec.x, reflectVec.yz ) );\n#endif\n#ifdef GAMMA_INPUT\ncubeColor.xyz *= cubeColor.xyz;\n#endif\nif ( combine == 1 ) {\ngl_FragColor.xyz = mix( gl_FragColor.xyz, cubeColor.xyz, specularStrength * reflectivity );\n} else if ( combine == 2 ) {\ngl_FragColor.xyz += cubeColor.xyz * specularStrength * reflectivity;\n} else {\ngl_FragColor.xyz = mix( gl_FragColor.xyz, gl_FragColor.xyz * cubeColor.xyz, specularStrength * reflectivity );\n}\n#endif",
+envmap_pars_vertex:"#if defined( USE_ENVMAP ) && ! defined( USE_BUMPMAP ) && ! defined( USE_NORMALMAP )\nvarying vec3 vReflect;\nuniform float refractionRatio;\nuniform bool useRefract;\n#endif",worldpos_vertex:"#if defined( USE_ENVMAP ) || defined( PHONG ) || defined( LAMBERT ) || defined ( USE_SHADOWMAP )\n#ifdef USE_SKINNING\nvec4 worldPosition = modelMatrix * skinned;\n#endif\n#if defined( USE_MORPHTARGETS ) && ! defined( USE_SKINNING )\nvec4 worldPosition = modelMatrix * vec4( morphed, 1.0 );\n#endif\n#if ! defined( USE_MORPHTARGETS ) && ! defined( USE_SKINNING )\nvec4 worldPosition = modelMatrix * vec4( position, 1.0 );\n#endif\n#endif",
+envmap_vertex:"#if defined( USE_ENVMAP ) && ! defined( USE_BUMPMAP ) && ! defined( USE_NORMALMAP )\nvec3 worldNormal = mat3( modelMatrix[ 0 ].xyz, modelMatrix[ 1 ].xyz, modelMatrix[ 2 ].xyz ) * objectNormal;\nworldNormal = normalize( worldNormal );\nvec3 cameraToVertex = normalize( worldPosition.xyz - cameraPosition );\nif ( useRefract ) {\nvReflect = refract( cameraToVertex, worldNormal, refractionRatio );\n} else {\nvReflect = reflect( cameraToVertex, worldNormal );\n}\n#endif",map_particle_pars_fragment:"#ifdef USE_MAP\nuniform sampler2D map;\n#endif",
+map_particle_fragment:"#ifdef USE_MAP\ngl_FragColor = gl_FragColor * texture2D( map, vec2( gl_PointCoord.x, 1.0 - gl_PointCoord.y ) );\n#endif",map_pars_vertex:"#if defined( USE_MAP ) || defined( USE_BUMPMAP ) || defined( USE_NORMALMAP ) || defined( USE_SPECULARMAP )\nvarying vec2 vUv;\nuniform vec4 offsetRepeat;\n#endif",map_pars_fragment:"#if defined( USE_MAP ) || defined( USE_BUMPMAP ) || defined( USE_NORMALMAP ) || defined( USE_SPECULARMAP )\nvarying vec2 vUv;\n#endif\n#ifdef USE_MAP\nuniform sampler2D map;\n#endif",
+map_vertex:"#if defined( USE_MAP ) || defined( USE_BUMPMAP ) || defined( USE_NORMALMAP ) || defined( USE_SPECULARMAP )\nvUv = uv * offsetRepeat.zw + offsetRepeat.xy;\n#endif",map_fragment:"#ifdef USE_MAP\n#ifdef GAMMA_INPUT\nvec4 texelColor = texture2D( map, vUv );\ntexelColor.xyz *= texelColor.xyz;\ngl_FragColor = gl_FragColor * texelColor;\n#else\ngl_FragColor = gl_FragColor * texture2D( map, vUv );\n#endif\n#endif",lightmap_pars_fragment:"#ifdef USE_LIGHTMAP\nvarying vec2 vUv2;\nuniform sampler2D lightMap;\n#endif",
+lightmap_pars_vertex:"#ifdef USE_LIGHTMAP\nvarying vec2 vUv2;\n#endif",lightmap_fragment:"#ifdef USE_LIGHTMAP\ngl_FragColor = gl_FragColor * texture2D( lightMap, vUv2 );\n#endif",lightmap_vertex:"#ifdef USE_LIGHTMAP\nvUv2 = uv2;\n#endif",bumpmap_pars_fragment:"#ifdef USE_BUMPMAP\nuniform sampler2D bumpMap;\nuniform float bumpScale;\nvec2 dHdxy_fwd() {\nvec2 dSTdx = dFdx( vUv );\nvec2 dSTdy = dFdy( vUv );\nfloat Hll = bumpScale * texture2D( bumpMap, vUv ).x;\nfloat dBx = bumpScale * texture2D( bumpMap, vUv + dSTdx ).x - Hll;\nfloat dBy = bumpScale * texture2D( bumpMap, vUv + dSTdy ).x - Hll;\nreturn vec2( dBx, dBy );\n}\nvec3 perturbNormalArb( vec3 surf_pos, vec3 surf_norm, vec2 dHdxy ) {\nvec3 vSigmaX = dFdx( surf_pos );\nvec3 vSigmaY = dFdy( surf_pos );\nvec3 vN = surf_norm;\nvec3 R1 = cross( vSigmaY, vN );\nvec3 R2 = cross( vN, vSigmaX );\nfloat fDet = dot( vSigmaX, R1 );\nvec3 vGrad = sign( fDet ) * ( dHdxy.x * R1 + dHdxy.y * R2 );\nreturn normalize( abs( fDet ) * surf_norm - vGrad );\n}\n#endif",
+normalmap_pars_fragment:"#ifdef USE_NORMALMAP\nuniform sampler2D normalMap;\nuniform vec2 normalScale;\nvec3 perturbNormal2Arb( vec3 eye_pos, vec3 surf_norm ) {\nvec3 q0 = dFdx( eye_pos.xyz );\nvec3 q1 = dFdy( eye_pos.xyz );\nvec2 st0 = dFdx( vUv.st );\nvec2 st1 = dFdy( vUv.st );\nvec3 S = normalize(  q0 * st1.t - q1 * st0.t );\nvec3 T = normalize( -q0 * st1.s + q1 * st0.s );\nvec3 N = normalize( surf_norm );\nvec3 mapN = texture2D( normalMap, vUv ).xyz * 2.0 - 1.0;\nmapN.xy = normalScale * mapN.xy;\nmat3 tsn = mat3( S, T, N );\nreturn normalize( tsn * mapN );\n}\n#endif",
+specularmap_pars_fragment:"#ifdef USE_SPECULARMAP\nuniform sampler2D specularMap;\n#endif",specularmap_fragment:"float specularStrength;\n#ifdef USE_SPECULARMAP\nvec4 texelSpecular = texture2D( specularMap, vUv );\nspecularStrength = texelSpecular.r;\n#else\nspecularStrength = 1.0;\n#endif",lights_lambert_pars_vertex:"uniform vec3 ambient;\nuniform vec3 diffuse;\nuniform vec3 emissive;\nuniform vec3 ambientLightColor;\n#if MAX_DIR_LIGHTS > 0\nuniform vec3 directionalLightColor[ MAX_DIR_LIGHTS ];\nuniform vec3 directionalLightDirection[ MAX_DIR_LIGHTS ];\n#endif\n#if MAX_HEMI_LIGHTS > 0\nuniform vec3 hemisphereLightSkyColor[ MAX_HEMI_LIGHTS ];\nuniform vec3 hemisphereLightGroundColor[ MAX_HEMI_LIGHTS ];\nuniform vec3 hemisphereLightDirection[ MAX_HEMI_LIGHTS ];\n#endif\n#if MAX_POINT_LIGHTS > 0\nuniform vec3 pointLightColor[ MAX_POINT_LIGHTS ];\nuniform vec3 pointLightPosition[ MAX_POINT_LIGHTS ];\nuniform float pointLightDistance[ MAX_POINT_LIGHTS ];\n#endif\n#if MAX_SPOT_LIGHTS > 0\nuniform vec3 spotLightColor[ MAX_SPOT_LIGHTS ];\nuniform vec3 spotLightPosition[ MAX_SPOT_LIGHTS ];\nuniform vec3 spotLightDirection[ MAX_SPOT_LIGHTS ];\nuniform float spotLightDistance[ MAX_SPOT_LIGHTS ];\nuniform float spotLightAngleCos[ MAX_SPOT_LIGHTS ];\nuniform float spotLightExponent[ MAX_SPOT_LIGHTS ];\n#endif\n#ifdef WRAP_AROUND\nuniform vec3 wrapRGB;\n#endif",
+lights_lambert_vertex:"vLightFront = vec3( 0.0 );\n#ifdef DOUBLE_SIDED\nvLightBack = vec3( 0.0 );\n#endif\ntransformedNormal = normalize( transformedNormal );\n#if MAX_DIR_LIGHTS > 0\nfor( int i = 0; i < MAX_DIR_LIGHTS; i ++ ) {\nvec4 lDirection = viewMatrix * vec4( directionalLightDirection[ i ], 0.0 );\nvec3 dirVector = normalize( lDirection.xyz );\nfloat dotProduct = dot( transformedNormal, dirVector );\nvec3 directionalLightWeighting = vec3( max( dotProduct, 0.0 ) );\n#ifdef DOUBLE_SIDED\nvec3 directionalLightWeightingBack = vec3( max( -dotProduct, 0.0 ) );\n#ifdef WRAP_AROUND\nvec3 directionalLightWeightingHalfBack = vec3( max( -0.5 * dotProduct + 0.5, 0.0 ) );\n#endif\n#endif\n#ifdef WRAP_AROUND\nvec3 directionalLightWeightingHalf = vec3( max( 0.5 * dotProduct + 0.5, 0.0 ) );\ndirectionalLightWeighting = mix( directionalLightWeighting, directionalLightWeightingHalf, wrapRGB );\n#ifdef DOUBLE_SIDED\ndirectionalLightWeightingBack = mix( directionalLightWeightingBack, directionalLightWeightingHalfBack, wrapRGB );\n#endif\n#endif\nvLightFront += directionalLightColor[ i ] * directionalLightWeighting;\n#ifdef DOUBLE_SIDED\nvLightBack += directionalLightColor[ i ] * directionalLightWeightingBack;\n#endif\n}\n#endif\n#if MAX_POINT_LIGHTS > 0\nfor( int i = 0; i < MAX_POINT_LIGHTS; i ++ ) {\nvec4 lPosition = viewMatrix * vec4( pointLightPosition[ i ], 1.0 );\nvec3 lVector = lPosition.xyz - mvPosition.xyz;\nfloat lDistance = 1.0;\nif ( pointLightDistance[ i ] > 0.0 )\nlDistance = 1.0 - min( ( length( lVector ) / pointLightDistance[ i ] ), 1.0 );\nlVector = normalize( lVector );\nfloat dotProduct = dot( transformedNormal, lVector );\nvec3 pointLightWeighting = vec3( max( dotProduct, 0.0 ) );\n#ifdef DOUBLE_SIDED\nvec3 pointLightWeightingBack = vec3( max( -dotProduct, 0.0 ) );\n#ifdef WRAP_AROUND\nvec3 pointLightWeightingHalfBack = vec3( max( -0.5 * dotProduct + 0.5, 0.0 ) );\n#endif\n#endif\n#ifdef WRAP_AROUND\nvec3 pointLightWeightingHalf = vec3( max( 0.5 * dotProduct + 0.5, 0.0 ) );\npointLightWeighting = mix( pointLightWeighting, pointLightWeightingHalf, wrapRGB );\n#ifdef DOUBLE_SIDED\npointLightWeightingBack = mix( pointLightWeightingBack, pointLightWeightingHalfBack, wrapRGB );\n#endif\n#endif\nvLightFront += pointLightColor[ i ] * pointLightWeighting * lDistance;\n#ifdef DOUBLE_SIDED\nvLightBack += pointLightColor[ i ] * pointLightWeightingBack * lDistance;\n#endif\n}\n#endif\n#if MAX_SPOT_LIGHTS > 0\nfor( int i = 0; i < MAX_SPOT_LIGHTS; i ++ ) {\nvec4 lPosition = viewMatrix * vec4( spotLightPosition[ i ], 1.0 );\nvec3 lVector = lPosition.xyz - mvPosition.xyz;\nfloat spotEffect = dot( spotLightDirection[ i ], normalize( spotLightPosition[ i ] - worldPosition.xyz ) );\nif ( spotEffect > spotLightAngleCos[ i ] ) {\nspotEffect = max( pow( spotEffect, spotLightExponent[ i ] ), 0.0 );\nfloat lDistance = 1.0;\nif ( spotLightDistance[ i ] > 0.0 )\nlDistance = 1.0 - min( ( length( lVector ) / spotLightDistance[ i ] ), 1.0 );\nlVector = normalize( lVector );\nfloat dotProduct = dot( transformedNormal, lVector );\nvec3 spotLightWeighting = vec3( max( dotProduct, 0.0 ) );\n#ifdef DOUBLE_SIDED\nvec3 spotLightWeightingBack = vec3( max( -dotProduct, 0.0 ) );\n#ifdef WRAP_AROUND\nvec3 spotLightWeightingHalfBack = vec3( max( -0.5 * dotProduct + 0.5, 0.0 ) );\n#endif\n#endif\n#ifdef WRAP_AROUND\nvec3 spotLightWeightingHalf = vec3( max( 0.5 * dotProduct + 0.5, 0.0 ) );\nspotLightWeighting = mix( spotLightWeighting, spotLightWeightingHalf, wrapRGB );\n#ifdef DOUBLE_SIDED\nspotLightWeightingBack = mix( spotLightWeightingBack, spotLightWeightingHalfBack, wrapRGB );\n#endif\n#endif\nvLightFront += spotLightColor[ i ] * spotLightWeighting * lDistance * spotEffect;\n#ifdef DOUBLE_SIDED\nvLightBack += spotLightColor[ i ] * spotLightWeightingBack * lDistance * spotEffect;\n#endif\n}\n}\n#endif\n#if MAX_HEMI_LIGHTS > 0\nfor( int i = 0; i < MAX_HEMI_LIGHTS; i ++ ) {\nvec4 lDirection = viewMatrix * vec4( hemisphereLightDirection[ i ], 0.0 );\nvec3 lVector = normalize( lDirection.xyz );\nfloat dotProduct = dot( transformedNormal, lVector );\nfloat hemiDiffuseWeight = 0.5 * dotProduct + 0.5;\nfloat hemiDiffuseWeightBack = -0.5 * dotProduct + 0.5;\nvLightFront += mix( hemisphereLightGroundColor[ i ], hemisphereLightSkyColor[ i ], hemiDiffuseWeight );\n#ifdef DOUBLE_SIDED\nvLightBack += mix( hemisphereLightGroundColor[ i ], hemisphereLightSkyColor[ i ], hemiDiffuseWeightBack );\n#endif\n}\n#endif\nvLightFront = vLightFront * diffuse + ambient * ambientLightColor + emissive;\n#ifdef DOUBLE_SIDED\nvLightBack = vLightBack * diffuse + ambient * ambientLightColor + emissive;\n#endif",
+lights_phong_pars_vertex:"#ifndef PHONG_PER_PIXEL\n#if MAX_POINT_LIGHTS > 0\nuniform vec3 pointLightPosition[ MAX_POINT_LIGHTS ];\nuniform float pointLightDistance[ MAX_POINT_LIGHTS ];\nvarying vec4 vPointLight[ MAX_POINT_LIGHTS ];\n#endif\n#if MAX_SPOT_LIGHTS > 0\nuniform vec3 spotLightPosition[ MAX_SPOT_LIGHTS ];\nuniform float spotLightDistance[ MAX_SPOT_LIGHTS ];\nvarying vec4 vSpotLight[ MAX_SPOT_LIGHTS ];\n#endif\n#endif\n#if MAX_SPOT_LIGHTS > 0 || defined( USE_BUMPMAP )\nvarying vec3 vWorldPosition;\n#endif",
+lights_phong_vertex:"#ifndef PHONG_PER_PIXEL\n#if MAX_POINT_LIGHTS > 0\nfor( int i = 0; i < MAX_POINT_LIGHTS; i ++ ) {\nvec4 lPosition = viewMatrix * vec4( pointLightPosition[ i ], 1.0 );\nvec3 lVector = lPosition.xyz - mvPosition.xyz;\nfloat lDistance = 1.0;\nif ( pointLightDistance[ i ] > 0.0 )\nlDistance = 1.0 - min( ( length( lVector ) / pointLightDistance[ i ] ), 1.0 );\nvPointLight[ i ] = vec4( lVector, lDistance );\n}\n#endif\n#if MAX_SPOT_LIGHTS > 0\nfor( int i = 0; i < MAX_SPOT_LIGHTS; i ++ ) {\nvec4 lPosition = viewMatrix * vec4( spotLightPosition[ i ], 1.0 );\nvec3 lVector = lPosition.xyz - mvPosition.xyz;\nfloat lDistance = 1.0;\nif ( spotLightDistance[ i ] > 0.0 )\nlDistance = 1.0 - min( ( length( lVector ) / spotLightDistance[ i ] ), 1.0 );\nvSpotLight[ i ] = vec4( lVector, lDistance );\n}\n#endif\n#endif\n#if MAX_SPOT_LIGHTS > 0 || defined( USE_BUMPMAP )\nvWorldPosition = worldPosition.xyz;\n#endif",
+lights_phong_pars_fragment:"uniform vec3 ambientLightColor;\n#if MAX_DIR_LIGHTS > 0\nuniform vec3 directionalLightColor[ MAX_DIR_LIGHTS ];\nuniform vec3 directionalLightDirection[ MAX_DIR_LIGHTS ];\n#endif\n#if MAX_HEMI_LIGHTS > 0\nuniform vec3 hemisphereLightSkyColor[ MAX_HEMI_LIGHTS ];\nuniform vec3 hemisphereLightGroundColor[ MAX_HEMI_LIGHTS ];\nuniform vec3 hemisphereLightDirection[ MAX_HEMI_LIGHTS ];\n#endif\n#if MAX_POINT_LIGHTS > 0\nuniform vec3 pointLightColor[ MAX_POINT_LIGHTS ];\n#ifdef PHONG_PER_PIXEL\nuniform vec3 pointLightPosition[ MAX_POINT_LIGHTS ];\nuniform float pointLightDistance[ MAX_POINT_LIGHTS ];\n#else\nvarying vec4 vPointLight[ MAX_POINT_LIGHTS ];\n#endif\n#endif\n#if MAX_SPOT_LIGHTS > 0\nuniform vec3 spotLightColor[ MAX_SPOT_LIGHTS ];\nuniform vec3 spotLightPosition[ MAX_SPOT_LIGHTS ];\nuniform vec3 spotLightDirection[ MAX_SPOT_LIGHTS ];\nuniform float spotLightAngleCos[ MAX_SPOT_LIGHTS ];\nuniform float spotLightExponent[ MAX_SPOT_LIGHTS ];\n#ifdef PHONG_PER_PIXEL\nuniform float spotLightDistance[ MAX_SPOT_LIGHTS ];\n#else\nvarying vec4 vSpotLight[ MAX_SPOT_LIGHTS ];\n#endif\n#endif\n#if MAX_SPOT_LIGHTS > 0 || defined( USE_BUMPMAP )\nvarying vec3 vWorldPosition;\n#endif\n#ifdef WRAP_AROUND\nuniform vec3 wrapRGB;\n#endif\nvarying vec3 vViewPosition;\nvarying vec3 vNormal;",
+lights_phong_fragment:"vec3 normal = normalize( vNormal );\nvec3 viewPosition = normalize( vViewPosition );\n#ifdef DOUBLE_SIDED\nnormal = normal * ( -1.0 + 2.0 * float( gl_FrontFacing ) );\n#endif\n#ifdef USE_NORMALMAP\nnormal = perturbNormal2Arb( -viewPosition, normal );\n#elif defined( USE_BUMPMAP )\nnormal = perturbNormalArb( -vViewPosition, normal, dHdxy_fwd() );\n#endif\n#if MAX_POINT_LIGHTS > 0\nvec3 pointDiffuse  = vec3( 0.0 );\nvec3 pointSpecular = vec3( 0.0 );\nfor ( int i = 0; i < MAX_POINT_LIGHTS; i ++ ) {\n#ifdef PHONG_PER_PIXEL\nvec4 lPosition = viewMatrix * vec4( pointLightPosition[ i ], 1.0 );\nvec3 lVector = lPosition.xyz + vViewPosition.xyz;\nfloat lDistance = 1.0;\nif ( pointLightDistance[ i ] > 0.0 )\nlDistance = 1.0 - min( ( length( lVector ) / pointLightDistance[ i ] ), 1.0 );\nlVector = normalize( lVector );\n#else\nvec3 lVector = normalize( vPointLight[ i ].xyz );\nfloat lDistance = vPointLight[ i ].w;\n#endif\nfloat dotProduct = dot( normal, lVector );\n#ifdef WRAP_AROUND\nfloat pointDiffuseWeightFull = max( dotProduct, 0.0 );\nfloat pointDiffuseWeightHalf = max( 0.5 * dotProduct + 0.5, 0.0 );\nvec3 pointDiffuseWeight = mix( vec3 ( pointDiffuseWeightFull ), vec3( pointDiffuseWeightHalf ), wrapRGB );\n#else\nfloat pointDiffuseWeight = max( dotProduct, 0.0 );\n#endif\npointDiffuse  += diffuse * pointLightColor[ i ] * pointDiffuseWeight * lDistance;\nvec3 pointHalfVector = normalize( lVector + viewPosition );\nfloat pointDotNormalHalf = max( dot( normal, pointHalfVector ), 0.0 );\nfloat pointSpecularWeight = specularStrength * max( pow( pointDotNormalHalf, shininess ), 0.0 );\n#ifdef PHYSICALLY_BASED_SHADING\nfloat specularNormalization = ( shininess + 2.0001 ) / 8.0;\nvec3 schlick = specular + vec3( 1.0 - specular ) * pow( 1.0 - dot( lVector, pointHalfVector ), 5.0 );\npointSpecular += schlick * pointLightColor[ i ] * pointSpecularWeight * pointDiffuseWeight * lDistance * specularNormalization;\n#else\npointSpecular += specular * pointLightColor[ i ] * pointSpecularWeight * pointDiffuseWeight * lDistance;\n#endif\n}\n#endif\n#if MAX_SPOT_LIGHTS > 0\nvec3 spotDiffuse  = vec3( 0.0 );\nvec3 spotSpecular = vec3( 0.0 );\nfor ( int i = 0; i < MAX_SPOT_LIGHTS; i ++ ) {\n#ifdef PHONG_PER_PIXEL\nvec4 lPosition = viewMatrix * vec4( spotLightPosition[ i ], 1.0 );\nvec3 lVector = lPosition.xyz + vViewPosition.xyz;\nfloat lDistance = 1.0;\nif ( spotLightDistance[ i ] > 0.0 )\nlDistance = 1.0 - min( ( length( lVector ) / spotLightDistance[ i ] ), 1.0 );\nlVector = normalize( lVector );\n#else\nvec3 lVector = normalize( vSpotLight[ i ].xyz );\nfloat lDistance = vSpotLight[ i ].w;\n#endif\nfloat spotEffect = dot( spotLightDirection[ i ], normalize( spotLightPosition[ i ] - vWorldPosition ) );\nif ( spotEffect > spotLightAngleCos[ i ] ) {\nspotEffect = max( pow( spotEffect, spotLightExponent[ i ] ), 0.0 );\nfloat dotProduct = dot( normal, lVector );\n#ifdef WRAP_AROUND\nfloat spotDiffuseWeightFull = max( dotProduct, 0.0 );\nfloat spotDiffuseWeightHalf = max( 0.5 * dotProduct + 0.5, 0.0 );\nvec3 spotDiffuseWeight = mix( vec3 ( spotDiffuseWeightFull ), vec3( spotDiffuseWeightHalf ), wrapRGB );\n#else\nfloat spotDiffuseWeight = max( dotProduct, 0.0 );\n#endif\nspotDiffuse += diffuse * spotLightColor[ i ] * spotDiffuseWeight * lDistance * spotEffect;\nvec3 spotHalfVector = normalize( lVector + viewPosition );\nfloat spotDotNormalHalf = max( dot( normal, spotHalfVector ), 0.0 );\nfloat spotSpecularWeight = specularStrength * max( pow( spotDotNormalHalf, shininess ), 0.0 );\n#ifdef PHYSICALLY_BASED_SHADING\nfloat specularNormalization = ( shininess + 2.0001 ) / 8.0;\nvec3 schlick = specular + vec3( 1.0 - specular ) * pow( 1.0 - dot( lVector, spotHalfVector ), 5.0 );\nspotSpecular += schlick * spotLightColor[ i ] * spotSpecularWeight * spotDiffuseWeight * lDistance * specularNormalization * spotEffect;\n#else\nspotSpecular += specular * spotLightColor[ i ] * spotSpecularWeight * spotDiffuseWeight * lDistance * spotEffect;\n#endif\n}\n}\n#endif\n#if MAX_DIR_LIGHTS > 0\nvec3 dirDiffuse  = vec3( 0.0 );\nvec3 dirSpecular = vec3( 0.0 );\nfor( int i = 0; i < MAX_DIR_LIGHTS; i ++ ) {\nvec4 lDirection = viewMatrix * vec4( directionalLightDirection[ i ], 0.0 );\nvec3 dirVector = normalize( lDirection.xyz );\nfloat dotProduct = dot( normal, dirVector );\n#ifdef WRAP_AROUND\nfloat dirDiffuseWeightFull = max( dotProduct, 0.0 );\nfloat dirDiffuseWeightHalf = max( 0.5 * dotProduct + 0.5, 0.0 );\nvec3 dirDiffuseWeight = mix( vec3( dirDiffuseWeightFull ), vec3( dirDiffuseWeightHalf ), wrapRGB );\n#else\nfloat dirDiffuseWeight = max( dotProduct, 0.0 );\n#endif\ndirDiffuse  += diffuse * directionalLightColor[ i ] * dirDiffuseWeight;\nvec3 dirHalfVector = normalize( dirVector + viewPosition );\nfloat dirDotNormalHalf = max( dot( normal, dirHalfVector ), 0.0 );\nfloat dirSpecularWeight = specularStrength * max( pow( dirDotNormalHalf, shininess ), 0.0 );\n#ifdef PHYSICALLY_BASED_SHADING\nfloat specularNormalization = ( shininess + 2.0001 ) / 8.0;\nvec3 schlick = specular + vec3( 1.0 - specular ) * pow( 1.0 - dot( dirVector, dirHalfVector ), 5.0 );\ndirSpecular += schlick * directionalLightColor[ i ] * dirSpecularWeight * dirDiffuseWeight * specularNormalization;\n#else\ndirSpecular += specular * directionalLightColor[ i ] * dirSpecularWeight * dirDiffuseWeight;\n#endif\n}\n#endif\n#if MAX_HEMI_LIGHTS > 0\nvec3 hemiDiffuse  = vec3( 0.0 );\nvec3 hemiSpecular = vec3( 0.0 );\nfor( int i = 0; i < MAX_HEMI_LIGHTS; i ++ ) {\nvec4 lDirection = viewMatrix * vec4( hemisphereLightDirection[ i ], 0.0 );\nvec3 lVector = normalize( lDirection.xyz );\nfloat dotProduct = dot( normal, lVector );\nfloat hemiDiffuseWeight = 0.5 * dotProduct + 0.5;\nvec3 hemiColor = mix( hemisphereLightGroundColor[ i ], hemisphereLightSkyColor[ i ], hemiDiffuseWeight );\nhemiDiffuse += diffuse * hemiColor;\nvec3 hemiHalfVectorSky = normalize( lVector + viewPosition );\nfloat hemiDotNormalHalfSky = 0.5 * dot( normal, hemiHalfVectorSky ) + 0.5;\nfloat hemiSpecularWeightSky = specularStrength * max( pow( hemiDotNormalHalfSky, shininess ), 0.0 );\nvec3 lVectorGround = -lVector;\nvec3 hemiHalfVectorGround = normalize( lVectorGround + viewPosition );\nfloat hemiDotNormalHalfGround = 0.5 * dot( normal, hemiHalfVectorGround ) + 0.5;\nfloat hemiSpecularWeightGround = specularStrength * max( pow( hemiDotNormalHalfGround, shininess ), 0.0 );\n#ifdef PHYSICALLY_BASED_SHADING\nfloat dotProductGround = dot( normal, lVectorGround );\nfloat specularNormalization = ( shininess + 2.0001 ) / 8.0;\nvec3 schlickSky = specular + vec3( 1.0 - specular ) * pow( 1.0 - dot( lVector, hemiHalfVectorSky ), 5.0 );\nvec3 schlickGround = specular + vec3( 1.0 - specular ) * pow( 1.0 - dot( lVectorGround, hemiHalfVectorGround ), 5.0 );\nhemiSpecular += hemiColor * specularNormalization * ( schlickSky * hemiSpecularWeightSky * max( dotProduct, 0.0 ) + schlickGround * hemiSpecularWeightGround * max( dotProductGround, 0.0 ) );\n#else\nhemiSpecular += specular * hemiColor * ( hemiSpecularWeightSky + hemiSpecularWeightGround ) * hemiDiffuseWeight;\n#endif\n}\n#endif\nvec3 totalDiffuse = vec3( 0.0 );\nvec3 totalSpecular = vec3( 0.0 );\n#if MAX_DIR_LIGHTS > 0\ntotalDiffuse += dirDiffuse;\ntotalSpecular += dirSpecular;\n#endif\n#if MAX_HEMI_LIGHTS > 0\ntotalDiffuse += hemiDiffuse;\ntotalSpecular += hemiSpecular;\n#endif\n#if MAX_POINT_LIGHTS > 0\ntotalDiffuse += pointDiffuse;\ntotalSpecular += pointSpecular;\n#endif\n#if MAX_SPOT_LIGHTS > 0\ntotalDiffuse += spotDiffuse;\ntotalSpecular += spotSpecular;\n#endif\n#ifdef METAL\ngl_FragColor.xyz = gl_FragColor.xyz * ( emissive + totalDiffuse + ambientLightColor * ambient + totalSpecular );\n#else\ngl_FragColor.xyz = gl_FragColor.xyz * ( emissive + totalDiffuse + ambientLightColor * ambient ) + totalSpecular;\n#endif",
+color_pars_fragment:"#ifdef USE_COLOR\nvarying vec3 vColor;\n#endif",color_fragment:"#ifdef USE_COLOR\ngl_FragColor = gl_FragColor * vec4( vColor, opacity );\n#endif",color_pars_vertex:"#ifdef USE_COLOR\nvarying vec3 vColor;\n#endif",color_vertex:"#ifdef USE_COLOR\n#ifdef GAMMA_INPUT\nvColor = color * color;\n#else\nvColor = color;\n#endif\n#endif",skinning_pars_vertex:"#ifdef USE_SKINNING\n#ifdef BONE_TEXTURE\nuniform sampler2D boneTexture;\nmat4 getBoneMatrix( const in float i ) {\nfloat j = i * 4.0;\nfloat x = mod( j, N_BONE_PIXEL_X );\nfloat y = floor( j / N_BONE_PIXEL_X );\nconst float dx = 1.0 / N_BONE_PIXEL_X;\nconst float dy = 1.0 / N_BONE_PIXEL_Y;\ny = dy * ( y + 0.5 );\nvec4 v1 = texture2D( boneTexture, vec2( dx * ( x + 0.5 ), y ) );\nvec4 v2 = texture2D( boneTexture, vec2( dx * ( x + 1.5 ), y ) );\nvec4 v3 = texture2D( boneTexture, vec2( dx * ( x + 2.5 ), y ) );\nvec4 v4 = texture2D( boneTexture, vec2( dx * ( x + 3.5 ), y ) );\nmat4 bone = mat4( v1, v2, v3, v4 );\nreturn bone;\n}\n#else\nuniform mat4 boneGlobalMatrices[ MAX_BONES ];\nmat4 getBoneMatrix( const in float i ) {\nmat4 bone = boneGlobalMatrices[ int(i) ];\nreturn bone;\n}\n#endif\n#endif",
+skinbase_vertex:"#ifdef USE_SKINNING\nmat4 boneMatX = getBoneMatrix( skinIndex.x );\nmat4 boneMatY = getBoneMatrix( skinIndex.y );\n#endif",skinning_vertex:"#ifdef USE_SKINNING\n#ifdef USE_MORPHTARGETS\nvec4 skinVertex = vec4( morphed, 1.0 );\n#else\nvec4 skinVertex = vec4( position, 1.0 );\n#endif\nvec4 skinned  = boneMatX * skinVertex * skinWeight.x;\nskinned \t  += boneMatY * skinVertex * skinWeight.y;\n#endif",morphtarget_pars_vertex:"#ifdef USE_MORPHTARGETS\n#ifndef USE_MORPHNORMALS\nuniform float morphTargetInfluences[ 8 ];\n#else\nuniform float morphTargetInfluences[ 4 ];\n#endif\n#endif",
+morphtarget_vertex:"#ifdef USE_MORPHTARGETS\nvec3 morphed = vec3( 0.0 );\nmorphed += ( morphTarget0 - position ) * morphTargetInfluences[ 0 ];\nmorphed += ( morphTarget1 - position ) * morphTargetInfluences[ 1 ];\nmorphed += ( morphTarget2 - position ) * morphTargetInfluences[ 2 ];\nmorphed += ( morphTarget3 - position ) * morphTargetInfluences[ 3 ];\n#ifndef USE_MORPHNORMALS\nmorphed += ( morphTarget4 - position ) * morphTargetInfluences[ 4 ];\nmorphed += ( morphTarget5 - position ) * morphTargetInfluences[ 5 ];\nmorphed += ( morphTarget6 - position ) * morphTargetInfluences[ 6 ];\nmorphed += ( morphTarget7 - position ) * morphTargetInfluences[ 7 ];\n#endif\nmorphed += position;\n#endif",
+default_vertex:"vec4 mvPosition;\n#ifdef USE_SKINNING\nmvPosition = modelViewMatrix * skinned;\n#endif\n#if !defined( USE_SKINNING ) && defined( USE_MORPHTARGETS )\nmvPosition = modelViewMatrix * vec4( morphed, 1.0 );\n#endif\n#if !defined( USE_SKINNING ) && ! defined( USE_MORPHTARGETS )\nmvPosition = modelViewMatrix * vec4( position, 1.0 );\n#endif\ngl_Position = projectionMatrix * mvPosition;",morphnormal_vertex:"#ifdef USE_MORPHNORMALS\nvec3 morphedNormal = vec3( 0.0 );\nmorphedNormal +=  ( morphNormal0 - normal ) * morphTargetInfluences[ 0 ];\nmorphedNormal +=  ( morphNormal1 - normal ) * morphTargetInfluences[ 1 ];\nmorphedNormal +=  ( morphNormal2 - normal ) * morphTargetInfluences[ 2 ];\nmorphedNormal +=  ( morphNormal3 - normal ) * morphTargetInfluences[ 3 ];\nmorphedNormal += normal;\n#endif",
+skinnormal_vertex:"#ifdef USE_SKINNING\nmat4 skinMatrix = skinWeight.x * boneMatX;\nskinMatrix \t+= skinWeight.y * boneMatY;\n#ifdef USE_MORPHNORMALS\nvec4 skinnedNormal = skinMatrix * vec4( morphedNormal, 0.0 );\n#else\nvec4 skinnedNormal = skinMatrix * vec4( normal, 0.0 );\n#endif\n#endif",defaultnormal_vertex:"vec3 objectNormal;\n#ifdef USE_SKINNING\nobjectNormal = skinnedNormal.xyz;\n#endif\n#if !defined( USE_SKINNING ) && defined( USE_MORPHNORMALS )\nobjectNormal = morphedNormal;\n#endif\n#if !defined( USE_SKINNING ) && ! defined( USE_MORPHNORMALS )\nobjectNormal = normal;\n#endif\n#ifdef FLIP_SIDED\nobjectNormal = -objectNormal;\n#endif\nvec3 transformedNormal = normalMatrix * objectNormal;",
+shadowmap_pars_fragment:"#ifdef USE_SHADOWMAP\nuniform sampler2D shadowMap[ MAX_SHADOWS ];\nuniform vec2 shadowMapSize[ MAX_SHADOWS ];\nuniform float shadowDarkness[ MAX_SHADOWS ];\nuniform float shadowBias[ MAX_SHADOWS ];\nvarying vec4 vShadowCoord[ MAX_SHADOWS ];\nfloat unpackDepth( const in vec4 rgba_depth ) {\nconst vec4 bit_shift = vec4( 1.0 / ( 256.0 * 256.0 * 256.0 ), 1.0 / ( 256.0 * 256.0 ), 1.0 / 256.0, 1.0 );\nfloat depth = dot( rgba_depth, bit_shift );\nreturn depth;\n}\n#endif",shadowmap_fragment:"#ifdef USE_SHADOWMAP\n#ifdef SHADOWMAP_DEBUG\nvec3 frustumColors[3];\nfrustumColors[0] = vec3( 1.0, 0.5, 0.0 );\nfrustumColors[1] = vec3( 0.0, 1.0, 0.8 );\nfrustumColors[2] = vec3( 0.0, 0.5, 1.0 );\n#endif\n#ifdef SHADOWMAP_CASCADE\nint inFrustumCount = 0;\n#endif\nfloat fDepth;\nvec3 shadowColor = vec3( 1.0 );\nfor( int i = 0; i < MAX_SHADOWS; i ++ ) {\nvec3 shadowCoord = vShadowCoord[ i ].xyz / vShadowCoord[ i ].w;\nbvec4 inFrustumVec = bvec4 ( shadowCoord.x >= 0.0, shadowCoord.x <= 1.0, shadowCoord.y >= 0.0, shadowCoord.y <= 1.0 );\nbool inFrustum = all( inFrustumVec );\n#ifdef SHADOWMAP_CASCADE\ninFrustumCount += int( inFrustum );\nbvec3 frustumTestVec = bvec3( inFrustum, inFrustumCount == 1, shadowCoord.z <= 1.0 );\n#else\nbvec2 frustumTestVec = bvec2( inFrustum, shadowCoord.z <= 1.0 );\n#endif\nbool frustumTest = all( frustumTestVec );\nif ( frustumTest ) {\nshadowCoord.z += shadowBias[ i ];\n#ifdef SHADOWMAP_SOFT\nfloat shadow = 0.0;\nconst float shadowDelta = 1.0 / 9.0;\nfloat xPixelOffset = 1.0 / shadowMapSize[ i ].x;\nfloat yPixelOffset = 1.0 / shadowMapSize[ i ].y;\nfloat dx0 = -1.25 * xPixelOffset;\nfloat dy0 = -1.25 * yPixelOffset;\nfloat dx1 = 1.25 * xPixelOffset;\nfloat dy1 = 1.25 * yPixelOffset;\nfDepth = unpackDepth( texture2D( shadowMap[ i ], shadowCoord.xy + vec2( dx0, dy0 ) ) );\nif ( fDepth < shadowCoord.z ) shadow += shadowDelta;\nfDepth = unpackDepth( texture2D( shadowMap[ i ], shadowCoord.xy + vec2( 0.0, dy0 ) ) );\nif ( fDepth < shadowCoord.z ) shadow += shadowDelta;\nfDepth = unpackDepth( texture2D( shadowMap[ i ], shadowCoord.xy + vec2( dx1, dy0 ) ) );\nif ( fDepth < shadowCoord.z ) shadow += shadowDelta;\nfDepth = unpackDepth( texture2D( shadowMap[ i ], shadowCoord.xy + vec2( dx0, 0.0 ) ) );\nif ( fDepth < shadowCoord.z ) shadow += shadowDelta;\nfDepth = unpackDepth( texture2D( shadowMap[ i ], shadowCoord.xy ) );\nif ( fDepth < shadowCoord.z ) shadow += shadowDelta;\nfDepth = unpackDepth( texture2D( shadowMap[ i ], shadowCoord.xy + vec2( dx1, 0.0 ) ) );\nif ( fDepth < shadowCoord.z ) shadow += shadowDelta;\nfDepth = unpackDepth( texture2D( shadowMap[ i ], shadowCoord.xy + vec2( dx0, dy1 ) ) );\nif ( fDepth < shadowCoord.z ) shadow += shadowDelta;\nfDepth = unpackDepth( texture2D( shadowMap[ i ], shadowCoord.xy + vec2( 0.0, dy1 ) ) );\nif ( fDepth < shadowCoord.z ) shadow += shadowDelta;\nfDepth = unpackDepth( texture2D( shadowMap[ i ], shadowCoord.xy + vec2( dx1, dy1 ) ) );\nif ( fDepth < shadowCoord.z ) shadow += shadowDelta;\nshadowColor = shadowColor * vec3( ( 1.0 - shadowDarkness[ i ] * shadow ) );\n#else\nvec4 rgbaDepth = texture2D( shadowMap[ i ], shadowCoord.xy );\nfloat fDepth = unpackDepth( rgbaDepth );\nif ( fDepth < shadowCoord.z )\nshadowColor = shadowColor * vec3( 1.0 - shadowDarkness[ i ] );\n#endif\n}\n#ifdef SHADOWMAP_DEBUG\n#ifdef SHADOWMAP_CASCADE\nif ( inFrustum && inFrustumCount == 1 ) gl_FragColor.xyz *= frustumColors[ i ];\n#else\nif ( inFrustum ) gl_FragColor.xyz *= frustumColors[ i ];\n#endif\n#endif\n}\n#ifdef GAMMA_OUTPUT\nshadowColor *= shadowColor;\n#endif\ngl_FragColor.xyz = gl_FragColor.xyz * shadowColor;\n#endif",
+shadowmap_pars_vertex:"#ifdef USE_SHADOWMAP\nvarying vec4 vShadowCoord[ MAX_SHADOWS ];\nuniform mat4 shadowMatrix[ MAX_SHADOWS ];\n#endif",shadowmap_vertex:"#ifdef USE_SHADOWMAP\nfor( int i = 0; i < MAX_SHADOWS; i ++ ) {\nvShadowCoord[ i ] = shadowMatrix[ i ] * worldPosition;\n}\n#endif",alphatest_fragment:"#ifdef ALPHATEST\nif ( gl_FragColor.a < ALPHATEST ) discard;\n#endif",linear_to_gamma_fragment:"#ifdef GAMMA_OUTPUT\ngl_FragColor.xyz = sqrt( gl_FragColor.xyz );\n#endif"};
+THREE.UniformsUtils={merge:function(a){var b,c,d,e={};for(b=0;b<a.length;b++)for(c in d=this.clone(a[b]),d)e[c]=d[c];return e},clone:function(a){var b,c,d,e={};for(b in a)for(c in e[b]={},a[b])d=a[b][c],e[b][c]=d instanceof THREE.Color||d instanceof THREE.Vector2||d instanceof THREE.Vector3||d instanceof THREE.Vector4||d instanceof THREE.Matrix4||d instanceof THREE.Texture?d.clone():d instanceof Array?d.slice():d;return e}};
+THREE.UniformsLib={common:{diffuse:{type:"c",value:new THREE.Color(15658734)},opacity:{type:"f",value:1},map:{type:"t",value:null},offsetRepeat:{type:"v4",value:new THREE.Vector4(0,0,1,1)},lightMap:{type:"t",value:null},specularMap:{type:"t",value:null},envMap:{type:"t",value:null},flipEnvMap:{type:"f",value:-1},useRefract:{type:"i",value:0},reflectivity:{type:"f",value:1},refractionRatio:{type:"f",value:0.98},combine:{type:"i",value:0},morphTargetInfluences:{type:"f",value:0}},bump:{bumpMap:{type:"t",
+value:null},bumpScale:{type:"f",value:1}},normalmap:{normalMap:{type:"t",value:null},normalScale:{type:"v2",value:new THREE.Vector2(1,1)}},fog:{fogDensity:{type:"f",value:2.5E-4},fogNear:{type:"f",value:1},fogFar:{type:"f",value:2E3},fogColor:{type:"c",value:new THREE.Color(16777215)}},lights:{ambientLightColor:{type:"fv",value:[]},directionalLightDirection:{type:"fv",value:[]},directionalLightColor:{type:"fv",value:[]},hemisphereLightDirection:{type:"fv",value:[]},hemisphereLightSkyColor:{type:"fv",
+value:[]},hemisphereLightGroundColor:{type:"fv",value:[]},pointLightColor:{type:"fv",value:[]},pointLightPosition:{type:"fv",value:[]},pointLightDistance:{type:"fv1",value:[]},spotLightColor:{type:"fv",value:[]},spotLightPosition:{type:"fv",value:[]},spotLightDirection:{type:"fv",value:[]},spotLightDistance:{type:"fv1",value:[]},spotLightAngleCos:{type:"fv1",value:[]},spotLightExponent:{type:"fv1",value:[]}},particle:{psColor:{type:"c",value:new THREE.Color(15658734)},opacity:{type:"f",value:1},size:{type:"f",
+value:1},scale:{type:"f",value:1},map:{type:"t",value:null},fogDensity:{type:"f",value:2.5E-4},fogNear:{type:"f",value:1},fogFar:{type:"f",value:2E3},fogColor:{type:"c",value:new THREE.Color(16777215)}},shadowmap:{shadowMap:{type:"tv",value:[]},shadowMapSize:{type:"v2v",value:[]},shadowBias:{type:"fv1",value:[]},shadowDarkness:{type:"fv1",value:[]},shadowMatrix:{type:"m4v",value:[]}}};
+THREE.ShaderLib={depth:{uniforms:{mNear:{type:"f",value:1},mFar:{type:"f",value:2E3},opacity:{type:"f",value:1}},vertexShader:"void main() {\ngl_Position = projectionMatrix * modelViewMatrix * vec4( position, 1.0 );\n}",fragmentShader:"uniform float mNear;\nuniform float mFar;\nuniform float opacity;\nvoid main() {\nfloat depth = gl_FragCoord.z / gl_FragCoord.w;\nfloat color = 1.0 - smoothstep( mNear, mFar, depth );\ngl_FragColor = vec4( vec3( color ), opacity );\n}"},normal:{uniforms:{opacity:{type:"f",
+value:1}},vertexShader:"varying vec3 vNormal;\nvoid main() {\nvec4 mvPosition = modelViewMatrix * vec4( position, 1.0 );\nvNormal = normalize( normalMatrix * normal );\ngl_Position = projectionMatrix * mvPosition;\n}",fragmentShader:"uniform float opacity;\nvarying vec3 vNormal;\nvoid main() {\ngl_FragColor = vec4( 0.5 * normalize( vNormal ) + 0.5, opacity );\n}"},basic:{uniforms:THREE.UniformsUtils.merge([THREE.UniformsLib.common,THREE.UniformsLib.fog,THREE.UniformsLib.shadowmap]),vertexShader:[THREE.ShaderChunk.map_pars_vertex,
+THREE.ShaderChunk.lightmap_pars_vertex,THREE.ShaderChunk.envmap_pars_vertex,THREE.ShaderChunk.color_pars_vertex,THREE.ShaderChunk.morphtarget_pars_vertex,THREE.ShaderChunk.skinning_pars_vertex,THREE.ShaderChunk.shadowmap_pars_vertex,"void main() {",THREE.ShaderChunk.map_vertex,THREE.ShaderChunk.lightmap_vertex,THREE.ShaderChunk.color_vertex,"#ifdef USE_ENVMAP",THREE.ShaderChunk.morphnormal_vertex,THREE.ShaderChunk.skinbase_vertex,THREE.ShaderChunk.skinnormal_vertex,THREE.ShaderChunk.defaultnormal_vertex,
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+w.hemi.groundColors,S=w.hemi.positions,ga=0,U=0,P=0,da=0,ca=0,ha=0,ta=0,pa=0,qa=v=0;c=qa=qa=0;for(f=b.length;c<f;c++)l=b[c],l.onlyShadow||(t=l.color,u=l.intensity,v=l.distance,l instanceof THREE.AmbientLight?l.visible&&(Q.gammaInput?(m+=t.r*t.r,q+=t.g*t.g,s+=t.b*t.b):(m+=t.r,q+=t.g,s+=t.b)):l instanceof THREE.DirectionalLight?(ca+=1,l.visible&&(v=3*ga,Q.gammaInput?I(x,v,t,u*u):J(x,v,t,u),wa.copy(l.matrixWorld.getPosition()),wa.subSelf(l.target.matrixWorld.getPosition()),wa.normalize(),y[v]=wa.x,y[v+
+1]=wa.y,y[v+2]=wa.z,ga+=1)):l instanceof THREE.PointLight?(ha+=1,l.visible&&(qa=3*U,Q.gammaInput?I(A,qa,t,u*u):J(A,qa,t,u),u=l.matrixWorld.getPosition(),C[qa]=u.x,C[qa+1]=u.y,C[qa+2]=u.z,B[U]=v,U+=1)):l instanceof THREE.SpotLight?(ta+=1,l.visible&&(qa=3*P,Q.gammaInput?I(D,qa,t,u*u):J(D,qa,t,u),u=l.matrixWorld.getPosition(),F[qa]=u.x,F[qa+1]=u.y,F[qa+2]=u.z,K[P]=v,wa.copy(u),wa.subSelf(l.target.matrixWorld.getPosition()),wa.normalize(),L[qa]=wa.x,L[qa+1]=wa.y,L[qa+2]=wa.z,N[P]=Math.cos(l.angle),ia[P]=
+l.exponent,P+=1)):l instanceof THREE.HemisphereLight&&(pa+=1,l.visible&&(t=l.color,v=l.groundColor,qa=3*da,Q.gammaInput?(u*=u,I(V,qa,t,u),I(R,qa,v,u)):(J(V,qa,t,u),J(R,qa,v,u)),wa.copy(l.matrixWorld.getPosition()),wa.normalize(),S[qa]=wa.x,S[qa+1]=wa.y,S[qa+2]=wa.z,da+=1)));c=3*ga;for(f=Math.max(x.length,3*ca);c<f;c++)x[c]=0;c=3*ga;for(f=Math.max(y.length,3*ca);c<f;c++)y[c]=0;c=3*U;for(f=Math.max(A.length,3*ha);c<f;c++)A[c]=0;c=3*U;for(f=Math.max(C.length,3*ha);c<f;c++)C[c]=0;c=U;for(f=Math.max(B.length,
+ha);c<f;c++)B[c]=0;c=3*P;for(f=Math.max(D.length,3*ta);c<f;c++)D[c]=0;c=3*P;for(f=Math.max(F.length,3*ta);c<f;c++)F[c]=0;c=3*P;for(f=Math.max(L.length,3*ta);c<f;c++)L[c]=0;c=P;for(f=Math.max(N.length,ta);c<f;c++)N[c]=0;c=P;for(f=Math.max(ia.length,ta);c<f;c++)ia[c]=0;c=P;for(f=Math.max(K.length,ta);c<f;c++)K[c]=0;c=3*da;for(f=Math.max(V.length,3*pa);c<f;c++)V[c]=0;c=3*da;for(f=Math.max(R.length,3*pa);c<f;c++)R[c]=0;c=3*da;for(f=Math.max(S.length,3*pa);c<f;c++)S[c]=0;w.directional.length=ga;w.point.length=
+U;w.spot.length=P;w.hemi.length=da;w.ambient[0]=m;w.ambient[1]=q;w.ambient[2]=s;sb=!1}c=Qa;k.ambientLightColor.value=c.ambient;k.directionalLightColor.value=c.directional.colors;k.directionalLightDirection.value=c.directional.positions;k.pointLightColor.value=c.point.colors;k.pointLightPosition.value=c.point.positions;k.pointLightDistance.value=c.point.distances;k.spotLightColor.value=c.spot.colors;k.spotLightPosition.value=c.spot.positions;k.spotLightDistance.value=c.spot.distances;k.spotLightDirection.value=
+c.spot.directions;k.spotLightAngleCos.value=c.spot.anglesCos;k.spotLightExponent.value=c.spot.exponents;k.hemisphereLightSkyColor.value=c.hemi.skyColors;k.hemisphereLightGroundColor.value=c.hemi.groundColors;k.hemisphereLightDirection.value=c.hemi.positions}if(d instanceof THREE.MeshBasicMaterial||d instanceof THREE.MeshLambertMaterial||d instanceof THREE.MeshPhongMaterial){k.opacity.value=d.opacity;Q.gammaInput?k.diffuse.value.copyGammaToLinear(d.color):k.diffuse.value=d.color;k.map.value=d.map;
+k.lightMap.value=d.lightMap;k.specularMap.value=d.specularMap;d.bumpMap&&(k.bumpMap.value=d.bumpMap,k.bumpScale.value=d.bumpScale);d.normalMap&&(k.normalMap.value=d.normalMap,k.normalScale.value.copy(d.normalScale));var Y;d.map?Y=d.map:d.specularMap?Y=d.specularMap:d.normalMap?Y=d.normalMap:d.bumpMap&&(Y=d.bumpMap);void 0!==Y&&(c=Y.offset,Y=Y.repeat,k.offsetRepeat.value.set(c.x,c.y,Y.x,Y.y));k.envMap.value=d.envMap;k.flipEnvMap.value=d.envMap instanceof THREE.WebGLRenderTargetCube?1:-1;k.reflectivity.value=
+d.reflectivity;k.refractionRatio.value=d.refractionRatio;k.combine.value=d.combine;k.useRefract.value=d.envMap&&d.envMap.mapping instanceof THREE.CubeRefractionMapping}d instanceof THREE.LineBasicMaterial?(k.diffuse.value=d.color,k.opacity.value=d.opacity):d instanceof THREE.LineDashedMaterial?(k.diffuse.value=d.color,k.opacity.value=d.opacity,k.dashSize.value=d.dashSize,k.totalSize.value=d.dashSize+d.gapSize,k.scale.value=d.scale):d instanceof THREE.ParticleBasicMaterial?(k.psColor.value=d.color,
+k.opacity.value=d.opacity,k.size.value=d.size,k.scale.value=W.height/2,k.map.value=d.map):d instanceof THREE.MeshPhongMaterial?(k.shininess.value=d.shininess,Q.gammaInput?(k.ambient.value.copyGammaToLinear(d.ambient),k.emissive.value.copyGammaToLinear(d.emissive),k.specular.value.copyGammaToLinear(d.specular)):(k.ambient.value=d.ambient,k.emissive.value=d.emissive,k.specular.value=d.specular),d.wrapAround&&k.wrapRGB.value.copy(d.wrapRGB)):d instanceof THREE.MeshLambertMaterial?(Q.gammaInput?(k.ambient.value.copyGammaToLinear(d.ambient),
+k.emissive.value.copyGammaToLinear(d.emissive)):(k.ambient.value=d.ambient,k.emissive.value=d.emissive),d.wrapAround&&k.wrapRGB.value.copy(d.wrapRGB)):d instanceof THREE.MeshDepthMaterial?(k.mNear.value=a.near,k.mFar.value=a.far,k.opacity.value=d.opacity):d instanceof THREE.MeshNormalMaterial&&(k.opacity.value=d.opacity);if(e.receiveShadow&&!d._shadowPass&&k.shadowMatrix)for(c=Y=0,f=b.length;c<f;c++)l=b[c],l.castShadow&&(l instanceof THREE.SpotLight||l instanceof THREE.DirectionalLight&&!l.shadowCascade)&&
+(k.shadowMap.value[Y]=l.shadowMap,k.shadowMapSize.value[Y]=l.shadowMapSize,k.shadowMatrix.value[Y]=l.shadowMatrix,k.shadowDarkness.value[Y]=l.shadowDarkness,k.shadowBias.value[Y]=l.shadowBias,Y++);b=d.uniformsList;k=0;for(Y=b.length;k<Y;k++)if(f=g.uniforms[b[k][1]])if(c=b[k][0],m=c.type,l=c.value,"i"===m)r.uniform1i(f,l);else if("f"===m)r.uniform1f(f,l);else if("v2"===m)r.uniform2f(f,l.x,l.y);else if("v3"===m)r.uniform3f(f,l.x,l.y,l.z);else if("v4"===m)r.uniform4f(f,l.x,l.y,l.z,l.w);else if("c"===
+m)r.uniform3f(f,l.r,l.g,l.b);else if("iv1"===m)r.uniform1iv(f,l);else if("iv"===m)r.uniform3iv(f,l);else if("fv1"===m)r.uniform1fv(f,l);else if("fv"===m)r.uniform3fv(f,l);else if("v2v"===m){void 0===c._array&&(c._array=new Float32Array(2*l.length));m=0;for(q=l.length;m<q;m++)s=2*m,c._array[s]=l[m].x,c._array[s+1]=l[m].y;r.uniform2fv(f,c._array)}else if("v3v"===m){void 0===c._array&&(c._array=new Float32Array(3*l.length));m=0;for(q=l.length;m<q;m++)s=3*m,c._array[s]=l[m].x,c._array[s+1]=l[m].y,c._array[s+
+2]=l[m].z;r.uniform3fv(f,c._array)}else if("v4v"===m){void 0===c._array&&(c._array=new Float32Array(4*l.length));m=0;for(q=l.length;m<q;m++)s=4*m,c._array[s]=l[m].x,c._array[s+1]=l[m].y,c._array[s+2]=l[m].z,c._array[s+3]=l[m].w;r.uniform4fv(f,c._array)}else if("m4"===m)void 0===c._array&&(c._array=new Float32Array(16)),l.flattenToArray(c._array),r.uniformMatrix4fv(f,!1,c._array);else if("m4v"===m){void 0===c._array&&(c._array=new Float32Array(16*l.length));m=0;for(q=l.length;m<q;m++)l[m].flattenToArrayOffset(c._array,
+16*m);r.uniformMatrix4fv(f,!1,c._array)}else if("t"===m){if(s=l,l=z(),r.uniform1i(f,l),s)if(s.image instanceof Array&&6===s.image.length){if(c=s,f=l,6===c.image.length)if(c.needsUpdate){c.image.__webglTextureCube||(c.image.__webglTextureCube=r.createTexture());r.activeTexture(r.TEXTURE0+f);r.bindTexture(r.TEXTURE_CUBE_MAP,c.image.__webglTextureCube);r.pixelStorei(r.UNPACK_FLIP_Y_WEBGL,c.flipY);f=c instanceof THREE.CompressedTexture;l=[];for(m=0;6>m;m++)Q.autoScaleCubemaps&&!f?(q=l,s=m,w=c.image[m],
+y=fc,w.width<=y&&w.height<=y||(A=Math.max(w.width,w.height),x=Math.floor(w.width*y/A),y=Math.floor(w.height*y/A),A=document.createElement("canvas"),A.width=x,A.height=y,A.getContext("2d").drawImage(w,0,0,w.width,w.height,0,0,x,y),w=A),q[s]=w):l[m]=c.image[m];m=l[0];q=H(m.width)&&H(m.height);s=O(c.format);w=O(c.type);T(r.TEXTURE_CUBE_MAP,c,q);for(m=0;6>m;m++)if(f)for(y=l[m].mipmaps,A=0,C=y.length;A<C;A++)x=y[A],r.compressedTexImage2D(r.TEXTURE_CUBE_MAP_POSITIVE_X+m,A,s,x.width,x.height,0,x.data);else r.texImage2D(r.TEXTURE_CUBE_MAP_POSITIVE_X+
+m,0,s,s,w,l[m]);c.generateMipmaps&&q&&r.generateMipmap(r.TEXTURE_CUBE_MAP);c.needsUpdate=!1;if(c.onUpdate)c.onUpdate()}else r.activeTexture(r.TEXTURE0+f),r.bindTexture(r.TEXTURE_CUBE_MAP,c.image.__webglTextureCube)}else s instanceof THREE.WebGLRenderTargetCube?(c=s,r.activeTexture(r.TEXTURE0+l),r.bindTexture(r.TEXTURE_CUBE_MAP,c.__webglTexture)):Q.setTexture(s,l)}else if("tv"===m){void 0===c._array&&(c._array=[]);m=0;for(q=c.value.length;m<q;m++)c._array[m]=z();r.uniform1iv(f,c._array);m=0;for(q=
+c.value.length;m<q;m++)s=c.value[m],l=c._array[m],s&&Q.setTexture(s,l)}(d instanceof THREE.ShaderMaterial||d instanceof THREE.MeshPhongMaterial||d.envMap)&&null!==h.cameraPosition&&(b=a.matrixWorld.getPosition(),r.uniform3f(h.cameraPosition,b.x,b.y,b.z));(d instanceof THREE.MeshPhongMaterial||d instanceof THREE.MeshLambertMaterial||d instanceof THREE.ShaderMaterial||d.skinning)&&null!==h.viewMatrix&&r.uniformMatrix4fv(h.viewMatrix,!1,a._viewMatrixArray)}r.uniformMatrix4fv(h.modelViewMatrix,!1,e._modelViewMatrix.elements);
+h.normalMatrix&&r.uniformMatrix3fv(h.normalMatrix,!1,e._normalMatrix.elements);null!==h.modelMatrix&&r.uniformMatrix4fv(h.modelMatrix,!1,e.matrixWorld.elements);return g}function z(){var a=ma;a>=mc&&console.warn("Trying to use "+a+" texture units while this GPU supports only "+mc);ma+=1;return a}function D(a,b){a._modelViewMatrix.multiply(b.matrixWorldInverse,a.matrixWorld);a._normalMatrix.getInverse(a._modelViewMatrix);a._normalMatrix.transpose()}function I(a,b,c,d){a[b]=c.r*c.r*d;a[b+1]=c.g*c.g*
+d;a[b+2]=c.b*c.b*d}function J(a,b,c,d){a[b]=c.r*d;a[b+1]=c.g*d;a[b+2]=c.b*d}function F(a,b,c){Jb!==a&&(a?r.enable(r.POLYGON_OFFSET_FILL):r.disable(r.POLYGON_OFFSET_FILL),Jb=a);!a||Hb===b&&lb===c||(r.polygonOffset(b,c),Hb=b,lb=c)}function K(a){a=a.split("\n");for(var b=0,c=a.length;b<c;b++)a[b]=b+1+": "+a[b];return a.join("\n")}function L(a,b){var c;"fragment"===a?c=r.createShader(r.FRAGMENT_SHADER):"vertex"===a&&(c=r.createShader(r.VERTEX_SHADER));r.shaderSource(c,b);r.compileShader(c);return r.getShaderParameter(c,
+r.COMPILE_STATUS)?c:(console.error(r.getShaderInfoLog(c)),console.error(K(b)),null)}function H(a){return 0===(a&a-1)}function T(a,b,c){c?(r.texParameteri(a,r.TEXTURE_WRAP_S,O(b.wrapS)),r.texParameteri(a,r.TEXTURE_WRAP_T,O(b.wrapT)),r.texParameteri(a,r.TEXTURE_MAG_FILTER,O(b.magFilter)),r.texParameteri(a,r.TEXTURE_MIN_FILTER,O(b.minFilter))):(r.texParameteri(a,r.TEXTURE_WRAP_S,r.CLAMP_TO_EDGE),r.texParameteri(a,r.TEXTURE_WRAP_T,r.CLAMP_TO_EDGE),r.texParameteri(a,r.TEXTURE_MAG_FILTER,m(b.magFilter)),
+r.texParameteri(a,r.TEXTURE_MIN_FILTER,m(b.minFilter)));tb&&b.type!==THREE.FloatType&&(1<b.anisotropy||b.__oldAnisotropy)&&(r.texParameterf(a,tb.TEXTURE_MAX_ANISOTROPY_EXT,Math.min(b.anisotropy,oc)),b.__oldAnisotropy=b.anisotropy)}function R(a,b){r.bindRenderbuffer(r.RENDERBUFFER,a);b.depthBuffer&&!b.stencilBuffer?(r.renderbufferStorage(r.RENDERBUFFER,r.DEPTH_COMPONENT16,b.width,b.height),r.framebufferRenderbuffer(r.FRAMEBUFFER,r.DEPTH_ATTACHMENT,r.RENDERBUFFER,a)):b.depthBuffer&&b.stencilBuffer?
+(r.renderbufferStorage(r.RENDERBUFFER,r.DEPTH_STENCIL,b.width,b.height),r.framebufferRenderbuffer(r.FRAMEBUFFER,r.DEPTH_STENCIL_ATTACHMENT,r.RENDERBUFFER,a)):r.renderbufferStorage(r.RENDERBUFFER,r.RGBA4,b.width,b.height)}function m(a){return a===THREE.NearestFilter||a===THREE.NearestMipMapNearestFilter||a===THREE.NearestMipMapLinearFilter?r.NEAREST:r.LINEAR}function O(a){if(a===THREE.RepeatWrapping)return r.REPEAT;if(a===THREE.ClampToEdgeWrapping)return r.CLAMP_TO_EDGE;if(a===THREE.MirroredRepeatWrapping)return r.MIRRORED_REPEAT;
+if(a===THREE.NearestFilter)return r.NEAREST;if(a===THREE.NearestMipMapNearestFilter)return r.NEAREST_MIPMAP_NEAREST;if(a===THREE.NearestMipMapLinearFilter)return r.NEAREST_MIPMAP_LINEAR;if(a===THREE.LinearFilter)return r.LINEAR;if(a===THREE.LinearMipMapNearestFilter)return r.LINEAR_MIPMAP_NEAREST;if(a===THREE.LinearMipMapLinearFilter)return r.LINEAR_MIPMAP_LINEAR;if(a===THREE.UnsignedByteType)return r.UNSIGNED_BYTE;if(a===THREE.UnsignedShort4444Type)return r.UNSIGNED_SHORT_4_4_4_4;if(a===THREE.UnsignedShort5551Type)return r.UNSIGNED_SHORT_5_5_5_1;
+if(a===THREE.UnsignedShort565Type)return r.UNSIGNED_SHORT_5_6_5;if(a===THREE.ByteType)return r.BYTE;if(a===THREE.ShortType)return r.SHORT;if(a===THREE.UnsignedShortType)return r.UNSIGNED_SHORT;if(a===THREE.IntType)return r.INT;if(a===THREE.UnsignedIntType)return r.UNSIGNED_INT;if(a===THREE.FloatType)return r.FLOAT;if(a===THREE.AlphaFormat)return r.ALPHA;if(a===THREE.RGBFormat)return r.RGB;if(a===THREE.RGBAFormat)return r.RGBA;if(a===THREE.LuminanceFormat)return r.LUMINANCE;if(a===THREE.LuminanceAlphaFormat)return r.LUMINANCE_ALPHA;
+if(a===THREE.AddEquation)return r.FUNC_ADD;if(a===THREE.SubtractEquation)return r.FUNC_SUBTRACT;if(a===THREE.ReverseSubtractEquation)return r.FUNC_REVERSE_SUBTRACT;if(a===THREE.ZeroFactor)return r.ZERO;if(a===THREE.OneFactor)return r.ONE;if(a===THREE.SrcColorFactor)return r.SRC_COLOR;if(a===THREE.OneMinusSrcColorFactor)return r.ONE_MINUS_SRC_COLOR;if(a===THREE.SrcAlphaFactor)return r.SRC_ALPHA;if(a===THREE.OneMinusSrcAlphaFactor)return r.ONE_MINUS_SRC_ALPHA;if(a===THREE.DstAlphaFactor)return r.DST_ALPHA;
+if(a===THREE.OneMinusDstAlphaFactor)return r.ONE_MINUS_DST_ALPHA;if(a===THREE.DstColorFactor)return r.DST_COLOR;if(a===THREE.OneMinusDstColorFactor)return r.ONE_MINUS_DST_COLOR;if(a===THREE.SrcAlphaSaturateFactor)return r.SRC_ALPHA_SATURATE;if(void 0!==zb){if(a===THREE.RGB_S3TC_DXT1_Format)return zb.COMPRESSED_RGB_S3TC_DXT1_EXT;if(a===THREE.RGBA_S3TC_DXT1_Format)return zb.COMPRESSED_RGBA_S3TC_DXT1_EXT;if(a===THREE.RGBA_S3TC_DXT3_Format)return zb.COMPRESSED_RGBA_S3TC_DXT3_EXT;if(a===THREE.RGBA_S3TC_DXT5_Format)return zb.COMPRESSED_RGBA_S3TC_DXT5_EXT}return 0}
+console.log("THREE.WebGLRenderer",THREE.REVISION);a=a||{};var W=void 0!==a.canvas?a.canvas:document.createElement("canvas"),P=void 0!==a.precision?a.precision:"highp",ha=void 0!==a.alpha?a.alpha:!0,ca=void 0!==a.premultipliedAlpha?a.premultipliedAlpha:!0,oa=void 0!==a.antialias?a.antialias:!1,S=void 0!==a.stencil?a.stencil:!0,Da=void 0!==a.preserveDrawingBuffer?a.preserveDrawingBuffer:!1,N=void 0!==a.clearColor?new THREE.Color(a.clearColor):new THREE.Color(0),da=void 0!==a.clearAlpha?a.clearAlpha:
+0;this.domElement=W;this.context=null;this.autoUpdateScene=this.autoUpdateObjects=this.sortObjects=this.autoClearStencil=this.autoClearDepth=this.autoClearColor=this.autoClear=!0;this.shadowMapEnabled=this.physicallyBasedShading=this.gammaOutput=this.gammaInput=!1;this.shadowMapCullFrontFaces=this.shadowMapSoft=this.shadowMapAutoUpdate=!0;this.shadowMapCascade=this.shadowMapDebug=!1;this.maxMorphTargets=8;this.maxMorphNormals=4;this.autoScaleCubemaps=!0;this.renderPluginsPre=[];this.renderPluginsPost=
+[];this.info={memory:{programs:0,geometries:0,textures:0},render:{calls:0,vertices:0,faces:0,points:0}};var Q=this,U=[],ia=0,ba=null,ga=null,ea=-1,V=null,ka=null,ta=0,ma=0,pa=-1,Ga=-1,Aa=-1,ua=-1,ob=-1,jb=-1,eb=-1,kb=-1,Jb=null,Hb=null,lb=null,za=null,va=0,fb=0,Ha=0,qb=0,Za=0,Ia=0,gb=new THREE.Frustum,$a=new THREE.Matrix4,rb=new THREE.Matrix4,Ba=new THREE.Vector4,wa=new THREE.Vector3,sb=!0,Qa={ambient:[0,0,0],directional:{length:0,colors:[],positions:[]},point:{length:0,colors:[],positions:[],distances:[]},
+spot:{length:0,colors:[],positions:[],distances:[],directions:[],anglesCos:[],exponents:[]},hemi:{length:0,skyColors:[],groundColors:[],positions:[]}},r,tb,zb;try{if(!(r=W.getContext("experimental-webgl",{alpha:ha,premultipliedAlpha:ca,antialias:oa,stencil:S,preserveDrawingBuffer:Da})))throw"Error creating WebGL context.";}catch(vc){console.error(vc)}a=r.getExtension("OES_texture_float");r.getExtension("OES_texture_float_linear");r.getExtension("OES_texture_half_float_linear");ha=r.getExtension("OES_standard_derivatives");
+tb=r.getExtension("EXT_texture_filter_anisotropic")||r.getExtension("MOZ_EXT_texture_filter_anisotropic")||r.getExtension("WEBKIT_EXT_texture_filter_anisotropic");zb=r.getExtension("WEBGL_compressed_texture_s3tc")||r.getExtension("MOZ_WEBGL_compressed_texture_s3tc")||r.getExtension("WEBKIT_WEBGL_compressed_texture_s3tc");a||console.log("THREE.WebGLRenderer: Float textures not supported.");ha||console.log("THREE.WebGLRenderer: Standard derivatives not supported.");tb||console.log("THREE.WebGLRenderer: Anisotropic texture filtering not supported.");
+zb||console.log("THREE.WebGLRenderer: S3TC compressed textures not supported.");r.clearColor(0,0,0,1);r.clearDepth(1);r.clearStencil(0);r.enable(r.DEPTH_TEST);r.depthFunc(r.LEQUAL);r.frontFace(r.CCW);r.cullFace(r.BACK);r.enable(r.CULL_FACE);r.enable(r.BLEND);r.blendEquation(r.FUNC_ADD);r.blendFunc(r.SRC_ALPHA,r.ONE_MINUS_SRC_ALPHA);r.clearColor(N.r,N.g,N.b,da);this.context=r;var mc=r.getParameter(r.MAX_TEXTURE_IMAGE_UNITS),ha=r.getParameter(r.MAX_VERTEX_TEXTURE_IMAGE_UNITS);r.getParameter(r.MAX_TEXTURE_SIZE);
+var fc=r.getParameter(r.MAX_CUBE_MAP_TEXTURE_SIZE),oc=tb?r.getParameter(tb.MAX_TEXTURE_MAX_ANISOTROPY_EXT):0,bc=0<ha,gc=bc&&a;zb&&r.getParameter(r.COMPRESSED_TEXTURE_FORMATS);this.getContext=function(){return r};this.supportsVertexTextures=function(){return bc};this.getMaxAnisotropy=function(){return oc};this.setSize=function(a,b){W.width=a;W.height=b;this.setViewport(0,0,W.width,W.height)};this.setViewport=function(a,b,c,d){va=void 0!==a?a:0;fb=void 0!==b?b:0;Ha=void 0!==c?c:W.width;qb=void 0!==
+d?d:W.height;r.viewport(va,fb,Ha,qb)};this.setScissor=function(a,b,c,d){r.scissor(a,b,c,d)};this.enableScissorTest=function(a){a?r.enable(r.SCISSOR_TEST):r.disable(r.SCISSOR_TEST)};this.setClearColorHex=function(a,b){N.setHex(a);da=b;r.clearColor(N.r,N.g,N.b,da)};this.setClearColor=function(a,b){N.copy(a);da=b;r.clearColor(N.r,N.g,N.b,da)};this.getClearColor=function(){return N};this.getClearAlpha=function(){return da};this.clear=function(a,b,c){var d=0;if(void 0===a||a)d|=r.COLOR_BUFFER_BIT;if(void 0===
+b||b)d|=r.DEPTH_BUFFER_BIT;if(void 0===c||c)d|=r.STENCIL_BUFFER_BIT;r.clear(d)};this.clearTarget=function(a,b,c,d){this.setRenderTarget(a);this.clear(b,c,d)};this.addPostPlugin=function(a){a.init(this);this.renderPluginsPost.push(a)};this.addPrePlugin=function(a){a.init(this);this.renderPluginsPre.push(a)};this.deallocateObject=function(a){if(a.__webglInit)if(a.__webglInit=!1,delete a._modelViewMatrix,delete a._normalMatrix,delete a._normalMatrixArray,delete a._modelViewMatrixArray,delete a._modelMatrixArray,
+a instanceof THREE.Mesh)for(var c in a.geometry.geometryGroups){var d=a.geometry.geometryGroups[c];r.deleteBuffer(d.__webglVertexBuffer);r.deleteBuffer(d.__webglNormalBuffer);r.deleteBuffer(d.__webglTangentBuffer);r.deleteBuffer(d.__webglColorBuffer);r.deleteBuffer(d.__webglUVBuffer);r.deleteBuffer(d.__webglUV2Buffer);r.deleteBuffer(d.__webglSkinIndicesBuffer);r.deleteBuffer(d.__webglSkinWeightsBuffer);r.deleteBuffer(d.__webglFaceBuffer);r.deleteBuffer(d.__webglLineBuffer);var e=void 0,f=void 0;if(d.numMorphTargets)for(e=
+0,f=d.numMorphTargets;e<f;e++)r.deleteBuffer(d.__webglMorphTargetsBuffers[e]);if(d.numMorphNormals)for(e=0,f=d.numMorphNormals;e<f;e++)r.deleteBuffer(d.__webglMorphNormalsBuffers[e]);b(d);Q.info.memory.geometries--}else a instanceof THREE.Ribbon?(a=a.geometry,r.deleteBuffer(a.__webglVertexBuffer),r.deleteBuffer(a.__webglColorBuffer),r.deleteBuffer(a.__webglNormalBuffer),b(a),Q.info.memory.geometries--):a instanceof THREE.Line?(a=a.geometry,r.deleteBuffer(a.__webglVertexBuffer),r.deleteBuffer(a.__webglColorBuffer),
+r.deleteBuffer(a.__webglLineDistanceBuffer),b(a),Q.info.memory.geometries--):a instanceof THREE.ParticleSystem&&(a=a.geometry,r.deleteBuffer(a.__webglVertexBuffer),r.deleteBuffer(a.__webglColorBuffer),b(a),Q.info.memory.geometries--)};this.deallocateTexture=function(a){a.__webglInit&&(a.__webglInit=!1,r.deleteTexture(a.__webglTexture),Q.info.memory.textures--)};this.deallocateRenderTarget=function(a){if(a&&a.__webglTexture)if(r.deleteTexture(a.__webglTexture),a instanceof THREE.WebGLRenderTargetCube)for(var b=
+0;6>b;b++)r.deleteFramebuffer(a.__webglFramebuffer[b]),r.deleteRenderbuffer(a.__webglRenderbuffer[b]);else r.deleteFramebuffer(a.__webglFramebuffer),r.deleteRenderbuffer(a.__webglRenderbuffer)};this.deallocateMaterial=function(a){var b=a.program;if(b){a.program=void 0;var c,d,e=!1;a=0;for(c=U.length;a<c;a++)if(d=U[a],d.program===b){d.usedTimes--;0===d.usedTimes&&(e=!0);break}if(e){e=[];a=0;for(c=U.length;a<c;a++)d=U[a],d.program!==b&&e.push(d);U=e;r.deleteProgram(b);Q.info.memory.programs--}}};this.updateShadowMap=
+function(a,b){ba=null;ea=V=kb=eb=Aa=-1;sb=!0;Ga=pa=-1;this.shadowMapPlugin.update(a,b)};this.renderBufferImmediate=function(a,b,c){a.hasPositions&&!a.__webglVertexBuffer&&(a.__webglVertexBuffer=r.createBuffer());a.hasNormals&&!a.__webglNormalBuffer&&(a.__webglNormalBuffer=r.createBuffer());a.hasUvs&&!a.__webglUvBuffer&&(a.__webglUvBuffer=r.createBuffer());a.hasColors&&!a.__webglColorBuffer&&(a.__webglColorBuffer=r.createBuffer());a.hasPositions&&(r.bindBuffer(r.ARRAY_BUFFER,a.__webglVertexBuffer),
+r.bufferData(r.ARRAY_BUFFER,a.positionArray,r.DYNAMIC_DRAW),r.enableVertexAttribArray(b.attributes.position),r.vertexAttribPointer(b.attributes.position,3,r.FLOAT,!1,0,0));if(a.hasNormals){r.bindBuffer(r.ARRAY_BUFFER,a.__webglNormalBuffer);if(c.shading===THREE.FlatShading){var d,e,f,g,h,k,l,m,s,q,t,v=3*a.count;for(t=0;t<v;t+=9)q=a.normalArray,d=q[t],e=q[t+1],f=q[t+2],g=q[t+3],k=q[t+4],m=q[t+5],h=q[t+6],l=q[t+7],s=q[t+8],d=(d+g+h)/3,e=(e+k+l)/3,f=(f+m+s)/3,q[t]=d,q[t+1]=e,q[t+2]=f,q[t+3]=d,q[t+4]=
+e,q[t+5]=f,q[t+6]=d,q[t+7]=e,q[t+8]=f}r.bufferData(r.ARRAY_BUFFER,a.normalArray,r.DYNAMIC_DRAW);r.enableVertexAttribArray(b.attributes.normal);r.vertexAttribPointer(b.attributes.normal,3,r.FLOAT,!1,0,0)}a.hasUvs&&c.map&&(r.bindBuffer(r.ARRAY_BUFFER,a.__webglUvBuffer),r.bufferData(r.ARRAY_BUFFER,a.uvArray,r.DYNAMIC_DRAW),r.enableVertexAttribArray(b.attributes.uv),r.vertexAttribPointer(b.attributes.uv,2,r.FLOAT,!1,0,0));a.hasColors&&c.vertexColors!==THREE.NoColors&&(r.bindBuffer(r.ARRAY_BUFFER,a.__webglColorBuffer),
+r.bufferData(r.ARRAY_BUFFER,a.colorArray,r.DYNAMIC_DRAW),r.enableVertexAttribArray(b.attributes.color),r.vertexAttribPointer(b.attributes.color,3,r.FLOAT,!1,0,0));r.drawArrays(r.TRIANGLES,0,a.count);a.count=0};this.renderBufferDirect=function(a,b,c,d,e,f){if(!1!==d.visible)if(c=B(a,b,c,d,f),a=c.attributes,b=!1,d=16777215*e.id+2*c.id+(d.wireframe?1:0),d!==V&&(V=d,b=!0),f instanceof THREE.Mesh)for(f=e.offsets,1<f.length&&(b=!0),d=0,c=f.length;d<c;++d){var g=f[d].index;if(b){var h=e.attributes.position,
+k=h.itemSize;r.bindBuffer(r.ARRAY_BUFFER,h.buffer);r.vertexAttribPointer(a.position,k,r.FLOAT,!1,0,g*k*4);h=e.attributes.normal;0<=a.normal&&h&&(k=h.itemSize,r.bindBuffer(r.ARRAY_BUFFER,h.buffer),r.vertexAttribPointer(a.normal,k,r.FLOAT,!1,0,g*k*4));h=e.attributes.uv;0<=a.uv&&h&&(h.buffer?(k=h.itemSize,r.bindBuffer(r.ARRAY_BUFFER,h.buffer),r.vertexAttribPointer(a.uv,k,r.FLOAT,!1,0,g*k*4),r.enableVertexAttribArray(a.uv)):r.disableVertexAttribArray(a.uv));k=e.attributes.color;if(0<=a.color&&k){var l=
+k.itemSize;r.bindBuffer(r.ARRAY_BUFFER,k.buffer);r.vertexAttribPointer(a.color,l,r.FLOAT,!1,0,g*l*4)}h=e.attributes.tangent;0<=a.tangent&&h&&(k=h.itemSize,r.bindBuffer(r.ARRAY_BUFFER,h.buffer),r.vertexAttribPointer(a.tangent,k,r.FLOAT,!1,0,g*k*4));r.bindBuffer(r.ELEMENT_ARRAY_BUFFER,e.attributes.index.buffer)}r.drawElements(r.TRIANGLES,f[d].count,r.UNSIGNED_SHORT,2*f[d].start);Q.info.render.calls++;Q.info.render.vertices+=f[d].count;Q.info.render.faces+=f[d].count/3}else f instanceof THREE.ParticleSystem&&
+b&&(h=e.attributes.position,k=h.itemSize,r.bindBuffer(r.ARRAY_BUFFER,h.buffer),r.vertexAttribPointer(a.position,k,r.FLOAT,!1,0,0),k=e.attributes.color,0<=a.color&&k&&(l=k.itemSize,r.bindBuffer(r.ARRAY_BUFFER,k.buffer),r.vertexAttribPointer(a.color,l,r.FLOAT,!1,0,0)),r.drawArrays(r.POINTS,0,h.numItems/3),Q.info.render.calls++,Q.info.render.points+=h.numItems/3)};this.renderBuffer=function(a,b,c,d,e,f){if(!1!==d.visible){var g,h;c=B(a,b,c,d,f);b=c.attributes;a=!1;c=16777215*e.id+2*c.id+(d.wireframe?
+1:0);c!==V&&(V=c,a=!0);if(!d.morphTargets&&0<=b.position)a&&(r.bindBuffer(r.ARRAY_BUFFER,e.__webglVertexBuffer),r.vertexAttribPointer(b.position,3,r.FLOAT,!1,0,0));else if(f.morphTargetBase){c=d.program.attributes;-1!==f.morphTargetBase?(r.bindBuffer(r.ARRAY_BUFFER,e.__webglMorphTargetsBuffers[f.morphTargetBase]),r.vertexAttribPointer(c.position,3,r.FLOAT,!1,0,0)):0<=c.position&&(r.bindBuffer(r.ARRAY_BUFFER,e.__webglVertexBuffer),r.vertexAttribPointer(c.position,3,r.FLOAT,!1,0,0));if(f.morphTargetForcedOrder.length){var k=
+0;h=f.morphTargetForcedOrder;for(g=f.morphTargetInfluences;k<d.numSupportedMorphTargets&&k<h.length;)r.bindBuffer(r.ARRAY_BUFFER,e.__webglMorphTargetsBuffers[h[k]]),r.vertexAttribPointer(c["morphTarget"+k],3,r.FLOAT,!1,0,0),d.morphNormals&&(r.bindBuffer(r.ARRAY_BUFFER,e.__webglMorphNormalsBuffers[h[k]]),r.vertexAttribPointer(c["morphNormal"+k],3,r.FLOAT,!1,0,0)),f.__webglMorphTargetInfluences[k]=g[h[k]],k++}else{h=[];g=f.morphTargetInfluences;var l,m=g.length;for(l=0;l<m;l++)k=g[l],0<k&&h.push([l,
+k]);h.length>d.numSupportedMorphTargets?(h.sort(s),h.length=d.numSupportedMorphTargets):h.length>d.numSupportedMorphNormals?h.sort(s):0===h.length&&h.push([0,0]);for(k=0;k<d.numSupportedMorphTargets;)h[k]?(l=h[k][0],r.bindBuffer(r.ARRAY_BUFFER,e.__webglMorphTargetsBuffers[l]),r.vertexAttribPointer(c["morphTarget"+k],3,r.FLOAT,!1,0,0),d.morphNormals&&(r.bindBuffer(r.ARRAY_BUFFER,e.__webglMorphNormalsBuffers[l]),r.vertexAttribPointer(c["morphNormal"+k],3,r.FLOAT,!1,0,0)),f.__webglMorphTargetInfluences[k]=
+g[l]):(r.vertexAttribPointer(c["morphTarget"+k],3,r.FLOAT,!1,0,0),d.morphNormals&&r.vertexAttribPointer(c["morphNormal"+k],3,r.FLOAT,!1,0,0),f.__webglMorphTargetInfluences[k]=0),k++}null!==d.program.uniforms.morphTargetInfluences&&r.uniform1fv(d.program.uniforms.morphTargetInfluences,f.__webglMorphTargetInfluences)}if(a){if(e.__webglCustomAttributesList)for(g=0,h=e.__webglCustomAttributesList.length;g<h;g++)c=e.__webglCustomAttributesList[g],0<=b[c.buffer.belongsToAttribute]&&(r.bindBuffer(r.ARRAY_BUFFER,
+c.buffer),r.vertexAttribPointer(b[c.buffer.belongsToAttribute],c.size,r.FLOAT,!1,0,0));0<=b.color&&(r.bindBuffer(r.ARRAY_BUFFER,e.__webglColorBuffer),r.vertexAttribPointer(b.color,3,r.FLOAT,!1,0,0));0<=b.normal&&(r.bindBuffer(r.ARRAY_BUFFER,e.__webglNormalBuffer),r.vertexAttribPointer(b.normal,3,r.FLOAT,!1,0,0));0<=b.tangent&&(r.bindBuffer(r.ARRAY_BUFFER,e.__webglTangentBuffer),r.vertexAttribPointer(b.tangent,4,r.FLOAT,!1,0,0));0<=b.uv&&(e.__webglUVBuffer?(r.bindBuffer(r.ARRAY_BUFFER,e.__webglUVBuffer),
+r.vertexAttribPointer(b.uv,2,r.FLOAT,!1,0,0),r.enableVertexAttribArray(b.uv)):r.disableVertexAttribArray(b.uv));0<=b.uv2&&(e.__webglUV2Buffer?(r.bindBuffer(r.ARRAY_BUFFER,e.__webglUV2Buffer),r.vertexAttribPointer(b.uv2,2,r.FLOAT,!1,0,0),r.enableVertexAttribArray(b.uv2)):r.disableVertexAttribArray(b.uv2));d.skinning&&0<=b.skinIndex&&0<=b.skinWeight&&(r.bindBuffer(r.ARRAY_BUFFER,e.__webglSkinIndicesBuffer),r.vertexAttribPointer(b.skinIndex,4,r.FLOAT,!1,0,0),r.bindBuffer(r.ARRAY_BUFFER,e.__webglSkinWeightsBuffer),
+r.vertexAttribPointer(b.skinWeight,4,r.FLOAT,!1,0,0));0<=b.lineDistance&&(r.bindBuffer(r.ARRAY_BUFFER,e.__webglLineDistanceBuffer),r.vertexAttribPointer(b.lineDistance,1,r.FLOAT,!1,0,0))}f instanceof THREE.Mesh?(d.wireframe?(d=d.wireframeLinewidth,d!==za&&(r.lineWidth(d),za=d),a&&r.bindBuffer(r.ELEMENT_ARRAY_BUFFER,e.__webglLineBuffer),r.drawElements(r.LINES,e.__webglLineCount,r.UNSIGNED_SHORT,0)):(a&&r.bindBuffer(r.ELEMENT_ARRAY_BUFFER,e.__webglFaceBuffer),r.drawElements(r.TRIANGLES,e.__webglFaceCount,
+r.UNSIGNED_SHORT,0)),Q.info.render.calls++,Q.info.render.vertices+=e.__webglFaceCount,Q.info.render.faces+=e.__webglFaceCount/3):f instanceof THREE.Line?(f=f.type===THREE.LineStrip?r.LINE_STRIP:r.LINES,d=d.linewidth,d!==za&&(r.lineWidth(d),za=d),r.drawArrays(f,0,e.__webglLineCount),Q.info.render.calls++):f instanceof THREE.ParticleSystem?(r.drawArrays(r.POINTS,0,e.__webglParticleCount),Q.info.render.calls++,Q.info.render.points+=e.__webglParticleCount):f instanceof THREE.Ribbon&&(r.drawArrays(r.TRIANGLE_STRIP,
+0,e.__webglVertexCount),Q.info.render.calls++)}};this.render=function(a,b,c,d){if(!1===b instanceof THREE.Camera)console.error("THREE.WebGLRenderer.render: camera is not an instance of THREE.Camera.");else{var e,f,g,h,k=a.__lights,l=a.fog;ea=-1;sb=!0;this.autoUpdateScene&&a.updateMatrixWorld();void 0===b.parent&&b.updateMatrixWorld();b._viewMatrixArray||(b._viewMatrixArray=new Float32Array(16));b._projectionMatrixArray||(b._projectionMatrixArray=new Float32Array(16));b.matrixWorldInverse.getInverse(b.matrixWorld);
+b.matrixWorldInverse.flattenToArray(b._viewMatrixArray);b.projectionMatrix.flattenToArray(b._projectionMatrixArray);$a.multiply(b.projectionMatrix,b.matrixWorldInverse);gb.setFromMatrix($a);this.autoUpdateObjects&&this.initWebGLObjects(a);t(this.renderPluginsPre,a,b);Q.info.render.calls=0;Q.info.render.vertices=0;Q.info.render.faces=0;Q.info.render.points=0;this.setRenderTarget(c);(this.autoClear||d)&&this.clear(this.autoClearColor,this.autoClearDepth,this.autoClearStencil);h=a.__webglObjects;d=0;
+for(e=h.length;d<e;d++)if(f=h[d],g=f.object,f.render=!1,g.visible&&(!(g instanceof THREE.Mesh||g instanceof THREE.ParticleSystem)||!g.frustumCulled||gb.contains(g))){D(g,b);var m=f,s=m.buffer,w=void 0,x=w=void 0,x=m.object.material;if(x instanceof THREE.MeshFaceMaterial)w=s.materialIndex,0<=w&&(w=x.materials[w],w.transparent?(m.transparent=w,m.opaque=null):(m.opaque=w,m.transparent=null));else if(w=x)w.transparent?(m.transparent=w,m.opaque=null):(m.opaque=w,m.transparent=null);f.render=!0;!0===this.sortObjects&&
+(null!==g.renderDepth?f.z=g.renderDepth:(Ba.copy(g.matrixWorld.getPosition()),$a.multiplyVector3(Ba),f.z=Ba.z),f.id=g.id)}this.sortObjects&&h.sort(q);h=a.__webglObjectsImmediate;d=0;for(e=h.length;d<e;d++)f=h[d],g=f.object,g.visible&&(D(g,b),g=f.object.material,g.transparent?(f.transparent=g,f.opaque=null):(f.opaque=g,f.transparent=null));a.overrideMaterial?(d=a.overrideMaterial,this.setBlending(d.blending,d.blendEquation,d.blendSrc,d.blendDst),this.setDepthTest(d.depthTest),this.setDepthWrite(d.depthWrite),
+F(d.polygonOffset,d.polygonOffsetFactor,d.polygonOffsetUnits),v(a.__webglObjects,!1,"",b,k,l,!0,d),u(a.__webglObjectsImmediate,"",b,k,l,!1,d)):(this.setBlending(THREE.NormalBlending),v(a.__webglObjects,!0,"opaque",b,k,l,!1),u(a.__webglObjectsImmediate,"opaque",b,k,l,!1),v(a.__webglObjects,!1,"transparent",b,k,l,!0),u(a.__webglObjectsImmediate,"transparent",b,k,l,!0));t(this.renderPluginsPost,a,b);c&&c.generateMipmaps&&c.minFilter!==THREE.NearestFilter&&c.minFilter!==THREE.LinearFilter&&(c instanceof
+THREE.WebGLRenderTargetCube?(r.bindTexture(r.TEXTURE_CUBE_MAP,c.__webglTexture),r.generateMipmap(r.TEXTURE_CUBE_MAP),r.bindTexture(r.TEXTURE_CUBE_MAP,null)):(r.bindTexture(r.TEXTURE_2D,c.__webglTexture),r.generateMipmap(r.TEXTURE_2D),r.bindTexture(r.TEXTURE_2D,null)));this.setDepthTest(!0);this.setDepthWrite(!0)}};this.renderImmediateObject=function(a,b,c,d,e){var f=B(a,b,c,d,e);V=-1;Q.setMaterialFaces(d);e.immediateRenderCallback?e.immediateRenderCallback(f,r,gb):e.render(function(a){Q.renderBufferImmediate(a,
+f,d)})};this.initWebGLObjects=function(a){a.__webglObjects||(a.__webglObjects=[],a.__webglObjectsImmediate=[],a.__webglSprites=[],a.__webglFlares=[]);for(;a.__objectsAdded.length;){var b=a.__objectsAdded[0],m=a,q=void 0,s=void 0,t=void 0,v=void 0;if(!b.__webglInit)if(b.__webglInit=!0,b._modelViewMatrix=new THREE.Matrix4,b._normalMatrix=new THREE.Matrix3,b instanceof THREE.Mesh)if(s=b.geometry,t=b.material,s instanceof THREE.Geometry){if(void 0===s.geometryGroups){var u=s,z=void 0,B=void 0,D=void 0,
+F=void 0,H=void 0,J=void 0,I=void 0,K={},L=u.morphTargets.length,N=u.morphNormals.length,ia=t instanceof THREE.MeshFaceMaterial;u.geometryGroups={};z=0;for(B=u.faces.length;z<B;z++)D=u.faces[z],F=ia?D.materialIndex:void 0,J=void 0!==F?F:-1,void 0===K[J]&&(K[J]={hash:J,counter:0}),I=K[J].hash+"_"+K[J].counter,void 0===u.geometryGroups[I]&&(u.geometryGroups[I]={faces3:[],faces4:[],materialIndex:F,vertices:0,numMorphTargets:L,numMorphNormals:N}),H=D instanceof THREE.Face3?3:4,65535<u.geometryGroups[I].vertices+
+H&&(K[J].counter+=1,I=K[J].hash+"_"+K[J].counter,void 0===u.geometryGroups[I]&&(u.geometryGroups[I]={faces3:[],faces4:[],materialIndex:F,vertices:0,numMorphTargets:L,numMorphNormals:N})),D instanceof THREE.Face3?u.geometryGroups[I].faces3.push(z):u.geometryGroups[I].faces4.push(z),u.geometryGroups[I].vertices+=H;u.geometryGroupsList=[];var V=void 0;for(V in u.geometryGroups)u.geometryGroups[V].id=ta++,u.geometryGroupsList.push(u.geometryGroups[V])}for(q in s.geometryGroups)if(v=s.geometryGroups[q],
+!v.__webglVertexBuffer){var O=v;O.__webglVertexBuffer=r.createBuffer();O.__webglNormalBuffer=r.createBuffer();O.__webglTangentBuffer=r.createBuffer();O.__webglColorBuffer=r.createBuffer();O.__webglUVBuffer=r.createBuffer();O.__webglUV2Buffer=r.createBuffer();O.__webglSkinIndicesBuffer=r.createBuffer();O.__webglSkinWeightsBuffer=r.createBuffer();O.__webglFaceBuffer=r.createBuffer();O.__webglLineBuffer=r.createBuffer();var P=void 0,R=void 0;if(O.numMorphTargets)for(O.__webglMorphTargetsBuffers=[],P=
+0,R=O.numMorphTargets;P<R;P++)O.__webglMorphTargetsBuffers.push(r.createBuffer());if(O.numMorphNormals)for(O.__webglMorphNormalsBuffers=[],P=0,R=O.numMorphNormals;P<R;P++)O.__webglMorphNormalsBuffers.push(r.createBuffer());Q.info.memory.geometries++;d(v,b);s.verticesNeedUpdate=!0;s.morphTargetsNeedUpdate=!0;s.elementsNeedUpdate=!0;s.uvsNeedUpdate=!0;s.normalsNeedUpdate=!0;s.tangentsNeedUpdate=!0;s.colorsNeedUpdate=!0}}else s instanceof THREE.BufferGeometry&&h(s);else if(b instanceof THREE.Ribbon){if(s=
+b.geometry,!s.__webglVertexBuffer){var T=s;T.__webglVertexBuffer=r.createBuffer();T.__webglColorBuffer=r.createBuffer();T.__webglNormalBuffer=r.createBuffer();Q.info.memory.geometries++;var U=s,ga=b,S=U.vertices.length;U.__vertexArray=new Float32Array(3*S);U.__colorArray=new Float32Array(3*S);U.__normalArray=new Float32Array(3*S);U.__webglVertexCount=S;c(U,ga);s.verticesNeedUpdate=!0;s.colorsNeedUpdate=!0;s.normalsNeedUpdate=!0}}else if(b instanceof THREE.Line){if(s=b.geometry,!s.__webglVertexBuffer){var ba=
+s;ba.__webglVertexBuffer=r.createBuffer();ba.__webglColorBuffer=r.createBuffer();ba.__webglLineDistanceBuffer=r.createBuffer();Q.info.memory.geometries++;var ea=s,da=b,W=ea.vertices.length;ea.__vertexArray=new Float32Array(3*W);ea.__colorArray=new Float32Array(3*W);ea.__lineDistanceArray=new Float32Array(1*W);ea.__webglLineCount=W;c(ea,da);s.verticesNeedUpdate=!0;s.colorsNeedUpdate=!0;s.lineDistancesNeedUpdate=!0}}else if(b instanceof THREE.ParticleSystem&&(s=b.geometry,!s.__webglVertexBuffer))if(s instanceof
+THREE.Geometry){var ka=s;ka.__webglVertexBuffer=r.createBuffer();ka.__webglColorBuffer=r.createBuffer();Q.info.memory.geometries++;var ca=s,ha=b,pa=ca.vertices.length;ca.__vertexArray=new Float32Array(3*pa);ca.__colorArray=new Float32Array(3*pa);ca.__sortArray=[];ca.__webglParticleCount=pa;c(ca,ha);s.verticesNeedUpdate=!0;s.colorsNeedUpdate=!0}else s instanceof THREE.BufferGeometry&&h(s);if(!b.__webglActive){if(b instanceof THREE.Mesh)if(s=b.geometry,s instanceof THREE.BufferGeometry)w(m.__webglObjects,
+s,b);else for(q in s.geometryGroups)v=s.geometryGroups[q],w(m.__webglObjects,v,b);else b instanceof THREE.Ribbon||b instanceof THREE.Line||b instanceof THREE.ParticleSystem?(s=b.geometry,w(m.__webglObjects,s,b)):b instanceof THREE.ImmediateRenderObject||b.immediateRenderCallback?m.__webglObjectsImmediate.push({object:b,opaque:null,transparent:null,z:0}):b instanceof THREE.Sprite?m.__webglSprites.push(b):b instanceof THREE.LensFlare&&m.__webglFlares.push(b);b.__webglActive=!0}a.__objectsAdded.splice(0,
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+Y.geometryGroupsList[dd],Wa=e(qa,Va),Y.buffersNeedUpdate&&d(Va,qa),Ib=Wa.attributes&&x(Wa),Y.verticesNeedUpdate||Y.morphTargetsNeedUpdate||Y.elementsNeedUpdate||Y.uvsNeedUpdate||Y.normalsNeedUpdate||Y.colorsNeedUpdate||Y.tangentsNeedUpdate||Ib){var sa=Va,Id=qa,Bb=r.DYNAMIC_DRAW,Jd=!Y.dynamic,jc=Wa;if(sa.__inittedArrays){var pd=f(jc),ed=jc.vertexColors?jc.vertexColors:!1,qd=g(jc),Kc=pd===THREE.SmoothShading,M=void 0,fa=void 0,cc=void 0,Z=void 0,Ga=void 0,Aa=void 0,Lb=void 0,Ia=void 0,Ab=void 0,Cb=
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+ra.y,cb[Ta+11]=ra.z,Ta+=12;r.bindBuffer(r.ARRAY_BUFFER,sa.__webglVertexBuffer);r.bufferData(r.ARRAY_BUFFER,cb,Bb)}if(vc)for(bb=0,sb=ec.length;bb<sb;bb++){M=na=0;for(fa=xa.length;M<fa;M++)fb=xa[M],Z=nb[fb],$=ec[bb].vertices[Z.a],aa=ec[bb].vertices[Z.b],X=ec[bb].vertices[Z.c],Xa=zb[bb],Xa[na]=$.x,Xa[na+1]=$.y,Xa[na+2]=$.z,Xa[na+3]=aa.x,Xa[na+4]=aa.y,Xa[na+5]=aa.z,Xa[na+6]=X.x,Xa[na+7]=X.y,Xa[na+8]=X.z,jc.morphNormals&&(Kc?(Za=Lc[bb].vertexNormals[fb],Rb=Za.a,Sb=Za.b,Tb=Za.c):Tb=Sb=Rb=Lc[bb].faceNormals[fb],
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+xa.length;M<fa;M++)Z=nb[xa[M]],wa=dc[Z.a],za=dc[Z.b],Ba=dc[Z.c],Oa[la]=wa.x,Oa[la+1]=wa.y,Oa[la+2]=wa.z,Oa[la+3]=wa.w,Oa[la+4]=za.x,Oa[la+5]=za.y,Oa[la+6]=za.z,Oa[la+7]=za.w,Oa[la+8]=Ba.x,Oa[la+9]=Ba.y,Oa[la+10]=Ba.z,Oa[la+11]=Ba.w,Wb=lc[Z.a],Qa=lc[Z.b],Xb=lc[Z.c],Na[la]=Wb.x,Na[la+1]=Wb.y,Na[la+2]=Wb.z,Na[la+3]=Wb.w,Na[la+4]=Qa.x,Na[la+5]=Qa.y,Na[la+6]=Qa.z,Na[la+7]=Qa.w,Na[la+8]=Xb.x,Na[la+9]=Xb.y,Na[la+10]=Xb.z,Na[la+11]=Xb.w,la+=12;M=0;for(fa=ya.length;M<fa;M++)Z=nb[ya[M]],wa=dc[Z.a],za=dc[Z.b],
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+ob.z,Na[la+15]=ob.w,la+=16;0<la&&(r.bindBuffer(r.ARRAY_BUFFER,sa.__webglSkinIndicesBuffer),r.bufferData(r.ARRAY_BUFFER,Na,Bb),r.bindBuffer(r.ARRAY_BUFFER,sa.__webglSkinWeightsBuffer),r.bufferData(r.ARRAY_BUFFER,Oa,Bb))}if(oc&&ed){M=0;for(fa=xa.length;M<fa;M++)Z=nb[xa[M]],Lb=Z.vertexColors,Ia=Z.color,3===Lb.length&&ed===THREE.VertexColors?(Ub=Lb[0],Vb=Lb[1],va=Lb[2]):va=Vb=Ub=Ia,db[Sa]=Ub.r,db[Sa+1]=Ub.g,db[Sa+2]=Ub.b,db[Sa+3]=Vb.r,db[Sa+4]=Vb.g,db[Sa+5]=Vb.b,db[Sa+6]=va.r,db[Sa+7]=va.g,db[Sa+8]=va.b,
+Sa+=9;M=0;for(fa=ya.length;M<fa;M++)Z=nb[ya[M]],Lb=Z.vertexColors,Ia=Z.color,4===Lb.length&&ed===THREE.VertexColors?(Ub=Lb[0],Vb=Lb[1],va=Lb[2],Ha=Lb[3]):Ha=va=Vb=Ub=Ia,db[Sa]=Ub.r,db[Sa+1]=Ub.g,db[Sa+2]=Ub.b,db[Sa+3]=Vb.r,db[Sa+4]=Vb.g,db[Sa+5]=Vb.b,db[Sa+6]=va.r,db[Sa+7]=va.g,db[Sa+8]=va.b,db[Sa+9]=Ha.r,db[Sa+10]=Ha.g,db[Sa+11]=Ha.b,Sa+=12;0<Sa&&(r.bindBuffer(r.ARRAY_BUFFER,sa.__webglColorBuffer),r.bufferData(r.ARRAY_BUFFER,db,Bb))}if(mc&&vb.hasTangents){M=0;for(fa=xa.length;M<fa;M++)Z=nb[xa[M]],
+Ab=Z.vertexTangents,Ob=Ab[0],Pb=Ab[1],Qb=Ab[2],Ma[Ja]=Ob.x,Ma[Ja+1]=Ob.y,Ma[Ja+2]=Ob.z,Ma[Ja+3]=Ob.w,Ma[Ja+4]=Pb.x,Ma[Ja+5]=Pb.y,Ma[Ja+6]=Pb.z,Ma[Ja+7]=Pb.w,Ma[Ja+8]=Qb.x,Ma[Ja+9]=Qb.y,Ma[Ja+10]=Qb.z,Ma[Ja+11]=Qb.w,Ja+=12;M=0;for(fa=ya.length;M<fa;M++)Z=nb[ya[M]],Ab=Z.vertexTangents,Ob=Ab[0],Pb=Ab[1],Qb=Ab[2],xc=Ab[3],Ma[Ja]=Ob.x,Ma[Ja+1]=Ob.y,Ma[Ja+2]=Ob.z,Ma[Ja+3]=Ob.w,Ma[Ja+4]=Pb.x,Ma[Ja+5]=Pb.y,Ma[Ja+6]=Pb.z,Ma[Ja+7]=Pb.w,Ma[Ja+8]=Qb.x,Ma[Ja+9]=Qb.y,Ma[Ja+10]=Qb.z,Ma[Ja+11]=Qb.w,Ma[Ja+12]=xc.x,
+Ma[Ja+13]=xc.y,Ma[Ja+14]=xc.z,Ma[Ja+15]=xc.w,Ja+=16;r.bindBuffer(r.ARRAY_BUFFER,sa.__webglTangentBuffer);r.bufferData(r.ARRAY_BUFFER,Ma,Bb)}if(gc&&pd){M=0;for(fa=xa.length;M<fa;M++)if(Z=nb[xa[M]],Ga=Z.vertexNormals,Aa=Z.normal,3===Ga.length&&Kc)for(Ca=0;3>Ca;Ca++)jb=Ga[Ca],Eb[mb]=jb.x,Eb[mb+1]=jb.y,Eb[mb+2]=jb.z,mb+=3;else for(Ca=0;3>Ca;Ca++)Eb[mb]=Aa.x,Eb[mb+1]=Aa.y,Eb[mb+2]=Aa.z,mb+=3;M=0;for(fa=ya.length;M<fa;M++)if(Z=nb[ya[M]],Ga=Z.vertexNormals,Aa=Z.normal,4===Ga.length&&Kc)for(Ca=0;4>Ca;Ca++)jb=
+Ga[Ca],Eb[mb]=jb.x,Eb[mb+1]=jb.y,Eb[mb+2]=jb.z,mb+=3;else for(Ca=0;4>Ca;Ca++)Eb[mb]=Aa.x,Eb[mb+1]=Aa.y,Eb[mb+2]=Aa.z,mb+=3;r.bindBuffer(r.ARRAY_BUFFER,sa.__webglNormalBuffer);r.bufferData(r.ARRAY_BUFFER,Eb,Bb)}if(bc&&fd&&qd){M=0;for(fa=xa.length;M<fa;M++)if(cc=xa[M],Cb=fd[cc],void 0!==Cb)for(Ca=0;3>Ca;Ca++)kb=Cb[Ca],rb[$a]=kb.u,rb[$a+1]=kb.v,$a+=2;M=0;for(fa=ya.length;M<fa;M++)if(cc=ya[M],Cb=fd[cc],void 0!==Cb)for(Ca=0;4>Ca;Ca++)kb=Cb[Ca],rb[$a]=kb.u,rb[$a+1]=kb.v,$a+=2;0<$a&&(r.bindBuffer(r.ARRAY_BUFFER,
+sa.__webglUVBuffer),r.bufferData(r.ARRAY_BUFFER,rb,Bb))}if(bc&&gd&&qd){M=0;for(fa=xa.length;M<fa;M++)if(cc=xa[M],sc=gd[cc],void 0!==sc)for(Ca=0;3>Ca;Ca++)lb=sc[Ca],tb[gb]=lb.u,tb[gb+1]=lb.v,gb+=2;M=0;for(fa=ya.length;M<fa;M++)if(cc=ya[M],sc=gd[cc],void 0!==sc)for(Ca=0;4>Ca;Ca++)lb=sc[Ca],tb[gb]=lb.u,tb[gb+1]=lb.v,gb+=2;0<gb&&(r.bindBuffer(r.ARRAY_BUFFER,sa.__webglUV2Buffer),r.bufferData(r.ARRAY_BUFFER,tb,Bb))}if(fc){M=0;for(fa=xa.length;M<fa;M++)Yb[Db]=Ra,Yb[Db+1]=Ra+1,Yb[Db+2]=Ra+2,Db+=3,yb[pb]=
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+yb,Bb)}if(Jb)for(Ca=0,qb=Jb.length;Ca<qb;Ca++)if(E=Jb[Ca],E.__original.needsUpdate){G=0;if(1===E.size)if(void 0===E.boundTo||"vertices"===E.boundTo){M=0;for(fa=xa.length;M<fa;M++)Z=nb[xa[M]],E.array[G]=E.value[Z.a],E.array[G+1]=E.value[Z.b],E.array[G+2]=E.value[Z.c],G+=3;M=0;for(fa=ya.length;M<fa;M++)Z=nb[ya[M]],E.array[G]=E.value[Z.a],E.array[G+1]=E.value[Z.b],E.array[G+2]=E.value[Z.c],E.array[G+3]=E.value[Z.d],G+=4}else{if("faces"===E.boundTo){M=0;for(fa=xa.length;M<fa;M++)Ea=E.value[xa[M]],E.array[G]=
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+E.array[G+4]=aa[ja[1]],E.array[G+5]=aa[ja[2]],E.array[G+6]=X[ja[0]],E.array[G+7]=X[ja[1]],E.array[G+8]=X[ja[2]],G+=9;M=0;for(fa=ya.length;M<fa;M++)ra=X=aa=$=Ea=E.value[ya[M]],E.array[G]=$[ja[0]],E.array[G+1]=$[ja[1]],E.array[G+2]=$[ja[2]],E.array[G+3]=aa[ja[0]],E.array[G+4]=aa[ja[1]],E.array[G+5]=aa[ja[2]],E.array[G+6]=X[ja[0]],E.array[G+7]=X[ja[1]],E.array[G+8]=X[ja[2]],E.array[G+9]=ra[ja[0]],E.array[G+10]=ra[ja[1]],E.array[G+11]=ra[ja[2]],G+=12}else if("faceVertices"===E.boundTo){M=0;for(fa=xa.length;M<
+fa;M++)Ea=E.value[xa[M]],$=Ea[0],aa=Ea[1],X=Ea[2],E.array[G]=$[ja[0]],E.array[G+1]=$[ja[1]],E.array[G+2]=$[ja[2]],E.array[G+3]=aa[ja[0]],E.array[G+4]=aa[ja[1]],E.array[G+5]=aa[ja[2]],E.array[G+6]=X[ja[0]],E.array[G+7]=X[ja[1]],E.array[G+8]=X[ja[2]],G+=9;M=0;for(fa=ya.length;M<fa;M++)Ea=E.value[ya[M]],$=Ea[0],aa=Ea[1],X=Ea[2],ra=Ea[3],E.array[G]=$[ja[0]],E.array[G+1]=$[ja[1]],E.array[G+2]=$[ja[2]],E.array[G+3]=aa[ja[0]],E.array[G+4]=aa[ja[1]],E.array[G+5]=aa[ja[2]],E.array[G+6]=X[ja[0]],E.array[G+
+7]=X[ja[1]],E.array[G+8]=X[ja[2]],E.array[G+9]=ra[ja[0]],E.array[G+10]=ra[ja[1]],E.array[G+11]=ra[ja[2]],G+=12}}else if(4===E.size)if(void 0===E.boundTo||"vertices"===E.boundTo){M=0;for(fa=xa.length;M<fa;M++)Z=nb[xa[M]],$=E.value[Z.a],aa=E.value[Z.b],X=E.value[Z.c],E.array[G]=$.x,E.array[G+1]=$.y,E.array[G+2]=$.z,E.array[G+3]=$.w,E.array[G+4]=aa.x,E.array[G+5]=aa.y,E.array[G+6]=aa.z,E.array[G+7]=aa.w,E.array[G+8]=X.x,E.array[G+9]=X.y,E.array[G+10]=X.z,E.array[G+11]=X.w,G+=12;M=0;for(fa=ya.length;M<
+fa;M++)Z=nb[ya[M]],$=E.value[Z.a],aa=E.value[Z.b],X=E.value[Z.c],ra=E.value[Z.d],E.array[G]=$.x,E.array[G+1]=$.y,E.array[G+2]=$.z,E.array[G+3]=$.w,E.array[G+4]=aa.x,E.array[G+5]=aa.y,E.array[G+6]=aa.z,E.array[G+7]=aa.w,E.array[G+8]=X.x,E.array[G+9]=X.y,E.array[G+10]=X.z,E.array[G+11]=X.w,E.array[G+12]=ra.x,E.array[G+13]=ra.y,E.array[G+14]=ra.z,E.array[G+15]=ra.w,G+=16}else if("faces"===E.boundTo){M=0;for(fa=xa.length;M<fa;M++)X=aa=$=Ea=E.value[xa[M]],E.array[G]=$.x,E.array[G+1]=$.y,E.array[G+2]=$.z,
+E.array[G+3]=$.w,E.array[G+4]=aa.x,E.array[G+5]=aa.y,E.array[G+6]=aa.z,E.array[G+7]=aa.w,E.array[G+8]=X.x,E.array[G+9]=X.y,E.array[G+10]=X.z,E.array[G+11]=X.w,G+=12;M=0;for(fa=ya.length;M<fa;M++)ra=X=aa=$=Ea=E.value[ya[M]],E.array[G]=$.x,E.array[G+1]=$.y,E.array[G+2]=$.z,E.array[G+3]=$.w,E.array[G+4]=aa.x,E.array[G+5]=aa.y,E.array[G+6]=aa.z,E.array[G+7]=aa.w,E.array[G+8]=X.x,E.array[G+9]=X.y,E.array[G+10]=X.z,E.array[G+11]=X.w,E.array[G+12]=ra.x,E.array[G+13]=ra.y,E.array[G+14]=ra.z,E.array[G+15]=
+ra.w,G+=16}else if("faceVertices"===E.boundTo){M=0;for(fa=xa.length;M<fa;M++)Ea=E.value[xa[M]],$=Ea[0],aa=Ea[1],X=Ea[2],E.array[G]=$.x,E.array[G+1]=$.y,E.array[G+2]=$.z,E.array[G+3]=$.w,E.array[G+4]=aa.x,E.array[G+5]=aa.y,E.array[G+6]=aa.z,E.array[G+7]=aa.w,E.array[G+8]=X.x,E.array[G+9]=X.y,E.array[G+10]=X.z,E.array[G+11]=X.w,G+=12;M=0;for(fa=ya.length;M<fa;M++)Ea=E.value[ya[M]],$=Ea[0],aa=Ea[1],X=Ea[2],ra=Ea[3],E.array[G]=$.x,E.array[G+1]=$.y,E.array[G+2]=$.z,E.array[G+3]=$.w,E.array[G+4]=aa.x,E.array[G+
+5]=aa.y,E.array[G+6]=aa.z,E.array[G+7]=aa.w,E.array[G+8]=X.x,E.array[G+9]=X.y,E.array[G+10]=X.z,E.array[G+11]=X.w,E.array[G+12]=ra.x,E.array[G+13]=ra.y,E.array[G+14]=ra.z,E.array[G+15]=ra.w,G+=16}r.bindBuffer(r.ARRAY_BUFFER,E.buffer);r.bufferData(r.ARRAY_BUFFER,E.array,Bb)}Jd&&(delete sa.__inittedArrays,delete sa.__colorArray,delete sa.__normalArray,delete sa.__tangentArray,delete sa.__uvArray,delete sa.__uv2Array,delete sa.__faceArray,delete sa.__vertexArray,delete sa.__lineArray,delete sa.__skinIndexArray,
+delete sa.__skinWeightArray)}}Y.verticesNeedUpdate=!1;Y.morphTargetsNeedUpdate=!1;Y.elementsNeedUpdate=!1;Y.uvsNeedUpdate=!1;Y.normalsNeedUpdate=!1;Y.colorsNeedUpdate=!1;Y.tangentsNeedUpdate=!1;Y.buffersNeedUpdate=!1;Wa.attributes&&y(Wa)}else if(qa instanceof THREE.Ribbon){Wa=e(qa,Y);Ib=Wa.attributes&&x(Wa);if(Y.verticesNeedUpdate||Y.colorsNeedUpdate||Y.normalsNeedUpdate||Ib){var Fb=Y,Mc=r.DYNAMIC_DRAW,zc=void 0,Ac=void 0,Bc=void 0,Nc=void 0,Fa=void 0,Oc=void 0,Pc=void 0,Qc=void 0,rd=void 0,hb=void 0,
+tc=void 0,Ka=void 0,wb=void 0,sd=Fb.vertices,td=Fb.colors,ud=Fb.normals,Kd=sd.length,Ld=td.length,Md=ud.length,Rc=Fb.__vertexArray,Sc=Fb.__colorArray,Tc=Fb.__normalArray,Nd=Fb.colorsNeedUpdate,Od=Fb.normalsNeedUpdate,hd=Fb.__webglCustomAttributesList;if(Fb.verticesNeedUpdate){for(zc=0;zc<Kd;zc++)Nc=sd[zc],Fa=3*zc,Rc[Fa]=Nc.x,Rc[Fa+1]=Nc.y,Rc[Fa+2]=Nc.z;r.bindBuffer(r.ARRAY_BUFFER,Fb.__webglVertexBuffer);r.bufferData(r.ARRAY_BUFFER,Rc,Mc)}if(Nd){for(Ac=0;Ac<Ld;Ac++)Oc=td[Ac],Fa=3*Ac,Sc[Fa]=Oc.r,Sc[Fa+
+1]=Oc.g,Sc[Fa+2]=Oc.b;r.bindBuffer(r.ARRAY_BUFFER,Fb.__webglColorBuffer);r.bufferData(r.ARRAY_BUFFER,Sc,Mc)}if(Od){for(Bc=0;Bc<Md;Bc++)Pc=ud[Bc],Fa=3*Bc,Tc[Fa]=Pc.x,Tc[Fa+1]=Pc.y,Tc[Fa+2]=Pc.z;r.bindBuffer(r.ARRAY_BUFFER,Fb.__webglNormalBuffer);r.bufferData(r.ARRAY_BUFFER,Tc,Mc)}if(hd)for(Qc=0,rd=hd.length;Qc<rd;Qc++)if(Ka=hd[Qc],Ka.needsUpdate&&(void 0===Ka.boundTo||"vertices"===Ka.boundTo)){Fa=0;tc=Ka.value.length;if(1===Ka.size)for(hb=0;hb<tc;hb++)Ka.array[hb]=Ka.value[hb];else if(2===Ka.size)for(hb=
+0;hb<tc;hb++)wb=Ka.value[hb],Ka.array[Fa]=wb.x,Ka.array[Fa+1]=wb.y,Fa+=2;else if(3===Ka.size)if("c"===Ka.type)for(hb=0;hb<tc;hb++)wb=Ka.value[hb],Ka.array[Fa]=wb.r,Ka.array[Fa+1]=wb.g,Ka.array[Fa+2]=wb.b,Fa+=3;else for(hb=0;hb<tc;hb++)wb=Ka.value[hb],Ka.array[Fa]=wb.x,Ka.array[Fa+1]=wb.y,Ka.array[Fa+2]=wb.z,Fa+=3;else if(4===Ka.size)for(hb=0;hb<tc;hb++)wb=Ka.value[hb],Ka.array[Fa]=wb.x,Ka.array[Fa+1]=wb.y,Ka.array[Fa+2]=wb.z,Ka.array[Fa+3]=wb.w,Fa+=4;r.bindBuffer(r.ARRAY_BUFFER,Ka.buffer);r.bufferData(r.ARRAY_BUFFER,
+Ka.array,Mc)}}Y.verticesNeedUpdate=!1;Y.colorsNeedUpdate=!1;Y.normalsNeedUpdate=!1;Wa.attributes&&y(Wa)}else if(qa instanceof THREE.Line){Wa=e(qa,Y);Ib=Wa.attributes&&x(Wa);if(Y.verticesNeedUpdate||Y.colorsNeedUpdate||Y.lineDistancesNeedUpdate||Ib){var Gb=Y,Uc=r.DYNAMIC_DRAW,Cc=void 0,Dc=void 0,Ec=void 0,Vc=void 0,Pa=void 0,Wc=void 0,vd=Gb.vertices,wd=Gb.colors,xd=Gb.lineDistances,Pd=vd.length,Qd=wd.length,Rd=xd.length,Xc=Gb.__vertexArray,Yc=Gb.__colorArray,yd=Gb.__lineDistanceArray,Sd=Gb.colorsNeedUpdate,
+Td=Gb.lineDistancesNeedUpdate,id=Gb.__webglCustomAttributesList,Zc=void 0,zd=void 0,ib=void 0,uc=void 0,xb=void 0,La=void 0;if(Gb.verticesNeedUpdate){for(Cc=0;Cc<Pd;Cc++)Vc=vd[Cc],Pa=3*Cc,Xc[Pa]=Vc.x,Xc[Pa+1]=Vc.y,Xc[Pa+2]=Vc.z;r.bindBuffer(r.ARRAY_BUFFER,Gb.__webglVertexBuffer);r.bufferData(r.ARRAY_BUFFER,Xc,Uc)}if(Sd){for(Dc=0;Dc<Qd;Dc++)Wc=wd[Dc],Pa=3*Dc,Yc[Pa]=Wc.r,Yc[Pa+1]=Wc.g,Yc[Pa+2]=Wc.b;r.bindBuffer(r.ARRAY_BUFFER,Gb.__webglColorBuffer);r.bufferData(r.ARRAY_BUFFER,Yc,Uc)}if(Td){for(Ec=0;Ec<
+Rd;Ec++)yd[Ec]=xd[Ec];r.bindBuffer(r.ARRAY_BUFFER,Gb.__webglLineDistanceBuffer);r.bufferData(r.ARRAY_BUFFER,yd,Uc)}if(id)for(Zc=0,zd=id.length;Zc<zd;Zc++)if(La=id[Zc],La.needsUpdate&&(void 0===La.boundTo||"vertices"===La.boundTo)){Pa=0;uc=La.value.length;if(1===La.size)for(ib=0;ib<uc;ib++)La.array[ib]=La.value[ib];else if(2===La.size)for(ib=0;ib<uc;ib++)xb=La.value[ib],La.array[Pa]=xb.x,La.array[Pa+1]=xb.y,Pa+=2;else if(3===La.size)if("c"===La.type)for(ib=0;ib<uc;ib++)xb=La.value[ib],La.array[Pa]=
+xb.r,La.array[Pa+1]=xb.g,La.array[Pa+2]=xb.b,Pa+=3;else for(ib=0;ib<uc;ib++)xb=La.value[ib],La.array[Pa]=xb.x,La.array[Pa+1]=xb.y,La.array[Pa+2]=xb.z,Pa+=3;else if(4===La.size)for(ib=0;ib<uc;ib++)xb=La.value[ib],La.array[Pa]=xb.x,La.array[Pa+1]=xb.y,La.array[Pa+2]=xb.z,La.array[Pa+3]=xb.w,Pa+=4;r.bindBuffer(r.ARRAY_BUFFER,La.buffer);r.bufferData(r.ARRAY_BUFFER,La.array,Uc)}}Y.verticesNeedUpdate=!1;Y.colorsNeedUpdate=!1;Y.lineDistancesNeedUpdate=!1;Wa.attributes&&y(Wa)}else qa instanceof THREE.ParticleSystem&&
+(Y instanceof THREE.BufferGeometry?((Y.verticesNeedUpdate||Y.colorsNeedUpdate)&&k(Y,r.DYNAMIC_DRAW,!Y.dynamic),Y.verticesNeedUpdate=!1,Y.colorsNeedUpdate=!1):(Wa=e(qa,Y),Ib=Wa.attributes&&x(Wa),(Y.verticesNeedUpdate||Y.colorsNeedUpdate||qa.sortParticles||Ib)&&l(Y,r.DYNAMIC_DRAW,qa),Y.verticesNeedUpdate=!1,Y.colorsNeedUpdate=!1,Wa.attributes&&y(Wa)))}};this.initMaterial=function(a,b,c,d){var e,f,g,h,k,l,m,s,q;a instanceof THREE.MeshDepthMaterial?q="depth":a instanceof THREE.MeshNormalMaterial?q="normal":
+a instanceof THREE.MeshBasicMaterial?q="basic":a instanceof THREE.MeshLambertMaterial?q="lambert":a instanceof THREE.MeshPhongMaterial?q="phong":a instanceof THREE.LineBasicMaterial?q="basic":a instanceof THREE.LineDashedMaterial?q="dashed":a instanceof THREE.ParticleBasicMaterial&&(q="particle_basic");if(q){var t=THREE.ShaderLib[q];a.uniforms=THREE.UniformsUtils.clone(t.uniforms);a.vertexShader=t.vertexShader;a.fragmentShader=t.fragmentShader}var u,v,w;e=u=v=w=t=0;for(f=b.length;e<f;e++)g=b[e],g.onlyShadow||
+(g instanceof THREE.DirectionalLight&&u++,g instanceof THREE.PointLight&&v++,g instanceof THREE.SpotLight&&w++,g instanceof THREE.HemisphereLight&&t++);e=u;f=v;g=w;h=t;t=u=0;for(w=b.length;t<w;t++)v=b[t],v.castShadow&&(v instanceof THREE.SpotLight&&u++,v instanceof THREE.DirectionalLight&&!v.shadowCascade&&u++);s=u;gc&&d&&d.useVertexTexture?m=1024:(b=r.getParameter(r.MAX_VERTEX_UNIFORM_VECTORS),b=Math.floor((b-20)/4),void 0!==d&&d instanceof THREE.SkinnedMesh&&(b=Math.min(d.bones.length,b),b<d.bones.length&&
+console.warn("WebGLRenderer: too many bones - "+d.bones.length+", this GPU supports just "+b+" (try OpenGL instead of ANGLE)")),m=b);var x;a:{v=a.fragmentShader;w=a.vertexShader;t=a.uniforms;b=a.attributes;u=a.defines;c={map:!!a.map,envMap:!!a.envMap,lightMap:!!a.lightMap,bumpMap:!!a.bumpMap,normalMap:!!a.normalMap,specularMap:!!a.specularMap,vertexColors:a.vertexColors,fog:c,useFog:a.fog,fogExp:c instanceof THREE.FogExp2,sizeAttenuation:a.sizeAttenuation,skinning:a.skinning,maxBones:m,useVertexTexture:gc&&
+d&&d.useVertexTexture,boneTextureWidth:d&&d.boneTextureWidth,boneTextureHeight:d&&d.boneTextureHeight,morphTargets:a.morphTargets,morphNormals:a.morphNormals,maxMorphTargets:this.maxMorphTargets,maxMorphNormals:this.maxMorphNormals,maxDirLights:e,maxPointLights:f,maxSpotLights:g,maxHemiLights:h,maxShadows:s,shadowMapEnabled:this.shadowMapEnabled&&d.receiveShadow,shadowMapSoft:this.shadowMapSoft,shadowMapDebug:this.shadowMapDebug,shadowMapCascade:this.shadowMapCascade,alphaTest:a.alphaTest,metal:a.metal,
+perPixel:a.perPixel,wrapAround:a.wrapAround,doubleSided:a.side===THREE.DoubleSide,flipSided:a.side===THREE.BackSide};var y,z,A;d=[];q?d.push(q):(d.push(v),d.push(w));for(z in u)d.push(z),d.push(u[z]);for(y in c)d.push(y),d.push(c[y]);q=d.join();y=0;for(z=U.length;y<z;y++)if(d=U[y],d.code===q){d.usedTimes++;x=d.program;break a}y=[];for(A in u)z=u[A],!1!==z&&(z="#define "+A+" "+z,y.push(z));z=y.join("\n");A=r.createProgram();y=["precision "+P+" float;",z,bc?"#define VERTEX_TEXTURES":"",Q.gammaInput?
+"#define GAMMA_INPUT":"",Q.gammaOutput?"#define GAMMA_OUTPUT":"",Q.physicallyBasedShading?"#define PHYSICALLY_BASED_SHADING":"","#define MAX_DIR_LIGHTS "+c.maxDirLights,"#define MAX_POINT_LIGHTS "+c.maxPointLights,"#define MAX_SPOT_LIGHTS "+c.maxSpotLights,"#define MAX_HEMI_LIGHTS "+c.maxHemiLights,"#define MAX_SHADOWS "+c.maxShadows,"#define MAX_BONES "+c.maxBones,c.map?"#define USE_MAP":"",c.envMap?"#define USE_ENVMAP":"",c.lightMap?"#define USE_LIGHTMAP":"",c.bumpMap?"#define USE_BUMPMAP":"",c.normalMap?
+"#define USE_NORMALMAP":"",c.specularMap?"#define USE_SPECULARMAP":"",c.vertexColors?"#define USE_COLOR":"",c.skinning?"#define USE_SKINNING":"",c.useVertexTexture?"#define BONE_TEXTURE":"",c.boneTextureWidth?"#define N_BONE_PIXEL_X "+c.boneTextureWidth.toFixed(1):"",c.boneTextureHeight?"#define N_BONE_PIXEL_Y "+c.boneTextureHeight.toFixed(1):"",c.morphTargets?"#define USE_MORPHTARGETS":"",c.morphNormals?"#define USE_MORPHNORMALS":"",c.perPixel?"#define PHONG_PER_PIXEL":"",c.wrapAround?"#define WRAP_AROUND":
+"",c.doubleSided?"#define DOUBLE_SIDED":"",c.flipSided?"#define FLIP_SIDED":"",c.shadowMapEnabled?"#define USE_SHADOWMAP":"",c.shadowMapSoft?"#define SHADOWMAP_SOFT":"",c.shadowMapDebug?"#define SHADOWMAP_DEBUG":"",c.shadowMapCascade?"#define SHADOWMAP_CASCADE":"",c.sizeAttenuation?"#define USE_SIZEATTENUATION":"","uniform mat4 modelMatrix;\nuniform mat4 modelViewMatrix;\nuniform mat4 projectionMatrix;\nuniform mat4 viewMatrix;\nuniform mat3 normalMatrix;\nuniform vec3 cameraPosition;\nattribute vec3 position;\nattribute vec3 normal;\nattribute vec2 uv;\nattribute vec2 uv2;\n#ifdef USE_COLOR\nattribute vec3 color;\n#endif\n#ifdef USE_MORPHTARGETS\nattribute vec3 morphTarget0;\nattribute vec3 morphTarget1;\nattribute vec3 morphTarget2;\nattribute vec3 morphTarget3;\n#ifdef USE_MORPHNORMALS\nattribute vec3 morphNormal0;\nattribute vec3 morphNormal1;\nattribute vec3 morphNormal2;\nattribute vec3 morphNormal3;\n#else\nattribute vec3 morphTarget4;\nattribute vec3 morphTarget5;\nattribute vec3 morphTarget6;\nattribute vec3 morphTarget7;\n#endif\n#endif\n#ifdef USE_SKINNING\nattribute vec4 skinIndex;\nattribute vec4 skinWeight;\n#endif\n"].join("\n");
+z=["precision "+P+" float;",c.bumpMap||c.normalMap?"#extension GL_OES_standard_derivatives : enable":"",z,"#define MAX_DIR_LIGHTS "+c.maxDirLights,"#define MAX_POINT_LIGHTS "+c.maxPointLights,"#define MAX_SPOT_LIGHTS "+c.maxSpotLights,"#define MAX_HEMI_LIGHTS "+c.maxHemiLights,"#define MAX_SHADOWS "+c.maxShadows,c.alphaTest?"#define ALPHATEST "+c.alphaTest:"",Q.gammaInput?"#define GAMMA_INPUT":"",Q.gammaOutput?"#define GAMMA_OUTPUT":"",Q.physicallyBasedShading?"#define PHYSICALLY_BASED_SHADING":"",
+c.useFog&&c.fog?"#define USE_FOG":"",c.useFog&&c.fogExp?"#define FOG_EXP2":"",c.map?"#define USE_MAP":"",c.envMap?"#define USE_ENVMAP":"",c.lightMap?"#define USE_LIGHTMAP":"",c.bumpMap?"#define USE_BUMPMAP":"",c.normalMap?"#define USE_NORMALMAP":"",c.specularMap?"#define USE_SPECULARMAP":"",c.vertexColors?"#define USE_COLOR":"",c.metal?"#define METAL":"",c.perPixel?"#define PHONG_PER_PIXEL":"",c.wrapAround?"#define WRAP_AROUND":"",c.doubleSided?"#define DOUBLE_SIDED":"",c.flipSided?"#define FLIP_SIDED":
+"",c.shadowMapEnabled?"#define USE_SHADOWMAP":"",c.shadowMapSoft?"#define SHADOWMAP_SOFT":"",c.shadowMapDebug?"#define SHADOWMAP_DEBUG":"",c.shadowMapCascade?"#define SHADOWMAP_CASCADE":"","uniform mat4 viewMatrix;\nuniform vec3 cameraPosition;\n"].join("\n");z=L("fragment",z+v);y=L("vertex",y+w);r.attachShader(A,y);r.attachShader(A,z);r.linkProgram(A);r.getProgramParameter(A,r.LINK_STATUS)||console.error("Could not initialise shader\nVALIDATE_STATUS: "+r.getProgramParameter(A,r.VALIDATE_STATUS)+
+", gl error ["+r.getError()+"]");r.deleteShader(z);r.deleteShader(y);A.uniforms={};A.attributes={};var C;y="viewMatrix modelViewMatrix projectionMatrix normalMatrix modelMatrix cameraPosition morphTargetInfluences".split(" ");c.useVertexTexture?y.push("boneTexture"):y.push("boneGlobalMatrices");for(C in t)y.push(C);C=y;y=0;for(z=C.length;y<z;y++)d=C[y],A.uniforms[d]=r.getUniformLocation(A,d);y="position normal uv uv2 tangent color skinIndex skinWeight lineDistance".split(" ");for(C=0;C<c.maxMorphTargets;C++)y.push("morphTarget"+
+C);for(C=0;C<c.maxMorphNormals;C++)y.push("morphNormal"+C);for(x in b)y.push(x);x=y;C=0;for(b=x.length;C<b;C++)y=x[C],A.attributes[y]=r.getAttribLocation(A,y);A.id=ia++;U.push({program:A,code:q,usedTimes:1});Q.info.memory.programs=U.length;x=A}a.program=x;x=a.program.attributes;0<=x.position&&r.enableVertexAttribArray(x.position);0<=x.color&&r.enableVertexAttribArray(x.color);0<=x.normal&&r.enableVertexAttribArray(x.normal);0<=x.tangent&&r.enableVertexAttribArray(x.tangent);0<=x.lineDistance&&r.enableVertexAttribArray(x.lineDistance);
+a.skinning&&0<=x.skinIndex&&0<=x.skinWeight&&(r.enableVertexAttribArray(x.skinIndex),r.enableVertexAttribArray(x.skinWeight));if(a.attributes)for(l in a.attributes)void 0!==x[l]&&0<=x[l]&&r.enableVertexAttribArray(x[l]);if(a.morphTargets)for(a.numSupportedMorphTargets=0,A="morphTarget",l=0;l<this.maxMorphTargets;l++)C=A+l,0<=x[C]&&(r.enableVertexAttribArray(x[C]),a.numSupportedMorphTargets++);if(a.morphNormals)for(a.numSupportedMorphNormals=0,A="morphNormal",l=0;l<this.maxMorphNormals;l++)C=A+l,0<=
+x[C]&&(r.enableVertexAttribArray(x[C]),a.numSupportedMorphNormals++);a.uniformsList=[];for(k in a.uniforms)a.uniformsList.push([a.uniforms[k],k])};this.setFaceCulling=function(a,b){a?(b&&"ccw"!==b?r.frontFace(r.CW):r.frontFace(r.CCW),"back"===a?r.cullFace(r.BACK):"front"===a?r.cullFace(r.FRONT):r.cullFace(r.FRONT_AND_BACK),r.enable(r.CULL_FACE)):r.disable(r.CULL_FACE)};this.setMaterialFaces=function(a){var b=a.side===THREE.DoubleSide;a=a.side===THREE.BackSide;pa!==b&&(b?r.disable(r.CULL_FACE):r.enable(r.CULL_FACE),
+pa=b);Ga!==a&&(a?r.frontFace(r.CW):r.frontFace(r.CCW),Ga=a)};this.setDepthTest=function(a){eb!==a&&(a?r.enable(r.DEPTH_TEST):r.disable(r.DEPTH_TEST),eb=a)};this.setDepthWrite=function(a){kb!==a&&(r.depthMask(a),kb=a)};this.setBlending=function(a,b,c,d){a!==Aa&&(a===THREE.NoBlending?r.disable(r.BLEND):a===THREE.AdditiveBlending?(r.enable(r.BLEND),r.blendEquation(r.FUNC_ADD),r.blendFunc(r.SRC_ALPHA,r.ONE)):a===THREE.SubtractiveBlending?(r.enable(r.BLEND),r.blendEquation(r.FUNC_ADD),r.blendFunc(r.ZERO,
+r.ONE_MINUS_SRC_COLOR)):a===THREE.MultiplyBlending?(r.enable(r.BLEND),r.blendEquation(r.FUNC_ADD),r.blendFunc(r.ZERO,r.SRC_COLOR)):a===THREE.CustomBlending?r.enable(r.BLEND):(r.enable(r.BLEND),r.blendEquationSeparate(r.FUNC_ADD,r.FUNC_ADD),r.blendFuncSeparate(r.SRC_ALPHA,r.ONE_MINUS_SRC_ALPHA,r.ONE,r.ONE_MINUS_SRC_ALPHA)),Aa=a);if(a===THREE.CustomBlending){if(b!==ua&&(r.blendEquation(O(b)),ua=b),c!==ob||d!==jb)r.blendFunc(O(c),O(d)),ob=c,jb=d}else jb=ob=ua=null};this.setTexture=function(a,b){if(a.needsUpdate){a.__webglInit||
+(a.__webglInit=!0,a.__webglTexture=r.createTexture(),Q.info.memory.textures++);r.activeTexture(r.TEXTURE0+b);r.bindTexture(r.TEXTURE_2D,a.__webglTexture);r.pixelStorei(r.UNPACK_FLIP_Y_WEBGL,a.flipY);r.pixelStorei(r.UNPACK_PREMULTIPLY_ALPHA_WEBGL,a.premultiplyAlpha);var c=a.image,d=H(c.width)&&H(c.height),e=O(a.format),f=O(a.type);T(r.TEXTURE_2D,a,d);if(a instanceof THREE.CompressedTexture)for(var f=a.mipmaps,g=0,h=f.length;g<h;g++)c=f[g],r.compressedTexImage2D(r.TEXTURE_2D,g,e,c.width,c.height,0,
+c.data);else a instanceof THREE.DataTexture?r.texImage2D(r.TEXTURE_2D,0,e,c.width,c.height,0,e,f,c.data):r.texImage2D(r.TEXTURE_2D,0,e,e,f,a.image);a.generateMipmaps&&d&&r.generateMipmap(r.TEXTURE_2D);a.needsUpdate=!1;if(a.onUpdate)a.onUpdate()}else r.activeTexture(r.TEXTURE0+b),r.bindTexture(r.TEXTURE_2D,a.__webglTexture)};this.setRenderTarget=function(a){var b=a instanceof THREE.WebGLRenderTargetCube;if(a&&!a.__webglFramebuffer){void 0===a.depthBuffer&&(a.depthBuffer=!0);void 0===a.stencilBuffer&&
+(a.stencilBuffer=!0);a.__webglTexture=r.createTexture();var c=H(a.width)&&H(a.height),d=O(a.format),e=O(a.type);if(b){a.__webglFramebuffer=[];a.__webglRenderbuffer=[];r.bindTexture(r.TEXTURE_CUBE_MAP,a.__webglTexture);T(r.TEXTURE_CUBE_MAP,a,c);for(var f=0;6>f;f++){a.__webglFramebuffer[f]=r.createFramebuffer();a.__webglRenderbuffer[f]=r.createRenderbuffer();r.texImage2D(r.TEXTURE_CUBE_MAP_POSITIVE_X+f,0,d,a.width,a.height,0,d,e,null);var g=a,h=r.TEXTURE_CUBE_MAP_POSITIVE_X+f;r.bindFramebuffer(r.FRAMEBUFFER,
+a.__webglFramebuffer[f]);r.framebufferTexture2D(r.FRAMEBUFFER,r.COLOR_ATTACHMENT0,h,g.__webglTexture,0);R(a.__webglRenderbuffer[f],a)}c&&r.generateMipmap(r.TEXTURE_CUBE_MAP)}else a.__webglFramebuffer=r.createFramebuffer(),a.__webglRenderbuffer=r.createRenderbuffer(),r.bindTexture(r.TEXTURE_2D,a.__webglTexture),T(r.TEXTURE_2D,a,c),r.texImage2D(r.TEXTURE_2D,0,d,a.width,a.height,0,d,e,null),d=r.TEXTURE_2D,r.bindFramebuffer(r.FRAMEBUFFER,a.__webglFramebuffer),r.framebufferTexture2D(r.FRAMEBUFFER,r.COLOR_ATTACHMENT0,
+d,a.__webglTexture,0),R(a.__webglRenderbuffer,a),c&&r.generateMipmap(r.TEXTURE_2D);b?r.bindTexture(r.TEXTURE_CUBE_MAP,null):r.bindTexture(r.TEXTURE_2D,null);r.bindRenderbuffer(r.RENDERBUFFER,null);r.bindFramebuffer(r.FRAMEBUFFER,null)}a?(b=b?a.__webglFramebuffer[a.activeCubeFace]:a.__webglFramebuffer,c=a.width,a=a.height,e=d=0):(b=null,c=Ha,a=qb,d=va,e=fb);b!==ga&&(r.bindFramebuffer(r.FRAMEBUFFER,b),r.viewport(d,e,c,a),ga=b);Za=c;Ia=a};this.shadowMapPlugin=new THREE.ShadowMapPlugin;this.addPrePlugin(this.shadowMapPlugin);
+this.addPostPlugin(new THREE.SpritePlugin);this.addPostPlugin(new THREE.LensFlarePlugin)};
+THREE.WebGLRenderTarget=function(a,b,c){this.width=a;this.height=b;c=c||{};this.wrapS=void 0!==c.wrapS?c.wrapS:THREE.ClampToEdgeWrapping;this.wrapT=void 0!==c.wrapT?c.wrapT:THREE.ClampToEdgeWrapping;this.magFilter=void 0!==c.magFilter?c.magFilter:THREE.LinearFilter;this.minFilter=void 0!==c.minFilter?c.minFilter:THREE.LinearMipMapLinearFilter;this.anisotropy=void 0!==c.anisotropy?c.anisotropy:1;this.offset=new THREE.Vector2(0,0);this.repeat=new THREE.Vector2(1,1);this.format=void 0!==c.format?c.format:
+THREE.RGBAFormat;this.type=void 0!==c.type?c.type:THREE.UnsignedByteType;this.depthBuffer=void 0!==c.depthBuffer?c.depthBuffer:!0;this.stencilBuffer=void 0!==c.stencilBuffer?c.stencilBuffer:!0;this.generateMipmaps=!0};
+THREE.WebGLRenderTarget.prototype.clone=function(){var a=new THREE.WebGLRenderTarget(this.width,this.height);a.wrapS=this.wrapS;a.wrapT=this.wrapT;a.magFilter=this.magFilter;a.anisotropy=this.anisotropy;a.minFilter=this.minFilter;a.offset.copy(this.offset);a.repeat.copy(this.repeat);a.format=this.format;a.type=this.type;a.depthBuffer=this.depthBuffer;a.stencilBuffer=this.stencilBuffer;a.generateMipmaps=this.generateMipmaps;return a};
+THREE.WebGLRenderTargetCube=function(a,b,c){THREE.WebGLRenderTarget.call(this,a,b,c);this.activeCubeFace=0};THREE.WebGLRenderTargetCube.prototype=Object.create(THREE.WebGLRenderTarget.prototype);THREE.RenderableVertex=function(){this.positionWorld=new THREE.Vector3;this.positionScreen=new THREE.Vector4;this.visible=!0};THREE.RenderableVertex.prototype.copy=function(a){this.positionWorld.copy(a.positionWorld);this.positionScreen.copy(a.positionScreen)};
+THREE.RenderableFace3=function(){this.v1=new THREE.RenderableVertex;this.v2=new THREE.RenderableVertex;this.v3=new THREE.RenderableVertex;this.centroidWorld=new THREE.Vector3;this.centroidScreen=new THREE.Vector3;this.normalWorld=new THREE.Vector3;this.vertexNormalsWorld=[new THREE.Vector3,new THREE.Vector3,new THREE.Vector3];this.vertexNormalsLength=0;this.material=this.color=null;this.uvs=[[]];this.z=null};
+THREE.RenderableFace4=function(){this.v1=new THREE.RenderableVertex;this.v2=new THREE.RenderableVertex;this.v3=new THREE.RenderableVertex;this.v4=new THREE.RenderableVertex;this.centroidWorld=new THREE.Vector3;this.centroidScreen=new THREE.Vector3;this.normalWorld=new THREE.Vector3;this.vertexNormalsWorld=[new THREE.Vector3,new THREE.Vector3,new THREE.Vector3,new THREE.Vector3];this.vertexNormalsLength=0;this.material=this.color=null;this.uvs=[[]];this.z=null};
+THREE.RenderableObject=function(){this.z=this.object=null};THREE.RenderableParticle=function(){this.rotation=this.z=this.y=this.x=this.object=null;this.scale=new THREE.Vector2;this.material=null};THREE.RenderableLine=function(){this.z=null;this.v1=new THREE.RenderableVertex;this.v2=new THREE.RenderableVertex;this.material=null};
+THREE.ColorUtils={adjustHSV:function(a,b,c,d){var e=THREE.ColorUtils.__hsv;a.getHSV(e);e.h=THREE.Math.clamp(e.h+b,0,1);e.s=THREE.Math.clamp(e.s+c,0,1);e.v=THREE.Math.clamp(e.v+d,0,1);a.setHSV(e.h,e.s,e.v)}};THREE.ColorUtils.__hsv={h:0,s:0,v:0};
+THREE.GeometryUtils={merge:function(a,b){var c,d,e=a.vertices.length,f=b instanceof THREE.Mesh?b.geometry:b,g=a.vertices,h=f.vertices,l=a.faces,k=f.faces,q=a.faceVertexUvs[0],f=f.faceVertexUvs[0];b instanceof THREE.Mesh&&(b.matrixAutoUpdate&&b.updateMatrix(),c=b.matrix,d=new THREE.Matrix4,d.extractRotation(c,b.scale));for(var s=0,t=h.length;s<t;s++){var v=h[s].clone();c&&c.multiplyVector3(v);g.push(v)}s=0;for(t=k.length;s<t;s++){var v=k[s],u,w,x=v.vertexNormals,y=v.vertexColors;v instanceof THREE.Face3?
+u=new THREE.Face3(v.a+e,v.b+e,v.c+e):v instanceof THREE.Face4&&(u=new THREE.Face4(v.a+e,v.b+e,v.c+e,v.d+e));u.normal.copy(v.normal);d&&d.multiplyVector3(u.normal);g=0;for(h=x.length;g<h;g++)w=x[g].clone(),d&&d.multiplyVector3(w),u.vertexNormals.push(w);u.color.copy(v.color);g=0;for(h=y.length;g<h;g++)w=y[g],u.vertexColors.push(w.clone());u.materialIndex=v.materialIndex;u.centroid.copy(v.centroid);c&&c.multiplyVector3(u.centroid);l.push(u)}s=0;for(t=f.length;s<t;s++){c=f[s];d=[];g=0;for(h=c.length;g<
+h;g++)d.push(new THREE.UV(c[g].u,c[g].v));q.push(d)}},removeMaterials:function(a,b){for(var c={},d=0,e=b.length;d<e;d++)c[b[d]]=!0;for(var f,g=[],d=0,e=a.faces.length;d<e;d++)f=a.faces[d],f.materialIndex in c||g.push(f);a.faces=g},randomPointInTriangle:function(a,b,c){var d,e,f,g=new THREE.Vector3,h=THREE.GeometryUtils.__v1;d=THREE.GeometryUtils.random();e=THREE.GeometryUtils.random();1<d+e&&(d=1-d,e=1-e);f=1-d-e;g.copy(a);g.multiplyScalar(d);h.copy(b);h.multiplyScalar(e);g.addSelf(h);h.copy(c);h.multiplyScalar(f);
+g.addSelf(h);return g},randomPointInFace:function(a,b,c){var d,e,f;if(a instanceof THREE.Face3)return d=b.vertices[a.a],e=b.vertices[a.b],f=b.vertices[a.c],THREE.GeometryUtils.randomPointInTriangle(d,e,f);if(a instanceof THREE.Face4){d=b.vertices[a.a];e=b.vertices[a.b];f=b.vertices[a.c];b=b.vertices[a.d];var g;c?a._area1&&a._area2?(c=a._area1,g=a._area2):(c=THREE.GeometryUtils.triangleArea(d,e,b),g=THREE.GeometryUtils.triangleArea(e,f,b),a._area1=c,a._area2=g):(c=THREE.GeometryUtils.triangleArea(d,
+e,b),g=THREE.GeometryUtils.triangleArea(e,f,b));return THREE.GeometryUtils.random()*(c+g)<c?THREE.GeometryUtils.randomPointInTriangle(d,e,b):THREE.GeometryUtils.randomPointInTriangle(e,f,b)}},randomPointsInGeometry:function(a,b){function c(a){function b(c,d){if(d<c)return c;var e=c+Math.floor((d-c)/2);return k[e]>a?b(c,e-1):k[e]<a?b(e+1,d):e}return b(0,k.length-1)}var d,e,f=a.faces,g=a.vertices,h=f.length,l=0,k=[],q,s,t,v;for(e=0;e<h;e++)d=f[e],d instanceof THREE.Face3?(q=g[d.a],s=g[d.b],t=g[d.c],
+d._area=THREE.GeometryUtils.triangleArea(q,s,t)):d instanceof THREE.Face4&&(q=g[d.a],s=g[d.b],t=g[d.c],v=g[d.d],d._area1=THREE.GeometryUtils.triangleArea(q,s,v),d._area2=THREE.GeometryUtils.triangleArea(s,t,v),d._area=d._area1+d._area2),l+=d._area,k[e]=l;d=[];for(e=0;e<b;e++)g=THREE.GeometryUtils.random()*l,g=c(g),d[e]=THREE.GeometryUtils.randomPointInFace(f[g],a,!0);return d},triangleArea:function(a,b,c){var d,e=THREE.GeometryUtils.__v1;e.sub(a,b);d=e.length();e.sub(a,c);a=e.length();e.sub(b,c);
+c=e.length();b=0.5*(d+a+c);return Math.sqrt(b*(b-d)*(b-a)*(b-c))},center:function(a){a.computeBoundingBox();var b=a.boundingBox,c=new THREE.Vector3;c.add(b.min,b.max);c.multiplyScalar(-0.5);a.applyMatrix((new THREE.Matrix4).makeTranslation(c.x,c.y,c.z));a.computeBoundingBox();return c},normalizeUVs:function(a){a=a.faceVertexUvs[0];for(var b=0,c=a.length;b<c;b++)for(var d=a[b],e=0,f=d.length;e<f;e++)1!==d[e].u&&(d[e].u-=Math.floor(d[e].u)),1!==d[e].v&&(d[e].v-=Math.floor(d[e].v))},triangulateQuads:function(a){var b,
+c,d,e,f=[],g=[],h=[];b=0;for(c=a.faceUvs.length;b<c;b++)g[b]=[];b=0;for(c=a.faceVertexUvs.length;b<c;b++)h[b]=[];b=0;for(c=a.faces.length;b<c;b++)if(d=a.faces[b],d instanceof THREE.Face4){e=d.a;var l=d.b,k=d.c,q=d.d,s=new THREE.Face3,t=new THREE.Face3;s.color.copy(d.color);t.color.copy(d.color);s.materialIndex=d.materialIndex;t.materialIndex=d.materialIndex;s.a=e;s.b=l;s.c=q;t.a=l;t.b=k;t.c=q;4===d.vertexColors.length&&(s.vertexColors[0]=d.vertexColors[0].clone(),s.vertexColors[1]=d.vertexColors[1].clone(),
+s.vertexColors[2]=d.vertexColors[3].clone(),t.vertexColors[0]=d.vertexColors[1].clone(),t.vertexColors[1]=d.vertexColors[2].clone(),t.vertexColors[2]=d.vertexColors[3].clone());f.push(s,t);d=0;for(e=a.faceVertexUvs.length;d<e;d++)a.faceVertexUvs[d].length&&(s=a.faceVertexUvs[d][b],l=s[1],k=s[2],q=s[3],s=[s[0].clone(),l.clone(),q.clone()],l=[l.clone(),k.clone(),q.clone()],h[d].push(s,l));d=0;for(e=a.faceUvs.length;d<e;d++)a.faceUvs[d].length&&(l=a.faceUvs[d][b],g[d].push(l,l))}else{f.push(d);d=0;for(e=
+a.faceUvs.length;d<e;d++)g[d].push(a.faceUvs[d][b]);d=0;for(e=a.faceVertexUvs.length;d<e;d++)h[d].push(a.faceVertexUvs[d][b])}a.faces=f;a.faceUvs=g;a.faceVertexUvs=h;a.computeCentroids();a.computeFaceNormals();a.computeVertexNormals();a.hasTangents&&a.computeTangents()},explode:function(a){for(var b=[],c=0,d=a.faces.length;c<d;c++){var e=b.length,f=a.faces[c];if(f instanceof THREE.Face4){var g=f.a,h=f.b,l=f.c,g=a.vertices[g],h=a.vertices[h],l=a.vertices[l],k=a.vertices[f.d];b.push(g.clone());b.push(h.clone());
+b.push(l.clone());b.push(k.clone());f.a=e;f.b=e+1;f.c=e+2;f.d=e+3}else g=f.a,h=f.b,l=f.c,g=a.vertices[g],h=a.vertices[h],l=a.vertices[l],b.push(g.clone()),b.push(h.clone()),b.push(l.clone()),f.a=e,f.b=e+1,f.c=e+2}a.vertices=b;delete a.__tmpVertices},tessellate:function(a,b){var c,d,e,f,g,h,l,k,q,s,t,v,u,w,x,y,A,C,B,z=[],D=[];c=0;for(d=a.faceVertexUvs.length;c<d;c++)D[c]=[];c=0;for(d=a.faces.length;c<d;c++)if(e=a.faces[c],e instanceof THREE.Face3)if(f=e.a,g=e.b,h=e.c,k=a.vertices[f],q=a.vertices[g],
+s=a.vertices[h],v=k.distanceTo(q),u=q.distanceTo(s),t=k.distanceTo(s),v>b||u>b||t>b)for(l=a.vertices.length,C=e.clone(),B=e.clone(),v>=u&&v>=t?(k=k.clone(),k.lerpSelf(q,0.5),C.a=f,C.b=l,C.c=h,B.a=l,B.b=g,B.c=h,3===e.vertexNormals.length&&(f=e.vertexNormals[0].clone(),f.lerpSelf(e.vertexNormals[1],0.5),C.vertexNormals[1].copy(f),B.vertexNormals[0].copy(f)),3===e.vertexColors.length&&(f=e.vertexColors[0].clone(),f.lerpSelf(e.vertexColors[1],0.5),C.vertexColors[1].copy(f),B.vertexColors[0].copy(f)),
+e=0):u>=v&&u>=t?(k=q.clone(),k.lerpSelf(s,0.5),C.a=f,C.b=g,C.c=l,B.a=l,B.b=h,B.c=f,3===e.vertexNormals.length&&(f=e.vertexNormals[1].clone(),f.lerpSelf(e.vertexNormals[2],0.5),C.vertexNormals[2].copy(f),B.vertexNormals[0].copy(f),B.vertexNormals[1].copy(e.vertexNormals[2]),B.vertexNormals[2].copy(e.vertexNormals[0])),3===e.vertexColors.length&&(f=e.vertexColors[1].clone(),f.lerpSelf(e.vertexColors[2],0.5),C.vertexColors[2].copy(f),B.vertexColors[0].copy(f),B.vertexColors[1].copy(e.vertexColors[2]),
+B.vertexColors[2].copy(e.vertexColors[0])),e=1):(k=k.clone(),k.lerpSelf(s,0.5),C.a=f,C.b=g,C.c=l,B.a=l,B.b=g,B.c=h,3===e.vertexNormals.length&&(f=e.vertexNormals[0].clone(),f.lerpSelf(e.vertexNormals[2],0.5),C.vertexNormals[2].copy(f),B.vertexNormals[0].copy(f)),3===e.vertexColors.length&&(f=e.vertexColors[0].clone(),f.lerpSelf(e.vertexColors[2],0.5),C.vertexColors[2].copy(f),B.vertexColors[0].copy(f)),e=2),z.push(C,B),a.vertices.push(k),f=0,g=a.faceVertexUvs.length;f<g;f++)a.faceVertexUvs[f].length&&
+(k=a.faceVertexUvs[f][c],B=k[0],h=k[1],C=k[2],0===e?(q=B.clone(),q.lerpSelf(h,0.5),k=[B.clone(),q.clone(),C.clone()],h=[q.clone(),h.clone(),C.clone()]):1===e?(q=h.clone(),q.lerpSelf(C,0.5),k=[B.clone(),h.clone(),q.clone()],h=[q.clone(),C.clone(),B.clone()]):(q=B.clone(),q.lerpSelf(C,0.5),k=[B.clone(),h.clone(),q.clone()],h=[q.clone(),h.clone(),C.clone()]),D[f].push(k,h));else for(z.push(e),f=0,g=a.faceVertexUvs.length;f<g;f++)D[f].push(a.faceVertexUvs[f][c]);else if(f=e.a,g=e.b,h=e.c,l=e.d,k=a.vertices[f],
+q=a.vertices[g],s=a.vertices[h],t=a.vertices[l],v=k.distanceTo(q),u=q.distanceTo(s),w=s.distanceTo(t),x=k.distanceTo(t),v>b||u>b||w>b||x>b)for(y=a.vertices.length,A=a.vertices.length+1,C=e.clone(),B=e.clone(),v>=u&&v>=w&&v>=x||w>=u&&w>=v&&w>=x?(v=k.clone(),v.lerpSelf(q,0.5),q=s.clone(),q.lerpSelf(t,0.5),C.a=f,C.b=y,C.c=A,C.d=l,B.a=y,B.b=g,B.c=h,B.d=A,4===e.vertexNormals.length&&(f=e.vertexNormals[0].clone(),f.lerpSelf(e.vertexNormals[1],0.5),g=e.vertexNormals[2].clone(),g.lerpSelf(e.vertexNormals[3],
+0.5),C.vertexNormals[1].copy(f),C.vertexNormals[2].copy(g),B.vertexNormals[0].copy(f),B.vertexNormals[3].copy(g)),4===e.vertexColors.length&&(f=e.vertexColors[0].clone(),f.lerpSelf(e.vertexColors[1],0.5),g=e.vertexColors[2].clone(),g.lerpSelf(e.vertexColors[3],0.5),C.vertexColors[1].copy(f),C.vertexColors[2].copy(g),B.vertexColors[0].copy(f),B.vertexColors[3].copy(g)),e=0):(v=q.clone(),v.lerpSelf(s,0.5),q=t.clone(),q.lerpSelf(k,0.5),C.a=f,C.b=g,C.c=y,C.d=A,B.a=A,B.b=y,B.c=h,B.d=l,4===e.vertexNormals.length&&
+(f=e.vertexNormals[1].clone(),f.lerpSelf(e.vertexNormals[2],0.5),g=e.vertexNormals[3].clone(),g.lerpSelf(e.vertexNormals[0],0.5),C.vertexNormals[2].copy(f),C.vertexNormals[3].copy(g),B.vertexNormals[0].copy(g),B.vertexNormals[1].copy(f)),4===e.vertexColors.length&&(f=e.vertexColors[1].clone(),f.lerpSelf(e.vertexColors[2],0.5),g=e.vertexColors[3].clone(),g.lerpSelf(e.vertexColors[0],0.5),C.vertexColors[2].copy(f),C.vertexColors[3].copy(g),B.vertexColors[0].copy(g),B.vertexColors[1].copy(f)),e=1),z.push(C,
+B),a.vertices.push(v,q),f=0,g=a.faceVertexUvs.length;f<g;f++)a.faceVertexUvs[f].length&&(k=a.faceVertexUvs[f][c],B=k[0],h=k[1],C=k[2],k=k[3],0===e?(q=B.clone(),q.lerpSelf(h,0.5),s=C.clone(),s.lerpSelf(k,0.5),B=[B.clone(),q.clone(),s.clone(),k.clone()],h=[q.clone(),h.clone(),C.clone(),s.clone()]):(q=h.clone(),q.lerpSelf(C,0.5),s=k.clone(),s.lerpSelf(B,0.5),B=[B.clone(),h.clone(),q.clone(),s.clone()],h=[s.clone(),q.clone(),C.clone(),k.clone()]),D[f].push(B,h));else for(z.push(e),f=0,g=a.faceVertexUvs.length;f<
+g;f++)D[f].push(a.faceVertexUvs[f][c]);a.faces=z;a.faceVertexUvs=D}};THREE.GeometryUtils.random=THREE.Math.random16;THREE.GeometryUtils.__v1=new THREE.Vector3;
+THREE.ImageUtils={crossOrigin:"anonymous",loadTexture:function(a,b,c,d){var e=new Image,f=new THREE.Texture(e,b);b=new THREE.ImageLoader;b.addEventListener("load",function(a){f.image=a.content;f.needsUpdate=!0;c&&c(f)});b.addEventListener("error",function(a){d&&d(a.message)});b.crossOrigin=this.crossOrigin;b.load(a,e);f.sourceFile=a;return f},loadCompressedTexture:function(a,b,c,d){var e=new THREE.CompressedTexture;e.mapping=b;var f=new XMLHttpRequest;f.onload=function(){var a=THREE.ImageUtils.parseDDS(f.response,
+!0);e.format=a.format;e.mipmaps=a.mipmaps;e.image.width=a.width;e.image.height=a.height;e.generateMipmaps=!1;e.needsUpdate=!0;c&&c(e)};f.onerror=d;f.open("GET",a,!0);f.responseType="arraybuffer";f.send(null);return e},loadTextureCube:function(a,b,c,d){var e=[];e.loadCount=0;var f=new THREE.Texture;f.image=e;void 0!==b&&(f.mapping=b);f.flipY=!1;b=0;for(var g=a.length;b<g;++b){var h=new Image;e[b]=h;h.onload=function(){e.loadCount+=1;6===e.loadCount&&(f.needsUpdate=!0,c&&c())};h.onerror=d;h.crossOrigin=
+this.crossOrigin;h.src=a[b]}return f},loadCompressedTextureCube:function(a,b,c,d){var e=[];e.loadCount=0;var f=new THREE.CompressedTexture;f.image=e;void 0!==b&&(f.mapping=b);f.flipY=!1;f.generateMipmaps=!1;b=function(a,b){return function(){var d=THREE.ImageUtils.parseDDS(a.response,!0);b.format=d.format;b.mipmaps=d.mipmaps;b.width=d.width;b.height=d.height;e.loadCount+=1;6===e.loadCount&&(f.format=d.format,f.needsUpdate=!0,c&&c())}};for(var g=0,h=a.length;g<h;++g){var l={};e[g]=l;var k=new XMLHttpRequest;
+k.onload=b(k,l);k.onerror=d;k.open("GET",a[g],!0);k.responseType="arraybuffer";k.send(null)}return f},parseDDS:function(a,b){function c(a){return a.charCodeAt(0)+(a.charCodeAt(1)<<8)+(a.charCodeAt(2)<<16)+(a.charCodeAt(3)<<24)}var d={mipmaps:[],width:0,height:0,format:null,mipmapCount:1},e=c("DXT1"),f=c("DXT3"),g=c("DXT5"),h=new Int32Array(a,0,31);if(542327876!==h[0])return console.error("ImageUtils.parseDDS(): Invalid magic number in DDS header"),d;if(!h[20]&4)return console.error("ImageUtils.parseDDS(): Unsupported format, must contain a FourCC code"),
+d;var l=h[21];switch(l){case e:e=8;d.format=THREE.RGB_S3TC_DXT1_Format;break;case f:e=16;d.format=THREE.RGBA_S3TC_DXT3_Format;break;case g:e=16;d.format=THREE.RGBA_S3TC_DXT5_Format;break;default:return console.error("ImageUtils.parseDDS(): Unsupported FourCC code: ",String.fromCharCode(l&255,l>>8&255,l>>16&255,l>>24&255)),d}d.mipmapCount=1;h[2]&131072&&!1!==b&&(d.mipmapCount=Math.max(1,h[7]));d.width=h[4];d.height=h[3];h=h[1]+4;f=d.width;g=d.height;for(l=0;l<d.mipmapCount;l++){var k=Math.max(4,f)/
+4*Math.max(4,g)/4*e,q={data:new Uint8Array(a,h,k),width:f,height:g};d.mipmaps.push(q);h+=k;f=Math.max(0.5*f,1);g=Math.max(0.5*g,1)}return d},getNormalMap:function(a,b){var c=function(a){var b=Math.sqrt(a[0]*a[0]+a[1]*a[1]+a[2]*a[2]);return[a[0]/b,a[1]/b,a[2]/b]};b|=1;var d=a.width,e=a.height,f=document.createElement("canvas");f.width=d;f.height=e;var g=f.getContext("2d");g.drawImage(a,0,0);for(var h=g.getImageData(0,0,d,e).data,l=g.createImageData(d,e),k=l.data,q=0;q<d;q++)for(var s=0;s<e;s++){var t=
+0>s-1?0:s-1,v=s+1>e-1?e-1:s+1,u=0>q-1?0:q-1,w=q+1>d-1?d-1:q+1,x=[],y=[0,0,h[4*(s*d+q)]/255*b];x.push([-1,0,h[4*(s*d+u)]/255*b]);x.push([-1,-1,h[4*(t*d+u)]/255*b]);x.push([0,-1,h[4*(t*d+q)]/255*b]);x.push([1,-1,h[4*(t*d+w)]/255*b]);x.push([1,0,h[4*(s*d+w)]/255*b]);x.push([1,1,h[4*(v*d+w)]/255*b]);x.push([0,1,h[4*(v*d+q)]/255*b]);x.push([-1,1,h[4*(v*d+u)]/255*b]);t=[];u=x.length;for(v=0;v<u;v++){var w=x[v],A=x[(v+1)%u],w=[w[0]-y[0],w[1]-y[1],w[2]-y[2]],A=[A[0]-y[0],A[1]-y[1],A[2]-y[2]];t.push(c([w[1]*
+A[2]-w[2]*A[1],w[2]*A[0]-w[0]*A[2],w[0]*A[1]-w[1]*A[0]]))}x=[0,0,0];for(v=0;v<t.length;v++)x[0]+=t[v][0],x[1]+=t[v][1],x[2]+=t[v][2];x[0]/=t.length;x[1]/=t.length;x[2]/=t.length;y=4*(s*d+q);k[y]=(x[0]+1)/2*255|0;k[y+1]=(x[1]+1)/2*255|0;k[y+2]=255*x[2]|0;k[y+3]=255}g.putImageData(l,0,0);return f},generateDataTexture:function(a,b,c){var d=a*b,e=new Uint8Array(3*d),f=Math.floor(255*c.r),g=Math.floor(255*c.g);c=Math.floor(255*c.b);for(var h=0;h<d;h++)e[3*h]=f,e[3*h+1]=g,e[3*h+2]=c;a=new THREE.DataTexture(e,
+a,b,THREE.RGBFormat);a.needsUpdate=!0;return a}};THREE.SceneUtils={createMultiMaterialObject:function(a,b){for(var c=new THREE.Object3D,d=0,e=b.length;d<e;d++)c.add(new THREE.Mesh(a,b[d]));return c},detach:function(a,b,c){a.applyMatrix(b.matrixWorld);b.remove(a);c.add(a)},attach:function(a,b,c){var d=new THREE.Matrix4;d.getInverse(c.matrixWorld);a.applyMatrix(d);b.remove(a);c.add(a)}};
+THREE.ShaderUtils={lib:{fresnel:{uniforms:{mRefractionRatio:{type:"f",value:1.02},mFresnelBias:{type:"f",value:0.1},mFresnelPower:{type:"f",value:2},mFresnelScale:{type:"f",value:1},tCube:{type:"t",value:null}},fragmentShader:"uniform samplerCube tCube;\nvarying vec3 vReflect;\nvarying vec3 vRefract[3];\nvarying float vReflectionFactor;\nvoid main() {\nvec4 reflectedColor = textureCube( tCube, vec3( -vReflect.x, vReflect.yz ) );\nvec4 refractedColor = vec4( 1.0 );\nrefractedColor.r = textureCube( tCube, vec3( -vRefract[0].x, vRefract[0].yz ) ).r;\nrefractedColor.g = textureCube( tCube, vec3( -vRefract[1].x, vRefract[1].yz ) ).g;\nrefractedColor.b = textureCube( tCube, vec3( -vRefract[2].x, vRefract[2].yz ) ).b;\ngl_FragColor = mix( refractedColor, reflectedColor, clamp( vReflectionFactor, 0.0, 1.0 ) );\n}",
+vertexShader:"uniform float mRefractionRatio;\nuniform float mFresnelBias;\nuniform float mFresnelScale;\nuniform float mFresnelPower;\nvarying vec3 vReflect;\nvarying vec3 vRefract[3];\nvarying float vReflectionFactor;\nvoid main() {\nvec4 mvPosition = modelViewMatrix * vec4( position, 1.0 );\nvec4 worldPosition = modelMatrix * vec4( position, 1.0 );\nvec3 worldNormal = normalize( mat3( modelMatrix[0].xyz, modelMatrix[1].xyz, modelMatrix[2].xyz ) * normal );\nvec3 I = worldPosition.xyz - cameraPosition;\nvReflect = reflect( I, worldNormal );\nvRefract[0] = refract( normalize( I ), worldNormal, mRefractionRatio );\nvRefract[1] = refract( normalize( I ), worldNormal, mRefractionRatio * 0.99 );\nvRefract[2] = refract( normalize( I ), worldNormal, mRefractionRatio * 0.98 );\nvReflectionFactor = mFresnelBias + mFresnelScale * pow( 1.0 + dot( normalize( I ), worldNormal ), mFresnelPower );\ngl_Position = projectionMatrix * mvPosition;\n}"},
+normal:{uniforms:THREE.UniformsUtils.merge([THREE.UniformsLib.fog,THREE.UniformsLib.lights,THREE.UniformsLib.shadowmap,{enableAO:{type:"i",value:0},enableDiffuse:{type:"i",value:0},enableSpecular:{type:"i",value:0},enableReflection:{type:"i",value:0},enableDisplacement:{type:"i",value:0},tDisplacement:{type:"t",value:null},tDiffuse:{type:"t",value:null},tCube:{type:"t",value:null},tNormal:{type:"t",value:null},tSpecular:{type:"t",value:null},tAO:{type:"t",value:null},uNormalScale:{type:"v2",value:new THREE.Vector2(1,
+1)},uDisplacementBias:{type:"f",value:0},uDisplacementScale:{type:"f",value:1},uDiffuseColor:{type:"c",value:new THREE.Color(16777215)},uSpecularColor:{type:"c",value:new THREE.Color(1118481)},uAmbientColor:{type:"c",value:new THREE.Color(16777215)},uShininess:{type:"f",value:30},uOpacity:{type:"f",value:1},useRefract:{type:"i",value:0},uRefractionRatio:{type:"f",value:0.98},uReflectivity:{type:"f",value:0.5},uOffset:{type:"v2",value:new THREE.Vector2(0,0)},uRepeat:{type:"v2",value:new THREE.Vector2(1,
+1)},wrapRGB:{type:"v3",value:new THREE.Vector3(1,1,1)}}]),fragmentShader:["uniform vec3 uAmbientColor;\nuniform vec3 uDiffuseColor;\nuniform vec3 uSpecularColor;\nuniform float uShininess;\nuniform float uOpacity;\nuniform bool enableDiffuse;\nuniform bool enableSpecular;\nuniform bool enableAO;\nuniform bool enableReflection;\nuniform sampler2D tDiffuse;\nuniform sampler2D tNormal;\nuniform sampler2D tSpecular;\nuniform sampler2D tAO;\nuniform samplerCube tCube;\nuniform vec2 uNormalScale;\nuniform bool useRefract;\nuniform float uRefractionRatio;\nuniform float uReflectivity;\nvarying vec3 vTangent;\nvarying vec3 vBinormal;\nvarying vec3 vNormal;\nvarying vec2 vUv;\nuniform vec3 ambientLightColor;\n#if MAX_DIR_LIGHTS > 0\nuniform vec3 directionalLightColor[ MAX_DIR_LIGHTS ];\nuniform vec3 directionalLightDirection[ MAX_DIR_LIGHTS ];\n#endif\n#if MAX_HEMI_LIGHTS > 0\nuniform vec3 hemisphereLightSkyColor[ MAX_HEMI_LIGHTS ];\nuniform vec3 hemisphereLightGroundColor[ MAX_HEMI_LIGHTS ];\nuniform vec3 hemisphereLightDirection[ MAX_HEMI_LIGHTS ];\n#endif\n#if MAX_POINT_LIGHTS > 0\nuniform vec3 pointLightColor[ MAX_POINT_LIGHTS ];\nuniform vec3 pointLightPosition[ MAX_POINT_LIGHTS ];\nuniform float pointLightDistance[ MAX_POINT_LIGHTS ];\n#endif\n#if MAX_SPOT_LIGHTS > 0\nuniform vec3 spotLightColor[ MAX_SPOT_LIGHTS ];\nuniform vec3 spotLightPosition[ MAX_SPOT_LIGHTS ];\nuniform vec3 spotLightDirection[ MAX_SPOT_LIGHTS ];\nuniform float spotLightAngleCos[ MAX_SPOT_LIGHTS ];\nuniform float spotLightExponent[ MAX_SPOT_LIGHTS ];\nuniform float spotLightDistance[ MAX_SPOT_LIGHTS ];\n#endif\n#ifdef WRAP_AROUND\nuniform vec3 wrapRGB;\n#endif\nvarying vec3 vWorldPosition;\nvarying vec3 vViewPosition;",
+THREE.ShaderChunk.shadowmap_pars_fragment,THREE.ShaderChunk.fog_pars_fragment,"void main() {\ngl_FragColor = vec4( vec3( 1.0 ), uOpacity );\nvec3 specularTex = vec3( 1.0 );\nvec3 normalTex = texture2D( tNormal, vUv ).xyz * 2.0 - 1.0;\nnormalTex.xy *= uNormalScale;\nnormalTex = normalize( normalTex );\nif( enableDiffuse ) {\n#ifdef GAMMA_INPUT\nvec4 texelColor = texture2D( tDiffuse, vUv );\ntexelColor.xyz *= texelColor.xyz;\ngl_FragColor = gl_FragColor * texelColor;\n#else\ngl_FragColor = gl_FragColor * texture2D( tDiffuse, vUv );\n#endif\n}\nif( enableAO ) {\n#ifdef GAMMA_INPUT\nvec4 aoColor = texture2D( tAO, vUv );\naoColor.xyz *= aoColor.xyz;\ngl_FragColor.xyz = gl_FragColor.xyz * aoColor.xyz;\n#else\ngl_FragColor.xyz = gl_FragColor.xyz * texture2D( tAO, vUv ).xyz;\n#endif\n}\nif( enableSpecular )\nspecularTex = texture2D( tSpecular, vUv ).xyz;\nmat3 tsb = mat3( normalize( vTangent ), normalize( vBinormal ), normalize( vNormal ) );\nvec3 finalNormal = tsb * normalTex;\n#ifdef FLIP_SIDED\nfinalNormal = -finalNormal;\n#endif\nvec3 normal = normalize( finalNormal );\nvec3 viewPosition = normalize( vViewPosition );\n#if MAX_POINT_LIGHTS > 0\nvec3 pointDiffuse = vec3( 0.0 );\nvec3 pointSpecular = vec3( 0.0 );\nfor ( int i = 0; i < MAX_POINT_LIGHTS; i ++ ) {\nvec4 lPosition = viewMatrix * vec4( pointLightPosition[ i ], 1.0 );\nvec3 pointVector = lPosition.xyz + vViewPosition.xyz;\nfloat pointDistance = 1.0;\nif ( pointLightDistance[ i ] > 0.0 )\npointDistance = 1.0 - min( ( length( pointVector ) / pointLightDistance[ i ] ), 1.0 );\npointVector = normalize( pointVector );\n#ifdef WRAP_AROUND\nfloat pointDiffuseWeightFull = max( dot( normal, pointVector ), 0.0 );\nfloat pointDiffuseWeightHalf = max( 0.5 * dot( normal, pointVector ) + 0.5, 0.0 );\nvec3 pointDiffuseWeight = mix( vec3 ( pointDiffuseWeightFull ), vec3( pointDiffuseWeightHalf ), wrapRGB );\n#else\nfloat pointDiffuseWeight = max( dot( normal, pointVector ), 0.0 );\n#endif\npointDiffuse += pointDistance * pointLightColor[ i ] * uDiffuseColor * pointDiffuseWeight;\nvec3 pointHalfVector = normalize( pointVector + viewPosition );\nfloat pointDotNormalHalf = max( dot( normal, pointHalfVector ), 0.0 );\nfloat pointSpecularWeight = specularTex.r * max( pow( pointDotNormalHalf, uShininess ), 0.0 );\n#ifdef PHYSICALLY_BASED_SHADING\nfloat specularNormalization = ( uShininess + 2.0001 ) / 8.0;\nvec3 schlick = uSpecularColor + vec3( 1.0 - uSpecularColor ) * pow( 1.0 - dot( pointVector, pointHalfVector ), 5.0 );\npointSpecular += schlick * pointLightColor[ i ] * pointSpecularWeight * pointDiffuseWeight * pointDistance * specularNormalization;\n#else\npointSpecular += pointDistance * pointLightColor[ i ] * uSpecularColor * pointSpecularWeight * pointDiffuseWeight;\n#endif\n}\n#endif\n#if MAX_SPOT_LIGHTS > 0\nvec3 spotDiffuse = vec3( 0.0 );\nvec3 spotSpecular = vec3( 0.0 );\nfor ( int i = 0; i < MAX_SPOT_LIGHTS; i ++ ) {\nvec4 lPosition = viewMatrix * vec4( spotLightPosition[ i ], 1.0 );\nvec3 spotVector = lPosition.xyz + vViewPosition.xyz;\nfloat spotDistance = 1.0;\nif ( spotLightDistance[ i ] > 0.0 )\nspotDistance = 1.0 - min( ( length( spotVector ) / spotLightDistance[ i ] ), 1.0 );\nspotVector = normalize( spotVector );\nfloat spotEffect = dot( spotLightDirection[ i ], normalize( spotLightPosition[ i ] - vWorldPosition ) );\nif ( spotEffect > spotLightAngleCos[ i ] ) {\nspotEffect = max( pow( spotEffect, spotLightExponent[ i ] ), 0.0 );\n#ifdef WRAP_AROUND\nfloat spotDiffuseWeightFull = max( dot( normal, spotVector ), 0.0 );\nfloat spotDiffuseWeightHalf = max( 0.5 * dot( normal, spotVector ) + 0.5, 0.0 );\nvec3 spotDiffuseWeight = mix( vec3 ( spotDiffuseWeightFull ), vec3( spotDiffuseWeightHalf ), wrapRGB );\n#else\nfloat spotDiffuseWeight = max( dot( normal, spotVector ), 0.0 );\n#endif\nspotDiffuse += spotDistance * spotLightColor[ i ] * uDiffuseColor * spotDiffuseWeight * spotEffect;\nvec3 spotHalfVector = normalize( spotVector + viewPosition );\nfloat spotDotNormalHalf = max( dot( normal, spotHalfVector ), 0.0 );\nfloat spotSpecularWeight = specularTex.r * max( pow( spotDotNormalHalf, uShininess ), 0.0 );\n#ifdef PHYSICALLY_BASED_SHADING\nfloat specularNormalization = ( uShininess + 2.0001 ) / 8.0;\nvec3 schlick = uSpecularColor + vec3( 1.0 - uSpecularColor ) * pow( 1.0 - dot( spotVector, spotHalfVector ), 5.0 );\nspotSpecular += schlick * spotLightColor[ i ] * spotSpecularWeight * spotDiffuseWeight * spotDistance * specularNormalization * spotEffect;\n#else\nspotSpecular += spotDistance * spotLightColor[ i ] * uSpecularColor * spotSpecularWeight * spotDiffuseWeight * spotEffect;\n#endif\n}\n}\n#endif\n#if MAX_DIR_LIGHTS > 0\nvec3 dirDiffuse = vec3( 0.0 );\nvec3 dirSpecular = vec3( 0.0 );\nfor( int i = 0; i < MAX_DIR_LIGHTS; i++ ) {\nvec4 lDirection = viewMatrix * vec4( directionalLightDirection[ i ], 0.0 );\nvec3 dirVector = normalize( lDirection.xyz );\n#ifdef WRAP_AROUND\nfloat directionalLightWeightingFull = max( dot( normal, dirVector ), 0.0 );\nfloat directionalLightWeightingHalf = max( 0.5 * dot( normal, dirVector ) + 0.5, 0.0 );\nvec3 dirDiffuseWeight = mix( vec3( directionalLightWeightingFull ), vec3( directionalLightWeightingHalf ), wrapRGB );\n#else\nfloat dirDiffuseWeight = max( dot( normal, dirVector ), 0.0 );\n#endif\ndirDiffuse += directionalLightColor[ i ] * uDiffuseColor * dirDiffuseWeight;\nvec3 dirHalfVector = normalize( dirVector + viewPosition );\nfloat dirDotNormalHalf = max( dot( normal, dirHalfVector ), 0.0 );\nfloat dirSpecularWeight = specularTex.r * max( pow( dirDotNormalHalf, uShininess ), 0.0 );\n#ifdef PHYSICALLY_BASED_SHADING\nfloat specularNormalization = ( uShininess + 2.0001 ) / 8.0;\nvec3 schlick = uSpecularColor + vec3( 1.0 - uSpecularColor ) * pow( 1.0 - dot( dirVector, dirHalfVector ), 5.0 );\ndirSpecular += schlick * directionalLightColor[ i ] * dirSpecularWeight * dirDiffuseWeight * specularNormalization;\n#else\ndirSpecular += directionalLightColor[ i ] * uSpecularColor * dirSpecularWeight * dirDiffuseWeight;\n#endif\n}\n#endif\n#if MAX_HEMI_LIGHTS > 0\nvec3 hemiDiffuse  = vec3( 0.0 );\nvec3 hemiSpecular = vec3( 0.0 );\nfor( int i = 0; i < MAX_HEMI_LIGHTS; i ++ ) {\nvec4 lDirection = viewMatrix * vec4( hemisphereLightDirection[ i ], 0.0 );\nvec3 lVector = normalize( lDirection.xyz );\nfloat dotProduct = dot( normal, lVector );\nfloat hemiDiffuseWeight = 0.5 * dotProduct + 0.5;\nvec3 hemiColor = mix( hemisphereLightGroundColor[ i ], hemisphereLightSkyColor[ i ], hemiDiffuseWeight );\nhemiDiffuse += uDiffuseColor * hemiColor;\nvec3 hemiHalfVectorSky = normalize( lVector + viewPosition );\nfloat hemiDotNormalHalfSky = 0.5 * dot( normal, hemiHalfVectorSky ) + 0.5;\nfloat hemiSpecularWeightSky = specularTex.r * max( pow( hemiDotNormalHalfSky, uShininess ), 0.0 );\nvec3 lVectorGround = -lVector;\nvec3 hemiHalfVectorGround = normalize( lVectorGround + viewPosition );\nfloat hemiDotNormalHalfGround = 0.5 * dot( normal, hemiHalfVectorGround ) + 0.5;\nfloat hemiSpecularWeightGround = specularTex.r * max( pow( hemiDotNormalHalfGround, uShininess ), 0.0 );\n#ifdef PHYSICALLY_BASED_SHADING\nfloat dotProductGround = dot( normal, lVectorGround );\nfloat specularNormalization = ( uShininess + 2.0001 ) / 8.0;\nvec3 schlickSky = uSpecularColor + vec3( 1.0 - uSpecularColor ) * pow( 1.0 - dot( lVector, hemiHalfVectorSky ), 5.0 );\nvec3 schlickGround = uSpecularColor + vec3( 1.0 - uSpecularColor ) * pow( 1.0 - dot( lVectorGround, hemiHalfVectorGround ), 5.0 );\nhemiSpecular += hemiColor * specularNormalization * ( schlickSky * hemiSpecularWeightSky * max( dotProduct, 0.0 ) + schlickGround * hemiSpecularWeightGround * max( dotProductGround, 0.0 ) );\n#else\nhemiSpecular += uSpecularColor * hemiColor * ( hemiSpecularWeightSky + hemiSpecularWeightGround ) * hemiDiffuseWeight;\n#endif\n}\n#endif\nvec3 totalDiffuse = vec3( 0.0 );\nvec3 totalSpecular = vec3( 0.0 );\n#if MAX_DIR_LIGHTS > 0\ntotalDiffuse += dirDiffuse;\ntotalSpecular += dirSpecular;\n#endif\n#if MAX_HEMI_LIGHTS > 0\ntotalDiffuse += hemiDiffuse;\ntotalSpecular += hemiSpecular;\n#endif\n#if MAX_POINT_LIGHTS > 0\ntotalDiffuse += pointDiffuse;\ntotalSpecular += pointSpecular;\n#endif\n#if MAX_SPOT_LIGHTS > 0\ntotalDiffuse += spotDiffuse;\ntotalSpecular += spotSpecular;\n#endif\n#ifdef METAL\ngl_FragColor.xyz = gl_FragColor.xyz * ( totalDiffuse + ambientLightColor * uAmbientColor + totalSpecular );\n#else\ngl_FragColor.xyz = gl_FragColor.xyz * ( totalDiffuse + ambientLightColor * uAmbientColor ) + totalSpecular;\n#endif\nif ( enableReflection ) {\nvec3 vReflect;\nvec3 cameraToVertex = normalize( vWorldPosition - cameraPosition );\nif ( useRefract ) {\nvReflect = refract( cameraToVertex, normal, uRefractionRatio );\n} else {\nvReflect = reflect( cameraToVertex, normal );\n}\nvec4 cubeColor = textureCube( tCube, vec3( -vReflect.x, vReflect.yz ) );\n#ifdef GAMMA_INPUT\ncubeColor.xyz *= cubeColor.xyz;\n#endif\ngl_FragColor.xyz = mix( gl_FragColor.xyz, cubeColor.xyz, specularTex.r * uReflectivity );\n}",
+THREE.ShaderChunk.shadowmap_fragment,THREE.ShaderChunk.linear_to_gamma_fragment,THREE.ShaderChunk.fog_fragment,"}"].join("\n"),vertexShader:["attribute vec4 tangent;\nuniform vec2 uOffset;\nuniform vec2 uRepeat;\nuniform bool enableDisplacement;\n#ifdef VERTEX_TEXTURES\nuniform sampler2D tDisplacement;\nuniform float uDisplacementScale;\nuniform float uDisplacementBias;\n#endif\nvarying vec3 vTangent;\nvarying vec3 vBinormal;\nvarying vec3 vNormal;\nvarying vec2 vUv;\nvarying vec3 vWorldPosition;\nvarying vec3 vViewPosition;",
+THREE.ShaderChunk.skinning_pars_vertex,THREE.ShaderChunk.shadowmap_pars_vertex,"void main() {",THREE.ShaderChunk.skinbase_vertex,THREE.ShaderChunk.skinnormal_vertex,"#ifdef USE_SKINNING\nvNormal = normalize( normalMatrix * skinnedNormal.xyz );\nvec4 skinnedTangent = skinMatrix * vec4( tangent.xyz, 0.0 );\nvTangent = normalize( normalMatrix * skinnedTangent.xyz );\n#else\nvNormal = normalize( normalMatrix * normal );\nvTangent = normalize( normalMatrix * tangent.xyz );\n#endif\nvBinormal = normalize( cross( vNormal, vTangent ) * tangent.w );\nvUv = uv * uRepeat + uOffset;\nvec3 displacedPosition;\n#ifdef VERTEX_TEXTURES\nif ( enableDisplacement ) {\nvec3 dv = texture2D( tDisplacement, uv ).xyz;\nfloat df = uDisplacementScale * dv.x + uDisplacementBias;\ndisplacedPosition = position + normalize( normal ) * df;\n} else {\n#ifdef USE_SKINNING\nvec4 skinVertex = vec4( position, 1.0 );\nvec4 skinned  = boneMatX * skinVertex * skinWeight.x;\nskinned \t  += boneMatY * skinVertex * skinWeight.y;\ndisplacedPosition  = skinned.xyz;\n#else\ndisplacedPosition = position;\n#endif\n}\n#else\n#ifdef USE_SKINNING\nvec4 skinVertex = vec4( position, 1.0 );\nvec4 skinned  = boneMatX * skinVertex * skinWeight.x;\nskinned \t  += boneMatY * skinVertex * skinWeight.y;\ndisplacedPosition  = skinned.xyz;\n#else\ndisplacedPosition = position;\n#endif\n#endif\nvec4 mvPosition = modelViewMatrix * vec4( displacedPosition, 1.0 );\nvec4 worldPosition = modelMatrix * vec4( displacedPosition, 1.0 );\ngl_Position = projectionMatrix * mvPosition;\nvWorldPosition = worldPosition.xyz;\nvViewPosition = -mvPosition.xyz;\n#ifdef USE_SHADOWMAP\nfor( int i = 0; i < MAX_SHADOWS; i ++ ) {\nvShadowCoord[ i ] = shadowMatrix[ i ] * worldPosition;\n}\n#endif\n}"].join("\n")},
+cube:{uniforms:{tCube:{type:"t",value:null},tFlip:{type:"f",value:-1}},vertexShader:"varying vec3 vWorldPosition;\nvoid main() {\nvec4 worldPosition = modelMatrix * vec4( position, 1.0 );\nvWorldPosition = worldPosition.xyz;\ngl_Position = projectionMatrix * modelViewMatrix * vec4( position, 1.0 );\n}",fragmentShader:"uniform samplerCube tCube;\nuniform float tFlip;\nvarying vec3 vWorldPosition;\nvoid main() {\ngl_FragColor = textureCube( tCube, vec3( tFlip * vWorldPosition.x, vWorldPosition.yz ) );\n}"}}};
+THREE.FontUtils={faces:{},face:"helvetiker",weight:"normal",style:"normal",size:150,divisions:10,getFace:function(){return this.faces[this.face][this.weight][this.style]},loadFace:function(a){var b=a.familyName.toLowerCase();this.faces[b]=this.faces[b]||{};this.faces[b][a.cssFontWeight]=this.faces[b][a.cssFontWeight]||{};this.faces[b][a.cssFontWeight][a.cssFontStyle]=a;return this.faces[b][a.cssFontWeight][a.cssFontStyle]=a},drawText:function(a){var b=this.getFace(),c=this.size/b.resolution,d=0,e=
+String(a).split(""),f=e.length,g=[];for(a=0;a<f;a++){var h=new THREE.Path,h=this.extractGlyphPoints(e[a],b,c,d,h),d=d+h.offset;g.push(h.path)}return{paths:g,offset:d/2}},extractGlyphPoints:function(a,b,c,d,e){var f=[],g,h,l,k,q,s,t,v,u,w,x,y=b.glyphs[a]||b.glyphs["?"];if(y){if(y.o)for(b=y._cachedOutline||(y._cachedOutline=y.o.split(" ")),k=b.length,a=0;a<k;)switch(l=b[a++],l){case "m":l=b[a++]*c+d;q=b[a++]*c;e.moveTo(l,q);break;case "l":l=b[a++]*c+d;q=b[a++]*c;e.lineTo(l,q);break;case "q":l=b[a++]*
+c+d;q=b[a++]*c;v=b[a++]*c+d;u=b[a++]*c;e.quadraticCurveTo(v,u,l,q);if(g=f[f.length-1])for(s=g.x,t=g.y,g=1,h=this.divisions;g<=h;g++){var A=g/h;THREE.Shape.Utils.b2(A,s,v,l);THREE.Shape.Utils.b2(A,t,u,q)}break;case "b":if(l=b[a++]*c+d,q=b[a++]*c,v=b[a++]*c+d,u=b[a++]*-c,w=b[a++]*c+d,x=b[a++]*-c,e.bezierCurveTo(l,q,v,u,w,x),g=f[f.length-1])for(s=g.x,t=g.y,g=1,h=this.divisions;g<=h;g++)A=g/h,THREE.Shape.Utils.b3(A,s,v,w,l),THREE.Shape.Utils.b3(A,t,u,x,q)}return{offset:y.ha*c,path:e}}}};
+THREE.FontUtils.generateShapes=function(a,b){b=b||{};var c=void 0!==b.curveSegments?b.curveSegments:4,d=void 0!==b.font?b.font:"helvetiker",e=void 0!==b.weight?b.weight:"normal",f=void 0!==b.style?b.style:"normal";THREE.FontUtils.size=void 0!==b.size?b.size:100;THREE.FontUtils.divisions=c;THREE.FontUtils.face=d;THREE.FontUtils.weight=e;THREE.FontUtils.style=f;c=THREE.FontUtils.drawText(a).paths;d=[];e=0;for(f=c.length;e<f;e++)Array.prototype.push.apply(d,c[e].toShapes());return d};
+(function(a){var b=function(a){for(var b=a.length,e=0,f=b-1,g=0;g<b;f=g++)e+=a[f].x*a[g].y-a[g].x*a[f].y;return 0.5*e};a.Triangulate=function(a,d){var e=a.length;if(3>e)return null;var f=[],g=[],h=[],l,k,q;if(0<b(a))for(k=0;k<e;k++)g[k]=k;else for(k=0;k<e;k++)g[k]=e-1-k;var s=2*e;for(k=e-1;2<e;){if(0>=s--){console.log("Warning, unable to triangulate polygon!");break}l=k;e<=l&&(l=0);k=l+1;e<=k&&(k=0);q=k+1;e<=q&&(q=0);var t;a:{t=a;var v=l,u=k,w=q,x=e,y=g,A=void 0,C=void 0,B=void 0,z=void 0,D=void 0,
+I=void 0,J=void 0,F=void 0,K=void 0,C=t[y[v]].x,B=t[y[v]].y,z=t[y[u]].x,D=t[y[u]].y,I=t[y[w]].x,J=t[y[w]].y;if(1E-10>(z-C)*(J-B)-(D-B)*(I-C))t=!1;else{for(A=0;A<x;A++)if(A!=v&&A!=u&&A!=w){var F=t[y[A]].x,K=t[y[A]].y,L=void 0,H=void 0,T=void 0,R=void 0,m=void 0,O=void 0,W=void 0,P=void 0,ha=void 0,ca=void 0,oa=void 0,S=void 0,L=T=m=void 0,L=I-z,H=J-D,T=C-I,R=B-J,m=z-C,O=D-B,W=F-C,P=K-B,ha=F-z,ca=K-D,oa=F-I,S=K-J,L=L*ca-H*ha,m=m*P-O*W,T=T*S-R*oa;if(0<=L&&0<=T&&0<=m){t=!1;break a}}t=!0}}if(t){f.push([a[g[l]],
+a[g[k]],a[g[q]]]);h.push([g[l],g[k],g[q]]);l=k;for(q=k+1;q<e;l++,q++)g[l]=g[q];e--;s=2*e}}return d?h:f};a.Triangulate.area=b;return a})(THREE.FontUtils);self._typeface_js={faces:THREE.FontUtils.faces,loadFace:THREE.FontUtils.loadFace};THREE.Curve=function(){};THREE.Curve.prototype.getPoint=function(a){console.log("Warning, getPoint() not implemented!");return null};THREE.Curve.prototype.getPointAt=function(a){a=this.getUtoTmapping(a);return this.getPoint(a)};
+THREE.Curve.prototype.getPoints=function(a){a||(a=5);var b,c=[];for(b=0;b<=a;b++)c.push(this.getPoint(b/a));return c};THREE.Curve.prototype.getSpacedPoints=function(a){a||(a=5);var b,c=[];for(b=0;b<=a;b++)c.push(this.getPointAt(b/a));return c};THREE.Curve.prototype.getLength=function(){var a=this.getLengths();return a[a.length-1]};
+THREE.Curve.prototype.getLengths=function(a){a||(a=this.__arcLengthDivisions?this.__arcLengthDivisions:200);if(this.cacheArcLengths&&this.cacheArcLengths.length==a+1&&!this.needsUpdate)return this.cacheArcLengths;this.needsUpdate=!1;var b=[],c,d=this.getPoint(0),e,f=0;b.push(0);for(e=1;e<=a;e++)c=this.getPoint(e/a),f+=c.distanceTo(d),b.push(f),d=c;return this.cacheArcLengths=b};THREE.Curve.prototype.updateArcLengths=function(){this.needsUpdate=!0;this.getLengths()};
+THREE.Curve.prototype.getUtoTmapping=function(a,b){var c=this.getLengths(),d=0,e=c.length,f;f=b?b:a*c[e-1];for(var g=0,h=e-1,l;g<=h;)if(d=Math.floor(g+(h-g)/2),l=c[d]-f,0>l)g=d+1;else if(0<l)h=d-1;else{h=d;break}d=h;if(c[d]==f)return d/(e-1);g=c[d];return c=(d+(f-g)/(c[d+1]-g))/(e-1)};THREE.Curve.prototype.getNormalVector=function(a){a=this.getTangent(a);return new THREE.Vector2(-a.y,a.x)};THREE.Curve.prototype.getTangent=function(a){var b=a-1E-4;a+=1E-4;0>b&&(b=0);1<a&&(a=1);b=this.getPoint(b);return this.getPoint(a).clone().subSelf(b).normalize()};
+THREE.Curve.prototype.getTangentAt=function(a){a=this.getUtoTmapping(a);return this.getTangent(a)};THREE.LineCurve=function(a,b){this.v1=a;this.v2=b};THREE.LineCurve.prototype=Object.create(THREE.Curve.prototype);THREE.LineCurve.prototype.getPoint=function(a){var b=this.v2.clone().subSelf(this.v1);b.multiplyScalar(a).addSelf(this.v1);return b};THREE.LineCurve.prototype.getPointAt=function(a){return this.getPoint(a)};THREE.LineCurve.prototype.getTangent=function(a){return this.v2.clone().subSelf(this.v1).normalize()};
+THREE.QuadraticBezierCurve=function(a,b,c){this.v0=a;this.v1=b;this.v2=c};THREE.QuadraticBezierCurve.prototype=Object.create(THREE.Curve.prototype);THREE.QuadraticBezierCurve.prototype.getPoint=function(a){var b;b=THREE.Shape.Utils.b2(a,this.v0.x,this.v1.x,this.v2.x);a=THREE.Shape.Utils.b2(a,this.v0.y,this.v1.y,this.v2.y);return new THREE.Vector2(b,a)};
+THREE.QuadraticBezierCurve.prototype.getTangent=function(a){var b;b=THREE.Curve.Utils.tangentQuadraticBezier(a,this.v0.x,this.v1.x,this.v2.x);a=THREE.Curve.Utils.tangentQuadraticBezier(a,this.v0.y,this.v1.y,this.v2.y);b=new THREE.Vector2(b,a);b.normalize();return b};THREE.CubicBezierCurve=function(a,b,c,d){this.v0=a;this.v1=b;this.v2=c;this.v3=d};THREE.CubicBezierCurve.prototype=Object.create(THREE.Curve.prototype);
+THREE.CubicBezierCurve.prototype.getPoint=function(a){var b;b=THREE.Shape.Utils.b3(a,this.v0.x,this.v1.x,this.v2.x,this.v3.x);a=THREE.Shape.Utils.b3(a,this.v0.y,this.v1.y,this.v2.y,this.v3.y);return new THREE.Vector2(b,a)};THREE.CubicBezierCurve.prototype.getTangent=function(a){var b;b=THREE.Curve.Utils.tangentCubicBezier(a,this.v0.x,this.v1.x,this.v2.x,this.v3.x);a=THREE.Curve.Utils.tangentCubicBezier(a,this.v0.y,this.v1.y,this.v2.y,this.v3.y);b=new THREE.Vector2(b,a);b.normalize();return b};
+THREE.SplineCurve=function(a){this.points=void 0==a?[]:a};THREE.SplineCurve.prototype=Object.create(THREE.Curve.prototype);THREE.SplineCurve.prototype.getPoint=function(a){var b=new THREE.Vector2,c=[],d=this.points,e;e=(d.length-1)*a;a=Math.floor(e);e-=a;c[0]=0==a?a:a-1;c[1]=a;c[2]=a>d.length-2?d.length-1:a+1;c[3]=a>d.length-3?d.length-1:a+2;b.x=THREE.Curve.Utils.interpolate(d[c[0]].x,d[c[1]].x,d[c[2]].x,d[c[3]].x,e);b.y=THREE.Curve.Utils.interpolate(d[c[0]].y,d[c[1]].y,d[c[2]].y,d[c[3]].y,e);return b};
+THREE.EllipseCurve=function(a,b,c,d,e,f,g){this.aX=a;this.aY=b;this.xRadius=c;this.yRadius=d;this.aStartAngle=e;this.aEndAngle=f;this.aClockwise=g};THREE.EllipseCurve.prototype=Object.create(THREE.Curve.prototype);THREE.EllipseCurve.prototype.getPoint=function(a){var b=this.aEndAngle-this.aStartAngle;this.aClockwise||(a=1-a);b=this.aStartAngle+a*b;a=this.aX+this.xRadius*Math.cos(b);b=this.aY+this.yRadius*Math.sin(b);return new THREE.Vector2(a,b)};
+THREE.ArcCurve=function(a,b,c,d,e,f){THREE.EllipseCurve.call(this,a,b,c,c,d,e,f)};THREE.ArcCurve.prototype=Object.create(THREE.EllipseCurve.prototype);
+THREE.Curve.Utils={tangentQuadraticBezier:function(a,b,c,d){return 2*(1-a)*(c-b)+2*a*(d-c)},tangentCubicBezier:function(a,b,c,d,e){return-3*b*(1-a)*(1-a)+3*c*(1-a)*(1-a)-6*a*c*(1-a)+6*a*d*(1-a)-3*a*a*d+3*a*a*e},tangentSpline:function(a,b,c,d,e){return 6*a*a-6*a+(3*a*a-4*a+1)+(-6*a*a+6*a)+(3*a*a-2*a)},interpolate:function(a,b,c,d,e){a=0.5*(c-a);d=0.5*(d-b);var f=e*e;return(2*b-2*c+a+d)*e*f+(-3*b+3*c-2*a-d)*f+a*e+b}};
+THREE.Curve.create=function(a,b){a.prototype=Object.create(THREE.Curve.prototype);a.prototype.getPoint=b;return a};THREE.LineCurve3=THREE.Curve.create(function(a,b){this.v1=a;this.v2=b},function(a){var b=new THREE.Vector3;b.sub(this.v2,this.v1);b.multiplyScalar(a);b.addSelf(this.v1);return b});
+THREE.QuadraticBezierCurve3=THREE.Curve.create(function(a,b,c){this.v0=a;this.v1=b;this.v2=c},function(a){var b,c;b=THREE.Shape.Utils.b2(a,this.v0.x,this.v1.x,this.v2.x);c=THREE.Shape.Utils.b2(a,this.v0.y,this.v1.y,this.v2.y);a=THREE.Shape.Utils.b2(a,this.v0.z,this.v1.z,this.v2.z);return new THREE.Vector3(b,c,a)});
+THREE.CubicBezierCurve3=THREE.Curve.create(function(a,b,c,d){this.v0=a;this.v1=b;this.v2=c;this.v3=d},function(a){var b,c;b=THREE.Shape.Utils.b3(a,this.v0.x,this.v1.x,this.v2.x,this.v3.x);c=THREE.Shape.Utils.b3(a,this.v0.y,this.v1.y,this.v2.y,this.v3.y);a=THREE.Shape.Utils.b3(a,this.v0.z,this.v1.z,this.v2.z,this.v3.z);return new THREE.Vector3(b,c,a)});
+THREE.SplineCurve3=THREE.Curve.create(function(a){this.points=void 0==a?[]:a},function(a){var b=new THREE.Vector3,c=[],d=this.points,e;a*=d.length-1;e=Math.floor(a);a-=e;c[0]=0==e?e:e-1;c[1]=e;c[2]=e>d.length-2?d.length-1:e+1;c[3]=e>d.length-3?d.length-1:e+2;e=d[c[0]];var f=d[c[1]],g=d[c[2]],c=d[c[3]];b.x=THREE.Curve.Utils.interpolate(e.x,f.x,g.x,c.x,a);b.y=THREE.Curve.Utils.interpolate(e.y,f.y,g.y,c.y,a);b.z=THREE.Curve.Utils.interpolate(e.z,f.z,g.z,c.z,a);return b});
+THREE.ClosedSplineCurve3=THREE.Curve.create(function(a){this.points=void 0==a?[]:a},function(a){var b=new THREE.Vector3,c=[],d=this.points,e;e=(d.length-0)*a;a=Math.floor(e);e-=a;a+=0<a?0:(Math.floor(Math.abs(a)/d.length)+1)*d.length;c[0]=(a-1)%d.length;c[1]=a%d.length;c[2]=(a+1)%d.length;c[3]=(a+2)%d.length;b.x=THREE.Curve.Utils.interpolate(d[c[0]].x,d[c[1]].x,d[c[2]].x,d[c[3]].x,e);b.y=THREE.Curve.Utils.interpolate(d[c[0]].y,d[c[1]].y,d[c[2]].y,d[c[3]].y,e);b.z=THREE.Curve.Utils.interpolate(d[c[0]].z,
+d[c[1]].z,d[c[2]].z,d[c[3]].z,e);return b});THREE.CurvePath=function(){this.curves=[];this.bends=[];this.autoClose=!1};THREE.CurvePath.prototype=Object.create(THREE.Curve.prototype);THREE.CurvePath.prototype.add=function(a){this.curves.push(a)};THREE.CurvePath.prototype.checkConnection=function(){};THREE.CurvePath.prototype.closePath=function(){var a=this.curves[0].getPoint(0),b=this.curves[this.curves.length-1].getPoint(1);a.equals(b)||this.curves.push(new THREE.LineCurve(b,a))};
+THREE.CurvePath.prototype.getPoint=function(a){var b=a*this.getLength(),c=this.getCurveLengths();for(a=0;a<c.length;){if(c[a]>=b)return b=c[a]-b,a=this.curves[a],b=1-b/a.getLength(),a.getPointAt(b);a++}return null};THREE.CurvePath.prototype.getLength=function(){var a=this.getCurveLengths();return a[a.length-1]};
+THREE.CurvePath.prototype.getCurveLengths=function(){if(this.cacheLengths&&this.cacheLengths.length==this.curves.length)return this.cacheLengths;var a=[],b=0,c,d=this.curves.length;for(c=0;c<d;c++)b+=this.curves[c].getLength(),a.push(b);return this.cacheLengths=a};
+THREE.CurvePath.prototype.getBoundingBox=function(){var a=this.getPoints(),b,c,d,e,f,g;b=c=Number.NEGATIVE_INFINITY;e=f=Number.POSITIVE_INFINITY;var h,l,k,q,s=a[0]instanceof THREE.Vector3;q=s?new THREE.Vector3:new THREE.Vector2;l=0;for(k=a.length;l<k;l++)h=a[l],h.x>b?b=h.x:h.x<e&&(e=h.x),h.y>c?c=h.y:h.y<f&&(f=h.y),s&&(h.z>d?d=h.z:h.z<g&&(g=h.z)),q.addSelf(h);a={minX:e,minY:f,maxX:b,maxY:c,centroid:q.divideScalar(k)};s&&(a.maxZ=d,a.minZ=g);return a};
+THREE.CurvePath.prototype.createPointsGeometry=function(a){a=this.getPoints(a,!0);return this.createGeometry(a)};THREE.CurvePath.prototype.createSpacedPointsGeometry=function(a){a=this.getSpacedPoints(a,!0);return this.createGeometry(a)};THREE.CurvePath.prototype.createGeometry=function(a){for(var b=new THREE.Geometry,c=0;c<a.length;c++)b.vertices.push(new THREE.Vector3(a[c].x,a[c].y,a[c].z||0));return b};THREE.CurvePath.prototype.addWrapPath=function(a){this.bends.push(a)};
+THREE.CurvePath.prototype.getTransformedPoints=function(a,b){var c=this.getPoints(a),d,e;b||(b=this.bends);d=0;for(e=b.length;d<e;d++)c=this.getWrapPoints(c,b[d]);return c};THREE.CurvePath.prototype.getTransformedSpacedPoints=function(a,b){var c=this.getSpacedPoints(a),d,e;b||(b=this.bends);d=0;for(e=b.length;d<e;d++)c=this.getWrapPoints(c,b[d]);return c};
+THREE.CurvePath.prototype.getWrapPoints=function(a,b){var c=this.getBoundingBox(),d,e,f,g,h,l;d=0;for(e=a.length;d<e;d++)f=a[d],g=f.x,h=f.y,l=g/c.maxX,l=b.getUtoTmapping(l,g),g=b.getPoint(l),h=b.getNormalVector(l).multiplyScalar(h),f.x=g.x+h.x,f.y=g.y+h.y;return a};THREE.Gyroscope=function(){THREE.Object3D.call(this)};THREE.Gyroscope.prototype=Object.create(THREE.Object3D.prototype);
+THREE.Gyroscope.prototype.updateMatrixWorld=function(a){this.matrixAutoUpdate&&this.updateMatrix();if(this.matrixWorldNeedsUpdate||a)this.parent?(this.matrixWorld.multiply(this.parent.matrixWorld,this.matrix),this.matrixWorld.decompose(this.translationWorld,this.rotationWorld,this.scaleWorld),this.matrix.decompose(this.translationObject,this.rotationObject,this.scaleObject),this.matrixWorld.compose(this.translationWorld,this.rotationObject,this.scaleWorld)):this.matrixWorld.copy(this.matrix),this.matrixWorldNeedsUpdate=
+!1,a=!0;for(var b=0,c=this.children.length;b<c;b++)this.children[b].updateMatrixWorld(a)};THREE.Gyroscope.prototype.translationWorld=new THREE.Vector3;THREE.Gyroscope.prototype.translationObject=new THREE.Vector3;THREE.Gyroscope.prototype.rotationWorld=new THREE.Quaternion;THREE.Gyroscope.prototype.rotationObject=new THREE.Quaternion;THREE.Gyroscope.prototype.scaleWorld=new THREE.Vector3;THREE.Gyroscope.prototype.scaleObject=new THREE.Vector3;
+THREE.Path=function(a){THREE.CurvePath.call(this);this.actions=[];a&&this.fromPoints(a)};THREE.Path.prototype=Object.create(THREE.CurvePath.prototype);THREE.PathActions={MOVE_TO:"moveTo",LINE_TO:"lineTo",QUADRATIC_CURVE_TO:"quadraticCurveTo",BEZIER_CURVE_TO:"bezierCurveTo",CSPLINE_THRU:"splineThru",ARC:"arc",ELLIPSE:"ellipse"};THREE.Path.prototype.fromPoints=function(a){this.moveTo(a[0].x,a[0].y);for(var b=1,c=a.length;b<c;b++)this.lineTo(a[b].x,a[b].y)};
+THREE.Path.prototype.moveTo=function(a,b){var c=Array.prototype.slice.call(arguments);this.actions.push({action:THREE.PathActions.MOVE_TO,args:c})};THREE.Path.prototype.lineTo=function(a,b){var c=Array.prototype.slice.call(arguments),d=this.actions[this.actions.length-1].args,d=new THREE.LineCurve(new THREE.Vector2(d[d.length-2],d[d.length-1]),new THREE.Vector2(a,b));this.curves.push(d);this.actions.push({action:THREE.PathActions.LINE_TO,args:c})};
+THREE.Path.prototype.quadraticCurveTo=function(a,b,c,d){var e=Array.prototype.slice.call(arguments),f=this.actions[this.actions.length-1].args,f=new THREE.QuadraticBezierCurve(new THREE.Vector2(f[f.length-2],f[f.length-1]),new THREE.Vector2(a,b),new THREE.Vector2(c,d));this.curves.push(f);this.actions.push({action:THREE.PathActions.QUADRATIC_CURVE_TO,args:e})};
+THREE.Path.prototype.bezierCurveTo=function(a,b,c,d,e,f){var g=Array.prototype.slice.call(arguments),h=this.actions[this.actions.length-1].args,h=new THREE.CubicBezierCurve(new THREE.Vector2(h[h.length-2],h[h.length-1]),new THREE.Vector2(a,b),new THREE.Vector2(c,d),new THREE.Vector2(e,f));this.curves.push(h);this.actions.push({action:THREE.PathActions.BEZIER_CURVE_TO,args:g})};
+THREE.Path.prototype.splineThru=function(a){var b=Array.prototype.slice.call(arguments),c=this.actions[this.actions.length-1].args,c=[new THREE.Vector2(c[c.length-2],c[c.length-1])];Array.prototype.push.apply(c,a);c=new THREE.SplineCurve(c);this.curves.push(c);this.actions.push({action:THREE.PathActions.CSPLINE_THRU,args:b})};THREE.Path.prototype.arc=function(a,b,c,d,e,f){var g=this.actions[this.actions.length-1].args;this.absarc(a+g[g.length-2],b+g[g.length-1],c,d,e,f)};
+THREE.Path.prototype.absarc=function(a,b,c,d,e,f){this.absellipse(a,b,c,c,d,e,f)};THREE.Path.prototype.ellipse=function(a,b,c,d,e,f,g){var h=this.actions[this.actions.length-1].args;this.absellipse(a+h[h.length-2],b+h[h.length-1],c,d,e,f,g)};THREE.Path.prototype.absellipse=function(a,b,c,d,e,f,g){var h=Array.prototype.slice.call(arguments),l=new THREE.EllipseCurve(a,b,c,d,e,f,g);this.curves.push(l);l=l.getPoint(g?1:0);h.push(l.x);h.push(l.y);this.actions.push({action:THREE.PathActions.ELLIPSE,args:h})};
+THREE.Path.prototype.getSpacedPoints=function(a,b){a||(a=40);for(var c=[],d=0;d<a;d++)c.push(this.getPoint(d/a));return c};
+THREE.Path.prototype.getPoints=function(a,b){if(this.useSpacedPoints)return console.log("tata"),this.getSpacedPoints(a,b);a=a||12;var c=[],d,e,f,g,h,l,k,q,s,t,v,u,w;d=0;for(e=this.actions.length;d<e;d++)switch(f=this.actions[d],g=f.action,f=f.args,g){case THREE.PathActions.MOVE_TO:c.push(new THREE.Vector2(f[0],f[1]));break;case THREE.PathActions.LINE_TO:c.push(new THREE.Vector2(f[0],f[1]));break;case THREE.PathActions.QUADRATIC_CURVE_TO:h=f[2];l=f[3];s=f[0];t=f[1];0<c.length?(g=c[c.length-1],v=g.x,
+u=g.y):(g=this.actions[d-1].args,v=g[g.length-2],u=g[g.length-1]);for(f=1;f<=a;f++)w=f/a,g=THREE.Shape.Utils.b2(w,v,s,h),w=THREE.Shape.Utils.b2(w,u,t,l),c.push(new THREE.Vector2(g,w));break;case THREE.PathActions.BEZIER_CURVE_TO:h=f[4];l=f[5];s=f[0];t=f[1];k=f[2];q=f[3];0<c.length?(g=c[c.length-1],v=g.x,u=g.y):(g=this.actions[d-1].args,v=g[g.length-2],u=g[g.length-1]);for(f=1;f<=a;f++)w=f/a,g=THREE.Shape.Utils.b3(w,v,s,k,h),w=THREE.Shape.Utils.b3(w,u,t,q,l),c.push(new THREE.Vector2(g,w));break;case THREE.PathActions.CSPLINE_THRU:g=
+this.actions[d-1].args;w=[new THREE.Vector2(g[g.length-2],g[g.length-1])];g=a*f[0].length;w=w.concat(f[0]);w=new THREE.SplineCurve(w);for(f=1;f<=g;f++)c.push(w.getPointAt(f/g));break;case THREE.PathActions.ARC:h=f[0];l=f[1];t=f[2];k=f[3];g=f[4];s=!!f[5];v=g-k;u=2*a;for(f=1;f<=u;f++)w=f/u,s||(w=1-w),w=k+w*v,g=h+t*Math.cos(w),w=l+t*Math.sin(w),c.push(new THREE.Vector2(g,w));break;case THREE.PathActions.ELLIPSE:for(h=f[0],l=f[1],t=f[2],q=f[3],k=f[4],g=f[5],s=!!f[6],v=g-k,u=2*a,f=1;f<=u;f++)w=f/u,s||
+(w=1-w),w=k+w*v,g=h+t*Math.cos(w),w=l+q*Math.sin(w),c.push(new THREE.Vector2(g,w))}d=c[c.length-1];1E-10>Math.abs(d.x-c[0].x)&&1E-10>Math.abs(d.y-c[0].y)&&c.splice(c.length-1,1);b&&c.push(c[0]);return c};
+THREE.Path.prototype.toShapes=function(){var a,b,c,d,e=[],f=new THREE.Path;a=0;for(b=this.actions.length;a<b;a++)c=this.actions[a],d=c.args,c=c.action,c==THREE.PathActions.MOVE_TO&&0!=f.actions.length&&(e.push(f),f=new THREE.Path),f[c].apply(f,d);0!=f.actions.length&&e.push(f);if(0==e.length)return[];var g;d=[];a=!THREE.Shape.Utils.isClockWise(e[0].getPoints());if(1==e.length)return f=e[0],g=new THREE.Shape,g.actions=f.actions,g.curves=f.curves,d.push(g),d;if(a)for(g=new THREE.Shape,a=0,b=e.length;a<
+b;a++)f=e[a],THREE.Shape.Utils.isClockWise(f.getPoints())?(g.actions=f.actions,g.curves=f.curves,d.push(g),g=new THREE.Shape):g.holes.push(f);else{a=0;for(b=e.length;a<b;a++)f=e[a],THREE.Shape.Utils.isClockWise(f.getPoints())?(g&&d.push(g),g=new THREE.Shape,g.actions=f.actions,g.curves=f.curves):g.holes.push(f);d.push(g)}return d};THREE.Shape=function(){THREE.Path.apply(this,arguments);this.holes=[]};THREE.Shape.prototype=Object.create(THREE.Path.prototype);
+THREE.Shape.prototype.extrude=function(a){return new THREE.ExtrudeGeometry(this,a)};THREE.Shape.prototype.makeGeometry=function(a){return new THREE.ShapeGeometry(this,a)};THREE.Shape.prototype.getPointsHoles=function(a){var b,c=this.holes.length,d=[];for(b=0;b<c;b++)d[b]=this.holes[b].getTransformedPoints(a,this.bends);return d};THREE.Shape.prototype.getSpacedPointsHoles=function(a){var b,c=this.holes.length,d=[];for(b=0;b<c;b++)d[b]=this.holes[b].getTransformedSpacedPoints(a,this.bends);return d};
+THREE.Shape.prototype.extractAllPoints=function(a){return{shape:this.getTransformedPoints(a),holes:this.getPointsHoles(a)}};THREE.Shape.prototype.extractPoints=function(a){return this.useSpacedPoints?this.extractAllSpacedPoints(a):this.extractAllPoints(a)};THREE.Shape.prototype.extractAllSpacedPoints=function(a){return{shape:this.getTransformedSpacedPoints(a),holes:this.getSpacedPointsHoles(a)}};
+THREE.Shape.Utils={removeHoles:function(a,b){var c=a.concat(),d=c.concat(),e,f,g,h,l,k,q,s,t,v,u=[];for(l=0;l<b.length;l++){k=b[l];Array.prototype.push.apply(d,k);f=Number.POSITIVE_INFINITY;for(e=0;e<k.length;e++)for(t=k[e],v=[],s=0;s<c.length;s++)q=c[s],q=t.distanceToSquared(q),v.push(q),q<f&&(f=q,g=e,h=s);e=0<=h-1?h-1:c.length-1;f=0<=g-1?g-1:k.length-1;var w=[k[g],c[h],c[e]];s=THREE.FontUtils.Triangulate.area(w);var x=[k[g],k[f],c[h]];t=THREE.FontUtils.Triangulate.area(x);v=h;q=g;h+=1;g+=-1;0>h&&
+(h+=c.length);h%=c.length;0>g&&(g+=k.length);g%=k.length;e=0<=h-1?h-1:c.length-1;f=0<=g-1?g-1:k.length-1;w=[k[g],c[h],c[e]];w=THREE.FontUtils.Triangulate.area(w);x=[k[g],k[f],c[h]];x=THREE.FontUtils.Triangulate.area(x);s+t>w+x&&(h=v,g=q,0>h&&(h+=c.length),h%=c.length,0>g&&(g+=k.length),g%=k.length,e=0<=h-1?h-1:c.length-1,f=0<=g-1?g-1:k.length-1);s=c.slice(0,h);t=c.slice(h);v=k.slice(g);q=k.slice(0,g);f=[k[g],k[f],c[h]];u.push([k[g],c[h],c[e]]);u.push(f);c=s.concat(v).concat(q).concat(t)}return{shape:c,
+isolatedPts:u,allpoints:d}},triangulateShape:function(a,b){var c=THREE.Shape.Utils.removeHoles(a,b),d=c.allpoints,e=c.isolatedPts,c=THREE.FontUtils.Triangulate(c.shape,!1),f,g,h,l,k={};f=0;for(g=d.length;f<g;f++)l=d[f].x+":"+d[f].y,void 0!==k[l]&&console.log("Duplicate point",l),k[l]=f;f=0;for(g=c.length;f<g;f++)for(h=c[f],d=0;3>d;d++)l=h[d].x+":"+h[d].y,l=k[l],void 0!==l&&(h[d]=l);f=0;for(g=e.length;f<g;f++)for(h=e[f],d=0;3>d;d++)l=h[d].x+":"+h[d].y,l=k[l],void 0!==l&&(h[d]=l);return c.concat(e)},
+isClockWise:function(a){return 0>THREE.FontUtils.Triangulate.area(a)},b2p0:function(a,b){var c=1-a;return c*c*b},b2p1:function(a,b){return 2*(1-a)*a*b},b2p2:function(a,b){return a*a*b},b2:function(a,b,c,d){return this.b2p0(a,b)+this.b2p1(a,c)+this.b2p2(a,d)},b3p0:function(a,b){var c=1-a;return c*c*c*b},b3p1:function(a,b){var c=1-a;return 3*c*c*a*b},b3p2:function(a,b){return 3*(1-a)*a*a*b},b3p3:function(a,b){return a*a*a*b},b3:function(a,b,c,d,e){return this.b3p0(a,b)+this.b3p1(a,c)+this.b3p2(a,d)+
+this.b3p3(a,e)}};
+THREE.AnimationHandler=function(){var a=[],b={},c={update:function(b){for(var c=0;c<a.length;c++)a[c].update(b)},addToUpdate:function(b){-1===a.indexOf(b)&&a.push(b)},removeFromUpdate:function(b){b=a.indexOf(b);-1!==b&&a.splice(b,1)},add:function(a){void 0!==b[a.name]&&console.log("THREE.AnimationHandler.add: Warning! "+a.name+" already exists in library. Overwriting.");b[a.name]=a;if(!0!==a.initialized){for(var c=0;c<a.hierarchy.length;c++){for(var d=0;d<a.hierarchy[c].keys.length;d++)if(0>a.hierarchy[c].keys[d].time&&
+(a.hierarchy[c].keys[d].time=0),void 0!==a.hierarchy[c].keys[d].rot&&!(a.hierarchy[c].keys[d].rot instanceof THREE.Quaternion)){var h=a.hierarchy[c].keys[d].rot;a.hierarchy[c].keys[d].rot=new THREE.Quaternion(h[0],h[1],h[2],h[3])}if(a.hierarchy[c].keys.length&&void 0!==a.hierarchy[c].keys[0].morphTargets){h={};for(d=0;d<a.hierarchy[c].keys.length;d++)for(var l=0;l<a.hierarchy[c].keys[d].morphTargets.length;l++){var k=a.hierarchy[c].keys[d].morphTargets[l];h[k]=-1}a.hierarchy[c].usedMorphTargets=h;
+for(d=0;d<a.hierarchy[c].keys.length;d++){var q={};for(k in h){for(l=0;l<a.hierarchy[c].keys[d].morphTargets.length;l++)if(a.hierarchy[c].keys[d].morphTargets[l]===k){q[k]=a.hierarchy[c].keys[d].morphTargetsInfluences[l];break}l===a.hierarchy[c].keys[d].morphTargets.length&&(q[k]=0)}a.hierarchy[c].keys[d].morphTargetsInfluences=q}}for(d=1;d<a.hierarchy[c].keys.length;d++)a.hierarchy[c].keys[d].time===a.hierarchy[c].keys[d-1].time&&(a.hierarchy[c].keys.splice(d,1),d--);for(d=0;d<a.hierarchy[c].keys.length;d++)a.hierarchy[c].keys[d].index=
+d}d=parseInt(a.length*a.fps,10);a.JIT={};a.JIT.hierarchy=[];for(c=0;c<a.hierarchy.length;c++)a.JIT.hierarchy.push(Array(d));a.initialized=!0}},get:function(a){if("string"===typeof a){if(b[a])return b[a];console.log("THREE.AnimationHandler.get: Couldn't find animation "+a);return null}},parse:function(a){var b=[];if(a instanceof THREE.SkinnedMesh)for(var c=0;c<a.bones.length;c++)b.push(a.bones[c]);else d(a,b);return b}},d=function(a,b){b.push(a);for(var c=0;c<a.children.length;c++)d(a.children[c],
+b)};c.LINEAR=0;c.CATMULLROM=1;c.CATMULLROM_FORWARD=2;return c}();THREE.Animation=function(a,b,c){this.root=a;this.data=THREE.AnimationHandler.get(b);this.hierarchy=THREE.AnimationHandler.parse(a);this.currentTime=0;this.timeScale=1;this.isPlaying=!1;this.loop=this.isPaused=!0;this.interpolationType=void 0!==c?c:THREE.AnimationHandler.LINEAR;this.points=[];this.target=new THREE.Vector3};
+THREE.Animation.prototype.play=function(a,b){if(!1===this.isPlaying){this.isPlaying=!0;this.loop=void 0!==a?a:!0;this.currentTime=void 0!==b?b:0;var c,d=this.hierarchy.length,e;for(c=0;c<d;c++){e=this.hierarchy[c];this.interpolationType!==THREE.AnimationHandler.CATMULLROM_FORWARD&&(e.useQuaternion=!0);e.matrixAutoUpdate=!0;void 0===e.animationCache&&(e.animationCache={},e.animationCache.prevKey={pos:0,rot:0,scl:0},e.animationCache.nextKey={pos:0,rot:0,scl:0},e.animationCache.originalMatrix=e instanceof
+THREE.Bone?e.skinMatrix:e.matrix);var f=e.animationCache.prevKey;e=e.animationCache.nextKey;f.pos=this.data.hierarchy[c].keys[0];f.rot=this.data.hierarchy[c].keys[0];f.scl=this.data.hierarchy[c].keys[0];e.pos=this.getNextKeyWith("pos",c,1);e.rot=this.getNextKeyWith("rot",c,1);e.scl=this.getNextKeyWith("scl",c,1)}this.update(0)}this.isPaused=!1;THREE.AnimationHandler.addToUpdate(this)};
+THREE.Animation.prototype.pause=function(){!0===this.isPaused?THREE.AnimationHandler.addToUpdate(this):THREE.AnimationHandler.removeFromUpdate(this);this.isPaused=!this.isPaused};THREE.Animation.prototype.stop=function(){this.isPaused=this.isPlaying=!1;THREE.AnimationHandler.removeFromUpdate(this)};
+THREE.Animation.prototype.update=function(a){if(!1!==this.isPlaying){var b=["pos","rot","scl"],c,d,e,f,g,h,l,k,q;q=this.currentTime+=a*this.timeScale;k=this.currentTime%=this.data.length;parseInt(Math.min(k*this.data.fps,this.data.length*this.data.fps),10);for(var s=0,t=this.hierarchy.length;s<t;s++){a=this.hierarchy[s];l=a.animationCache;for(var v=0;3>v;v++){c=b[v];g=l.prevKey[c];h=l.nextKey[c];if(h.time<=q){if(k<q)if(this.loop)for(g=this.data.hierarchy[s].keys[0],h=this.getNextKeyWith(c,s,1);h.time<
+k;)g=h,h=this.getNextKeyWith(c,s,h.index+1);else{this.stop();return}else{do g=h,h=this.getNextKeyWith(c,s,h.index+1);while(h.time<k)}l.prevKey[c]=g;l.nextKey[c]=h}a.matrixAutoUpdate=!0;a.matrixWorldNeedsUpdate=!0;d=(k-g.time)/(h.time-g.time);e=g[c];f=h[c];if(0>d||1<d)console.log("THREE.Animation.update: Warning! Scale out of bounds:"+d+" on bone "+s),d=0>d?0:1;if("pos"===c)if(c=a.position,this.interpolationType===THREE.AnimationHandler.LINEAR)c.x=e[0]+(f[0]-e[0])*d,c.y=e[1]+(f[1]-e[1])*d,c.z=e[2]+
+(f[2]-e[2])*d;else{if(this.interpolationType===THREE.AnimationHandler.CATMULLROM||this.interpolationType===THREE.AnimationHandler.CATMULLROM_FORWARD)this.points[0]=this.getPrevKeyWith("pos",s,g.index-1).pos,this.points[1]=e,this.points[2]=f,this.points[3]=this.getNextKeyWith("pos",s,h.index+1).pos,d=0.33*d+0.33,e=this.interpolateCatmullRom(this.points,d),c.x=e[0],c.y=e[1],c.z=e[2],this.interpolationType===THREE.AnimationHandler.CATMULLROM_FORWARD&&(d=this.interpolateCatmullRom(this.points,1.01*d),
+this.target.set(d[0],d[1],d[2]),this.target.subSelf(c),this.target.y=0,this.target.normalize(),d=Math.atan2(this.target.x,this.target.z),a.rotation.set(0,d,0))}else"rot"===c?THREE.Quaternion.slerp(e,f,a.quaternion,d):"scl"===c&&(c=a.scale,c.x=e[0]+(f[0]-e[0])*d,c.y=e[1]+(f[1]-e[1])*d,c.z=e[2]+(f[2]-e[2])*d)}}}};
+THREE.Animation.prototype.interpolateCatmullRom=function(a,b){var c=[],d=[],e,f,g,h,l,k;e=(a.length-1)*b;f=Math.floor(e);e-=f;c[0]=0===f?f:f-1;c[1]=f;c[2]=f>a.length-2?f:f+1;c[3]=f>a.length-3?f:f+2;f=a[c[0]];h=a[c[1]];l=a[c[2]];k=a[c[3]];c=e*e;g=e*c;d[0]=this.interpolate(f[0],h[0],l[0],k[0],e,c,g);d[1]=this.interpolate(f[1],h[1],l[1],k[1],e,c,g);d[2]=this.interpolate(f[2],h[2],l[2],k[2],e,c,g);return d};
+THREE.Animation.prototype.interpolate=function(a,b,c,d,e,f,g){a=0.5*(c-a);d=0.5*(d-b);return(2*(b-c)+a+d)*g+(-3*(b-c)-2*a-d)*f+a*e+b};THREE.Animation.prototype.getNextKeyWith=function(a,b,c){var d=this.data.hierarchy[b].keys;for(c=this.interpolationType===THREE.AnimationHandler.CATMULLROM||this.interpolationType===THREE.AnimationHandler.CATMULLROM_FORWARD?c<d.length-1?c:d.length-1:c%d.length;c<d.length;c++)if(void 0!==d[c][a])return d[c];return this.data.hierarchy[b].keys[0]};
+THREE.Animation.prototype.getPrevKeyWith=function(a,b,c){var d=this.data.hierarchy[b].keys;for(c=this.interpolationType===THREE.AnimationHandler.CATMULLROM||this.interpolationType===THREE.AnimationHandler.CATMULLROM_FORWARD?0<c?c:0:0<=c?c:c+d.length;0<=c;c--)if(void 0!==d[c][a])return d[c];return this.data.hierarchy[b].keys[d.length-1]};
+THREE.KeyFrameAnimation=function(a,b,c){this.root=a;this.data=THREE.AnimationHandler.get(b);this.hierarchy=THREE.AnimationHandler.parse(a);this.currentTime=0;this.timeScale=0.001;this.isPlaying=!1;this.loop=this.isPaused=!0;this.JITCompile=void 0!==c?c:!0;a=0;for(b=this.hierarchy.length;a<b;a++){c=this.data.hierarchy[a].sids;var d=this.hierarchy[a];if(this.data.hierarchy[a].keys.length&&c){for(var e=0;e<c.length;e++){var f=c[e],g=this.getNextKeyWith(f,a,0);g&&g.apply(f)}d.matrixAutoUpdate=!1;this.data.hierarchy[a].node.updateMatrix();
+d.matrixWorldNeedsUpdate=!0}}};
+THREE.KeyFrameAnimation.prototype.play=function(a,b){if(!this.isPlaying){this.isPlaying=!0;this.loop=void 0!==a?a:!0;this.currentTime=void 0!==b?b:0;this.startTimeMs=b;this.startTime=1E7;this.endTime=-this.startTime;var c,d=this.hierarchy.length,e,f;for(c=0;c<d;c++)e=this.hierarchy[c],f=this.data.hierarchy[c],e.useQuaternion=!0,void 0===f.animationCache&&(f.animationCache={},f.animationCache.prevKey=null,f.animationCache.nextKey=null,f.animationCache.originalMatrix=e instanceof THREE.Bone?e.skinMatrix:
+e.matrix),e=this.data.hierarchy[c].keys,e.length&&(f.animationCache.prevKey=e[0],f.animationCache.nextKey=e[1],this.startTime=Math.min(e[0].time,this.startTime),this.endTime=Math.max(e[e.length-1].time,this.endTime));this.update(0)}this.isPaused=!1;THREE.AnimationHandler.addToUpdate(this)};THREE.KeyFrameAnimation.prototype.pause=function(){this.isPaused?THREE.AnimationHandler.addToUpdate(this):THREE.AnimationHandler.removeFromUpdate(this);this.isPaused=!this.isPaused};
+THREE.KeyFrameAnimation.prototype.stop=function(){this.isPaused=this.isPlaying=!1;THREE.AnimationHandler.removeFromUpdate(this);for(var a=0;a<this.data.hierarchy.length;a++){var b=this.hierarchy[a],c=this.data.hierarchy[a];if(void 0!==c.animationCache){var d=c.animationCache.originalMatrix;b instanceof THREE.Bone?(d.copy(b.skinMatrix),b.skinMatrix=d):(d.copy(b.matrix),b.matrix=d);delete c.animationCache}}};
+THREE.KeyFrameAnimation.prototype.update=function(a){if(this.isPlaying){var b,c,d,e,f=this.data.JIT.hierarchy,g,h,l;h=this.currentTime+=a*this.timeScale;g=this.currentTime%=this.data.length;g<this.startTimeMs&&(g=this.currentTime=this.startTimeMs+g);e=parseInt(Math.min(g*this.data.fps,this.data.length*this.data.fps),10);if((l=g<h)&&!this.loop){a=0;for(var k=this.hierarchy.length;a<k;a++){var q=this.data.hierarchy[a].keys,f=this.data.hierarchy[a].sids;d=q.length-1;e=this.hierarchy[a];if(q.length){for(q=
+0;q<f.length;q++)g=f[q],(h=this.getPrevKeyWith(g,a,d))&&h.apply(g);this.data.hierarchy[a].node.updateMatrix();e.matrixWorldNeedsUpdate=!0}}this.stop()}else if(!(g<this.startTime)){a=0;for(k=this.hierarchy.length;a<k;a++){d=this.hierarchy[a];b=this.data.hierarchy[a];var q=b.keys,s=b.animationCache;if(this.JITCompile&&void 0!==f[a][e])d instanceof THREE.Bone?(d.skinMatrix=f[a][e],d.matrixWorldNeedsUpdate=!1):(d.matrix=f[a][e],d.matrixWorldNeedsUpdate=!0);else if(q.length){this.JITCompile&&s&&(d instanceof
+THREE.Bone?d.skinMatrix=s.originalMatrix:d.matrix=s.originalMatrix);b=s.prevKey;c=s.nextKey;if(b&&c){if(c.time<=h){if(l&&this.loop)for(b=q[0],c=q[1];c.time<g;)b=c,c=q[b.index+1];else if(!l)for(var t=q.length-1;c.time<g&&c.index!==t;)b=c,c=q[b.index+1];s.prevKey=b;s.nextKey=c}c.time>=g?b.interpolate(c,g):b.interpolate(c,c.time)}this.data.hierarchy[a].node.updateMatrix();d.matrixWorldNeedsUpdate=!0}}if(this.JITCompile&&void 0===f[0][e])for(this.hierarchy[0].updateMatrixWorld(!0),a=0;a<this.hierarchy.length;a++)f[a][e]=
+this.hierarchy[a]instanceof THREE.Bone?this.hierarchy[a].skinMatrix.clone():this.hierarchy[a].matrix.clone()}}};THREE.KeyFrameAnimation.prototype.getNextKeyWith=function(a,b,c){b=this.data.hierarchy[b].keys;for(c%=b.length;c<b.length;c++)if(b[c].hasTarget(a))return b[c];return b[0]};THREE.KeyFrameAnimation.prototype.getPrevKeyWith=function(a,b,c){b=this.data.hierarchy[b].keys;for(c=0<=c?c:c+b.length;0<=c;c--)if(b[c].hasTarget(a))return b[c];return b[b.length-1]};
+THREE.CubeCamera=function(a,b,c){THREE.Object3D.call(this);var d=new THREE.PerspectiveCamera(90,1,a,b);d.up.set(0,-1,0);d.lookAt(new THREE.Vector3(1,0,0));this.add(d);var e=new THREE.PerspectiveCamera(90,1,a,b);e.up.set(0,-1,0);e.lookAt(new THREE.Vector3(-1,0,0));this.add(e);var f=new THREE.PerspectiveCamera(90,1,a,b);f.up.set(0,0,1);f.lookAt(new THREE.Vector3(0,1,0));this.add(f);var g=new THREE.PerspectiveCamera(90,1,a,b);g.up.set(0,0,-1);g.lookAt(new THREE.Vector3(0,-1,0));this.add(g);var h=new THREE.PerspectiveCamera(90,
+1,a,b);h.up.set(0,-1,0);h.lookAt(new THREE.Vector3(0,0,1));this.add(h);var l=new THREE.PerspectiveCamera(90,1,a,b);l.up.set(0,-1,0);l.lookAt(new THREE.Vector3(0,0,-1));this.add(l);this.renderTarget=new THREE.WebGLRenderTargetCube(c,c,{format:THREE.RGBFormat,magFilter:THREE.LinearFilter,minFilter:THREE.LinearFilter});this.updateCubeMap=function(a,b){var c=this.renderTarget,t=c.generateMipmaps;c.generateMipmaps=!1;c.activeCubeFace=0;a.render(b,d,c);c.activeCubeFace=1;a.render(b,e,c);c.activeCubeFace=
+2;a.render(b,f,c);c.activeCubeFace=3;a.render(b,g,c);c.activeCubeFace=4;a.render(b,h,c);c.generateMipmaps=t;c.activeCubeFace=5;a.render(b,l,c)}};THREE.CubeCamera.prototype=Object.create(THREE.Object3D.prototype);THREE.CombinedCamera=function(a,b,c,d,e,f,g){THREE.Camera.call(this);this.fov=c;this.left=-a/2;this.right=a/2;this.top=b/2;this.bottom=-b/2;this.cameraO=new THREE.OrthographicCamera(a/-2,a/2,b/2,b/-2,f,g);this.cameraP=new THREE.PerspectiveCamera(c,a/b,d,e);this.zoom=1;this.toPerspective()};
+THREE.CombinedCamera.prototype=Object.create(THREE.Camera.prototype);THREE.CombinedCamera.prototype.toPerspective=function(){this.near=this.cameraP.near;this.far=this.cameraP.far;this.cameraP.fov=this.fov/this.zoom;this.cameraP.updateProjectionMatrix();this.projectionMatrix=this.cameraP.projectionMatrix;this.inPerspectiveMode=!0;this.inOrthographicMode=!1};
+THREE.CombinedCamera.prototype.toOrthographic=function(){var a=this.cameraP.aspect,b=(this.cameraP.near+this.cameraP.far)/2,b=Math.tan(this.fov/2)*b,a=2*b*a/2,b=b/this.zoom,a=a/this.zoom;this.cameraO.left=-a;this.cameraO.right=a;this.cameraO.top=b;this.cameraO.bottom=-b;this.cameraO.updateProjectionMatrix();this.near=this.cameraO.near;this.far=this.cameraO.far;this.projectionMatrix=this.cameraO.projectionMatrix;this.inPerspectiveMode=!1;this.inOrthographicMode=!0};
+THREE.CombinedCamera.prototype.setSize=function(a,b){this.cameraP.aspect=a/b;this.left=-a/2;this.right=a/2;this.top=b/2;this.bottom=-b/2};THREE.CombinedCamera.prototype.setFov=function(a){this.fov=a;this.inPerspectiveMode?this.toPerspective():this.toOrthographic()};THREE.CombinedCamera.prototype.updateProjectionMatrix=function(){this.inPerspectiveMode?this.toPerspective():(this.toPerspective(),this.toOrthographic())};
+THREE.CombinedCamera.prototype.setLens=function(a,b){void 0===b&&(b=24);var c=2*Math.atan(b/(2*a))*(180/Math.PI);this.setFov(c);return c};THREE.CombinedCamera.prototype.setZoom=function(a){this.zoom=a;this.inPerspectiveMode?this.toPerspective():this.toOrthographic()};THREE.CombinedCamera.prototype.toFrontView=function(){this.rotation.x=0;this.rotation.y=0;this.rotation.z=0;this.rotationAutoUpdate=!1};
+THREE.CombinedCamera.prototype.toBackView=function(){this.rotation.x=0;this.rotation.y=Math.PI;this.rotation.z=0;this.rotationAutoUpdate=!1};THREE.CombinedCamera.prototype.toLeftView=function(){this.rotation.x=0;this.rotation.y=-Math.PI/2;this.rotation.z=0;this.rotationAutoUpdate=!1};THREE.CombinedCamera.prototype.toRightView=function(){this.rotation.x=0;this.rotation.y=Math.PI/2;this.rotation.z=0;this.rotationAutoUpdate=!1};
+THREE.CombinedCamera.prototype.toTopView=function(){this.rotation.x=-Math.PI/2;this.rotation.y=0;this.rotation.z=0;this.rotationAutoUpdate=!1};THREE.CombinedCamera.prototype.toBottomView=function(){this.rotation.x=Math.PI/2;this.rotation.y=0;this.rotation.z=0;this.rotationAutoUpdate=!1};
+THREE.AsteriskGeometry=function(a,b){THREE.Geometry.call(this);for(var c=0.707*a,d=0.707*b,c=[[a,0,0],[b,0,0],[-a,0,0],[-b,0,0],[0,a,0],[0,b,0],[0,-a,0],[0,-b,0],[0,0,a],[0,0,b],[0,0,-a],[0,0,-b],[c,c,0],[d,d,0],[-c,-c,0],[-d,-d,0],[c,-c,0],[d,-d,0],[-c,c,0],[-d,d,0],[c,0,c],[d,0,d],[-c,0,-c],[-d,0,-d],[c,0,-c],[d,0,-d],[-c,0,c],[-d,0,d],[0,c,c],[0,d,d],[0,-c,-c],[0,-d,-d],[0,c,-c],[0,d,-d],[0,-c,c],[0,-d,d]],d=0,e=c.length;d<e;d++)this.vertices.push(new THREE.Vector3(c[d][0],c[d][1],c[d][2]))};
+THREE.AsteriskGeometry.prototype=Object.create(THREE.Geometry.prototype);
+THREE.CircleGeometry=function(a,b,c,d){THREE.Geometry.call(this);a=a||50;c=void 0!==c?c:0;d=void 0!==d?d:2*Math.PI;b=void 0!==b?Math.max(3,b):8;var e,f=[];e=new THREE.Vector3;var g=new THREE.UV(0.5,0.5);this.vertices.push(e);f.push(g);for(e=0;e<=b;e++){var h=new THREE.Vector3;h.x=a*Math.cos(c+e/b*d);h.y=a*Math.sin(c+e/b*d);this.vertices.push(h);f.push(new THREE.UV((h.x/a+1)/2,-(h.y/a+1)/2+1))}c=new THREE.Vector3(0,0,-1);for(e=1;e<=b;e++)this.faces.push(new THREE.Face3(e,e+1,0,[c,c,c])),this.faceVertexUvs[0].push([f[e],
+f[e+1],g]);this.computeCentroids();this.computeFaceNormals();this.boundingSphere={radius:a}};THREE.CircleGeometry.prototype=Object.create(THREE.Geometry.prototype);
+THREE.CubeGeometry=function(a,b,c,d,e,f){function g(a,b,c,d,e,f,g,w){var x,y=h.widthSegments,A=h.heightSegments,C=e/2,B=f/2,z=h.vertices.length;if("x"===a&&"y"===b||"y"===a&&"x"===b)x="z";else if("x"===a&&"z"===b||"z"===a&&"x"===b)x="y",A=h.depthSegments;else if("z"===a&&"y"===b||"y"===a&&"z"===b)x="x",y=h.depthSegments;var D=y+1,I=A+1,J=e/y,F=f/A,K=new THREE.Vector3;K[x]=0<g?1:-1;for(e=0;e<I;e++)for(f=0;f<D;f++){var L=new THREE.Vector3;L[a]=(f*J-C)*c;L[b]=(e*F-B)*d;L[x]=g;h.vertices.push(L)}for(e=
+0;e<A;e++)for(f=0;f<y;f++)a=new THREE.Face4(f+D*e+z,f+D*(e+1)+z,f+1+D*(e+1)+z,f+1+D*e+z),a.normal.copy(K),a.vertexNormals.push(K.clone(),K.clone(),K.clone(),K.clone()),a.materialIndex=w,h.faces.push(a),h.faceVertexUvs[0].push([new THREE.UV(f/y,1-e/A),new THREE.UV(f/y,1-(e+1)/A),new THREE.UV((f+1)/y,1-(e+1)/A),new THREE.UV((f+1)/y,1-e/A)])}THREE.Geometry.call(this);var h=this;this.width=a;this.height=b;this.depth=c;this.widthSegments=d||1;this.heightSegments=e||1;this.depthSegments=f||1;a=this.width/
+2;b=this.height/2;c=this.depth/2;g("z","y",-1,-1,this.depth,this.height,a,0);g("z","y",1,-1,this.depth,this.height,-a,1);g("x","z",1,1,this.width,this.depth,b,2);g("x","z",1,-1,this.width,this.depth,-b,3);g("x","y",1,-1,this.width,this.height,c,4);g("x","y",-1,-1,this.width,this.height,-c,5);this.computeCentroids();this.mergeVertices()};THREE.CubeGeometry.prototype=Object.create(THREE.Geometry.prototype);
+THREE.CylinderGeometry=function(a,b,c,d,e,f){THREE.Geometry.call(this);a=void 0!==a?a:20;b=void 0!==b?b:20;c=void 0!==c?c:100;var g=c/2;d=d||8;e=e||1;var h,l,k=[],q=[];for(l=0;l<=e;l++){var s=[],t=[],v=l/e,u=v*(b-a)+a;for(h=0;h<=d;h++){var w=h/d,x=new THREE.Vector3;x.x=u*Math.sin(w*Math.PI*2);x.y=-v*c+g;x.z=u*Math.cos(w*Math.PI*2);this.vertices.push(x);s.push(this.vertices.length-1);t.push(new THREE.UV(w,1-v))}k.push(s);q.push(t)}c=(b-a)/c;for(h=0;h<d;h++)for(0!==a?(s=this.vertices[k[0][h]].clone(),
+t=this.vertices[k[0][h+1]].clone()):(s=this.vertices[k[1][h]].clone(),t=this.vertices[k[1][h+1]].clone()),s.setY(Math.sqrt(s.x*s.x+s.z*s.z)*c).normalize(),t.setY(Math.sqrt(t.x*t.x+t.z*t.z)*c).normalize(),l=0;l<e;l++){var v=k[l][h],u=k[l+1][h],w=k[l+1][h+1],x=k[l][h+1],y=s.clone(),A=s.clone(),C=t.clone(),B=t.clone(),z=q[l][h].clone(),D=q[l+1][h].clone(),I=q[l+1][h+1].clone(),J=q[l][h+1].clone();this.faces.push(new THREE.Face4(v,u,w,x,[y,A,C,B]));this.faceVertexUvs[0].push([z,D,I,J])}if(!f&&0<a)for(this.vertices.push(new THREE.Vector3(0,
+g,0)),h=0;h<d;h++)v=k[0][h],u=k[0][h+1],w=this.vertices.length-1,y=new THREE.Vector3(0,1,0),A=new THREE.Vector3(0,1,0),C=new THREE.Vector3(0,1,0),z=q[0][h].clone(),D=q[0][h+1].clone(),I=new THREE.UV(D.u,0),this.faces.push(new THREE.Face3(v,u,w,[y,A,C])),this.faceVertexUvs[0].push([z,D,I]);if(!f&&0<b)for(this.vertices.push(new THREE.Vector3(0,-g,0)),h=0;h<d;h++)v=k[l][h+1],u=k[l][h],w=this.vertices.length-1,y=new THREE.Vector3(0,-1,0),A=new THREE.Vector3(0,-1,0),C=new THREE.Vector3(0,-1,0),z=q[l][h+
+1].clone(),D=q[l][h].clone(),I=new THREE.UV(D.u,1),this.faces.push(new THREE.Face3(v,u,w,[y,A,C])),this.faceVertexUvs[0].push([z,D,I]);this.computeCentroids();this.computeFaceNormals()};THREE.CylinderGeometry.prototype=Object.create(THREE.Geometry.prototype);THREE.ExtrudeGeometry=function(a,b){"undefined"!==typeof a&&(THREE.Geometry.call(this),a=a instanceof Array?a:[a],this.shapebb=a[a.length-1].getBoundingBox(),this.addShapeList(a,b),this.computeCentroids(),this.computeFaceNormals())};
+THREE.ExtrudeGeometry.prototype=Object.create(THREE.Geometry.prototype);THREE.ExtrudeGeometry.prototype.addShapeList=function(a,b){for(var c=a.length,d=0;d<c;d++)this.addShape(a[d],b)};
+THREE.ExtrudeGeometry.prototype.addShape=function(a,b){function c(a,b,c){b||console.log("die");return b.clone().multiplyScalar(c).addSelf(a)}function d(a,b,c){var d=THREE.ExtrudeGeometry.__v1,e=THREE.ExtrudeGeometry.__v2,f=THREE.ExtrudeGeometry.__v3,g=THREE.ExtrudeGeometry.__v4,h=THREE.ExtrudeGeometry.__v5,k=THREE.ExtrudeGeometry.__v6;d.set(a.x-b.x,a.y-b.y);e.set(a.x-c.x,a.y-c.y);d=d.normalize();e=e.normalize();f.set(-d.y,d.x);g.set(e.y,-e.x);h.copy(a).addSelf(f);k.copy(a).addSelf(g);if(h.equals(k))return g.clone();
+h.copy(b).addSelf(f);k.copy(c).addSelf(g);f=d.dot(g);g=k.subSelf(h).dot(g);0===f&&(console.log("Either infinite or no solutions!"),0===g?console.log("Its finite solutions."):console.log("Too bad, no solutions."));g/=f;return 0>g?(b=Math.atan2(b.y-a.y,b.x-a.x),a=Math.atan2(c.y-a.y,c.x-a.x),b>a&&(a+=2*Math.PI),c=(b+a)/2,a=-Math.cos(c),c=-Math.sin(c),new THREE.Vector2(a,c)):d.multiplyScalar(g).addSelf(h).subSelf(a).clone()}function e(c,d){var e,f;for(N=c.length;0<=--N;){e=N;f=N-1;0>f&&(f=c.length-1);
+for(var g=0,h=t+2*q,g=0;g<h;g++){var k=oa*g,l=oa*(g+1),m=d+e+k,k=d+f+k,s=d+f+l,l=d+e+l,u=c,v=g,w=h,x=e,z=f,m=m+L,k=k+L,s=s+L,l=l+L;K.faces.push(new THREE.Face4(m,k,s,l,null,null,y));m=A.generateSideWallUV(K,a,u,b,m,k,s,l,v,w,x,z);K.faceVertexUvs[0].push(m)}}}function f(a,b,c){K.vertices.push(new THREE.Vector3(a,b,c))}function g(c,d,e,f){c+=L;d+=L;e+=L;K.faces.push(new THREE.Face3(c,d,e,null,null,x));c=f?A.generateBottomUV(K,a,b,c,d,e):A.generateTopUV(K,a,b,c,d,e);K.faceVertexUvs[0].push(c)}var h=
+void 0!==b.amount?b.amount:100,l=void 0!==b.bevelThickness?b.bevelThickness:6,k=void 0!==b.bevelSize?b.bevelSize:l-2,q=void 0!==b.bevelSegments?b.bevelSegments:3,s=void 0!==b.bevelEnabled?b.bevelEnabled:!0,t=void 0!==b.steps?b.steps:1,v=b.extrudePath,u,w=!1,x=b.material,y=b.extrudeMaterial,A=void 0!==b.UVGenerator?b.UVGenerator:THREE.ExtrudeGeometry.WorldUVGenerator,C,B,z,D;v&&(u=v.getSpacedPoints(t),w=!0,s=!1,C=void 0!==b.frames?b.frames:new THREE.TubeGeometry.FrenetFrames(v,t,!1),B=new THREE.Vector3,
+z=new THREE.Vector3,D=new THREE.Vector3);s||(k=l=q=0);var I,J,F,K=this,L=this.vertices.length,H=a.extractPoints(),v=H.shape,T=H.holes;if(H=!THREE.Shape.Utils.isClockWise(v)){v=v.reverse();J=0;for(F=T.length;J<F;J++)I=T[J],THREE.Shape.Utils.isClockWise(I)&&(T[J]=I.reverse());H=!1}var R=THREE.Shape.Utils.triangulateShape(v,T),m=v;J=0;for(F=T.length;J<F;J++)I=T[J],v=v.concat(I);var O,W,P,ha,ca,oa=v.length,S,Da=R.length,H=[],N=0;P=m.length;O=P-1;for(W=N+1;N<P;N++,O++,W++)O===P&&(O=0),W===P&&(W=0),H[N]=
+d(m[N],m[O],m[W]);var da=[],Q,U=H.concat();J=0;for(F=T.length;J<F;J++){I=T[J];Q=[];N=0;P=I.length;O=P-1;for(W=N+1;N<P;N++,O++,W++)O===P&&(O=0),W===P&&(W=0),Q[N]=d(I[N],I[O],I[W]);da.push(Q);U=U.concat(Q)}for(O=0;O<q;O++){P=O/q;ha=l*(1-P);W=k*Math.sin(P*Math.PI/2);N=0;for(P=m.length;N<P;N++)ca=c(m[N],H[N],W),f(ca.x,ca.y,-ha);J=0;for(F=T.length;J<F;J++)for(I=T[J],Q=da[J],N=0,P=I.length;N<P;N++)ca=c(I[N],Q[N],W),f(ca.x,ca.y,-ha)}W=k;for(N=0;N<oa;N++)ca=s?c(v[N],U[N],W):v[N],w?(z.copy(C.normals[0]).multiplyScalar(ca.x),
+B.copy(C.binormals[0]).multiplyScalar(ca.y),D.copy(u[0]).addSelf(z).addSelf(B),f(D.x,D.y,D.z)):f(ca.x,ca.y,0);for(P=1;P<=t;P++)for(N=0;N<oa;N++)ca=s?c(v[N],U[N],W):v[N],w?(z.copy(C.normals[P]).multiplyScalar(ca.x),B.copy(C.binormals[P]).multiplyScalar(ca.y),D.copy(u[P]).addSelf(z).addSelf(B),f(D.x,D.y,D.z)):f(ca.x,ca.y,h/t*P);for(O=q-1;0<=O;O--){P=O/q;ha=l*(1-P);W=k*Math.sin(P*Math.PI/2);N=0;for(P=m.length;N<P;N++)ca=c(m[N],H[N],W),f(ca.x,ca.y,h+ha);J=0;for(F=T.length;J<F;J++)for(I=T[J],Q=da[J],N=
+0,P=I.length;N<P;N++)ca=c(I[N],Q[N],W),w?f(ca.x,ca.y+u[t-1].y,u[t-1].x+ha):f(ca.x,ca.y,h+ha)}(function(){if(s){var a;a=0*oa;for(N=0;N<Da;N++)S=R[N],g(S[2]+a,S[1]+a,S[0]+a,!0);a=t+2*q;a*=oa;for(N=0;N<Da;N++)S=R[N],g(S[0]+a,S[1]+a,S[2]+a,!1)}else{for(N=0;N<Da;N++)S=R[N],g(S[2],S[1],S[0],!0);for(N=0;N<Da;N++)S=R[N],g(S[0]+oa*t,S[1]+oa*t,S[2]+oa*t,!1)}})();(function(){var a=0;e(m,a);a+=m.length;J=0;for(F=T.length;J<F;J++)I=T[J],e(I,a),a+=I.length})()};
+THREE.ExtrudeGeometry.WorldUVGenerator={generateTopUV:function(a,b,c,d,e,f){b=a.vertices[e].x;e=a.vertices[e].y;c=a.vertices[f].x;f=a.vertices[f].y;return[new THREE.UV(a.vertices[d].x,a.vertices[d].y),new THREE.UV(b,e),new THREE.UV(c,f)]},generateBottomUV:function(a,b,c,d,e,f){return this.generateTopUV(a,b,c,d,e,f)},generateSideWallUV:function(a,b,c,d,e,f,g,h,l,k,q,s){b=a.vertices[e].x;c=a.vertices[e].y;e=a.vertices[e].z;d=a.vertices[f].x;l=a.vertices[f].y;f=a.vertices[f].z;k=a.vertices[g].x;q=a.vertices[g].y;
+g=a.vertices[g].z;s=a.vertices[h].x;var t=a.vertices[h].y;a=a.vertices[h].z;return 0.01>Math.abs(c-l)?[new THREE.UV(b,1-e),new THREE.UV(d,1-f),new THREE.UV(k,1-g),new THREE.UV(s,1-a)]:[new THREE.UV(c,1-e),new THREE.UV(l,1-f),new THREE.UV(q,1-g),new THREE.UV(t,1-a)]}};THREE.ExtrudeGeometry.__v1=new THREE.Vector2;THREE.ExtrudeGeometry.__v2=new THREE.Vector2;THREE.ExtrudeGeometry.__v3=new THREE.Vector2;THREE.ExtrudeGeometry.__v4=new THREE.Vector2;THREE.ExtrudeGeometry.__v5=new THREE.Vector2;
+THREE.ExtrudeGeometry.__v6=new THREE.Vector2;THREE.ShapeGeometry=function(a,b){THREE.Geometry.call(this);!1===a instanceof Array&&(a=[a]);this.shapebb=a[a.length-1].getBoundingBox();this.addShapeList(a,b);this.computeCentroids();this.computeFaceNormals()};THREE.ShapeGeometry.prototype=Object.create(THREE.Geometry.prototype);THREE.ShapeGeometry.prototype.addShapeList=function(a,b){for(var c=0,d=a.length;c<d;c++)this.addShape(a[c],b);return this};
+THREE.ShapeGeometry.prototype.addShape=function(a,b){void 0===b&&(b={});var c=b.material,d=void 0===b.UVGenerator?THREE.ExtrudeGeometry.WorldUVGenerator:b.UVGenerator,e,f,g,h=this.vertices.length;e=a.extractPoints();var l=e.shape,k=e.holes;if(!THREE.Shape.Utils.isClockWise(l))for(l=l.reverse(),e=0,f=k.length;e<f;e++)g=k[e],THREE.Shape.Utils.isClockWise(g)&&(k[e]=g.reverse());var q=THREE.Shape.Utils.triangulateShape(l,k);e=0;for(f=k.length;e<f;e++)g=k[e],l=l.concat(g);k=l.length;f=q.length;for(e=0;e<
+k;e++)g=l[e],this.vertices.push(new THREE.Vector3(g.x,g.y,0));for(e=0;e<f;e++)k=q[e],l=k[0]+h,g=k[1]+h,k=k[2]+h,this.faces.push(new THREE.Face3(l,g,k,null,null,c)),this.faceVertexUvs[0].push(d.generateBottomUV(this,a,b,l,g,k))};
+THREE.LatheGeometry=function(a,b,c){THREE.Geometry.call(this);b=b||12;c=c||2*Math.PI;for(var d=[],e=(new THREE.Matrix4).makeRotationZ(c/b),f=0;f<a.length;f++)d[f]=a[f].clone(),this.vertices.push(d[f]);var g=b+1;for(c=0;c<g;c++)for(f=0;f<d.length;f++)d[f]=e.multiplyVector3(d[f].clone()),this.vertices.push(d[f]);for(c=0;c<b;c++)for(d=0,e=a.length;d<e-1;d++)this.faces.push(new THREE.Face4(c*e+d,(c+1)%g*e+d,(c+1)%g*e+(d+1)%e,c*e+(d+1)%e)),this.faceVertexUvs[0].push([new THREE.UV(1-c/b,d/e),new THREE.UV(1-
+(c+1)/b,d/e),new THREE.UV(1-(c+1)/b,(d+1)/e),new THREE.UV(1-c/b,(d+1)/e)]);this.computeCentroids();this.computeFaceNormals();this.computeVertexNormals()};THREE.LatheGeometry.prototype=Object.create(THREE.Geometry.prototype);
+THREE.PlaneGeometry=function(a,b,c,d){THREE.Geometry.call(this);this.width=a;this.height=b;this.widthSegments=c||1;this.heightSegments=d||1;c=a/2;var e=b/2;d=this.widthSegments;var f=this.heightSegments,g=d+1,h=f+1,l=this.width/d,k=this.height/f,q=new THREE.Vector3(0,0,1);for(a=0;a<h;a++)for(b=0;b<g;b++)this.vertices.push(new THREE.Vector3(b*l-c,-(a*k-e),0));for(a=0;a<f;a++)for(b=0;b<d;b++)c=new THREE.Face4(b+g*a,b+g*(a+1),b+1+g*(a+1),b+1+g*a),c.normal.copy(q),c.vertexNormals.push(q.clone(),q.clone(),
+q.clone(),q.clone()),this.faces.push(c),this.faceVertexUvs[0].push([new THREE.UV(b/d,1-a/f),new THREE.UV(b/d,1-(a+1)/f),new THREE.UV((b+1)/d,1-(a+1)/f),new THREE.UV((b+1)/d,1-a/f)]);this.computeCentroids()};THREE.PlaneGeometry.prototype=Object.create(THREE.Geometry.prototype);
+THREE.SphereGeometry=function(a,b,c,d,e,f,g){THREE.Geometry.call(this);this.radius=a||50;this.widthSegments=Math.max(3,Math.floor(b)||8);this.heightSegments=Math.max(2,Math.floor(c)||6);d=void 0!==d?d:0;e=void 0!==e?e:2*Math.PI;f=void 0!==f?f:0;g=void 0!==g?g:Math.PI;c=[];var h=[];for(b=0;b<=this.heightSegments;b++){var l=[],k=[];for(a=0;a<=this.widthSegments;a++){var q=a/this.widthSegments,s=b/this.heightSegments,t=new THREE.Vector3;t.x=-this.radius*Math.cos(d+q*e)*Math.sin(f+s*g);t.y=this.radius*
+Math.cos(f+s*g);t.z=this.radius*Math.sin(d+q*e)*Math.sin(f+s*g);this.vertices.push(t);l.push(this.vertices.length-1);k.push(new THREE.UV(q,1-s))}c.push(l);h.push(k)}for(b=0;b<this.heightSegments;b++)for(a=0;a<this.widthSegments;a++){d=c[b][a+1];e=c[b][a];f=c[b+1][a];g=c[b+1][a+1];var l=this.vertices[d].clone().normalize(),k=this.vertices[e].clone().normalize(),q=this.vertices[f].clone().normalize(),s=this.vertices[g].clone().normalize(),t=h[b][a+1].clone(),v=h[b][a].clone(),u=h[b+1][a].clone(),w=
+h[b+1][a+1].clone();Math.abs(this.vertices[d].y)===this.radius?(this.faces.push(new THREE.Face3(d,f,g,[l,q,s])),this.faceVertexUvs[0].push([t,u,w])):Math.abs(this.vertices[f].y)===this.radius?(this.faces.push(new THREE.Face3(d,e,f,[l,k,q])),this.faceVertexUvs[0].push([t,v,u])):(this.faces.push(new THREE.Face4(d,e,f,g,[l,k,q,s])),this.faceVertexUvs[0].push([t,v,u,w]))}this.computeCentroids();this.computeFaceNormals();this.boundingSphere={radius:this.radius}};THREE.SphereGeometry.prototype=Object.create(THREE.Geometry.prototype);
+THREE.TextGeometry=function(a,b){var c=THREE.FontUtils.generateShapes(a,b);b.amount=void 0!==b.height?b.height:50;void 0===b.bevelThickness&&(b.bevelThickness=10);void 0===b.bevelSize&&(b.bevelSize=8);void 0===b.bevelEnabled&&(b.bevelEnabled=!1);THREE.ExtrudeGeometry.call(this,c,b)};THREE.TextGeometry.prototype=Object.create(THREE.ExtrudeGeometry.prototype);
+THREE.TorusGeometry=function(a,b,c,d,e){THREE.Geometry.call(this);this.radius=a||100;this.tube=b||40;this.radialSegments=c||8;this.tubularSegments=d||6;this.arc=e||2*Math.PI;e=new THREE.Vector3;a=[];b=[];for(c=0;c<=this.radialSegments;c++)for(d=0;d<=this.tubularSegments;d++){var f=d/this.tubularSegments*this.arc,g=c/this.radialSegments*Math.PI*2;e.x=this.radius*Math.cos(f);e.y=this.radius*Math.sin(f);var h=new THREE.Vector3;h.x=(this.radius+this.tube*Math.cos(g))*Math.cos(f);h.y=(this.radius+this.tube*
+Math.cos(g))*Math.sin(f);h.z=this.tube*Math.sin(g);this.vertices.push(h);a.push(new THREE.UV(d/this.tubularSegments,c/this.radialSegments));b.push(h.clone().subSelf(e).normalize())}for(c=1;c<=this.radialSegments;c++)for(d=1;d<=this.tubularSegments;d++){e=(this.tubularSegments+1)*c+d-1;var f=(this.tubularSegments+1)*(c-1)+d-1,g=(this.tubularSegments+1)*(c-1)+d,h=(this.tubularSegments+1)*c+d,l=new THREE.Face4(e,f,g,h,[b[e],b[f],b[g],b[h]]);l.normal.addSelf(b[e]);l.normal.addSelf(b[f]);l.normal.addSelf(b[g]);
+l.normal.addSelf(b[h]);l.normal.normalize();this.faces.push(l);this.faceVertexUvs[0].push([a[e].clone(),a[f].clone(),a[g].clone(),a[h].clone()])}this.computeCentroids()};THREE.TorusGeometry.prototype=Object.create(THREE.Geometry.prototype);
+THREE.TorusKnotGeometry=function(a,b,c,d,e,f,g){function h(a,b,c,d,e,f){var g=Math.cos(a);Math.cos(b);b=Math.sin(a);a*=c/d;c=Math.cos(a);g*=e*(2+c)*0.5;b=e*(2+c)*b*0.5;e=f*e*Math.sin(a)*0.5;return new THREE.Vector3(g,b,e)}THREE.Geometry.call(this);this.radius=a||200;this.tube=b||40;this.radialSegments=c||64;this.tubularSegments=d||8;this.p=e||2;this.q=f||3;this.heightScale=g||1;this.grid=Array(this.radialSegments);c=new THREE.Vector3;d=new THREE.Vector3;e=new THREE.Vector3;for(a=0;a<this.radialSegments;++a)for(this.grid[a]=
+Array(this.tubularSegments),b=0;b<this.tubularSegments;++b){var l=a/this.radialSegments*2*this.p*Math.PI;g=b/this.tubularSegments*2*Math.PI;f=h(l,g,this.q,this.p,this.radius,this.heightScale);l=h(l+0.01,g,this.q,this.p,this.radius,this.heightScale);c.sub(l,f);d.add(l,f);e.cross(c,d);d.cross(e,c);e.normalize();d.normalize();l=-this.tube*Math.cos(g);g=this.tube*Math.sin(g);f.x+=l*d.x+g*e.x;f.y+=l*d.y+g*e.y;f.z+=l*d.z+g*e.z;this.grid[a][b]=this.vertices.push(new THREE.Vector3(f.x,f.y,f.z))-1}for(a=0;a<
+this.radialSegments;++a)for(b=0;b<this.tubularSegments;++b){e=(a+1)%this.radialSegments;f=(b+1)%this.tubularSegments;c=this.grid[a][b];d=this.grid[e][b];e=this.grid[e][f];f=this.grid[a][f];g=new THREE.UV(a/this.radialSegments,b/this.tubularSegments);var l=new THREE.UV((a+1)/this.radialSegments,b/this.tubularSegments),k=new THREE.UV((a+1)/this.radialSegments,(b+1)/this.tubularSegments),q=new THREE.UV(a/this.radialSegments,(b+1)/this.tubularSegments);this.faces.push(new THREE.Face4(c,d,e,f));this.faceVertexUvs[0].push([g,
+l,k,q])}this.computeCentroids();this.computeFaceNormals();this.computeVertexNormals()};THREE.TorusKnotGeometry.prototype=Object.create(THREE.Geometry.prototype);
+THREE.TubeGeometry=function(a,b,c,d,e,f){THREE.Geometry.call(this);this.path=a;this.segments=b||64;this.radius=c||1;this.radiusSegments=d||8;this.closed=e||!1;f&&(this.debug=new THREE.Object3D);this.grid=[];var g,h;f=this.segments+1;var l,k,q,s=new THREE.Vector3,t,v,u;b=new THREE.TubeGeometry.FrenetFrames(a,b,e);t=b.tangents;v=b.normals;u=b.binormals;this.tangents=t;this.normals=v;this.binormals=u;for(b=0;b<f;b++)for(this.grid[b]=[],d=b/(f-1),q=a.getPointAt(d),d=t[b],g=v[b],h=u[b],this.debug&&(this.debug.add(new THREE.ArrowHelper(d,
+q,c,255)),this.debug.add(new THREE.ArrowHelper(g,q,c,16711680)),this.debug.add(new THREE.ArrowHelper(h,q,c,65280))),d=0;d<this.radiusSegments;d++)l=d/this.radiusSegments*2*Math.PI,k=-this.radius*Math.cos(l),l=this.radius*Math.sin(l),s.copy(q),s.x+=k*g.x+l*h.x,s.y+=k*g.y+l*h.y,s.z+=k*g.z+l*h.z,this.grid[b][d]=this.vertices.push(new THREE.Vector3(s.x,s.y,s.z))-1;for(b=0;b<this.segments;b++)for(d=0;d<this.radiusSegments;d++)f=e?(b+1)%this.segments:b+1,s=(d+1)%this.radiusSegments,a=this.grid[b][d],c=
+this.grid[f][d],f=this.grid[f][s],s=this.grid[b][s],t=new THREE.UV(b/this.segments,d/this.radiusSegments),v=new THREE.UV((b+1)/this.segments,d/this.radiusSegments),u=new THREE.UV((b+1)/this.segments,(d+1)/this.radiusSegments),g=new THREE.UV(b/this.segments,(d+1)/this.radiusSegments),this.faces.push(new THREE.Face4(a,c,f,s)),this.faceVertexUvs[0].push([t,v,u,g]);this.computeCentroids();this.computeFaceNormals();this.computeVertexNormals()};THREE.TubeGeometry.prototype=Object.create(THREE.Geometry.prototype);
+THREE.TubeGeometry.FrenetFrames=function(a,b,c){new THREE.Vector3;var d=new THREE.Vector3;new THREE.Vector3;var e=[],f=[],g=[],h=new THREE.Vector3,l=new THREE.Matrix4;b+=1;var k,q,s;this.tangents=e;this.normals=f;this.binormals=g;for(k=0;k<b;k++)q=k/(b-1),e[k]=a.getTangentAt(q),e[k].normalize();f[0]=new THREE.Vector3;g[0]=new THREE.Vector3;a=Number.MAX_VALUE;k=Math.abs(e[0].x);q=Math.abs(e[0].y);s=Math.abs(e[0].z);k<=a&&(a=k,d.set(1,0,0));q<=a&&(a=q,d.set(0,1,0));s<=a&&d.set(0,0,1);h.cross(e[0],d).normalize();
+f[0].cross(e[0],h);g[0].cross(e[0],f[0]);for(k=1;k<b;k++)f[k]=f[k-1].clone(),g[k]=g[k-1].clone(),h.cross(e[k-1],e[k]),1E-4<h.length()&&(h.normalize(),d=Math.acos(e[k-1].dot(e[k])),l.makeRotationAxis(h,d).multiplyVector3(f[k])),g[k].cross(e[k],f[k]);if(c)for(d=Math.acos(f[0].dot(f[b-1])),d/=b-1,0<e[0].dot(h.cross(f[0],f[b-1]))&&(d=-d),k=1;k<b;k++)l.makeRotationAxis(e[k],d*k).multiplyVector3(f[k]),g[k].cross(e[k],f[k])};
+THREE.PolyhedronGeometry=function(a,b,c,d){function e(a){var b=a.normalize().clone();b.index=l.vertices.push(b)-1;var c=Math.atan2(a.z,-a.x)/2/Math.PI+0.5;a=Math.atan2(-a.y,Math.sqrt(a.x*a.x+a.z*a.z))/Math.PI+0.5;b.uv=new THREE.UV(c,1-a);return b}function f(a,b,c,d){1>d?(d=new THREE.Face3(a.index,b.index,c.index,[a.clone(),b.clone(),c.clone()]),d.centroid.addSelf(a).addSelf(b).addSelf(c).divideScalar(3),d.normal=d.centroid.clone().normalize(),l.faces.push(d),d=d.centroid,d=Math.atan2(d.z,-d.x),l.faceVertexUvs[0].push([h(a.uv,
+a,d),h(b.uv,b,d),h(c.uv,c,d)])):(d-=1,f(a,g(a,b),g(a,c),d),f(g(a,b),b,g(b,c),d),f(g(a,c),g(b,c),c,d),f(g(a,b),g(b,c),g(a,c),d))}function g(a,b){s[a.index]||(s[a.index]=[]);s[b.index]||(s[b.index]=[]);var c=s[a.index][b.index];void 0===c&&(s[a.index][b.index]=s[b.index][a.index]=c=e((new THREE.Vector3).add(a,b).divideScalar(2)));return c}function h(a,b,c){0>c&&1===a.u&&(a=new THREE.UV(a.u-1,a.v));0===b.x&&0===b.z&&(a=new THREE.UV(c/2/Math.PI+0.5,a.v));return a}THREE.Geometry.call(this);c=c||1;d=d||
+0;for(var l=this,k=0,q=a.length;k<q;k++)e(new THREE.Vector3(a[k][0],a[k][1],a[k][2]));var s=[];a=this.vertices;k=0;for(q=b.length;k<q;k++)f(a[b[k][0]],a[b[k][1]],a[b[k][2]],d);this.mergeVertices();k=0;for(q=this.vertices.length;k<q;k++)this.vertices[k].multiplyScalar(c);this.computeCentroids();this.boundingSphere={radius:c}};THREE.PolyhedronGeometry.prototype=Object.create(THREE.Geometry.prototype);
+THREE.IcosahedronGeometry=function(a,b){var c=(1+Math.sqrt(5))/2;THREE.PolyhedronGeometry.call(this,[[-1,c,0],[1,c,0],[-1,-c,0],[1,-c,0],[0,-1,c],[0,1,c],[0,-1,-c],[0,1,-c],[c,0,-1],[c,0,1],[-c,0,-1],[-c,0,1]],[[0,11,5],[0,5,1],[0,1,7],[0,7,10],[0,10,11],[1,5,9],[5,11,4],[11,10,2],[10,7,6],[7,1,8],[3,9,4],[3,4,2],[3,2,6],[3,6,8],[3,8,9],[4,9,5],[2,4,11],[6,2,10],[8,6,7],[9,8,1]],a,b)};THREE.IcosahedronGeometry.prototype=Object.create(THREE.Geometry.prototype);
+THREE.OctahedronGeometry=function(a,b){THREE.PolyhedronGeometry.call(this,[[1,0,0],[-1,0,0],[0,1,0],[0,-1,0],[0,0,1],[0,0,-1]],[[0,2,4],[0,4,3],[0,3,5],[0,5,2],[1,2,5],[1,5,3],[1,3,4],[1,4,2]],a,b)};THREE.OctahedronGeometry.prototype=Object.create(THREE.Geometry.prototype);THREE.TetrahedronGeometry=function(a,b){THREE.PolyhedronGeometry.call(this,[[1,1,1],[-1,-1,1],[-1,1,-1],[1,-1,-1]],[[2,1,0],[0,3,2],[1,3,0],[2,3,1]],a,b)};THREE.TetrahedronGeometry.prototype=Object.create(THREE.Geometry.prototype);
+THREE.ParametricGeometry=function(a,b,c,d){THREE.Geometry.call(this);var e=this.vertices,f=this.faces,g=this.faceVertexUvs[0];d=void 0===d?!1:d;var h,l,k,q,s=b+1;for(h=0;h<=c;h++)for(q=h/c,l=0;l<=b;l++)k=l/b,k=a(k,q),e.push(k);var t,v,u,w;for(h=0;h<c;h++)for(l=0;l<b;l++)a=h*s+l,e=h*s+l+1,q=(h+1)*s+l,k=(h+1)*s+l+1,t=new THREE.UV(l/b,h/c),v=new THREE.UV((l+1)/b,h/c),u=new THREE.UV(l/b,(h+1)/c),w=new THREE.UV((l+1)/b,(h+1)/c),d?(f.push(new THREE.Face3(a,e,q)),f.push(new THREE.Face3(e,k,q)),g.push([t,
+v,u]),g.push([v,w,u])):(f.push(new THREE.Face4(a,e,k,q)),g.push([t,v,w,u]));this.computeCentroids();this.computeFaceNormals();this.computeVertexNormals()};THREE.ParametricGeometry.prototype=Object.create(THREE.Geometry.prototype);
+THREE.ConvexGeometry=function(a){function b(b){var c=a[b].clone(),e=c.length();c.x+=2E-6*e*(Math.random()-0.5);c.y+=2E-6*e*(Math.random()-0.5);c.z+=2E-6*e*(Math.random()-0.5);for(var e=[],f=0;f<d.length;){var g=d[f],h=c,l=a[g[0]],x;x=l;var y=a[g[1]],A=a[g[2]],C=new THREE.Vector3,B=new THREE.Vector3;C.sub(A,y);B.sub(x,y);C.crossSelf(B);C.normalize();x=C;l=x.dot(l);if(x.dot(h)>=l){for(h=0;3>h;h++){l=[g[h],g[(h+1)%3]];x=!0;for(y=0;y<e.length;y++)if(A=e[y],A[0]===l[1]&&A[1]===l[0]){e[y]=e[e.length-1];
+e.pop();x=!1;break}x&&e.push(l)}d[f]=d[d.length-1];d.pop()}else f++}for(y=0;y<e.length;y++)d.push([e[y][0],e[y][1],b])}function c(a){var b=a.length();return new THREE.UV(a.x/b,a.y/b)}THREE.Geometry.call(this);for(var d=[[0,1,2],[0,2,1]],e=3;e<a.length;e++)b(e);for(var f=0,g=Array(a.length),e=0;e<d.length;e++)for(var h=d[e],l=0;3>l;l++)void 0===g[h[l]]&&(g[h[l]]=f++,this.vertices.push(a[h[l]])),h[l]=g[h[l]];for(e=0;e<d.length;e++)this.faces.push(new THREE.Face3(d[e][0],d[e][1],d[e][2]));for(e=0;e<
+this.faces.length;e++)h=this.faces[e],this.faceVertexUvs[0].push([c(this.vertices[h.a]),c(this.vertices[h.b]),c(this.vertices[h.c])]);this.computeCentroids();this.computeFaceNormals();this.computeVertexNormals()};THREE.ConvexGeometry.prototype=Object.create(THREE.Geometry.prototype);
+THREE.AxisHelper=function(a){var b=new THREE.Geometry;b.vertices.push(new THREE.Vector3,new THREE.Vector3(a||1,0,0),new THREE.Vector3,new THREE.Vector3(0,a||1,0),new THREE.Vector3,new THREE.Vector3(0,0,a||1));b.colors.push(new THREE.Color(16711680),new THREE.Color(16755200),new THREE.Color(65280),new THREE.Color(11206400),new THREE.Color(255),new THREE.Color(43775));a=new THREE.LineBasicMaterial({vertexColors:THREE.VertexColors});THREE.Line.call(this,b,a,THREE.LinePieces)};
+THREE.AxisHelper.prototype=Object.create(THREE.Line.prototype);
+THREE.ArrowHelper=function(a,b,c,d){THREE.Object3D.call(this);void 0===d&&(d=16776960);void 0===c&&(c=20);var e=new THREE.Geometry;e.vertices.push(new THREE.Vector3(0,0,0));e.vertices.push(new THREE.Vector3(0,1,0));this.line=new THREE.Line(e,new THREE.LineBasicMaterial({color:d}));this.add(this.line);e=new THREE.CylinderGeometry(0,0.05,0.25,5,1);this.cone=new THREE.Mesh(e,new THREE.MeshBasicMaterial({color:d}));this.cone.position.set(0,1,0);this.add(this.cone);b instanceof THREE.Vector3&&(this.position=
+b);this.setDirection(a);this.setLength(c)};THREE.ArrowHelper.prototype=Object.create(THREE.Object3D.prototype);THREE.ArrowHelper.prototype.setDirection=function(a){var b=(new THREE.Vector3(0,1,0)).crossSelf(a);a=Math.acos((new THREE.Vector3(0,1,0)).dot(a.clone().normalize()));this.matrix=(new THREE.Matrix4).makeRotationAxis(b.normalize(),a);this.rotation.setEulerFromRotationMatrix(this.matrix,this.eulerOrder)};THREE.ArrowHelper.prototype.setLength=function(a){this.scale.set(a,a,a)};
+THREE.ArrowHelper.prototype.setColor=function(a){this.line.material.color.setHex(a);this.cone.material.color.setHex(a)};
+THREE.CameraHelper=function(a){function b(a,b,d){c(a,d);c(b,d)}function c(a,b){d.geometry.vertices.push(new THREE.Vector3);d.geometry.colors.push(new THREE.Color(b));void 0===d.pointMap[a]&&(d.pointMap[a]=[]);d.pointMap[a].push(d.geometry.vertices.length-1)}THREE.Line.call(this);var d=this;this.geometry=new THREE.Geometry;this.material=new THREE.LineBasicMaterial({color:16777215,vertexColors:THREE.FaceColors});this.type=THREE.LinePieces;this.matrixWorld=a.matrixWorld;this.matrixAutoUpdate=!1;this.pointMap=
+{};b("n1","n2",16755200);b("n2","n4",16755200);b("n4","n3",16755200);b("n3","n1",16755200);b("f1","f2",16755200);b("f2","f4",16755200);b("f4","f3",16755200);b("f3","f1",16755200);b("n1","f1",16755200);b("n2","f2",16755200);b("n3","f3",16755200);b("n4","f4",16755200);b("p","n1",16711680);b("p","n2",16711680);b("p","n3",16711680);b("p","n4",16711680);b("u1","u2",43775);b("u2","u3",43775);b("u3","u1",43775);b("c","t",16777215);b("p","c",3355443);b("cn1","cn2",3355443);b("cn3","cn4",3355443);b("cf1",
+"cf2",3355443);b("cf3","cf4",3355443);this.camera=a;this.update(a)};THREE.CameraHelper.prototype=Object.create(THREE.Line.prototype);
+THREE.CameraHelper.prototype.update=function(){function a(a,d,e,f){THREE.CameraHelper.__v.set(d,e,f);THREE.CameraHelper.__projector.unprojectVector(THREE.CameraHelper.__v,THREE.CameraHelper.__c);a=b.pointMap[a];if(void 0!==a)for(d=0,e=a.length;d<e;d++)b.geometry.vertices[a[d]].copy(THREE.CameraHelper.__v)}var b=this;THREE.CameraHelper.__c.projectionMatrix.copy(this.camera.projectionMatrix);a("c",0,0,-1);a("t",0,0,1);a("n1",-1,-1,-1);a("n2",1,-1,-1);a("n3",-1,1,-1);a("n4",1,1,-1);a("f1",-1,-1,1);a("f2",
+1,-1,1);a("f3",-1,1,1);a("f4",1,1,1);a("u1",0.7,1.1,-1);a("u2",-0.7,1.1,-1);a("u3",0,2,-1);a("cf1",-1,0,1);a("cf2",1,0,1);a("cf3",0,-1,1);a("cf4",0,1,1);a("cn1",-1,0,-1);a("cn2",1,0,-1);a("cn3",0,-1,-1);a("cn4",0,1,-1);this.geometry.verticesNeedUpdate=!0};THREE.CameraHelper.__projector=new THREE.Projector;THREE.CameraHelper.__v=new THREE.Vector3;THREE.CameraHelper.__c=new THREE.Camera;
+THREE.DirectionalLightHelper=function(a,b,c){THREE.Object3D.call(this);this.light=a;this.position=a.position;this.direction=new THREE.Vector3;this.direction.sub(a.target.position,a.position);this.color=a.color.clone();var d=THREE.Math.clamp(a.intensity,0,1);this.color.r*=d;this.color.g*=d;this.color.b*=d;var d=this.color.getHex(),e=new THREE.SphereGeometry(b,16,8),f=new THREE.AsteriskGeometry(1.25*b,2.25*b),g=new THREE.MeshBasicMaterial({color:d,fog:!1}),h=new THREE.LineBasicMaterial({color:d,fog:!1});
+this.lightArrow=new THREE.ArrowHelper(this.direction,null,c,d);this.lightSphere=new THREE.Mesh(e,g);this.lightArrow.cone.material.fog=!1;this.lightArrow.line.material.fog=!1;this.lightRays=new THREE.Line(f,h,THREE.LinePieces);this.add(this.lightArrow);this.add(this.lightSphere);this.add(this.lightRays);this.lightSphere.properties.isGizmo=!0;this.lightSphere.properties.gizmoSubject=a;this.lightSphere.properties.gizmoRoot=this;this.targetSphere=null;a.target.properties.targetInverse&&(b=new THREE.SphereGeometry(b,
+8,4),c=new THREE.MeshBasicMaterial({color:d,wireframe:!0,fog:!1}),this.targetSphere=new THREE.Mesh(b,c),this.targetSphere.position=a.target.position,this.targetSphere.properties.isGizmo=!0,this.targetSphere.properties.gizmoSubject=a.target,this.targetSphere.properties.gizmoRoot=this.targetSphere,a=new THREE.LineDashedMaterial({color:d,dashSize:4,gapSize:4,opacity:0.75,transparent:!0,fog:!1}),d=new THREE.Geometry,d.vertices.push(this.position.clone()),d.vertices.push(this.targetSphere.position.clone()),
+d.computeLineDistances(),this.targetLine=new THREE.Line(d,a),this.targetLine.properties.isGizmo=!0);this.properties.isGizmo=!0};THREE.DirectionalLightHelper.prototype=Object.create(THREE.Object3D.prototype);
+THREE.DirectionalLightHelper.prototype.update=function(){this.direction.sub(this.light.target.position,this.light.position);this.lightArrow.setDirection(this.direction);this.color.copy(this.light.color);var a=THREE.Math.clamp(this.light.intensity,0,1);this.color.r*=a;this.color.g*=a;this.color.b*=a;this.lightArrow.setColor(this.color.getHex());this.lightSphere.material.color.copy(this.color);this.lightRays.material.color.copy(this.color);this.targetSphere.material.color.copy(this.color);this.targetLine.material.color.copy(this.color);
+this.targetLine.geometry.vertices[0].copy(this.light.position);this.targetLine.geometry.vertices[1].copy(this.light.target.position);this.targetLine.geometry.computeLineDistances();this.targetLine.geometry.verticesNeedUpdate=!0};
+THREE.HemisphereLightHelper=function(a,b,c,d){THREE.Object3D.call(this);this.light=a;this.position=a.position;var e=THREE.Math.clamp(a.intensity,0,1);this.color=a.color.clone();this.color.r*=e;this.color.g*=e;this.color.b*=e;d=this.color.getHex();this.groundColor=a.groundColor.clone();this.groundColor.r*=e;this.groundColor.g*=e;this.groundColor.b*=e;for(var e=this.groundColor.getHex(),f=new THREE.SphereGeometry(b,16,8,0,2*Math.PI,0,0.5*Math.PI),g=new THREE.SphereGeometry(b,16,8,0,2*Math.PI,0.5*Math.PI,
+Math.PI),h=new THREE.MeshBasicMaterial({color:d,fog:!1}),l=new THREE.MeshBasicMaterial({color:e,fog:!1}),k=0,q=f.faces.length;k<q;k++)f.faces[k].materialIndex=0;k=0;for(q=g.faces.length;k<q;k++)g.faces[k].materialIndex=1;THREE.GeometryUtils.merge(f,g);this.lightSphere=new THREE.Mesh(f,new THREE.MeshFaceMaterial([h,l]));this.lightArrow=new THREE.ArrowHelper(new THREE.Vector3(0,1,0),new THREE.Vector3(0,1.1*(b+c),0),c,d);this.lightArrow.rotation.x=Math.PI;this.lightArrowGround=new THREE.ArrowHelper(new THREE.Vector3(0,
+1,0),new THREE.Vector3(0,-1.1*(b+c),0),c,e);b=new THREE.Object3D;b.rotation.x=0.5*-Math.PI;b.add(this.lightSphere);b.add(this.lightArrow);b.add(this.lightArrowGround);this.add(b);this.lightSphere.properties.isGizmo=!0;this.lightSphere.properties.gizmoSubject=a;this.lightSphere.properties.gizmoRoot=this;this.properties.isGizmo=!0;this.target=new THREE.Vector3;this.lookAt(this.target)};THREE.HemisphereLightHelper.prototype=Object.create(THREE.Object3D.prototype);
+THREE.HemisphereLightHelper.prototype.update=function(){var a=THREE.Math.clamp(this.light.intensity,0,1);this.color.copy(this.light.color);this.groundColor.copy(this.light.groundColor);this.color.r*=a;this.color.g*=a;this.color.b*=a;this.groundColor.r*=a;this.groundColor.g*=a;this.groundColor.b*=a;this.lightSphere.material.materials[0].color.copy(this.color);this.lightSphere.material.materials[1].color.copy(this.groundColor);this.lightArrow.setColor(this.color.getHex());this.lightArrowGround.setColor(this.groundColor.getHex());
+this.lookAt(this.target)};
+THREE.PointLightHelper=function(a,b){THREE.Object3D.call(this);this.light=a;this.position=a.position;this.color=a.color.clone();var c=THREE.Math.clamp(a.intensity,0,1);this.color.r*=c;this.color.g*=c;this.color.b*=c;var d=this.color.getHex(),c=new THREE.SphereGeometry(b,16,8),e=new THREE.AsteriskGeometry(1.25*b,2.25*b),f=new THREE.IcosahedronGeometry(1,2),g=new THREE.MeshBasicMaterial({color:d,fog:!1}),h=new THREE.LineBasicMaterial({color:d,fog:!1}),d=new THREE.MeshBasicMaterial({color:d,fog:!1,wireframe:!0,
+opacity:0.1,transparent:!0});this.lightSphere=new THREE.Mesh(c,g);this.lightRays=new THREE.Line(e,h,THREE.LinePieces);this.lightDistance=new THREE.Mesh(f,d);c=a.distance;0===c?this.lightDistance.visible=!1:this.lightDistance.scale.set(c,c,c);this.add(this.lightSphere);this.add(this.lightRays);this.add(this.lightDistance);this.lightSphere.properties.isGizmo=!0;this.lightSphere.properties.gizmoSubject=a;this.lightSphere.properties.gizmoRoot=this;this.properties.isGizmo=!0};
+THREE.PointLightHelper.prototype=Object.create(THREE.Object3D.prototype);
+THREE.PointLightHelper.prototype.update=function(){this.color.copy(this.light.color);var a=THREE.Math.clamp(this.light.intensity,0,1);this.color.r*=a;this.color.g*=a;this.color.b*=a;this.lightSphere.material.color.copy(this.color);this.lightRays.material.color.copy(this.color);this.lightDistance.material.color.copy(this.color);a=this.light.distance;0===a?this.lightDistance.visible=!1:(this.lightDistance.visible=!0,this.lightDistance.scale.set(a,a,a))};
+THREE.SpotLightHelper=function(a,b,c){THREE.Object3D.call(this);this.light=a;this.position=a.position;this.direction=new THREE.Vector3;this.direction.sub(a.target.position,a.position);this.color=a.color.clone();var d=THREE.Math.clamp(a.intensity,0,1);this.color.r*=d;this.color.g*=d;this.color.b*=d;var d=this.color.getHex(),e=new THREE.SphereGeometry(b,16,8),f=new THREE.AsteriskGeometry(1.25*b,2.25*b),g=new THREE.CylinderGeometry(1E-4,1,1,8,1,!0),h=new THREE.Matrix4;h.rotateX(-Math.PI/2);h.translate(new THREE.Vector3(0,
+-0.5,0));g.applyMatrix(h);var l=new THREE.MeshBasicMaterial({color:d,fog:!1}),h=new THREE.LineBasicMaterial({color:d,fog:!1}),k=new THREE.MeshBasicMaterial({color:d,fog:!1,wireframe:!0,opacity:0.3,transparent:!0});this.lightArrow=new THREE.ArrowHelper(this.direction,null,c,d);this.lightSphere=new THREE.Mesh(e,l);this.lightCone=new THREE.Mesh(g,k);c=a.distance?a.distance:1E4;e=c*Math.tan(0.5*a.angle)*2;this.lightCone.scale.set(e,e,c);this.lightArrow.cone.material.fog=!1;this.lightArrow.line.material.fog=
+!1;this.lightRays=new THREE.Line(f,h,THREE.LinePieces);this.gyroscope=new THREE.Gyroscope;this.gyroscope.add(this.lightArrow);this.gyroscope.add(this.lightSphere);this.gyroscope.add(this.lightRays);this.add(this.gyroscope);this.add(this.lightCone);this.lookAt(a.target.position);this.lightSphere.properties.isGizmo=!0;this.lightSphere.properties.gizmoSubject=a;this.lightSphere.properties.gizmoRoot=this;this.targetSphere=null;a.target.properties.targetInverse&&(b=new THREE.SphereGeometry(b,8,4),f=new THREE.MeshBasicMaterial({color:d,
+wireframe:!0,fog:!1}),this.targetSphere=new THREE.Mesh(b,f),this.targetSphere.position=a.target.position,this.targetSphere.properties.isGizmo=!0,this.targetSphere.properties.gizmoSubject=a.target,this.targetSphere.properties.gizmoRoot=this.targetSphere,a=new THREE.LineDashedMaterial({color:d,dashSize:4,gapSize:4,opacity:0.75,transparent:!0,fog:!1}),d=new THREE.Geometry,d.vertices.push(this.position.clone()),d.vertices.push(this.targetSphere.position.clone()),d.computeLineDistances(),this.targetLine=
+new THREE.Line(d,a),this.targetLine.properties.isGizmo=!0);this.properties.isGizmo=!0};THREE.SpotLightHelper.prototype=Object.create(THREE.Object3D.prototype);
+THREE.SpotLightHelper.prototype.update=function(){this.direction.sub(this.light.target.position,this.light.position);this.lightArrow.setDirection(this.direction);this.lookAt(this.light.target.position);var a=this.light.distance?this.light.distance:1E4,b=a*Math.tan(0.5*this.light.angle)*2;this.lightCone.scale.set(b,b,a);this.color.copy(this.light.color);a=THREE.Math.clamp(this.light.intensity,0,1);this.color.r*=a;this.color.g*=a;this.color.b*=a;this.lightArrow.setColor(this.color.getHex());this.lightSphere.material.color.copy(this.color);
+this.lightRays.material.color.copy(this.color);this.lightCone.material.color.copy(this.color);this.targetSphere.material.color.copy(this.color);this.targetLine.material.color.copy(this.color);this.targetLine.geometry.vertices[0].copy(this.light.position);this.targetLine.geometry.vertices[1].copy(this.light.target.position);this.targetLine.geometry.computeLineDistances();this.targetLine.geometry.verticesNeedUpdate=!0};
+THREE.SubdivisionModifier=function(a){this.subdivisions=void 0===a?1:a;this.useOldVertexColors=!1;this.supportUVs=!0;this.debug=!1};THREE.SubdivisionModifier.prototype.modify=function(a){for(var b=this.subdivisions;0<b--;)this.smooth(a)};THREE.GeometryUtils.orderedKey=function(a,b){return Math.min(a,b)+"_"+Math.max(a,b)};
+THREE.GeometryUtils.computeEdgeFaces=function(a){function b(a,b){void 0===g[a]&&(g[a]=[]);g[a].push(b)}var c,d,e,f,g={},h=THREE.GeometryUtils.orderedKey;c=0;for(d=a.faces.length;c<d;c++)e=a.faces[c],e instanceof THREE.Face3?(f=h(e.a,e.b),b(f,c),f=h(e.b,e.c),b(f,c),f=h(e.c,e.a),b(f,c)):e instanceof THREE.Face4&&(f=h(e.a,e.b),b(f,c),f=h(e.b,e.c),b(f,c),f=h(e.c,e.d),b(f,c),f=h(e.d,e.a),b(f,c));return g};
+THREE.SubdivisionModifier.prototype.smooth=function(a){function b(){t.debug&&console&&console.assert&&console.assert.apply(console,arguments)}function c(){t.debug&&console.log.apply(console,arguments)}function d(){console&&console.log.apply(console,arguments)}function e(a,b,d,e,g,h,k){var l=new THREE.Face4(a,b,d,e,null,g.color,g.materialIndex);if(t.useOldVertexColors){l.vertexColors=[];for(var m,u,v,w=0;4>w;w++){v=h[w];m=new THREE.Color;m.setRGB(0,0,0);for(var x=0;x<v.length;x++)u=g.vertexColors[v[x]-
+1],m.r+=u.r,m.g+=u.g,m.b+=u.b;m.r/=v.length;m.g/=v.length;m.b/=v.length;l.vertexColors[w]=m}}q.push(l);t.supportUVs&&(g=[f(a,""),f(b,k),f(d,k),f(e,k)],g[0]?g[1]?g[2]?g[3]?s.push(g):c("d :( ",e+":"+k):c("c :( ",d+":"+k):c("b :( ",b+":"+k):c("a :( ",a+":"+k))}function f(a,b){var e=a+":"+b,f=z[e];return f?f:(a>=y&&a<y+x.length?c("face pt"):c("edge pt"),d("warning, UV not found for",e),null)}function g(a,b,c){var e=a+":"+b;e in z?d("dup vertexNo",a,"oldFaceNo",b,"value",c,"key",e,z[e]):z[e]=c}function h(a,
+b){void 0===m[a]&&(m[a]=[]);m[a].push(b)}function l(a,b,c){void 0===O[a]&&(O[a]={});O[a][b]=c}var k=[],q=[],s=[],t=this,v=THREE.GeometryUtils.orderedKey,u=THREE.GeometryUtils.computeEdgeFaces,w=a.vertices,x=a.faces,y=w.length,k=w.concat(),A=[],C={},B={},z={},D,I,J,F,K,L=a.faceVertexUvs[0],H;c("originalFaces, uvs, originalVerticesLength",x.length,L.length,y);if(t.supportUVs)for(D=0,I=L.length;D<I;D++)for(J=0,F=L[D].length;J<F;J++)H=x[D]["abcd".charAt(J)],g(H,D,L[D][J]);0==L.length&&(t.supportUVs=!1);
+D=0;for(K in z)D++;D||(t.supportUVs=!1,c("no uvs"));D=0;for(I=x.length;D<I;D++)K=x[D],A.push(K.centroid),k.push(K.centroid),t.supportUVs&&(F=new THREE.UV,K instanceof THREE.Face3?(F.u=f(K.a,D).u+f(K.b,D).u+f(K.c,D).u,F.v=f(K.a,D).v+f(K.b,D).v+f(K.c,D).v,F.u/=3,F.v/=3):K instanceof THREE.Face4&&(F.u=f(K.a,D).u+f(K.b,D).u+f(K.c,D).u+f(K.d,D).u,F.v=f(K.a,D).v+f(K.b,D).v+f(K.c,D).v+f(K.d,D).v,F.u/=4,F.v/=4),g(y+D,"",F));var u=u(a),T;I=0;var R,m={},O={};for(D in u){L=u[D];F=D.split("_");H=F[0];R=F[1];
+h(H,[H,R]);h(R,[H,R]);J=0;for(F=L.length;J<F;J++)K=L[J],l(H,K,D),l(R,K,D);2>L.length&&(B[D]=!0)}for(D in u)L=u[D],K=L[0],T=L[1],F=D.split("_"),H=F[0],R=F[1],F=new THREE.Vector3,b(0<L.length,"an edge without faces?!"),1==L.length?(F.addSelf(w[H]),F.addSelf(w[R]),F.multiplyScalar(0.5)):(F.addSelf(A[K]),F.addSelf(A[T]),F.addSelf(w[H]),F.addSelf(w[R]),F.multiplyScalar(0.25)),C[D]=y+x.length+I,k.push(F),I++,t.supportUVs&&(F=new THREE.UV,F.u=f(H,K).u+f(R,K).u,F.v=f(H,K).v+f(R,K).v,F.u/=2,F.v/=2,g(C[D],
+K,F),2<=L.length&&(b(2==L.length,"did we plan for more than 2 edges?"),F=new THREE.UV,F.u=f(H,T).u+f(R,T).u,F.v=f(H,T).v+f(R,T).v,F.u/=2,F.v/=2,g(C[D],T,F)));c("-- Step 2 done");var W,P;R=["123","12","2","23"];T=["123","23","3","31"];var ha=["123","31","1","12"],ca=["1234","12","2","23"],oa=["1234","23","3","34"],S=["1234","34","4","41"],Da=["1234","41","1","12"];D=0;for(I=A.length;D<I;D++)K=x[D],L=y+D,K instanceof THREE.Face3?(F=v(K.a,K.b),H=v(K.b,K.c),W=v(K.c,K.a),e(L,C[F],K.b,C[H],K,R,D),e(L,C[H],
+K.c,C[W],K,T,D),e(L,C[W],K.a,C[F],K,ha,D)):K instanceof THREE.Face4?(F=v(K.a,K.b),H=v(K.b,K.c),W=v(K.c,K.d),P=v(K.d,K.a),e(L,C[F],K.b,C[H],K,ca,D),e(L,C[H],K.c,C[W],K,oa,D),e(L,C[W],K.d,C[P],K,S,D),e(L,C[P],K.a,C[F],K,Da,D)):c("face should be a face!",K);C=new THREE.Vector3;K=new THREE.Vector3;D=0;for(I=w.length;D<I;D++)if(void 0!==m[D]){C.set(0,0,0);K.set(0,0,0);H=new THREE.Vector3(0,0,0);L=0;for(J in O[D])C.addSelf(A[J]),L++;T=0;F=m[D].length;R=L!=F;for(J=0;J<F;J++)B[v(m[D][J][0],m[D][J][1])]&&
+T++;C.divideScalar(L);T=0;if(R){for(J=0;J<F;J++)if(L=m[D][J],ha=1==u[v(L[0],L[1])].length)L=w[L[0]].clone().addSelf(w[L[1]]).divideScalar(2),K.addSelf(L),T++;K.divideScalar(4);b(2==T,"should have only 2 boundary edges")}else{for(J=0;J<F;J++)L=m[D][J],L=w[L[0]].clone().addSelf(w[L[1]]).divideScalar(2),K.addSelf(L);K.divideScalar(F)}H.addSelf(w[D]);R?(H.divideScalar(2),H.addSelf(K)):(H.multiplyScalar(F-3),H.addSelf(C),H.addSelf(K.multiplyScalar(2)),H.divideScalar(F));k[D]=H}a.vertices=k;a.faces=q;a.faceVertexUvs[0]=
+s;delete a.__tmpVertices;a.computeCentroids();a.computeFaceNormals();a.computeVertexNormals()};THREE.ImmediateRenderObject=function(){THREE.Object3D.call(this);this.render=function(a){}};THREE.ImmediateRenderObject.prototype=Object.create(THREE.Object3D.prototype);THREE.LensFlare=function(a,b,c,d,e){THREE.Object3D.call(this);this.lensFlares=[];this.positionScreen=new THREE.Vector3;this.customUpdateCallback=void 0;void 0!==a&&this.add(a,b,c,d,e)};THREE.LensFlare.prototype=Object.create(THREE.Object3D.prototype);
+THREE.LensFlare.prototype.add=function(a,b,c,d,e,f){void 0===b&&(b=-1);void 0===c&&(c=0);void 0===f&&(f=1);void 0===e&&(e=new THREE.Color(16777215));void 0===d&&(d=THREE.NormalBlending);c=Math.min(c,Math.max(0,c));this.lensFlares.push({texture:a,size:b,distance:c,x:0,y:0,z:0,scale:1,rotation:1,opacity:f,color:e,blending:d})};
+THREE.LensFlare.prototype.updateLensFlares=function(){var a,b=this.lensFlares.length,c,d=2*-this.positionScreen.x,e=2*-this.positionScreen.y;for(a=0;a<b;a++)c=this.lensFlares[a],c.x=this.positionScreen.x+d*c.distance,c.y=this.positionScreen.y+e*c.distance,c.wantedRotation=c.x*Math.PI*0.25,c.rotation+=0.25*(c.wantedRotation-c.rotation)};
+THREE.MorphBlendMesh=function(a,b){THREE.Mesh.call(this,a,b);this.animationsMap={};this.animationsList=[];var c=this.geometry.morphTargets.length;this.createAnimation("__default",0,c-1,c/1);this.setAnimationWeight("__default",1)};THREE.MorphBlendMesh.prototype=Object.create(THREE.Mesh.prototype);
+THREE.MorphBlendMesh.prototype.createAnimation=function(a,b,c,d){b={startFrame:b,endFrame:c,length:c-b+1,fps:d,duration:(c-b)/d,lastFrame:0,currentFrame:0,active:!1,time:0,direction:1,weight:1,directionBackwards:!1,mirroredLoop:!1};this.animationsMap[a]=b;this.animationsList.push(b)};
+THREE.MorphBlendMesh.prototype.autoCreateAnimations=function(a){for(var b=/([a-z]+)(\d+)/,c,d={},e=this.geometry,f=0,g=e.morphTargets.length;f<g;f++){var h=e.morphTargets[f].name.match(b);if(h&&1<h.length){var l=h[1];d[l]||(d[l]={start:Infinity,end:-Infinity});h=d[l];f<h.start&&(h.start=f);f>h.end&&(h.end=f);c||(c=l)}}for(l in d)h=d[l],this.createAnimation(l,h.start,h.end,a);this.firstAnimation=c};
+THREE.MorphBlendMesh.prototype.setAnimationDirectionForward=function(a){if(a=this.animationsMap[a])a.direction=1,a.directionBackwards=!1};THREE.MorphBlendMesh.prototype.setAnimationDirectionBackward=function(a){if(a=this.animationsMap[a])a.direction=-1,a.directionBackwards=!0};THREE.MorphBlendMesh.prototype.setAnimationFPS=function(a,b){var c=this.animationsMap[a];c&&(c.fps=b,c.duration=(c.end-c.start)/c.fps)};
+THREE.MorphBlendMesh.prototype.setAnimationDuration=function(a,b){var c=this.animationsMap[a];c&&(c.duration=b,c.fps=(c.end-c.start)/c.duration)};THREE.MorphBlendMesh.prototype.setAnimationWeight=function(a,b){var c=this.animationsMap[a];c&&(c.weight=b)};THREE.MorphBlendMesh.prototype.setAnimationTime=function(a,b){var c=this.animationsMap[a];c&&(c.time=b)};THREE.MorphBlendMesh.prototype.getAnimationTime=function(a){var b=0;if(a=this.animationsMap[a])b=a.time;return b};
+THREE.MorphBlendMesh.prototype.getAnimationDuration=function(a){var b=-1;if(a=this.animationsMap[a])b=a.duration;return b};THREE.MorphBlendMesh.prototype.playAnimation=function(a){var b=this.animationsMap[a];b?(b.time=0,b.active=!0):console.warn("animation["+a+"] undefined")};THREE.MorphBlendMesh.prototype.stopAnimation=function(a){if(a=this.animationsMap[a])a.active=!1};
+THREE.MorphBlendMesh.prototype.update=function(a){for(var b=0,c=this.animationsList.length;b<c;b++){var d=this.animationsList[b];if(d.active){var e=d.duration/d.length;d.time+=d.direction*a;if(d.mirroredLoop){if(d.time>d.duration||0>d.time)d.direction*=-1,d.time>d.duration&&(d.time=d.duration,d.directionBackwards=!0),0>d.time&&(d.time=0,d.directionBackwards=!1)}else d.time%=d.duration,0>d.time&&(d.time+=d.duration);var f=d.startFrame+THREE.Math.clamp(Math.floor(d.time/e),0,d.length-1),g=d.weight;
+f!==d.currentFrame&&(this.morphTargetInfluences[d.lastFrame]=0,this.morphTargetInfluences[d.currentFrame]=1*g,this.morphTargetInfluences[f]=0,d.lastFrame=d.currentFrame,d.currentFrame=f);e=d.time%e/e;d.directionBackwards&&(e=1-e);this.morphTargetInfluences[d.currentFrame]=e*g;this.morphTargetInfluences[d.lastFrame]=(1-e)*g}}};
+THREE.LensFlarePlugin=function(){function a(a){var c=b.createProgram(),d=b.createShader(b.FRAGMENT_SHADER),e=b.createShader(b.VERTEX_SHADER);b.shaderSource(d,a.fragmentShader);b.shaderSource(e,a.vertexShader);b.compileShader(d);b.compileShader(e);b.attachShader(c,d);b.attachShader(c,e);b.linkProgram(c);return c}var b,c,d,e,f,g,h,l,k,q,s,t,v;this.init=function(u){b=u.context;c=u;d=new Float32Array(16);e=new Uint16Array(6);u=0;d[u++]=-1;d[u++]=-1;d[u++]=0;d[u++]=0;d[u++]=1;d[u++]=-1;d[u++]=1;d[u++]=
+0;d[u++]=1;d[u++]=1;d[u++]=1;d[u++]=1;d[u++]=-1;d[u++]=1;d[u++]=0;d[u++]=1;u=0;e[u++]=0;e[u++]=1;e[u++]=2;e[u++]=0;e[u++]=2;e[u++]=3;f=b.createBuffer();g=b.createBuffer();b.bindBuffer(b.ARRAY_BUFFER,f);b.bufferData(b.ARRAY_BUFFER,d,b.STATIC_DRAW);b.bindBuffer(b.ELEMENT_ARRAY_BUFFER,g);b.bufferData(b.ELEMENT_ARRAY_BUFFER,e,b.STATIC_DRAW);h=b.createTexture();l=b.createTexture();b.bindTexture(b.TEXTURE_2D,h);b.texImage2D(b.TEXTURE_2D,0,b.RGB,16,16,0,b.RGB,b.UNSIGNED_BYTE,null);b.texParameteri(b.TEXTURE_2D,
+b.TEXTURE_WRAP_S,b.CLAMP_TO_EDGE);b.texParameteri(b.TEXTURE_2D,b.TEXTURE_WRAP_T,b.CLAMP_TO_EDGE);b.texParameteri(b.TEXTURE_2D,b.TEXTURE_MAG_FILTER,b.NEAREST);b.texParameteri(b.TEXTURE_2D,b.TEXTURE_MIN_FILTER,b.NEAREST);b.bindTexture(b.TEXTURE_2D,l);b.texImage2D(b.TEXTURE_2D,0,b.RGBA,16,16,0,b.RGBA,b.UNSIGNED_BYTE,null);b.texParameteri(b.TEXTURE_2D,b.TEXTURE_WRAP_S,b.CLAMP_TO_EDGE);b.texParameteri(b.TEXTURE_2D,b.TEXTURE_WRAP_T,b.CLAMP_TO_EDGE);b.texParameteri(b.TEXTURE_2D,b.TEXTURE_MAG_FILTER,b.NEAREST);
+b.texParameteri(b.TEXTURE_2D,b.TEXTURE_MIN_FILTER,b.NEAREST);0>=b.getParameter(b.MAX_VERTEX_TEXTURE_IMAGE_UNITS)?(k=!1,q=a(THREE.ShaderFlares.lensFlare)):(k=!0,q=a(THREE.ShaderFlares.lensFlareVertexTexture));s={};t={};s.vertex=b.getAttribLocation(q,"position");s.uv=b.getAttribLocation(q,"uv");t.renderType=b.getUniformLocation(q,"renderType");t.map=b.getUniformLocation(q,"map");t.occlusionMap=b.getUniformLocation(q,"occlusionMap");t.opacity=b.getUniformLocation(q,"opacity");t.color=b.getUniformLocation(q,
+"color");t.scale=b.getUniformLocation(q,"scale");t.rotation=b.getUniformLocation(q,"rotation");t.screenPosition=b.getUniformLocation(q,"screenPosition");v=!1};this.render=function(a,d,e,y){a=a.__webglFlares;var A=a.length;if(A){var C=new THREE.Vector3,B=y/e,z=0.5*e,D=0.5*y,I=16/y,J=new THREE.Vector2(I*B,I),F=new THREE.Vector3(1,1,0),K=new THREE.Vector2(1,1),L=t,I=s;b.useProgram(q);v||(b.enableVertexAttribArray(s.vertex),b.enableVertexAttribArray(s.uv),v=!0);b.uniform1i(L.occlusionMap,0);b.uniform1i(L.map,
+1);b.bindBuffer(b.ARRAY_BUFFER,f);b.vertexAttribPointer(I.vertex,2,b.FLOAT,!1,16,0);b.vertexAttribPointer(I.uv,2,b.FLOAT,!1,16,8);b.bindBuffer(b.ELEMENT_ARRAY_BUFFER,g);b.disable(b.CULL_FACE);b.depthMask(!1);var H,T,R,m,O;for(H=0;H<A;H++)if(I=16/y,J.set(I*B,I),m=a[H],C.set(m.matrixWorld.elements[12],m.matrixWorld.elements[13],m.matrixWorld.elements[14]),d.matrixWorldInverse.multiplyVector3(C),d.projectionMatrix.multiplyVector3(C),F.copy(C),K.x=F.x*z+z,K.y=F.y*D+D,k||0<K.x&&K.x<e&&0<K.y&&K.y<y)for(b.activeTexture(b.TEXTURE1),
+b.bindTexture(b.TEXTURE_2D,h),b.copyTexImage2D(b.TEXTURE_2D,0,b.RGB,K.x-8,K.y-8,16,16,0),b.uniform1i(L.renderType,0),b.uniform2f(L.scale,J.x,J.y),b.uniform3f(L.screenPosition,F.x,F.y,F.z),b.disable(b.BLEND),b.enable(b.DEPTH_TEST),b.drawElements(b.TRIANGLES,6,b.UNSIGNED_SHORT,0),b.activeTexture(b.TEXTURE0),b.bindTexture(b.TEXTURE_2D,l),b.copyTexImage2D(b.TEXTURE_2D,0,b.RGBA,K.x-8,K.y-8,16,16,0),b.uniform1i(L.renderType,1),b.disable(b.DEPTH_TEST),b.activeTexture(b.TEXTURE1),b.bindTexture(b.TEXTURE_2D,
+h),b.drawElements(b.TRIANGLES,6,b.UNSIGNED_SHORT,0),m.positionScreen.copy(F),m.customUpdateCallback?m.customUpdateCallback(m):m.updateLensFlares(),b.uniform1i(L.renderType,2),b.enable(b.BLEND),T=0,R=m.lensFlares.length;T<R;T++)O=m.lensFlares[T],0.001<O.opacity&&0.001<O.scale&&(F.x=O.x,F.y=O.y,F.z=O.z,I=O.size*O.scale/y,J.x=I*B,J.y=I,b.uniform3f(L.screenPosition,F.x,F.y,F.z),b.uniform2f(L.scale,J.x,J.y),b.uniform1f(L.rotation,O.rotation),b.uniform1f(L.opacity,O.opacity),b.uniform3f(L.color,O.color.r,
+O.color.g,O.color.b),c.setBlending(O.blending,O.blendEquation,O.blendSrc,O.blendDst),c.setTexture(O.texture,1),b.drawElements(b.TRIANGLES,6,b.UNSIGNED_SHORT,0));b.enable(b.CULL_FACE);b.enable(b.DEPTH_TEST);b.depthMask(!0)}}};
+THREE.ShadowMapPlugin=function(){var a,b,c,d,e,f,g=new THREE.Frustum,h=new THREE.Matrix4,l=new THREE.Vector3,k=new THREE.Vector3;this.init=function(g){a=g.context;b=g;g=THREE.ShaderLib.depthRGBA;var h=THREE.UniformsUtils.clone(g.uniforms);c=new THREE.ShaderMaterial({fragmentShader:g.fragmentShader,vertexShader:g.vertexShader,uniforms:h});d=new THREE.ShaderMaterial({fragmentShader:g.fragmentShader,vertexShader:g.vertexShader,uniforms:h,morphTargets:!0});e=new THREE.ShaderMaterial({fragmentShader:g.fragmentShader,
+vertexShader:g.vertexShader,uniforms:h,skinning:!0});f=new THREE.ShaderMaterial({fragmentShader:g.fragmentShader,vertexShader:g.vertexShader,uniforms:h,morphTargets:!0,skinning:!0});c._shadowPass=!0;d._shadowPass=!0;e._shadowPass=!0;f._shadowPass=!0};this.render=function(a,c){b.shadowMapEnabled&&b.shadowMapAutoUpdate&&this.update(a,c)};this.update=function(q,s){var t,v,u,w,x,y,A,C,B,z=[];w=0;a.clearColor(1,1,1,1);a.disable(a.BLEND);a.enable(a.CULL_FACE);a.frontFace(a.CCW);b.shadowMapCullFrontFaces?
+a.cullFace(a.FRONT):a.cullFace(a.BACK);b.setDepthTest(!0);t=0;for(v=q.__lights.length;t<v;t++)if(u=q.__lights[t],u.castShadow)if(u instanceof THREE.DirectionalLight&&u.shadowCascade)for(x=0;x<u.shadowCascadeCount;x++){var D;if(u.shadowCascadeArray[x])D=u.shadowCascadeArray[x];else{B=u;A=x;D=new THREE.DirectionalLight;D.isVirtual=!0;D.onlyShadow=!0;D.castShadow=!0;D.shadowCameraNear=B.shadowCameraNear;D.shadowCameraFar=B.shadowCameraFar;D.shadowCameraLeft=B.shadowCameraLeft;D.shadowCameraRight=B.shadowCameraRight;
+D.shadowCameraBottom=B.shadowCameraBottom;D.shadowCameraTop=B.shadowCameraTop;D.shadowCameraVisible=B.shadowCameraVisible;D.shadowDarkness=B.shadowDarkness;D.shadowBias=B.shadowCascadeBias[A];D.shadowMapWidth=B.shadowCascadeWidth[A];D.shadowMapHeight=B.shadowCascadeHeight[A];D.pointsWorld=[];D.pointsFrustum=[];C=D.pointsWorld;y=D.pointsFrustum;for(var I=0;8>I;I++)C[I]=new THREE.Vector3,y[I]=new THREE.Vector3;C=B.shadowCascadeNearZ[A];B=B.shadowCascadeFarZ[A];y[0].set(-1,-1,C);y[1].set(1,-1,C);y[2].set(-1,
+1,C);y[3].set(1,1,C);y[4].set(-1,-1,B);y[5].set(1,-1,B);y[6].set(-1,1,B);y[7].set(1,1,B);D.originalCamera=s;y=new THREE.Gyroscope;y.position=u.shadowCascadeOffset;y.add(D);y.add(D.target);s.add(y);u.shadowCascadeArray[x]=D;console.log("Created virtualLight",D)}A=u;C=x;B=A.shadowCascadeArray[C];B.position.copy(A.position);B.target.position.copy(A.target.position);B.lookAt(B.target);B.shadowCameraVisible=A.shadowCameraVisible;B.shadowDarkness=A.shadowDarkness;B.shadowBias=A.shadowCascadeBias[C];y=A.shadowCascadeNearZ[C];
+A=A.shadowCascadeFarZ[C];B=B.pointsFrustum;B[0].z=y;B[1].z=y;B[2].z=y;B[3].z=y;B[4].z=A;B[5].z=A;B[6].z=A;B[7].z=A;z[w]=D;w++}else z[w]=u,w++;t=0;for(v=z.length;t<v;t++){u=z[t];u.shadowMap||(u.shadowMap=new THREE.WebGLRenderTarget(u.shadowMapWidth,u.shadowMapHeight,{minFilter:THREE.LinearFilter,magFilter:THREE.LinearFilter,format:THREE.RGBAFormat}),u.shadowMapSize=new THREE.Vector2(u.shadowMapWidth,u.shadowMapHeight),u.shadowMatrix=new THREE.Matrix4);if(!u.shadowCamera){if(u instanceof THREE.SpotLight)u.shadowCamera=
+new THREE.PerspectiveCamera(u.shadowCameraFov,u.shadowMapWidth/u.shadowMapHeight,u.shadowCameraNear,u.shadowCameraFar);else if(u instanceof THREE.DirectionalLight)u.shadowCamera=new THREE.OrthographicCamera(u.shadowCameraLeft,u.shadowCameraRight,u.shadowCameraTop,u.shadowCameraBottom,u.shadowCameraNear,u.shadowCameraFar);else{console.error("Unsupported light type for shadow");continue}q.add(u.shadowCamera);b.autoUpdateScene&&q.updateMatrixWorld()}u.shadowCameraVisible&&!u.cameraHelper&&(u.cameraHelper=
+new THREE.CameraHelper(u.shadowCamera),u.shadowCamera.add(u.cameraHelper));if(u.isVirtual&&D.originalCamera==s){x=s;w=u.shadowCamera;y=u.pointsFrustum;B=u.pointsWorld;l.set(Infinity,Infinity,Infinity);k.set(-Infinity,-Infinity,-Infinity);for(A=0;8>A;A++)C=B[A],C.copy(y[A]),THREE.ShadowMapPlugin.__projector.unprojectVector(C,x),w.matrixWorldInverse.multiplyVector3(C),C.x<l.x&&(l.x=C.x),C.x>k.x&&(k.x=C.x),C.y<l.y&&(l.y=C.y),C.y>k.y&&(k.y=C.y),C.z<l.z&&(l.z=C.z),C.z>k.z&&(k.z=C.z);w.left=l.x;w.right=
+k.x;w.top=k.y;w.bottom=l.y;w.updateProjectionMatrix()}w=u.shadowMap;y=u.shadowMatrix;x=u.shadowCamera;x.position.copy(u.matrixWorld.getPosition());x.lookAt(u.target.matrixWorld.getPosition());x.updateMatrixWorld();x.matrixWorldInverse.getInverse(x.matrixWorld);u.cameraHelper&&(u.cameraHelper.visible=u.shadowCameraVisible);u.shadowCameraVisible&&u.cameraHelper.update();y.set(0.5,0,0,0.5,0,0.5,0,0.5,0,0,0.5,0.5,0,0,0,1);y.multiplySelf(x.projectionMatrix);y.multiplySelf(x.matrixWorldInverse);x._viewMatrixArray||
+(x._viewMatrixArray=new Float32Array(16));x._projectionMatrixArray||(x._projectionMatrixArray=new Float32Array(16));x.matrixWorldInverse.flattenToArray(x._viewMatrixArray);x.projectionMatrix.flattenToArray(x._projectionMatrixArray);h.multiply(x.projectionMatrix,x.matrixWorldInverse);g.setFromMatrix(h);b.setRenderTarget(w);b.clear();B=q.__webglObjects;u=0;for(w=B.length;u<w;u++)A=B[u],y=A.object,A.render=!1,!y.visible||!y.castShadow||(y instanceof THREE.Mesh||y instanceof THREE.ParticleSystem)&&y.frustumCulled&&
+!g.contains(y)||(y._modelViewMatrix.multiply(x.matrixWorldInverse,y.matrixWorld),A.render=!0);u=0;for(w=B.length;u<w;u++)A=B[u],A.render&&(y=A.object,A=A.buffer,I=y.material instanceof THREE.MeshFaceMaterial?y.material.materials[0]:y.material,C=0<y.geometry.morphTargets.length&&I.morphTargets,I=y instanceof THREE.SkinnedMesh&&I.skinning,C=y.customDepthMaterial?y.customDepthMaterial:I?C?f:e:C?d:c,A instanceof THREE.BufferGeometry?b.renderBufferDirect(x,q.__lights,null,C,A,y):b.renderBuffer(x,q.__lights,
+null,C,A,y));B=q.__webglObjectsImmediate;u=0;for(w=B.length;u<w;u++)A=B[u],y=A.object,y.visible&&y.castShadow&&(y._modelViewMatrix.multiply(x.matrixWorldInverse,y.matrixWorld),b.renderImmediateObject(x,q.__lights,null,c,y))}t=b.getClearColor();v=b.getClearAlpha();a.clearColor(t.r,t.g,t.b,v);a.enable(a.BLEND);b.shadowMapCullFrontFaces&&a.cullFace(a.BACK)}};THREE.ShadowMapPlugin.__projector=new THREE.Projector;
+THREE.SpritePlugin=function(){function a(a,b){return a.z!==b.z?b.z-a.z:b.id-a.id}var b,c,d,e,f,g,h,l,k,q;this.init=function(a){b=a.context;c=a;d=new Float32Array(16);e=new Uint16Array(6);a=0;d[a++]=-1;d[a++]=-1;d[a++]=0;d[a++]=0;d[a++]=1;d[a++]=-1;d[a++]=1;d[a++]=0;d[a++]=1;d[a++]=1;d[a++]=1;d[a++]=1;d[a++]=-1;d[a++]=1;d[a++]=0;d[a++]=1;a=0;e[a++]=0;e[a++]=1;e[a++]=2;e[a++]=0;e[a++]=2;e[a++]=3;f=b.createBuffer();g=b.createBuffer();b.bindBuffer(b.ARRAY_BUFFER,f);b.bufferData(b.ARRAY_BUFFER,d,b.STATIC_DRAW);
+b.bindBuffer(b.ELEMENT_ARRAY_BUFFER,g);b.bufferData(b.ELEMENT_ARRAY_BUFFER,e,b.STATIC_DRAW);a=THREE.ShaderSprite.sprite;var t=b.createProgram(),v=b.createShader(b.FRAGMENT_SHADER),u=b.createShader(b.VERTEX_SHADER);b.shaderSource(v,a.fragmentShader);b.shaderSource(u,a.vertexShader);b.compileShader(v);b.compileShader(u);b.attachShader(t,v);b.attachShader(t,u);b.linkProgram(t);h=t;l={};k={};l.position=b.getAttribLocation(h,"position");l.uv=b.getAttribLocation(h,"uv");k.uvOffset=b.getUniformLocation(h,
+"uvOffset");k.uvScale=b.getUniformLocation(h,"uvScale");k.rotation=b.getUniformLocation(h,"rotation");k.scale=b.getUniformLocation(h,"scale");k.alignment=b.getUniformLocation(h,"alignment");k.color=b.getUniformLocation(h,"color");k.map=b.getUniformLocation(h,"map");k.opacity=b.getUniformLocation(h,"opacity");k.useScreenCoordinates=b.getUniformLocation(h,"useScreenCoordinates");k.affectedByDistance=b.getUniformLocation(h,"affectedByDistance");k.screenPosition=b.getUniformLocation(h,"screenPosition");
+k.modelViewMatrix=b.getUniformLocation(h,"modelViewMatrix");k.projectionMatrix=b.getUniformLocation(h,"projectionMatrix");k.fogType=b.getUniformLocation(h,"fogType");k.fogDensity=b.getUniformLocation(h,"fogDensity");k.fogNear=b.getUniformLocation(h,"fogNear");k.fogFar=b.getUniformLocation(h,"fogFar");k.fogColor=b.getUniformLocation(h,"fogColor");q=!1};this.render=function(d,e,v,u){var w=d.__webglSprites,x=w.length;if(x){var y=l,A=k,C=u/v;v*=0.5;var B=0.5*u,z=!0;b.useProgram(h);q||(b.enableVertexAttribArray(y.position),
+b.enableVertexAttribArray(y.uv),q=!0);b.disable(b.CULL_FACE);b.enable(b.BLEND);b.depthMask(!0);b.bindBuffer(b.ARRAY_BUFFER,f);b.vertexAttribPointer(y.position,2,b.FLOAT,!1,16,0);b.vertexAttribPointer(y.uv,2,b.FLOAT,!1,16,8);b.bindBuffer(b.ELEMENT_ARRAY_BUFFER,g);b.uniformMatrix4fv(A.projectionMatrix,!1,e._projectionMatrixArray);b.activeTexture(b.TEXTURE0);b.uniform1i(A.map,0);var D=y=0,I=d.fog;I?(b.uniform3f(A.fogColor,I.color.r,I.color.g,I.color.b),I instanceof THREE.Fog?(b.uniform1f(A.fogNear,I.near),
+b.uniform1f(A.fogFar,I.far),b.uniform1i(A.fogType,1),D=y=1):I instanceof THREE.FogExp2&&(b.uniform1f(A.fogDensity,I.density),b.uniform1i(A.fogType,2),D=y=2)):(b.uniform1i(A.fogType,0),D=y=0);for(var J,F=[],I=0;I<x;I++)J=w[I],J.visible&&0!==J.opacity&&(J.useScreenCoordinates?J.z=-J.position.z:(J._modelViewMatrix.multiply(e.matrixWorldInverse,J.matrixWorld),J.z=-J._modelViewMatrix.elements[14]));w.sort(a);for(I=0;I<x;I++)J=w[I],J.visible&&0!==J.opacity&&J.map&&J.map.image&&J.map.image.width&&(J.useScreenCoordinates?
+(b.uniform1i(A.useScreenCoordinates,1),b.uniform3f(A.screenPosition,(J.position.x-v)/v,(B-J.position.y)/B,Math.max(0,Math.min(1,J.position.z)))):(b.uniform1i(A.useScreenCoordinates,0),b.uniform1i(A.affectedByDistance,J.affectedByDistance?1:0),b.uniformMatrix4fv(A.modelViewMatrix,!1,J._modelViewMatrix.elements)),e=d.fog&&J.fog?D:0,y!==e&&(b.uniform1i(A.fogType,e),y=e),e=1/(J.scaleByViewport?u:1),F[0]=e*C*J.scale.x,F[1]=e*J.scale.y,b.uniform2f(A.uvScale,J.uvScale.x,J.uvScale.y),b.uniform2f(A.uvOffset,
+J.uvOffset.x,J.uvOffset.y),b.uniform2f(A.alignment,J.alignment.x,J.alignment.y),b.uniform1f(A.opacity,J.opacity),b.uniform3f(A.color,J.color.r,J.color.g,J.color.b),b.uniform1f(A.rotation,J.rotation),b.uniform2fv(A.scale,F),J.mergeWith3D&&!z?(b.enable(b.DEPTH_TEST),z=!0):!J.mergeWith3D&&z&&(b.disable(b.DEPTH_TEST),z=!1),c.setBlending(J.blending,J.blendEquation,J.blendSrc,J.blendDst),c.setTexture(J.map,0),b.drawElements(b.TRIANGLES,6,b.UNSIGNED_SHORT,0));b.enable(b.CULL_FACE);b.enable(b.DEPTH_TEST);
+b.depthMask(!0)}}};
+THREE.DepthPassPlugin=function(){this.enabled=!1;this.renderTarget=null;var a,b,c,d,e,f,g=new THREE.Frustum,h=new THREE.Matrix4;this.init=function(g){a=g.context;b=g;g=THREE.ShaderLib.depthRGBA;var h=THREE.UniformsUtils.clone(g.uniforms);c=new THREE.ShaderMaterial({fragmentShader:g.fragmentShader,vertexShader:g.vertexShader,uniforms:h});d=new THREE.ShaderMaterial({fragmentShader:g.fragmentShader,vertexShader:g.vertexShader,uniforms:h,morphTargets:!0});e=new THREE.ShaderMaterial({fragmentShader:g.fragmentShader,vertexShader:g.vertexShader,
+uniforms:h,skinning:!0});f=new THREE.ShaderMaterial({fragmentShader:g.fragmentShader,vertexShader:g.vertexShader,uniforms:h,morphTargets:!0,skinning:!0});c._shadowPass=!0;d._shadowPass=!0;e._shadowPass=!0;f._shadowPass=!0};this.render=function(a,b){this.enabled&&this.update(a,b)};this.update=function(l,k){var q,s,t,v,u,w;a.clearColor(1,1,1,1);a.disable(a.BLEND);b.setDepthTest(!0);b.autoUpdateScene&&l.updateMatrixWorld();k._viewMatrixArray||(k._viewMatrixArray=new Float32Array(16));k._projectionMatrixArray||
+(k._projectionMatrixArray=new Float32Array(16));k.matrixWorldInverse.getInverse(k.matrixWorld);k.matrixWorldInverse.flattenToArray(k._viewMatrixArray);k.projectionMatrix.flattenToArray(k._projectionMatrixArray);h.multiply(k.projectionMatrix,k.matrixWorldInverse);g.setFromMatrix(h);b.setRenderTarget(this.renderTarget);b.clear();w=l.__webglObjects;q=0;for(s=w.length;q<s;q++)t=w[q],u=t.object,t.render=!1,!u.visible||(u instanceof THREE.Mesh||u instanceof THREE.ParticleSystem)&&u.frustumCulled&&!g.contains(u)||
+(u._modelViewMatrix.multiply(k.matrixWorldInverse,u.matrixWorld),t.render=!0);var x;q=0;for(s=w.length;q<s;q++)t=w[q],t.render&&(u=t.object,t=t.buffer,u instanceof THREE.ParticleSystem&&!u.customDepthMaterial||((x=u.material instanceof THREE.MeshFaceMaterial?u.material.materials[0]:u.material)&&b.setMaterialFaces(u.material),v=0<u.geometry.morphTargets.length&&x.morphTargets,x=u instanceof THREE.SkinnedMesh&&x.skinning,v=u.customDepthMaterial?u.customDepthMaterial:x?v?f:e:v?d:c,t instanceof THREE.BufferGeometry?
+b.renderBufferDirect(k,l.__lights,null,v,t,u):b.renderBuffer(k,l.__lights,null,v,t,u)));w=l.__webglObjectsImmediate;q=0;for(s=w.length;q<s;q++)t=w[q],u=t.object,u.visible&&(u._modelViewMatrix.multiply(k.matrixWorldInverse,u.matrixWorld),b.renderImmediateObject(k,l.__lights,null,c,u));q=b.getClearColor();s=b.getClearAlpha();a.clearColor(q.r,q.g,q.b,s);a.enable(a.BLEND)}};
+THREE.ShaderFlares={lensFlareVertexTexture:{vertexShader:"uniform vec3 screenPosition;\nuniform vec2 scale;\nuniform float rotation;\nuniform int renderType;\nuniform sampler2D occlusionMap;\nattribute vec2 position;\nattribute vec2 uv;\nvarying vec2 vUV;\nvarying float vVisibility;\nvoid main() {\nvUV = uv;\nvec2 pos = position;\nif( renderType == 2 ) {\nvec4 visibility = texture2D( occlusionMap, vec2( 0.1, 0.1 ) ) +\ntexture2D( occlusionMap, vec2( 0.5, 0.1 ) ) +\ntexture2D( occlusionMap, vec2( 0.9, 0.1 ) ) +\ntexture2D( occlusionMap, vec2( 0.9, 0.5 ) ) +\ntexture2D( occlusionMap, vec2( 0.9, 0.9 ) ) +\ntexture2D( occlusionMap, vec2( 0.5, 0.9 ) ) +\ntexture2D( occlusionMap, vec2( 0.1, 0.9 ) ) +\ntexture2D( occlusionMap, vec2( 0.1, 0.5 ) ) +\ntexture2D( occlusionMap, vec2( 0.5, 0.5 ) );\nvVisibility = (       visibility.r / 9.0 ) *\n( 1.0 - visibility.g / 9.0 ) *\n(       visibility.b / 9.0 ) *\n( 1.0 - visibility.a / 9.0 );\npos.x = cos( rotation ) * position.x - sin( rotation ) * position.y;\npos.y = sin( rotation ) * position.x + cos( rotation ) * position.y;\n}\ngl_Position = vec4( ( pos * scale + screenPosition.xy ).xy, screenPosition.z, 1.0 );\n}",fragmentShader:"precision mediump float;\nuniform sampler2D map;\nuniform float opacity;\nuniform int renderType;\nuniform vec3 color;\nvarying vec2 vUV;\nvarying float vVisibility;\nvoid main() {\nif( renderType == 0 ) {\ngl_FragColor = vec4( 1.0, 0.0, 1.0, 0.0 );\n} else if( renderType == 1 ) {\ngl_FragColor = texture2D( map, vUV );\n} else {\nvec4 texture = texture2D( map, vUV );\ntexture.a *= opacity * vVisibility;\ngl_FragColor = texture;\ngl_FragColor.rgb *= color;\n}\n}"},
+lensFlare:{vertexShader:"uniform vec3 screenPosition;\nuniform vec2 scale;\nuniform float rotation;\nuniform int renderType;\nattribute vec2 position;\nattribute vec2 uv;\nvarying vec2 vUV;\nvoid main() {\nvUV = uv;\nvec2 pos = position;\nif( renderType == 2 ) {\npos.x = cos( rotation ) * position.x - sin( rotation ) * position.y;\npos.y = sin( rotation ) * position.x + cos( rotation ) * position.y;\n}\ngl_Position = vec4( ( pos * scale + screenPosition.xy ).xy, screenPosition.z, 1.0 );\n}",fragmentShader:"precision mediump float;\nuniform sampler2D map;\nuniform sampler2D occlusionMap;\nuniform float opacity;\nuniform int renderType;\nuniform vec3 color;\nvarying vec2 vUV;\nvoid main() {\nif( renderType == 0 ) {\ngl_FragColor = vec4( texture2D( map, vUV ).rgb, 0.0 );\n} else if( renderType == 1 ) {\ngl_FragColor = texture2D( map, vUV );\n} else {\nfloat visibility = texture2D( occlusionMap, vec2( 0.5, 0.1 ) ).a +\ntexture2D( occlusionMap, vec2( 0.9, 0.5 ) ).a +\ntexture2D( occlusionMap, vec2( 0.5, 0.9 ) ).a +\ntexture2D( occlusionMap, vec2( 0.1, 0.5 ) ).a;\nvisibility = ( 1.0 - visibility / 4.0 );\nvec4 texture = texture2D( map, vUV );\ntexture.a *= opacity * visibility;\ngl_FragColor = texture;\ngl_FragColor.rgb *= color;\n}\n}"}};
+THREE.ShaderSprite={sprite:{vertexShader:"uniform int useScreenCoordinates;\nuniform int affectedByDistance;\nuniform vec3 screenPosition;\nuniform mat4 modelViewMatrix;\nuniform mat4 projectionMatrix;\nuniform float rotation;\nuniform vec2 scale;\nuniform vec2 alignment;\nuniform vec2 uvOffset;\nuniform vec2 uvScale;\nattribute vec2 position;\nattribute vec2 uv;\nvarying vec2 vUV;\nvoid main() {\nvUV = uvOffset + uv * uvScale;\nvec2 alignedPosition = position + alignment;\nvec2 rotatedPosition;\nrotatedPosition.x = ( cos( rotation ) * alignedPosition.x - sin( rotation ) * alignedPosition.y ) * scale.x;\nrotatedPosition.y = ( sin( rotation ) * alignedPosition.x + cos( rotation ) * alignedPosition.y ) * scale.y;\nvec4 finalPosition;\nif( useScreenCoordinates != 0 ) {\nfinalPosition = vec4( screenPosition.xy + rotatedPosition, screenPosition.z, 1.0 );\n} else {\nfinalPosition = projectionMatrix * modelViewMatrix * vec4( 0.0, 0.0, 0.0, 1.0 );\nfinalPosition.xy += rotatedPosition * ( affectedByDistance == 1 ? 1.0 : finalPosition.z );\n}\ngl_Position = finalPosition;\n}",
+fragmentShader:"precision mediump float;\nuniform vec3 color;\nuniform sampler2D map;\nuniform float opacity;\nuniform int fogType;\nuniform vec3 fogColor;\nuniform float fogDensity;\nuniform float fogNear;\nuniform float fogFar;\nvarying vec2 vUV;\nvoid main() {\nvec4 texture = texture2D( map, vUV );\ngl_FragColor = vec4( color * texture.xyz, texture.a * opacity );\nif ( fogType > 0 ) {\nfloat depth = gl_FragCoord.z / gl_FragCoord.w;\nfloat fogFactor = 0.0;\nif ( fogType == 1 ) {\nfogFactor = smoothstep( fogNear, fogFar, depth );\n} else {\nconst float LOG2 = 1.442695;\nfloat fogFactor = exp2( - fogDensity * fogDensity * depth * depth * LOG2 );\nfogFactor = 1.0 - clamp( fogFactor, 0.0, 1.0 );\n}\ngl_FragColor = mix( gl_FragColor, vec4( fogColor, gl_FragColor.w ), fogFactor );\n}\n}"}};
+var tQuery=function(a,b){if(2===arguments.length&&(arguments[0]instanceof THREE.Geometry||arguments[0]instanceof THREE.BufferGeometry||arguments[0]instanceof tQuery.Geometry)&&(arguments[1]instanceof THREE.Material||arguments[1]instanceof tQuery.Material)){var c=arguments[0]instanceof tQuery.Geometry?arguments[0].get(0):arguments[0],d=arguments[1]instanceof tQuery.Material?arguments[1].get(0):arguments[1],c=new THREE.Mesh(c,d);return tQuery(c)}c=Array.isArray(a)?a[0]:a;if(c instanceof THREE.Mesh&&
+tQuery.Mesh)return new tQuery.Mesh(a);if(c instanceof THREE.DirectionalLight&&tQuery.DirectionalLight)return new tQuery.DirectionalLight(a);if(c instanceof THREE.AmbientLight&&tQuery.AmbientLight)return new tQuery.AmbientLight(a);if(c instanceof THREE.Light&&tQuery.Light)return new tQuery.Light(a);if(c instanceof THREE.Object3D&&tQuery.Object3D)return new tQuery.Object3D(a);if(c instanceof THREE.Geometry&&tQuery.Geometry)return new tQuery.Geometry(a);if(c instanceof THREE.Material&&tQuery.Material)return new tQuery.Material(a);
+if("string"===typeof c&&tQuery.Object3D)return new tQuery.Object3D(a,b);console.assert(!1,"unsupported type")};tQuery.VERSION="r53.0";tQuery.data=function(a,b,c,d){console.assert(a,"invalid parameters");console.assert("string"===typeof b,"invalid parameters");a._tqData=a._tqData||{};d&&console.assert(void 0===a._tqData[b],"This key already exists "+b);c&&(a._tqData[b]=c);return a._tqData[b]};
+tQuery.removeData=function(a,b,c){b instanceof Array?b.forEach(function(b){tQuery.removeData(a,b)}):(console.assert("string"===typeof b),c&&console.assert(void 0!==a._tqData[b],"This key doesnt already exists "+b),delete a._tqData[b])};tQuery.each=function(a,b){for(var c=0;c<a.length;c++)if(!1===b(a[c]))return!1;return!0};
+tQuery.now=function(){var a=window.performance||{};return a.now?function(){return a.timing.navigationStart+a.now()}:a.mozNow?function(){return a.timing.navigationStart+a.mozNow()}:a.webkitNow?function(){return a.timing.navigationStart+a.webkitNow()}:a.mskitNow?function(){return a.timing.navigationStart+a.msNow()}:a.okitNow?function(){return a.timing.navigationStart+a.oNow()}:function(){return Date.now}}();
+tQuery.inherit=function(a,b){var c=function(){};c.prototype=b.prototype;a.prototype=new c;a.parent=b.prototype;a.prototype.constructor=a};tQuery.extend=function(a,b,c){function d(a,b){Object.keys(b).forEach(function(c){a[c]=b[c]})}function e(a,b){for(var c in b)b[c]&&b[c].constructor&&b[c].constructor===Object?(a[c]=a[c]||{},arguments.callee(a[c],b[c])):a[c]=b[c];return a}c=(void 0!==c?c:1)?e:d;var f={};b&&c(f,b);a&&c(f,a);return f};
+tQuery._pluginsOn=function(a,b,c){b=b||a.prototype||a;c=c||"";console.assert(void 0===a["register"+c]);console.assert(void 0===a["unregister"+c]);console.assert(void 0===a["registered"+c]);a["register"+c]=function(a,c){console.assert(void 0===b[a],"Conflict! Already method called: "+a);b[a]=c};a["unregister"+c]=function(a){if(!1===b.hasOwnProperty(a))throw Error("Plugin not found: "+a);delete b[a]};a["registered"+c]=function(a){return!0===b.hasOwnProperty(a)}};
+tQuery.pluginsInstanceOn=function(a){tQuery._pluginsOn(a,void 0,"Instance")};tQuery.pluginsStaticOn=function(a){tQuery._pluginsOn(a,a,"Static")};tQuery.pluginsStaticOn(tQuery,tQuery);
+tQuery.mixinAttributes=function(a,b){a.prototype._attrProps=tQuery.extend(a.prototype._attrProps,b);a.prototype.attr=function(a,b){a instanceof Object&&void 0===b?Object.keys(a).forEach(function(b){this.attr(b,a[b])}.bind(this)):"string"===typeof a?console.assert(-1!==Object.keys(this._attrProps).indexOf(a),"invalid property name:"+a):console.assert(!1,"invalid parameter");return void 0!==b?(b=(0,this._attrProps[a])(b),this.each(function(e){e[a]=b}),this):0===this.length?void 0:this.get(0)[a]};Object.keys(b).forEach(function(b){a.prototype[b]=
+function(a){return this.attr(b,a)}}.bind(this))};tQuery.Flow=function(){var a,b=[],c=setTimeout(function(){c=null;a._next()},0);return a={destroy:function(){c&&clearTimeout(c)},par:function(c,e){!e&&b[b.length-1]instanceof Array||b.push([]);b[b.length-1].push(c);return a},seq:function(b){return a.par(b,!0)},_next:function(c,e){var f=[],g=[],h=b.shift()||[],l=h.length,k=1==l;h&&h.forEach(function(b,h){b(function(b,c){f[h]=b;g[h]=c;0==--l&&a._next(k?f[0]:f,k?g[0]:g)},c,e)})}}};
+tQuery.MicroeventMixin=function(a){a.bind=function(a,c){void 0===this._events&&(this._events={});this._events[a]=this._events[a]||[];this._events[a].push(c);return c};a.unbind=function(a,c){void 0===this._events&&(this._events={});!1!==a in this._events&&this._events[a].splice(this._events[a].indexOf(c),1)};a.trigger=function(a){void 0===this._events&&(this._events={});if(void 0!==this._events[a])for(var c=this._events[a].slice(),d=0;d<c.length;d++)c[d].apply(this,Array.prototype.slice.call(arguments,
+1))};a.addEventListener=function(a,c){this.bind(a,c);return this};a.removeEventListener=function(a,c){this.unbind(a,c);return this};a.dispatchEvent=function(a){this.trigger.apply(this,arguments);return this}};tQuery.convert={};tQuery.convert.toThreeColor=function(a){if(1===arguments.length&&"number"===typeof a)return new THREE.Color(a);if(1===arguments.length&&a instanceof THREE.Color)return a;console.assert(!1,"invalid parameter")};
+tQuery.convert.toNumber=function(a){if(1===arguments.length&&"number"===typeof a)return a;console.assert(!1,"invalid parameter")};tQuery.convert.toNumberZeroToOne=function(a){if(1===arguments.length&&"number"===typeof a)return a=Math.min(a,1),a=Math.max(a,0);console.assert(!1,"invalid parameter")};tQuery.convert.toInteger=function(a){if(1===arguments.length&&"number"===typeof a)return a=Math.floor(a);console.assert(!1,"invalid parameter")};tQuery.convert.identity=function(a){return a};
+tQuery.convert.toBoolean=function(a){if(1===arguments.length&&"boolean"===typeof a)return a;console.assert(!1,"invalid parameter")};tQuery.convert.toString=function(a){if(1===arguments.length&&"string"===typeof a)return a;console.assert(!1,"invalid parameter")};
+tQuery.convert.toTexture=function(a){if(1===arguments.length&&a instanceof THREE.Texture)return a;if(1===arguments.length&&"string"===typeof a)return THREE.ImageUtils.loadTexture(a);if(1===arguments.length&&(a instanceof Image||a instanceof HTMLCanvasElement)){var b=new THREE.Texture(a);b.needsUpdate=!0;return b}console.assert(!1,"invalid parameter")};tQuery.Node=function(a){this._lists=a instanceof Array?a:a?[a]:[];this.length=this._lists.length};
+tQuery.Node.prototype.get=function(a){if(void 0===a)return this._lists;console.assert(this._lists[a],"element not defined");return this._lists[a]};tQuery.Node.prototype.each=function(a){return tQuery.each(this._lists,a)};tQuery.Node.prototype.back=function(a){if(void 0===a)return this._back;this._back=a;return this};tQuery.Node.prototype.data=function(a,b){if(b)return this.each(function(c){tQuery.data(c,a,b)}),this;if(0<this.length)return tQuery.data(this.get(0),a);console.assert(0===this.length)};
+tQuery.Node.prototype.removeData=function(a){this.each(function(b){tQuery.removeData(b,a)});return this};tQuery.Object3D=function(a,b){"string"===typeof a&&(a=tQuery.Object3D._select(a,b));tQuery.Object3D.parent.constructor.call(this,a);this._lists.forEach(function(a){console.assert(a instanceof THREE.Object3D)})};tQuery.inherit(tQuery.Object3D,tQuery.Node);tQuery.pluginsInstanceOn(tQuery.Object3D);
+tQuery.mixinAttributes(tQuery.Object3D,{eulerOrder:tQuery.convert.toString,doubleSided:tQuery.convert.toBoolean,flipSided:tQuery.convert.toBoolean,rotationAutoUpdate:tQuery.convert.toBoolean,matrixAutoUpdate:tQuery.convert.toBoolean,matrixWorldNeedsUpdate:tQuery.convert.toBoolean,useQuaternion:tQuery.convert.toBoolean,visible:tQuery.convert.toBoolean,receiveShadow:tQuery.convert.toBoolean,castShadow:tQuery.convert.toBoolean});
+tQuery.Object3D.prototype.traverseHierarchy=function(a){this.each(function(b){THREE.SceneUtils.traverseHierarchy(b,function(b){a(b)})});return this};tQuery.Object3D.prototype.geometry=function(a){var b=[];this.each(function(a){b.push(a.geometry)});return(new tQuery.Geometry(b)).back(this)};tQuery.Object3D.prototype.material=function(){var a=[];this.each(function(b){a.push(b.material)});return new tQuery.Material(a)};
+tQuery.Object3D.prototype.clone=function(){var a=[];this._lists.forEach(function(b){b=b.clone();a.push(b)});return tQuery(a)};tQuery.Object3D.prototype.addTo=function(a){console.assert(a instanceof tQuery.World||a instanceof tQuery.Object3D||a instanceof THREE.Object3D);this.each(function(b){a.add(b)}.bind(this));return this};tQuery.Object3D.prototype.removeFrom=function(a){console.assert(a instanceof tQuery.World||a instanceof tQuery.Object3D);this.each(function(b){a.remove(b)}.bind(this));return this};
+tQuery.Object3D.prototype.detach=function(){this.each(function(a){a.parent&&a.parent.remove(a)}.bind(this));return this};tQuery.Object3D.prototype.add=function(a){a instanceof tQuery.Object3D?this.each(function(b){a.each(function(a){b.add(a)})}.bind(this)):a instanceof THREE.Object3D?this.each(function(b){b.add(a)}):console.assert(!1,"invalid parameter");return this};
+tQuery.Object3D.prototype.remove=function(a){a instanceof tQuery.Object3D?this.each(function(b){a.each(function(a){b.remove(a)})}.bind(this)):a instanceof THREE.Object3D?this.each(function(b){b.remove(a)}):console.assert(!1,"invalid parameter");return this};tQuery.Object3D.prototype.id=function(a){console.assert(1>=this.length,"tQuery.Object3D.id used on multi-elements");if(void 0!==a){if(0<this.length){var b=this.get(0);b._tqId=a}return this}if(0<this.length)return b=this.get(0),b._tqId};
+tQuery.Object3D.prototype.addClass=function(a){this.each(function(b){b._tqClasses=b._tqClasses||"";tQuery.Object3D._hasClassOne(b,a)||(b._tqClasses+=" "+a)}.bind(this));return this};tQuery.Object3D.prototype.removeClass=function(a){this.each(function(b){tQuery.Object3D._removeClassOne(b,a)}.bind(this));return this};tQuery.Object3D.prototype.hasClass=function(a){return this.each(function(b){b._tqClasses=b._tqClasses||"";return tQuery.Object3D._hasClassOne(b,a)?!1:!0}.bind(this))?!1:!0};
+tQuery.Object3D._hasClassOne=function(a,b){return void 0===a._tqClasses?!1:a._tqClasses.match(RegExp("(^| |\t)+("+b+")($| |\t)+"))?!0:!1};tQuery.Object3D._removeClassOne=function(a,b){void 0!==a._tqClasses&&(a._tqClasses=a._tqClasses.replace(RegExp("(^| |\t)("+b+")($| |\t)")," "))};
+tQuery.Object3D._select=function(a,b){b=b||tQuery.world.tScene();b instanceof tQuery.Object3D&&(b=b.get(0));var c=a.split(" ").filter(function(a){return 0<a.length});console.assert(b instanceof THREE.Object3D);var d=[];b.children.forEach(function(a){a=this._crawls(a,c);d=d.concat(a)}.bind(this));return d};
+tQuery.Object3D._crawls=function(a,b){var c=[];console.assert(1<=b.length);var d=this._selectItemMatch(a,b[0])?b.slice(1):b;if(0===d.length)return[a];a.children.forEach(function(a){a=this._crawls(a,d);c=c.concat(a)}.bind(this));return c};tQuery.Object3D._selectableGeometries=Object.keys(THREE).filter(function(a){return a.match(/.+Geometry$/)}).map(function(a){return a.replace(/Geometry$/,"").toLowerCase()});
+tQuery.Object3D._selectableLights=Object.keys(THREE).filter(function(a){return a.match(/.+Light$/)}).map(function(a){return a.replace(/Light$/,"").toLowerCase()});tQuery.Object3D._selectableClasses=["mesh","light"];
+tQuery.Object3D._selectItemMatch=function(a,b){console.assert(a instanceof THREE.Object3D);console.assert("string"===typeof b);var c=b.match(/([^.#]+|.[^.#]+|#[^.#]+)/g);return tQuery.each(c,function(b){var c=b.charAt(0),f=b.slice(1);if("."===c)return tQuery.Object3D._hasClassOne(a,f)?!0:!1;if("#"===c)return a._tqId===f?!0:!1;if("*"===b)return!0;if(-1!==this._selectableGeometries.indexOf(b))return c=a.geometry,b=b.charAt(0).toUpperCase()+b.slice(1)+"Geometry",c instanceof THREE[b];if(-1!==this._selectableLights.indexOf(b))return b=
+b.charAt(0).toUpperCase()+b.slice(1)+"Light",a instanceof THREE[b];if(-1!==this._selectableClasses.indexOf(b))return b=b.charAt(0).toUpperCase()+b.slice(1),a instanceof THREE[b];console.assert(!1,"invalid selector: "+b);return!0}.bind(this))?!0:!1};tQuery.Geometry=function(a){tQuery.Geometry.parent.constructor.call(this,a);this._lists.forEach(function(a){console.assert(a instanceof THREE.Geometry)})};tQuery.inherit(tQuery.Geometry,tQuery.Node);tQuery.pluginsInstanceOn(tQuery.Geometry);
+tQuery.mixinAttributes(tQuery.Geometry,{hasTangents:tQuery.convert.toBoolean,dynamic:tQuery.convert.toBoolean});tQuery.Material=function(a){tQuery.Material.parent.constructor.call(this,a);this._lists.forEach(function(a){console.assert(a instanceof THREE.Material)})};tQuery.inherit(tQuery.Material,tQuery.Node);tQuery.pluginsInstanceOn(tQuery.Material);tQuery.mixinAttributes(tQuery.Material,{opacity:tQuery.convert.toNumber,transparent:tQuery.convert.toBoolean});
+tQuery.Light=function(a){tQuery.Light.parent.constructor.call(this,a);this._lists.forEach(function(a){console.assert(a instanceof THREE.Light)})};tQuery.inherit(tQuery.Light,tQuery.Object3D);tQuery.pluginsInstanceOn(tQuery.Light);tQuery.mixinAttributes(tQuery.Light,{color:tQuery.convert.toThreeColor});tQuery.Mesh=function(a){tQuery.Mesh.parent.constructor.call(this,a);this._lists.forEach(function(a){console.assert(a instanceof THREE.Mesh)})};tQuery.inherit(tQuery.Mesh,tQuery.Object3D);tQuery.pluginsInstanceOn(tQuery.Mesh);
+tQuery.Mesh.prototype.material=function(a){var b=tQuery.Mesh.parent;if(void 0==a)return b.material.call(this);a instanceof tQuery.Material&&(a=a.get(0));console.assert(a instanceof THREE.Material);this.each(function(b){b.material=a});return this};tQuery.registerStatic("createSprite",function(a){a=tQuery.extend(a,{useScreenCoordinates:!1});a=new THREE.Sprite(a);return new tQuery.Sprite(a)});
+tQuery.registerStatic("Sprite",function(a){tQuery.Sprite.parent.constructor.call(this,a);this._lists.forEach(function(a){console.assert(a instanceof THREE.Sprite)})});tQuery.inherit(tQuery.Sprite,tQuery.Object3D);tQuery.mixinAttributes(tQuery.Sprite,{color:tQuery.convert.toThreeColor,map:tQuery.convert.toTexture,useScreenCoordinates:tQuery.convert.toBoolean});
+tQuery.World=function(a){a=a||{};this._opts=a=tQuery.extend(a,{renderW:window.innerWidth,renderH:window.innerHeight,webGLNeeded:!0,autoRendering:!0,scene:null,camera:null,renderer:null});console.assert(!tQuery.word);tQuery.world=this;this._autoRendering=!0;this._scene=a.scene||new THREE.Scene;a.camera?this._camera=a.camera:(this._camera=new THREE.PerspectiveCamera(35,a.renderW/a.renderH,0.01,1E4),this._camera.position.set(0,0,3),this._scene.add(this._camera));this._loop=new tQuery.Loop;this._$loopCb=
+this._loop.hookOnRender(function(a,c){this.render(a)}.bind(this));if(a.renderer)this._renderer=a.renderer;else if(tQuery.World.hasWebGL())this._renderer=new THREE.WebGLRenderer({antialias:!0,preserveDrawingBuffer:!0});else{if(a.webGLNeeded)throw this._addGetWebGLMessage(),Error("WebGL required and not available");this._renderer=new THREE.CanvasRenderer}this._renderer.setClearColorHex(12303291,1);this._renderer.setSize(a.renderW,a.renderH)};tQuery.pluginsInstanceOn(tQuery.World);tQuery.MicroeventMixin(tQuery.World.prototype);
+tQuery.World.prototype.destroy=function(){this.trigger("destroy");this._loop.unhookOnRender(this._$loopCb);this._loop.destroy();this.removeCameraControls();var a=this._renderer.domElement.parentElement;a&&a.removeChild(this._renderer.domElement);tQuery.world===this&&(tQuery.world=null)};tQuery.World._hasWebGL=void 0;
+tQuery.World.hasWebGL=function(){if(void 0!==tQuery.World._hasWebGL)return tQuery.World._hasWebGL;try{tQuery.World._hasWebGL=!!window.WebGLRenderingContext&&!!document.createElement("canvas").getContext("experimental-webgl")}catch(a){tQuery.World._hasWebGL=!1}return tQuery.World._hasWebGL};
+tQuery.World.prototype._addGetWebGLMessage=function(a){a=a||document.body;var b=document.createElement("div");b.style.fontFamily="monospace";b.style.fontSize="13px";b.style.textAlign="center";b.style.background="#eee";b.style.color="#000";b.style.padding="1em";b.style.width="475px";b.style.margin="5em auto 0";b.innerHTML=window.WebGLRenderingContext?'Your graphics card does not seem to support <a href="http://khronos.org/webgl/wiki/Getting_a_WebGL_Implementation">WebGL</a>.<br />\nFind out how to get it <a href="http://get.webgl.org/">here</a>.':
+'Your browser does not seem to support <a href="http://khronos.org/webgl/wiki/Getting_a_WebGL_Implementation">WebGL</a>.<br/>\nFind out how to get it <a href="http://get.webgl.org/">here</a>.';a.appendChild(b)};tQuery.World.prototype.setCameraControls=function(a){this.hasCameraControls()&&this.removeCameraControls();this._cameraControls=a;return this};tQuery.World.prototype.getCameraControls=function(){return this._cameraControls};
+tQuery.World.prototype.removeCameraControls=function(){if(!1===this.hasCameraControls())return this;this._cameraControls=void 0;return this};tQuery.World.prototype.hasCameraControls=function(){return void 0!==this._cameraControls?!0:!1};tQuery.World.prototype.add=function(a){a instanceof tQuery.Object3D?a.each(function(a){this._scene.add(a)}.bind(this)):a instanceof THREE.Object3D?this._scene.add(a):console.assert(!1,"invalid type");return this};
+tQuery.World.prototype.remove=function(a){a instanceof tQuery.Object3D?a.each(function(a){this._scene.remove(a)}.bind(this)):a instanceof THREE.Object3D?this._scene.remove(a):console.assert(!1,"invalid type");return this};tQuery.World.prototype.appendTo=function(a){a.appendChild(this._renderer.domElement);return this};tQuery.World.prototype.start=function(){this._loop.start();return this};tQuery.World.prototype.stop=function(){this._loop.stop();return this};tQuery.World.prototype.loop=function(){return this._loop};
+tQuery.World.prototype.tRenderer=function(){return this._renderer};tQuery.World.prototype.tScene=function(){return this._scene};tQuery.World.prototype.tCamera=function(){return this._camera};tQuery.World.prototype.renderer=function(){console.trace();console.warn("world.renderer() is ovbslete, use .tRenderer() instead");return this._renderer};tQuery.World.prototype.camera=function(){console.trace();console.warn("world.camera() is obsolete, use .tCamerar() instead");return this._camera};
+tQuery.World.prototype.scene=function(){console.trace();console.warn("world.scene() is obsolete, use .tScene() instead");return this._scene};tQuery.World.prototype.get=function(){return this._scene};tQuery.World.prototype.autoRendering=function(a){if(void 0===a)return this._autoRendering;this._autoRendering=a;return this};tQuery.World.prototype.render=function(a){this.hasCameraControls()&&this._cameraControls.update(a);this._autoRendering&&this._renderer.render(this._scene,this._camera)};
+tQuery.Loop=function(){this._hooks=[];this._lastTime=null};tQuery.pluginsInstanceOn(tQuery.Loop);tQuery.Loop.prototype.destroy=function(){this.stop()};tQuery.Loop.prototype.start=function(){this._timerId&&this.stop();this._timerId=requestAnimationFrame(this._onAnimationFrame.bind(this));return this};tQuery.Loop.prototype.stop=function(){cancelAnimationFrame(this._timerId);this._timerId=null;return this};
+tQuery.Loop.prototype._onAnimationFrame=function(){this._timerId=requestAnimationFrame(this._onAnimationFrame.bind(this));var a=tQuery.now()/1E3;this._lastTime||(this._lastTime=a-1/60);var b=a-this._lastTime;this._lastTime=a;for(var c=0;c<=this._hooks.length;c++)if(void 0!==this._hooks[c])for(var d=this._hooks[c].slice(0),e=0;e<d.length;e++)d[e](b,a)};tQuery.Loop.prototype.PRE_RENDER=20;tQuery.Loop.prototype.ON_RENDER=50;tQuery.Loop.prototype.POST_RENDER=80;
+tQuery.Loop.prototype.hook=function(a,b){"function"===typeof a&&(b=a,a=this.PRE_RENDER);this._hooks[a]=this._hooks[a]||[];console.assert(-1===this._hooks[a].indexOf(b));this._hooks[a].push(b);return b};tQuery.Loop.prototype.unhook=function(a,b){"function"===typeof a&&(b=a,a=this.PRE_RENDER);var c=this._hooks[a].indexOf(b);console.assert(-1!==c);this._hooks[a].splice(c,1);0===this._hooks[a].length&&delete this._hooks[a];return this};
+tQuery.Loop.prototype.hookPreRender=function(a){return this.hook(this.PRE_RENDER,a)};tQuery.Loop.prototype.hookOnRender=function(a){return this.hook(this.ON_RENDER,a)};tQuery.Loop.prototype.hookPostRender=function(a){return this.hook(this.POST_RENDER,a)};tQuery.Loop.prototype.unhookPreRender=function(a){return this.unhook(this.PRE_RENDER,a)};tQuery.Loop.prototype.unhookOnRender=function(a){return this.unhook(this.ON_RENDER,a)};
+tQuery.Loop.prototype.unhookPostRender=function(a){return this.unhook(this.POST_RENDER,a)};tQuery.registerStatic("createWorld",function(a){return new tQuery.World(a)});tQuery.registerStatic("createObject3D",function(){var a=new THREE.Object3D;return tQuery(a)});tQuery.registerStatic("createLoop",function(a){return new tQuery.Loop(a)});tQuery.registerStatic("createDirectionalLight",function(){var a=new THREE.DirectionalLight;return new tQuery.DirectionalLight([a])});
+tQuery.registerStatic("createSpotLight",function(){var a=new THREE.SpotLight;return new tQuery.SpotLight([a])});tQuery.registerStatic("createPointLight",function(){var a=new THREE.PointLight;return new tQuery.PointLight([a])});tQuery.registerStatic("createAmbientLight",function(){var a=new THREE.AmbientLight;return new tQuery.AmbientLight([a])});tQuery.registerStatic("defaultObject3DMaterial",new THREE.MeshNormalMaterial);
+tQuery.Geometry.prototype.toMesh=function(a){var b=[];this.each(function(c){a=a||tQuery.defaultObject3DMaterial;c=new THREE.Mesh(c,a);b.push(c)});return new tQuery.Mesh(b)};tQuery.registerStatic("createCube",function(){return this._createMesh(THREE.CubeGeometry,[1,1,1],arguments)});tQuery.registerStatic("createTorus",function(){return this._createMesh(THREE.TorusGeometry,[0.35,0.15],arguments)});tQuery.registerStatic("createVector3",function(a,b,c){return new THREE.Vector3(a,b,c)});
+tQuery.registerStatic("createVector2",function(a,b){return new THREE.Vector2(a,b)});tQuery.registerStatic("createSphere",function(){return this._createMesh(THREE.SphereGeometry,[0.5,32,16],arguments)});tQuery.registerStatic("createPlane",function(){return this._createMesh(THREE.PlaneGeometry,[1,1,16,16],arguments)});tQuery.registerStatic("createCylinder",function(){return this._createMesh(THREE.CylinderGeometry,[0.5,0.5,1,16,4],arguments)});
+tQuery.registerStatic("_createMesh",function(a,b,c){c=Array.prototype.slice.call(c);var d=tQuery.defaultObject3DMaterial;c.length&&c[c.length-1]instanceof THREE.Material&&(d=c.pop());0===c.length&&(c=b.slice());c.unshift(a);a=function(a,b,c,d,l,k,q,s,t){console.assert(9>=arguments.length);return new a(b,c,d,l,k,q,s,t)}.apply(this,c);a.dynamic=!0;d=new THREE.Mesh(a,d);return tQuery(d)});tQuery.registerStatic("createAxis",function(){var a=new THREE.AxisHelper;a.scale.multiplyScalar(0.01);return tQuery(a)});
+tQuery.AmbientLight=function(a){tQuery.AmbientLight.parent.constructor.call(this,a);this._lists.forEach(function(a){console.assert(a instanceof THREE.AmbientLight)})};tQuery.inherit(tQuery.AmbientLight,tQuery.Light);tQuery.pluginsInstanceOn(tQuery.AmbientLight);tQuery.DirectionalLight=function(a){tQuery.DirectionalLight.parent.constructor.call(this,a);this._lists.forEach(function(a){console.assert(a instanceof THREE.DirectionalLight)})};tQuery.inherit(tQuery.DirectionalLight,tQuery.Light);tQuery.pluginsInstanceOn(tQuery.DirectionalLight);
+tQuery.mixinAttributes(tQuery.DirectionalLight,{intensity:tQuery.convert.toNumber,distance:tQuery.convert.toNumber,shadowDarkness:tQuery.convert.toNumberZeroToOne,shadowBias:tQuery.convert.toNumber,shadowMapWidth:tQuery.convert.toInteger,shadowMapHeight:tQuery.convert.toInteger,shadowCameraRight:tQuery.convert.toNumber,shadowCameraLeft:tQuery.convert.toNumber,shadowCameraTop:tQuery.convert.toNumber,shadowCameraBottom:tQuery.convert.toNumber,shadowCameraVisible:tQuery.convert.toBoolean,shadowCameraNear:tQuery.convert.toNumber,
+shadowCameraFar:tQuery.convert.toNumber});tQuery.PointLight=function(a){tQuery.PointLight.parent.constructor.call(this,a);this._lists.forEach(function(a){console.assert(a instanceof THREE.PointLight)})};tQuery.inherit(tQuery.PointLight,tQuery.Light);tQuery.pluginsInstanceOn(tQuery.PointLight);tQuery.mixinAttributes(tQuery.PointLight,{intensity:tQuery.convert.toNumber,distance:tQuery.convert.toNumber});
+tQuery.SpotLight=function(a){tQuery.SpotLight.parent.constructor.call(this,a);this._lists.forEach(function(a){console.assert(a instanceof THREE.SpotLight)})};tQuery.inherit(tQuery.SpotLight,tQuery.Light);tQuery.pluginsInstanceOn(tQuery.SpotLight);
+tQuery.mixinAttributes(tQuery.SpotLight,{intensity:tQuery.convert.toNumber,distance:tQuery.convert.toNumber,angle:tQuery.convert.toNumber,exponent:tQuery.convert.toNumber,onlyShadow:tQuery.convert.toBoolean,shadowDarkness:tQuery.convert.toNumberZeroToOne,shadowBias:tQuery.convert.toNumber,shadowMapWidth:tQuery.convert.toInteger,shadowMapHeight:tQuery.convert.toInteger,shadowCameraRight:tQuery.convert.toNumber,shadowCameraLeft:tQuery.convert.toNumber,shadowCameraTop:tQuery.convert.toNumber,shadowCameraBottom:tQuery.convert.toNumber,
+shadowCameraVisible:tQuery.convert.toBoolean});tQuery.Mesh.registerInstance("setBasicMaterial",function(a){a=tQuery.createMeshBasicMaterial(a);this.material(a.get(0));return a.back(this)});tQuery.registerStatic("createMeshBasicMaterial",function(a){a=new THREE.MeshBasicMaterial(a);return new tQuery.MeshBasicMaterial(a)});tQuery.MeshBasicMaterial=function(a){tQuery.MeshBasicMaterial.parent.constructor.call(this,a);this._lists.forEach(function(a){console.assert(a instanceof THREE.MeshBasicMaterial)})};
+tQuery.inherit(tQuery.MeshBasicMaterial,tQuery.Material);tQuery.mixinAttributes(tQuery.MeshBasicMaterial,{color:tQuery.convert.toThreeColor,ambient:tQuery.convert.toThreeColor,map:tQuery.convert.toTexture,envMap:tQuery.convert.toTexture,wireframe:tQuery.convert.toBoolean,wireframeLinewidth:tQuery.convert.toInteger,wireframeLinecap:tQuery.convert.toString});tQuery.Mesh.registerInstance("setLambertMaterial",function(a){a=tQuery.createMeshLambertMaterial(a);this.material(a.get(0));return a.back(this)});
+tQuery.registerStatic("createMeshLambertMaterial",function(a){a=new THREE.MeshLambertMaterial(a);return new tQuery.MeshLambertMaterial(a)});tQuery.MeshLambertMaterial=function(a){tQuery.MeshLambertMaterial.parent.constructor.call(this,a);this._lists.forEach(function(a){console.assert(a instanceof THREE.MeshLambertMaterial)})};tQuery.inherit(tQuery.MeshLambertMaterial,tQuery.Material);
+tQuery.mixinAttributes(tQuery.MeshLambertMaterial,{color:tQuery.convert.toThreeColor,ambient:tQuery.convert.toThreeColor,map:tQuery.convert.toTexture,bumpMap:tQuery.convert.toTexture,bumpScale:tQuery.convert.toNumber,side:tQuery.convert.identity});tQuery.Mesh.registerInstance("setNormalMaterial",function(a){a=tQuery.createMeshNormalMaterial(a);this.material(a.get(0));return a.back(this)});tQuery.registerStatic("createMeshNormalMaterial",function(a){a=new THREE.MeshNormalMaterial(a);return new tQuery.MeshNormalMaterial(a)});
+tQuery.MeshNormalMaterial=function(a){tQuery.MeshNormalMaterial.parent.constructor.call(this,a);this._lists.forEach(function(a){console.assert(a instanceof THREE.MeshNormalMaterial)})};tQuery.inherit(tQuery.MeshNormalMaterial,tQuery.Material);tQuery.Mesh.registerInstance("setPhongMaterial",function(a){a=tQuery.createMeshPhongMaterial(a);this.material(a.get(0));return a.back(this)});tQuery.registerStatic("createMeshPhongMaterial",function(a){a=new THREE.MeshPhongMaterial(a);return new tQuery.MeshPhongMaterial(a)});
+tQuery.MeshPhongMaterial=function(a){tQuery.MeshPhongMaterial.parent.constructor.call(this,a);this._lists.forEach(function(a){console.assert(a instanceof THREE.MeshPhongMaterial)})};tQuery.inherit(tQuery.MeshPhongMaterial,tQuery.Material);
+tQuery.mixinAttributes(tQuery.MeshPhongMaterial,{map:tQuery.convert.toTexture,color:tQuery.convert.toThreeColor,ambient:tQuery.convert.toThreeColor,emissive:tQuery.convert.toThreeColor,specular:tQuery.convert.toThreeColor,shininess:tQuery.convert.toNumber,bumpMap:tQuery.convert.toTexture,bumpScale:tQuery.convert.toNumber,metal:tQuery.convert.toBoolean,perPixel:tQuery.convert.toBoolean});
+(function(){tQuery.Geometry.registerInstance("computeAll",function(){this.each(function(a){a.computeBoundingSphere();a.computeBoundingBox();a.computeFaceNormals()});return this});tQuery.Geometry.registerInstance("scaleBy",function(a){"number"===typeof a&&1===arguments.length?a=new THREE.Vector3(a,a,a):"number"===typeof a&&3===arguments.length&&(a=new THREE.Vector3(arguments[0],arguments[1],arguments[2]));console.assert(a instanceof THREE.Vector3,"Geometry.vector3 parameter error");this.each(function(b){for(var c=
+0;c<b.vertices.length;c++)b.vertices[c].multiplySelf(a);b.verticesNeedUpdate=!0;b.computeBoundingBox()});return this});tQuery.Geometry.registerInstance("size",function(){console.assert(1>=this.length);if(0!==this.length){var a=this.get(0),b=new THREE.Vector3;b.x=a.boundingBox.max.x-a.boundingBox.min.x;b.y=a.boundingBox.max.y-a.boundingBox.min.y;b.z=a.boundingBox.max.z-a.boundingBox.min.z;return b}});tQuery.Geometry.registerInstance("normalize",function(){this.each(function(a){a=tQuery(a);var b=a.size();
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+a,1)});tQuery.Geometry.registerInstance("zoomZ",function(a){return this.zoom(1,1,a)})})();tQuery.Object3D.registerInstance("position",function(a){if(void 0===a)return this.get(0).position;"number"===typeof a&&3===arguments.length&&(a=new THREE.Vector3(arguments[0],arguments[1],arguments[2]));console.assert(a instanceof THREE.Vector3,"Object3D.position parameter error");this.each(function(b){b.position.copy(a)});return this});
+tQuery.Object3D.registerInstance("positionX",function(a){if(void 0===a)return this.get(0).position.x;console.assert("number"===typeof a&&1===arguments.length);this.each(function(b){b.position.x=a});return this});tQuery.Object3D.registerInstance("positionY",function(a){if(void 0===a)return this.get(0).position.y;console.assert("number"===typeof a&&1===arguments.length);this.each(function(b){b.position.y=a});return this});
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+tQuery.Object3D.registerInstance("translateX",function(a){return this.translate(a,0,0)});tQuery.Object3D.registerInstance("translateY",function(a){return this.translate(0,a,0)});tQuery.Object3D.registerInstance("translateZ",function(a){return this.translate(0,0,a)});
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+tQuery.Object3D.registerInstance("rotateX",function(a){return this.rotate(a,0,0)});tQuery.Object3D.registerInstance("rotateY",function(a){return this.rotate(0,a,0)});tQuery.Object3D.registerInstance("rotateZ",function(a){return this.rotate(0,0,a)});
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+tQuery.World.registerInstance("hasBoilerplate",function(){return void 0===tQuery.data(this,"_boilerplateCtx")?!1:!0});
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+c[v]()):c[k]()):(r=Gd.exec(k),s=c.cur(),r?(t=parseFloat(r[2]),u=r[3]||(m.cssNumber[l]?"":"px"),"px"!==u&&(m.style(this,l,(t||1)+u),s*=(t||1)/c.cur(),m.style(this,l,s+u)),r[1]&&(t=("-="===r[1]?-1:1)*t+s),c.custom(s,t,u)):c.custom(s,k,""));return!0}var g=m.speed(b,c,e);if(m.isEmptyObject(a))return this.each(g.complete,[!1]);a=m.extend({},a);return!1===g.queue?this.each(f):this.queue(g.queue,f)},stop:function(a,c,d){"string"!=typeof a&&(d=c,c=a,a=b);c&&!1!==a&&this.queue(a||"fx",[]);return this.each(function(){var b,
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+var a,b=m.css(this.elem,this.prop);return isNaN(a=parseFloat(b))?b&&"auto"!==b?b:0:a},custom:function(a,c,d){function e(a){return f.step(a)}var f=this,h=m.fx;this.startTime=Jc||g();this.end=c;this.now=this.start=a;this.pos=this.state=0;this.unit=d||this.unit||(m.cssNumber[this.prop]?"":"px");e.queue=this.options.queue;e.elem=this.elem;e.saveState=function(){m._data(f.elem,"fxshow"+f.prop)===b&&(f.options.hide?m._data(f.elem,"fxshow"+f.prop,f.start):f.options.show&&m._data(f.elem,"fxshow"+f.prop,f.end))};
+e()&&m.timers.push(e)&&!Hc&&(Hc=setInterval(h.tick,h.interval))},show:function(){var a=m._data(this.elem,"fxshow"+this.prop);this.options.orig[this.prop]=a||m.style(this.elem,this.prop);this.options.show=!0;a!==b?this.custom(this.cur(),a):this.custom("width"===this.prop||"height"===this.prop?1:0,this.cur());m(this.elem).show()},hide:function(){this.options.orig[this.prop]=m._data(this.elem,"fxshow"+this.prop)||m.style(this.elem,this.prop);this.options.hide=!0;this.custom(this.cur(),0)},step:function(a){var b,
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+null):a.currentStyle;for(var g=a.offsetTop,h=a.offsetLeft;(a=a.parentNode)&&a!==f&&a!==c&&(!m.support.fixedPosition||"fixed"!==d.position);)d=b?b.getComputedStyle(a,null):a.currentStyle,g-=a.scrollTop,h-=a.scrollLeft,a===e&&(g+=a.offsetTop,h+=a.offsetLeft,m.support.doesNotAddBorder&&(!m.support.doesAddBorderForTableAndCells||!qa.test(a.nodeName))&&(g+=parseFloat(d.borderTopWidth)||0,h+=parseFloat(d.borderLeftWidth)||0),e=a.offsetParent),m.support.subtractsBorderForOverflowNotVisible&&"visible"!==
+d.overflow&&(g+=parseFloat(d.borderTopWidth)||0,h+=parseFloat(d.borderLeftWidth)||0);if("relative"===d.position||"static"===d.position)g+=f.offsetTop,h+=f.offsetLeft;m.support.fixedPosition&&"fixed"===d.position&&(g+=Math.max(c.scrollTop,f.scrollTop),h+=Math.max(c.scrollLeft,f.scrollLeft));return{top:g,left:h}};m.fn.offset=function(a){if(arguments.length)return a===b?this:this.each(function(b){m.offset.setOffset(this,a,b)});var c=this[0],d=c&&c.ownerDocument;return d?c===d.body?m.offset.bodyOffset(c):
+cd(c,d,d.documentElement):null};m.offset={bodyOffset:function(a){var b=a.offsetTop,c=a.offsetLeft;m.support.doesNotIncludeMarginInBodyOffset&&(b+=parseFloat(m.css(a,"marginTop"))||0,c+=parseFloat(m.css(a,"marginLeft"))||0);return{top:b,left:c}},setOffset:function(a,b,c){var d=m.css(a,"position");"static"===d&&(a.style.position="relative");var e=m(a),f=e.offset(),g=m.css(a,"top"),h=m.css(a,"left"),k={},l={},q,r;("absolute"===d||"fixed"===d)&&-1<m.inArray("auto",[g,h])?(l=e.position(),q=l.top,r=l.left):
+(q=parseFloat(g)||0,r=parseFloat(h)||0);m.isFunction(b)&&(b=b.call(a,c,f));null!=b.top&&(k.top=b.top-f.top+q);null!=b.left&&(k.left=b.left-f.left+r);"using"in b?b.using.call(a,k):e.css(k)}};m.fn.extend({position:function(){if(!this[0])return null;var a=this[0],b=this.offsetParent(),c=this.offset(),d=Y.test(b[0].nodeName)?{top:0,left:0}:b.offset();c.top-=parseFloat(m.css(a,"marginTop"))||0;c.left-=parseFloat(m.css(a,"marginLeft"))||0;d.top+=parseFloat(m.css(b[0],"borderTopWidth"))||0;d.left+=parseFloat(m.css(b[0],
+"borderLeftWidth"))||0;return{top:c.top-d.top,left:c.left-d.left}},offsetParent:function(){return this.map(function(){for(var a=this.offsetParent||H.body;a&&!Y.test(a.nodeName)&&"static"===m.css(a,"position");)a=a.offsetParent;return a})}});m.each({scrollLeft:"pageXOffset",scrollTop:"pageYOffset"},function(a,d){var e=/Y/.test(d);m.fn[a]=function(f){return m.access(this,function(a,f,g){var h=c(a);if(g===b)return h?d in h?h[d]:m.support.boxModel&&h.document.documentElement[f]||h.document.body[f]:a[f];
+h?h.scrollTo(e?m(h).scrollLeft():g,e?g:m(h).scrollTop()):a[f]=g},a,f,arguments.length,null)}});m.each({Height:"height",Width:"width"},function(a,c){var d="client"+a,e="scroll"+a,f="offset"+a;m.fn["inner"+a]=function(){var a=this[0];return a?a.style?parseFloat(m.css(a,c,"padding")):this[c]():null};m.fn["outer"+a]=function(a){var b=this[0];return b?b.style?parseFloat(m.css(b,c,a?"margin":"border")):this[c]():null};m.fn[c]=function(a){return m.access(this,function(a,c,g){if(m.isWindow(a))return c=a.document,
+a=c.documentElement[d],m.support.boxModel&&a||c.body&&c.body[d]||a;if(9===a.nodeType)return c=a.documentElement,c[d]>=c[e]?c[d]:Math.max(a.body[e],c[e],a.body[f],c[f]);if(g===b)return a=m.css(a,c),c=parseFloat(a),m.isNumeric(c)?c:a;m(a).css(c,g)},c,a,arguments.length,null)}});a.jQuery=a.$=m;"function"==typeof define&&define.amd&&define.amd.jQuery&&define("jquery",[],function(){return m})})(window);var MicroEvent=function(){};
+MicroEvent.prototype={bind:function(a,b){this._events=this._events||{};this._events[a]=this._events[a]||[];this._events[a].push(b)},unbind:function(a,b){this._events=this._events||{};!1!==a in this._events&&this._events[a].splice(this._events[a].indexOf(b),1)},trigger:function(a){this._events=this._events||{};if(!1!==a in this._events)for(var b=0;b<this._events[a].length;b++)this._events[a][b].apply(this,Array.prototype.slice.call(arguments,1))}};
+MicroEvent.mixin=function(a){for(var b=["bind","unbind","trigger"],c=0;c<b.length;c++)a.prototype[b[c]]=MicroEvent.prototype[b[c]]};"undefined"!==typeof module&&"exports"in module&&(module.exports=MicroEvent);
+function microAjax(a,b,c){this.bindFunction=function(a,b){return function(){return a.apply(b,[b])}};this.stateChange=function(a){4==this.request.readyState&&this.callbackFunction(this.request.responseText)};this.getRequest=function(){return window.ActiveXObject?new ActiveXObject("Microsoft.XMLHTTP"):window.XMLHttpRequest?new XMLHttpRequest:!1};this.postBody=c||"";this.callbackFunction=b;this.url=a;if(this.request=this.getRequest())b=this.request,b.onreadystatechange=this.bindFunction(this.stateChange,
+this),""!==this.postBody?(b.open("POST",a,!0),b.setRequestHeader("X-Requested-With","XMLHttpRequest"),b.setRequestHeader("Content-type","application/x-www-form-urlencoded"),b.setRequestHeader("Connection","close")):b.open("GET",a,!0),b.send(this.postBody)}var \u03c0=Math.PI,\u03c4=2*\u03c0;(function(a){for(var b in a)if(!window[b])throw"Error: ThreeBox requires "+a[b];})({THREE:"Three.js",tQuery:"tQuery.js (bundle)"});window.ThreeBox={};
+window.threeBox=function(a,b){!a||a instanceof Node||(b=a,a=null);return tQuery.createWorld(b).threeBox(a,b)};MicroEvent.prototype.on=function(){MicroEvent.prototype.bind.apply(this,arguments);return this};MicroEvent.prototype.emit=function(){MicroEvent.prototype.trigger.apply(this,arguments);return this};MicroEvent.mixin=function(a){for(var b=["bind","unbind","trigger","on","emit"],c=0;c<b.length;c++)a.prototype[b[c]]=MicroEvent.prototype[b[c]]};tQuery.World.prototype.on=tQuery.World.prototype.addEventListener;
+tQuery.World.prototype.emit=tQuery.World.prototype.dispatchEvent;tQuery.World.registerInstance("threeBox",function(a,b){!a||a instanceof Node||(b=a,a=null);var c=a=a||document.body;a==document.body?(c.style.margin=0,c.style.padding=0,c.style.overflow="hidden"):(getComputedStyle(a),"static"==a.position&&(a.position="relative"));this.appendTo(c);this.addThreeBox(a,b||{});return this});
+tQuery.World.registerInstance("addThreeBox",function(a,b){console.assert(!0!==this.hasThreeBox());b=tQuery.extend(b,{cameraControls:!1,cursor:!0,controlClass:ThreeBox.OrbitControls,elementResize:!0,fullscreen:!0,screenshot:!0,stats:!0,scale:1});this.tRenderer().domElement.style.display="block";var c={};tQuery.data(this,"_threeBoxContext",c);var d=this.tCamera(),e=this.tRenderer();b.stats&&(c.stats=new Stats,c.stats.domElement.style.position="absolute",c.stats.domElement.style.left="10px",c.stats.domElement.style.top=
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+a,b)}.bind(this)));null!==b.cursor&&(c.cursor=ThreeBox.Cursor.bind(a,b));THREEx&&THREEx.Screenshot&&b.screenshot&&(c.screenshot=THREEx.Screenshot.bindKey(e));THREEx&&THREEx.FullScreen&&b.fullscreen&&THREEx.FullScreen.available()&&(c.fullscreen=THREEx.FullScreen.bindKey());c._$onDestroy=this.bind("destroy",function(){!1!==this.hasThreeBox()&&this.removeThreeBox()});return this});tQuery.World.registerInstance("hasThreeBox",function(){return void 0===tQuery.data(this,"_threeBoxContext")?!1:!0});
+tQuery.World.registerInstance("removeThreeBox",function(){var a=tQuery.data(this,"_threeBoxContext");if(void 0===a)return this;tQuery.removeData(this,"_threeBoxContext");this.unbind("destroy",this._$onDestroy);a.stats&&(document.body.removeChild(a.stats.domElement),this.loop().unhook(a.loopStats));a.cameraControls&&this.removeCameraControls()&&a.cameraControls.stop();a.elementResize&&a.elementResize.unbind();a.cursor&&a.cursor.unbind();a.screenshot&&a.screenshot.unbind();a.fullscreen&&a.fullscreen.unbind()});
+ThreeBox.ElementResize=function(a,b,c,d){this.scale=d.scale||1;this.orbit=d.orbit;d=this.callback=function(){var d=Math.floor(c.offsetWidth),f=Math.floor(c.offsetHeight);a.domElement.style.position="absolute";a.domElement.style.width=d+"px";a.domElement.style.height=f+"px";var g=Math.floor(d/this.scale),h=Math.floor(f/this.scale);a.setSize(g,h);b.aspect=d/f;b instanceof THREE.OrthographicCamera&&(b.top=this.orbit/2,b.bottom=-b.top,b.left=-b.top*b.aspect,b.right=-b.bottom*b.aspect);b.updateProjectionMatrix();
+this.emit("resize",g,h)}.bind(this);window.addEventListener("resize",d,!1);c.addEventListener("resize",d,!1);setTimeout(d,0)};ThreeBox.ElementResize.bind=function(a,b,c,d){return new ThreeBox.ElementResize(a,b,c,d)};ThreeBox.ElementResize.prototype.scale=function(a){this.scale=a};ThreeBox.ElementResize.prototype.unbind=function(){window.removeEventListener("resize",callback);domElement.removeEventListener("resize",callback)};MicroEvent.mixin(ThreeBox.ElementResize);
+ThreeBox.OrbitControls=function(a,b,c){this.element=b;this.camera=a;this.options=tQuery.extend(c,{phi:\u03c4/4,theta:0.3,orbit:2,lookAt:[0,0,0],speed:2});this.init();this.start();this.update()};
+ThreeBox.OrbitControls.prototype={init:function(){this.width=this.element&&this.element.offsetWidth;this.height=this.element&&this.element.offsetHeight;this.phi=this.options.phi;this.theta=this.options.theta;this.orbit=this.options.orbit;this.speed=this.options.speed;this.lookAt=new THREE.Vector3;this.lookAt.set.apply(this.lookAt,this.options.lookAt||[])},start:function(){var a=this;this._mouseDown=function(b){a.width=a.element&&a.element.offsetWidth;a.height=a.element&&a.element.offsetHeight;a.drag=
+!0;a.lastHover=a.origin={x:b.pageX,y:b.pageY};b.preventDefault()};this._mouseUp=function(){a.drag=!1};this._mouseMove=function(b){if(a.drag){var c={x:b.pageX-a.origin.x,y:b.pageY-a.origin.y},d={x:b.pageX-a.lastHover.x,y:b.pageY-a.lastHover.y};a.lastHover={x:b.pageX,y:b.pageY};a.moved(a.origin,c,d)}};this.element&&(this.element.addEventListener("mousedown",this._mouseDown,!1),document.addEventListener("mouseup",this._mouseUp,!1),document.addEventListener("mousemove",this._mouseMove,!1))},stop:function(){this.element&&
+(this.element.removeEventListener("mousedown",this._mouseDown),document.removeEventListener("mouseup",this._mouseUp),document.removeEventListener("mousemove",this._mouseMove))},moved:function(a,b,c){this.phi+=c.x*this.speed/this.width;this.theta=Math.min(\u03c0/2,Math.max(-\u03c0/2,this.theta+c.y*this.speed/this.height));this.emit("change")},update:function(){this.camera.position.x=Math.cos(this.phi)*Math.cos(this.theta)*this.orbit;this.camera.position.y=Math.sin(this.theta)*this.orbit;this.camera.position.z=
+Math.sin(this.phi)*Math.cos(this.theta)*this.orbit;this.camera.position.addSelf(this.lookAt);this.camera.lookAt(this.lookAt)}};ThreeBox.OrbitControls.bind=function(a,b,c){return new ThreeBox.OrbitControls(a,b,c)};MicroEvent.mixin(ThreeBox.OrbitControls);
+ThreeBox.Cursor=function(a,b){function c(){f||(a.style.cursor=d);clearTimeout(e);f=!1;e=setTimeout(function(){f=!0;a.style.cursor="none"},g)}var d=b.cameraControls?"move":"default",e=null,f=!1,g=2E3;b.cursor?a.style.cursor=d:(a.addEventListener("mousemove",c),a.style.cursor="none");return{unbind:function(){a.removeEventListener("mousemove",c)}}};ThreeBox.Cursor.bind=function(a,b){return ThreeBox.Cursor(a,b)};
+ThreeBox.preload=function(a,b){a instanceof Function&&(b=a,a=[]);a="string"==typeof a?[a]:a;var c=a.length,d={},e=function(a){_.extend(d,a||{});0==--c&&b(d)},f=ThreeBox.preload,g={},h={html:f.html,jpg:f.image,png:f.image,gif:f.image,mp3:f.audio};_.each(h,function(a,b){g[b]=RegExp("\\."+b+"$")});_.each(a,function(a){_.each(h,function(b,c){if(a.match(g[c])){var d=a.split(/\//g).pop().replace(/\.[A-Za-z0-9]+$/,"");b(a,d,e)}})})};
+ThreeBox.preload.html=function(a,b,c){new microAjax(a,function(b){var e;(e=b.match(/^<script[^>]*type=['"]text\/javascript['"][^>]*>([\s\S]+?)<\/script>$/m))?(b=document.createElement("script"),b.type="text/javascript",b.innerHTML=e[1],document.body.appendChild(b)):(e=document.createElement("div"),e.innerHTML=b,document.body.appendChild(e));console.log("Loaded HTML ",a);c()})};
+ThreeBox.preload.image=function(a,b,c){THREE.ImageUtils.loadTexture(a,null,function(d){var e={};e[b]=d;console.log("Loaded texture ",a);c(e)})};ThreeBox.preload.audio=function(a,b,c){var d=new XMLHttpRequest;d.open("GET",a,!0);d.responseType="arraybuffer";d.onload=function(){var e={};e[b]=d.response;console.log("Loaded audio ",a);c(e)};d.send()};(function(a){for(var b in a)if(!window[b])throw"Error: ThreeRTT requires "+a[b];})({THREE:"Three.js"});window.ThreeRTT=window.ThreeRTT||{};
+ThreeRTT.World=function(){};ThreeRTT.getShader=function(a){var b=document.getElementById(a);return b&&b.innerText||a};_.loop=function(a,b){for(var c=0;c<a;++c)b(c)};ThreeRTT.getShader=function(a){var b=document.getElementById(a);return b&&(b.innerText||b.textContent)||a};ThreeRTT.isPowerOfTwo=function(a){return 0===(a&a-1)};ThreeRTT.toTarget=function(a){return ThreeRTT.Stage&&a instanceof ThreeRTT.Stage?a.target:ThreeRTT.World&&a instanceof ThreeRTT.World?a.target():a};
+ThreeRTT.toTexture=function(a,b){a=ThreeRTT.toTarget(a);return ThreeRTT.RenderTarget&&a instanceof ThreeRTT.RenderTarget?a.read():a};MicroEvent.prototype.on=function(){MicroEvent.prototype.bind.apply(this,arguments);return this};MicroEvent.prototype.emit=function(){MicroEvent.prototype.trigger.apply(this,arguments);return this};MicroEvent.mixin=function(a){for(var b=["bind","unbind","trigger","on","emit"],c=0;c<b.length;c++)a.prototype[b[c]]=MicroEvent.prototype[b[c]]};
+ThreeRTT.Stage=function(a,b){b=_.extend({history:0,camera:{},scene:null},b);b.camera.aspect=b.camera.aspect||b.width/b.height;this.camera=ThreeRTT.Camera(b.camera);this.target=new ThreeRTT.RenderTarget(a,b);this.reset();this.size(b.width,b.height)};
+ThreeRTT.Stage.prototype={options:function(){return this.target.options},reset:function(){this.scenes=[];this.passes=[]},paint:function(a,b){var c=new THREE.Scene;if(!b){var d=new ThreeRTT.FragmentMaterial(this,"generic-fragment-texture"),d=this._surface(d);c.add(d)}c.add(a);this.scenes.push(c);this.passes.push(1)},iterate:function(a,b){var c=this._surface(b),d=new THREE.Scene;d.add(c);this.scenes.push(d);this.passes.push(a);return this},fragment:function(a){this.iterate(1,a);return this},size:function(a,
+b){a=Math.floor(a);b=Math.floor(b);this.camera.aspect=a/b;this.camera.updateProjectionMatrix();this.target.size(a,b);return this},read:function(a){return this.target.read(a)},uniform:function(){return this.target.uniform()},render:function(){this.target.clear();_.each(this.passes,function(a,b){_.loop(a,function(a){this.target.render(this.scenes[b],this.camera)}.bind(this))}.bind(this));return this},clear:function(){this.target.clear();return this},destroy:function(){this.target.deallocate();this.scenes=
+[];this.passes=[];this.target=this.camera=null},_surface:function(a){var b=new THREE.Mesh(new ThreeRTT.ScreenGeometry,{});b.frustumCulled=!1;b.material=a;b.renderDepth=Infinity;return b}};ThreeRTT.Compose=function(a,b,c,d){THREE.Object3D.call(this);a=new ThreeRTT.FragmentMaterial(a,b,c,d);b=new ThreeRTT.ScreenGeometry;a=this.mesh=new THREE.Mesh(b,a);a.frustumCulled=!1;this.add(a)};ThreeRTT.Compose.prototype=new THREE.Object3D;
+ThreeRTT.Camera=function(a){if(a instanceof THREE.Camera)return a;a=_.extend({aspect:1,far:1E4,fov:85,near:0.01,ortho:!1,scale:1},a);if(a.ortho){var b=a.scale,c=a.aspect;return new THREE.OrthographicCamera(-b*c,b*c,-b,b,a.near,a.far)}return new THREE.PerspectiveCamera(a.fov,a.aspect,a.near,a.far)};
+ThreeRTT.RenderTarget=function(a,b){this.options=b=_.extend({width:256,height:256,texture:{},clear:{color:!1,depth:!1,stencil:!1},clearColor:16777215,clearAlpha:1,history:0,scene:null,camera:null,autoAdvance:!0},b);this.renderer=a;ThreeRTT.isPowerOfTwo(b.width)&&ThreeRTT.isPowerOfTwo(b.height)||b.texture.minFilter||(b.texture.minFilter=THREE.LinearFilter);this.history(this.options.history,!0);this.size(b.width,b.height);this.clear()};
+ThreeRTT.RenderTarget.prototype={read:function(a){a=Math.max(0,Math.min(this.options.history,Math.abs(a||0)));return this.virtuals[a]},write:function(){return this.targets[this.index]},history:function(a,b){void 0!==a&&(this._history=a,this.buffers=a+2,b||this.allocate());return this._history},size:function(a,b){void 0!==a&&void 0!==b&&(this.width=Math.max(1,Math.floor(a)),this.height=Math.max(1,Math.floor(b)),this.allocate());return{width:this.width,height:this.height}},deallocate:function(){this.deallocateTargets()},
+allocate:function(){this.deallocateTargets();this.allocateTargets();this.allocateVirtuals()},deallocateTargets:function(){_.each(this.targets||[],function(a){a.dispose()}.bind(this))},allocateTargets:function(){var a=this.options;n=this.buffers;var b=this.targets=[];_.loop(n,function(c){b.push(new THREE.WebGLRenderTarget(this.width,this.height,a.texture));b[c].__index=c}.bind(this))},allocateVirtuals:function(){var a=this.targets[0],b=this.virtuals||[];n=Math.max(1,this.buffers-1);n>b.length?_.loop(n-
+b.length,function(){b.push(a.clone())}.bind(this)):b=b.slice(0,n);_.each(b,function(a,b){a.width=this.width;a.height=this.height;a.__index=b}.bind(this));this.virtuals=b;this.index=-1;this.advance()},advance:function(){var a=this.targets,b=this.virtuals,c=this.index,d=this.buffers,e=b.length;this.index=c=(c+1)%d;_.loop(e,function(f){var g=b[f];f=a[(e-f+c)%d];g.__webglTexture=f.__webglTexture;g.__webglFramebuffer=f.__webglFramebuffer;g.__webglRenderbuffer=f.__webglRenderbuffer;g.__index=f.__index})},
+clear:function(){var a=this.options,b=a.clear,c=this.renderer,d=c.getClearColor().clone(),e=c.getClearAlpha();c.setClearColor(a.clearColor,a.clearAlpha);c.clearTarget(this.write(),b.color,b.depth,b.stencil);c.setClearColor(d,e)},render:function(a,b){this.emit("render",a,b);var c=this.renderer.autoClear;this.renderer.autoClear=!1;this.clear();this.renderer.render(a,b,this.write());this.renderer.autoClear=c;this.options.autoAdvance&&this.advance()},uniform:function(a){var b=this.history();if(b){var c=
+[];_.loop(b+1,function(a){c.push(this.read(-a))}.bind(this));return{type:"tv",value:c,count:b+1}}return{type:"t",value:a,texture:this.read(),count:1}}};MicroEvent.mixin(ThreeRTT.RenderTarget);ThreeRTT.ScreenGeometry=function(){return new THREE.PlaneGeometry(2,2,1,1)};
+ThreeRTT.ShaderMaterial=function(a,b,c,d,e){if(d instanceof Array){var f={};_.each(d,function(a,b){f["texture"+(i+1)]=a});d=f}else if(d instanceof THREE.Texture||d instanceof ThreeRTT.World||d instanceof THREE.WebGLRenderTarget)d={texture1:d};a instanceof Array||(a=[a]);a=_.map(a,function(a){return ThreeRTT.toTarget(a)});e=_.extend(e||{},{sampleStep:{type:"v2",value:new THREE.Vector2}});_.each(d,function(a,b){e[b]={type:"t",value:ThreeRTT.toTexture(a)}});_.each(a,function(a,b){var c="texture"+(b+
+1);a.read&&!e[c]&&(e[c]={type:"t",value:a.read()})});e.texture1&&!e.texture&&(e.texture=e.texture1);a[0].on("render",function(){var b=a[0].options.texture,c=b.wrapT,d={1E3:0,1001:1,1002:0},f=e.sampleStep.value;f.x=1/(a[0].width-(d[b.wrapS]||0));f.y=1/(a[0].height-(d[c]||0))});return new THREE.ShaderMaterial({uniforms:e,vertexShader:ThreeRTT.getShader(b||"generic-vertex"),fragmentShader:ThreeRTT.getShader(c||"generic-fragment-texture")})};
+ThreeRTT.FragmentMaterial=function(a,b,c,d){a=new ThreeRTT.ShaderMaterial(a,"generic-vertex-screen",b,c,d);a.side=THREE.DoubleSide;a.depthTest=!1;a.depthWrite=!1;a.transparent=!0;a.blending=THREE.NoBlending;return a};
+ThreeRTT.ScaleMaterial=function(a,b,c){var d={};a=ThreeRTT.toTarget(a);b=ThreeRTT.toTarget(b);d=_.extend(d,{sampleAlignment:{type:"v2",value:new THREE.Vector2},texture:{type:"t",value:a.read()}});b.on("render",function(){var e=a,g=b,h=g.height*c/e.height,l=d.sampleAlignment.value;l.x=g.width*c/e.width;l.y=h});var e=new THREE.ShaderMaterial({uniforms:d,vertexShader:ThreeRTT.getShader("rtt-vertex-downsample"),fragmentShader:ThreeRTT.getShader("generic-fragment-texture")});e.side=THREE.DoubleSide;e.depthTest=
+!1;e.depthWrite=!1;e.transparent=!0;e.blending=THREE.NoBlending;return e};ThreeRTT.DownsampleMaterial=function(a,b){return new ThreeRTT.ScaleMaterial(a,b,2)};ThreeRTT.UpsampleMaterial=function(a,b){return new ThreeRTT.ScaleMaterial(a,b,0.5)};
+ThreeRTT.RaytraceMaterial=function(a,b,c,d,e){a instanceof Array||(a=[a]);c=new ThreeRTT.ShaderMaterial(a,"raytrace-vertex-screen",c,d,e);e=_.extend(c.uniforms||{},{raytraceViewport:{type:"v2",value:new THREE.Vector2},raytracePosition:{type:"v3",value:new THREE.Vector3},raytraceMatrix:{type:"m4",value:new THREE.Matrix4}});a=ThreeRTT.toTarget(a[0]);var f=new THREE.Vector3;a.on("render",function(a){b.updateMatrixWorld();b.fov&&(a=Math.tan(b.fov*\u03c0/360),e.raytraceViewport.value.set(a*b.aspect,a));
+b.matrixWorld&&(e.raytraceMatrix.value.copy(b.matrixWorld),e.raytraceMatrix.value.setPosition(f),e.raytracePosition.value.getPositionFromMatrix(b.matrixWorld))});return c};ThreeRTT.Display=function(a,b,c){a instanceof Array||(a=[a]);this.gx=b||a.length;this.gy=c||1;this.targets=a;this.n=a.length;THREE.Object3D.call(this);this.make()};
+ThreeRTT.Display.prototype=_.extend(new THREE.Object3D,{make:function(){for(var a=this.n,b=this.gx,c=this.gy,d=this.targets,e=(b-1)/2,f=(c-1)/2,g=new THREE.PlaneGeometry(1,1,1,1),h=0,l=0;h<a&&l<c;++l)for(var k=0;h<a&&k<b;++k,++h){var q=new THREE.MeshBasicMaterial({color:16777215,map:ThreeRTT.toTexture(d[h]),fog:!1});q.side=THREE.DoubleSide;q=new THREE.Mesh(g,q);q.renderDepth=1E4+Math.random();this.add(q);1<b&&(q.position.x=-e+k);1<c&&(q.position.y=f-l)}}});
+ThreeRTT.World=function(a,b){b=b||{};b=_.extend({autoRendering:!0,autoSize:!(b.width&&b.height),order:++ThreeRTT.World.sequence,scale:1},b);b.width=!b.autoSize&&b.width||(a._opts&&a._opts.renderW||256)/b.scale;b.height=!b.autoSize&&b.height||(a._opts&&a._opts.renderH||256)/b.scale;a.on("resize",function(a,d){b.autoSize&&(a/=b.scale,d/=b.scale,this.size(a,d))}.bind(this));this._options=b;this._world=a;this._autoRendering=b.autoRendering;this._renderer=a.tRenderer();this._stage=new ThreeRTT.Stage(this._renderer,
+b);this._tScene=this._stage.scene;this._tCamera=this._stage.camera;this.queue=ThreeRTT.RenderQueue.bind(a);b.autoRendering&&this.queue.add(this);this.size(b.width,b.height,!0)};ThreeRTT.World.sequence=1E5;
+ThreeRTT.World.prototype=_.extend(new THREE.Object3D,tQuery.World.prototype,{stage:function(){return this._stage},target:function(){return this._stage.target},autoSize:function(a){void 0!==a&&(this._options.autoSize=a);return this._options.autoSize},adjust:function(a){var b=this._options.scale,c=this._options.width,d=this._options.height;this._options.autoSize&&(d=this._world._opts,c=d.renderW,d=d.renderH);c/=b;d/=b;this._opts={renderW:c,renderH:d};a||this._stage.size(c,d)},scale:function(a){return a?
+(this._options.scale=a,this.adjust(),this):this._options.scale},size:function(a,b,c){return a&&b?(this._options.width=a,this._options.height=b,this.adjust(c),this):{width:this._options.width,height:this._options.height}},options:function(){return this._stage.options()},reset:function(){this._stage.reset();return this},paint:function(a,b){this._stage.paint(a,b);return this},iterate:function(a,b,c,d){b=b instanceof THREE.Material?b:tQuery.createFragmentMaterial(this,b,c,d);this._stage.iterate(a,b);
+return this},shader:function(a,b,c,d){a=a instanceof THREE.Material?a:tQuery.createShaderMaterial(this,a,b,c,d);this._stage.fragment(a);return this},fragment:function(a,b,c){a=a instanceof THREE.Material?a:tQuery.createFragmentMaterial(this,a,b,c);this._stage.fragment(a);return this},raytrace:function(a,b,c,d){a=b instanceof THREE.Material?b:tQuery.createRaytraceMaterial(this,a,b,c,d);this._stage.fragment(a);return this},downsample:function(a){if(!a.autoSize()){var b=a.size();this._options.width=
+b.width;this._options.height=b.height}b=a.scale();this.scale(2*b);a=tQuery.createDownsampleMaterial(a,this);this._stage.fragment(a);return this},upsample:function(a){if(!a.autoSize()){var b=a.size();this._options.width=b.width;this._options.height=b.height}b=a.scale();this.scale(0.5*b);a=tQuery.createUpsampleMaterial(a,this);this._stage.fragment(a);return this},read:function(a){return this._stage.read(a)},uniform:function(){return this._stage.uniform()},render:function(){this._stage.render();return this},
+destroy:function(){this._stage.destroy();this._stage=null;this.queue.remove(this);this.trigger("destroy");return this}});tQuery.pluginsInstanceOn(ThreeRTT.World);tQuery.MicroeventMixin(ThreeRTT.World.prototype);ThreeRTT.RenderQueue=function(a){this.world=a;this.queue=[];this.callback=null;this.renderer=a.tRenderer()};
+ThreeRTT.RenderQueue.prototype={add:function(a){this.queue.push(a);this.sort();this.init()},remove:function(a){this.queue.splice(this.queue.indexOf(a),1);this.cleanup()},init:function(){var a=this.queue,b=this.world;a.length&&!this.callback&&b.loop().hookPreRender(this.callback=function(){_.each(a,function(a){a.render()})})},cleanup:function(){var a=this.world;!this.queue.length&&this.callback&&(a.loop().unhookPreRender(this.callback),this.callback=null)},sort:function(){this.queue.sort(function(a,
+b){return a.order-b.order})}};ThreeRTT.RenderQueue.bind=function(a){return a.__rttRenderQueue?a.__rttRenderQueue:a.__rttRenderQueue=new ThreeRTT.RenderQueue(a)};tQuery.World.registerInstance("rtt",function(a){return tQuery.createRTT(this,a)});tQuery.World.registerInstance("compose",function(a,b,c,d){a=tQuery.createComposeRTT(a,b,c,d);this.add(a);return a});tQuery.World.registerInstance("display",function(a,b,c){a=tQuery.createDisplayRTT(a,b,c);this.add(a);return a});
+tQuery.registerStatic("createRTT",function(a,b){return new ThreeRTT.World(a,b)});tQuery.registerStatic("createComposeRTT",function(a,b,c,d){return new ThreeRTT.Compose(a,b,c,d)});tQuery.registerStatic("createDisplayRTT",function(a,b,c){return new ThreeRTT.Display(a,b,c)});tQuery.registerStatic("createShaderMaterial",function(a,b,c,d,e){return new ThreeRTT.FragmentMaterial(a,b,c,d,e)});tQuery.registerStatic("createFragmentMaterial",function(a,b,c,d){return new ThreeRTT.FragmentMaterial(a,b,c,d)});
+tQuery.registerStatic("createRaytraceMaterial",function(a,b,c,d,e){return new ThreeRTT.RaytraceMaterial(a,b,c,d,e)});tQuery.registerStatic("createDownsampleMaterial",function(a,b){return new ThreeRTT.DownsampleMaterial(a,b)});tQuery.registerStatic("createUpsampleMaterial",function(a,b){return new ThreeRTT.UpsampleMaterial(a,b)});tQuery.registerStatic("createScaleMaterial",function(a,b,c){return new ThreeRTT.DownsampleMaterial(a,b,c)});
+(function(a){for(var b in a)if(!window[b])throw"Error: ShaderGraph requires "+a[b];})({THREE:"Three.js"});window.ShaderGraph={};ShaderGraph.getShader=function(a){var b=document.getElementById(a);return b&&(b.innerText||b.textContent)||a};
+(function(a){a.Block=function(b){b=b||new a.Node;this.node(b);this.children=[];this.parent=null;this.properties={};this.index=++a.Block.index;this.refresh()};a.Block.index=0;a.Block.prototype={node:function(a){return void 0!==a?(this._node=a,this):this._node},refresh:function(){this._node.owner(this);this._node.outlets(this.outlets())},fetch:function(a,c,d,e){},id:function(b,c,d,e){if(d.meta.inout){var f=d.node.get(d.name,a.IN).input;if(f)return f.node.owner().fetch(b,c,f,e+1)}return d.id()}};a.Block.Snippet=
+function(b){this.snippet=new a.Snippet(b);a.Block.call(this)};a.Block.Snippet.prototype=_.extend({},a.Block.prototype,{insert:function(b,c,d){a.Block.Snippet.compileCall(b,c,this.node(),this.snippet,d)},fetch:function(a,c,d,e){a.include(this,c)||this.insert(a,c,e);return this.id(a,c,d,e)},outlets:function(){return a.Block.Snippet.makeOutlets(this.snippet)}});a.Block.Material=function(b,c){this.vertex=new a.Snippet(b);this.fragment=new a.Snippet(c);a.Block.call(this)};a.Block.Material.prototype=_.extend({},
+a.Block.prototype,{compile:function(){if(0<this.node().outputs.length)throw"Can't compile material with outputs";this.node();var b=new a.Program;this.insert(b,"vertex",0);this.insert(b,"fragment",0);b.compile();return b},insert:function(b,c,d){a.Block.Snippet.compileCall(b,c,this.node(),this[c],d)},fetch:function(a,c,d,e){a.include(this,c)||this.insert(a,c,e);"fragment"==c&&(a.include(this,"vertex")||this.insert(a,"vertex",0));return this.id(a,c,d,e)},outlets:function(){var b=a.Block.Snippet.makeOutlets(this.vertex),
+c=a.Block.Snippet.makeOutlets(this.fragment);return _.union(b,c)}});a.Block.Snippet.makeOutlets=function(b){var c=[];if(b.outlets)return b.outlets;var d=b.arguments();_.each(d.parameters,function(b){b=_.extend({},b);b.meta={required:!0};b.hint=b.name.replace(/(In|Out)$/,"");b.category="parameter";if(b.inout==a.INOUT){b.meta.inout=!0;var d=_.extend({},b);d.inout=a.IN;c.push(d);b.inout=a.OUT}c.push(b)});_.each(d.uniforms,function(b){b.meta={};b.hint=b.name.replace(/(In|Out)$/,"");b.category="uniform";
+b.inout=a.IN;c.push(b)});return b.outlets=c};a.Block.Snippet.compileCall=function(b,c,d,e,f){var g=e.arguments(),h=[];_.each(g.parameters,function(e){var g=d.get(e.name,e.inout==a.INOUT?a.IN:e.inout);if(e.inout==a.IN||e.inout==a.INOUT)if(g.input)g=g.input.node.owner().fetch(b,c,g.input,f+1),b.variable(c,g,e),h.push(g);else throw console.log("Outlet",e,input),["Missing connection on outlet for "+e.name];else e.inout==a.OUT&&(g=g.id(),b.variable(c,g,e),h.push(g))});var l=[];_.each(g.uniforms,function(a){var e=
+d.get(a.name);e.input?(e=e.input.node.owner().fetch(b,c,e.input,f+1),b.variable(c,e,a),h.push(e),l.push(a.name)):b.external("uniform",a)});_.each(g.attributes,function(a){b.external("attribute",a)});_.each(g.varyings,function(a){b.external("varying",a)});g=["_sg",c,e.name,d.owner().index].join("_");e=e.compile(g,l,!0);b.add(c,g,h,e,f)}})(ShaderGraph);
+(function(a){a.Factory=function(){this.end()};a.Factory.prototype={snippet:function(b,c){c=c||"append";var d=new a.Block.Snippet(ShaderGraph.getShader(b));this[c](d.node());return this},material:function(b,c,d){d=d||"append";b=new a.Block.Material(ShaderGraph.getShader(b),ShaderGraph.getShader(c));this[d](b.node());return this},snippetBefore:function(a){this.snippet(a,"prepend");return this},materialBefore:function(a,c){this.material(code,"prepend");return this},append:function(a){a.graph||this.graph.add(a);
+var c=this.stack[0];_.each(c.end,function(c){c.connect(a)});c.start.length||(c.start=[a]);c.end=[a];return this},prepend:function(a){a.graph||this.graph.add(a);var c=this.stack[0];_.each(c.start,function(c){a.connect(c)});c.end.length||(c.end=[a]);c.start=[a];return this},group:function(){this.stack.unshift({start:[],end:[]});this.stack.unshift({start:[],end:[]});return this},pass:function(){this.next();this.stack[0].start.push(null);return this.combine()},next:function(){var a=this.stack.shift(),
+c=this.stack[0];c.start=c.start.concat(a.start);c.end=c.end.concat(a.end);this.stack.unshift({start:[],end:[]});return this},combine:function(){if(2>=this.stack.length)throw"Popping factory stack too far.";this.next();this.stack.shift();var a=this.stack.shift(),c=this.stack[0];a.start.length&&(_.each(a.start,function(d){d?_.each(c.end,function(a){a.connect(d,!0)}):a.end=a.end.concat(c.end)}),c.end=a.end);return this},end:function(){var b=this.graph;this.graph=new a.Graph;this.stack=[];this.group();
+b&&(b.compile=function(){return b.tail().owner().compile()});return b}}})(ShaderGraph);
+(function(a){a.Program=function(){this.calls={vertex:{},fragment:{}};this.variables={vertex:{},fragment:{}};this.externals={};this.compiled=!1;this.attributes={};this.uniforms={};this.fragmentShader=this.vertexShader="";this.includes={vertex:[],fragment:[]}};a.Program.types={f:"float",v2:"vec2",v3:"vec3",v4:"vec4",m3:"mat3",m4:"mat4",t:"sampler2D"};a.Program.prototype={include:function(a,c){if(0<=this.includes[c].indexOf(a))return!0;this.includes[c].push(a);return!1},external:function(a,c){c=_.extend({category:a},
+c);this.externals[c.name]=c},variable:function(a,c,d){d=_.extend({},d,{name:c});this.variables[a][c]=d},add:function(a,c,d,e,f){var g=this.calls[a][c];g?g.priority=Math.min(g.priority,f):this.calls[a][c]={name:c,args:d,code:e,priority:f}},compile:function(){_.each(this.externals,function(a){"uniform"==a.category&&(this.uniforms[a.name]={type:a.type,value:a.value});"attribute"==a.category&&(this.attributes[a.name]={type:a.type,value:[]})}.bind(this));_.each(["vertex","fragment"],function(b){var c=
+[];_.each(this.externals,function(a){"attribute"==a.category&&"fragment"==b||c.push([a.category,a.signature,";"].join(" "))}.bind(this));var c=c.join("\n"),d=_.toArray(this.calls[b]),e=[c],f=["void main() {"];_.each(this.variables[b],function(b){f.push([a.Program.types[b.type],b.name,";"].join(" "))});d.sort(function(a,b){return b.priority-a.priority});_.each(d,function(a){e.push(a.code);f.push([a.name,"(",a.args.join(","),");"].join(""))});f.push("}");this[b+"Shader"]=[e.join("\n"),f.join("\n")].join("\n")}.bind(this));
+this.compiled=!0},material:function(){if(!this.compiled)throw"Fetching material from uncompiled program.";return new THREE.ShaderMaterial({uniforms:this.uniforms,vertexShader:this.vertex,fragmentShader:this.fragment})}}})(ShaderGraph);
+(function(a){a.Snippet=function(b){if(a.Snippet.cache[b])return a.Snippet.cache[b];a.Snippet.cache[b]=this;this.code=b;this.attributes=[];this.uniforms=[];this.varyings=[];this.parameters=[];this.body=this.signature="";this.parseCode(b)};a.Snippet.cache={};a.Snippet.types={"float":"f",vec2:"v2",vec3:"v3",vec4:"v4",mat3:"m3",mat4:"m4",sampler2D:"t",samplerCube:"t"};a.Snippet.defaults={"float":0,vec2:new THREE.Vector3,vec3:new THREE.Vector3,vec4:new THREE.Vector4,mat4:new THREE.Matrix4,sampler2D:0,
+samplerCube:0};a.Snippet.prototype={compile:function(a,c,d){var e=this.signature.slice(),f=[];c=c||[];_.each(this.uniforms,function(a){0<=c.indexOf(a.name)?e.push(a.signature):d||f.push(["uniform",a.signature].join(" "))});!d&&_.each(this.attributes,function(a){f.push(["attribute",a.signature].join(" "))});!d&&_.each(this.varyings,function(a){f.push(["varying",a.signature].join(" "))});a=this.body.replace(/\s*void\s+([A-Za-z0-9]+)\s*\([^\)]*\)/g,["void",a+"(",e.join(", "),")"].join(" "));f.push(a);
+return f.join(";\n")},arguments:function(){return{uniforms:this.uniforms,varyings:this.varyings,attributes:this.attributes,parameters:this.parameters}},type:function(b,c){b=(a.Snippet.types[b]||"f")+(c?"v":"");return"fv"==b?"fv1":b},parseAttribute:function(a){var c=a[1];this.attributes.push({name:a[3],type:this.type(a[2],a[4]),signature:c})},parseUniform:function(b){var c=b[1],d=b[2];this.uniforms.push({name:b[3],type:this.type(d,b[4]),value:a.Snippet.defaults[d]||0,signature:c})},parseVarying:function(a){var c=
+a[1];this.varyings.push({name:a[3],type:this.type(a[2],a[4]),signature:c})},parseSignature:function(b){this.name=b[1];var c=b[2].replace(/^\s*$/g,"");0==c.length?this.signature=[]:(arguments=this.signature=c.split(","),_.each(arguments,function(b){b=/((?:(in|out|inout)\s+)?([A-Za-z0-9]+)\s+([A-Za-z0-9_]+)\s*(?:\[([^\]]+)\])?)(?:$|(?=;))/.exec(b);var c=b[1];this.parameters.push({inout:{"in":a.IN,out:a.OUT,inout:a.INOUT}[b[2]||"in"],name:b[4],type:this.type(b[3],b[5]),signature:c})}.bind(this)))},parseCode:function(a){function c(a,
+b){if(!a.global)throw"Can't findAll non-global regexp";for(var c,d=[];c=a.exec(b);)d.push(c);return d}a=a.replace(/\r\n?/g,"\n").replace(/\/\/[^\n]*\n/g," ").replace(/\/\*(.|\n)*?\*\//g," ");var d=c(/(?:^|;)\s*attribute\s+(([A-Za-z0-9]+)\s+([A-Za-z0-9_]+)\s*(?:\[([^\]]+)\])?)(?:$|(?=;))/g,a),e=c(/(?:^|;)\s*uniform\s+(([A-Za-z0-9]+)\s+([A-Za-z0-9_]+)\s*(?:\[([^\]]+)\])?)(?:$|(?=;))/g,a),f=c(/(?:^|;)\s*varying\s+(([A-Za-z0-9]+)\s+([[A-Za-z0-9_]+)\s*(?:\[([^\]]+)\])?)(?:$|(?=;))/g,a),g=c(/(?:^|;)\s*void\s+([A-Za-z0-9]+)\s*\(([^\)]*)\)\s*{/g,
+a);if(!g[0])throw"Could not parse shader snippet. Must contain a void-returning function with in/outs: "+a;var h=a;_.each({parseAttribute:d,parseUniform:e,parseVarying:f},function(a,b){_.each(a,function(a){this[b](a);h=h.replace(a[0],"")}.bind(this))}.bind(this));h=h.replace(/^\s*;/,"");this.parseSignature(g[0]);this.body=h}}})(ShaderGraph);
+(function(a){a.Graph=function(a,c){this.parent=c||null;this.nodes=[];a&&this.add(a)};a.Graph.prototype={iterate:function(a){_.each(this.nodes,function(c){a(c,c._owner)})},exposed:function(){var a=[];this.iterate(function(c){_.each(c.outlets(),function(c){c.exposed&&a.push(c)})});return a},inputs:function(){var a=[];this.iterate(function(c){_.each(c.inputs,function(c){null==c.input&&a.push(c)})});return a},outputs:function(){var a=[];this.iterate(function(c){_.each(c.outputs,function(c){0==c.output.length&&
+a.push(c)})});return a},tail:function(){return this.nodes[this.nodes.length-1]},add:function(a){if(a.constructor==Array)return _.each(a,function(a){this.add(a)}.bind(this));if(a.graph)throw"Adding node to two graphs at once";a.link(this);this.nodes.push(a)},remove:function(a,c){var d=this;if(a.constructor==Array)return _.each(a,function(a){d.remove(a)});if(a.graph!=this)throw"Removing node from wrong graph.";c||a.disconnect();this.nodes.splice(this.nodes.indexOf(a),1)}};a.IN=0;a.OUT=1;a.INOUT=2})(ShaderGraph);
+(function(a){a.Node=function(a,c){this.graph=null;this.inputs=[];this.outputs=[];this._outlets={};this.owner(a);this.outlets(c)};a.Node.prototype={owner:function(a){return void 0!==a?(this._owner=a,this):this._owner},link:function(a){this.graph=a},getIn:function(b){return this.get(b,a.IN)},getOut:function(b){return this.get(b,a.OUT)},get:function(b,c){return void 0===c?this.get(b,a.IN)||this.get(b,a.OUT):this._outlets[[b,c].join("-")]},key:function(a){return[a.name,a.inout].join("-")},outlets:function(b){if(void 0!==
+b){var c={};_.each(b,function(a){c[[a.name,a.inout,a.type].join("-")]=!0}.bind(this));_.each(this._outlets,function(a){c[[a.name,a.inout,a.type].join("-")]||this.remove(a)}.bind(this));_.each(b,function(b){var c=this.get(b.name,b.inout);c?c.morph(b):(b=new a.Outlet(b),this.add(b))}.bind(this));return this}return this._outlets},add:function(b){var c=this.key(b);outlets=this._outlets;_in=this.inputs;_out=this.outputs;if(b.node)throw"Adding outlet to two nodes at once.";if(outlets[c])throw"Adding two identical outlets to same node.";
+b.link(this);outlets[c]=b;(b.inout==a.IN?_in:_out).push(b);return this},remove:function(b){var c=this._outlets,d=this.key(b),e=b.inout==a.IN?this.inputs:this.outputs;if(b.node!=this)throw"Removing outlet from wrong node.";b.disconnect();b.link(null);delete c[d];e.splice(e.indexOf(b),1);return this},connect:function(a,c,d){var e={},f={};_.each(a.inputs,function(a){if(d||!a.input){var b=a.type,c=[b,a.hint].join("-");f[c]||(f[c]=a);e[b]=e[b]||[];e[b].push(a)}});_.each(this.outputs,function(a){if(!c||
+!a.output.length){var b=a.type,d=[b,a.hint].join("-");f[d]?(f[d].connect(a),delete f[d],e[b].splice(e[b].indexOf(a),1)):e[b]&&e[b].length&&e[b].shift().connect(a)}});return this},disconnect:function(a){_.each(this.inputs,function(a){a.disconnect()});_.each(this.outputs,function(a){a.disconnect()});return this}}})(ShaderGraph);
+(function(a){a.Outlets=0;a.Outlet=function(b,c,d,e,f,g,h){if("object"==typeof b)return new a.Outlet(b.inout,b.name,b.hint,b.type,b.category,b.exposed,b.meta);this.node=null;this.inout=b;this.name=c;this.hint=d||c;this.type=e;this.category=f;this.exposed=!!g;this.meta=h||{};this.index=++a.Outlets;this.input=this.key=null;this.output=[]};a.Outlet.prototype={id:function(){return["_sg",this.name,this.index].join("_")},expose:function(a){this.exposed=a},morph:function(a){this.inout=a.inout;this.name=a.name;
+this.type=a.type;this.category=a.category;this.exposed=a.exposed;this.meta=a.meta||{}},connect:function(b){if(this.inout==a.IN&&b.inout==a.OUT)return b.connect(this);if(this.inout!=a.OUT||b.inout!=a.IN)throw console.log(this,b),"Can't connect out/out or in/in outlets.";b.input!=this&&(b.disconnect(),b.input=this,this.output.push(b))},disconnect:function(b){if(this.inout==a.IN)this.input&&this.input.disconnect(this);else if(b){var c=this.output.indexOf(b);0<=c&&(this.output.splice(c,1),b.input=null)}else _.each(this.output,
+function(a){a.input=null}),this.output=[]},link:function(a){this.node=a}}})(ShaderGraph);\u03c0=Math.PI;\u03c4=2*\u03c0;(function(a){for(var b in a)if(!window[b])throw"Error: MathBox requires "+a[b];})({THREE:"Three.js",tQuery:"tQuery.js (bundle)",ThreeBox:"ThreeBox.js",ThreeRTT:"ThreeRTT.js"});window.MathBox={};window.mathBox=function(a,b){!a||a instanceof Node||(b=a,a=null);return tQuery.createWorld(b).mathBox(a,b)};
+MathBox.getShader=function(a){var b=document.getElementById(a);return b&&b.textContent||a};Math.sign=function(a){return 0<a?1:0>a?-1:0};MathBox.Attributes=function(){};
+MathBox.Attributes.prototype={get:function(a){return void 0===a?this.__attributes||{}:this.__attributes?this.__attributes[a]:void 0},set:function(a,b){function c(a,b){try{b=h(a,b),d[a]=b,f[a]=b}catch(c){throw"Exception setting '"+a+"' to '"+b+"': "+c;}}this.__attributes||(this.__attributes={});this.__validators||(this.__validators={});var d={},e=this.__validators,f=this.__attributes,g=this,h=function(a,b){if(void 0===e[a]){var c="validate"+a.charAt(0).toUpperCase()+a.slice(1);e[a]=g[c]||!1}return e[a]?
+e[a].call(this,b):b}.bind(this);void 0!==a&&null!==a&&(a.constructor==String?c(a,b):_.each(a,function(a,b){c(b,a)}),this.emit("change",d))}};MicroEvent.mixin(MathBox.Attributes);MathBox.Attributes.mixin=function(a){_.each(["get","set","on","emit"],function(b){a.prototype[b]=MathBox.Attributes.prototype[b]})};MathBox.Animator=function(){this.active=[]};MathBox.Animator.now=1;
+MathBox.Animator.prototype={finalState:function(a){var b=_.extend({},a.get());a.__queue&&_.each(a.__queue,function(a,d){_.each(a,function(a){a.to&&(b[d]=a.to)})});return b},attach:function(a){if(!a.__queue){if(!a.__attributes)throw"Cannot attach to object without attributes";var b=this,c=a.set;a.set=function(a,e,f){if(!f){f=a;if(void 0===a||null===a)return;a.constructor==String&&(f={},f[a]=e);b.stop(this,f)}c.call(this,a,e)};a.__queue={};a.__animations=0}},hurry:function(a,b,c){c=c||4;_.each(b||a.__queue,
+function(b,e){_.each(a.__queue[e],function(a){a.hurry(c)})}.bind(this))},stop:function(a,b){_.each(b||a.__queue,function(b,d){for(;a.__queue[d];)this.dequeue(a,d,!0)}.bind(this))},animate:function(a,b,c){c=_.extend({duration:300},c||{});this.attach(a);_.each(b,function(b,e){var f=a.__queue[e]=a.__queue[e]||[];if(c.delay){var g=new MathBox.Animator.Delay(a,e,c.delay);f.push(g);0==a.__animations++&&this.active.push(a)}a.__validators[e]&&(b=a.__validators[e].call(a,b));g=new MathBox.Animator.Animation(a,
+e,b,c.duration,c.callback,c.ease);f.push(g);c.hold&&(g=new MathBox.Animator.Delay(a,e,c.hold),f.push(g),0==a.__animations++&&this.active.push(a));0==a.__animations++&&this.active.push(a)}.bind(this))},dequeue:function(a,b,c){var d=a.__queue[b];if(d){var e=d.shift();0==d.length&&delete a.__queue[b];c&&e.skip();0==--a.__animations&&this.active.splice(this.active.indexOf(a),1)}},update:function(a){MathBox.Animator.now+=a;a=this.active.slice();_.each(a,function(a){var c=0;_.each(a.__queue,function e(f,
+g){var h=f[0];value=h.apply(c||0);h.done()&&(c=h.extra(),this.dequeue(a,g),f[0]&&e.call(this,f,g))}.bind(this))}.bind(this))}};MathBox.Animator.Delay=function(a,b,c){this.object=a;this.key=b;this.duration=c;this.fraction=this.start=0};
+MathBox.Animator.Delay.prototype={init:function(a){this.start=MathBox.Animator.now-(a||0)},apply:function(a){this.start||this.init(a);this.fraction=0<this.duration?Math.min(1,(MathBox.Animator.now-this.start)/this.duration):1},skip:function(){this.duration=0},hurry:function(a){this.duration=this.duration*this.fraction+this.duration*(1-this.fraction)/a},extra:function(){return MathBox.Animator.now-this.start-this.duration},done:function(){return 1==this.fraction}};
+MathBox.Animator.Animation=function(a,b,c,d,e,f){this.object=a;this.key=b;this.from=null;this.to=c;this.duration=d;this.fraction=this.start=0;this.callback=e;this.ease=f};
+MathBox.Animator.Animation.prototype={init:function(a){this.start=MathBox.Animator.now-(a||0);null===this.from&&(this.from=this.object.get(this.key));void 0===this.from&&(this.from=0)},apply:function(a){function b(a,b){return a+(b-a)*l}function c(a,e){void 0===e&&(e=a);void 0===a&&(a=e);if(e===a)return a;if(typeof a!=typeof e)throw console.log(d,f),"Data type mismatch between from/to values in animator. "+f+": "+a+" ("+a.constructor+"), "+e+"("+e.constructor+")";var g;switch(typeof e){default:case "string":throw"Unimplemented value type in animator. ("+
+typeof e+")";case "function":return function(){return c(a.apply(this,arguments),e.apply(this,arguments))};case "boolean":return 0.5<h?e:a;case "number":return b(a,e);case "object":if(!a)return e;if(!e)return a;if(e.constructor==Array)return g=[],_.loop(a.length,function(b){g[b]=c(a[b],e[b])}),g;if(e.constructor==THREE.Matrix4){g=new THREE.Matrix4;for(var l=0;16>l;++l)g.elements[l]=b(a.elements[l],e.elements[l]);return g}return e.constructor==THREE.Vector3?(g=new THREE.Vector3,g.x=b(a.x,e.x),g.y=b(a.y,
+e.y),g.z=b(a.z,e.z),g):e.constructor==THREE.Color?(g=new THREE.Color,g.r=b(a.r,e.r),g.g=b(a.g,e.g),g.b=b(a.b,e.b),g):0.5<h?e:a}}this.start||this.init(a);var d=this.object;a=this.from;var e=this.to,f=this.key,g=this.ease,h;this.fraction=h=0<this.duration?Math.min(1,(MathBox.Animator.now-this.start)/(this.duration||1)):1;var l;switch(g){case "in":l=1-(1-h)*(1-h);break;case "out":l=h*h;break;case "linear":l=h;break;default:l=0.5-0.5*Math.cos(h*\u03c0)}a=c(a,e);this.object.set(this.key,a,!0)},hurry:function(a){this.duration=
+this.duration*this.fraction+this.duration*(1-this.fraction)/a},skip:function(){this.duration=0;this.fraction=1;this.done()},extra:function(){return MathBox.Animator.now-this.start-this.duration},done:function(){return 1==this.fraction?(this.object.set(this.key,this.to,!0),this.callback&&this.callback(),this.callback=null,!0):!1}};
+MathBox.Stage=function(a,b,c){this.options=a=a||{};this._world=b;this.overlay=c;b&&b.on("resize",function(a,b){this.overlay.size(a,b);this.width=a;this.height=b}.bind(this));this.primitives=[];this.materials=new MathBox.Materials(this);this.animator=new MathBox.Animator;this._transition=0;this._speed=1;b&&(this.cameraProxy=new MathBox.CameraProxy(b,this.options));this.viewport({});this.loadPrimitives();void 0!==a.transition&&this.transition(a.transition);void 0!==a.speed&&this.speed(a.speed)};
+MathBox.Stage.prototype=new THREE.Object3D;MathBox.Attributes.mixin(MathBox.Stage);MicroEvent.mixin(MathBox.Stage);
+MathBox.Stage.prototype=_.extend(MathBox.Stage.prototype,{update:function(){var a=this._viewport,b=this._world.tCamera(),c=this.width,d=this.height,e=this._speed;this.cameraProxy.update();var f=+new Date;this.last||(this.last=f-1E3/60);this.animator.update(e*(f-this.last));this.last=f;a.update(this);_.each(this.primitives,function(e){e.adjust(a,b,c,d,this);e=e.renderables();_.each(e,function(e){e.isVisible()&&e.adjust(a,b,c,d,this)}.bind(this))}.bind(this));this.overlay&&this.overlay.update(b)},add:function(a,
+b){if(a instanceof THREE.Object3D)return a instanceof MathBox.Sprite?this.overlay.add(a):THREE.Object3D.prototype.add.call(this,a);this._add(a);b=this.animateOptions(b);var c=a.style.get("opacity");b&&0<c&&(a.style.set("opacity",0),this.animator.animate(a.style,{opacity:c},b));return this},remove:function(a,b){if(a instanceof THREE.Object3D)return a instanceof MathBox.Sprite?this.overlay.remove(a):THREE.Object3D.prototype.remove.call(this,a);if("string"==typeof a)return _.each(this.select(a),function(a){this.remove(a,
+b)}.bind(this));if(!a.singleton){var c=function(){this._remove(a)}.bind(this);b=this.animateOptions(b);var d=a.style.get("opacity");b&&0<d?(b.callback=c,this.animator.animate(a.style,{opacity:0},b),a.removed=!0):c();return this}},_add:function(a){var b=this.materials;-1==this.primitives.indexOf(a)&&(this.primitives.push(a),a.make(),a=a.renderables(),_.each(a,function(a){a.make(b);a.object&&this.add(a.object)}.bind(this)))},_remove:function(a){if(-1!=this.primitives.indexOf(a)){this.primitives.splice(this.primitives.indexOf(a),
+1);var b=a.renderables();_.each(b,function(a){a.object&&this.remove(a.object);a.destroy()}.bind(this));a.destroy()}},select:function(a,b){var c=[];if("object"==typeof a)return a.constructor==Array?a:[a];var d=function(a){var c=[];if("*"==a)return c=this.primitives.slice(),c.push(this.viewport()),c.push(this.cameraProxy),c;if(a==+a)return _.each(this.primitives,function(d){!b&&d.removed||d.get("sequence")!=a||c.push(d)}),c;var d=a.match(/^\s*#([a-zA-Z0-9_-]+)|([a-zA-Z0-9_-]+)?\s*$/);if(!d)return[];
+var h=d[2],l=d[1];if(l)_.each(this.primitives,function(a){!b&&a.removed||a.get("id")!=l||c.push(a)});else{if("camera"==h)return this.cameraProxy&&[this.cameraProxy]||[];if("viewport"==h)return[this.viewport()];h&&_.each(this.primitives,function(a){!b&&a.removed||a.type()!=h||c.push(a)})}return c}.bind(this),c=[];a=(""+a).split(",");_.each(a,function(a){c=c.concat(d(a))});return c},set:function(a,b){b=this.extractStyle(b);_.each(this.select(a),function(a){a.set(b);b.style&&a.style.set(b.style)});return this},
+get:function(a){var b=this.animator;a=this.select(a);if(1>a.length)return{};var c=a[0];a=b.finalState(c);c.style&&(b=b.finalState(c.style),a.style=b);return a},transition:function(a){return void 0!==a?(this._transition=a,this):this._transition},speed:function(a){return void 0!==a?(this._speed=a,this):this._speed},animateOptions:function(a,b){var c=this._transition;!0===a&&(a={});if(c||b||a&&(a.delay||a.duration||a.hold))a=_.extend({delay:0,duration:c||0,hold:0},a||{});if(a&&(a.delay||a.duration||
+a.hold))return a},animate:function(a,b,c){var d=this.animator;b=this.extractStyle(b);c=this.animateOptions(c,!0);b.style&&(_.each(this.select(a),function(a){c?d.animate(a.style,b.style,c):a.style.set(b.style)}),b=_.extend({},b),delete b.style);_.each(this.select(a),function(a){c?d.animate(a,b,c):a.set(b)});return this},clone:function(a,b,c){_.each(this.select(a),function(a){var e=this.get(a);delete e.sequence;var f=_.extend({},b),g=[];_.each(b,function(a,c){if("id"==c||"boolean"==typeof a||null===
+a)e[c]=b[c],g.push(c)});_.each(g,function(a){delete f[a]});e.id==a.get("id")&&(e.id=(e.id||"")+"-clone");a=this.spawn(a.type(),e,{duration:0});this.animate(a,f,c)}.bind(this));return this},hurry:function(a,b,c){var d=this.animator;_.each(this.select(a,!0),function(a){d.hurry(a,b,c);a.style&&d.hurry(a.style,b,c)});return this},halt:function(a,b){var c=this.animator;_.each(this.select(a,!0),function(a){c.stop(a,b);a.style&&c.stop(a.style,b)});return this},viewport:function(a){if(void 0!==a){if(!this._viewport||
+a.type&&a.type!=this.options.viewport.type){this._viewport&&(a=_.extend({},this._viewport.get(),a));this._viewport=MathBox.Viewport.make(a);a=this.primitives.slice();var b=this;_.each(a,function(a){b._remove(a);b._add(a)})}else this._viewport.set(a);this.options.viewport=this._viewport.get();return this}return this._viewport},camera:function(a){_.each(this.select("camera"),function(b){b.set(a)});return this},start:function(){this._world&&this._world.start();return this},stop:function(){this._world&&
+this._world.stop();return this},world:function(){return this._world},extractStyle:function(a){var b=MathBox.Style.prototype.defaults(),c=null;_.each(a,function(d,e){void 0!==b[e]&&(delete a[e],c=c||{},c[e]=d)});c&&(a.style=_.extend(a.style||{},c));return a},spawn:function(a,b,c){return MathBox.Primitive.types[a]?(this[a](b,c),this.primitives[this.primitives.length-1]):this},loadPrimitives:function(){_.each(MathBox.Primitive.types,function(a,b){this[b]=function(b,d){a.validateArgs&&(b=a.validateArgs(b));
+var e=new a(this.extractStyle(b));this.add(e,d);return this}}.bind(this))}});MathBox.Materials=function(a){this.stage=a;this.cache={}};
+MathBox.Materials.prototype={hash:function(a){var b=Object.keys(a),c="";b.sort();_.each(b,function(b){c+=b+"/";c+=a[b]+"/"});return c},clone:function(a){var b=new THREE.ShaderMaterial({vertexShader:a.vertexShader,fragmentShader:a.fragmentShader});b.attributes=a.attributes?{}:null;b.uniforms={};b.wireframe=a.wireframe;b.applyUniforms=a.applyUniforms;b.applyAttributes=a.applyAttributes;_.each(a.uniforms,function(a,d){b.uniforms[d]={type:a.type,value:a.value&&a.value.clone?a.value.clone():a.value}});
+_.each(a.attributes,function(a,d){b.attributes[d]={type:a.type,value:a.value}});return b},generic:function(a){a=a||{};if(!a.shaders||!Object.keys(a.shaders).length){var b=this.hash(a);if(this.cache[b])return this.clone(this.cache[b])}var c=this.factory(),d=a.shaders||{};d.position?d.position(c,this):(this.position(c,a),a.absolute||(a.shaded&&a.smooth?(c.group(),this.viewport(c),c.next(),this.viewport(c),c.next(),this.viewport(c),c.combine()):this.viewport(c)));a=this.finalize(c,a);b&&(this.cache[b]=
+a);return a},position:function(a,b){b=b||{};a.snippet(b.shaded&&b.smooth?"getPositionDUDV":"getPosition");b.absolute||(b.shaded&&b.smooth?a.group().snippet("mathTransform").next().snippet("mathTransform").next().snippet("mathTransform").combine():a.snippet("mathTransform"));return a},factory:function(){return new ShaderGraph.Factory},finalize:function(a,b){b=b||{};var c=b.shaders||{};b.shaded?b.smooth?a.snippet("projectToViewDUDV"):a.snippet("projectToViewNormal"):a.snippet("projectToView");c.material?
+c.material(a,this):a.material("vertexOutput",{points:"fragmentSolidPoint",mesh:b.shaded?"fragmentShaded":"fragmentSolid"}[b.type]||"fragmentSolid");c=a.end().compile();c=new THREE.ShaderMaterial({uniforms:c.uniforms,attributes:c.attributes,vertexShader:c.vertexShader,fragmentShader:c.fragmentShader});b.wireframe&&(c.wireframe=!0);var d=this.apply.bind(this);c.applyUniforms=function(a){d(this,a,"uniforms")};c.applyAttributes=function(a){d(this,a,"attributes")};return c},apply:function(a,b,c){var d=
+a[c];_.each(b,function(a,b){var c=d[b];c&&(a instanceof THREE.Color&&(a.x=a.r,a.y=a.g,a.z=a.b),c.value=a,c.needsUpdate=!0)});if("uniforms"==c){c=a.uniforms;if(b.map&&(c.texture&&(c.texture.value=b.map),c.offsetRepeat)){var e=b.map.offset,f=b.map.repeat;c.offsetRepeat.value.set(e.x,e.y,f.x,f.y)}void 0!==b.lineWidth&&(a.wireframeLinewidth=a.linewidth=b.lineWidth);void 0!==b.opacity&&(a.transparent=1>b.opacity)}},viewport:function(a,b){this.stage.viewport().shader(a,b)}};
+MathBox.Ticks=function(a,b,c,d,e,f,g){var h=(b-a)/(c||10);d=d||1;e=e||10;var l=d*((g||0)+Math.pow(e,Math.floor(Math.log(h/d)/Math.log(e))));c=_.map(0==e%2?[e/2,1,0.5]:[1],function(a){return l*a});var k=_.reduce(c,function(a,b){return Math.abs(b-h)<Math.abs(a-h)?b:a},l);f=+!f;a=(Math.ceil(a/k)+f)*k;b=(Math.floor(b/k)-f)*k;c=Math.ceil((b-a)/k)+1;var q=[];_.loop(c,function(b){q.push(a+b*k)});return q};MathBox.TicksLog=function(a,b,c,d,e,f){};
+tQuery.World.registerInstance("mathBox",function(a,b){a=a||document.body;this.threeBox(a,b);var c=new MathBox.Overlay;a.appendChild(c.domElement);c.domElement.style.position="absolute";c.domElement.style.left=0;c.domElement.style.top=0;c.domElement.style.right=0;c.domElement.style.bottom=0;var d=new MathBox.Stage(b,this,c),e=function(){d.update()};this.tScene().add(d);this._renderer.setClearColorHex(16777215,1);d.unhook=function(){this.loop().unhookPreRender(e)};this.loop().hookPreRender(e);b.cameraControls||
+(c=this.tCamera(),c.position.x=0,c.position.y=0,c.position.z=b.orbit,c.lookAt(new THREE.Vector3(0,0,0)));return d});MathBox.Director=function(a,b){this._stage=a;this.script=b||[];this.rollback={};this.clocks={};this.time=this.lastCommand=this.step=0;this.lastTime=+new Date};
+MathBox.Director.prototype={clock:function(a,b){if(a>this.step)return 0;var c=+new Date;this.time+=(c-this.lastTime)*this.stage().speed();this.lastTime=c;if(b||!this.clocks[a])this.clocks[a]=this.time;return 0.001*(this.time-this.clocks[a])},invert:function(a){var b=this._stage,c=[],d,e=a[0],f=a[1],g=a[2]||{},h=a[3];"remove"==e&&(h=g);h={delay:h&&void 0!==h.hold?h.hold/4:0,duration:h&&void 0!==h.duration?h.duration/4:0,hold:h&&void 0!==h.delay?h.delay/4:0};switch(e){case "add":d=[0];case "clone":d=
+d||b.select(f);_.each(d,function(a,b){c.push(["remove",g.sequence||MathBox.Primitive.sequence+1+b,h])});break;case "remove":d=b.select(f);_.each(d,function(a){c.push(["add",a.type(),b.get(a),h])});break;case "animate":case "set":d=b.select(f),_.each(d,function(a){var d=b.get(a),f={};for(i in g)f[i]=d.style&&void 0!==d.style[i]?d.style[i]:d[i];c.push([e,a.singleton||a.get("sequence"),f,h])})}return c},invertDelay:function(a){function b(a){var b=a[2]||{},c=["opacity"];if("animate"==a[0])for(d in c=
+[],b)if("style"==d)for(j in b.style)c.push(j);else c.push(d);return c}var c=[],d,e={};a.forEach(function(a){var c=a[0],d=a[1]||"",f=a[2]||{},g=a[3]||{};if("set"==c)return null;"add"==c&&(d=f.sequence);"remove"==c&&(g=f);b(a).forEach(function(a){a=[d,a].join(".");e[a]||(e[a]=[]);g=g||{};e[a].push((g.delay||0)+(g.duration||0)+(g.hold||0))})});var f=0;for(d in e)var g=e[d]=e[d].reduce(function(a,b){return a+b}),f=Math.max(f,g);a.forEach(function(a){var d=a[0],g=a[1]||"",q=a[2]||{},s=a[3]||{},t;if("set"==
+d)return c.push(a);"add"==d&&(t=g,g=q.sequence);"remove"==d&&(s=q);b(a).forEach(function(a){var b=[g,a].join("."),h=s.delay||0,x=s.duration||0,y=s.hold||0;void 0!==e[b]&&(h+=f-e[b],delete e[b]);s={delay:h,duration:x,hold:y};"add"==d&&c.push([d,t,q,s]);"remove"==d?c.push([d,g,s]):(b={},b[a]=q.style&&void 0!==q.style[a]?q.style[a]:q[a],c.push([d,g,b,s]))})});return c},apply:function(a,b,c,d){var e=this._stage;_.each(a,function(a){var g=a[0]||"",h=a[1]||"",l=a[2]||{},k=a[3]||{};"remove"==g&&(k=l);b&&
+(a=this.invert(a),a=[0,0].concat(a),Array.prototype.splice.apply(b,a));d&&k&&(k=_.extend({},k),k.delay/=2,k.duration/=2,k.hold/=2);c&&(k={delay:0,duration:0,hold:0},"animate"==g&&(g="set"));switch(g){case "clone":e.clone(h,l,k);break;case "add":e.spawn(h,l,k);break;case "remove":_.each(e.select(h),function(a){e.remove(a,k)});break;case "set":var g=e.select(h),q=l.constructor==Array;_.each(g,function(a,b){e.set(a,q?l[b]:l)});break;case "animate":g=e.select(h),q=l.constructor==Array,_.each(g,function(a,
+b){e.animate(a,q?l[b]:l,k)})}}.bind(this));return this},insert:function(a){a[0].constructor!=Array&&(a=[a]);this.script.splice(this.step,0,a);this.forward();return this},is:function(a){if(!this.script.length)return!1;for(;0>a;)a+=this.script.length+1;for(;a>=this.script.length+1;)a-=this.script.length+1;return a==this.step},isFirst:function(){return this.is(0)},isLast:function(){return this.is(-1)},go:function(a,b){if(this.script.length){for(;0>a;)a+=this.script.length+1;for(;a>=this.script.length+
+1;)a-=this.script.length+1;for(;a>this.step;)this.forward(b);for(;a<this.step;)this.back(b)}},skipping:function(){var a=+new Date,b=!1;500>a-this.lastCommand&&(b=!0);this.stage().hurry("*");this.lastCommand=a;return b},forward:function(a,b){if(!(this.step>=this.script.length)){var c=this.step,d=this.script[c],e=this.rollback[c]=[];this.step++;var f=function(){this.apply(d,e,a,a?!1:this.skipping());this.rollback[c]=this.invertDelay(e);this.clock(c+1,!0);this.emit("go",c+1,1)}.bind(this);b?setTimeout(f,
++b):f();return this}},back:function(a,b){if(!(0>=this.step)){this.step--;var c=this.step,d=this.rollback[c],e=function(){this.apply(d,null,a||this.skipping());delete this.rollback[c];this.emit("go",c,-1)}.bind(this);b?setTimeout(e,+b):e();return this}},stage:function(){return this._stage}};_.each(MathBox.Stage.prototype,function(a,b){MathBox.Director.prototype[b]||(MathBox.Director.prototype[b]=function(){var b=this.stage[a].apply(this.stage,arguments);return b===this.stage?this:b})});MicroEvent.mixin(MathBox.Director);
+MathBox.Style=function(a){var b=this.defaults();a=_.extend(b,a||{});this.set(a)};
+MathBox.Style.prototype={defaults:function(){return{color:new THREE.Color(3178736),opacity:1,lineWidth:2,pointSize:5,mathScale:new THREE.Vector3(1,1,1),mathRotation:new THREE.Vector3,mathPosition:new THREE.Vector3,worldScale:new THREE.Vector3(1,1,1),worldRotation:new THREE.Vector3,worldPosition:new THREE.Vector3,zIndex:0,map:null,mapColor:0,mapOpacity:0}},validateColor:function(a){if(a.constructor==Array){a=a.concat([0,0,0]);var b=new THREE.Color;return b.setRGB.apply(b,a)}return a.constructor==Number?
+new THREE.Color(a):a.constructor!=THREE.Color?this.get("color"):a},validateMathScale:function(a){if(a.constructor==Array){a=a.concat([1,1,1]);var b=new THREE.Vector3;return b.set.apply(b,a)}return a.constructor!=THREE.Vector3?this.get("mathScale"):a},validateMathRotation:function(a){if(a.constructor==Array){a=a.concat([0,0,0]);var b=new THREE.Vector3;return b.set.apply(b,a)}return a.constructor!=THREE.Vector3?this.get("mathRotation"):a},validateMathPosition:function(a){if(a.constructor==Array){a=
+a.concat([0,0,0]);var b=new THREE.Vector3;return b.set.apply(b,a)}return a.constructor!=THREE.Vector3?this.get("mathPosition"):a},validateWorldScale:function(a){if(a.constructor==Array){a=a.concat([1,1,1]);var b=new THREE.Vector3;return b.set.apply(b,a)}return a.constructor!=THREE.Vector3?this.get("worldScale"):a},validateWorldRotation:function(a){if(a.constructor==Array){a=a.concat([0,0,0]);var b=new THREE.Vector3;return b.set.apply(b,a)}return a.constructor!=THREE.Vector3?this.get("worldRotation"):
+a},validateWorldPosition:function(a){if(a.constructor==Array){a=a.concat([0,0,0]);var b=new THREE.Vector3;return b.set.apply(b,a)}return a.constructor!=THREE.Vector3?this.get("worldPosition"):a}};MathBox.Attributes.mixin(MathBox.Style);
+MathBox.CameraProxy=function(a,b){this.set({orbit:void 0===b.orbit?3.5:b.orbit,phi:void 0===b.phi?\u03c4/4:b.phi,theta:b.theta||0,lookAt:b.lookAt||[0,0,0]});this.singleton="camera";var c=this.controls=a.getCameraControls()||ThreeBox.OrbitControls.bind(a.tCamera(),null,this.get());this.on("change",function(a){_.each(a,function(a,b){"lookAt"!=b&&(c[b]=a)});a.lookAt&&c.lookAt.set.apply(c.lookAt,a.lookAt);c.update()});c.update();this.update=function(){this.set({orbit:c.orbit,phi:c.phi,theta:c.theta},
+null,!0);var a=this.get("lookAt");a[0]=c.lookAt.x;a[1]=c.lookAt.y;a[2]=c.lookAt.z}};MathBox.Attributes.mixin(MathBox.CameraProxy);MathBox.Overlay=function(){(this.domElement=document.createElement("div")).className="mathbox-overlay";this.sprites=[];this.v=new THREE.Vector3;this.q=new THREE.Vector3};
+MathBox.Overlay.prototype={size:function(a,b){this.width=a;this.height=b;this.domElement.style.width=a+"px";this.domElement.style.height=b+"px"},add:function(a){-1==this.sprites.indexOf(a)&&(this.sprites.push(a),a.element.parentNode||this.domElement.appendChild(a.element),_.each(a.children,function(a){this.add(a)}.bind(this)))},remove:function(a){var b;-1!=(b=this.sprites.indexOf(a))&&(this.sprites.splice(b,1),a.element.parentNode&&a.element.parentNode.removeChild(a.element),_.each(a.children,function(a){this.remove(a)}.bind(this)))},
+update:function(a){this.fov=0.5/Math.tan(a.fov*Math.PI/360)*this.height;_.each(this.sprites,function(b){this._update(b,a)}.bind(this));_.each(this.sprites,function(b){this._measure(b,a)}.bind(this));_.each(this.sprites,function(b){this._vis(b,a)}.bind(this))},_measure:function(a,b){if(a.measure){var c=a.element;a.width=c.offsetWidth;a.height=c.offsetHeight;a.measure=!1}},_vis:function(a,b){if(a.render&&(a.width||a.height)){var c=a.left,d=a.top,e=a.width+c,f=a.height+d;found=!1;_.each(this.sprites,
+function(b){if(b===a)found=!0;else if(found&&b.render){var h=b.left,l=b.top,k=b.width+h,q=b.height+l;e<h||c>k||f<l||d>q||(b.element.style.display="none",b.render=!1)}})}},_update:function(a,b){for(var c=this.v,d=this.q,e=a.render,f=a.visible,g=a.parent;f&&g;)f=f&&g.visible,g=g.parent;a.render=f&&0<a.opacity;if(a.render)e||(a.element.style.display="block"),c.copy(a.position),b.matrixWorldInverse.multiplyVector3(c),e=-(c.x/c.z)*this.fov+0.5*this.width,f=c.y/c.z*this.fov+0.5*this.height,a.distance&&
+(d.copy(a.tangent).multiplyScalar(0.01),d.addSelf(a.position),b.matrixWorldInverse.multiplyVector3(d),g=0<a.distance?1:-1,d.subSelf(c),d.z=0,d.normalize().multiplyScalar(a.distance),e+=Math.abs(d.y)*g,f+=Math.abs(d.x)*g),e=Math.round(e),f=Math.round(f),a.left!==e&&(a.left=e,a.element.style.left=e+"px"),a.top!==f&&(a.top=f,a.element.style.top=f+"px"),a.lastOpacity!==a.opacity&&(a.element.style.opacity=a.opacity,a.lastOpacity=a.opacity);else if(e||null===e)a.element.style.display="none"}};
+MathBox.Sprite=function(a,b,c){this.element=a;this.tangent=b||new THREE.Vector3(1,0,0);this.distance=c||0;this.height=this.width=0;this.measure=this.visible=!0;this.render=null;this.content="";this.lastOpacity=this.lastTop=this.lastLeft=null;a.style.position="absolute";a.style.left=0;a.style.top=0;a.style.opacity=0;THREE.Object3D.call(this)};MathBox.Sprite.prototype=_.extend(new THREE.Object3D,{});
+MathBox.Primitive=function(a){if(null!==a){var b=this.defaults();a&&(a.style=_.extend(b.style,a.style||{}),a=_.extend(b,a||{}));a=a||b;this.set(a);this.style=new MathBox.Style;this.style.set(this.get().style||{});this.on("change",function(a){void 0!==a.style&&this.style.set(a.style)}.bind(this));this.set("sequence",a.sequence||++MathBox.Primitive.sequence);this.set("id",a.id||this.sequence);this.init()}};MathBox.Primitive.sequence=0;MathBox.Primitive.types={};
+MathBox.Primitive.prototype={defaults:function(){return{}},type:function(){return"primitive"},init:function(){},make:function(){},destroy:function(){},renderables:function(){return[]},adjust:function(a){}};MathBox.Attributes.mixin(MathBox.Primitive);MicroEvent.mixin(MathBox.Primitive);MathBox.Curve=function(a){null!==a&&MathBox.Primitive.call(this,a)};
+MathBox.Curve.prototype=_.extend(new MathBox.Primitive(null),{defaults:function(){return{n:64,domain:[0,1],data:null,expression:function(){return 0},live:!0,points:!1,line:!0,style:{}}},type:function(){return"curve"},renderables:function(){return[this.line,this.points]},adjust:function(a){a=this.get();this.line.show(a.line);this.points.show(a.points);(a.line||a.points)&&0<this.style.get("opacity")&&a.live&&this.calculate()},make:function(){var a=this.get(),b=this.style,c=a.n,d=this.vertices=[];_.loop(c,
+function(){d.push(new THREE.Vector3)});c=function(c){return new MathBox.Renderable.Mesh(d,{type:c,dynamic:a.live},b)};this.line=c("line");this.points=c("points");this.calculate()},calculate:function(){var a=this.vertices,b=this.get(),c=b.data,d=b.domain,e=b.n,f=d[0],g=(d[1]-f)/(e-1),h;_.loop(e,function(d){h=c&&void 0!==c[d]?c[d]:b.expression.call(this,f,d);var e=0,q=0,s=0;if(h instanceof Array){var t=h.length;0<t&&(e=h[0]);1<t&&(q=h[1]);2<t&&(s=h[2])}else e=f,q=+h;a[d].set(e,q,s);f+=g}.bind(this))}});
+MathBox.Primitive.types.curve=MathBox.Curve;MathBox.Bezier=function(a){MathBox.Curve.call(this,a)};
+MathBox.Bezier.prototype=_.extend(new MathBox.Curve(null),{defaults:function(){return{n:64,domain:[0,1],data:null,order:3,expression:function(){return 0},live:!0,points:!1,line:!0,style:{}}},type:function(){return"bezier"},calculate:function(){var a=this.vertices,b=this.get(),c=b.domain,d=b.data,e=b.order,f=b.n;if(1>e||3<e)throw"Bezier curve order must be 1, 2 or 3.";var g=[],h;_.loop(e+1,function(a){h=d&&void 0!==d[a]?d[a]:b.expression.call(this,a,a);var c=a=0,e=0;if(h instanceof Array){var f=h.length;
+0<f&&(a=h[0]);1<f&&(c=h[1]);2<f&&(e=h[2])}else a=k,c=+h;g.push(new THREE.Vector3(a,c,e))}.bind(this));var l={bezierPoints:g},k=c[0],q=(c[1]-k)/(f-1);_.loop(f,function(b){a[b].set(k,0,0);k+=q});c={uniforms:l,shaders:{position:function(a,b){a.snippet("bezier"+e).snippet("mathTransform");b.viewport(a)}}};this.line.set(c);this.points.set(c)}});MathBox.Primitive.types.bezier=MathBox.Bezier;
+MathBox.Axis=function(a){null!==a&&(MathBox.Primitive.call(this,a),this.on("change",function(a){void 0!==a.size&&this.arrow&&this.arrow.set("size",a.size)}))};
+MathBox.Axis.prototype=_.extend(new MathBox.Primitive(null),{defaults:function(){return{axis:0,offset:[0,0,0],n:2,arrow:!0,line:!0,labels:!1,decimals:2,distance:15,ticks:10,tickUnit:1,tickScale:10,size:0.07,style:{lineWidth:4,color:new THREE.Color(7368816)},formatter:null,zero:!0}},renderables:function(){return[this.line,this.ticks,this.arrow,this.labels]},type:function(){return"axis"},adjust:function(a,b){var c=this.get(),d=c.axis,e=c.offset,f=c.arrow,g=c.line,h=c.labels,l=c.n,k=c.ticks,q=c.tickUnit,
+s=c.tickScale,c=c.decimals,t=this.points,v=this.labelPoints,u=this.labelTangent,w=this.tickPoints,x=this.tickSigns,y=[0,0,0],A=new THREE.Vector3;new THREE.Vector4;var C=a.axis(d),B=C[0],C=C[1],z=(C-B)/(l-1);A.set.apply(A,e);_.loop(l,function(a){y[d]=B+a*z;t[a].set.apply(t[a],y);t[a].addSelf(A)});this.line.show(g);this.arrow.show(f);l=this.scale=MathBox.Ticks(B,C,k,q,s,!0);this.ticks.show(!!k);if(k){k=Math.floor(w.length/2);l.length>k&&(l=l.slice(0,k));var k=[0,0,0],D;k[2==d?0:1-d]=0.01*(C-B);this.epsilon.set.apply(this.epsilon,
+k);y=[0,0,0];_.each(l,function(a,b){y[d]=a;var c=2*b;w[c].set.apply(w[c],y);w[c].addSelf(A);x[c]=1;w[c+1].copy(w[c]);x[c+1]=-1;v[b].copy(w[c]);D=c+1});k=D+1;for(l=w.length;k<l;)w[k].copy(w[D]),x[k]=x[D],k++}y=[0,0,0];y[d]=1;u.set.apply(u,y);this.labels.show(!!h);this.labels.set("decimals",c)},make:function(){var a=this.get(),b=a.n,c=a.size,d=a.ticks,e=a.distance,f=a.formatter,g=this.style,h=this.points=[],l=this.labelPoints=[],k=this.labelTangent=new THREE.Vector3,q=this.tickPoints=[],s=this.tickSigns=
+[],t=this.epsilon=new THREE.Vector3;_.loop(b,function(a){h.push(new THREE.Vector3)});_.loop(4*d,function(a){l.push(new THREE.Vector3)});_.loop(8*d,function(a){q.push(new THREE.Vector3);s.push(1)});var d={dynamic:!0,size:c,offset:0.5},c={dynamic:!0,size:0.2*c},e={dynamic:!0,distance:e},v=function(b){b=this.scale[b];return 0!=b||a.zero?f?f(b):b:""}.bind(this);this.line=new MathBox.Renderable.Mesh(h,{dynamic:!0,type:"line"},g);this.arrow=new MathBox.Renderable.ArrowHead(h[b-2],h[b-1],d,g);this.ticks=
+new MathBox.Renderable.Ticks(q,s,t,c,g);this.labels=new MathBox.Renderable.Labels(l,k,v,e,g)}});MathBox.Axis.validateArgs=function(a){"number"==typeof a&&(a={axis:a});return a};MathBox.Primitive.types.axis=MathBox.Axis;MathBox.Grid=function(a){null!==a&&MathBox.Primitive.call(this,a)};
+MathBox.Grid.prototype=_.extend(new MathBox.Primitive(null),{defaults:function(){return{axis:[0,1],offset:[0,0,0],show:[!0,!0],n:2,ticks:[10,10],tickUnit:[1,1],tickScale:[10,10],style:{lineWidth:1,color:new THREE.Color(10526880)}}},type:function(){return"grid"},renderables:function(){return this.lines||[]},adjust:function(a){function b(a,b,c,d,e){var f=k.slice(),g=0,h=MathBox.Ticks(b.min,b.max,b.ticks,b.tickUnit,b.tickScale,!0);h.length>d&&(h=h.slice(0,d));_.each(h,function(d){f[b.axis]=d+k[b.axis];
+f[c.axis]=c.min+k[c.axis];_.loop(e-1,function(b){a[g].set.apply(a[g],f);g++;f[c.axis]+=c.inv;a[g].set.apply(a[g],f);g++})});d=Math.max(0,g-1);for(h=a.length;g<h;)a[g++].copy(a[d])}var c=this.get(),d=c.axis,e=c.ticks,f=c.tickUnit,g=c.tickScale,h=c.n,l=c.show,k=c.offset,c=this.points,q=this.limit,s=[];"number"==typeof h&&(h=[h,h]);_.each(d,function(b,c){var d=a.axis(b);s.push({axis:b,min:d[0],max:d[1],inv:(d[1]-d[0])/(h[c]-1),ticks:e[c],tickUnit:f[c],tickScale:g[c]})});this.lines[0].show(l[0]);this.lines[1].show(l[1]);
+l[0]&&b(c[0],s[1],s[0],q[0],h[0]);l[1]&&b(c[1],s[0],s[1],q[1],h[1])},make:function(a){var b=this.get();a=b.ticks;var c=b.n,d=this.points=[[],[]],b=this.style;"number"==typeof c&&(c=[c,c]);var e=this.limit=[0,0];_.each(a,function(a,b){b=1-b;e[b]=4*a;_.loop(e[b]*(c[b]-1)*2,function(a){d[b].push(new THREE.Vector3)})});this.lines=[];this.lines.push(new MathBox.Renderable.Mesh(d[0],{type:"line",strip:!1,dynamic:!0},b));this.lines.push(new MathBox.Renderable.Mesh(d[1],{type:"line",strip:!1,dynamic:!0},
+b))}});MathBox.Primitive.types.grid=MathBox.Grid;MathBox.Vector=function(a){null!==a&&(MathBox.Primitive.call(this,a),this.render=[],this.arrows=[],this.line=this.points=this.vertices=null,this.on("change",function(a){void 0!==a.size&&_.each(this.arrows,function(c){c.set("size",a.size)})}))};MathBox.Vector.vLast=new THREE.Vector3;MathBox.Vector.vCurrent=new THREE.Vector3;
+MathBox.Vector.prototype=_.extend(new MathBox.Primitive(null),{defaults:function(){return{n:1,data:null,arrow:!0,expression:function(){return 0},live:!0,style:{},size:0.07}},type:function(){return"vector"},renderables:function(){return this.render},adjust:function(a){var b=this.get();0<this.style.get("opacity")&&(b.arrow||b.live)&&this.calculate(a);_.each(this.arrows,function(a){a.show(b.arrow)})},make:function(){var a=this.get(),b=a.arrow,c=this.style,d=a.n,e=this.vertices=[],f=this.points=[],g=
+this.render=[],h=this.arrows=[],l={dynamic:a.live,type:"line",strip:!1},k={size:a.size},q=0;_.loop(d,function(){e.push(new THREE.Vector3);e.push(new THREE.Vector3);f.push(new THREE.Vector3);f.push(new THREE.Vector3);if(b){var a=new MathBox.Renderable.ArrowHead(f[q++],f[q++],k,c);g.push(a);h.push(a)}});this.line=new MathBox.Renderable.Mesh(e,l,c);g.push(this.line);this.calculate()},calculate:function(a){var b=this.vertices,c=this.arrows,d=this.points,e=this.get(),f=e.data,g=e.arrow,h=e.n,l=e.size,
+k=this.style.get("mathScale"),q=0,s=0;_.loop(2*h,function(h){p=f&&void 0!==f[h]?f[h]:e.expression.call(this,s,q);var v=0,u=0,w=0;if(p instanceof Array){var x=p.length;0<x&&(v=p[0]);1<x&&(u=p[1]);2<x&&(w=p[2])}else v=h,u=+p,w=0;d[h].set(v,u,w);b[h].set(v,u,w);a&&g&&1==h%2&&(v=MathBox.Vector.vLast,u=MathBox.Vector.vCurrent,u.copy(b[h]),v.copy(b[h-1]),a.to(u),a.to(v),u.subSelf(v).multiplySelf(k),x=u.length(),w=Math.min(1,0.5*x/l),w=(1-(1-w)*(1-w))*l,x-=w,u.normalize().multiplyScalar(x).divideSelf(k).addSelf(v),
+a.from(u),b[h].copy(u),c[s].set({size:w}));s=q?s+1:s;q=(q+1)%2}.bind(this))}});MathBox.Primitive.types.vector=MathBox.Vector;MathBox.Surface=function(a){null!==a&&MathBox.Primitive.call(this,a)};
+MathBox.Surface.prototype=_.extend(new MathBox.Primitive(null),{defaults:function(){return{n:[64,64],domain:[[0,1],[0,1]],data:null,expression:function(){return 0},live:!0,points:!1,line:!1,mesh:!0,doubleSided:!0,flipSided:!1,shaded:!0,style:{}}},type:function(){return"surface"},renderables:function(){return[this.mesh,this.line,this.points]},adjust:function(a){a=this.get();this.mesh.show(a.mesh);this.line.show(a.line);this.points.show(a.points);(a.mesh||a.line||a.points)&&0<this.style.get("opacity")&&
+a.live&&this.calculate()},make:function(){var a=this.get(),b=this.style,c=a.n;"number"==typeof c&&(c=[c,c]);var d=this.geometry=new THREE.PlaneGeometry(2,2,c[0]-1,c[1]-1);this.vertices=d.vertices;this.mesh=new MathBox.Renderable.Mesh(d,{type:"mesh",doubleSided:a.doubleSided,flipSided:a.flipSided,shaded:a.shaded,smooth:!0,dynamic:a.live},b);this.line=new MathBox.Renderable.Mesh(d,{type:"mesh",shaded:a.shaded,smooth:!0,dynamic:a.live,wireframe:!0},b);this.points=new MathBox.Renderable.Mesh(d.vertices,
+{type:"points",dynamic:a.live},b);if(a.shaded){var e=this.tangents=[[],[]];_.loop(c[0]*c[1],function(){e[0].push(new THREE.Vector3);e[1].push(new THREE.Vector3)})}this.calculate()},calculate:function(){var a=this.vertices,b=this.tangents,c=this.get(),d=c.data,e=c.domain,f=c.n,g=c.flipSided,h=g?1:0,g=g?0:1;"number"==typeof f&&(f=[f,f]);var l=e[0][0],k=e[1][0],q=(e[0][1]-l)/(f[0]-1),s=(e[1][1]-k)/(f[1]-1),t,v=0;_.loop(f[1],function(b){l=e[0][0];_.loop(f[0],function(e){t=d&&void 0!==d[b]&&void 0!==d[b][e]?
+d[b][e]:c.expression.call(this,l,k,e,b,v);var f=e=0,g=0;if(t instanceof Array){var h=t.length;0<h&&(e=t[0]);1<h&&(f=t[1]);2<h&&(g=t[2])}else e=l,f=+t,g=k;a[v].set(e,f,g);l+=q;v++}.bind(this));k+=s}.bind(this));if(c.shaded){var v=0,k=e[1][0],u=f[0];_.loop(f[1],function(c){l=e[0][0];var d=c?c-1:0,g=Math.min(f[1]-1,c+1);_.loop(f[0],function(e){var h=e?e-1:0,k=Math.min(f[0]-1,e+1),s=a[e+c*u];k==e?b[0][v].sub(s,a[h+c*u]).addSelf(s):b[0][v].copy(a[k+c*u]);g==c?b[1][v].sub(s,a[e+d*u]).addSelf(s):b[1][v].copy(a[e+
+g*u]);l+=q;v++});k+=s});this.line.set("attributes",{positionDU:b[h],positionDV:b[g]});this.mesh.set("attributes",{positionDU:b[h],positionDV:b[g]})}}});MathBox.Primitive.types.surface=MathBox.Surface;MathBox.BezierSurface=function(a){this.matrixX=new THREE.Matrix4;this.matrixY=new THREE.Matrix4;this.matrixZ=new THREE.Matrix4;this.coefficients=new THREE.Matrix4(-1,3,-3,1,3,-6,3,0,-3,3,0,0,1,0,0,0);MathBox.Surface.call(this,a)};
+MathBox.BezierSurface.prototype=_.extend(new MathBox.Surface(null),{defaults:function(){return{n:[64,64],domain:[[0,1],[0,1]],data:null,order:3,expression:function(){return 0},live:!0,points:!1,line:!1,mesh:!0,doubleSided:!0,flipSided:!1,shaded:!0,style:{}}},type:function(){return"bezierSurface"},calculate:function(){var a=this.vertices,b=this.get(),c=b.domain,d=b.data,e=b.order,f=b.shaded,g=b.n;"number"==typeof g&&(g=[g,g]);if(3!=e)throw"Bezier surface order must be 3.";var h=[],l;_.loop(e+1,function(a){_.loop(e+
+1,function(c){l=d&&void 0!==d[a]&&void 0!==d[a][c]?d[a][c]:b.expression.call(this,c,a,c,a);var e=0,f=0,g=0;l instanceof Array?(c=l.length,0<c&&(e=l[0]),1<c&&(f=l[1]),2<c&&(g=l[2])):(e=c,f=+l,g=a);h.push([e,f,g])}.bind(this))}.bind(this));l=h;this.matrixX.set(l[0][0],l[1][0],l[2][0],l[3][0],l[4][0],l[5][0],l[6][0],l[7][0],l[8][0],l[9][0],l[10][0],l[11][0],l[12][0],l[13][0],l[14][0],l[15][0]);this.matrixY.set(l[0][1],l[1][1],l[2][1],l[3][1],l[4][1],l[5][1],l[6][1],l[7][1],l[8][1],l[9][1],l[10][1],l[11][1],
+l[12][1],l[13][1],l[14][1],l[15][1]);this.matrixZ.set(l[0][2],l[1][2],l[2][2],l[3][2],l[4][2],l[5][2],l[6][2],l[7][2],l[8][2],l[9][2],l[10][2],l[11][2],l[12][2],l[13][2],l[14][2],l[15][2]);var k=this.coefficients;this.matrixX.multiplySelf(k).transpose().multiplySelf(k);this.matrixY.multiplySelf(k).transpose().multiplySelf(k);this.matrixZ.multiplySelf(k).transpose().multiplySelf(k);var k={bezierSurfaceX:this.matrixX,bezierSurfaceY:this.matrixY,bezierSurfaceZ:this.matrixZ},q=c[0][0],s=c[1][0],t=(c[0][1]-
+q)/(g[0]-1),v=(c[1][1]-s)/(g[1]-1),u=0;_.loop(g[1],function(b){q=c[0][0];_.loop(g[0],function(b){a[u].set(q,s,0);q+=t;u++}.bind(this));s+=v}.bind(this));k={uniforms:k,shaders:{position:function(a,b){f?(a.snippet("bezierSurface"+e),a.group(),a.snippet("mathTransform"),b.viewport(a),a.next(),a.snippet("mathTransform"),b.viewport(a),a.next(),a.snippet("mathTransform"),b.viewport(a),a.combine()):(a.snippet("bezierSurface"+e).snippet("mathTransform"),b.viewport(a))}}};this.mesh.set(k);this.line.set(k);
+this.points.set(k)}});MathBox.Primitive.types.bezierSurface=MathBox.BezierSurface;MathBox.Platonic=function(a){null!==a&&MathBox.Primitive.call(this,a)};
+MathBox.Platonic.prototype=_.extend(new MathBox.Primitive(null),{defaults:function(){return{n:1,type:"cube",points:!1,line:!1,mesh:!0,doubleSided:!0,flipSided:!1,shaded:!0,style:{}}},type:function(){return"platonic"},renderables:function(){return[this.mesh,this.line,this.points]},adjust:function(a){a=this.get();this.mesh.show(a.mesh);this.line.show(a.line);this.points.show(a.points)},make:function(){var a=this.get(),b=this.style,c;switch(a.type){case "cube":c=new THREE.CubeGeometry(2,2,2,1,1,1)}this.mesh=
+new MathBox.Renderable.Mesh(c,{type:"mesh",doubleSided:a.doubleSided,flipSided:a.flipSided,shaded:a.shaded,smooth:!1,dynamic:a.live},b);this.line=new MathBox.Renderable.Mesh(c,{type:"mesh",shaded:a.shaded,smooth:!1,dynamic:a.live,wireframe:!0},b);this.points=new MathBox.Renderable.Mesh(c.vertices,{type:"points",dynamic:a.live},b)}});MathBox.Primitive.types.platonic=MathBox.Platonic;MathBox.Label=function(a){null!==a&&MathBox.Primitive.call(this,a)};
+MathBox.Label.prototype=_.extend(new MathBox.Primitive(null),{defaults:function(){return{position:[0,0,0],facing:1,distance:15,style:{color:new THREE.Color(7368816)},text:""}},renderables:function(){return[this.labels]},type:function(){return"label"},adjust:function(a,b){var c=this.get(),d=[0,0,0];d[c.facing]=1;var e=this.labelTangent;e.set.apply(e,d);d=this.labelPoint;d.set.apply(d,c.position);this.labels.show(!0)},make:function(){var a=this.get(),b=a.position,c=a.text,d=a.distance,a=this.style,
+e=this.labelTangent=new THREE.Vector3,f=this.labelPoint=new THREE.Vector3,d={dynamic:!0,distance:d};f.set.apply(f,b);b=function(a){return c}.bind(this);this.labels=new MathBox.Renderable.Labels([f],e,b,d,a)}});MathBox.Label.validateArgs=function(a){return a};MathBox.Primitive.types.label=MathBox.Label;
+MathBox.Renderable=function(a,b){if(null!==a){this.id=++MathBox.Renderable.id;var c=this.defaults();a&&(a=_.extend(c,a||{}));this.set(a||c);this.geometry=this.material=this.object=null;this.visible=!0;this.style=b||new MathBox.Style;this.style.on("change",this.styleCallback=this.refreshStyle.bind(this));this.on("change",this.uniformsCallback=this.refreshOptions.bind(this));this.mathTransform=new THREE.Matrix4}};MathBox.Renderable.id=0;
+MathBox.Renderable.prototype={defaults:function(){return{}},make:function(a){},destroy:function(){},show:function(a){a=void 0===a?!0:!!a;a!=this.visible&&(this.visible=a,this.refresh())},isVisible:function(){return this.object&&this.object.visible},composeTransform:function(a,b,c){var d=THREE.Matrix4.__m1,e=THREE.Matrix4.__m2;d.identity();d.setRotationFromEuler(b,this.object.eulerOrder);e.makeScale(c.x,c.y,c.z);this.mathTransform.multiply(d,e);b=this.mathTransform.elements;b[12]=a.x;b[13]=a.y;b[14]=
+a.z},refreshStyle:function(a){var b=this.style.get();a=a||b;this.material&&this.material.applyUniforms(a);if(this.object){this.object.frustumCulled=!1;a.worldPosition&&(this.object.position=b.worldPosition);a.worldRotation&&(this.object.rotation=b.worldRotation);a.worldScale&&(this.object.scale=b.worldScale);if(a.mathPosition||a.mathRotation||a.mathScale)this.composeTransform(b.mathPosition,b.mathRotation,b.mathScale),this.material&&this.material.applyUniforms({mathTransform:this.mathTransform});
+void 0!==a.opacity&&(this.object.visible=this.visible&&0<b.opacity);void 0===a.opacity&&void 0===a.zIndex||!this.material||(this.object.renderDepth=b.zIndex*(1==b.opacity?1:-1))}},refreshOptions:function(a){var b=this.get();a=a||b;if(this.material){b=this.get();if(void 0!==a.doubleSided||void 0!==a.flipSided)this.material.side=b.doubleSided?THREE.DoubleSide:b.flipSided?THREE.BackSide:THREE.FrontSide,b={flipSided:b.doubleSided&&b.flipSided?-1:1},this.material.applyUniforms(b);(b=this.get().uniforms)&&
+this.material.applyUniforms(b);(b=this.get().attributes)&&this.material.applyAttributes(b)}},refresh:function(){this.refreshStyle();this.refreshOptions()},adjust:function(a){this.material&&this.material.applyUniforms(a.uniforms())}};MathBox.Attributes.mixin(MathBox.Renderable);MathBox.Renderable.Mesh=function(a,b,c){this.points=a;MathBox.Renderable.call(this,b,c)};
+MathBox.Renderable.Mesh.prototype=_.extend(new MathBox.Renderable(null),{defaults:function(){return{type:"points",doubleSided:!0,dynamic:!1,absolute:!1,strip:!0,shaders:{}}},make:function(a){var b=this.get(),c=b.type,d=b.strip,e={points:THREE.ParticleSystem,line:THREE.Line,mesh:THREE.Mesh}[c];if(!e)throw"Invalid Mesh type '"+c+"'";a=this.material=a.generic(b);var f;f=this.points;f instanceof Array?(f=this.geometry=new THREE.Geometry,f.vertices=this.points):f=this.geometry=f;f.dynamic=b.dynamic;switch(c){case "line":b=
+new THREE.Line(f,a,d?THREE.LineStrip:THREE.LinePieces);break;default:b=new e(f,a)}this.object=b;this.refresh()},adjust:function(a){this.get().dynamic&&(this.geometry.verticesNeedUpdate=!0);MathBox.Renderable.prototype.adjust.call(this,a)}});MathBox.Renderable.ArrowHead=function(a,b,c,d){this.from=a;this.to=b;MathBox.Renderable.call(this,c,d)};MathBox.Renderable.ArrowHead.geometry=new THREE.CylinderGeometry(0.33,0,1,16,1);
+MathBox.Renderable.ArrowHead.prototype=_.extend(new MathBox.Renderable(null),{defaults:function(){return{offset:0,absolute:!0,size:0.1}},make:function(a){var b=this.get();a=this.material=a.generic(b);this._from=new THREE.Vector3;this._to=new THREE.Vector3;this.diff=new THREE.Vector3;this.bi=new THREE.Vector3;this.normal=new THREE.Vector3(0,0,1);b=this.geometry=MathBox.Renderable.ArrowHead.geometry;this.object=new THREE.Mesh(b,a);this.refresh()},isVisible:function(){return this.visible&&0<this.style.get("opacity")},
+adjust:function(a){var b=this.get(),c=b.offset,d=this._from.copy(this.from),e=this._to.copy(this.to);this.mathTransform.multiplyVector3(d);this.mathTransform.multiplyVector3(e);a.to(d);a.to(e);d=this.diff.sub(d,e);if(0.001>d.length())this.object.visible=!1;else{this.object.visible=this.visible;d=d.normalize();this.normal.x=this.diff.y+0.1;this.normal.y=this.diff.z+0.2;this.normal.z=this.diff.x+0.3;this.normal.normalize();var f=this.bi.cross(this.normal,this.diff).normalize(),g=this.normal.cross(this.bi,
+this.diff),b=b.size,e=(new THREE.Matrix4(f.x,d.x,g.x,e.x,f.y,d.y,g.y,e.y,f.z,d.z,g.z,e.z,0,0,0,1)).scale(new THREE.Vector3(b,b,b));this.object.updateMatrix();this.object.matrix.multiplySelf(e);e.identity().setPosition({x:0,y:0.5-c,z:0});this.object.matrix.multiplySelf(e);this.object.matrixAutoUpdate=!1;this.object.matrixWorldNeedsUpdate=!0;MathBox.Renderable.prototype.adjust.call(this,a)}}});
+MathBox.Renderable.Ticks=function(a,b,c,d,e){this.points=a;this.signs=b;this.epsilon=c;MathBox.Renderable.call(this,d,e)};
+MathBox.Renderable.Ticks.prototype=_.extend(new MathBox.Renderable(null),{defaults:function(){return{dynamic:!1,absolute:!1,size:0.1}},make:function(a){var b=this.get(),c=this.points;a=this.material=a.generic({type:"line",shaders:{position:function(a,c){c.position(a,b);a.snippet("tickVertexSplit");a.group();c.viewport(a);a.next();c.viewport(a);a.combine();a.snippet("tickVertexJoin")}}});var d=this.geometry=new THREE.Geometry;d.vertices=c;this.object=new THREE.Line(d,a,THREE.LinePieces);this.refresh()},
+adjust:function(a){var b=this.get();this.material&&this.material.applyAttributes({tickSign:this.signs});this.material&&this.material.applyUniforms({tickEpsilon:this.epsilon,tickSize:b.size});b.dynamic&&(this.material.attributes.tickSign.needsUpdate=!0,this.geometry.verticesNeedUpdate=!0);MathBox.Renderable.prototype.adjust.call(this,a)}});MathBox.Renderable.Labels=function(a,b,c,d,e){this.points=a;this.tangent=b;this.callback=c;this.sprites=[];MathBox.Renderable.call(this,d,e)};
+MathBox.Renderable.Labels.prototype=_.extend(new MathBox.Renderable(null),{defaults:function(){return{absolute:!0,distance:15,size:1}},make:function(a){this.get();var b=this.tangent,c=this.sprites;a=this.points.length;this._anchor=new THREE.Vector3;var d=document.createElement("div"),e=this.object=new MathBox.Sprite(d);d.className="mathbox-labels";_.loop(a,function(a){a=document.createElement("div");var d=document.createElement("div");a.appendChild(d);var h=new MathBox.Sprite(a,b);a.className="mathbox-label";
+d.className="mathbox-wrap";d.style.position="relative";d.style.display="inline-block";d.style.left="-50%";d.style.top="-.5em";c.push(h);e.add(h)})},adjust:function(a,b,c,d,e){var f=this.get(),g=this.points;b=this.sprites;var h=this.callback,l=f.decimals,k=this.style.get("opacity"),q=window.MathJax&&MathJax.Hub,s=1/Math.log(10);_.each(b,function(b,c){b.position.copy(g[c]);a.to(b.position);e.matrix.multiplyVector3(b.position);b.distance=f.distance;b.opacity=k;var d="";if(h){d=h(c);void 0===d&&(d="");
+if(+d==d){var w=+d;if(0!=w)var d=0>w?-1:1,w=Math.abs(w),x=Math.pow(10,l-1-Math.floor(Math.log(w)*s)),d=w=d*Math.round(x*w)/x}q||(d=(""+d).replace(/^-/,"\u2013"))}b.content!==d&&(w=b.element.children[0],b.content=d,b.measure=!0,q?(w.innerHTML="\\("+d+"\\)",MathJax.Hub.queue.Push(["Typeset",MathJax.Hub,w])):w.innerHTML=d)});MathBox.Renderable.prototype.adjust.call(this,a)}});
+MathBox.Viewport=function(a){if(null!==a){var b=this.defaults();a=_.extend(b,a||{});this.set(a);this.singleton="viewport";this._uniforms={}}};
+MathBox.Viewport.prototype={defaults:function(){return{type:"none",rotation:[0,0,0],position:[0,0,0]}},uniforms:function(){return this._uniforms},axis:function(a){return[0,1]},to:function(a){},from:function(a){},update:function(a){var b=this.get();_.each(["position","rotation"],function(c){a[c].set.apply(a[c],b[c])})},shader:function(a){a.snippet("mathToWorld")},validateRotation:function(a){return a.constructor==Array?(a=a.concat([0,0,0]),a.slice(0,3)):this.get("rotation")},validatePosition:function(a){return a.constructor==
+Array?(a=a.concat([0,0,0]),a.slice(0,3)):this.get("position")}};MathBox.Attributes.mixin(MathBox.Viewport,"type");MathBox.Viewport.types={};MathBox.Viewport.make=function(a){return new (MathBox.Viewport.types[a.type]||MathBox.Viewport.types.cartesian||MathBox.Viewport)(a)};
+MathBox.ViewportCartesian=function(a){if(null!==a){var b=MathBox.Viewport;b.call(this,a);this.super=b.prototype;this.transform=new THREE.Matrix4;this.inverse=new THREE.Matrix4;_.extend(this._uniforms,{viewportTransform:this.transform,viewportInverse:this.inverse})}};
+MathBox.ViewportCartesian.prototype=_.extend(new MathBox.Viewport(null),{defaults:function(){return{type:"cartesian",range:[[-1,1],[-1,1],[-1,1]],scale:[1,1,1],rotation:[0,0,0],position:[0,0,0]}},to:function(a){this.transform.multiplyVector3(a)},from:function(a){this.inverse.multiplyVector3(a)},axis:function(a){var b=this.get().range[a];a=b[0];var c=b[1],b=Math.min(a,c);a=Math.max(a,c);return[b,a]},update:function(a){var b=this.get(),c=b.range,d=b.scale,b=c[0][0],e=c[1][0],f=c[2][0],g=c[0][1]-b,h=
+c[1][1]-e,c=c[2][1]-f,l=d[0],k=d[1],d=d[2],q=[g/(2*l),0,0,b+g/2,0,h/(2*k),0,e+h/2,0,0,c/(2*d),f+c/2,0,0,0,1];this.transform.set.apply(this.transform,[2*l/g,0,0,-(2*b+g)*l/g,0,2*k/h,0,-(2*e+h)*k/h,0,0,2*d/c,-(2*f+c)*d/c,0,0,0,1]);this.inverse.set.apply(this.inverse,q);MathBox.Viewport.prototype.update.call(this,a)},validateRange:function(a){a=a||[];for(var b=0;3>b;++b){a[b]=a[b]||[];for(var c=0;2>c;++c)a[b][c]=void 0!==a[b][c]?a[b][c]:2*c-1}return a},validateScale:function(a){a=a||[];for(var b=0;3>
+b;++b)a[b]=a[b]||1;return a}});MathBox.Attributes.mixin(MathBox.Viewport);MathBox.Viewport.types.cartesian=MathBox.ViewportCartesian;MathBox.ViewportPolar=function(a){var b=MathBox.ViewportCartesian;b.call(this,a);this.super=b.prototype;_.extend(this._uniforms,{polarAlpha:0,polarAspect:1,polarPower:1,polarFold:1,polarFocus:1,polarHelix:0})};
+MathBox.ViewportPolar.prototype=_.extend(new MathBox.ViewportCartesian(null),{defaults:function(){return{type:"polar",range:[[-1,1],[-1,1],[-1,1]],polar:1,fold:1,power:1,helix:0,scale:[1,1,1],rotation:[0,0,0],position:[0,0,0]}},to:function(a){var b=this._uniforms.polarAspect,c=this._uniforms.polarFocus,d=this._uniforms.polarAlpha,e=this._uniforms.polarPower,f=this._uniforms.polarHelix;a.x*=this._uniforms.polarFold;a.y=Math.sign(a.y)*Math.pow(Math.abs(a.y),e);if(1E-4<d){var e=c+a.y*b,g=a.x*d;a.z+=
+a.x*f*d;a.x=Math.sin(g)*e;a.y=(Math.cos(g)*e-c)/b}this.transform.multiplyVector3(a)},from:function(a){var b=this._uniforms.polarAspect,c=this._uniforms.polarFocus,d=this._uniforms.polarAlpha,e=this._uniforms.polarFold,f=this._uniforms.polarPower,g=this._uniforms.polarHelix;this.inverse.multiplyVector3(a);if(1E-4<d){var h=a.x,l=a.y*b+c,k=Math.sqrt(h*h+l*l);theta=Math.atan2(h,l);a.x=theta/d;a.y=(k-c)/b;a.z-=a.x*g*d}a.x/=e;a.y=Math.sign(a.y)*Math.pow(Math.abs(a.y),1/f)},axis:function(a){var b=this.super.axis.call(this,
+a);min=b[0];max=b[1];alpha=this._uniforms.polarAlpha;aspect=this._uniforms.polarAspect;focus=this._uniforms.polarFocus;1==a&&0<alpha&&(max=Math.max(Math.abs(max),Math.abs(min)),min=Math.max(-focus/aspect+0.001,min));return[min,max]},update:function(a){var b=this.get(),c=b.range,d=b.scale,e=b.polar,f=b.fold,g=b.power,b=b.helix,h=1,l=c[0][0],k=c[1][0],q=c[2][0],s=c[0][1]-l,t=c[1][1]-k,c=c[2][1]-q,v=d[0],u=d[1],d=d[2],h=0<s?1:-1,w=Math.abs(t),w=s+(w*h-s)*e,h=Math.abs(w/v/(t/u)),x=[w/(2*v),0,0,l+s/2,
+0,t/(2*u),0,k+t/2,0,0,c/(2*d),q+c/2,0,0,0,1];this.transform.set.apply(this.transform,[2*v/w,0,0,-(2*l+s)*v/s,0,2*u/t,0,-(2*k+t)*u/t,0,0,2*d/c,-(2*q+c)*d/c,0,0,0,1]);this.inverse.set.apply(this.inverse,x);this._uniforms.polarAlpha=e;this._uniforms.polarAspect=h;this._uniforms.polarFold=f;this._uniforms.polarPower=g;this._uniforms.polarFocus=0<e?1/e-1:0;this._uniforms.polarHelix=b;MathBox.Viewport.prototype.update.call(this,a)},shader:function(a){a.snippet("polarPower").snippet("cartesianToPolar").snippet("mathToWorld")},
+validatePolar:function(a){return Math.max(0,Math.min(1,+a||0))},validateFold:function(a){return+a||0},validatePower:function(a){return+a||0},validateHelix:function(a){return+a||0}});MathBox.Attributes.mixin(MathBox.Viewport);MathBox.Viewport.types.polar=MathBox.ViewportPolar;MathBox.ViewportProjective=function(a){var b=MathBox.ViewportCartesian;b.call(this,a);this.super=b.prototype;_.extend(this._uniforms,{projectiveTransform:new THREE.Matrix4,projectiveInverse:new THREE.Matrix4})};
+MathBox.ViewportProjective.prototype=_.extend(new MathBox.ViewportCartesian(null),{defaults:function(){return{type:"projective",range:[[-1,1],[-1,1],[-1,1]],scale:[1,1,1],rotation:[0,0,0],position:[0,0,0],projective:[[1,0,0,0],[0,1,0,0],[0,0,1,0],[0,0,0,1]]}},to:function(a){this._uniforms.projectiveTransform.multiplyVector3(a);this.transform.multiplyVector3(a)},from:function(a){this.inverse.multiplyVector3(a);this._uniforms.projectiveInverse.multiplyVector3(a)},update:function(a){var b=this._uniforms.projectiveTransform,
+c=this.get("projective");b.set.apply(b,c[0].concat(c[1],c[2],c[3]));this._uniforms.projectiveInverse.getInverse(b);MathBox.ViewportCartesian.prototype.update.call(this,a)},shader:function(a){a.snippet("projectiveTransform").snippet("mathToWorld")},validateProjective:function(a){if(a.constructor==Array){for(var b=0;3>b;++b)a[b]=a[b]&&a.constructor==Array&&a[b]||[],a[b]=a[b].concat([0,0,0,0]).slice(0,4);return a}}});MathBox.Attributes.mixin(MathBox.Viewport);MathBox.Viewport.types.projective=MathBox.ViewportProjective;
+MathBox.ViewportSphere=function(a){var b=MathBox.ViewportCartesian;b.call(this,a);this.super=b.prototype;_.extend(this._uniforms,{sphereAlpha:0,sphereAspectX:1,sphereAspectY:1,sphereYScale:1,sphereFocus:1})};
+MathBox.ViewportSphere.prototype=_.extend(new MathBox.ViewportCartesian(null),{defaults:function(){return{type:"sphere",range:[[-1,1],[-1,1],[-1,1]],sphere:1,scale:[1,1,1],rotation:[0,0,0],position:[0,0,0]}},to:function(a){var b=this._uniforms.sphereAspectX,c=this._uniforms.sphereAspectY,d=this._uniforms.sphereYScale,e=this._uniforms.sphereFocus,f=this._uniforms.sphereAlpha;if(1E-4<f){var g=e+a.z*b,h=a.x*f,d=a.y*f/c*d,f=Math.cos(d)*g;a.x=Math.sin(h)*f;a.y=Math.sin(d)*g*c;a.z=(Math.cos(h)*f-e)/b}this.transform.multiplyVector3(a)},
+from:function(a){var b=this._uniforms.sphereAspectX,c=this._uniforms.sphereAspectY,d=this._uniforms.sphereYScale,e=this._uniforms.sphereFocus,f=this._uniforms.sphereAlpha;this.inverse.multiplyVector3(a);if(1E-4<f){var g=a.x,h=a.y/c,l=a.z*b+e,k=Math.sqrt(g*g+h*h+l*l),h=Math.atan2(h,Math.sqrt(g*g+l*l)),g=Math.atan2(g,l);a.x=g/f;a.y=h/f*c/d;a.z=(k-e)/b}},axis:function(a){var b=this.super.axis.call(this,a);min=b[0];max=b[1];alpha=this._uniforms.sphereAlpha;beta=this._uniforms.sphereBeta;aspectX=this._uniforms.sphereAspectX;
+aspectY=this._uniforms.sphereAspectY;focus=this._uniforms.sphereFocus;2==a&&0<alpha&&(max=Math.max(Math.abs(max),Math.abs(min)),min=Math.max(-focus/aspectX,min));return[min,max]},update:function(a){var b=this.get(),c=b.range,d=b.scale,b=b.sphere,e=0<b?1/b-1:0,f=c[0][0],g=c[1][0],h=c[2][0],l=c[0][1]-f,k=c[1][1]-g,c=c[2][1]-h,q=d[0],s=d[1],d=d[2],t=0<l?1:-1,v=0<k?1:-1,u=Math.abs(c),t=l+(u*t-l)*b,v=k+(u*v-k)*b,u=c/d;aspectX=t/q/u;aspectY=v/s/u/aspectX;aspectZ=k/l*q/s*2;yScale=Math.min(aspectY/b,1+(aspectZ-
+1)*b);u=[t/(2*q),0,0,f+l/2,0,v/(2*s),0,g+k/2,0,0,c/(2*d),h+c/2,0,0,0,1];this.transform.set.apply(this.transform,[2*q/t,0,0,-(2*f+l)*q/l,0,2*s/v,0,-(2*g+k)*s/k,0,0,2*d/c,-(2*h+c)*d/c,0,0,0,1]);this.inverse.set.apply(this.inverse,u);this._uniforms.sphereAlpha=b;this._uniforms.sphereAspectX=aspectX;this._uniforms.sphereAspectY=aspectY;this._uniforms.sphereYScale=yScale;this._uniforms.sphereFocus=e;MathBox.Viewport.prototype.update.call(this,a)},shader:function(a){a.snippet("cartesianToSphere").snippet("mathToWorld")},
+validateSphere:function(a){return Math.max(0,Math.min(1,+a||0))}});MathBox.Attributes.mixin(MathBox.Viewport);MathBox.Viewport.types.sphere=MathBox.ViewportSphere;
diff --git a/build/MathBox-core.min.js b/build/MathBox-core.min.js
index 8b13789..b85167c 100644
--- a/build/MathBox-core.min.js
+++ b/build/MathBox-core.min.js
@@ -1 +1,125 @@
-
+var \u03c0=Math.PI,\u03c4=2*\u03c0;(function(a){for(var b in a)if(!window[b])throw"Error: MathBox requires "+a[b];})({THREE:"Three.js",tQuery:"tQuery.js (bundle)",ThreeBox:"ThreeBox.js",ThreeRTT:"ThreeRTT.js"});window.MathBox={};window.mathBox=function(a,b){!a||a instanceof Node||(b=a,a=null);return tQuery.createWorld(b).mathBox(a,b)};MathBox.getShader=function(a){var b=document.getElementById(a);return b&&b.textContent||a};Math.sign=function(a){return 0<a?1:0>a?-1:0};MathBox.Attributes=function(){};
+MathBox.Attributes.prototype={get:function(a){return void 0===a?this.__attributes||{}:this.__attributes?this.__attributes[a]:void 0},set:function(a,b){function c(a,b){try{b=k(a,b),d[a]=b,f[a]=b}catch(c){throw"Exception setting '"+a+"' to '"+b+"': "+c;}}this.__attributes||(this.__attributes={});this.__validators||(this.__validators={});var d={},e=this.__validators,f=this.__attributes,h=this,k=function(a,b){if(void 0===e[a]){var c="validate"+a.charAt(0).toUpperCase()+a.slice(1);e[a]=h[c]||!1}return e[a]?
+e[a].call(this,b):b}.bind(this);void 0!==a&&null!==a&&(a.constructor==String?c(a,b):_.each(a,function(a,b){c(b,a)}),this.emit("change",d))}};MicroEvent.mixin(MathBox.Attributes);MathBox.Attributes.mixin=function(a){_.each(["get","set","on","emit"],function(b){a.prototype[b]=MathBox.Attributes.prototype[b]})};MathBox.Animator=function(){this.active=[]};MathBox.Animator.now=1;
+MathBox.Animator.prototype={finalState:function(a){var b=_.extend({},a.get());a.__queue&&_.each(a.__queue,function(a,d){_.each(a,function(a){a.to&&(b[d]=a.to)})});return b},attach:function(a){if(!a.__queue){if(!a.__attributes)throw"Cannot attach to object without attributes";var b=this,c=a.set;a.set=function(a,e,f){if(!f){f=a;if(void 0===a||null===a)return;a.constructor==String&&(f={},f[a]=e);b.stop(this,f)}c.call(this,a,e)};a.__queue={};a.__animations=0}},hurry:function(a,b,c){c=c||4;_.each(b||a.__queue,
+function(b,e){_.each(a.__queue[e],function(a){a.hurry(c)})}.bind(this))},stop:function(a,b){_.each(b||a.__queue,function(b,d){for(;a.__queue[d];)this.dequeue(a,d,!0)}.bind(this))},animate:function(a,b,c){c=_.extend({duration:300},c||{});this.attach(a);_.each(b,function(b,e){var f=a.__queue[e]=a.__queue[e]||[];if(c.delay){var h=new MathBox.Animator.Delay(a,e,c.delay);f.push(h);0==a.__animations++&&this.active.push(a)}a.__validators[e]&&(b=a.__validators[e].call(a,b));h=new MathBox.Animator.Animation(a,
+e,b,c.duration,c.callback,c.ease);f.push(h);c.hold&&(h=new MathBox.Animator.Delay(a,e,c.hold),f.push(h),0==a.__animations++&&this.active.push(a));0==a.__animations++&&this.active.push(a)}.bind(this))},dequeue:function(a,b,c){var d=a.__queue[b];if(d){var e=d.shift();0==d.length&&delete a.__queue[b];c&&e.skip();0==--a.__animations&&this.active.splice(this.active.indexOf(a),1)}},update:function(a){MathBox.Animator.now+=a;a=this.active.slice();_.each(a,function(a){var c=0;_.each(a.__queue,function e(f,
+h){var k=f[0];value=k.apply(c||0);k.done()&&(c=k.extra(),this.dequeue(a,h),f[0]&&e.call(this,f,h))}.bind(this))}.bind(this))}};MathBox.Animator.Delay=function(a,b,c){this.object=a;this.key=b;this.duration=c;this.fraction=this.start=0};
+MathBox.Animator.Delay.prototype={init:function(a){this.start=MathBox.Animator.now-(a||0)},apply:function(a){this.start||this.init(a);this.fraction=0<this.duration?Math.min(1,(MathBox.Animator.now-this.start)/this.duration):1},skip:function(){this.duration=0},hurry:function(a){this.duration=this.duration*this.fraction+this.duration*(1-this.fraction)/a},extra:function(){return MathBox.Animator.now-this.start-this.duration},done:function(){return 1==this.fraction}};
+MathBox.Animator.Animation=function(a,b,c,d,e,f){this.object=a;this.key=b;this.from=null;this.to=c;this.duration=d;this.fraction=this.start=0;this.callback=e;this.ease=f};
+MathBox.Animator.Animation.prototype={init:function(a){this.start=MathBox.Animator.now-(a||0);null===this.from&&(this.from=this.object.get(this.key));void 0===this.from&&(this.from=0)},apply:function(a){function b(a,b){return a+(b-a)*g}function c(a,e){void 0===e&&(e=a);void 0===a&&(a=e);if(e===a)return a;if(typeof a!=typeof e)throw console.log(d,f),"Data type mismatch between from/to values in animator. "+f+": "+a+" ("+a.constructor+"), "+e+"("+e.constructor+")";var g;switch(typeof e){default:case "string":throw"Unimplemented value type in animator. ("+
+typeof e+")";case "function":return function(){return c(a.apply(this,arguments),e.apply(this,arguments))};case "boolean":return 0.5<k?e:a;case "number":return b(a,e);case "object":if(!a)return e;if(!e)return a;if(e.constructor==Array)return g=[],_.loop(a.length,function(b){g[b]=c(a[b],e[b])}),g;if(e.constructor==THREE.Matrix4){g=new THREE.Matrix4;for(var h=0;16>h;++h)g.elements[h]=b(a.elements[h],e.elements[h]);return g}return e.constructor==THREE.Vector3?(g=new THREE.Vector3,g.x=b(a.x,e.x),g.y=b(a.y,
+e.y),g.z=b(a.z,e.z),g):e.constructor==THREE.Color?(g=new THREE.Color,g.r=b(a.r,e.r),g.g=b(a.g,e.g),g.b=b(a.b,e.b),g):0.5<k?e:a}}this.start||this.init(a);var d=this.object;a=this.from;var e=this.to,f=this.key,h=this.ease,k;this.fraction=k=0<this.duration?Math.min(1,(MathBox.Animator.now-this.start)/(this.duration||1)):1;var g;switch(h){case "in":g=1-(1-k)*(1-k);break;case "out":g=k*k;break;case "linear":g=k;break;default:g=0.5-0.5*Math.cos(k*\u03c0)}a=c(a,e);this.object.set(this.key,a,!0)},hurry:function(a){this.duration=
+this.duration*this.fraction+this.duration*(1-this.fraction)/a},skip:function(){this.duration=0;this.fraction=1;this.done()},extra:function(){return MathBox.Animator.now-this.start-this.duration},done:function(){return 1==this.fraction?(this.object.set(this.key,this.to,!0),this.callback&&this.callback(),this.callback=null,!0):!1}};
+MathBox.Stage=function(a,b,c){this.options=a=a||{};this._world=b;this.overlay=c;b&&b.on("resize",function(a,b){this.overlay.size(a,b);this.width=a;this.height=b}.bind(this));this.primitives=[];this.materials=new MathBox.Materials(this);this.animator=new MathBox.Animator;this._transition=0;this._speed=1;b&&(this.cameraProxy=new MathBox.CameraProxy(b,this.options));this.viewport({});this.loadPrimitives();void 0!==a.transition&&this.transition(a.transition);void 0!==a.speed&&this.speed(a.speed)};
+MathBox.Stage.prototype=new THREE.Object3D;MathBox.Attributes.mixin(MathBox.Stage);MicroEvent.mixin(MathBox.Stage);
+MathBox.Stage.prototype=_.extend(MathBox.Stage.prototype,{update:function(){var a=this._viewport,b=this._world.tCamera(),c=this.width,d=this.height,e=this._speed;this.cameraProxy.update();var f=+new Date;this.last||(this.last=f-1E3/60);this.animator.update(e*(f-this.last));this.last=f;a.update(this);_.each(this.primitives,function(e){e.adjust(a,b,c,d,this);e=e.renderables();_.each(e,function(e){e.isVisible()&&e.adjust(a,b,c,d,this)}.bind(this))}.bind(this));this.overlay&&this.overlay.update(b)},add:function(a,
+b){if(a instanceof THREE.Object3D)return a instanceof MathBox.Sprite?this.overlay.add(a):THREE.Object3D.prototype.add.call(this,a);this._add(a);b=this.animateOptions(b);var c=a.style.get("opacity");b&&0<c&&(a.style.set("opacity",0),this.animator.animate(a.style,{opacity:c},b));return this},remove:function(a,b){if(a instanceof THREE.Object3D)return a instanceof MathBox.Sprite?this.overlay.remove(a):THREE.Object3D.prototype.remove.call(this,a);if("string"==typeof a)return _.each(this.select(a),function(a){this.remove(a,
+b)}.bind(this));if(!a.singleton){var c=function(){this._remove(a)}.bind(this);b=this.animateOptions(b);var d=a.style.get("opacity");b&&0<d?(b.callback=c,this.animator.animate(a.style,{opacity:0},b),a.removed=!0):c();return this}},_add:function(a){var b=this.materials;-1==this.primitives.indexOf(a)&&(this.primitives.push(a),a.make(),a=a.renderables(),_.each(a,function(a){a.make(b);a.object&&this.add(a.object)}.bind(this)))},_remove:function(a){if(-1!=this.primitives.indexOf(a)){this.primitives.splice(this.primitives.indexOf(a),
+1);var b=a.renderables();_.each(b,function(a){a.object&&this.remove(a.object);a.destroy()}.bind(this));a.destroy()}},select:function(a,b){var c=[];if("object"==typeof a)return a.constructor==Array?a:[a];var d=function(a){var c=[];if("*"==a)return c=this.primitives.slice(),c.push(this.viewport()),c.push(this.cameraProxy),c;if(a==+a)return _.each(this.primitives,function(d){!b&&d.removed||d.get("sequence")!=a||c.push(d)}),c;var d=a.match(/^\s*#([a-zA-Z0-9_-]+)|([a-zA-Z0-9_-]+)?\s*$/);if(!d)return[];
+var k=d[2],g=d[1];if(g)_.each(this.primitives,function(a){!b&&a.removed||a.get("id")!=g||c.push(a)});else{if("camera"==k)return this.cameraProxy&&[this.cameraProxy]||[];if("viewport"==k)return[this.viewport()];k&&_.each(this.primitives,function(a){!b&&a.removed||a.type()!=k||c.push(a)})}return c}.bind(this),c=[];a=(""+a).split(",");_.each(a,function(a){c=c.concat(d(a))});return c},set:function(a,b){b=this.extractStyle(b);_.each(this.select(a),function(a){a.set(b);b.style&&a.style.set(b.style)});return this},
+get:function(a){var b=this.animator;a=this.select(a);if(1>a.length)return{};var c=a[0];a=b.finalState(c);c.style&&(b=b.finalState(c.style),a.style=b);return a},transition:function(a){return void 0!==a?(this._transition=a,this):this._transition},speed:function(a){return void 0!==a?(this._speed=a,this):this._speed},animateOptions:function(a,b){var c=this._transition;!0===a&&(a={});if(c||b||a&&(a.delay||a.duration||a.hold))a=_.extend({delay:0,duration:c||0,hold:0},a||{});if(a&&(a.delay||a.duration||
+a.hold))return a},animate:function(a,b,c){var d=this.animator;b=this.extractStyle(b);c=this.animateOptions(c,!0);b.style&&(_.each(this.select(a),function(a){c?d.animate(a.style,b.style,c):a.style.set(b.style)}),b=_.extend({},b),delete b.style);_.each(this.select(a),function(a){c?d.animate(a,b,c):a.set(b)});return this},clone:function(a,b,c){_.each(this.select(a),function(a){var e=this.get(a);delete e.sequence;var f=_.extend({},b),h=[];_.each(b,function(a,c){if("id"==c||"boolean"==typeof a||null===
+a)e[c]=b[c],h.push(c)});_.each(h,function(a){delete f[a]});e.id==a.get("id")&&(e.id=(e.id||"")+"-clone");a=this.spawn(a.type(),e,{duration:0});this.animate(a,f,c)}.bind(this));return this},hurry:function(a,b,c){var d=this.animator;_.each(this.select(a,!0),function(a){d.hurry(a,b,c);a.style&&d.hurry(a.style,b,c)});return this},halt:function(a,b){var c=this.animator;_.each(this.select(a,!0),function(a){c.stop(a,b);a.style&&c.stop(a.style,b)});return this},viewport:function(a){if(void 0!==a){if(!this._viewport||
+a.type&&a.type!=this.options.viewport.type){this._viewport&&(a=_.extend({},this._viewport.get(),a));this._viewport=MathBox.Viewport.make(a);a=this.primitives.slice();var b=this;_.each(a,function(a){b._remove(a);b._add(a)})}else this._viewport.set(a);this.options.viewport=this._viewport.get();return this}return this._viewport},camera:function(a){_.each(this.select("camera"),function(b){b.set(a)});return this},start:function(){this._world&&this._world.start();return this},stop:function(){this._world&&
+this._world.stop();return this},world:function(){return this._world},extractStyle:function(a){var b=MathBox.Style.prototype.defaults(),c=null;_.each(a,function(d,e){void 0!==b[e]&&(delete a[e],c=c||{},c[e]=d)});c&&(a.style=_.extend(a.style||{},c));return a},spawn:function(a,b,c){return MathBox.Primitive.types[a]?(this[a](b,c),this.primitives[this.primitives.length-1]):this},loadPrimitives:function(){_.each(MathBox.Primitive.types,function(a,b){this[b]=function(b,d){a.validateArgs&&(b=a.validateArgs(b));
+var e=new a(this.extractStyle(b));this.add(e,d);return this}}.bind(this))}});MathBox.Materials=function(a){this.stage=a;this.cache={}};
+MathBox.Materials.prototype={hash:function(a){var b=Object.keys(a),c="";b.sort();_.each(b,function(b){c+=b+"/";c+=a[b]+"/"});return c},clone:function(a){var b=new THREE.ShaderMaterial({vertexShader:a.vertexShader,fragmentShader:a.fragmentShader});b.attributes=a.attributes?{}:null;b.uniforms={};b.wireframe=a.wireframe;b.applyUniforms=a.applyUniforms;b.applyAttributes=a.applyAttributes;_.each(a.uniforms,function(a,d){b.uniforms[d]={type:a.type,value:a.value&&a.value.clone?a.value.clone():a.value}});
+_.each(a.attributes,function(a,d){b.attributes[d]={type:a.type,value:a.value}});return b},generic:function(a){a=a||{};if(!a.shaders||!Object.keys(a.shaders).length){var b=this.hash(a);if(this.cache[b])return this.clone(this.cache[b])}var c=this.factory(),d=a.shaders||{};d.position?d.position(c,this):(this.position(c,a),a.absolute||(a.shaded&&a.smooth?(c.group(),this.viewport(c),c.next(),this.viewport(c),c.next(),this.viewport(c),c.combine()):this.viewport(c)));a=this.finalize(c,a);b&&(this.cache[b]=
+a);return a},position:function(a,b){b=b||{};a.snippet(b.shaded&&b.smooth?"getPositionDUDV":"getPosition");b.absolute||(b.shaded&&b.smooth?a.group().snippet("mathTransform").next().snippet("mathTransform").next().snippet("mathTransform").combine():a.snippet("mathTransform"));return a},factory:function(){return new ShaderGraph.Factory},finalize:function(a,b){b=b||{};var c=b.shaders||{};b.shaded?b.smooth?a.snippet("projectToViewDUDV"):a.snippet("projectToViewNormal"):a.snippet("projectToView");c.material?
+c.material(a,this):a.material("vertexOutput",{points:"fragmentSolidPoint",mesh:b.shaded?"fragmentShaded":"fragmentSolid"}[b.type]||"fragmentSolid");c=a.end().compile();c=new THREE.ShaderMaterial({uniforms:c.uniforms,attributes:c.attributes,vertexShader:c.vertexShader,fragmentShader:c.fragmentShader});b.wireframe&&(c.wireframe=!0);var d=this.apply.bind(this);c.applyUniforms=function(a){d(this,a,"uniforms")};c.applyAttributes=function(a){d(this,a,"attributes")};return c},apply:function(a,b,c){var d=
+a[c];_.each(b,function(a,b){var c=d[b];c&&(a instanceof THREE.Color&&(a.x=a.r,a.y=a.g,a.z=a.b),c.value=a,c.needsUpdate=!0)});if("uniforms"==c){c=a.uniforms;if(b.map&&(c.texture&&(c.texture.value=b.map),c.offsetRepeat)){var e=b.map.offset,f=b.map.repeat;c.offsetRepeat.value.set(e.x,e.y,f.x,f.y)}void 0!==b.lineWidth&&(a.wireframeLinewidth=a.linewidth=b.lineWidth);void 0!==b.opacity&&(a.transparent=1>b.opacity)}},viewport:function(a,b){this.stage.viewport().shader(a,b)}};
+MathBox.Ticks=function(a,b,c,d,e,f,h){var k=(b-a)/(c||10);d=d||1;e=e||10;var g=d*((h||0)+Math.pow(e,Math.floor(Math.log(k/d)/Math.log(e))));c=_.map(0==e%2?[e/2,1,0.5]:[1],function(a){return g*a});var l=_.reduce(c,function(a,b){return Math.abs(b-k)<Math.abs(a-k)?b:a},g);f=+!f;a=(Math.ceil(a/l)+f)*l;b=(Math.floor(b/l)-f)*l;c=Math.ceil((b-a)/l)+1;var m=[];_.loop(c,function(b){m.push(a+b*l)});return m};MathBox.TicksLog=function(a,b,c,d,e,f){};
+tQuery.World.registerInstance("mathBox",function(a,b){a=a||document.body;this.threeBox(a,b);var c=new MathBox.Overlay;a.appendChild(c.domElement);c.domElement.style.position="absolute";c.domElement.style.left=0;c.domElement.style.top=0;c.domElement.style.right=0;c.domElement.style.bottom=0;var d=new MathBox.Stage(b,this,c),e=function(){d.update()};this.tScene().add(d);this._renderer.setClearColorHex(16777215,1);d.unhook=function(){this.loop().unhookPreRender(e)};this.loop().hookPreRender(e);b.cameraControls||
+(c=this.tCamera(),c.position.x=0,c.position.y=0,c.position.z=b.orbit,c.lookAt(new THREE.Vector3(0,0,0)));return d});MathBox.Director=function(a,b){this._stage=a;this.script=b||[];this.rollback={};this.clocks={};this.time=this.lastCommand=this.step=0;this.lastTime=+new Date};
+MathBox.Director.prototype={clock:function(a,b){if(a>this.step)return 0;var c=+new Date;this.time+=(c-this.lastTime)*this.stage().speed();this.lastTime=c;if(b||!this.clocks[a])this.clocks[a]=this.time;return 0.001*(this.time-this.clocks[a])},invert:function(a){var b=this._stage,c=[],d,e=a[0],f=a[1],h=a[2]||{},k=a[3];"remove"==e&&(k=h);k={delay:k&&void 0!==k.hold?k.hold/4:0,duration:k&&void 0!==k.duration?k.duration/4:0,hold:k&&void 0!==k.delay?k.delay/4:0};switch(e){case "add":d=[0];case "clone":d=
+d||b.select(f);_.each(d,function(a,b){c.push(["remove",h.sequence||MathBox.Primitive.sequence+1+b,k])});break;case "remove":d=b.select(f);_.each(d,function(a){c.push(["add",a.type(),b.get(a),k])});break;case "animate":case "set":d=b.select(f),_.each(d,function(a){var d=b.get(a),f={};for(i in h)f[i]=d.style&&void 0!==d.style[i]?d.style[i]:d[i];c.push([e,a.singleton||a.get("sequence"),f,k])})}return c},invertDelay:function(a){function b(a){var b=a[2]||{},c=["opacity"];if("animate"==a[0])for(d in c=
+[],b)if("style"==d)for(j in b.style)c.push(j);else c.push(d);return c}var c=[],d,e={};a.forEach(function(a){var c=a[0],d=a[1]||"",f=a[2]||{},h=a[3]||{};if("set"==c)return null;"add"==c&&(d=f.sequence);"remove"==c&&(h=f);b(a).forEach(function(a){a=[d,a].join(".");e[a]||(e[a]=[]);h=h||{};e[a].push((h.delay||0)+(h.duration||0)+(h.hold||0))})});var f=0;for(d in e)var h=e[d]=e[d].reduce(function(a,b){return a+b}),f=Math.max(f,h);a.forEach(function(a){var d=a[0],h=a[1]||"",m=a[2]||{},n=a[3]||{},t;if("set"==
+d)return c.push(a);"add"==d&&(t=h,h=m.sequence);"remove"==d&&(n=m);b(a).forEach(function(a){var b=[h,a].join("."),k=n.delay||0,u=n.duration||0,v=n.hold||0;void 0!==e[b]&&(k+=f-e[b],delete e[b]);n={delay:k,duration:u,hold:v};"add"==d&&c.push([d,t,m,n]);"remove"==d?c.push([d,h,n]):(b={},b[a]=m.style&&void 0!==m.style[a]?m.style[a]:m[a],c.push([d,h,b,n]))})});return c},apply:function(a,b,c,d){var e=this._stage;_.each(a,function(a){var h=a[0]||"",k=a[1]||"",g=a[2]||{},l=a[3]||{};"remove"==h&&(l=g);b&&
+(a=this.invert(a),a=[0,0].concat(a),Array.prototype.splice.apply(b,a));d&&l&&(l=_.extend({},l),l.delay/=2,l.duration/=2,l.hold/=2);c&&(l={delay:0,duration:0,hold:0},"animate"==h&&(h="set"));switch(h){case "clone":e.clone(k,g,l);break;case "add":e.spawn(k,g,l);break;case "remove":_.each(e.select(k),function(a){e.remove(a,l)});break;case "set":var h=e.select(k),m=g.constructor==Array;_.each(h,function(a,b){e.set(a,m?g[b]:g)});break;case "animate":h=e.select(k),m=g.constructor==Array,_.each(h,function(a,
+b){e.animate(a,m?g[b]:g,l)})}}.bind(this));return this},insert:function(a){a[0].constructor!=Array&&(a=[a]);this.script.splice(this.step,0,a);this.forward();return this},is:function(a){if(!this.script.length)return!1;for(;0>a;)a+=this.script.length+1;for(;a>=this.script.length+1;)a-=this.script.length+1;return a==this.step},isFirst:function(){return this.is(0)},isLast:function(){return this.is(-1)},go:function(a,b){if(this.script.length){for(;0>a;)a+=this.script.length+1;for(;a>=this.script.length+
+1;)a-=this.script.length+1;for(;a>this.step;)this.forward(b);for(;a<this.step;)this.back(b)}},skipping:function(){var a=+new Date,b=!1;500>a-this.lastCommand&&(b=!0);this.stage().hurry("*");this.lastCommand=a;return b},forward:function(a,b){if(!(this.step>=this.script.length)){var c=this.step,d=this.script[c],e=this.rollback[c]=[];this.step++;var f=function(){this.apply(d,e,a,a?!1:this.skipping());this.rollback[c]=this.invertDelay(e);this.clock(c+1,!0);this.emit("go",c+1,1)}.bind(this);b?setTimeout(f,
++b):f();return this}},back:function(a,b){if(!(0>=this.step)){this.step--;var c=this.step,d=this.rollback[c],e=function(){this.apply(d,null,a||this.skipping());delete this.rollback[c];this.emit("go",c,-1)}.bind(this);b?setTimeout(e,+b):e();return this}},stage:function(){return this._stage}};_.each(MathBox.Stage.prototype,function(a,b){MathBox.Director.prototype[b]||(MathBox.Director.prototype[b]=function(){var b=this.stage[a].apply(this.stage,arguments);return b===this.stage?this:b})});MicroEvent.mixin(MathBox.Director);
+MathBox.Style=function(a){var b=this.defaults();a=_.extend(b,a||{});this.set(a)};
+MathBox.Style.prototype={defaults:function(){return{color:new THREE.Color(3178736),opacity:1,lineWidth:2,pointSize:5,mathScale:new THREE.Vector3(1,1,1),mathRotation:new THREE.Vector3,mathPosition:new THREE.Vector3,worldScale:new THREE.Vector3(1,1,1),worldRotation:new THREE.Vector3,worldPosition:new THREE.Vector3,zIndex:0,map:null,mapColor:0,mapOpacity:0}},validateColor:function(a){if(a.constructor==Array){a=a.concat([0,0,0]);var b=new THREE.Color;return b.setRGB.apply(b,a)}return a.constructor==Number?
+new THREE.Color(a):a.constructor!=THREE.Color?this.get("color"):a},validateMathScale:function(a){if(a.constructor==Array){a=a.concat([1,1,1]);var b=new THREE.Vector3;return b.set.apply(b,a)}return a.constructor!=THREE.Vector3?this.get("mathScale"):a},validateMathRotation:function(a){if(a.constructor==Array){a=a.concat([0,0,0]);var b=new THREE.Vector3;return b.set.apply(b,a)}return a.constructor!=THREE.Vector3?this.get("mathRotation"):a},validateMathPosition:function(a){if(a.constructor==Array){a=
+a.concat([0,0,0]);var b=new THREE.Vector3;return b.set.apply(b,a)}return a.constructor!=THREE.Vector3?this.get("mathPosition"):a},validateWorldScale:function(a){if(a.constructor==Array){a=a.concat([1,1,1]);var b=new THREE.Vector3;return b.set.apply(b,a)}return a.constructor!=THREE.Vector3?this.get("worldScale"):a},validateWorldRotation:function(a){if(a.constructor==Array){a=a.concat([0,0,0]);var b=new THREE.Vector3;return b.set.apply(b,a)}return a.constructor!=THREE.Vector3?this.get("worldRotation"):
+a},validateWorldPosition:function(a){if(a.constructor==Array){a=a.concat([0,0,0]);var b=new THREE.Vector3;return b.set.apply(b,a)}return a.constructor!=THREE.Vector3?this.get("worldPosition"):a}};MathBox.Attributes.mixin(MathBox.Style);
+MathBox.CameraProxy=function(a,b){this.set({orbit:void 0===b.orbit?3.5:b.orbit,phi:void 0===b.phi?\u03c4/4:b.phi,theta:b.theta||0,lookAt:b.lookAt||[0,0,0]});this.singleton="camera";var c=this.controls=a.getCameraControls()||ThreeBox.OrbitControls.bind(a.tCamera(),null,this.get());this.on("change",function(a){_.each(a,function(a,b){"lookAt"!=b&&(c[b]=a)});a.lookAt&&c.lookAt.set.apply(c.lookAt,a.lookAt);c.update()});c.update();this.update=function(){this.set({orbit:c.orbit,phi:c.phi,theta:c.theta},
+null,!0);var a=this.get("lookAt");a[0]=c.lookAt.x;a[1]=c.lookAt.y;a[2]=c.lookAt.z}};MathBox.Attributes.mixin(MathBox.CameraProxy);MathBox.Overlay=function(){(this.domElement=document.createElement("div")).className="mathbox-overlay";this.sprites=[];this.v=new THREE.Vector3;this.q=new THREE.Vector3};
+MathBox.Overlay.prototype={size:function(a,b){this.width=a;this.height=b;this.domElement.style.width=a+"px";this.domElement.style.height=b+"px"},add:function(a){-1==this.sprites.indexOf(a)&&(this.sprites.push(a),a.element.parentNode||this.domElement.appendChild(a.element),_.each(a.children,function(a){this.add(a)}.bind(this)))},remove:function(a){var b;-1!=(b=this.sprites.indexOf(a))&&(this.sprites.splice(b,1),a.element.parentNode&&a.element.parentNode.removeChild(a.element),_.each(a.children,function(a){this.remove(a)}.bind(this)))},
+update:function(a){this.fov=0.5/Math.tan(a.fov*Math.PI/360)*this.height;_.each(this.sprites,function(b){this._update(b,a)}.bind(this));_.each(this.sprites,function(b){this._measure(b,a)}.bind(this));_.each(this.sprites,function(b){this._vis(b,a)}.bind(this))},_measure:function(a,b){if(a.measure){var c=a.element;a.width=c.offsetWidth;a.height=c.offsetHeight;a.measure=!1}},_vis:function(a,b){if(a.render&&(a.width||a.height)){var c=a.left,d=a.top,e=a.width+c,f=a.height+d;found=!1;_.each(this.sprites,
+function(b){if(b===a)found=!0;else if(found&&b.render){var k=b.left,g=b.top,l=b.width+k,m=b.height+g;e<k||c>l||f<g||d>m||(b.element.style.display="none",b.render=!1)}})}},_update:function(a,b){for(var c=this.v,d=this.q,e=a.render,f=a.visible,h=a.parent;f&&h;)f=f&&h.visible,h=h.parent;a.render=f&&0<a.opacity;if(a.render)e||(a.element.style.display="block"),c.copy(a.position),b.matrixWorldInverse.multiplyVector3(c),e=-(c.x/c.z)*this.fov+0.5*this.width,f=c.y/c.z*this.fov+0.5*this.height,a.distance&&
+(d.copy(a.tangent).multiplyScalar(0.01),d.addSelf(a.position),b.matrixWorldInverse.multiplyVector3(d),h=0<a.distance?1:-1,d.subSelf(c),d.z=0,d.normalize().multiplyScalar(a.distance),e+=Math.abs(d.y)*h,f+=Math.abs(d.x)*h),e=Math.round(e),f=Math.round(f),a.left!==e&&(a.left=e,a.element.style.left=e+"px"),a.top!==f&&(a.top=f,a.element.style.top=f+"px"),a.lastOpacity!==a.opacity&&(a.element.style.opacity=a.opacity,a.lastOpacity=a.opacity);else if(e||null===e)a.element.style.display="none"}};
+MathBox.Sprite=function(a,b,c){this.element=a;this.tangent=b||new THREE.Vector3(1,0,0);this.distance=c||0;this.height=this.width=0;this.measure=this.visible=!0;this.render=null;this.content="";this.lastOpacity=this.lastTop=this.lastLeft=null;a.style.position="absolute";a.style.left=0;a.style.top=0;a.style.opacity=0;THREE.Object3D.call(this)};MathBox.Sprite.prototype=_.extend(new THREE.Object3D,{});
+MathBox.Primitive=function(a){if(null!==a){var b=this.defaults();a&&(a.style=_.extend(b.style,a.style||{}),a=_.extend(b,a||{}));a=a||b;this.set(a);this.style=new MathBox.Style;this.style.set(this.get().style||{});this.on("change",function(a){void 0!==a.style&&this.style.set(a.style)}.bind(this));this.set("sequence",a.sequence||++MathBox.Primitive.sequence);this.set("id",a.id||this.sequence);this.init()}};MathBox.Primitive.sequence=0;MathBox.Primitive.types={};
+MathBox.Primitive.prototype={defaults:function(){return{}},type:function(){return"primitive"},init:function(){},make:function(){},destroy:function(){},renderables:function(){return[]},adjust:function(a){}};MathBox.Attributes.mixin(MathBox.Primitive);MicroEvent.mixin(MathBox.Primitive);MathBox.Curve=function(a){null!==a&&MathBox.Primitive.call(this,a)};
+MathBox.Curve.prototype=_.extend(new MathBox.Primitive(null),{defaults:function(){return{n:64,domain:[0,1],data:null,expression:function(){return 0},live:!0,points:!1,line:!0,style:{}}},type:function(){return"curve"},renderables:function(){return[this.line,this.points]},adjust:function(a){a=this.get();this.line.show(a.line);this.points.show(a.points);(a.line||a.points)&&0<this.style.get("opacity")&&a.live&&this.calculate()},make:function(){var a=this.get(),b=this.style,c=a.n,d=this.vertices=[];_.loop(c,
+function(){d.push(new THREE.Vector3)});c=function(c){return new MathBox.Renderable.Mesh(d,{type:c,dynamic:a.live},b)};this.line=c("line");this.points=c("points");this.calculate()},calculate:function(){var a=this.vertices,b=this.get(),c=b.data,d=b.domain,e=b.n,f=d[0],h=(d[1]-f)/(e-1),k;_.loop(e,function(e){k=c&&void 0!==c[e]?c[e]:b.expression.call(this,f,e);var d=0,m=0,n=0;if(k instanceof Array){var t=k.length;0<t&&(d=k[0]);1<t&&(m=k[1]);2<t&&(n=k[2])}else d=f,m=+k;a[e].set(d,m,n);f+=h}.bind(this))}});
+MathBox.Primitive.types.curve=MathBox.Curve;MathBox.Bezier=function(a){MathBox.Curve.call(this,a)};
+MathBox.Bezier.prototype=_.extend(new MathBox.Curve(null),{defaults:function(){return{n:64,domain:[0,1],data:null,order:3,expression:function(){return 0},live:!0,points:!1,line:!0,style:{}}},type:function(){return"bezier"},calculate:function(){var a=this.vertices,b=this.get(),c=b.domain,d=b.data,e=b.order,f=b.n;if(1>e||3<e)throw"Bezier curve order must be 1, 2 or 3.";var h=[],k;_.loop(e+1,function(a){k=d&&void 0!==d[a]?d[a]:b.expression.call(this,a,a);var c=a=0,e=0;if(k instanceof Array){var f=k.length;
+0<f&&(a=k[0]);1<f&&(c=k[1]);2<f&&(e=k[2])}else a=l,c=+k;h.push(new THREE.Vector3(a,c,e))}.bind(this));var g={bezierPoints:h},l=c[0],m=(c[1]-l)/(f-1);_.loop(f,function(b){a[b].set(l,0,0);l+=m});c={uniforms:g,shaders:{position:function(a,b){a.snippet("bezier"+e).snippet("mathTransform");b.viewport(a)}}};this.line.set(c);this.points.set(c)}});MathBox.Primitive.types.bezier=MathBox.Bezier;
+MathBox.Axis=function(a){null!==a&&(MathBox.Primitive.call(this,a),this.on("change",function(a){void 0!==a.size&&this.arrow&&this.arrow.set("size",a.size)}))};
+MathBox.Axis.prototype=_.extend(new MathBox.Primitive(null),{defaults:function(){return{axis:0,offset:[0,0,0],n:2,arrow:!0,line:!0,labels:!1,decimals:2,distance:15,ticks:10,tickUnit:1,tickScale:10,size:0.07,style:{lineWidth:4,color:new THREE.Color(7368816)},formatter:null,zero:!0}},renderables:function(){return[this.line,this.ticks,this.arrow,this.labels]},type:function(){return"axis"},adjust:function(a,b){var c=this.get(),d=c.axis,e=c.offset,f=c.arrow,h=c.line,k=c.labels,g=c.n,l=c.ticks,m=c.tickUnit,
+n=c.tickScale,c=c.decimals,t=this.points,s=this.labelPoints,r=this.labelTangent,q=this.tickPoints,u=this.tickSigns,v=[0,0,0],x=new THREE.Vector3;new THREE.Vector4;var w=a.axis(d),y=w[0],w=w[1],A=(w-y)/(g-1);x.set.apply(x,e);_.loop(g,function(a){v[d]=y+a*A;t[a].set.apply(t[a],v);t[a].addSelf(x)});this.line.show(h);this.arrow.show(f);g=this.scale=MathBox.Ticks(y,w,l,m,n,!0);this.ticks.show(!!l);if(l){l=Math.floor(q.length/2);g.length>l&&(g=g.slice(0,l));var l=[0,0,0],z;l[2==d?0:1-d]=0.01*(w-y);this.epsilon.set.apply(this.epsilon,
+l);v=[0,0,0];_.each(g,function(a,b){v[d]=a;var c=2*b;q[c].set.apply(q[c],v);q[c].addSelf(x);u[c]=1;q[c+1].copy(q[c]);u[c+1]=-1;s[b].copy(q[c]);z=c+1});l=z+1;for(g=q.length;l<g;)q[l].copy(q[z]),u[l]=u[z],l++}v=[0,0,0];v[d]=1;r.set.apply(r,v);this.labels.show(!!k);this.labels.set("decimals",c)},make:function(){var a=this.get(),b=a.n,c=a.size,d=a.ticks,e=a.distance,f=a.formatter,h=this.style,k=this.points=[],g=this.labelPoints=[],l=this.labelTangent=new THREE.Vector3,m=this.tickPoints=[],n=this.tickSigns=
+[],t=this.epsilon=new THREE.Vector3;_.loop(b,function(a){k.push(new THREE.Vector3)});_.loop(4*d,function(a){g.push(new THREE.Vector3)});_.loop(8*d,function(a){m.push(new THREE.Vector3);n.push(1)});var d={dynamic:!0,size:c,offset:0.5},c={dynamic:!0,size:0.2*c},e={dynamic:!0,distance:e},s=function(b){b=this.scale[b];return 0!=b||a.zero?f?f(b):b:""}.bind(this);this.line=new MathBox.Renderable.Mesh(k,{dynamic:!0,type:"line"},h);this.arrow=new MathBox.Renderable.ArrowHead(k[b-2],k[b-1],d,h);this.ticks=
+new MathBox.Renderable.Ticks(m,n,t,c,h);this.labels=new MathBox.Renderable.Labels(g,l,s,e,h)}});MathBox.Axis.validateArgs=function(a){"number"==typeof a&&(a={axis:a});return a};MathBox.Primitive.types.axis=MathBox.Axis;MathBox.Grid=function(a){null!==a&&MathBox.Primitive.call(this,a)};
+MathBox.Grid.prototype=_.extend(new MathBox.Primitive(null),{defaults:function(){return{axis:[0,1],offset:[0,0,0],show:[!0,!0],n:2,ticks:[10,10],tickUnit:[1,1],tickScale:[10,10],style:{lineWidth:1,color:new THREE.Color(10526880)}}},type:function(){return"grid"},renderables:function(){return this.lines||[]},adjust:function(a){function b(a,b,c,e,d){var f=l.slice(),g=0,h=MathBox.Ticks(b.min,b.max,b.ticks,b.tickUnit,b.tickScale,!0);h.length>e&&(h=h.slice(0,e));_.each(h,function(e){f[b.axis]=e+l[b.axis];
+f[c.axis]=c.min+l[c.axis];_.loop(d-1,function(b){a[g].set.apply(a[g],f);g++;f[c.axis]+=c.inv;a[g].set.apply(a[g],f);g++})});e=Math.max(0,g-1);for(h=a.length;g<h;)a[g++].copy(a[e])}var c=this.get(),d=c.axis,e=c.ticks,f=c.tickUnit,h=c.tickScale,k=c.n,g=c.show,l=c.offset,c=this.points,m=this.limit,n=[];"number"==typeof k&&(k=[k,k]);_.each(d,function(b,c){var d=a.axis(b);n.push({axis:b,min:d[0],max:d[1],inv:(d[1]-d[0])/(k[c]-1),ticks:e[c],tickUnit:f[c],tickScale:h[c]})});this.lines[0].show(g[0]);this.lines[1].show(g[1]);
+g[0]&&b(c[0],n[1],n[0],m[0],k[0]);g[1]&&b(c[1],n[0],n[1],m[1],k[1])},make:function(a){var b=this.get();a=b.ticks;var c=b.n,d=this.points=[[],[]],b=this.style;"number"==typeof c&&(c=[c,c]);var e=this.limit=[0,0];_.each(a,function(a,b){b=1-b;e[b]=4*a;_.loop(e[b]*(c[b]-1)*2,function(a){d[b].push(new THREE.Vector3)})});this.lines=[];this.lines.push(new MathBox.Renderable.Mesh(d[0],{type:"line",strip:!1,dynamic:!0},b));this.lines.push(new MathBox.Renderable.Mesh(d[1],{type:"line",strip:!1,dynamic:!0},
+b))}});MathBox.Primitive.types.grid=MathBox.Grid;MathBox.Vector=function(a){null!==a&&(MathBox.Primitive.call(this,a),this.render=[],this.arrows=[],this.line=this.points=this.vertices=null,this.on("change",function(a){void 0!==a.size&&_.each(this.arrows,function(c){c.set("size",a.size)})}))};MathBox.Vector.vLast=new THREE.Vector3;MathBox.Vector.vCurrent=new THREE.Vector3;
+MathBox.Vector.prototype=_.extend(new MathBox.Primitive(null),{defaults:function(){return{n:1,data:null,arrow:!0,expression:function(){return 0},live:!0,style:{},size:0.07}},type:function(){return"vector"},renderables:function(){return this.render},adjust:function(a){var b=this.get();0<this.style.get("opacity")&&(b.arrow||b.live)&&this.calculate(a);_.each(this.arrows,function(a){a.show(b.arrow)})},make:function(){var a=this.get(),b=a.arrow,c=this.style,d=a.n,e=this.vertices=[],f=this.points=[],h=
+this.render=[],k=this.arrows=[],g={dynamic:a.live,type:"line",strip:!1},l={size:a.size},m=0;_.loop(d,function(){e.push(new THREE.Vector3);e.push(new THREE.Vector3);f.push(new THREE.Vector3);f.push(new THREE.Vector3);if(b){var a=new MathBox.Renderable.ArrowHead(f[m++],f[m++],l,c);h.push(a);k.push(a)}});this.line=new MathBox.Renderable.Mesh(e,g,c);h.push(this.line);this.calculate()},calculate:function(a){var b=this.vertices,c=this.arrows,d=this.points,e=this.get(),f=e.data,h=e.arrow,k=e.n,g=e.size,
+l=this.style.get("mathScale"),m=0,n=0;_.loop(2*k,function(k){p=f&&void 0!==f[k]?f[k]:e.expression.call(this,n,m);var s=0,r=0,q=0;if(p instanceof Array){var u=p.length;0<u&&(s=p[0]);1<u&&(r=p[1]);2<u&&(q=p[2])}else s=k,r=+p,q=0;d[k].set(s,r,q);b[k].set(s,r,q);a&&h&&1==k%2&&(s=MathBox.Vector.vLast,r=MathBox.Vector.vCurrent,r.copy(b[k]),s.copy(b[k-1]),a.to(r),a.to(s),r.subSelf(s).multiplySelf(l),u=r.length(),q=Math.min(1,0.5*u/g),q=(1-(1-q)*(1-q))*g,u-=q,r.normalize().multiplyScalar(u).divideSelf(l).addSelf(s),
+a.from(r),b[k].copy(r),c[n].set({size:q}));n=m?n+1:n;m=(m+1)%2}.bind(this))}});MathBox.Primitive.types.vector=MathBox.Vector;MathBox.Surface=function(a){null!==a&&MathBox.Primitive.call(this,a)};
+MathBox.Surface.prototype=_.extend(new MathBox.Primitive(null),{defaults:function(){return{n:[64,64],domain:[[0,1],[0,1]],data:null,expression:function(){return 0},live:!0,points:!1,line:!1,mesh:!0,doubleSided:!0,flipSided:!1,shaded:!0,style:{}}},type:function(){return"surface"},renderables:function(){return[this.mesh,this.line,this.points]},adjust:function(a){a=this.get();this.mesh.show(a.mesh);this.line.show(a.line);this.points.show(a.points);(a.mesh||a.line||a.points)&&0<this.style.get("opacity")&&
+a.live&&this.calculate()},make:function(){var a=this.get(),b=this.style,c=a.n;"number"==typeof c&&(c=[c,c]);var d=this.geometry=new THREE.PlaneGeometry(2,2,c[0]-1,c[1]-1);this.vertices=d.vertices;this.mesh=new MathBox.Renderable.Mesh(d,{type:"mesh",doubleSided:a.doubleSided,flipSided:a.flipSided,shaded:a.shaded,smooth:!0,dynamic:a.live},b);this.line=new MathBox.Renderable.Mesh(d,{type:"mesh",shaded:a.shaded,smooth:!0,dynamic:a.live,wireframe:!0},b);this.points=new MathBox.Renderable.Mesh(d.vertices,
+{type:"points",dynamic:a.live},b);if(a.shaded){var e=this.tangents=[[],[]];_.loop(c[0]*c[1],function(){e[0].push(new THREE.Vector3);e[1].push(new THREE.Vector3)})}this.calculate()},calculate:function(){var a=this.vertices,b=this.tangents,c=this.get(),d=c.data,e=c.domain,f=c.n,h=c.flipSided,k=h?1:0,h=h?0:1;"number"==typeof f&&(f=[f,f]);var g=e[0][0],l=e[1][0],m=(e[0][1]-g)/(f[0]-1),n=(e[1][1]-l)/(f[1]-1),t,s=0;_.loop(f[1],function(b){g=e[0][0];_.loop(f[0],function(e){t=d&&void 0!==d[b]&&void 0!==d[b][e]?
+d[b][e]:c.expression.call(this,g,l,e,b,s);var f=e=0,h=0;if(t instanceof Array){var k=t.length;0<k&&(e=t[0]);1<k&&(f=t[1]);2<k&&(h=t[2])}else e=g,f=+t,h=l;a[s].set(e,f,h);g+=m;s++}.bind(this));l+=n}.bind(this));if(c.shaded){var s=0,l=e[1][0],r=f[0];_.loop(f[1],function(c){g=e[0][0];var d=c?c-1:0,h=Math.min(f[1]-1,c+1);_.loop(f[0],function(e){var k=e?e-1:0,l=Math.min(f[0]-1,e+1),n=a[e+c*r];l==e?b[0][s].sub(n,a[k+c*r]).addSelf(n):b[0][s].copy(a[l+c*r]);h==c?b[1][s].sub(n,a[e+d*r]).addSelf(n):b[1][s].copy(a[e+
+h*r]);g+=m;s++});l+=n});this.line.set("attributes",{positionDU:b[k],positionDV:b[h]});this.mesh.set("attributes",{positionDU:b[k],positionDV:b[h]})}}});MathBox.Primitive.types.surface=MathBox.Surface;MathBox.BezierSurface=function(a){this.matrixX=new THREE.Matrix4;this.matrixY=new THREE.Matrix4;this.matrixZ=new THREE.Matrix4;this.coefficients=new THREE.Matrix4(-1,3,-3,1,3,-6,3,0,-3,3,0,0,1,0,0,0);MathBox.Surface.call(this,a)};
+MathBox.BezierSurface.prototype=_.extend(new MathBox.Surface(null),{defaults:function(){return{n:[64,64],domain:[[0,1],[0,1]],data:null,order:3,expression:function(){return 0},live:!0,points:!1,line:!1,mesh:!0,doubleSided:!0,flipSided:!1,shaded:!0,style:{}}},type:function(){return"bezierSurface"},calculate:function(){var a=this.vertices,b=this.get(),c=b.domain,d=b.data,e=b.order,f=b.shaded,h=b.n;"number"==typeof h&&(h=[h,h]);if(3!=e)throw"Bezier surface order must be 3.";var k=[],g;_.loop(e+1,function(a){_.loop(e+
+1,function(c){g=d&&void 0!==d[a]&&void 0!==d[a][c]?d[a][c]:b.expression.call(this,c,a,c,a);var e=0,f=0,h=0;g instanceof Array?(c=g.length,0<c&&(e=g[0]),1<c&&(f=g[1]),2<c&&(h=g[2])):(e=c,f=+g,h=a);k.push([e,f,h])}.bind(this))}.bind(this));g=k;this.matrixX.set(g[0][0],g[1][0],g[2][0],g[3][0],g[4][0],g[5][0],g[6][0],g[7][0],g[8][0],g[9][0],g[10][0],g[11][0],g[12][0],g[13][0],g[14][0],g[15][0]);this.matrixY.set(g[0][1],g[1][1],g[2][1],g[3][1],g[4][1],g[5][1],g[6][1],g[7][1],g[8][1],g[9][1],g[10][1],g[11][1],
+g[12][1],g[13][1],g[14][1],g[15][1]);this.matrixZ.set(g[0][2],g[1][2],g[2][2],g[3][2],g[4][2],g[5][2],g[6][2],g[7][2],g[8][2],g[9][2],g[10][2],g[11][2],g[12][2],g[13][2],g[14][2],g[15][2]);var l=this.coefficients;this.matrixX.multiplySelf(l).transpose().multiplySelf(l);this.matrixY.multiplySelf(l).transpose().multiplySelf(l);this.matrixZ.multiplySelf(l).transpose().multiplySelf(l);var l={bezierSurfaceX:this.matrixX,bezierSurfaceY:this.matrixY,bezierSurfaceZ:this.matrixZ},m=c[0][0],n=c[1][0],t=(c[0][1]-
+m)/(h[0]-1),s=(c[1][1]-n)/(h[1]-1),r=0;_.loop(h[1],function(b){m=c[0][0];_.loop(h[0],function(b){a[r].set(m,n,0);m+=t;r++}.bind(this));n+=s}.bind(this));l={uniforms:l,shaders:{position:function(a,b){f?(a.snippet("bezierSurface"+e),a.group(),a.snippet("mathTransform"),b.viewport(a),a.next(),a.snippet("mathTransform"),b.viewport(a),a.next(),a.snippet("mathTransform"),b.viewport(a),a.combine()):(a.snippet("bezierSurface"+e).snippet("mathTransform"),b.viewport(a))}}};this.mesh.set(l);this.line.set(l);
+this.points.set(l)}});MathBox.Primitive.types.bezierSurface=MathBox.BezierSurface;MathBox.Platonic=function(a){null!==a&&MathBox.Primitive.call(this,a)};
+MathBox.Platonic.prototype=_.extend(new MathBox.Primitive(null),{defaults:function(){return{n:1,type:"cube",points:!1,line:!1,mesh:!0,doubleSided:!0,flipSided:!1,shaded:!0,style:{}}},type:function(){return"platonic"},renderables:function(){return[this.mesh,this.line,this.points]},adjust:function(a){a=this.get();this.mesh.show(a.mesh);this.line.show(a.line);this.points.show(a.points)},make:function(){var a=this.get(),b=this.style,c;switch(a.type){case "cube":c=new THREE.CubeGeometry(2,2,2,1,1,1)}this.mesh=
+new MathBox.Renderable.Mesh(c,{type:"mesh",doubleSided:a.doubleSided,flipSided:a.flipSided,shaded:a.shaded,smooth:!1,dynamic:a.live},b);this.line=new MathBox.Renderable.Mesh(c,{type:"mesh",shaded:a.shaded,smooth:!1,dynamic:a.live,wireframe:!0},b);this.points=new MathBox.Renderable.Mesh(c.vertices,{type:"points",dynamic:a.live},b)}});MathBox.Primitive.types.platonic=MathBox.Platonic;MathBox.Label=function(a){null!==a&&MathBox.Primitive.call(this,a)};
+MathBox.Label.prototype=_.extend(new MathBox.Primitive(null),{defaults:function(){return{position:[0,0,0],facing:1,distance:15,style:{color:new THREE.Color(7368816)},text:""}},renderables:function(){return[this.labels]},type:function(){return"label"},adjust:function(a,b){var c=this.get(),d=[0,0,0];d[c.facing]=1;var e=this.labelTangent;e.set.apply(e,d);d=this.labelPoint;d.set.apply(d,c.position);this.labels.show(!0)},make:function(){var a=this.get(),b=a.position,c=a.text,d=a.distance,a=this.style,
+e=this.labelTangent=new THREE.Vector3,f=this.labelPoint=new THREE.Vector3,d={dynamic:!0,distance:d};f.set.apply(f,b);b=function(a){return c}.bind(this);this.labels=new MathBox.Renderable.Labels([f],e,b,d,a)}});MathBox.Label.validateArgs=function(a){return a};MathBox.Primitive.types.label=MathBox.Label;
+MathBox.Renderable=function(a,b){if(null!==a){this.id=++MathBox.Renderable.id;var c=this.defaults();a&&(a=_.extend(c,a||{}));this.set(a||c);this.geometry=this.material=this.object=null;this.visible=!0;this.style=b||new MathBox.Style;this.style.on("change",this.styleCallback=this.refreshStyle.bind(this));this.on("change",this.uniformsCallback=this.refreshOptions.bind(this));this.mathTransform=new THREE.Matrix4}};MathBox.Renderable.id=0;
+MathBox.Renderable.prototype={defaults:function(){return{}},make:function(a){},destroy:function(){},show:function(a){a=void 0===a?!0:!!a;a!=this.visible&&(this.visible=a,this.refresh())},isVisible:function(){return this.object&&this.object.visible},composeTransform:function(a,b,c){var d=THREE.Matrix4.__m1,e=THREE.Matrix4.__m2;d.identity();d.setRotationFromEuler(b,this.object.eulerOrder);e.makeScale(c.x,c.y,c.z);this.mathTransform.multiply(d,e);b=this.mathTransform.elements;b[12]=a.x;b[13]=a.y;b[14]=
+a.z},refreshStyle:function(a){var b=this.style.get();a=a||b;this.material&&this.material.applyUniforms(a);if(this.object){this.object.frustumCulled=!1;a.worldPosition&&(this.object.position=b.worldPosition);a.worldRotation&&(this.object.rotation=b.worldRotation);a.worldScale&&(this.object.scale=b.worldScale);if(a.mathPosition||a.mathRotation||a.mathScale)this.composeTransform(b.mathPosition,b.mathRotation,b.mathScale),this.material&&this.material.applyUniforms({mathTransform:this.mathTransform});
+void 0!==a.opacity&&(this.object.visible=this.visible&&0<b.opacity);void 0===a.opacity&&void 0===a.zIndex||!this.material||(this.object.renderDepth=b.zIndex*(1==b.opacity?1:-1))}},refreshOptions:function(a){var b=this.get();a=a||b;if(this.material){b=this.get();if(void 0!==a.doubleSided||void 0!==a.flipSided)this.material.side=b.doubleSided?THREE.DoubleSide:b.flipSided?THREE.BackSide:THREE.FrontSide,b={flipSided:b.doubleSided&&b.flipSided?-1:1},this.material.applyUniforms(b);(b=this.get().uniforms)&&
+this.material.applyUniforms(b);(b=this.get().attributes)&&this.material.applyAttributes(b)}},refresh:function(){this.refreshStyle();this.refreshOptions()},adjust:function(a){this.material&&this.material.applyUniforms(a.uniforms())}};MathBox.Attributes.mixin(MathBox.Renderable);MathBox.Renderable.Mesh=function(a,b,c){this.points=a;MathBox.Renderable.call(this,b,c)};
+MathBox.Renderable.Mesh.prototype=_.extend(new MathBox.Renderable(null),{defaults:function(){return{type:"points",doubleSided:!0,dynamic:!1,absolute:!1,strip:!0,shaders:{}}},make:function(a){var b=this.get(),c=b.type,d=b.strip,e={points:THREE.ParticleSystem,line:THREE.Line,mesh:THREE.Mesh}[c];if(!e)throw"Invalid Mesh type '"+c+"'";a=this.material=a.generic(b);var f;f=this.points;f instanceof Array?(f=this.geometry=new THREE.Geometry,f.vertices=this.points):f=this.geometry=f;f.dynamic=b.dynamic;switch(c){case "line":b=
+new THREE.Line(f,a,d?THREE.LineStrip:THREE.LinePieces);break;default:b=new e(f,a)}this.object=b;this.refresh()},adjust:function(a){this.get().dynamic&&(this.geometry.verticesNeedUpdate=!0);MathBox.Renderable.prototype.adjust.call(this,a)}});MathBox.Renderable.ArrowHead=function(a,b,c,d){this.from=a;this.to=b;MathBox.Renderable.call(this,c,d)};MathBox.Renderable.ArrowHead.geometry=new THREE.CylinderGeometry(0.33,0,1,16,1);
+MathBox.Renderable.ArrowHead.prototype=_.extend(new MathBox.Renderable(null),{defaults:function(){return{offset:0,absolute:!0,size:0.1}},make:function(a){var b=this.get();a=this.material=a.generic(b);this._from=new THREE.Vector3;this._to=new THREE.Vector3;this.diff=new THREE.Vector3;this.bi=new THREE.Vector3;this.normal=new THREE.Vector3(0,0,1);b=this.geometry=MathBox.Renderable.ArrowHead.geometry;this.object=new THREE.Mesh(b,a);this.refresh()},isVisible:function(){return this.visible&&0<this.style.get("opacity")},
+adjust:function(a){var b=this.get(),c=b.offset,d=this._from.copy(this.from),e=this._to.copy(this.to);this.mathTransform.multiplyVector3(d);this.mathTransform.multiplyVector3(e);a.to(d);a.to(e);d=this.diff.sub(d,e);if(0.001>d.length())this.object.visible=!1;else{this.object.visible=this.visible;d=d.normalize();this.normal.x=this.diff.y+0.1;this.normal.y=this.diff.z+0.2;this.normal.z=this.diff.x+0.3;this.normal.normalize();var f=this.bi.cross(this.normal,this.diff).normalize(),h=this.normal.cross(this.bi,
+this.diff),b=b.size,e=(new THREE.Matrix4(f.x,d.x,h.x,e.x,f.y,d.y,h.y,e.y,f.z,d.z,h.z,e.z,0,0,0,1)).scale(new THREE.Vector3(b,b,b));this.object.updateMatrix();this.object.matrix.multiplySelf(e);e.identity().setPosition({x:0,y:0.5-c,z:0});this.object.matrix.multiplySelf(e);this.object.matrixAutoUpdate=!1;this.object.matrixWorldNeedsUpdate=!0;MathBox.Renderable.prototype.adjust.call(this,a)}}});
+MathBox.Renderable.Ticks=function(a,b,c,d,e){this.points=a;this.signs=b;this.epsilon=c;MathBox.Renderable.call(this,d,e)};
+MathBox.Renderable.Ticks.prototype=_.extend(new MathBox.Renderable(null),{defaults:function(){return{dynamic:!1,absolute:!1,size:0.1}},make:function(a){var b=this.get(),c=this.points;a=this.material=a.generic({type:"line",shaders:{position:function(a,c){c.position(a,b);a.snippet("tickVertexSplit");a.group();c.viewport(a);a.next();c.viewport(a);a.combine();a.snippet("tickVertexJoin")}}});var d=this.geometry=new THREE.Geometry;d.vertices=c;this.object=new THREE.Line(d,a,THREE.LinePieces);this.refresh()},
+adjust:function(a){var b=this.get();this.material&&this.material.applyAttributes({tickSign:this.signs});this.material&&this.material.applyUniforms({tickEpsilon:this.epsilon,tickSize:b.size});b.dynamic&&(this.material.attributes.tickSign.needsUpdate=!0,this.geometry.verticesNeedUpdate=!0);MathBox.Renderable.prototype.adjust.call(this,a)}});MathBox.Renderable.Labels=function(a,b,c,d,e){this.points=a;this.tangent=b;this.callback=c;this.sprites=[];MathBox.Renderable.call(this,d,e)};
+MathBox.Renderable.Labels.prototype=_.extend(new MathBox.Renderable(null),{defaults:function(){return{absolute:!0,distance:15,size:1}},make:function(a){this.get();var b=this.tangent,c=this.sprites;a=this.points.length;this._anchor=new THREE.Vector3;var d=document.createElement("div"),e=this.object=new MathBox.Sprite(d);d.className="mathbox-labels";_.loop(a,function(a){a=document.createElement("div");var d=document.createElement("div");a.appendChild(d);var k=new MathBox.Sprite(a,b);a.className="mathbox-label";
+d.className="mathbox-wrap";d.style.position="relative";d.style.display="inline-block";d.style.left="-50%";d.style.top="-.5em";c.push(k);e.add(k)})},adjust:function(a,b,c,d,e){var f=this.get(),h=this.points;b=this.sprites;var k=this.callback,g=f.decimals,l=this.style.get("opacity"),m=window.MathJax&&MathJax.Hub,n=1/Math.log(10);_.each(b,function(b,c){b.position.copy(h[c]);a.to(b.position);e.matrix.multiplyVector3(b.position);b.distance=f.distance;b.opacity=l;var d="";if(k){d=k(c);void 0===d&&(d="");
+if(+d==d){var q=+d;if(0!=q)var d=0>q?-1:1,q=Math.abs(q),u=Math.pow(10,g-1-Math.floor(Math.log(q)*n)),d=q=d*Math.round(u*q)/u}m||(d=(""+d).replace(/^-/,"\u2013"))}b.content!==d&&(q=b.element.children[0],b.content=d,b.measure=!0,m?(q.innerHTML="\\("+d+"\\)",MathJax.Hub.queue.Push(["Typeset",MathJax.Hub,q])):q.innerHTML=d)});MathBox.Renderable.prototype.adjust.call(this,a)}});
+MathBox.Viewport=function(a){if(null!==a){var b=this.defaults();a=_.extend(b,a||{});this.set(a);this.singleton="viewport";this._uniforms={}}};
+MathBox.Viewport.prototype={defaults:function(){return{type:"none",rotation:[0,0,0],position:[0,0,0]}},uniforms:function(){return this._uniforms},axis:function(a){return[0,1]},to:function(a){},from:function(a){},update:function(a){var b=this.get();_.each(["position","rotation"],function(c){a[c].set.apply(a[c],b[c])})},shader:function(a){a.snippet("mathToWorld")},validateRotation:function(a){return a.constructor==Array?(a=a.concat([0,0,0]),a.slice(0,3)):this.get("rotation")},validatePosition:function(a){return a.constructor==
+Array?(a=a.concat([0,0,0]),a.slice(0,3)):this.get("position")}};MathBox.Attributes.mixin(MathBox.Viewport,"type");MathBox.Viewport.types={};MathBox.Viewport.make=function(a){return new (MathBox.Viewport.types[a.type]||MathBox.Viewport.types.cartesian||MathBox.Viewport)(a)};
+MathBox.ViewportCartesian=function(a){if(null!==a){var b=MathBox.Viewport;b.call(this,a);this.super=b.prototype;this.transform=new THREE.Matrix4;this.inverse=new THREE.Matrix4;_.extend(this._uniforms,{viewportTransform:this.transform,viewportInverse:this.inverse})}};
+MathBox.ViewportCartesian.prototype=_.extend(new MathBox.Viewport(null),{defaults:function(){return{type:"cartesian",range:[[-1,1],[-1,1],[-1,1]],scale:[1,1,1],rotation:[0,0,0],position:[0,0,0]}},to:function(a){this.transform.multiplyVector3(a)},from:function(a){this.inverse.multiplyVector3(a)},axis:function(a){var b=this.get().range[a];a=b[0];var c=b[1],b=Math.min(a,c);a=Math.max(a,c);return[b,a]},update:function(a){var b=this.get(),c=b.range,d=b.scale,b=c[0][0],e=c[1][0],f=c[2][0],h=c[0][1]-b,k=
+c[1][1]-e,c=c[2][1]-f,g=d[0],l=d[1],d=d[2],m=[h/(2*g),0,0,b+h/2,0,k/(2*l),0,e+k/2,0,0,c/(2*d),f+c/2,0,0,0,1];this.transform.set.apply(this.transform,[2*g/h,0,0,-(2*b+h)*g/h,0,2*l/k,0,-(2*e+k)*l/k,0,0,2*d/c,-(2*f+c)*d/c,0,0,0,1]);this.inverse.set.apply(this.inverse,m);MathBox.Viewport.prototype.update.call(this,a)},validateRange:function(a){a=a||[];for(var b=0;3>b;++b){a[b]=a[b]||[];for(var c=0;2>c;++c)a[b][c]=void 0!==a[b][c]?a[b][c]:2*c-1}return a},validateScale:function(a){a=a||[];for(var b=0;3>
+b;++b)a[b]=a[b]||1;return a}});MathBox.Attributes.mixin(MathBox.Viewport);MathBox.Viewport.types.cartesian=MathBox.ViewportCartesian;MathBox.ViewportPolar=function(a){var b=MathBox.ViewportCartesian;b.call(this,a);this.super=b.prototype;_.extend(this._uniforms,{polarAlpha:0,polarAspect:1,polarPower:1,polarFold:1,polarFocus:1,polarHelix:0})};
+MathBox.ViewportPolar.prototype=_.extend(new MathBox.ViewportCartesian(null),{defaults:function(){return{type:"polar",range:[[-1,1],[-1,1],[-1,1]],polar:1,fold:1,power:1,helix:0,scale:[1,1,1],rotation:[0,0,0],position:[0,0,0]}},to:function(a){var b=this._uniforms.polarAspect,c=this._uniforms.polarFocus,d=this._uniforms.polarAlpha,e=this._uniforms.polarPower,f=this._uniforms.polarHelix;a.x*=this._uniforms.polarFold;a.y=Math.sign(a.y)*Math.pow(Math.abs(a.y),e);if(1E-4<d){var e=c+a.y*b,h=a.x*d;a.z+=
+a.x*f*d;a.x=Math.sin(h)*e;a.y=(Math.cos(h)*e-c)/b}this.transform.multiplyVector3(a)},from:function(a){var b=this._uniforms.polarAspect,c=this._uniforms.polarFocus,d=this._uniforms.polarAlpha,e=this._uniforms.polarFold,f=this._uniforms.polarPower,h=this._uniforms.polarHelix;this.inverse.multiplyVector3(a);if(1E-4<d){var k=a.x,g=a.y*b+c,l=Math.sqrt(k*k+g*g);theta=Math.atan2(k,g);a.x=theta/d;a.y=(l-c)/b;a.z-=a.x*h*d}a.x/=e;a.y=Math.sign(a.y)*Math.pow(Math.abs(a.y),1/f)},axis:function(a){var b=this.super.axis.call(this,
+a);min=b[0];max=b[1];alpha=this._uniforms.polarAlpha;aspect=this._uniforms.polarAspect;focus=this._uniforms.polarFocus;1==a&&0<alpha&&(max=Math.max(Math.abs(max),Math.abs(min)),min=Math.max(-focus/aspect+0.001,min));return[min,max]},update:function(a){var b=this.get(),c=b.range,d=b.scale,e=b.polar,f=b.fold,h=b.power,b=b.helix,k=1,g=c[0][0],l=c[1][0],m=c[2][0],n=c[0][1]-g,t=c[1][1]-l,c=c[2][1]-m,s=d[0],r=d[1],d=d[2],k=0<n?1:-1,q=Math.abs(t),q=n+(q*k-n)*e,k=Math.abs(q/s/(t/r)),u=[q/(2*s),0,0,g+n/2,
+0,t/(2*r),0,l+t/2,0,0,c/(2*d),m+c/2,0,0,0,1];this.transform.set.apply(this.transform,[2*s/q,0,0,-(2*g+n)*s/n,0,2*r/t,0,-(2*l+t)*r/t,0,0,2*d/c,-(2*m+c)*d/c,0,0,0,1]);this.inverse.set.apply(this.inverse,u);this._uniforms.polarAlpha=e;this._uniforms.polarAspect=k;this._uniforms.polarFold=f;this._uniforms.polarPower=h;this._uniforms.polarFocus=0<e?1/e-1:0;this._uniforms.polarHelix=b;MathBox.Viewport.prototype.update.call(this,a)},shader:function(a){a.snippet("polarPower").snippet("cartesianToPolar").snippet("mathToWorld")},
+validatePolar:function(a){return Math.max(0,Math.min(1,+a||0))},validateFold:function(a){return+a||0},validatePower:function(a){return+a||0},validateHelix:function(a){return+a||0}});MathBox.Attributes.mixin(MathBox.Viewport);MathBox.Viewport.types.polar=MathBox.ViewportPolar;MathBox.ViewportProjective=function(a){var b=MathBox.ViewportCartesian;b.call(this,a);this.super=b.prototype;_.extend(this._uniforms,{projectiveTransform:new THREE.Matrix4,projectiveInverse:new THREE.Matrix4})};
+MathBox.ViewportProjective.prototype=_.extend(new MathBox.ViewportCartesian(null),{defaults:function(){return{type:"projective",range:[[-1,1],[-1,1],[-1,1]],scale:[1,1,1],rotation:[0,0,0],position:[0,0,0],projective:[[1,0,0,0],[0,1,0,0],[0,0,1,0],[0,0,0,1]]}},to:function(a){this._uniforms.projectiveTransform.multiplyVector3(a);this.transform.multiplyVector3(a)},from:function(a){this.inverse.multiplyVector3(a);this._uniforms.projectiveInverse.multiplyVector3(a)},update:function(a){var b=this._uniforms.projectiveTransform,
+c=this.get("projective");b.set.apply(b,c[0].concat(c[1],c[2],c[3]));this._uniforms.projectiveInverse.getInverse(b);MathBox.ViewportCartesian.prototype.update.call(this,a)},shader:function(a){a.snippet("projectiveTransform").snippet("mathToWorld")},validateProjective:function(a){if(a.constructor==Array){for(var b=0;3>b;++b)a[b]=a[b]&&a.constructor==Array&&a[b]||[],a[b]=a[b].concat([0,0,0,0]).slice(0,4);return a}}});MathBox.Attributes.mixin(MathBox.Viewport);MathBox.Viewport.types.projective=MathBox.ViewportProjective;
+MathBox.ViewportSphere=function(a){var b=MathBox.ViewportCartesian;b.call(this,a);this.super=b.prototype;_.extend(this._uniforms,{sphereAlpha:0,sphereAspectX:1,sphereAspectY:1,sphereYScale:1,sphereFocus:1})};
+MathBox.ViewportSphere.prototype=_.extend(new MathBox.ViewportCartesian(null),{defaults:function(){return{type:"sphere",range:[[-1,1],[-1,1],[-1,1]],sphere:1,scale:[1,1,1],rotation:[0,0,0],position:[0,0,0]}},to:function(a){var b=this._uniforms.sphereAspectX,c=this._uniforms.sphereAspectY,d=this._uniforms.sphereYScale,e=this._uniforms.sphereFocus,f=this._uniforms.sphereAlpha;if(1E-4<f){var h=e+a.z*b,k=a.x*f,d=a.y*f/c*d,f=Math.cos(d)*h;a.x=Math.sin(k)*f;a.y=Math.sin(d)*h*c;a.z=(Math.cos(k)*f-e)/b}this.transform.multiplyVector3(a)},
+from:function(a){var b=this._uniforms.sphereAspectX,c=this._uniforms.sphereAspectY,d=this._uniforms.sphereYScale,e=this._uniforms.sphereFocus,f=this._uniforms.sphereAlpha;this.inverse.multiplyVector3(a);if(1E-4<f){var h=a.x,k=a.y/c,g=a.z*b+e,l=Math.sqrt(h*h+k*k+g*g),k=Math.atan2(k,Math.sqrt(h*h+g*g)),h=Math.atan2(h,g);a.x=h/f;a.y=k/f*c/d;a.z=(l-e)/b}},axis:function(a){var b=this.super.axis.call(this,a);min=b[0];max=b[1];alpha=this._uniforms.sphereAlpha;beta=this._uniforms.sphereBeta;aspectX=this._uniforms.sphereAspectX;
+aspectY=this._uniforms.sphereAspectY;focus=this._uniforms.sphereFocus;2==a&&0<alpha&&(max=Math.max(Math.abs(max),Math.abs(min)),min=Math.max(-focus/aspectX,min));return[min,max]},update:function(a){var b=this.get(),c=b.range,d=b.scale,b=b.sphere,e=0<b?1/b-1:0,f=c[0][0],h=c[1][0],k=c[2][0],g=c[0][1]-f,l=c[1][1]-h,c=c[2][1]-k,m=d[0],n=d[1],d=d[2],t=0<g?1:-1,s=0<l?1:-1,r=Math.abs(c),t=g+(r*t-g)*b,s=l+(r*s-l)*b,r=c/d;aspectX=t/m/r;aspectY=s/n/r/aspectX;aspectZ=l/g*m/n*2;yScale=Math.min(aspectY/b,1+(aspectZ-
+1)*b);r=[t/(2*m),0,0,f+g/2,0,s/(2*n),0,h+l/2,0,0,c/(2*d),k+c/2,0,0,0,1];this.transform.set.apply(this.transform,[2*m/t,0,0,-(2*f+g)*m/g,0,2*n/s,0,-(2*h+l)*n/l,0,0,2*d/c,-(2*k+c)*d/c,0,0,0,1]);this.inverse.set.apply(this.inverse,r);this._uniforms.sphereAlpha=b;this._uniforms.sphereAspectX=aspectX;this._uniforms.sphereAspectY=aspectY;this._uniforms.sphereYScale=yScale;this._uniforms.sphereFocus=e;MathBox.Viewport.prototype.update.call(this,a)},shader:function(a){a.snippet("cartesianToSphere").snippet("mathToWorld")},
+validateSphere:function(a){return Math.max(0,Math.min(1,+a||0))}});MathBox.Attributes.mixin(MathBox.Viewport);MathBox.Viewport.types.sphere=MathBox.ViewportSphere;
diff --git a/build/MathBox.min.js b/build/MathBox.min.js
index 8b13789..a6a51d3 100644
--- a/build/MathBox.min.js
+++ b/build/MathBox.min.js
@@ -1 +1,208 @@
-
+var MicroEvent=function(){};MicroEvent.prototype={bind:function(a,b){this._events=this._events||{};this._events[a]=this._events[a]||[];this._events[a].push(b)},unbind:function(a,b){this._events=this._events||{};!1!==a in this._events&&this._events[a].splice(this._events[a].indexOf(b),1)},trigger:function(a){this._events=this._events||{};if(!1!==a in this._events)for(var b=0;b<this._events[a].length;b++)this._events[a][b].apply(this,Array.prototype.slice.call(arguments,1))}};
+MicroEvent.mixin=function(a){for(var b=["bind","unbind","trigger"],c=0;c<b.length;c++)a.prototype[b[c]]=MicroEvent.prototype[b[c]]};"undefined"!==typeof module&&"exports"in module&&(module.exports=MicroEvent);
+function microAjax(a,b,c){this.bindFunction=function(a,b){return function(){return a.apply(b,[b])}};this.stateChange=function(a){4==this.request.readyState&&this.callbackFunction(this.request.responseText)};this.getRequest=function(){return window.ActiveXObject?new ActiveXObject("Microsoft.XMLHTTP"):window.XMLHttpRequest?new XMLHttpRequest:!1};this.postBody=c||"";this.callbackFunction=b;this.url=a;if(this.request=this.getRequest())b=this.request,b.onreadystatechange=this.bindFunction(this.stateChange,
+this),""!==this.postBody?(b.open("POST",a,!0),b.setRequestHeader("X-Requested-With","XMLHttpRequest"),b.setRequestHeader("Content-type","application/x-www-form-urlencoded"),b.setRequestHeader("Connection","close")):b.open("GET",a,!0),b.send(this.postBody)}var \u03c0=Math.PI,\u03c4=2*\u03c0;(function(a){for(var b in a)if(!window[b])throw"Error: ThreeBox requires "+a[b];})({THREE:"Three.js",tQuery:"tQuery.js (bundle)"});window.ThreeBox={};
+window.threeBox=function(a,b){!a||a instanceof Node||(b=a,a=null);return tQuery.createWorld(b).threeBox(a,b)};MicroEvent.prototype.on=function(){MicroEvent.prototype.bind.apply(this,arguments);return this};MicroEvent.prototype.emit=function(){MicroEvent.prototype.trigger.apply(this,arguments);return this};MicroEvent.mixin=function(a){for(var b=["bind","unbind","trigger","on","emit"],c=0;c<b.length;c++)a.prototype[b[c]]=MicroEvent.prototype[b[c]]};tQuery.World.prototype.on=tQuery.World.prototype.addEventListener;
+tQuery.World.prototype.emit=tQuery.World.prototype.dispatchEvent;tQuery.World.registerInstance("threeBox",function(a,b){!a||a instanceof Node||(b=a,a=null);var c=a=a||document.body;a==document.body?(c.style.margin=0,c.style.padding=0,c.style.overflow="hidden"):(getComputedStyle(a),"static"==a.position&&(a.position="relative"));this.appendTo(c);this.addThreeBox(a,b||{});return this});
+tQuery.World.registerInstance("addThreeBox",function(a,b){console.assert(!0!==this.hasThreeBox());b=tQuery.extend(b,{cameraControls:!1,cursor:!0,controlClass:ThreeBox.OrbitControls,elementResize:!0,fullscreen:!0,screenshot:!0,stats:!0,scale:1});this.tRenderer().domElement.style.display="block";var c={};tQuery.data(this,"_threeBoxContext",c);var d=this.tCamera(),e=this.tRenderer();b.stats&&(c.stats=new Stats,c.stats.domElement.style.position="absolute",c.stats.domElement.style.left="10px",c.stats.domElement.style.top=
+"10px",a&&a.appendChild(c.stats.domElement),c.loopStats=function(){c.stats.update()},this.loop().hook(c.loopStats));if(b.cameraControls){var f=this.loop(),g=this.render.bind(this);c.cameraControls=new b.controlClass(d,a,b);if(c.cameraControls.on)c.cameraControls.on("change",function(){f._timerId||g()});this.setCameraControls(c.cameraControls)}b.elementResize&&(c.elementResize=ThreeBox.ElementResize.bind(e,d,a,b).on("resize",function(a,b){this._opts.renderW=a;this._opts.renderH=b;this.emit("resize",
+a,b)}.bind(this)));null!==b.cursor&&(c.cursor=ThreeBox.Cursor.bind(a,b));THREEx&&THREEx.Screenshot&&b.screenshot&&(c.screenshot=THREEx.Screenshot.bindKey(e));THREEx&&THREEx.FullScreen&&b.fullscreen&&THREEx.FullScreen.available()&&(c.fullscreen=THREEx.FullScreen.bindKey());c._$onDestroy=this.bind("destroy",function(){!1!==this.hasThreeBox()&&this.removeThreeBox()});return this});tQuery.World.registerInstance("hasThreeBox",function(){return void 0===tQuery.data(this,"_threeBoxContext")?!1:!0});
+tQuery.World.registerInstance("removeThreeBox",function(){var a=tQuery.data(this,"_threeBoxContext");if(void 0===a)return this;tQuery.removeData(this,"_threeBoxContext");this.unbind("destroy",this._$onDestroy);a.stats&&(document.body.removeChild(a.stats.domElement),this.loop().unhook(a.loopStats));a.cameraControls&&this.removeCameraControls()&&a.cameraControls.stop();a.elementResize&&a.elementResize.unbind();a.cursor&&a.cursor.unbind();a.screenshot&&a.screenshot.unbind();a.fullscreen&&a.fullscreen.unbind()});
+ThreeBox.ElementResize=function(a,b,c,d){this.scale=d.scale||1;this.orbit=d.orbit;d=this.callback=function(){var d=Math.floor(c.offsetWidth),f=Math.floor(c.offsetHeight);a.domElement.style.position="absolute";a.domElement.style.width=d+"px";a.domElement.style.height=f+"px";var g=Math.floor(d/this.scale),h=Math.floor(f/this.scale);a.setSize(g,h);b.aspect=d/f;b instanceof THREE.OrthographicCamera&&(b.top=this.orbit/2,b.bottom=-b.top,b.left=-b.top*b.aspect,b.right=-b.bottom*b.aspect);b.updateProjectionMatrix();
+this.emit("resize",g,h)}.bind(this);window.addEventListener("resize",d,!1);c.addEventListener("resize",d,!1);setTimeout(d,0)};ThreeBox.ElementResize.bind=function(a,b,c,d){return new ThreeBox.ElementResize(a,b,c,d)};ThreeBox.ElementResize.prototype.scale=function(a){this.scale=a};ThreeBox.ElementResize.prototype.unbind=function(){window.removeEventListener("resize",callback);domElement.removeEventListener("resize",callback)};MicroEvent.mixin(ThreeBox.ElementResize);
+ThreeBox.OrbitControls=function(a,b,c){this.element=b;this.camera=a;this.options=tQuery.extend(c,{phi:\u03c4/4,theta:0.3,orbit:2,lookAt:[0,0,0],speed:2});this.init();this.start();this.update()};
+ThreeBox.OrbitControls.prototype={init:function(){this.width=this.element&&this.element.offsetWidth;this.height=this.element&&this.element.offsetHeight;this.phi=this.options.phi;this.theta=this.options.theta;this.orbit=this.options.orbit;this.speed=this.options.speed;this.lookAt=new THREE.Vector3;this.lookAt.set.apply(this.lookAt,this.options.lookAt||[])},start:function(){var a=this;this._mouseDown=function(b){a.width=a.element&&a.element.offsetWidth;a.height=a.element&&a.element.offsetHeight;a.drag=
+!0;a.lastHover=a.origin={x:b.pageX,y:b.pageY};b.preventDefault()};this._mouseUp=function(){a.drag=!1};this._mouseMove=function(b){if(a.drag){var c={x:b.pageX-a.origin.x,y:b.pageY-a.origin.y},d={x:b.pageX-a.lastHover.x,y:b.pageY-a.lastHover.y};a.lastHover={x:b.pageX,y:b.pageY};a.moved(a.origin,c,d)}};this.element&&(this.element.addEventListener("mousedown",this._mouseDown,!1),document.addEventListener("mouseup",this._mouseUp,!1),document.addEventListener("mousemove",this._mouseMove,!1))},stop:function(){this.element&&
+(this.element.removeEventListener("mousedown",this._mouseDown),document.removeEventListener("mouseup",this._mouseUp),document.removeEventListener("mousemove",this._mouseMove))},moved:function(a,b,c){this.phi+=c.x*this.speed/this.width;this.theta=Math.min(\u03c0/2,Math.max(-\u03c0/2,this.theta+c.y*this.speed/this.height));this.emit("change")},update:function(){this.camera.position.x=Math.cos(this.phi)*Math.cos(this.theta)*this.orbit;this.camera.position.y=Math.sin(this.theta)*this.orbit;this.camera.position.z=
+Math.sin(this.phi)*Math.cos(this.theta)*this.orbit;this.camera.position.addSelf(this.lookAt);this.camera.lookAt(this.lookAt)}};ThreeBox.OrbitControls.bind=function(a,b,c){return new ThreeBox.OrbitControls(a,b,c)};MicroEvent.mixin(ThreeBox.OrbitControls);
+ThreeBox.Cursor=function(a,b){function c(){f||(a.style.cursor=d);clearTimeout(e);f=!1;e=setTimeout(function(){f=!0;a.style.cursor="none"},g)}var d=b.cameraControls?"move":"default",e=null,f=!1,g=2E3;b.cursor?a.style.cursor=d:(a.addEventListener("mousemove",c),a.style.cursor="none");return{unbind:function(){a.removeEventListener("mousemove",c)}}};ThreeBox.Cursor.bind=function(a,b){return ThreeBox.Cursor(a,b)};
+ThreeBox.preload=function(a,b){a instanceof Function&&(b=a,a=[]);a="string"==typeof a?[a]:a;var c=a.length,d={},e=function(a){_.extend(d,a||{});0==--c&&b(d)},f=ThreeBox.preload,g={},h={html:f.html,jpg:f.image,png:f.image,gif:f.image,mp3:f.audio};_.each(h,function(a,b){g[b]=RegExp("\\."+b+"$")});_.each(a,function(a){_.each(h,function(b,c){if(a.match(g[c])){var d=a.split(/\//g).pop().replace(/\.[A-Za-z0-9]+$/,"");b(a,d,e)}})})};
+ThreeBox.preload.html=function(a,b,c){new microAjax(a,function(b){var e;(e=b.match(/^<script[^>]*type=['"]text\/javascript['"][^>]*>([\s\S]+?)<\/script>$/m))?(b=document.createElement("script"),b.type="text/javascript",b.innerHTML=e[1],document.body.appendChild(b)):(e=document.createElement("div"),e.innerHTML=b,document.body.appendChild(e));console.log("Loaded HTML ",a);c()})};
+ThreeBox.preload.image=function(a,b,c){THREE.ImageUtils.loadTexture(a,null,function(d){var e={};e[b]=d;console.log("Loaded texture ",a);c(e)})};ThreeBox.preload.audio=function(a,b,c){var d=new XMLHttpRequest;d.open("GET",a,!0);d.responseType="arraybuffer";d.onload=function(){var e={};e[b]=d.response;console.log("Loaded audio ",a);c(e)};d.send()};(function(a){for(var b in a)if(!window[b])throw"Error: ThreeRTT requires "+a[b];})({THREE:"Three.js"});window.ThreeRTT=window.ThreeRTT||{};
+ThreeRTT.World=function(){};ThreeRTT.getShader=function(a){var b=document.getElementById(a);return b&&b.innerText||a};_.loop=function(a,b){for(var c=0;c<a;++c)b(c)};ThreeRTT.getShader=function(a){var b=document.getElementById(a);return b&&(b.innerText||b.textContent)||a};ThreeRTT.isPowerOfTwo=function(a){return 0===(a&a-1)};ThreeRTT.toTarget=function(a){return ThreeRTT.Stage&&a instanceof ThreeRTT.Stage?a.target:ThreeRTT.World&&a instanceof ThreeRTT.World?a.target():a};
+ThreeRTT.toTexture=function(a,b){a=ThreeRTT.toTarget(a);return ThreeRTT.RenderTarget&&a instanceof ThreeRTT.RenderTarget?a.read():a};MicroEvent.prototype.on=function(){MicroEvent.prototype.bind.apply(this,arguments);return this};MicroEvent.prototype.emit=function(){MicroEvent.prototype.trigger.apply(this,arguments);return this};MicroEvent.mixin=function(a){for(var b=["bind","unbind","trigger","on","emit"],c=0;c<b.length;c++)a.prototype[b[c]]=MicroEvent.prototype[b[c]]};
+ThreeRTT.Stage=function(a,b){b=_.extend({history:0,camera:{},scene:null},b);b.camera.aspect=b.camera.aspect||b.width/b.height;this.camera=ThreeRTT.Camera(b.camera);this.target=new ThreeRTT.RenderTarget(a,b);this.reset();this.size(b.width,b.height)};
+ThreeRTT.Stage.prototype={options:function(){return this.target.options},reset:function(){this.scenes=[];this.passes=[]},paint:function(a,b){var c=new THREE.Scene;if(!b){var d=new ThreeRTT.FragmentMaterial(this,"generic-fragment-texture"),d=this._surface(d);c.add(d)}c.add(a);this.scenes.push(c);this.passes.push(1)},iterate:function(a,b){var c=this._surface(b),d=new THREE.Scene;d.add(c);this.scenes.push(d);this.passes.push(a);return this},fragment:function(a){this.iterate(1,a);return this},size:function(a,
+b){a=Math.floor(a);b=Math.floor(b);this.camera.aspect=a/b;this.camera.updateProjectionMatrix();this.target.size(a,b);return this},read:function(a){return this.target.read(a)},uniform:function(){return this.target.uniform()},render:function(){this.target.clear();_.each(this.passes,function(a,b){_.loop(a,function(a){this.target.render(this.scenes[b],this.camera)}.bind(this))}.bind(this));return this},clear:function(){this.target.clear();return this},destroy:function(){this.target.deallocate();this.scenes=
+[];this.passes=[];this.target=this.camera=null},_surface:function(a){var b=new THREE.Mesh(new ThreeRTT.ScreenGeometry,{});b.frustumCulled=!1;b.material=a;b.renderDepth=Infinity;return b}};ThreeRTT.Compose=function(a,b,c,d){THREE.Object3D.call(this);a=new ThreeRTT.FragmentMaterial(a,b,c,d);b=new ThreeRTT.ScreenGeometry;a=this.mesh=new THREE.Mesh(b,a);a.frustumCulled=!1;this.add(a)};ThreeRTT.Compose.prototype=new THREE.Object3D;
+ThreeRTT.Camera=function(a){if(a instanceof THREE.Camera)return a;a=_.extend({aspect:1,far:1E4,fov:85,near:0.01,ortho:!1,scale:1},a);if(a.ortho){var b=a.scale,c=a.aspect;return new THREE.OrthographicCamera(-b*c,b*c,-b,b,a.near,a.far)}return new THREE.PerspectiveCamera(a.fov,a.aspect,a.near,a.far)};
+ThreeRTT.RenderTarget=function(a,b){this.options=b=_.extend({width:256,height:256,texture:{},clear:{color:!1,depth:!1,stencil:!1},clearColor:16777215,clearAlpha:1,history:0,scene:null,camera:null,autoAdvance:!0},b);this.renderer=a;ThreeRTT.isPowerOfTwo(b.width)&&ThreeRTT.isPowerOfTwo(b.height)||b.texture.minFilter||(b.texture.minFilter=THREE.LinearFilter);this.history(this.options.history,!0);this.size(b.width,b.height);this.clear()};
+ThreeRTT.RenderTarget.prototype={read:function(a){a=Math.max(0,Math.min(this.options.history,Math.abs(a||0)));return this.virtuals[a]},write:function(){return this.targets[this.index]},history:function(a,b){void 0!==a&&(this._history=a,this.buffers=a+2,b||this.allocate());return this._history},size:function(a,b){void 0!==a&&void 0!==b&&(this.width=Math.max(1,Math.floor(a)),this.height=Math.max(1,Math.floor(b)),this.allocate());return{width:this.width,height:this.height}},deallocate:function(){this.deallocateTargets()},
+allocate:function(){this.deallocateTargets();this.allocateTargets();this.allocateVirtuals()},deallocateTargets:function(){_.each(this.targets||[],function(a){a.dispose()}.bind(this))},allocateTargets:function(){var a=this.options;n=this.buffers;var b=this.targets=[];_.loop(n,function(c){b.push(new THREE.WebGLRenderTarget(this.width,this.height,a.texture));b[c].__index=c}.bind(this))},allocateVirtuals:function(){var a=this.targets[0],b=this.virtuals||[];n=Math.max(1,this.buffers-1);n>b.length?_.loop(n-
+b.length,function(){b.push(a.clone())}.bind(this)):b=b.slice(0,n);_.each(b,function(a,b){a.width=this.width;a.height=this.height;a.__index=b}.bind(this));this.virtuals=b;this.index=-1;this.advance()},advance:function(){var a=this.targets,b=this.virtuals,c=this.index,d=this.buffers,e=b.length;this.index=c=(c+1)%d;_.loop(e,function(f){var g=b[f];f=a[(e-f+c)%d];g.__webglTexture=f.__webglTexture;g.__webglFramebuffer=f.__webglFramebuffer;g.__webglRenderbuffer=f.__webglRenderbuffer;g.__index=f.__index})},
+clear:function(){var a=this.options,b=a.clear,c=this.renderer,d=c.getClearColor().clone(),e=c.getClearAlpha();c.setClearColor(a.clearColor,a.clearAlpha);c.clearTarget(this.write(),b.color,b.depth,b.stencil);c.setClearColor(d,e)},render:function(a,b){this.emit("render",a,b);var c=this.renderer.autoClear;this.renderer.autoClear=!1;this.clear();this.renderer.render(a,b,this.write());this.renderer.autoClear=c;this.options.autoAdvance&&this.advance()},uniform:function(a){var b=this.history();if(b){var c=
+[];_.loop(b+1,function(a){c.push(this.read(-a))}.bind(this));return{type:"tv",value:c,count:b+1}}return{type:"t",value:a,texture:this.read(),count:1}}};MicroEvent.mixin(ThreeRTT.RenderTarget);ThreeRTT.ScreenGeometry=function(){return new THREE.PlaneGeometry(2,2,1,1)};
+ThreeRTT.ShaderMaterial=function(a,b,c,d,e){if(d instanceof Array){var f={};_.each(d,function(a,b){f["texture"+(i+1)]=a});d=f}else if(d instanceof THREE.Texture||d instanceof ThreeRTT.World||d instanceof THREE.WebGLRenderTarget)d={texture1:d};a instanceof Array||(a=[a]);a=_.map(a,function(a){return ThreeRTT.toTarget(a)});e=_.extend(e||{},{sampleStep:{type:"v2",value:new THREE.Vector2}});_.each(d,function(a,b){e[b]={type:"t",value:ThreeRTT.toTexture(a)}});_.each(a,function(a,b){var c="texture"+(b+
+1);a.read&&!e[c]&&(e[c]={type:"t",value:a.read()})});e.texture1&&!e.texture&&(e.texture=e.texture1);a[0].on("render",function(){var b=a[0].options.texture,c=b.wrapT,d={1E3:0,1001:1,1002:0},f=e.sampleStep.value;f.x=1/(a[0].width-(d[b.wrapS]||0));f.y=1/(a[0].height-(d[c]||0))});return new THREE.ShaderMaterial({uniforms:e,vertexShader:ThreeRTT.getShader(b||"generic-vertex"),fragmentShader:ThreeRTT.getShader(c||"generic-fragment-texture")})};
+ThreeRTT.FragmentMaterial=function(a,b,c,d){a=new ThreeRTT.ShaderMaterial(a,"generic-vertex-screen",b,c,d);a.side=THREE.DoubleSide;a.depthTest=!1;a.depthWrite=!1;a.transparent=!0;a.blending=THREE.NoBlending;return a};
+ThreeRTT.ScaleMaterial=function(a,b,c){var d={};a=ThreeRTT.toTarget(a);b=ThreeRTT.toTarget(b);d=_.extend(d,{sampleAlignment:{type:"v2",value:new THREE.Vector2},texture:{type:"t",value:a.read()}});b.on("render",function(){var e=a,g=b,h=g.height*c/e.height,k=d.sampleAlignment.value;k.x=g.width*c/e.width;k.y=h});var e=new THREE.ShaderMaterial({uniforms:d,vertexShader:ThreeRTT.getShader("rtt-vertex-downsample"),fragmentShader:ThreeRTT.getShader("generic-fragment-texture")});e.side=THREE.DoubleSide;e.depthTest=
+!1;e.depthWrite=!1;e.transparent=!0;e.blending=THREE.NoBlending;return e};ThreeRTT.DownsampleMaterial=function(a,b){return new ThreeRTT.ScaleMaterial(a,b,2)};ThreeRTT.UpsampleMaterial=function(a,b){return new ThreeRTT.ScaleMaterial(a,b,0.5)};
+ThreeRTT.RaytraceMaterial=function(a,b,c,d,e){a instanceof Array||(a=[a]);c=new ThreeRTT.ShaderMaterial(a,"raytrace-vertex-screen",c,d,e);e=_.extend(c.uniforms||{},{raytraceViewport:{type:"v2",value:new THREE.Vector2},raytracePosition:{type:"v3",value:new THREE.Vector3},raytraceMatrix:{type:"m4",value:new THREE.Matrix4}});a=ThreeRTT.toTarget(a[0]);var f=new THREE.Vector3;a.on("render",function(a){b.updateMatrixWorld();b.fov&&(a=Math.tan(b.fov*\u03c0/360),e.raytraceViewport.value.set(a*b.aspect,a));
+b.matrixWorld&&(e.raytraceMatrix.value.copy(b.matrixWorld),e.raytraceMatrix.value.setPosition(f),e.raytracePosition.value.getPositionFromMatrix(b.matrixWorld))});return c};ThreeRTT.Display=function(a,b,c){a instanceof Array||(a=[a]);this.gx=b||a.length;this.gy=c||1;this.targets=a;this.n=a.length;THREE.Object3D.call(this);this.make()};
+ThreeRTT.Display.prototype=_.extend(new THREE.Object3D,{make:function(){for(var a=this.n,b=this.gx,c=this.gy,d=this.targets,e=(b-1)/2,f=(c-1)/2,g=new THREE.PlaneGeometry(1,1,1,1),h=0,k=0;h<a&&k<c;++k)for(var l=0;h<a&&l<b;++l,++h){var m=new THREE.MeshBasicMaterial({color:16777215,map:ThreeRTT.toTexture(d[h]),fog:!1});m.side=THREE.DoubleSide;m=new THREE.Mesh(g,m);m.renderDepth=1E4+Math.random();this.add(m);1<b&&(m.position.x=-e+l);1<c&&(m.position.y=f-k)}}});
+ThreeRTT.World=function(a,b){b=b||{};b=_.extend({autoRendering:!0,autoSize:!(b.width&&b.height),order:++ThreeRTT.World.sequence,scale:1},b);b.width=!b.autoSize&&b.width||(a._opts&&a._opts.renderW||256)/b.scale;b.height=!b.autoSize&&b.height||(a._opts&&a._opts.renderH||256)/b.scale;a.on("resize",function(a,d){b.autoSize&&(a/=b.scale,d/=b.scale,this.size(a,d))}.bind(this));this._options=b;this._world=a;this._autoRendering=b.autoRendering;this._renderer=a.tRenderer();this._stage=new ThreeRTT.Stage(this._renderer,
+b);this._tScene=this._stage.scene;this._tCamera=this._stage.camera;this.queue=ThreeRTT.RenderQueue.bind(a);b.autoRendering&&this.queue.add(this);this.size(b.width,b.height,!0)};ThreeRTT.World.sequence=1E5;
+ThreeRTT.World.prototype=_.extend(new THREE.Object3D,tQuery.World.prototype,{stage:function(){return this._stage},target:function(){return this._stage.target},autoSize:function(a){void 0!==a&&(this._options.autoSize=a);return this._options.autoSize},adjust:function(a){var b=this._options.scale,c=this._options.width,d=this._options.height;this._options.autoSize&&(d=this._world._opts,c=d.renderW,d=d.renderH);c/=b;d/=b;this._opts={renderW:c,renderH:d};a||this._stage.size(c,d)},scale:function(a){return a?
+(this._options.scale=a,this.adjust(),this):this._options.scale},size:function(a,b,c){return a&&b?(this._options.width=a,this._options.height=b,this.adjust(c),this):{width:this._options.width,height:this._options.height}},options:function(){return this._stage.options()},reset:function(){this._stage.reset();return this},paint:function(a,b){this._stage.paint(a,b);return this},iterate:function(a,b,c,d){b=b instanceof THREE.Material?b:tQuery.createFragmentMaterial(this,b,c,d);this._stage.iterate(a,b);
+return this},shader:function(a,b,c,d){a=a instanceof THREE.Material?a:tQuery.createShaderMaterial(this,a,b,c,d);this._stage.fragment(a);return this},fragment:function(a,b,c){a=a instanceof THREE.Material?a:tQuery.createFragmentMaterial(this,a,b,c);this._stage.fragment(a);return this},raytrace:function(a,b,c,d){a=b instanceof THREE.Material?b:tQuery.createRaytraceMaterial(this,a,b,c,d);this._stage.fragment(a);return this},downsample:function(a){if(!a.autoSize()){var b=a.size();this._options.width=
+b.width;this._options.height=b.height}b=a.scale();this.scale(2*b);a=tQuery.createDownsampleMaterial(a,this);this._stage.fragment(a);return this},upsample:function(a){if(!a.autoSize()){var b=a.size();this._options.width=b.width;this._options.height=b.height}b=a.scale();this.scale(0.5*b);a=tQuery.createUpsampleMaterial(a,this);this._stage.fragment(a);return this},read:function(a){return this._stage.read(a)},uniform:function(){return this._stage.uniform()},render:function(){this._stage.render();return this},
+destroy:function(){this._stage.destroy();this._stage=null;this.queue.remove(this);this.trigger("destroy");return this}});tQuery.pluginsInstanceOn(ThreeRTT.World);tQuery.MicroeventMixin(ThreeRTT.World.prototype);ThreeRTT.RenderQueue=function(a){this.world=a;this.queue=[];this.callback=null;this.renderer=a.tRenderer()};
+ThreeRTT.RenderQueue.prototype={add:function(a){this.queue.push(a);this.sort();this.init()},remove:function(a){this.queue.splice(this.queue.indexOf(a),1);this.cleanup()},init:function(){var a=this.queue,b=this.world;a.length&&!this.callback&&b.loop().hookPreRender(this.callback=function(){_.each(a,function(a){a.render()})})},cleanup:function(){var a=this.world;!this.queue.length&&this.callback&&(a.loop().unhookPreRender(this.callback),this.callback=null)},sort:function(){this.queue.sort(function(a,
+b){return a.order-b.order})}};ThreeRTT.RenderQueue.bind=function(a){return a.__rttRenderQueue?a.__rttRenderQueue:a.__rttRenderQueue=new ThreeRTT.RenderQueue(a)};tQuery.World.registerInstance("rtt",function(a){return tQuery.createRTT(this,a)});tQuery.World.registerInstance("compose",function(a,b,c,d){a=tQuery.createComposeRTT(a,b,c,d);this.add(a);return a});tQuery.World.registerInstance("display",function(a,b,c){a=tQuery.createDisplayRTT(a,b,c);this.add(a);return a});
+tQuery.registerStatic("createRTT",function(a,b){return new ThreeRTT.World(a,b)});tQuery.registerStatic("createComposeRTT",function(a,b,c,d){return new ThreeRTT.Compose(a,b,c,d)});tQuery.registerStatic("createDisplayRTT",function(a,b,c){return new ThreeRTT.Display(a,b,c)});tQuery.registerStatic("createShaderMaterial",function(a,b,c,d,e){return new ThreeRTT.FragmentMaterial(a,b,c,d,e)});tQuery.registerStatic("createFragmentMaterial",function(a,b,c,d){return new ThreeRTT.FragmentMaterial(a,b,c,d)});
+tQuery.registerStatic("createRaytraceMaterial",function(a,b,c,d,e){return new ThreeRTT.RaytraceMaterial(a,b,c,d,e)});tQuery.registerStatic("createDownsampleMaterial",function(a,b){return new ThreeRTT.DownsampleMaterial(a,b)});tQuery.registerStatic("createUpsampleMaterial",function(a,b){return new ThreeRTT.UpsampleMaterial(a,b)});tQuery.registerStatic("createScaleMaterial",function(a,b,c){return new ThreeRTT.DownsampleMaterial(a,b,c)});
+(function(a){for(var b in a)if(!window[b])throw"Error: ShaderGraph requires "+a[b];})({THREE:"Three.js"});window.ShaderGraph={};ShaderGraph.getShader=function(a){var b=document.getElementById(a);return b&&(b.innerText||b.textContent)||a};
+(function(a){a.Block=function(b){b=b||new a.Node;this.node(b);this.children=[];this.parent=null;this.properties={};this.index=++a.Block.index;this.refresh()};a.Block.index=0;a.Block.prototype={node:function(a){return void 0!==a?(this._node=a,this):this._node},refresh:function(){this._node.owner(this);this._node.outlets(this.outlets())},fetch:function(a,c,d,e){},id:function(b,c,d,e){if(d.meta.inout){var f=d.node.get(d.name,a.IN).input;if(f)return f.node.owner().fetch(b,c,f,e+1)}return d.id()}};a.Block.Snippet=
+function(b){this.snippet=new a.Snippet(b);a.Block.call(this)};a.Block.Snippet.prototype=_.extend({},a.Block.prototype,{insert:function(b,c,d){a.Block.Snippet.compileCall(b,c,this.node(),this.snippet,d)},fetch:function(a,c,d,e){a.include(this,c)||this.insert(a,c,e);return this.id(a,c,d,e)},outlets:function(){return a.Block.Snippet.makeOutlets(this.snippet)}});a.Block.Material=function(b,c){this.vertex=new a.Snippet(b);this.fragment=new a.Snippet(c);a.Block.call(this)};a.Block.Material.prototype=_.extend({},
+a.Block.prototype,{compile:function(){if(0<this.node().outputs.length)throw"Can't compile material with outputs";this.node();var b=new a.Program;this.insert(b,"vertex",0);this.insert(b,"fragment",0);b.compile();return b},insert:function(b,c,d){a.Block.Snippet.compileCall(b,c,this.node(),this[c],d)},fetch:function(a,c,d,e){a.include(this,c)||this.insert(a,c,e);"fragment"==c&&(a.include(this,"vertex")||this.insert(a,"vertex",0));return this.id(a,c,d,e)},outlets:function(){var b=a.Block.Snippet.makeOutlets(this.vertex),
+c=a.Block.Snippet.makeOutlets(this.fragment);return _.union(b,c)}});a.Block.Snippet.makeOutlets=function(b){var c=[];if(b.outlets)return b.outlets;var d=b.arguments();_.each(d.parameters,function(b){b=_.extend({},b);b.meta={required:!0};b.hint=b.name.replace(/(In|Out)$/,"");b.category="parameter";if(b.inout==a.INOUT){b.meta.inout=!0;var d=_.extend({},b);d.inout=a.IN;c.push(d);b.inout=a.OUT}c.push(b)});_.each(d.uniforms,function(b){b.meta={};b.hint=b.name.replace(/(In|Out)$/,"");b.category="uniform";
+b.inout=a.IN;c.push(b)});return b.outlets=c};a.Block.Snippet.compileCall=function(b,c,d,e,f){var g=e.arguments(),h=[];_.each(g.parameters,function(e){var g=d.get(e.name,e.inout==a.INOUT?a.IN:e.inout);if(e.inout==a.IN||e.inout==a.INOUT)if(g.input)g=g.input.node.owner().fetch(b,c,g.input,f+1),b.variable(c,g,e),h.push(g);else throw console.log("Outlet",e,input),["Missing connection on outlet for "+e.name];else e.inout==a.OUT&&(g=g.id(),b.variable(c,g,e),h.push(g))});var k=[];_.each(g.uniforms,function(a){var e=
+d.get(a.name);e.input?(e=e.input.node.owner().fetch(b,c,e.input,f+1),b.variable(c,e,a),h.push(e),k.push(a.name)):b.external("uniform",a)});_.each(g.attributes,function(a){b.external("attribute",a)});_.each(g.varyings,function(a){b.external("varying",a)});g=["_sg",c,e.name,d.owner().index].join("_");e=e.compile(g,k,!0);b.add(c,g,h,e,f)}})(ShaderGraph);
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+c=this.stack[0];c.start=c.start.concat(a.start);c.end=c.end.concat(a.end);this.stack.unshift({start:[],end:[]});return this},combine:function(){if(2>=this.stack.length)throw"Popping factory stack too far.";this.next();this.stack.shift();var a=this.stack.shift(),c=this.stack[0];a.start.length&&(_.each(a.start,function(d){d?_.each(c.end,function(a){a.connect(d,!0)}):a.end=a.end.concat(c.end)}),c.end=a.end);return this},end:function(){var b=this.graph;this.graph=new a.Graph;this.stack=[];this.group();
+b&&(b.compile=function(){return b.tail().owner().compile()});return b}}})(ShaderGraph);
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+c);this.externals[c.name]=c},variable:function(a,c,d){d=_.extend({},d,{name:c});this.variables[a][c]=d},add:function(a,c,d,e,f){var g=this.calls[a][c];g?g.priority=Math.min(g.priority,f):this.calls[a][c]={name:c,args:d,code:e,priority:f}},compile:function(){_.each(this.externals,function(a){"uniform"==a.category&&(this.uniforms[a.name]={type:a.type,value:a.value});"attribute"==a.category&&(this.attributes[a.name]={type:a.type,value:[]})}.bind(this));_.each(["vertex","fragment"],function(b){var c=
+[];_.each(this.externals,function(a){"attribute"==a.category&&"fragment"==b||c.push([a.category,a.signature,";"].join(" "))}.bind(this));var c=c.join("\n"),d=_.toArray(this.calls[b]),e=[c],f=["void main() {"];_.each(this.variables[b],function(b){f.push([a.Program.types[b.type],b.name,";"].join(" "))});d.sort(function(a,b){return b.priority-a.priority});_.each(d,function(a){e.push(a.code);f.push([a.name,"(",a.args.join(","),");"].join(""))});f.push("}");this[b+"Shader"]=[e.join("\n"),f.join("\n")].join("\n")}.bind(this));
+this.compiled=!0},material:function(){if(!this.compiled)throw"Fetching material from uncompiled program.";return new THREE.ShaderMaterial({uniforms:this.uniforms,vertexShader:this.vertex,fragmentShader:this.fragment})}}})(ShaderGraph);
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+samplerCube:0};a.Snippet.prototype={compile:function(a,c,d){var e=this.signature.slice(),f=[];c=c||[];_.each(this.uniforms,function(a){0<=c.indexOf(a.name)?e.push(a.signature):d||f.push(["uniform",a.signature].join(" "))});!d&&_.each(this.attributes,function(a){f.push(["attribute",a.signature].join(" "))});!d&&_.each(this.varyings,function(a){f.push(["varying",a.signature].join(" "))});a=this.body.replace(/\s*void\s+([A-Za-z0-9]+)\s*\([^\)]*\)/g,["void",a+"(",e.join(", "),")"].join(" "));f.push(a);
+return f.join(";\n")},arguments:function(){return{uniforms:this.uniforms,varyings:this.varyings,attributes:this.attributes,parameters:this.parameters}},type:function(b,c){b=(a.Snippet.types[b]||"f")+(c?"v":"");return"fv"==b?"fv1":b},parseAttribute:function(a){var c=a[1];this.attributes.push({name:a[3],type:this.type(a[2],a[4]),signature:c})},parseUniform:function(b){var c=b[1],d=b[2];this.uniforms.push({name:b[3],type:this.type(d,b[4]),value:a.Snippet.defaults[d]||0,signature:c})},parseVarying:function(a){var c=
+a[1];this.varyings.push({name:a[3],type:this.type(a[2],a[4]),signature:c})},parseSignature:function(b){this.name=b[1];var c=b[2].replace(/^\s*$/g,"");0==c.length?this.signature=[]:(arguments=this.signature=c.split(","),_.each(arguments,function(b){b=/((?:(in|out|inout)\s+)?([A-Za-z0-9]+)\s+([A-Za-z0-9_]+)\s*(?:\[([^\]]+)\])?)(?:$|(?=;))/.exec(b);var c=b[1];this.parameters.push({inout:{"in":a.IN,out:a.OUT,inout:a.INOUT}[b[2]||"in"],name:b[4],type:this.type(b[3],b[5]),signature:c})}.bind(this)))},parseCode:function(a){function c(a,
+b){if(!a.global)throw"Can't findAll non-global regexp";for(var c,d=[];c=a.exec(b);)d.push(c);return d}a=a.replace(/\r\n?/g,"\n").replace(/\/\/[^\n]*\n/g," ").replace(/\/\*(.|\n)*?\*\//g," ");var d=c(/(?:^|;)\s*attribute\s+(([A-Za-z0-9]+)\s+([A-Za-z0-9_]+)\s*(?:\[([^\]]+)\])?)(?:$|(?=;))/g,a),e=c(/(?:^|;)\s*uniform\s+(([A-Za-z0-9]+)\s+([A-Za-z0-9_]+)\s*(?:\[([^\]]+)\])?)(?:$|(?=;))/g,a),f=c(/(?:^|;)\s*varying\s+(([A-Za-z0-9]+)\s+([[A-Za-z0-9_]+)\s*(?:\[([^\]]+)\])?)(?:$|(?=;))/g,a),g=c(/(?:^|;)\s*void\s+([A-Za-z0-9]+)\s*\(([^\)]*)\)\s*{/g,
+a);if(!g[0])throw"Could not parse shader snippet. Must contain a void-returning function with in/outs: "+a;var h=a;_.each({parseAttribute:d,parseUniform:e,parseVarying:f},function(a,b){_.each(a,function(a){this[b](a);h=h.replace(a[0],"")}.bind(this))}.bind(this));h=h.replace(/^\s*;/,"");this.parseSignature(g[0]);this.body=h}}})(ShaderGraph);
+(function(a){a.Graph=function(a,c){this.parent=c||null;this.nodes=[];a&&this.add(a)};a.Graph.prototype={iterate:function(a){_.each(this.nodes,function(c){a(c,c._owner)})},exposed:function(){var a=[];this.iterate(function(c){_.each(c.outlets(),function(c){c.exposed&&a.push(c)})});return a},inputs:function(){var a=[];this.iterate(function(c){_.each(c.inputs,function(c){null==c.input&&a.push(c)})});return a},outputs:function(){var a=[];this.iterate(function(c){_.each(c.outputs,function(c){0==c.output.length&&
+a.push(c)})});return a},tail:function(){return this.nodes[this.nodes.length-1]},add:function(a){if(a.constructor==Array)return _.each(a,function(a){this.add(a)}.bind(this));if(a.graph)throw"Adding node to two graphs at once";a.link(this);this.nodes.push(a)},remove:function(a,c){var d=this;if(a.constructor==Array)return _.each(a,function(a){d.remove(a)});if(a.graph!=this)throw"Removing node from wrong graph.";c||a.disconnect();this.nodes.splice(this.nodes.indexOf(a),1)}};a.IN=0;a.OUT=1;a.INOUT=2})(ShaderGraph);
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+b){var c={};_.each(b,function(a){c[[a.name,a.inout,a.type].join("-")]=!0}.bind(this));_.each(this._outlets,function(a){c[[a.name,a.inout,a.type].join("-")]||this.remove(a)}.bind(this));_.each(b,function(b){var c=this.get(b.name,b.inout);c?c.morph(b):(b=new a.Outlet(b),this.add(b))}.bind(this));return this}return this._outlets},add:function(b){var c=this.key(b);outlets=this._outlets;_in=this.inputs;_out=this.outputs;if(b.node)throw"Adding outlet to two nodes at once.";if(outlets[c])throw"Adding two identical outlets to same node.";
+b.link(this);outlets[c]=b;(b.inout==a.IN?_in:_out).push(b);return this},remove:function(b){var c=this._outlets,d=this.key(b),e=b.inout==a.IN?this.inputs:this.outputs;if(b.node!=this)throw"Removing outlet from wrong node.";b.disconnect();b.link(null);delete c[d];e.splice(e.indexOf(b),1);return this},connect:function(a,c,d){var e={},f={};_.each(a.inputs,function(a){if(d||!a.input){var b=a.type,c=[b,a.hint].join("-");f[c]||(f[c]=a);e[b]=e[b]||[];e[b].push(a)}});_.each(this.outputs,function(a){if(!c||
+!a.output.length){var b=a.type,d=[b,a.hint].join("-");f[d]?(f[d].connect(a),delete f[d],e[b].splice(e[b].indexOf(a),1)):e[b]&&e[b].length&&e[b].shift().connect(a)}});return this},disconnect:function(a){_.each(this.inputs,function(a){a.disconnect()});_.each(this.outputs,function(a){a.disconnect()});return this}}})(ShaderGraph);
+(function(a){a.Outlets=0;a.Outlet=function(b,c,d,e,f,g,h){if("object"==typeof b)return new a.Outlet(b.inout,b.name,b.hint,b.type,b.category,b.exposed,b.meta);this.node=null;this.inout=b;this.name=c;this.hint=d||c;this.type=e;this.category=f;this.exposed=!!g;this.meta=h||{};this.index=++a.Outlets;this.input=this.key=null;this.output=[]};a.Outlet.prototype={id:function(){return["_sg",this.name,this.index].join("_")},expose:function(a){this.exposed=a},morph:function(a){this.inout=a.inout;this.name=a.name;
+this.type=a.type;this.category=a.category;this.exposed=a.exposed;this.meta=a.meta||{}},connect:function(b){if(this.inout==a.IN&&b.inout==a.OUT)return b.connect(this);if(this.inout!=a.OUT||b.inout!=a.IN)throw console.log(this,b),"Can't connect out/out or in/in outlets.";b.input!=this&&(b.disconnect(),b.input=this,this.output.push(b))},disconnect:function(b){if(this.inout==a.IN)this.input&&this.input.disconnect(this);else if(b){var c=this.output.indexOf(b);0<=c&&(this.output.splice(c,1),b.input=null)}else _.each(this.output,
+function(a){a.input=null}),this.output=[]},link:function(a){this.node=a}}})(ShaderGraph);\u03c0=Math.PI;\u03c4=2*\u03c0;(function(a){for(var b in a)if(!window[b])throw"Error: MathBox requires "+a[b];})({THREE:"Three.js",tQuery:"tQuery.js (bundle)",ThreeBox:"ThreeBox.js",ThreeRTT:"ThreeRTT.js"});window.MathBox={};window.mathBox=function(a,b){!a||a instanceof Node||(b=a,a=null);return tQuery.createWorld(b).mathBox(a,b)};
+MathBox.getShader=function(a){var b=document.getElementById(a);return b&&b.textContent||a};Math.sign=function(a){return 0<a?1:0>a?-1:0};MathBox.Attributes=function(){};
+MathBox.Attributes.prototype={get:function(a){return void 0===a?this.__attributes||{}:this.__attributes?this.__attributes[a]:void 0},set:function(a,b){function c(a,b){try{b=h(a,b),d[a]=b,f[a]=b}catch(c){throw"Exception setting '"+a+"' to '"+b+"': "+c;}}this.__attributes||(this.__attributes={});this.__validators||(this.__validators={});var d={},e=this.__validators,f=this.__attributes,g=this,h=function(a,b){if(void 0===e[a]){var c="validate"+a.charAt(0).toUpperCase()+a.slice(1);e[a]=g[c]||!1}return e[a]?
+e[a].call(this,b):b}.bind(this);void 0!==a&&null!==a&&(a.constructor==String?c(a,b):_.each(a,function(a,b){c(b,a)}),this.emit("change",d))}};MicroEvent.mixin(MathBox.Attributes);MathBox.Attributes.mixin=function(a){_.each(["get","set","on","emit"],function(b){a.prototype[b]=MathBox.Attributes.prototype[b]})};MathBox.Animator=function(){this.active=[]};MathBox.Animator.now=1;
+MathBox.Animator.prototype={finalState:function(a){var b=_.extend({},a.get());a.__queue&&_.each(a.__queue,function(a,d){_.each(a,function(a){a.to&&(b[d]=a.to)})});return b},attach:function(a){if(!a.__queue){if(!a.__attributes)throw"Cannot attach to object without attributes";var b=this,c=a.set;a.set=function(a,e,f){if(!f){f=a;if(void 0===a||null===a)return;a.constructor==String&&(f={},f[a]=e);b.stop(this,f)}c.call(this,a,e)};a.__queue={};a.__animations=0}},hurry:function(a,b,c){c=c||4;_.each(b||a.__queue,
+function(b,e){_.each(a.__queue[e],function(a){a.hurry(c)})}.bind(this))},stop:function(a,b){_.each(b||a.__queue,function(b,d){for(;a.__queue[d];)this.dequeue(a,d,!0)}.bind(this))},animate:function(a,b,c){c=_.extend({duration:300},c||{});this.attach(a);_.each(b,function(b,e){var f=a.__queue[e]=a.__queue[e]||[];if(c.delay){var g=new MathBox.Animator.Delay(a,e,c.delay);f.push(g);0==a.__animations++&&this.active.push(a)}a.__validators[e]&&(b=a.__validators[e].call(a,b));g=new MathBox.Animator.Animation(a,
+e,b,c.duration,c.callback,c.ease);f.push(g);c.hold&&(g=new MathBox.Animator.Delay(a,e,c.hold),f.push(g),0==a.__animations++&&this.active.push(a));0==a.__animations++&&this.active.push(a)}.bind(this))},dequeue:function(a,b,c){var d=a.__queue[b];if(d){var e=d.shift();0==d.length&&delete a.__queue[b];c&&e.skip();0==--a.__animations&&this.active.splice(this.active.indexOf(a),1)}},update:function(a){MathBox.Animator.now+=a;a=this.active.slice();_.each(a,function(a){var c=0;_.each(a.__queue,function e(f,
+g){var h=f[0];value=h.apply(c||0);h.done()&&(c=h.extra(),this.dequeue(a,g),f[0]&&e.call(this,f,g))}.bind(this))}.bind(this))}};MathBox.Animator.Delay=function(a,b,c){this.object=a;this.key=b;this.duration=c;this.fraction=this.start=0};
+MathBox.Animator.Delay.prototype={init:function(a){this.start=MathBox.Animator.now-(a||0)},apply:function(a){this.start||this.init(a);this.fraction=0<this.duration?Math.min(1,(MathBox.Animator.now-this.start)/this.duration):1},skip:function(){this.duration=0},hurry:function(a){this.duration=this.duration*this.fraction+this.duration*(1-this.fraction)/a},extra:function(){return MathBox.Animator.now-this.start-this.duration},done:function(){return 1==this.fraction}};
+MathBox.Animator.Animation=function(a,b,c,d,e,f){this.object=a;this.key=b;this.from=null;this.to=c;this.duration=d;this.fraction=this.start=0;this.callback=e;this.ease=f};
+MathBox.Animator.Animation.prototype={init:function(a){this.start=MathBox.Animator.now-(a||0);null===this.from&&(this.from=this.object.get(this.key));void 0===this.from&&(this.from=0)},apply:function(a){function b(a,b){return a+(b-a)*k}function c(a,e){void 0===e&&(e=a);void 0===a&&(a=e);if(e===a)return a;if(typeof a!=typeof e)throw console.log(d,f),"Data type mismatch between from/to values in animator. "+f+": "+a+" ("+a.constructor+"), "+e+"("+e.constructor+")";var g;switch(typeof e){default:case "string":throw"Unimplemented value type in animator. ("+
+typeof e+")";case "function":return function(){return c(a.apply(this,arguments),e.apply(this,arguments))};case "boolean":return 0.5<h?e:a;case "number":return b(a,e);case "object":if(!a)return e;if(!e)return a;if(e.constructor==Array)return g=[],_.loop(a.length,function(b){g[b]=c(a[b],e[b])}),g;if(e.constructor==THREE.Matrix4){g=new THREE.Matrix4;for(var k=0;16>k;++k)g.elements[k]=b(a.elements[k],e.elements[k]);return g}return e.constructor==THREE.Vector3?(g=new THREE.Vector3,g.x=b(a.x,e.x),g.y=b(a.y,
+e.y),g.z=b(a.z,e.z),g):e.constructor==THREE.Color?(g=new THREE.Color,g.r=b(a.r,e.r),g.g=b(a.g,e.g),g.b=b(a.b,e.b),g):0.5<h?e:a}}this.start||this.init(a);var d=this.object;a=this.from;var e=this.to,f=this.key,g=this.ease,h;this.fraction=h=0<this.duration?Math.min(1,(MathBox.Animator.now-this.start)/(this.duration||1)):1;var k;switch(g){case "in":k=1-(1-h)*(1-h);break;case "out":k=h*h;break;case "linear":k=h;break;default:k=0.5-0.5*Math.cos(h*\u03c0)}a=c(a,e);this.object.set(this.key,a,!0)},hurry:function(a){this.duration=
+this.duration*this.fraction+this.duration*(1-this.fraction)/a},skip:function(){this.duration=0;this.fraction=1;this.done()},extra:function(){return MathBox.Animator.now-this.start-this.duration},done:function(){return 1==this.fraction?(this.object.set(this.key,this.to,!0),this.callback&&this.callback(),this.callback=null,!0):!1}};
+MathBox.Stage=function(a,b,c){this.options=a=a||{};this._world=b;this.overlay=c;b&&b.on("resize",function(a,b){this.overlay.size(a,b);this.width=a;this.height=b}.bind(this));this.primitives=[];this.materials=new MathBox.Materials(this);this.animator=new MathBox.Animator;this._transition=0;this._speed=1;b&&(this.cameraProxy=new MathBox.CameraProxy(b,this.options));this.viewport({});this.loadPrimitives();void 0!==a.transition&&this.transition(a.transition);void 0!==a.speed&&this.speed(a.speed)};
+MathBox.Stage.prototype=new THREE.Object3D;MathBox.Attributes.mixin(MathBox.Stage);MicroEvent.mixin(MathBox.Stage);
+MathBox.Stage.prototype=_.extend(MathBox.Stage.prototype,{update:function(){var a=this._viewport,b=this._world.tCamera(),c=this.width,d=this.height,e=this._speed;this.cameraProxy.update();var f=+new Date;this.last||(this.last=f-1E3/60);this.animator.update(e*(f-this.last));this.last=f;a.update(this);_.each(this.primitives,function(e){e.adjust(a,b,c,d,this);e=e.renderables();_.each(e,function(e){e.isVisible()&&e.adjust(a,b,c,d,this)}.bind(this))}.bind(this));this.overlay&&this.overlay.update(b)},add:function(a,
+b){if(a instanceof THREE.Object3D)return a instanceof MathBox.Sprite?this.overlay.add(a):THREE.Object3D.prototype.add.call(this,a);this._add(a);b=this.animateOptions(b);var c=a.style.get("opacity");b&&0<c&&(a.style.set("opacity",0),this.animator.animate(a.style,{opacity:c},b));return this},remove:function(a,b){if(a instanceof THREE.Object3D)return a instanceof MathBox.Sprite?this.overlay.remove(a):THREE.Object3D.prototype.remove.call(this,a);if("string"==typeof a)return _.each(this.select(a),function(a){this.remove(a,
+b)}.bind(this));if(!a.singleton){var c=function(){this._remove(a)}.bind(this);b=this.animateOptions(b);var d=a.style.get("opacity");b&&0<d?(b.callback=c,this.animator.animate(a.style,{opacity:0},b),a.removed=!0):c();return this}},_add:function(a){var b=this.materials;-1==this.primitives.indexOf(a)&&(this.primitives.push(a),a.make(),a=a.renderables(),_.each(a,function(a){a.make(b);a.object&&this.add(a.object)}.bind(this)))},_remove:function(a){if(-1!=this.primitives.indexOf(a)){this.primitives.splice(this.primitives.indexOf(a),
+1);var b=a.renderables();_.each(b,function(a){a.object&&this.remove(a.object);a.destroy()}.bind(this));a.destroy()}},select:function(a,b){var c=[];if("object"==typeof a)return a.constructor==Array?a:[a];var d=function(a){var c=[];if("*"==a)return c=this.primitives.slice(),c.push(this.viewport()),c.push(this.cameraProxy),c;if(a==+a)return _.each(this.primitives,function(d){!b&&d.removed||d.get("sequence")!=a||c.push(d)}),c;var d=a.match(/^\s*#([a-zA-Z0-9_-]+)|([a-zA-Z0-9_-]+)?\s*$/);if(!d)return[];
+var h=d[2],k=d[1];if(k)_.each(this.primitives,function(a){!b&&a.removed||a.get("id")!=k||c.push(a)});else{if("camera"==h)return this.cameraProxy&&[this.cameraProxy]||[];if("viewport"==h)return[this.viewport()];h&&_.each(this.primitives,function(a){!b&&a.removed||a.type()!=h||c.push(a)})}return c}.bind(this),c=[];a=(""+a).split(",");_.each(a,function(a){c=c.concat(d(a))});return c},set:function(a,b){b=this.extractStyle(b);_.each(this.select(a),function(a){a.set(b);b.style&&a.style.set(b.style)});return this},
+get:function(a){var b=this.animator;a=this.select(a);if(1>a.length)return{};var c=a[0];a=b.finalState(c);c.style&&(b=b.finalState(c.style),a.style=b);return a},transition:function(a){return void 0!==a?(this._transition=a,this):this._transition},speed:function(a){return void 0!==a?(this._speed=a,this):this._speed},animateOptions:function(a,b){var c=this._transition;!0===a&&(a={});if(c||b||a&&(a.delay||a.duration||a.hold))a=_.extend({delay:0,duration:c||0,hold:0},a||{});if(a&&(a.delay||a.duration||
+a.hold))return a},animate:function(a,b,c){var d=this.animator;b=this.extractStyle(b);c=this.animateOptions(c,!0);b.style&&(_.each(this.select(a),function(a){c?d.animate(a.style,b.style,c):a.style.set(b.style)}),b=_.extend({},b),delete b.style);_.each(this.select(a),function(a){c?d.animate(a,b,c):a.set(b)});return this},clone:function(a,b,c){_.each(this.select(a),function(a){var e=this.get(a);delete e.sequence;var f=_.extend({},b),g=[];_.each(b,function(a,c){if("id"==c||"boolean"==typeof a||null===
+a)e[c]=b[c],g.push(c)});_.each(g,function(a){delete f[a]});e.id==a.get("id")&&(e.id=(e.id||"")+"-clone");a=this.spawn(a.type(),e,{duration:0});this.animate(a,f,c)}.bind(this));return this},hurry:function(a,b,c){var d=this.animator;_.each(this.select(a,!0),function(a){d.hurry(a,b,c);a.style&&d.hurry(a.style,b,c)});return this},halt:function(a,b){var c=this.animator;_.each(this.select(a,!0),function(a){c.stop(a,b);a.style&&c.stop(a.style,b)});return this},viewport:function(a){if(void 0!==a){if(!this._viewport||
+a.type&&a.type!=this.options.viewport.type){this._viewport&&(a=_.extend({},this._viewport.get(),a));this._viewport=MathBox.Viewport.make(a);a=this.primitives.slice();var b=this;_.each(a,function(a){b._remove(a);b._add(a)})}else this._viewport.set(a);this.options.viewport=this._viewport.get();return this}return this._viewport},camera:function(a){_.each(this.select("camera"),function(b){b.set(a)});return this},start:function(){this._world&&this._world.start();return this},stop:function(){this._world&&
+this._world.stop();return this},world:function(){return this._world},extractStyle:function(a){var b=MathBox.Style.prototype.defaults(),c=null;_.each(a,function(d,e){void 0!==b[e]&&(delete a[e],c=c||{},c[e]=d)});c&&(a.style=_.extend(a.style||{},c));return a},spawn:function(a,b,c){return MathBox.Primitive.types[a]?(this[a](b,c),this.primitives[this.primitives.length-1]):this},loadPrimitives:function(){_.each(MathBox.Primitive.types,function(a,b){this[b]=function(b,d){a.validateArgs&&(b=a.validateArgs(b));
+var e=new a(this.extractStyle(b));this.add(e,d);return this}}.bind(this))}});MathBox.Materials=function(a){this.stage=a;this.cache={}};
+MathBox.Materials.prototype={hash:function(a){var b=Object.keys(a),c="";b.sort();_.each(b,function(b){c+=b+"/";c+=a[b]+"/"});return c},clone:function(a){var b=new THREE.ShaderMaterial({vertexShader:a.vertexShader,fragmentShader:a.fragmentShader});b.attributes=a.attributes?{}:null;b.uniforms={};b.wireframe=a.wireframe;b.applyUniforms=a.applyUniforms;b.applyAttributes=a.applyAttributes;_.each(a.uniforms,function(a,d){b.uniforms[d]={type:a.type,value:a.value&&a.value.clone?a.value.clone():a.value}});
+_.each(a.attributes,function(a,d){b.attributes[d]={type:a.type,value:a.value}});return b},generic:function(a){a=a||{};if(!a.shaders||!Object.keys(a.shaders).length){var b=this.hash(a);if(this.cache[b])return this.clone(this.cache[b])}var c=this.factory(),d=a.shaders||{};d.position?d.position(c,this):(this.position(c,a),a.absolute||(a.shaded&&a.smooth?(c.group(),this.viewport(c),c.next(),this.viewport(c),c.next(),this.viewport(c),c.combine()):this.viewport(c)));a=this.finalize(c,a);b&&(this.cache[b]=
+a);return a},position:function(a,b){b=b||{};a.snippet(b.shaded&&b.smooth?"getPositionDUDV":"getPosition");b.absolute||(b.shaded&&b.smooth?a.group().snippet("mathTransform").next().snippet("mathTransform").next().snippet("mathTransform").combine():a.snippet("mathTransform"));return a},factory:function(){return new ShaderGraph.Factory},finalize:function(a,b){b=b||{};var c=b.shaders||{};b.shaded?b.smooth?a.snippet("projectToViewDUDV"):a.snippet("projectToViewNormal"):a.snippet("projectToView");c.material?
+c.material(a,this):a.material("vertexOutput",{points:"fragmentSolidPoint",mesh:b.shaded?"fragmentShaded":"fragmentSolid"}[b.type]||"fragmentSolid");c=a.end().compile();c=new THREE.ShaderMaterial({uniforms:c.uniforms,attributes:c.attributes,vertexShader:c.vertexShader,fragmentShader:c.fragmentShader});b.wireframe&&(c.wireframe=!0);var d=this.apply.bind(this);c.applyUniforms=function(a){d(this,a,"uniforms")};c.applyAttributes=function(a){d(this,a,"attributes")};return c},apply:function(a,b,c){var d=
+a[c];_.each(b,function(a,b){var c=d[b];c&&(a instanceof THREE.Color&&(a.x=a.r,a.y=a.g,a.z=a.b),c.value=a,c.needsUpdate=!0)});if("uniforms"==c){c=a.uniforms;if(b.map&&(c.texture&&(c.texture.value=b.map),c.offsetRepeat)){var e=b.map.offset,f=b.map.repeat;c.offsetRepeat.value.set(e.x,e.y,f.x,f.y)}void 0!==b.lineWidth&&(a.wireframeLinewidth=a.linewidth=b.lineWidth);void 0!==b.opacity&&(a.transparent=1>b.opacity)}},viewport:function(a,b){this.stage.viewport().shader(a,b)}};
+MathBox.Ticks=function(a,b,c,d,e,f,g){var h=(b-a)/(c||10);d=d||1;e=e||10;var k=d*((g||0)+Math.pow(e,Math.floor(Math.log(h/d)/Math.log(e))));c=_.map(0==e%2?[e/2,1,0.5]:[1],function(a){return k*a});var l=_.reduce(c,function(a,b){return Math.abs(b-h)<Math.abs(a-h)?b:a},k);f=+!f;a=(Math.ceil(a/l)+f)*l;b=(Math.floor(b/l)-f)*l;c=Math.ceil((b-a)/l)+1;var m=[];_.loop(c,function(b){m.push(a+b*l)});return m};MathBox.TicksLog=function(a,b,c,d,e,f){};
+tQuery.World.registerInstance("mathBox",function(a,b){a=a||document.body;this.threeBox(a,b);var c=new MathBox.Overlay;a.appendChild(c.domElement);c.domElement.style.position="absolute";c.domElement.style.left=0;c.domElement.style.top=0;c.domElement.style.right=0;c.domElement.style.bottom=0;var d=new MathBox.Stage(b,this,c),e=function(){d.update()};this.tScene().add(d);this._renderer.setClearColorHex(16777215,1);d.unhook=function(){this.loop().unhookPreRender(e)};this.loop().hookPreRender(e);b.cameraControls||
+(c=this.tCamera(),c.position.x=0,c.position.y=0,c.position.z=b.orbit,c.lookAt(new THREE.Vector3(0,0,0)));return d});MathBox.Director=function(a,b){this._stage=a;this.script=b||[];this.rollback={};this.clocks={};this.time=this.lastCommand=this.step=0;this.lastTime=+new Date};
+MathBox.Director.prototype={clock:function(a,b){if(a>this.step)return 0;var c=+new Date;this.time+=(c-this.lastTime)*this.stage().speed();this.lastTime=c;if(b||!this.clocks[a])this.clocks[a]=this.time;return 0.001*(this.time-this.clocks[a])},invert:function(a){var b=this._stage,c=[],d,e=a[0],f=a[1],g=a[2]||{},h=a[3];"remove"==e&&(h=g);h={delay:h&&void 0!==h.hold?h.hold/4:0,duration:h&&void 0!==h.duration?h.duration/4:0,hold:h&&void 0!==h.delay?h.delay/4:0};switch(e){case "add":d=[0];case "clone":d=
+d||b.select(f);_.each(d,function(a,b){c.push(["remove",g.sequence||MathBox.Primitive.sequence+1+b,h])});break;case "remove":d=b.select(f);_.each(d,function(a){c.push(["add",a.type(),b.get(a),h])});break;case "animate":case "set":d=b.select(f),_.each(d,function(a){var d=b.get(a),f={};for(i in g)f[i]=d.style&&void 0!==d.style[i]?d.style[i]:d[i];c.push([e,a.singleton||a.get("sequence"),f,h])})}return c},invertDelay:function(a){function b(a){var b=a[2]||{},c=["opacity"];if("animate"==a[0])for(d in c=
+[],b)if("style"==d)for(j in b.style)c.push(j);else c.push(d);return c}var c=[],d,e={};a.forEach(function(a){var c=a[0],d=a[1]||"",f=a[2]||{},g=a[3]||{};if("set"==c)return null;"add"==c&&(d=f.sequence);"remove"==c&&(g=f);b(a).forEach(function(a){a=[d,a].join(".");e[a]||(e[a]=[]);g=g||{};e[a].push((g.delay||0)+(g.duration||0)+(g.hold||0))})});var f=0;for(d in e)var g=e[d]=e[d].reduce(function(a,b){return a+b}),f=Math.max(f,g);a.forEach(function(a){var d=a[0],g=a[1]||"",m=a[2]||{},q=a[3]||{},u;if("set"==
+d)return c.push(a);"add"==d&&(u=g,g=m.sequence);"remove"==d&&(q=m);b(a).forEach(function(a){var b=[g,a].join("."),h=q.delay||0,v=q.duration||0,w=q.hold||0;void 0!==e[b]&&(h+=f-e[b],delete e[b]);q={delay:h,duration:v,hold:w};"add"==d&&c.push([d,u,m,q]);"remove"==d?c.push([d,g,q]):(b={},b[a]=m.style&&void 0!==m.style[a]?m.style[a]:m[a],c.push([d,g,b,q]))})});return c},apply:function(a,b,c,d){var e=this._stage;_.each(a,function(a){var g=a[0]||"",h=a[1]||"",k=a[2]||{},l=a[3]||{};"remove"==g&&(l=k);b&&
+(a=this.invert(a),a=[0,0].concat(a),Array.prototype.splice.apply(b,a));d&&l&&(l=_.extend({},l),l.delay/=2,l.duration/=2,l.hold/=2);c&&(l={delay:0,duration:0,hold:0},"animate"==g&&(g="set"));switch(g){case "clone":e.clone(h,k,l);break;case "add":e.spawn(h,k,l);break;case "remove":_.each(e.select(h),function(a){e.remove(a,l)});break;case "set":var g=e.select(h),m=k.constructor==Array;_.each(g,function(a,b){e.set(a,m?k[b]:k)});break;case "animate":g=e.select(h),m=k.constructor==Array,_.each(g,function(a,
+b){e.animate(a,m?k[b]:k,l)})}}.bind(this));return this},insert:function(a){a[0].constructor!=Array&&(a=[a]);this.script.splice(this.step,0,a);this.forward();return this},is:function(a){if(!this.script.length)return!1;for(;0>a;)a+=this.script.length+1;for(;a>=this.script.length+1;)a-=this.script.length+1;return a==this.step},isFirst:function(){return this.is(0)},isLast:function(){return this.is(-1)},go:function(a,b){if(this.script.length){for(;0>a;)a+=this.script.length+1;for(;a>=this.script.length+
+1;)a-=this.script.length+1;for(;a>this.step;)this.forward(b);for(;a<this.step;)this.back(b)}},skipping:function(){var a=+new Date,b=!1;500>a-this.lastCommand&&(b=!0);this.stage().hurry("*");this.lastCommand=a;return b},forward:function(a,b){if(!(this.step>=this.script.length)){var c=this.step,d=this.script[c],e=this.rollback[c]=[];this.step++;var f=function(){this.apply(d,e,a,a?!1:this.skipping());this.rollback[c]=this.invertDelay(e);this.clock(c+1,!0);this.emit("go",c+1,1)}.bind(this);b?setTimeout(f,
++b):f();return this}},back:function(a,b){if(!(0>=this.step)){this.step--;var c=this.step,d=this.rollback[c],e=function(){this.apply(d,null,a||this.skipping());delete this.rollback[c];this.emit("go",c,-1)}.bind(this);b?setTimeout(e,+b):e();return this}},stage:function(){return this._stage}};_.each(MathBox.Stage.prototype,function(a,b){MathBox.Director.prototype[b]||(MathBox.Director.prototype[b]=function(){var b=this.stage[a].apply(this.stage,arguments);return b===this.stage?this:b})});MicroEvent.mixin(MathBox.Director);
+MathBox.Style=function(a){var b=this.defaults();a=_.extend(b,a||{});this.set(a)};
+MathBox.Style.prototype={defaults:function(){return{color:new THREE.Color(3178736),opacity:1,lineWidth:2,pointSize:5,mathScale:new THREE.Vector3(1,1,1),mathRotation:new THREE.Vector3,mathPosition:new THREE.Vector3,worldScale:new THREE.Vector3(1,1,1),worldRotation:new THREE.Vector3,worldPosition:new THREE.Vector3,zIndex:0,map:null,mapColor:0,mapOpacity:0}},validateColor:function(a){if(a.constructor==Array){a=a.concat([0,0,0]);var b=new THREE.Color;return b.setRGB.apply(b,a)}return a.constructor==Number?
+new THREE.Color(a):a.constructor!=THREE.Color?this.get("color"):a},validateMathScale:function(a){if(a.constructor==Array){a=a.concat([1,1,1]);var b=new THREE.Vector3;return b.set.apply(b,a)}return a.constructor!=THREE.Vector3?this.get("mathScale"):a},validateMathRotation:function(a){if(a.constructor==Array){a=a.concat([0,0,0]);var b=new THREE.Vector3;return b.set.apply(b,a)}return a.constructor!=THREE.Vector3?this.get("mathRotation"):a},validateMathPosition:function(a){if(a.constructor==Array){a=
+a.concat([0,0,0]);var b=new THREE.Vector3;return b.set.apply(b,a)}return a.constructor!=THREE.Vector3?this.get("mathPosition"):a},validateWorldScale:function(a){if(a.constructor==Array){a=a.concat([1,1,1]);var b=new THREE.Vector3;return b.set.apply(b,a)}return a.constructor!=THREE.Vector3?this.get("worldScale"):a},validateWorldRotation:function(a){if(a.constructor==Array){a=a.concat([0,0,0]);var b=new THREE.Vector3;return b.set.apply(b,a)}return a.constructor!=THREE.Vector3?this.get("worldRotation"):
+a},validateWorldPosition:function(a){if(a.constructor==Array){a=a.concat([0,0,0]);var b=new THREE.Vector3;return b.set.apply(b,a)}return a.constructor!=THREE.Vector3?this.get("worldPosition"):a}};MathBox.Attributes.mixin(MathBox.Style);
+MathBox.CameraProxy=function(a,b){this.set({orbit:void 0===b.orbit?3.5:b.orbit,phi:void 0===b.phi?\u03c4/4:b.phi,theta:b.theta||0,lookAt:b.lookAt||[0,0,0]});this.singleton="camera";var c=this.controls=a.getCameraControls()||ThreeBox.OrbitControls.bind(a.tCamera(),null,this.get());this.on("change",function(a){_.each(a,function(a,b){"lookAt"!=b&&(c[b]=a)});a.lookAt&&c.lookAt.set.apply(c.lookAt,a.lookAt);c.update()});c.update();this.update=function(){this.set({orbit:c.orbit,phi:c.phi,theta:c.theta},
+null,!0);var a=this.get("lookAt");a[0]=c.lookAt.x;a[1]=c.lookAt.y;a[2]=c.lookAt.z}};MathBox.Attributes.mixin(MathBox.CameraProxy);MathBox.Overlay=function(){(this.domElement=document.createElement("div")).className="mathbox-overlay";this.sprites=[];this.v=new THREE.Vector3;this.q=new THREE.Vector3};
+MathBox.Overlay.prototype={size:function(a,b){this.width=a;this.height=b;this.domElement.style.width=a+"px";this.domElement.style.height=b+"px"},add:function(a){-1==this.sprites.indexOf(a)&&(this.sprites.push(a),a.element.parentNode||this.domElement.appendChild(a.element),_.each(a.children,function(a){this.add(a)}.bind(this)))},remove:function(a){var b;-1!=(b=this.sprites.indexOf(a))&&(this.sprites.splice(b,1),a.element.parentNode&&a.element.parentNode.removeChild(a.element),_.each(a.children,function(a){this.remove(a)}.bind(this)))},
+update:function(a){this.fov=0.5/Math.tan(a.fov*Math.PI/360)*this.height;_.each(this.sprites,function(b){this._update(b,a)}.bind(this));_.each(this.sprites,function(b){this._measure(b,a)}.bind(this));_.each(this.sprites,function(b){this._vis(b,a)}.bind(this))},_measure:function(a,b){if(a.measure){var c=a.element;a.width=c.offsetWidth;a.height=c.offsetHeight;a.measure=!1}},_vis:function(a,b){if(a.render&&(a.width||a.height)){var c=a.left,d=a.top,e=a.width+c,f=a.height+d;found=!1;_.each(this.sprites,
+function(b){if(b===a)found=!0;else if(found&&b.render){var h=b.left,k=b.top,l=b.width+h,m=b.height+k;e<h||c>l||f<k||d>m||(b.element.style.display="none",b.render=!1)}})}},_update:function(a,b){for(var c=this.v,d=this.q,e=a.render,f=a.visible,g=a.parent;f&&g;)f=f&&g.visible,g=g.parent;a.render=f&&0<a.opacity;if(a.render)e||(a.element.style.display="block"),c.copy(a.position),b.matrixWorldInverse.multiplyVector3(c),e=-(c.x/c.z)*this.fov+0.5*this.width,f=c.y/c.z*this.fov+0.5*this.height,a.distance&&
+(d.copy(a.tangent).multiplyScalar(0.01),d.addSelf(a.position),b.matrixWorldInverse.multiplyVector3(d),g=0<a.distance?1:-1,d.subSelf(c),d.z=0,d.normalize().multiplyScalar(a.distance),e+=Math.abs(d.y)*g,f+=Math.abs(d.x)*g),e=Math.round(e),f=Math.round(f),a.left!==e&&(a.left=e,a.element.style.left=e+"px"),a.top!==f&&(a.top=f,a.element.style.top=f+"px"),a.lastOpacity!==a.opacity&&(a.element.style.opacity=a.opacity,a.lastOpacity=a.opacity);else if(e||null===e)a.element.style.display="none"}};
+MathBox.Sprite=function(a,b,c){this.element=a;this.tangent=b||new THREE.Vector3(1,0,0);this.distance=c||0;this.height=this.width=0;this.measure=this.visible=!0;this.render=null;this.content="";this.lastOpacity=this.lastTop=this.lastLeft=null;a.style.position="absolute";a.style.left=0;a.style.top=0;a.style.opacity=0;THREE.Object3D.call(this)};MathBox.Sprite.prototype=_.extend(new THREE.Object3D,{});
+MathBox.Primitive=function(a){if(null!==a){var b=this.defaults();a&&(a.style=_.extend(b.style,a.style||{}),a=_.extend(b,a||{}));a=a||b;this.set(a);this.style=new MathBox.Style;this.style.set(this.get().style||{});this.on("change",function(a){void 0!==a.style&&this.style.set(a.style)}.bind(this));this.set("sequence",a.sequence||++MathBox.Primitive.sequence);this.set("id",a.id||this.sequence);this.init()}};MathBox.Primitive.sequence=0;MathBox.Primitive.types={};
+MathBox.Primitive.prototype={defaults:function(){return{}},type:function(){return"primitive"},init:function(){},make:function(){},destroy:function(){},renderables:function(){return[]},adjust:function(a){}};MathBox.Attributes.mixin(MathBox.Primitive);MicroEvent.mixin(MathBox.Primitive);MathBox.Curve=function(a){null!==a&&MathBox.Primitive.call(this,a)};
+MathBox.Curve.prototype=_.extend(new MathBox.Primitive(null),{defaults:function(){return{n:64,domain:[0,1],data:null,expression:function(){return 0},live:!0,points:!1,line:!0,style:{}}},type:function(){return"curve"},renderables:function(){return[this.line,this.points]},adjust:function(a){a=this.get();this.line.show(a.line);this.points.show(a.points);(a.line||a.points)&&0<this.style.get("opacity")&&a.live&&this.calculate()},make:function(){var a=this.get(),b=this.style,c=a.n,d=this.vertices=[];_.loop(c,
+function(){d.push(new THREE.Vector3)});c=function(c){return new MathBox.Renderable.Mesh(d,{type:c,dynamic:a.live},b)};this.line=c("line");this.points=c("points");this.calculate()},calculate:function(){var a=this.vertices,b=this.get(),c=b.data,d=b.domain,e=b.n,f=d[0],g=(d[1]-f)/(e-1),h;_.loop(e,function(d){h=c&&void 0!==c[d]?c[d]:b.expression.call(this,f,d);var e=0,m=0,q=0;if(h instanceof Array){var u=h.length;0<u&&(e=h[0]);1<u&&(m=h[1]);2<u&&(q=h[2])}else e=f,m=+h;a[d].set(e,m,q);f+=g}.bind(this))}});
+MathBox.Primitive.types.curve=MathBox.Curve;MathBox.Bezier=function(a){MathBox.Curve.call(this,a)};
+MathBox.Bezier.prototype=_.extend(new MathBox.Curve(null),{defaults:function(){return{n:64,domain:[0,1],data:null,order:3,expression:function(){return 0},live:!0,points:!1,line:!0,style:{}}},type:function(){return"bezier"},calculate:function(){var a=this.vertices,b=this.get(),c=b.domain,d=b.data,e=b.order,f=b.n;if(1>e||3<e)throw"Bezier curve order must be 1, 2 or 3.";var g=[],h;_.loop(e+1,function(a){h=d&&void 0!==d[a]?d[a]:b.expression.call(this,a,a);var c=a=0,e=0;if(h instanceof Array){var f=h.length;
+0<f&&(a=h[0]);1<f&&(c=h[1]);2<f&&(e=h[2])}else a=l,c=+h;g.push(new THREE.Vector3(a,c,e))}.bind(this));var k={bezierPoints:g},l=c[0],m=(c[1]-l)/(f-1);_.loop(f,function(b){a[b].set(l,0,0);l+=m});c={uniforms:k,shaders:{position:function(a,b){a.snippet("bezier"+e).snippet("mathTransform");b.viewport(a)}}};this.line.set(c);this.points.set(c)}});MathBox.Primitive.types.bezier=MathBox.Bezier;
+MathBox.Axis=function(a){null!==a&&(MathBox.Primitive.call(this,a),this.on("change",function(a){void 0!==a.size&&this.arrow&&this.arrow.set("size",a.size)}))};
+MathBox.Axis.prototype=_.extend(new MathBox.Primitive(null),{defaults:function(){return{axis:0,offset:[0,0,0],n:2,arrow:!0,line:!0,labels:!1,decimals:2,distance:15,ticks:10,tickUnit:1,tickScale:10,size:0.07,style:{lineWidth:4,color:new THREE.Color(7368816)},formatter:null,zero:!0}},renderables:function(){return[this.line,this.ticks,this.arrow,this.labels]},type:function(){return"axis"},adjust:function(a,b){var c=this.get(),d=c.axis,e=c.offset,f=c.arrow,g=c.line,h=c.labels,k=c.n,l=c.ticks,m=c.tickUnit,
+q=c.tickScale,c=c.decimals,u=this.points,t=this.labelPoints,s=this.labelTangent,r=this.tickPoints,v=this.tickSigns,w=[0,0,0],y=new THREE.Vector3;new THREE.Vector4;var x=a.axis(d),z=x[0],x=x[1],B=(x-z)/(k-1);y.set.apply(y,e);_.loop(k,function(a){w[d]=z+a*B;u[a].set.apply(u[a],w);u[a].addSelf(y)});this.line.show(g);this.arrow.show(f);k=this.scale=MathBox.Ticks(z,x,l,m,q,!0);this.ticks.show(!!l);if(l){l=Math.floor(r.length/2);k.length>l&&(k=k.slice(0,l));var l=[0,0,0],A;l[2==d?0:1-d]=0.01*(x-z);this.epsilon.set.apply(this.epsilon,
+l);w=[0,0,0];_.each(k,function(a,b){w[d]=a;var c=2*b;r[c].set.apply(r[c],w);r[c].addSelf(y);v[c]=1;r[c+1].copy(r[c]);v[c+1]=-1;t[b].copy(r[c]);A=c+1});l=A+1;for(k=r.length;l<k;)r[l].copy(r[A]),v[l]=v[A],l++}w=[0,0,0];w[d]=1;s.set.apply(s,w);this.labels.show(!!h);this.labels.set("decimals",c)},make:function(){var a=this.get(),b=a.n,c=a.size,d=a.ticks,e=a.distance,f=a.formatter,g=this.style,h=this.points=[],k=this.labelPoints=[],l=this.labelTangent=new THREE.Vector3,m=this.tickPoints=[],q=this.tickSigns=
+[],u=this.epsilon=new THREE.Vector3;_.loop(b,function(a){h.push(new THREE.Vector3)});_.loop(4*d,function(a){k.push(new THREE.Vector3)});_.loop(8*d,function(a){m.push(new THREE.Vector3);q.push(1)});var d={dynamic:!0,size:c,offset:0.5},c={dynamic:!0,size:0.2*c},e={dynamic:!0,distance:e},t=function(b){b=this.scale[b];return 0!=b||a.zero?f?f(b):b:""}.bind(this);this.line=new MathBox.Renderable.Mesh(h,{dynamic:!0,type:"line"},g);this.arrow=new MathBox.Renderable.ArrowHead(h[b-2],h[b-1],d,g);this.ticks=
+new MathBox.Renderable.Ticks(m,q,u,c,g);this.labels=new MathBox.Renderable.Labels(k,l,t,e,g)}});MathBox.Axis.validateArgs=function(a){"number"==typeof a&&(a={axis:a});return a};MathBox.Primitive.types.axis=MathBox.Axis;MathBox.Grid=function(a){null!==a&&MathBox.Primitive.call(this,a)};
+MathBox.Grid.prototype=_.extend(new MathBox.Primitive(null),{defaults:function(){return{axis:[0,1],offset:[0,0,0],show:[!0,!0],n:2,ticks:[10,10],tickUnit:[1,1],tickScale:[10,10],style:{lineWidth:1,color:new THREE.Color(10526880)}}},type:function(){return"grid"},renderables:function(){return this.lines||[]},adjust:function(a){function b(a,b,c,d,e){var f=l.slice(),g=0,k=MathBox.Ticks(b.min,b.max,b.ticks,b.tickUnit,b.tickScale,!0);k.length>d&&(k=k.slice(0,d));_.each(k,function(d){f[b.axis]=d+l[b.axis];
+f[c.axis]=c.min+l[c.axis];_.loop(e-1,function(b){a[g].set.apply(a[g],f);g++;f[c.axis]+=c.inv;a[g].set.apply(a[g],f);g++})});d=Math.max(0,g-1);for(k=a.length;g<k;)a[g++].copy(a[d])}var c=this.get(),d=c.axis,e=c.ticks,f=c.tickUnit,g=c.tickScale,h=c.n,k=c.show,l=c.offset,c=this.points,m=this.limit,q=[];"number"==typeof h&&(h=[h,h]);_.each(d,function(b,c){var d=a.axis(b);q.push({axis:b,min:d[0],max:d[1],inv:(d[1]-d[0])/(h[c]-1),ticks:e[c],tickUnit:f[c],tickScale:g[c]})});this.lines[0].show(k[0]);this.lines[1].show(k[1]);
+k[0]&&b(c[0],q[1],q[0],m[0],h[0]);k[1]&&b(c[1],q[0],q[1],m[1],h[1])},make:function(a){var b=this.get();a=b.ticks;var c=b.n,d=this.points=[[],[]],b=this.style;"number"==typeof c&&(c=[c,c]);var e=this.limit=[0,0];_.each(a,function(a,b){b=1-b;e[b]=4*a;_.loop(e[b]*(c[b]-1)*2,function(a){d[b].push(new THREE.Vector3)})});this.lines=[];this.lines.push(new MathBox.Renderable.Mesh(d[0],{type:"line",strip:!1,dynamic:!0},b));this.lines.push(new MathBox.Renderable.Mesh(d[1],{type:"line",strip:!1,dynamic:!0},
+b))}});MathBox.Primitive.types.grid=MathBox.Grid;MathBox.Vector=function(a){null!==a&&(MathBox.Primitive.call(this,a),this.render=[],this.arrows=[],this.line=this.points=this.vertices=null,this.on("change",function(a){void 0!==a.size&&_.each(this.arrows,function(c){c.set("size",a.size)})}))};MathBox.Vector.vLast=new THREE.Vector3;MathBox.Vector.vCurrent=new THREE.Vector3;
+MathBox.Vector.prototype=_.extend(new MathBox.Primitive(null),{defaults:function(){return{n:1,data:null,arrow:!0,expression:function(){return 0},live:!0,style:{},size:0.07}},type:function(){return"vector"},renderables:function(){return this.render},adjust:function(a){var b=this.get();0<this.style.get("opacity")&&(b.arrow||b.live)&&this.calculate(a);_.each(this.arrows,function(a){a.show(b.arrow)})},make:function(){var a=this.get(),b=a.arrow,c=this.style,d=a.n,e=this.vertices=[],f=this.points=[],g=
+this.render=[],h=this.arrows=[],k={dynamic:a.live,type:"line",strip:!1},l={size:a.size},m=0;_.loop(d,function(){e.push(new THREE.Vector3);e.push(new THREE.Vector3);f.push(new THREE.Vector3);f.push(new THREE.Vector3);if(b){var a=new MathBox.Renderable.ArrowHead(f[m++],f[m++],l,c);g.push(a);h.push(a)}});this.line=new MathBox.Renderable.Mesh(e,k,c);g.push(this.line);this.calculate()},calculate:function(a){var b=this.vertices,c=this.arrows,d=this.points,e=this.get(),f=e.data,g=e.arrow,h=e.n,k=e.size,
+l=this.style.get("mathScale"),m=0,q=0;_.loop(2*h,function(h){p=f&&void 0!==f[h]?f[h]:e.expression.call(this,q,m);var t=0,s=0,r=0;if(p instanceof Array){var v=p.length;0<v&&(t=p[0]);1<v&&(s=p[1]);2<v&&(r=p[2])}else t=h,s=+p,r=0;d[h].set(t,s,r);b[h].set(t,s,r);a&&g&&1==h%2&&(t=MathBox.Vector.vLast,s=MathBox.Vector.vCurrent,s.copy(b[h]),t.copy(b[h-1]),a.to(s),a.to(t),s.subSelf(t).multiplySelf(l),v=s.length(),r=Math.min(1,0.5*v/k),r=(1-(1-r)*(1-r))*k,v-=r,s.normalize().multiplyScalar(v).divideSelf(l).addSelf(t),
+a.from(s),b[h].copy(s),c[q].set({size:r}));q=m?q+1:q;m=(m+1)%2}.bind(this))}});MathBox.Primitive.types.vector=MathBox.Vector;MathBox.Surface=function(a){null!==a&&MathBox.Primitive.call(this,a)};
+MathBox.Surface.prototype=_.extend(new MathBox.Primitive(null),{defaults:function(){return{n:[64,64],domain:[[0,1],[0,1]],data:null,expression:function(){return 0},live:!0,points:!1,line:!1,mesh:!0,doubleSided:!0,flipSided:!1,shaded:!0,style:{}}},type:function(){return"surface"},renderables:function(){return[this.mesh,this.line,this.points]},adjust:function(a){a=this.get();this.mesh.show(a.mesh);this.line.show(a.line);this.points.show(a.points);(a.mesh||a.line||a.points)&&0<this.style.get("opacity")&&
+a.live&&this.calculate()},make:function(){var a=this.get(),b=this.style,c=a.n;"number"==typeof c&&(c=[c,c]);var d=this.geometry=new THREE.PlaneGeometry(2,2,c[0]-1,c[1]-1);this.vertices=d.vertices;this.mesh=new MathBox.Renderable.Mesh(d,{type:"mesh",doubleSided:a.doubleSided,flipSided:a.flipSided,shaded:a.shaded,smooth:!0,dynamic:a.live},b);this.line=new MathBox.Renderable.Mesh(d,{type:"mesh",shaded:a.shaded,smooth:!0,dynamic:a.live,wireframe:!0},b);this.points=new MathBox.Renderable.Mesh(d.vertices,
+{type:"points",dynamic:a.live},b);if(a.shaded){var e=this.tangents=[[],[]];_.loop(c[0]*c[1],function(){e[0].push(new THREE.Vector3);e[1].push(new THREE.Vector3)})}this.calculate()},calculate:function(){var a=this.vertices,b=this.tangents,c=this.get(),d=c.data,e=c.domain,f=c.n,g=c.flipSided,h=g?1:0,g=g?0:1;"number"==typeof f&&(f=[f,f]);var k=e[0][0],l=e[1][0],m=(e[0][1]-k)/(f[0]-1),q=(e[1][1]-l)/(f[1]-1),u,t=0;_.loop(f[1],function(b){k=e[0][0];_.loop(f[0],function(e){u=d&&void 0!==d[b]&&void 0!==d[b][e]?
+d[b][e]:c.expression.call(this,k,l,e,b,t);var f=e=0,g=0;if(u instanceof Array){var h=u.length;0<h&&(e=u[0]);1<h&&(f=u[1]);2<h&&(g=u[2])}else e=k,f=+u,g=l;a[t].set(e,f,g);k+=m;t++}.bind(this));l+=q}.bind(this));if(c.shaded){var t=0,l=e[1][0],s=f[0];_.loop(f[1],function(c){k=e[0][0];var d=c?c-1:0,g=Math.min(f[1]-1,c+1);_.loop(f[0],function(e){var h=e?e-1:0,l=Math.min(f[0]-1,e+1),q=a[e+c*s];l==e?b[0][t].sub(q,a[h+c*s]).addSelf(q):b[0][t].copy(a[l+c*s]);g==c?b[1][t].sub(q,a[e+d*s]).addSelf(q):b[1][t].copy(a[e+
+g*s]);k+=m;t++});l+=q});this.line.set("attributes",{positionDU:b[h],positionDV:b[g]});this.mesh.set("attributes",{positionDU:b[h],positionDV:b[g]})}}});MathBox.Primitive.types.surface=MathBox.Surface;MathBox.BezierSurface=function(a){this.matrixX=new THREE.Matrix4;this.matrixY=new THREE.Matrix4;this.matrixZ=new THREE.Matrix4;this.coefficients=new THREE.Matrix4(-1,3,-3,1,3,-6,3,0,-3,3,0,0,1,0,0,0);MathBox.Surface.call(this,a)};
+MathBox.BezierSurface.prototype=_.extend(new MathBox.Surface(null),{defaults:function(){return{n:[64,64],domain:[[0,1],[0,1]],data:null,order:3,expression:function(){return 0},live:!0,points:!1,line:!1,mesh:!0,doubleSided:!0,flipSided:!1,shaded:!0,style:{}}},type:function(){return"bezierSurface"},calculate:function(){var a=this.vertices,b=this.get(),c=b.domain,d=b.data,e=b.order,f=b.shaded,g=b.n;"number"==typeof g&&(g=[g,g]);if(3!=e)throw"Bezier surface order must be 3.";var h=[],k;_.loop(e+1,function(a){_.loop(e+
+1,function(c){k=d&&void 0!==d[a]&&void 0!==d[a][c]?d[a][c]:b.expression.call(this,c,a,c,a);var e=0,f=0,g=0;k instanceof Array?(c=k.length,0<c&&(e=k[0]),1<c&&(f=k[1]),2<c&&(g=k[2])):(e=c,f=+k,g=a);h.push([e,f,g])}.bind(this))}.bind(this));k=h;this.matrixX.set(k[0][0],k[1][0],k[2][0],k[3][0],k[4][0],k[5][0],k[6][0],k[7][0],k[8][0],k[9][0],k[10][0],k[11][0],k[12][0],k[13][0],k[14][0],k[15][0]);this.matrixY.set(k[0][1],k[1][1],k[2][1],k[3][1],k[4][1],k[5][1],k[6][1],k[7][1],k[8][1],k[9][1],k[10][1],k[11][1],
+k[12][1],k[13][1],k[14][1],k[15][1]);this.matrixZ.set(k[0][2],k[1][2],k[2][2],k[3][2],k[4][2],k[5][2],k[6][2],k[7][2],k[8][2],k[9][2],k[10][2],k[11][2],k[12][2],k[13][2],k[14][2],k[15][2]);var l=this.coefficients;this.matrixX.multiplySelf(l).transpose().multiplySelf(l);this.matrixY.multiplySelf(l).transpose().multiplySelf(l);this.matrixZ.multiplySelf(l).transpose().multiplySelf(l);var l={bezierSurfaceX:this.matrixX,bezierSurfaceY:this.matrixY,bezierSurfaceZ:this.matrixZ},m=c[0][0],q=c[1][0],u=(c[0][1]-
+m)/(g[0]-1),t=(c[1][1]-q)/(g[1]-1),s=0;_.loop(g[1],function(b){m=c[0][0];_.loop(g[0],function(b){a[s].set(m,q,0);m+=u;s++}.bind(this));q+=t}.bind(this));l={uniforms:l,shaders:{position:function(a,b){f?(a.snippet("bezierSurface"+e),a.group(),a.snippet("mathTransform"),b.viewport(a),a.next(),a.snippet("mathTransform"),b.viewport(a),a.next(),a.snippet("mathTransform"),b.viewport(a),a.combine()):(a.snippet("bezierSurface"+e).snippet("mathTransform"),b.viewport(a))}}};this.mesh.set(l);this.line.set(l);
+this.points.set(l)}});MathBox.Primitive.types.bezierSurface=MathBox.BezierSurface;MathBox.Platonic=function(a){null!==a&&MathBox.Primitive.call(this,a)};
+MathBox.Platonic.prototype=_.extend(new MathBox.Primitive(null),{defaults:function(){return{n:1,type:"cube",points:!1,line:!1,mesh:!0,doubleSided:!0,flipSided:!1,shaded:!0,style:{}}},type:function(){return"platonic"},renderables:function(){return[this.mesh,this.line,this.points]},adjust:function(a){a=this.get();this.mesh.show(a.mesh);this.line.show(a.line);this.points.show(a.points)},make:function(){var a=this.get(),b=this.style,c;switch(a.type){case "cube":c=new THREE.CubeGeometry(2,2,2,1,1,1)}this.mesh=
+new MathBox.Renderable.Mesh(c,{type:"mesh",doubleSided:a.doubleSided,flipSided:a.flipSided,shaded:a.shaded,smooth:!1,dynamic:a.live},b);this.line=new MathBox.Renderable.Mesh(c,{type:"mesh",shaded:a.shaded,smooth:!1,dynamic:a.live,wireframe:!0},b);this.points=new MathBox.Renderable.Mesh(c.vertices,{type:"points",dynamic:a.live},b)}});MathBox.Primitive.types.platonic=MathBox.Platonic;MathBox.Label=function(a){null!==a&&MathBox.Primitive.call(this,a)};
+MathBox.Label.prototype=_.extend(new MathBox.Primitive(null),{defaults:function(){return{position:[0,0,0],facing:1,distance:15,style:{color:new THREE.Color(7368816)},text:""}},renderables:function(){return[this.labels]},type:function(){return"label"},adjust:function(a,b){var c=this.get(),d=[0,0,0];d[c.facing]=1;var e=this.labelTangent;e.set.apply(e,d);d=this.labelPoint;d.set.apply(d,c.position);this.labels.show(!0)},make:function(){var a=this.get(),b=a.position,c=a.text,d=a.distance,a=this.style,
+e=this.labelTangent=new THREE.Vector3,f=this.labelPoint=new THREE.Vector3,d={dynamic:!0,distance:d};f.set.apply(f,b);b=function(a){return c}.bind(this);this.labels=new MathBox.Renderable.Labels([f],e,b,d,a)}});MathBox.Label.validateArgs=function(a){return a};MathBox.Primitive.types.label=MathBox.Label;
+MathBox.Renderable=function(a,b){if(null!==a){this.id=++MathBox.Renderable.id;var c=this.defaults();a&&(a=_.extend(c,a||{}));this.set(a||c);this.geometry=this.material=this.object=null;this.visible=!0;this.style=b||new MathBox.Style;this.style.on("change",this.styleCallback=this.refreshStyle.bind(this));this.on("change",this.uniformsCallback=this.refreshOptions.bind(this));this.mathTransform=new THREE.Matrix4}};MathBox.Renderable.id=0;
+MathBox.Renderable.prototype={defaults:function(){return{}},make:function(a){},destroy:function(){},show:function(a){a=void 0===a?!0:!!a;a!=this.visible&&(this.visible=a,this.refresh())},isVisible:function(){return this.object&&this.object.visible},composeTransform:function(a,b,c){var d=THREE.Matrix4.__m1,e=THREE.Matrix4.__m2;d.identity();d.setRotationFromEuler(b,this.object.eulerOrder);e.makeScale(c.x,c.y,c.z);this.mathTransform.multiply(d,e);b=this.mathTransform.elements;b[12]=a.x;b[13]=a.y;b[14]=
+a.z},refreshStyle:function(a){var b=this.style.get();a=a||b;this.material&&this.material.applyUniforms(a);if(this.object){this.object.frustumCulled=!1;a.worldPosition&&(this.object.position=b.worldPosition);a.worldRotation&&(this.object.rotation=b.worldRotation);a.worldScale&&(this.object.scale=b.worldScale);if(a.mathPosition||a.mathRotation||a.mathScale)this.composeTransform(b.mathPosition,b.mathRotation,b.mathScale),this.material&&this.material.applyUniforms({mathTransform:this.mathTransform});
+void 0!==a.opacity&&(this.object.visible=this.visible&&0<b.opacity);void 0===a.opacity&&void 0===a.zIndex||!this.material||(this.object.renderDepth=b.zIndex*(1==b.opacity?1:-1))}},refreshOptions:function(a){var b=this.get();a=a||b;if(this.material){b=this.get();if(void 0!==a.doubleSided||void 0!==a.flipSided)this.material.side=b.doubleSided?THREE.DoubleSide:b.flipSided?THREE.BackSide:THREE.FrontSide,b={flipSided:b.doubleSided&&b.flipSided?-1:1},this.material.applyUniforms(b);(b=this.get().uniforms)&&
+this.material.applyUniforms(b);(b=this.get().attributes)&&this.material.applyAttributes(b)}},refresh:function(){this.refreshStyle();this.refreshOptions()},adjust:function(a){this.material&&this.material.applyUniforms(a.uniforms())}};MathBox.Attributes.mixin(MathBox.Renderable);MathBox.Renderable.Mesh=function(a,b,c){this.points=a;MathBox.Renderable.call(this,b,c)};
+MathBox.Renderable.Mesh.prototype=_.extend(new MathBox.Renderable(null),{defaults:function(){return{type:"points",doubleSided:!0,dynamic:!1,absolute:!1,strip:!0,shaders:{}}},make:function(a){var b=this.get(),c=b.type,d=b.strip,e={points:THREE.ParticleSystem,line:THREE.Line,mesh:THREE.Mesh}[c];if(!e)throw"Invalid Mesh type '"+c+"'";a=this.material=a.generic(b);var f;f=this.points;f instanceof Array?(f=this.geometry=new THREE.Geometry,f.vertices=this.points):f=this.geometry=f;f.dynamic=b.dynamic;switch(c){case "line":b=
+new THREE.Line(f,a,d?THREE.LineStrip:THREE.LinePieces);break;default:b=new e(f,a)}this.object=b;this.refresh()},adjust:function(a){this.get().dynamic&&(this.geometry.verticesNeedUpdate=!0);MathBox.Renderable.prototype.adjust.call(this,a)}});MathBox.Renderable.ArrowHead=function(a,b,c,d){this.from=a;this.to=b;MathBox.Renderable.call(this,c,d)};MathBox.Renderable.ArrowHead.geometry=new THREE.CylinderGeometry(0.33,0,1,16,1);
+MathBox.Renderable.ArrowHead.prototype=_.extend(new MathBox.Renderable(null),{defaults:function(){return{offset:0,absolute:!0,size:0.1}},make:function(a){var b=this.get();a=this.material=a.generic(b);this._from=new THREE.Vector3;this._to=new THREE.Vector3;this.diff=new THREE.Vector3;this.bi=new THREE.Vector3;this.normal=new THREE.Vector3(0,0,1);b=this.geometry=MathBox.Renderable.ArrowHead.geometry;this.object=new THREE.Mesh(b,a);this.refresh()},isVisible:function(){return this.visible&&0<this.style.get("opacity")},
+adjust:function(a){var b=this.get(),c=b.offset,d=this._from.copy(this.from),e=this._to.copy(this.to);this.mathTransform.multiplyVector3(d);this.mathTransform.multiplyVector3(e);a.to(d);a.to(e);d=this.diff.sub(d,e);if(0.001>d.length())this.object.visible=!1;else{this.object.visible=this.visible;d=d.normalize();this.normal.x=this.diff.y+0.1;this.normal.y=this.diff.z+0.2;this.normal.z=this.diff.x+0.3;this.normal.normalize();var f=this.bi.cross(this.normal,this.diff).normalize(),g=this.normal.cross(this.bi,
+this.diff),b=b.size,e=(new THREE.Matrix4(f.x,d.x,g.x,e.x,f.y,d.y,g.y,e.y,f.z,d.z,g.z,e.z,0,0,0,1)).scale(new THREE.Vector3(b,b,b));this.object.updateMatrix();this.object.matrix.multiplySelf(e);e.identity().setPosition({x:0,y:0.5-c,z:0});this.object.matrix.multiplySelf(e);this.object.matrixAutoUpdate=!1;this.object.matrixWorldNeedsUpdate=!0;MathBox.Renderable.prototype.adjust.call(this,a)}}});
+MathBox.Renderable.Ticks=function(a,b,c,d,e){this.points=a;this.signs=b;this.epsilon=c;MathBox.Renderable.call(this,d,e)};
+MathBox.Renderable.Ticks.prototype=_.extend(new MathBox.Renderable(null),{defaults:function(){return{dynamic:!1,absolute:!1,size:0.1}},make:function(a){var b=this.get(),c=this.points;a=this.material=a.generic({type:"line",shaders:{position:function(a,c){c.position(a,b);a.snippet("tickVertexSplit");a.group();c.viewport(a);a.next();c.viewport(a);a.combine();a.snippet("tickVertexJoin")}}});var d=this.geometry=new THREE.Geometry;d.vertices=c;this.object=new THREE.Line(d,a,THREE.LinePieces);this.refresh()},
+adjust:function(a){var b=this.get();this.material&&this.material.applyAttributes({tickSign:this.signs});this.material&&this.material.applyUniforms({tickEpsilon:this.epsilon,tickSize:b.size});b.dynamic&&(this.material.attributes.tickSign.needsUpdate=!0,this.geometry.verticesNeedUpdate=!0);MathBox.Renderable.prototype.adjust.call(this,a)}});MathBox.Renderable.Labels=function(a,b,c,d,e){this.points=a;this.tangent=b;this.callback=c;this.sprites=[];MathBox.Renderable.call(this,d,e)};
+MathBox.Renderable.Labels.prototype=_.extend(new MathBox.Renderable(null),{defaults:function(){return{absolute:!0,distance:15,size:1}},make:function(a){this.get();var b=this.tangent,c=this.sprites;a=this.points.length;this._anchor=new THREE.Vector3;var d=document.createElement("div"),e=this.object=new MathBox.Sprite(d);d.className="mathbox-labels";_.loop(a,function(a){a=document.createElement("div");var d=document.createElement("div");a.appendChild(d);var h=new MathBox.Sprite(a,b);a.className="mathbox-label";
+d.className="mathbox-wrap";d.style.position="relative";d.style.display="inline-block";d.style.left="-50%";d.style.top="-.5em";c.push(h);e.add(h)})},adjust:function(a,b,c,d,e){var f=this.get(),g=this.points;b=this.sprites;var h=this.callback,k=f.decimals,l=this.style.get("opacity"),m=window.MathJax&&MathJax.Hub,q=1/Math.log(10);_.each(b,function(b,c){b.position.copy(g[c]);a.to(b.position);e.matrix.multiplyVector3(b.position);b.distance=f.distance;b.opacity=l;var d="";if(h){d=h(c);void 0===d&&(d="");
+if(+d==d){var r=+d;if(0!=r)var d=0>r?-1:1,r=Math.abs(r),v=Math.pow(10,k-1-Math.floor(Math.log(r)*q)),d=r=d*Math.round(v*r)/v}m||(d=(""+d).replace(/^-/,"\u2013"))}b.content!==d&&(r=b.element.children[0],b.content=d,b.measure=!0,m?(r.innerHTML="\\("+d+"\\)",MathJax.Hub.queue.Push(["Typeset",MathJax.Hub,r])):r.innerHTML=d)});MathBox.Renderable.prototype.adjust.call(this,a)}});
+MathBox.Viewport=function(a){if(null!==a){var b=this.defaults();a=_.extend(b,a||{});this.set(a);this.singleton="viewport";this._uniforms={}}};
+MathBox.Viewport.prototype={defaults:function(){return{type:"none",rotation:[0,0,0],position:[0,0,0]}},uniforms:function(){return this._uniforms},axis:function(a){return[0,1]},to:function(a){},from:function(a){},update:function(a){var b=this.get();_.each(["position","rotation"],function(c){a[c].set.apply(a[c],b[c])})},shader:function(a){a.snippet("mathToWorld")},validateRotation:function(a){return a.constructor==Array?(a=a.concat([0,0,0]),a.slice(0,3)):this.get("rotation")},validatePosition:function(a){return a.constructor==
+Array?(a=a.concat([0,0,0]),a.slice(0,3)):this.get("position")}};MathBox.Attributes.mixin(MathBox.Viewport,"type");MathBox.Viewport.types={};MathBox.Viewport.make=function(a){return new (MathBox.Viewport.types[a.type]||MathBox.Viewport.types.cartesian||MathBox.Viewport)(a)};
+MathBox.ViewportCartesian=function(a){if(null!==a){var b=MathBox.Viewport;b.call(this,a);this.super=b.prototype;this.transform=new THREE.Matrix4;this.inverse=new THREE.Matrix4;_.extend(this._uniforms,{viewportTransform:this.transform,viewportInverse:this.inverse})}};
+MathBox.ViewportCartesian.prototype=_.extend(new MathBox.Viewport(null),{defaults:function(){return{type:"cartesian",range:[[-1,1],[-1,1],[-1,1]],scale:[1,1,1],rotation:[0,0,0],position:[0,0,0]}},to:function(a){this.transform.multiplyVector3(a)},from:function(a){this.inverse.multiplyVector3(a)},axis:function(a){var b=this.get().range[a];a=b[0];var c=b[1],b=Math.min(a,c);a=Math.max(a,c);return[b,a]},update:function(a){var b=this.get(),c=b.range,d=b.scale,b=c[0][0],e=c[1][0],f=c[2][0],g=c[0][1]-b,h=
+c[1][1]-e,c=c[2][1]-f,k=d[0],l=d[1],d=d[2],m=[g/(2*k),0,0,b+g/2,0,h/(2*l),0,e+h/2,0,0,c/(2*d),f+c/2,0,0,0,1];this.transform.set.apply(this.transform,[2*k/g,0,0,-(2*b+g)*k/g,0,2*l/h,0,-(2*e+h)*l/h,0,0,2*d/c,-(2*f+c)*d/c,0,0,0,1]);this.inverse.set.apply(this.inverse,m);MathBox.Viewport.prototype.update.call(this,a)},validateRange:function(a){a=a||[];for(var b=0;3>b;++b){a[b]=a[b]||[];for(var c=0;2>c;++c)a[b][c]=void 0!==a[b][c]?a[b][c]:2*c-1}return a},validateScale:function(a){a=a||[];for(var b=0;3>
+b;++b)a[b]=a[b]||1;return a}});MathBox.Attributes.mixin(MathBox.Viewport);MathBox.Viewport.types.cartesian=MathBox.ViewportCartesian;MathBox.ViewportPolar=function(a){var b=MathBox.ViewportCartesian;b.call(this,a);this.super=b.prototype;_.extend(this._uniforms,{polarAlpha:0,polarAspect:1,polarPower:1,polarFold:1,polarFocus:1,polarHelix:0})};
+MathBox.ViewportPolar.prototype=_.extend(new MathBox.ViewportCartesian(null),{defaults:function(){return{type:"polar",range:[[-1,1],[-1,1],[-1,1]],polar:1,fold:1,power:1,helix:0,scale:[1,1,1],rotation:[0,0,0],position:[0,0,0]}},to:function(a){var b=this._uniforms.polarAspect,c=this._uniforms.polarFocus,d=this._uniforms.polarAlpha,e=this._uniforms.polarPower,f=this._uniforms.polarHelix;a.x*=this._uniforms.polarFold;a.y=Math.sign(a.y)*Math.pow(Math.abs(a.y),e);if(1E-4<d){var e=c+a.y*b,g=a.x*d;a.z+=
+a.x*f*d;a.x=Math.sin(g)*e;a.y=(Math.cos(g)*e-c)/b}this.transform.multiplyVector3(a)},from:function(a){var b=this._uniforms.polarAspect,c=this._uniforms.polarFocus,d=this._uniforms.polarAlpha,e=this._uniforms.polarFold,f=this._uniforms.polarPower,g=this._uniforms.polarHelix;this.inverse.multiplyVector3(a);if(1E-4<d){var h=a.x,k=a.y*b+c,l=Math.sqrt(h*h+k*k);theta=Math.atan2(h,k);a.x=theta/d;a.y=(l-c)/b;a.z-=a.x*g*d}a.x/=e;a.y=Math.sign(a.y)*Math.pow(Math.abs(a.y),1/f)},axis:function(a){var b=this.super.axis.call(this,
+a);min=b[0];max=b[1];alpha=this._uniforms.polarAlpha;aspect=this._uniforms.polarAspect;focus=this._uniforms.polarFocus;1==a&&0<alpha&&(max=Math.max(Math.abs(max),Math.abs(min)),min=Math.max(-focus/aspect+0.001,min));return[min,max]},update:function(a){var b=this.get(),c=b.range,d=b.scale,e=b.polar,f=b.fold,g=b.power,b=b.helix,h=1,k=c[0][0],l=c[1][0],m=c[2][0],q=c[0][1]-k,u=c[1][1]-l,c=c[2][1]-m,t=d[0],s=d[1],d=d[2],h=0<q?1:-1,r=Math.abs(u),r=q+(r*h-q)*e,h=Math.abs(r/t/(u/s)),v=[r/(2*t),0,0,k+q/2,
+0,u/(2*s),0,l+u/2,0,0,c/(2*d),m+c/2,0,0,0,1];this.transform.set.apply(this.transform,[2*t/r,0,0,-(2*k+q)*t/q,0,2*s/u,0,-(2*l+u)*s/u,0,0,2*d/c,-(2*m+c)*d/c,0,0,0,1]);this.inverse.set.apply(this.inverse,v);this._uniforms.polarAlpha=e;this._uniforms.polarAspect=h;this._uniforms.polarFold=f;this._uniforms.polarPower=g;this._uniforms.polarFocus=0<e?1/e-1:0;this._uniforms.polarHelix=b;MathBox.Viewport.prototype.update.call(this,a)},shader:function(a){a.snippet("polarPower").snippet("cartesianToPolar").snippet("mathToWorld")},
+validatePolar:function(a){return Math.max(0,Math.min(1,+a||0))},validateFold:function(a){return+a||0},validatePower:function(a){return+a||0},validateHelix:function(a){return+a||0}});MathBox.Attributes.mixin(MathBox.Viewport);MathBox.Viewport.types.polar=MathBox.ViewportPolar;MathBox.ViewportProjective=function(a){var b=MathBox.ViewportCartesian;b.call(this,a);this.super=b.prototype;_.extend(this._uniforms,{projectiveTransform:new THREE.Matrix4,projectiveInverse:new THREE.Matrix4})};
+MathBox.ViewportProjective.prototype=_.extend(new MathBox.ViewportCartesian(null),{defaults:function(){return{type:"projective",range:[[-1,1],[-1,1],[-1,1]],scale:[1,1,1],rotation:[0,0,0],position:[0,0,0],projective:[[1,0,0,0],[0,1,0,0],[0,0,1,0],[0,0,0,1]]}},to:function(a){this._uniforms.projectiveTransform.multiplyVector3(a);this.transform.multiplyVector3(a)},from:function(a){this.inverse.multiplyVector3(a);this._uniforms.projectiveInverse.multiplyVector3(a)},update:function(a){var b=this._uniforms.projectiveTransform,
+c=this.get("projective");b.set.apply(b,c[0].concat(c[1],c[2],c[3]));this._uniforms.projectiveInverse.getInverse(b);MathBox.ViewportCartesian.prototype.update.call(this,a)},shader:function(a){a.snippet("projectiveTransform").snippet("mathToWorld")},validateProjective:function(a){if(a.constructor==Array){for(var b=0;3>b;++b)a[b]=a[b]&&a.constructor==Array&&a[b]||[],a[b]=a[b].concat([0,0,0,0]).slice(0,4);return a}}});MathBox.Attributes.mixin(MathBox.Viewport);MathBox.Viewport.types.projective=MathBox.ViewportProjective;
+MathBox.ViewportSphere=function(a){var b=MathBox.ViewportCartesian;b.call(this,a);this.super=b.prototype;_.extend(this._uniforms,{sphereAlpha:0,sphereAspectX:1,sphereAspectY:1,sphereYScale:1,sphereFocus:1})};
+MathBox.ViewportSphere.prototype=_.extend(new MathBox.ViewportCartesian(null),{defaults:function(){return{type:"sphere",range:[[-1,1],[-1,1],[-1,1]],sphere:1,scale:[1,1,1],rotation:[0,0,0],position:[0,0,0]}},to:function(a){var b=this._uniforms.sphereAspectX,c=this._uniforms.sphereAspectY,d=this._uniforms.sphereYScale,e=this._uniforms.sphereFocus,f=this._uniforms.sphereAlpha;if(1E-4<f){var g=e+a.z*b,h=a.x*f,d=a.y*f/c*d,f=Math.cos(d)*g;a.x=Math.sin(h)*f;a.y=Math.sin(d)*g*c;a.z=(Math.cos(h)*f-e)/b}this.transform.multiplyVector3(a)},
+from:function(a){var b=this._uniforms.sphereAspectX,c=this._uniforms.sphereAspectY,d=this._uniforms.sphereYScale,e=this._uniforms.sphereFocus,f=this._uniforms.sphereAlpha;this.inverse.multiplyVector3(a);if(1E-4<f){var g=a.x,h=a.y/c,k=a.z*b+e,l=Math.sqrt(g*g+h*h+k*k),h=Math.atan2(h,Math.sqrt(g*g+k*k)),g=Math.atan2(g,k);a.x=g/f;a.y=h/f*c/d;a.z=(l-e)/b}},axis:function(a){var b=this.super.axis.call(this,a);min=b[0];max=b[1];alpha=this._uniforms.sphereAlpha;beta=this._uniforms.sphereBeta;aspectX=this._uniforms.sphereAspectX;
+aspectY=this._uniforms.sphereAspectY;focus=this._uniforms.sphereFocus;2==a&&0<alpha&&(max=Math.max(Math.abs(max),Math.abs(min)),min=Math.max(-focus/aspectX,min));return[min,max]},update:function(a){var b=this.get(),c=b.range,d=b.scale,b=b.sphere,e=0<b?1/b-1:0,f=c[0][0],g=c[1][0],h=c[2][0],k=c[0][1]-f,l=c[1][1]-g,c=c[2][1]-h,m=d[0],q=d[1],d=d[2],u=0<k?1:-1,t=0<l?1:-1,s=Math.abs(c),u=k+(s*u-k)*b,t=l+(s*t-l)*b,s=c/d;aspectX=u/m/s;aspectY=t/q/s/aspectX;aspectZ=l/k*m/q*2;yScale=Math.min(aspectY/b,1+(aspectZ-
+1)*b);s=[u/(2*m),0,0,f+k/2,0,t/(2*q),0,g+l/2,0,0,c/(2*d),h+c/2,0,0,0,1];this.transform.set.apply(this.transform,[2*m/u,0,0,-(2*f+k)*m/k,0,2*q/t,0,-(2*g+l)*q/l,0,0,2*d/c,-(2*h+c)*d/c,0,0,0,1]);this.inverse.set.apply(this.inverse,s);this._uniforms.sphereAlpha=b;this._uniforms.sphereAspectX=aspectX;this._uniforms.sphereAspectY=aspectY;this._uniforms.sphereYScale=yScale;this._uniforms.sphereFocus=e;MathBox.Viewport.prototype.update.call(this,a)},shader:function(a){a.snippet("cartesianToSphere").snippet("mathToWorld")},
+validateSphere:function(a){return Math.max(0,Math.min(1,+a||0))}});MathBox.Attributes.mixin(MathBox.Viewport);MathBox.Viewport.types.sphere=MathBox.ViewportSphere;

From f89deec481fb89a54c532a778d0abada9ce3c3dd Mon Sep 17 00:00:00 2001
From: ichuang <ichuang@mit.edu>
Date: Fri, 4 Apr 2014 21:52:04 -0400
Subject: [PATCH 6/9] allow class_name to be specified for Label objects, for
 custom label css

---
 README.md                 |  3 ++-
 src/primitives/Label.js   |  4 +++-
 src/renderables/Labels.js | 10 +++++++---
 3 files changed, 12 insertions(+), 5 deletions(-)

diff --git a/README.md b/README.md
index 8505197..a43e66e 100644
--- a/README.md
+++ b/README.md
@@ -429,7 +429,8 @@ Label
   position: [0, 0, 0], // location of label
   text: 'hello',       // text to be displayed 
   distance: 15,        // text sprite anchor point offset
-  facing: 1            // which axis tangent direction the label should be facing towards
+  facing: 1,           // which axis tangent direction the label should be facing towards
+  class_name: 'math'   // css class name to use for the labels (leave unset for default 'mathbox-labels')
 })
 ```
 
diff --git a/src/primitives/Label.js b/src/primitives/Label.js
index 7889c0b..f4fea05 100644
--- a/src/primitives/Label.js
+++ b/src/primitives/Label.js
@@ -18,6 +18,7 @@ MathBox.Label.prototype = _.extend(new MathBox.Primitive(null), {
       style: {
         color: new THREE.Color(0x707070),
       },
+      class_name: 'mathbox-labels',	// allow user to change css class of labels div
       text: ""
     };
   },
@@ -52,11 +53,12 @@ MathBox.Label.prototype = _.extend(new MathBox.Primitive(null), {
       position = options.position,
       text = options.text,
       distance = options.distance,
+      class_name = options.class_name,
       style = this.style,
     labelTangent = this.labelTangent = new THREE.Vector3(),
       labelPoint  = this.labelPoint = new THREE.Vector3();
 
-    var labelOptions = { dynamic: true, distance: distance };
+    var labelOptions = { dynamic: true, distance: distance, class_name: class_name };
     labelPoint.set.apply(labelPoint, position)
     // label text callback
     var callback = function (i) {
diff --git a/src/renderables/Labels.js b/src/renderables/Labels.js
index 37f7497..0b1ff2b 100644
--- a/src/renderables/Labels.js
+++ b/src/renderables/Labels.js
@@ -20,7 +20,8 @@ MathBox.Renderable.Labels.prototype = _.extend(new MathBox.Renderable(null), {
     return {
       absolute: true,
       distance: 15,
-      size: 1//,
+      size: 1,
+      class_name: 'mathbox-labels' //,
     };
   },
 
@@ -29,6 +30,7 @@ MathBox.Renderable.Labels.prototype = _.extend(new MathBox.Renderable(null), {
         points = this.points,
         tangent = this.tangent,
         sprites = this.sprites,
+        class_name = options.class_name,
         n = this.points.length;
 
     // Reusable vector for later.
@@ -37,7 +39,7 @@ MathBox.Renderable.Labels.prototype = _.extend(new MathBox.Renderable(null), {
     // Make parent object to hold all the label divs in one Object3D.
     var element = document.createElement('div');
     var object = this.object = new MathBox.Sprite(element);
-    element.className = 'mathbox-labels';
+    element.className = class_name;
 
     // Make sprites for all labels
     _.loop(n, function (i) {
@@ -50,7 +52,9 @@ MathBox.Renderable.Labels.prototype = _.extend(new MathBox.Renderable(null), {
       var sprite = new MathBox.Sprite(element, tangent);
 
       // Position at anchor point
-      element.className = 'mathbox-label';
+      if (class_name == "mathbox-labels"){
+	  element.className = 'mathbox-label';
+      }
       inner.className = 'mathbox-wrap';
       inner.style.position = 'relative';
       inner.style.display = 'inline-block';

From c0f73db04b9bbb49d74cfa916e32304bd57f769e Mon Sep 17 00:00:00 2001
From: ichuang <ichuang@mit.edu>
Date: Fri, 4 Apr 2014 21:52:37 -0400
Subject: [PATCH 7/9] rebuild

---
 build/MathBox-bundle.js     |  14 ++-
 build/MathBox-bundle.min.js |  14 +--
 build/MathBox-core.js       |  14 ++-
 build/MathBox-core.min.js   | 164 ++++++++++++++++++------------------
 build/MathBox.js            |  14 ++-
 build/MathBox.min.js        | 144 +++++++++++++++----------------
 6 files changed, 191 insertions(+), 173 deletions(-)

diff --git a/build/MathBox-bundle.js b/build/MathBox-bundle.js
index 97816da..d5534ae 100644
--- a/build/MathBox-bundle.js
+++ b/build/MathBox-bundle.js
@@ -46335,6 +46335,7 @@ MathBox.Label.prototype = _.extend(new MathBox.Primitive(null), {
       style: {
         color: new THREE.Color(0x707070),
       },
+      class_name: 'mathbox-labels',	// allow user to change css class of labels div
       text: ""
     };
   },
@@ -46369,11 +46370,12 @@ MathBox.Label.prototype = _.extend(new MathBox.Primitive(null), {
       position = options.position,
       text = options.text,
       distance = options.distance,
+      class_name = options.class_name,
       style = this.style,
     labelTangent = this.labelTangent = new THREE.Vector3(),
       labelPoint  = this.labelPoint = new THREE.Vector3();
 
-    var labelOptions = { dynamic: true, distance: distance };
+    var labelOptions = { dynamic: true, distance: distance, class_name: class_name };
     labelPoint.set.apply(labelPoint, position)
     // label text callback
     var callback = function (i) {
@@ -46839,7 +46841,8 @@ MathBox.Renderable.Labels.prototype = _.extend(new MathBox.Renderable(null), {
     return {
       absolute: true,
       distance: 15,
-      size: 1//,
+      size: 1,
+      class_name: 'mathbox-labels' //,
     };
   },
 
@@ -46848,6 +46851,7 @@ MathBox.Renderable.Labels.prototype = _.extend(new MathBox.Renderable(null), {
         points = this.points,
         tangent = this.tangent,
         sprites = this.sprites,
+        class_name = options.class_name,
         n = this.points.length;
 
     // Reusable vector for later.
@@ -46856,7 +46860,7 @@ MathBox.Renderable.Labels.prototype = _.extend(new MathBox.Renderable(null), {
     // Make parent object to hold all the label divs in one Object3D.
     var element = document.createElement('div');
     var object = this.object = new MathBox.Sprite(element);
-    element.className = 'mathbox-labels';
+    element.className = class_name;
 
     // Make sprites for all labels
     _.loop(n, function (i) {
@@ -46869,7 +46873,9 @@ MathBox.Renderable.Labels.prototype = _.extend(new MathBox.Renderable(null), {
       var sprite = new MathBox.Sprite(element, tangent);
 
       // Position at anchor point
-      element.className = 'mathbox-label';
+      if (class_name == "mathbox-labels"){
+	  element.className = 'mathbox-label';
+      }
       inner.className = 'mathbox-wrap';
       inner.style.position = 'relative';
       inner.style.display = 'inline-block';
diff --git a/build/MathBox-bundle.min.js b/build/MathBox-bundle.min.js
index fe6fd78..a9ed2f3 100644
--- a/build/MathBox-bundle.min.js
+++ b/build/MathBox-bundle.min.js
@@ -1010,8 +1010,8 @@ m.attrFn&&(m.attrFn[b]=!0);ta.test(b)&&(m.event.fixHooks[b]=m.event.keyHooks);ma
 9!==b.nodeType)return[];if(!a||"string"!=typeof a)return c;var h,k,l,m,q,s,t=!0,Va=r.isXML(b),w=[],y=a;do if(d.exec(""),h=d.exec(y))if(y=h[3],w.push(h[1]),h[2]){m=h[3];break}while(h);if(1<w.length&&v.exec(a))if(2===w.length&&u.relative[w[0]])k=B(w[0]+w[1],b,e);else for(k=u.relative[w[0]]?[b]:r(w.shift(),b);w.length;)a=w.shift(),u.relative[a]&&(a+=w.shift()),k=B(a,k,e);else if(!e&&1<w.length&&9===b.nodeType&&!Va&&u.match.ID.test(w[0])&&!u.match.ID.test(w[w.length-1])&&(q=r.find(w.shift(),b,Va),b=q.expr?
 r.filter(q.expr,q.set)[0]:q.set[0]),b)for(q=e?{expr:w.pop(),set:x(e)}:r.find(w.pop(),1!==w.length||"~"!==w[0]&&"+"!==w[0]||!b.parentNode?b:b.parentNode,Va),k=q.expr?r.filter(q.expr,q.set):q.set,0<w.length?l=x(k):t=!1;w.length;)h=s=w.pop(),u.relative[s]?h=w.pop():s="",null==h&&(h=b),u.relative[s](l,h,Va);else l=[];l||(l=k);l||r.error(s||a);if("[object Array]"===g.call(l))if(t)if(b&&1===b.nodeType)for(a=0;null!=l[a];a++)l[a]&&(!0===l[a]||1===l[a].nodeType&&r.contains(b,l[a]))&&c.push(k[a]);else for(a=
 0;null!=l[a];a++)l[a]&&1===l[a].nodeType&&c.push(k[a]);else c.push.apply(c,l);else x(l,c);m&&(r(m,f,c,e),r.uniqueSort(c));return c};r.uniqueSort=function(a){if(A&&(h=k,a.sort(A),h))for(var b=1;b<a.length;b++)a[b]===a[b-1]&&a.splice(b--,1);return a};r.matches=function(a,b){return r(a,null,null,b)};r.matchesSelector=function(a,b){return 0<r(b,null,null,[a]).length};r.find=function(a,b,c){var d,e,f,g,h,k;if(!a)return[];e=0;for(f=u.order.length;e<f;e++)if(h=u.order[e],g=u.leftMatch[h].exec(a))if(k=g[1],
-g.splice(1,1),"\\"!==k.substr(k.length-1)&&(g[1]=(g[1]||"").replace(l,""),d=u.find[h](g,b,c),null!=d)){a=a.replace(u.match[h],"");break}d||(d="undefined"!=typeof b.getElementsByTagName?b.getElementsByTagName("*"):[]);return{set:d,expr:a}};r.filter=function(a,c,d,e){for(var f,g,h,k,l,m,q,s,t=a,Va=[],v=c,w=c&&c[0]&&r.isXML(c[0]);a&&c.length;){for(h in u.filter)if(null!=(f=u.leftMatch[h].exec(a))&&f[2]&&(m=u.filter[h],l=f[1],g=!1,f.splice(1,1),"\\"!==l.substr(l.length-1))){v===Va&&(Va=[]);if(u.preFilter[h])if(f=
-u.preFilter[h](f,v,d,Va,e,w),!f)g=k=!0;else if(!0===f)continue;if(f)for(q=0;null!=(l=v[q]);q++)l&&(k=m(l,f,q,v),s=e^k,d&&null!=k?s?g=!0:v[q]=!1:s&&(Va.push(l),g=!0));if(k!==b){d||(v=Va);a=a.replace(u.match[h],"");if(!g)return[];break}}if(a===t)if(null==g)r.error(a);else break;t=a}return v};r.error=function(a){throw Error("Syntax error, unrecognized expression: "+a);};var t=r.getText=function(a){var b,c;b=a.nodeType;var d="";if(b)if(1===b||9===b||11===b){if("string"==typeof a.textContent)return a.textContent;
+g.splice(1,1),"\\"!==k.substr(k.length-1)&&(g[1]=(g[1]||"").replace(l,""),d=u.find[h](g,b,c),null!=d)){a=a.replace(u.match[h],"");break}d||(d="undefined"!=typeof b.getElementsByTagName?b.getElementsByTagName("*"):[]);return{set:d,expr:a}};r.filter=function(a,c,d,e){for(var f,g,h,l,k,m,q,s,t=a,Va=[],v=c,w=c&&c[0]&&r.isXML(c[0]);a&&c.length;){for(h in u.filter)if(null!=(f=u.leftMatch[h].exec(a))&&f[2]&&(m=u.filter[h],k=f[1],g=!1,f.splice(1,1),"\\"!==k.substr(k.length-1))){v===Va&&(Va=[]);if(u.preFilter[h])if(f=
+u.preFilter[h](f,v,d,Va,e,w),!f)g=l=!0;else if(!0===f)continue;if(f)for(q=0;null!=(k=v[q]);q++)k&&(l=m(k,f,q,v),s=e^l,d&&null!=l?s?g=!0:v[q]=!1:s&&(Va.push(k),g=!0));if(l!==b){d||(v=Va);a=a.replace(u.match[h],"");if(!g)return[];break}}if(a===t)if(null==g)r.error(a);else break;t=a}return v};r.error=function(a){throw Error("Syntax error, unrecognized expression: "+a);};var t=r.getText=function(a){var b,c;b=a.nodeType;var d="";if(b)if(1===b||9===b||11===b){if("string"==typeof a.textContent)return a.textContent;
 if("string"==typeof a.innerText)return a.innerText.replace(q,"");for(a=a.firstChild;a;a=a.nextSibling)d+=t(a)}else{if(3===b||4===b)return a.nodeValue}else for(b=0;c=a[b];b++)8!==c.nodeType&&(d+=t(c));return d},u=r.selectors={order:["ID","NAME","TAG"],match:{ID:/#((?:[\w\u00c0-\uFFFF\-]|\\.)+)/,CLASS:/\.((?:[\w\u00c0-\uFFFF\-]|\\.)+)/,NAME:/\[name=['"]*((?:[\w\u00c0-\uFFFF\-]|\\.)+)['"]*\]/,ATTR:/\[\s*((?:[\w\u00c0-\uFFFF\-]|\\.)+)\s*(?:(\S?=)\s*(?:(['"])(.*?)\3|(#?(?:[\w\u00c0-\uFFFF\-]|\\.)*)|)|)\s*\]/,
 TAG:/^((?:[\w\u00c0-\uFFFF\*\-]|\\.)+)/,CHILD:/:(only|nth|last|first)-child(?:\(\s*(even|odd|(?:[+\-]?\d+|(?:[+\-]?\d*)?n\s*(?:[+\-]\s*\d+)?))\s*\))?/,POS:/:(nth|eq|gt|lt|first|last|even|odd)(?:\((\d*)\))?(?=[^\-]|$)/,PSEUDO:/:((?:[\w\u00c0-\uFFFF\-]|\\.)+)(?:\((['"]?)((?:\([^\)]+\)|[^\(\)]*)+)\2\))?/},leftMatch:{},attrMap:{"class":"className","for":"htmlFor"},attrHandle:{href:function(a){return a.getAttribute("href")},type:function(a){return a.getAttribute("type")}},relative:{"+":function(a,b){var c=
 "string"==typeof b,d=c&&!s.test(b),c=c&&!d;d&&(b=b.toLowerCase());for(var d=0,e=a.length,f;d<e;d++)if(f=a[d]){for(;(f=f.previousSibling)&&1!==f.nodeType;);a[d]=c||f&&f.nodeName.toLowerCase()===b?f||!1:f===b}c&&r.filter(b,a,!0)},">":function(a,b){var c,d="string"==typeof b,e=0,f=a.length;if(d&&!s.test(b))for(b=b.toLowerCase();e<f;e++){if(c=a[e])c=c.parentNode,a[e]=c.nodeName.toLowerCase()===b?c:!1}else{for(;e<f;e++)(c=a[e])&&(a[e]=d?c.parentNode:c.parentNode===b);d&&r.filter(b,a,!0)}},"":function(b,
@@ -1275,8 +1275,8 @@ q)/(g[0]-1),v=(c[1][1]-s)/(g[1]-1),u=0;_.loop(g[1],function(b){q=c[0][0];_.loop(
 this.points.set(k)}});MathBox.Primitive.types.bezierSurface=MathBox.BezierSurface;MathBox.Platonic=function(a){null!==a&&MathBox.Primitive.call(this,a)};
 MathBox.Platonic.prototype=_.extend(new MathBox.Primitive(null),{defaults:function(){return{n:1,type:"cube",points:!1,line:!1,mesh:!0,doubleSided:!0,flipSided:!1,shaded:!0,style:{}}},type:function(){return"platonic"},renderables:function(){return[this.mesh,this.line,this.points]},adjust:function(a){a=this.get();this.mesh.show(a.mesh);this.line.show(a.line);this.points.show(a.points)},make:function(){var a=this.get(),b=this.style,c;switch(a.type){case "cube":c=new THREE.CubeGeometry(2,2,2,1,1,1)}this.mesh=
 new MathBox.Renderable.Mesh(c,{type:"mesh",doubleSided:a.doubleSided,flipSided:a.flipSided,shaded:a.shaded,smooth:!1,dynamic:a.live},b);this.line=new MathBox.Renderable.Mesh(c,{type:"mesh",shaded:a.shaded,smooth:!1,dynamic:a.live,wireframe:!0},b);this.points=new MathBox.Renderable.Mesh(c.vertices,{type:"points",dynamic:a.live},b)}});MathBox.Primitive.types.platonic=MathBox.Platonic;MathBox.Label=function(a){null!==a&&MathBox.Primitive.call(this,a)};
-MathBox.Label.prototype=_.extend(new MathBox.Primitive(null),{defaults:function(){return{position:[0,0,0],facing:1,distance:15,style:{color:new THREE.Color(7368816)},text:""}},renderables:function(){return[this.labels]},type:function(){return"label"},adjust:function(a,b){var c=this.get(),d=[0,0,0];d[c.facing]=1;var e=this.labelTangent;e.set.apply(e,d);d=this.labelPoint;d.set.apply(d,c.position);this.labels.show(!0)},make:function(){var a=this.get(),b=a.position,c=a.text,d=a.distance,a=this.style,
-e=this.labelTangent=new THREE.Vector3,f=this.labelPoint=new THREE.Vector3,d={dynamic:!0,distance:d};f.set.apply(f,b);b=function(a){return c}.bind(this);this.labels=new MathBox.Renderable.Labels([f],e,b,d,a)}});MathBox.Label.validateArgs=function(a){return a};MathBox.Primitive.types.label=MathBox.Label;
+MathBox.Label.prototype=_.extend(new MathBox.Primitive(null),{defaults:function(){return{position:[0,0,0],facing:1,distance:15,style:{color:new THREE.Color(7368816)},class_name:"mathbox-labels",text:""}},renderables:function(){return[this.labels]},type:function(){return"label"},adjust:function(a,b){var c=this.get(),d=[0,0,0];d[c.facing]=1;var e=this.labelTangent;e.set.apply(e,d);d=this.labelPoint;d.set.apply(d,c.position);this.labels.show(!0)},make:function(){var a=this.get(),b=a.position,c=a.text,
+d=a.distance,e=a.class_name,a=this.style,f=this.labelTangent=new THREE.Vector3,g=this.labelPoint=new THREE.Vector3,d={dynamic:!0,distance:d,class_name:e};g.set.apply(g,b);b=function(a){return c}.bind(this);this.labels=new MathBox.Renderable.Labels([g],f,b,d,a)}});MathBox.Label.validateArgs=function(a){return a};MathBox.Primitive.types.label=MathBox.Label;
 MathBox.Renderable=function(a,b){if(null!==a){this.id=++MathBox.Renderable.id;var c=this.defaults();a&&(a=_.extend(c,a||{}));this.set(a||c);this.geometry=this.material=this.object=null;this.visible=!0;this.style=b||new MathBox.Style;this.style.on("change",this.styleCallback=this.refreshStyle.bind(this));this.on("change",this.uniformsCallback=this.refreshOptions.bind(this));this.mathTransform=new THREE.Matrix4}};MathBox.Renderable.id=0;
 MathBox.Renderable.prototype={defaults:function(){return{}},make:function(a){},destroy:function(){},show:function(a){a=void 0===a?!0:!!a;a!=this.visible&&(this.visible=a,this.refresh())},isVisible:function(){return this.object&&this.object.visible},composeTransform:function(a,b,c){var d=THREE.Matrix4.__m1,e=THREE.Matrix4.__m2;d.identity();d.setRotationFromEuler(b,this.object.eulerOrder);e.makeScale(c.x,c.y,c.z);this.mathTransform.multiply(d,e);b=this.mathTransform.elements;b[12]=a.x;b[13]=a.y;b[14]=
 a.z},refreshStyle:function(a){var b=this.style.get();a=a||b;this.material&&this.material.applyUniforms(a);if(this.object){this.object.frustumCulled=!1;a.worldPosition&&(this.object.position=b.worldPosition);a.worldRotation&&(this.object.rotation=b.worldRotation);a.worldScale&&(this.object.scale=b.worldScale);if(a.mathPosition||a.mathRotation||a.mathScale)this.composeTransform(b.mathPosition,b.mathRotation,b.mathScale),this.material&&this.material.applyUniforms({mathTransform:this.mathTransform});
@@ -1290,9 +1290,9 @@ this.diff),b=b.size,e=(new THREE.Matrix4(f.x,d.x,g.x,e.x,f.y,d.y,g.y,e.y,f.z,d.z
 MathBox.Renderable.Ticks=function(a,b,c,d,e){this.points=a;this.signs=b;this.epsilon=c;MathBox.Renderable.call(this,d,e)};
 MathBox.Renderable.Ticks.prototype=_.extend(new MathBox.Renderable(null),{defaults:function(){return{dynamic:!1,absolute:!1,size:0.1}},make:function(a){var b=this.get(),c=this.points;a=this.material=a.generic({type:"line",shaders:{position:function(a,c){c.position(a,b);a.snippet("tickVertexSplit");a.group();c.viewport(a);a.next();c.viewport(a);a.combine();a.snippet("tickVertexJoin")}}});var d=this.geometry=new THREE.Geometry;d.vertices=c;this.object=new THREE.Line(d,a,THREE.LinePieces);this.refresh()},
 adjust:function(a){var b=this.get();this.material&&this.material.applyAttributes({tickSign:this.signs});this.material&&this.material.applyUniforms({tickEpsilon:this.epsilon,tickSize:b.size});b.dynamic&&(this.material.attributes.tickSign.needsUpdate=!0,this.geometry.verticesNeedUpdate=!0);MathBox.Renderable.prototype.adjust.call(this,a)}});MathBox.Renderable.Labels=function(a,b,c,d,e){this.points=a;this.tangent=b;this.callback=c;this.sprites=[];MathBox.Renderable.call(this,d,e)};
-MathBox.Renderable.Labels.prototype=_.extend(new MathBox.Renderable(null),{defaults:function(){return{absolute:!0,distance:15,size:1}},make:function(a){this.get();var b=this.tangent,c=this.sprites;a=this.points.length;this._anchor=new THREE.Vector3;var d=document.createElement("div"),e=this.object=new MathBox.Sprite(d);d.className="mathbox-labels";_.loop(a,function(a){a=document.createElement("div");var d=document.createElement("div");a.appendChild(d);var h=new MathBox.Sprite(a,b);a.className="mathbox-label";
-d.className="mathbox-wrap";d.style.position="relative";d.style.display="inline-block";d.style.left="-50%";d.style.top="-.5em";c.push(h);e.add(h)})},adjust:function(a,b,c,d,e){var f=this.get(),g=this.points;b=this.sprites;var h=this.callback,l=f.decimals,k=this.style.get("opacity"),q=window.MathJax&&MathJax.Hub,s=1/Math.log(10);_.each(b,function(b,c){b.position.copy(g[c]);a.to(b.position);e.matrix.multiplyVector3(b.position);b.distance=f.distance;b.opacity=k;var d="";if(h){d=h(c);void 0===d&&(d="");
-if(+d==d){var w=+d;if(0!=w)var d=0>w?-1:1,w=Math.abs(w),x=Math.pow(10,l-1-Math.floor(Math.log(w)*s)),d=w=d*Math.round(x*w)/x}q||(d=(""+d).replace(/^-/,"\u2013"))}b.content!==d&&(w=b.element.children[0],b.content=d,b.measure=!0,q?(w.innerHTML="\\("+d+"\\)",MathJax.Hub.queue.Push(["Typeset",MathJax.Hub,w])):w.innerHTML=d)});MathBox.Renderable.prototype.adjust.call(this,a)}});
+MathBox.Renderable.Labels.prototype=_.extend(new MathBox.Renderable(null),{defaults:function(){return{absolute:!0,distance:15,size:1,class_name:"mathbox-labels"}},make:function(a){a=this.get();var b=this.tangent,c=this.sprites,d=a.class_name;a=this.points.length;this._anchor=new THREE.Vector3;var e=document.createElement("div"),f=this.object=new MathBox.Sprite(e);e.className=d;_.loop(a,function(a){a=document.createElement("div");var e=document.createElement("div");a.appendChild(e);var l=new MathBox.Sprite(a,
+b);"mathbox-labels"==d&&(a.className="mathbox-label");e.className="mathbox-wrap";e.style.position="relative";e.style.display="inline-block";e.style.left="-50%";e.style.top="-.5em";c.push(l);f.add(l)})},adjust:function(a,b,c,d,e){var f=this.get(),g=this.points;b=this.sprites;var h=this.callback,l=f.decimals,k=this.style.get("opacity"),q=window.MathJax&&MathJax.Hub,s=1/Math.log(10);_.each(b,function(b,c){b.position.copy(g[c]);a.to(b.position);e.matrix.multiplyVector3(b.position);b.distance=f.distance;
+b.opacity=k;var d="";if(h){d=h(c);void 0===d&&(d="");if(+d==d){var w=+d;if(0!=w)var d=0>w?-1:1,w=Math.abs(w),x=Math.pow(10,l-1-Math.floor(Math.log(w)*s)),d=w=d*Math.round(x*w)/x}q||(d=(""+d).replace(/^-/,"\u2013"))}b.content!==d&&(w=b.element.children[0],b.content=d,b.measure=!0,q?(w.innerHTML="\\("+d+"\\)",MathJax.Hub.queue.Push(["Typeset",MathJax.Hub,w])):w.innerHTML=d)});MathBox.Renderable.prototype.adjust.call(this,a)}});
 MathBox.Viewport=function(a){if(null!==a){var b=this.defaults();a=_.extend(b,a||{});this.set(a);this.singleton="viewport";this._uniforms={}}};
 MathBox.Viewport.prototype={defaults:function(){return{type:"none",rotation:[0,0,0],position:[0,0,0]}},uniforms:function(){return this._uniforms},axis:function(a){return[0,1]},to:function(a){},from:function(a){},update:function(a){var b=this.get();_.each(["position","rotation"],function(c){a[c].set.apply(a[c],b[c])})},shader:function(a){a.snippet("mathToWorld")},validateRotation:function(a){return a.constructor==Array?(a=a.concat([0,0,0]),a.slice(0,3)):this.get("rotation")},validatePosition:function(a){return a.constructor==
 Array?(a=a.concat([0,0,0]),a.slice(0,3)):this.get("position")}};MathBox.Attributes.mixin(MathBox.Viewport,"type");MathBox.Viewport.types={};MathBox.Viewport.make=function(a){return new (MathBox.Viewport.types[a.type]||MathBox.Viewport.types.cartesian||MathBox.Viewport)(a)};
diff --git a/build/MathBox-core.js b/build/MathBox-core.js
index 9227d07..8d217d9 100644
--- a/build/MathBox-core.js
+++ b/build/MathBox-core.js
@@ -3661,6 +3661,7 @@ MathBox.Label.prototype = _.extend(new MathBox.Primitive(null), {
       style: {
         color: new THREE.Color(0x707070),
       },
+      class_name: 'mathbox-labels',	// allow user to change css class of labels div
       text: ""
     };
   },
@@ -3695,11 +3696,12 @@ MathBox.Label.prototype = _.extend(new MathBox.Primitive(null), {
       position = options.position,
       text = options.text,
       distance = options.distance,
+      class_name = options.class_name,
       style = this.style,
     labelTangent = this.labelTangent = new THREE.Vector3(),
       labelPoint  = this.labelPoint = new THREE.Vector3();
 
-    var labelOptions = { dynamic: true, distance: distance };
+    var labelOptions = { dynamic: true, distance: distance, class_name: class_name };
     labelPoint.set.apply(labelPoint, position)
     // label text callback
     var callback = function (i) {
@@ -4165,7 +4167,8 @@ MathBox.Renderable.Labels.prototype = _.extend(new MathBox.Renderable(null), {
     return {
       absolute: true,
       distance: 15,
-      size: 1//,
+      size: 1,
+      class_name: 'mathbox-labels' //,
     };
   },
 
@@ -4174,6 +4177,7 @@ MathBox.Renderable.Labels.prototype = _.extend(new MathBox.Renderable(null), {
         points = this.points,
         tangent = this.tangent,
         sprites = this.sprites,
+        class_name = options.class_name,
         n = this.points.length;
 
     // Reusable vector for later.
@@ -4182,7 +4186,7 @@ MathBox.Renderable.Labels.prototype = _.extend(new MathBox.Renderable(null), {
     // Make parent object to hold all the label divs in one Object3D.
     var element = document.createElement('div');
     var object = this.object = new MathBox.Sprite(element);
-    element.className = 'mathbox-labels';
+    element.className = class_name;
 
     // Make sprites for all labels
     _.loop(n, function (i) {
@@ -4195,7 +4199,9 @@ MathBox.Renderable.Labels.prototype = _.extend(new MathBox.Renderable(null), {
       var sprite = new MathBox.Sprite(element, tangent);
 
       // Position at anchor point
-      element.className = 'mathbox-label';
+      if (class_name == "mathbox-labels"){
+	  element.className = 'mathbox-label';
+      }
       inner.className = 'mathbox-wrap';
       inner.style.position = 'relative';
       inner.style.display = 'inline-block';
diff --git a/build/MathBox-core.min.js b/build/MathBox-core.min.js
index b85167c..9f0af85 100644
--- a/build/MathBox-core.min.js
+++ b/build/MathBox-core.min.js
@@ -1,45 +1,45 @@
 var \u03c0=Math.PI,\u03c4=2*\u03c0;(function(a){for(var b in a)if(!window[b])throw"Error: MathBox requires "+a[b];})({THREE:"Three.js",tQuery:"tQuery.js (bundle)",ThreeBox:"ThreeBox.js",ThreeRTT:"ThreeRTT.js"});window.MathBox={};window.mathBox=function(a,b){!a||a instanceof Node||(b=a,a=null);return tQuery.createWorld(b).mathBox(a,b)};MathBox.getShader=function(a){var b=document.getElementById(a);return b&&b.textContent||a};Math.sign=function(a){return 0<a?1:0>a?-1:0};MathBox.Attributes=function(){};
-MathBox.Attributes.prototype={get:function(a){return void 0===a?this.__attributes||{}:this.__attributes?this.__attributes[a]:void 0},set:function(a,b){function c(a,b){try{b=k(a,b),d[a]=b,f[a]=b}catch(c){throw"Exception setting '"+a+"' to '"+b+"': "+c;}}this.__attributes||(this.__attributes={});this.__validators||(this.__validators={});var d={},e=this.__validators,f=this.__attributes,h=this,k=function(a,b){if(void 0===e[a]){var c="validate"+a.charAt(0).toUpperCase()+a.slice(1);e[a]=h[c]||!1}return e[a]?
-e[a].call(this,b):b}.bind(this);void 0!==a&&null!==a&&(a.constructor==String?c(a,b):_.each(a,function(a,b){c(b,a)}),this.emit("change",d))}};MicroEvent.mixin(MathBox.Attributes);MathBox.Attributes.mixin=function(a){_.each(["get","set","on","emit"],function(b){a.prototype[b]=MathBox.Attributes.prototype[b]})};MathBox.Animator=function(){this.active=[]};MathBox.Animator.now=1;
-MathBox.Animator.prototype={finalState:function(a){var b=_.extend({},a.get());a.__queue&&_.each(a.__queue,function(a,d){_.each(a,function(a){a.to&&(b[d]=a.to)})});return b},attach:function(a){if(!a.__queue){if(!a.__attributes)throw"Cannot attach to object without attributes";var b=this,c=a.set;a.set=function(a,e,f){if(!f){f=a;if(void 0===a||null===a)return;a.constructor==String&&(f={},f[a]=e);b.stop(this,f)}c.call(this,a,e)};a.__queue={};a.__animations=0}},hurry:function(a,b,c){c=c||4;_.each(b||a.__queue,
-function(b,e){_.each(a.__queue[e],function(a){a.hurry(c)})}.bind(this))},stop:function(a,b){_.each(b||a.__queue,function(b,d){for(;a.__queue[d];)this.dequeue(a,d,!0)}.bind(this))},animate:function(a,b,c){c=_.extend({duration:300},c||{});this.attach(a);_.each(b,function(b,e){var f=a.__queue[e]=a.__queue[e]||[];if(c.delay){var h=new MathBox.Animator.Delay(a,e,c.delay);f.push(h);0==a.__animations++&&this.active.push(a)}a.__validators[e]&&(b=a.__validators[e].call(a,b));h=new MathBox.Animator.Animation(a,
-e,b,c.duration,c.callback,c.ease);f.push(h);c.hold&&(h=new MathBox.Animator.Delay(a,e,c.hold),f.push(h),0==a.__animations++&&this.active.push(a));0==a.__animations++&&this.active.push(a)}.bind(this))},dequeue:function(a,b,c){var d=a.__queue[b];if(d){var e=d.shift();0==d.length&&delete a.__queue[b];c&&e.skip();0==--a.__animations&&this.active.splice(this.active.indexOf(a),1)}},update:function(a){MathBox.Animator.now+=a;a=this.active.slice();_.each(a,function(a){var c=0;_.each(a.__queue,function e(f,
-h){var k=f[0];value=k.apply(c||0);k.done()&&(c=k.extra(),this.dequeue(a,h),f[0]&&e.call(this,f,h))}.bind(this))}.bind(this))}};MathBox.Animator.Delay=function(a,b,c){this.object=a;this.key=b;this.duration=c;this.fraction=this.start=0};
+MathBox.Attributes.prototype={get:function(a){return void 0===a?this.__attributes||{}:this.__attributes?this.__attributes[a]:void 0},set:function(a,b){function c(a,b){try{b=k(a,b),e[a]=b,g[a]=b}catch(c){throw"Exception setting '"+a+"' to '"+b+"': "+c;}}this.__attributes||(this.__attributes={});this.__validators||(this.__validators={});var e={},d=this.__validators,g=this.__attributes,h=this,k=function(a,b){if(void 0===d[a]){var c="validate"+a.charAt(0).toUpperCase()+a.slice(1);d[a]=h[c]||!1}return d[a]?
+d[a].call(this,b):b}.bind(this);void 0!==a&&null!==a&&(a.constructor==String?c(a,b):_.each(a,function(a,b){c(b,a)}),this.emit("change",e))}};MicroEvent.mixin(MathBox.Attributes);MathBox.Attributes.mixin=function(a){_.each(["get","set","on","emit"],function(b){a.prototype[b]=MathBox.Attributes.prototype[b]})};MathBox.Animator=function(){this.active=[]};MathBox.Animator.now=1;
+MathBox.Animator.prototype={finalState:function(a){var b=_.extend({},a.get());a.__queue&&_.each(a.__queue,function(a,e){_.each(a,function(a){a.to&&(b[e]=a.to)})});return b},attach:function(a){if(!a.__queue){if(!a.__attributes)throw"Cannot attach to object without attributes";var b=this,c=a.set;a.set=function(a,d,g){if(!g){g=a;if(void 0===a||null===a)return;a.constructor==String&&(g={},g[a]=d);b.stop(this,g)}c.call(this,a,d)};a.__queue={};a.__animations=0}},hurry:function(a,b,c){c=c||4;_.each(b||a.__queue,
+function(b,d){_.each(a.__queue[d],function(a){a.hurry(c)})}.bind(this))},stop:function(a,b){_.each(b||a.__queue,function(b,e){for(;a.__queue[e];)this.dequeue(a,e,!0)}.bind(this))},animate:function(a,b,c){c=_.extend({duration:300},c||{});this.attach(a);_.each(b,function(b,d){var g=a.__queue[d]=a.__queue[d]||[];if(c.delay){var h=new MathBox.Animator.Delay(a,d,c.delay);g.push(h);0==a.__animations++&&this.active.push(a)}a.__validators[d]&&(b=a.__validators[d].call(a,b));h=new MathBox.Animator.Animation(a,
+d,b,c.duration,c.callback,c.ease);g.push(h);c.hold&&(h=new MathBox.Animator.Delay(a,d,c.hold),g.push(h),0==a.__animations++&&this.active.push(a));0==a.__animations++&&this.active.push(a)}.bind(this))},dequeue:function(a,b,c){var e=a.__queue[b];if(e){var d=e.shift();0==e.length&&delete a.__queue[b];c&&d.skip();0==--a.__animations&&this.active.splice(this.active.indexOf(a),1)}},update:function(a){MathBox.Animator.now+=a;a=this.active.slice();_.each(a,function(a){var c=0;_.each(a.__queue,function d(g,
+h){var k=g[0];value=k.apply(c||0);k.done()&&(c=k.extra(),this.dequeue(a,h),g[0]&&d.call(this,g,h))}.bind(this))}.bind(this))}};MathBox.Animator.Delay=function(a,b,c){this.object=a;this.key=b;this.duration=c;this.fraction=this.start=0};
 MathBox.Animator.Delay.prototype={init:function(a){this.start=MathBox.Animator.now-(a||0)},apply:function(a){this.start||this.init(a);this.fraction=0<this.duration?Math.min(1,(MathBox.Animator.now-this.start)/this.duration):1},skip:function(){this.duration=0},hurry:function(a){this.duration=this.duration*this.fraction+this.duration*(1-this.fraction)/a},extra:function(){return MathBox.Animator.now-this.start-this.duration},done:function(){return 1==this.fraction}};
-MathBox.Animator.Animation=function(a,b,c,d,e,f){this.object=a;this.key=b;this.from=null;this.to=c;this.duration=d;this.fraction=this.start=0;this.callback=e;this.ease=f};
-MathBox.Animator.Animation.prototype={init:function(a){this.start=MathBox.Animator.now-(a||0);null===this.from&&(this.from=this.object.get(this.key));void 0===this.from&&(this.from=0)},apply:function(a){function b(a,b){return a+(b-a)*g}function c(a,e){void 0===e&&(e=a);void 0===a&&(a=e);if(e===a)return a;if(typeof a!=typeof e)throw console.log(d,f),"Data type mismatch between from/to values in animator. "+f+": "+a+" ("+a.constructor+"), "+e+"("+e.constructor+")";var g;switch(typeof e){default:case "string":throw"Unimplemented value type in animator. ("+
-typeof e+")";case "function":return function(){return c(a.apply(this,arguments),e.apply(this,arguments))};case "boolean":return 0.5<k?e:a;case "number":return b(a,e);case "object":if(!a)return e;if(!e)return a;if(e.constructor==Array)return g=[],_.loop(a.length,function(b){g[b]=c(a[b],e[b])}),g;if(e.constructor==THREE.Matrix4){g=new THREE.Matrix4;for(var h=0;16>h;++h)g.elements[h]=b(a.elements[h],e.elements[h]);return g}return e.constructor==THREE.Vector3?(g=new THREE.Vector3,g.x=b(a.x,e.x),g.y=b(a.y,
-e.y),g.z=b(a.z,e.z),g):e.constructor==THREE.Color?(g=new THREE.Color,g.r=b(a.r,e.r),g.g=b(a.g,e.g),g.b=b(a.b,e.b),g):0.5<k?e:a}}this.start||this.init(a);var d=this.object;a=this.from;var e=this.to,f=this.key,h=this.ease,k;this.fraction=k=0<this.duration?Math.min(1,(MathBox.Animator.now-this.start)/(this.duration||1)):1;var g;switch(h){case "in":g=1-(1-k)*(1-k);break;case "out":g=k*k;break;case "linear":g=k;break;default:g=0.5-0.5*Math.cos(k*\u03c0)}a=c(a,e);this.object.set(this.key,a,!0)},hurry:function(a){this.duration=
+MathBox.Animator.Animation=function(a,b,c,e,d,g){this.object=a;this.key=b;this.from=null;this.to=c;this.duration=e;this.fraction=this.start=0;this.callback=d;this.ease=g};
+MathBox.Animator.Animation.prototype={init:function(a){this.start=MathBox.Animator.now-(a||0);null===this.from&&(this.from=this.object.get(this.key));void 0===this.from&&(this.from=0)},apply:function(a){function b(a,b){return a+(b-a)*f}function c(a,d){void 0===d&&(d=a);void 0===a&&(a=d);if(d===a)return a;if(typeof a!=typeof d)throw console.log(e,g),"Data type mismatch between from/to values in animator. "+g+": "+a+" ("+a.constructor+"), "+d+"("+d.constructor+")";var f;switch(typeof d){default:case "string":throw"Unimplemented value type in animator. ("+
+typeof d+")";case "function":return function(){return c(a.apply(this,arguments),d.apply(this,arguments))};case "boolean":return 0.5<k?d:a;case "number":return b(a,d);case "object":if(!a)return d;if(!d)return a;if(d.constructor==Array)return f=[],_.loop(a.length,function(b){f[b]=c(a[b],d[b])}),f;if(d.constructor==THREE.Matrix4){f=new THREE.Matrix4;for(var h=0;16>h;++h)f.elements[h]=b(a.elements[h],d.elements[h]);return f}return d.constructor==THREE.Vector3?(f=new THREE.Vector3,f.x=b(a.x,d.x),f.y=b(a.y,
+d.y),f.z=b(a.z,d.z),f):d.constructor==THREE.Color?(f=new THREE.Color,f.r=b(a.r,d.r),f.g=b(a.g,d.g),f.b=b(a.b,d.b),f):0.5<k?d:a}}this.start||this.init(a);var e=this.object;a=this.from;var d=this.to,g=this.key,h=this.ease,k;this.fraction=k=0<this.duration?Math.min(1,(MathBox.Animator.now-this.start)/(this.duration||1)):1;var f;switch(h){case "in":f=1-(1-k)*(1-k);break;case "out":f=k*k;break;case "linear":f=k;break;default:f=0.5-0.5*Math.cos(k*\u03c0)}a=c(a,d);this.object.set(this.key,a,!0)},hurry:function(a){this.duration=
 this.duration*this.fraction+this.duration*(1-this.fraction)/a},skip:function(){this.duration=0;this.fraction=1;this.done()},extra:function(){return MathBox.Animator.now-this.start-this.duration},done:function(){return 1==this.fraction?(this.object.set(this.key,this.to,!0),this.callback&&this.callback(),this.callback=null,!0):!1}};
 MathBox.Stage=function(a,b,c){this.options=a=a||{};this._world=b;this.overlay=c;b&&b.on("resize",function(a,b){this.overlay.size(a,b);this.width=a;this.height=b}.bind(this));this.primitives=[];this.materials=new MathBox.Materials(this);this.animator=new MathBox.Animator;this._transition=0;this._speed=1;b&&(this.cameraProxy=new MathBox.CameraProxy(b,this.options));this.viewport({});this.loadPrimitives();void 0!==a.transition&&this.transition(a.transition);void 0!==a.speed&&this.speed(a.speed)};
 MathBox.Stage.prototype=new THREE.Object3D;MathBox.Attributes.mixin(MathBox.Stage);MicroEvent.mixin(MathBox.Stage);
-MathBox.Stage.prototype=_.extend(MathBox.Stage.prototype,{update:function(){var a=this._viewport,b=this._world.tCamera(),c=this.width,d=this.height,e=this._speed;this.cameraProxy.update();var f=+new Date;this.last||(this.last=f-1E3/60);this.animator.update(e*(f-this.last));this.last=f;a.update(this);_.each(this.primitives,function(e){e.adjust(a,b,c,d,this);e=e.renderables();_.each(e,function(e){e.isVisible()&&e.adjust(a,b,c,d,this)}.bind(this))}.bind(this));this.overlay&&this.overlay.update(b)},add:function(a,
+MathBox.Stage.prototype=_.extend(MathBox.Stage.prototype,{update:function(){var a=this._viewport,b=this._world.tCamera(),c=this.width,e=this.height,d=this._speed;this.cameraProxy.update();var g=+new Date;this.last||(this.last=g-1E3/60);this.animator.update(d*(g-this.last));this.last=g;a.update(this);_.each(this.primitives,function(d){d.adjust(a,b,c,e,this);d=d.renderables();_.each(d,function(d){d.isVisible()&&d.adjust(a,b,c,e,this)}.bind(this))}.bind(this));this.overlay&&this.overlay.update(b)},add:function(a,
 b){if(a instanceof THREE.Object3D)return a instanceof MathBox.Sprite?this.overlay.add(a):THREE.Object3D.prototype.add.call(this,a);this._add(a);b=this.animateOptions(b);var c=a.style.get("opacity");b&&0<c&&(a.style.set("opacity",0),this.animator.animate(a.style,{opacity:c},b));return this},remove:function(a,b){if(a instanceof THREE.Object3D)return a instanceof MathBox.Sprite?this.overlay.remove(a):THREE.Object3D.prototype.remove.call(this,a);if("string"==typeof a)return _.each(this.select(a),function(a){this.remove(a,
-b)}.bind(this));if(!a.singleton){var c=function(){this._remove(a)}.bind(this);b=this.animateOptions(b);var d=a.style.get("opacity");b&&0<d?(b.callback=c,this.animator.animate(a.style,{opacity:0},b),a.removed=!0):c();return this}},_add:function(a){var b=this.materials;-1==this.primitives.indexOf(a)&&(this.primitives.push(a),a.make(),a=a.renderables(),_.each(a,function(a){a.make(b);a.object&&this.add(a.object)}.bind(this)))},_remove:function(a){if(-1!=this.primitives.indexOf(a)){this.primitives.splice(this.primitives.indexOf(a),
-1);var b=a.renderables();_.each(b,function(a){a.object&&this.remove(a.object);a.destroy()}.bind(this));a.destroy()}},select:function(a,b){var c=[];if("object"==typeof a)return a.constructor==Array?a:[a];var d=function(a){var c=[];if("*"==a)return c=this.primitives.slice(),c.push(this.viewport()),c.push(this.cameraProxy),c;if(a==+a)return _.each(this.primitives,function(d){!b&&d.removed||d.get("sequence")!=a||c.push(d)}),c;var d=a.match(/^\s*#([a-zA-Z0-9_-]+)|([a-zA-Z0-9_-]+)?\s*$/);if(!d)return[];
-var k=d[2],g=d[1];if(g)_.each(this.primitives,function(a){!b&&a.removed||a.get("id")!=g||c.push(a)});else{if("camera"==k)return this.cameraProxy&&[this.cameraProxy]||[];if("viewport"==k)return[this.viewport()];k&&_.each(this.primitives,function(a){!b&&a.removed||a.type()!=k||c.push(a)})}return c}.bind(this),c=[];a=(""+a).split(",");_.each(a,function(a){c=c.concat(d(a))});return c},set:function(a,b){b=this.extractStyle(b);_.each(this.select(a),function(a){a.set(b);b.style&&a.style.set(b.style)});return this},
+b)}.bind(this));if(!a.singleton){var c=function(){this._remove(a)}.bind(this);b=this.animateOptions(b);var e=a.style.get("opacity");b&&0<e?(b.callback=c,this.animator.animate(a.style,{opacity:0},b),a.removed=!0):c();return this}},_add:function(a){var b=this.materials;-1==this.primitives.indexOf(a)&&(this.primitives.push(a),a.make(),a=a.renderables(),_.each(a,function(a){a.make(b);a.object&&this.add(a.object)}.bind(this)))},_remove:function(a){if(-1!=this.primitives.indexOf(a)){this.primitives.splice(this.primitives.indexOf(a),
+1);var b=a.renderables();_.each(b,function(a){a.object&&this.remove(a.object);a.destroy()}.bind(this));a.destroy()}},select:function(a,b){var c=[];if("object"==typeof a)return a.constructor==Array?a:[a];var e=function(a){var c=[];if("*"==a)return c=this.primitives.slice(),c.push(this.viewport()),c.push(this.cameraProxy),c;if(a==+a)return _.each(this.primitives,function(e){!b&&e.removed||e.get("sequence")!=a||c.push(e)}),c;var e=a.match(/^\s*#([a-zA-Z0-9_-]+)|([a-zA-Z0-9_-]+)?\s*$/);if(!e)return[];
+var k=e[2],f=e[1];if(f)_.each(this.primitives,function(a){!b&&a.removed||a.get("id")!=f||c.push(a)});else{if("camera"==k)return this.cameraProxy&&[this.cameraProxy]||[];if("viewport"==k)return[this.viewport()];k&&_.each(this.primitives,function(a){!b&&a.removed||a.type()!=k||c.push(a)})}return c}.bind(this),c=[];a=(""+a).split(",");_.each(a,function(a){c=c.concat(e(a))});return c},set:function(a,b){b=this.extractStyle(b);_.each(this.select(a),function(a){a.set(b);b.style&&a.style.set(b.style)});return this},
 get:function(a){var b=this.animator;a=this.select(a);if(1>a.length)return{};var c=a[0];a=b.finalState(c);c.style&&(b=b.finalState(c.style),a.style=b);return a},transition:function(a){return void 0!==a?(this._transition=a,this):this._transition},speed:function(a){return void 0!==a?(this._speed=a,this):this._speed},animateOptions:function(a,b){var c=this._transition;!0===a&&(a={});if(c||b||a&&(a.delay||a.duration||a.hold))a=_.extend({delay:0,duration:c||0,hold:0},a||{});if(a&&(a.delay||a.duration||
-a.hold))return a},animate:function(a,b,c){var d=this.animator;b=this.extractStyle(b);c=this.animateOptions(c,!0);b.style&&(_.each(this.select(a),function(a){c?d.animate(a.style,b.style,c):a.style.set(b.style)}),b=_.extend({},b),delete b.style);_.each(this.select(a),function(a){c?d.animate(a,b,c):a.set(b)});return this},clone:function(a,b,c){_.each(this.select(a),function(a){var e=this.get(a);delete e.sequence;var f=_.extend({},b),h=[];_.each(b,function(a,c){if("id"==c||"boolean"==typeof a||null===
-a)e[c]=b[c],h.push(c)});_.each(h,function(a){delete f[a]});e.id==a.get("id")&&(e.id=(e.id||"")+"-clone");a=this.spawn(a.type(),e,{duration:0});this.animate(a,f,c)}.bind(this));return this},hurry:function(a,b,c){var d=this.animator;_.each(this.select(a,!0),function(a){d.hurry(a,b,c);a.style&&d.hurry(a.style,b,c)});return this},halt:function(a,b){var c=this.animator;_.each(this.select(a,!0),function(a){c.stop(a,b);a.style&&c.stop(a.style,b)});return this},viewport:function(a){if(void 0!==a){if(!this._viewport||
+a.hold))return a},animate:function(a,b,c){var e=this.animator;b=this.extractStyle(b);c=this.animateOptions(c,!0);b.style&&(_.each(this.select(a),function(a){c?e.animate(a.style,b.style,c):a.style.set(b.style)}),b=_.extend({},b),delete b.style);_.each(this.select(a),function(a){c?e.animate(a,b,c):a.set(b)});return this},clone:function(a,b,c){_.each(this.select(a),function(a){var d=this.get(a);delete d.sequence;var g=_.extend({},b),h=[];_.each(b,function(a,c){if("id"==c||"boolean"==typeof a||null===
+a)d[c]=b[c],h.push(c)});_.each(h,function(a){delete g[a]});d.id==a.get("id")&&(d.id=(d.id||"")+"-clone");a=this.spawn(a.type(),d,{duration:0});this.animate(a,g,c)}.bind(this));return this},hurry:function(a,b,c){var e=this.animator;_.each(this.select(a,!0),function(a){e.hurry(a,b,c);a.style&&e.hurry(a.style,b,c)});return this},halt:function(a,b){var c=this.animator;_.each(this.select(a,!0),function(a){c.stop(a,b);a.style&&c.stop(a.style,b)});return this},viewport:function(a){if(void 0!==a){if(!this._viewport||
 a.type&&a.type!=this.options.viewport.type){this._viewport&&(a=_.extend({},this._viewport.get(),a));this._viewport=MathBox.Viewport.make(a);a=this.primitives.slice();var b=this;_.each(a,function(a){b._remove(a);b._add(a)})}else this._viewport.set(a);this.options.viewport=this._viewport.get();return this}return this._viewport},camera:function(a){_.each(this.select("camera"),function(b){b.set(a)});return this},start:function(){this._world&&this._world.start();return this},stop:function(){this._world&&
-this._world.stop();return this},world:function(){return this._world},extractStyle:function(a){var b=MathBox.Style.prototype.defaults(),c=null;_.each(a,function(d,e){void 0!==b[e]&&(delete a[e],c=c||{},c[e]=d)});c&&(a.style=_.extend(a.style||{},c));return a},spawn:function(a,b,c){return MathBox.Primitive.types[a]?(this[a](b,c),this.primitives[this.primitives.length-1]):this},loadPrimitives:function(){_.each(MathBox.Primitive.types,function(a,b){this[b]=function(b,d){a.validateArgs&&(b=a.validateArgs(b));
-var e=new a(this.extractStyle(b));this.add(e,d);return this}}.bind(this))}});MathBox.Materials=function(a){this.stage=a;this.cache={}};
-MathBox.Materials.prototype={hash:function(a){var b=Object.keys(a),c="";b.sort();_.each(b,function(b){c+=b+"/";c+=a[b]+"/"});return c},clone:function(a){var b=new THREE.ShaderMaterial({vertexShader:a.vertexShader,fragmentShader:a.fragmentShader});b.attributes=a.attributes?{}:null;b.uniforms={};b.wireframe=a.wireframe;b.applyUniforms=a.applyUniforms;b.applyAttributes=a.applyAttributes;_.each(a.uniforms,function(a,d){b.uniforms[d]={type:a.type,value:a.value&&a.value.clone?a.value.clone():a.value}});
-_.each(a.attributes,function(a,d){b.attributes[d]={type:a.type,value:a.value}});return b},generic:function(a){a=a||{};if(!a.shaders||!Object.keys(a.shaders).length){var b=this.hash(a);if(this.cache[b])return this.clone(this.cache[b])}var c=this.factory(),d=a.shaders||{};d.position?d.position(c,this):(this.position(c,a),a.absolute||(a.shaded&&a.smooth?(c.group(),this.viewport(c),c.next(),this.viewport(c),c.next(),this.viewport(c),c.combine()):this.viewport(c)));a=this.finalize(c,a);b&&(this.cache[b]=
+this._world.stop();return this},world:function(){return this._world},extractStyle:function(a){var b=MathBox.Style.prototype.defaults(),c=null;_.each(a,function(e,d){void 0!==b[d]&&(delete a[d],c=c||{},c[d]=e)});c&&(a.style=_.extend(a.style||{},c));return a},spawn:function(a,b,c){return MathBox.Primitive.types[a]?(this[a](b,c),this.primitives[this.primitives.length-1]):this},loadPrimitives:function(){_.each(MathBox.Primitive.types,function(a,b){this[b]=function(b,e){a.validateArgs&&(b=a.validateArgs(b));
+var d=new a(this.extractStyle(b));this.add(d,e);return this}}.bind(this))}});MathBox.Materials=function(a){this.stage=a;this.cache={}};
+MathBox.Materials.prototype={hash:function(a){var b=Object.keys(a),c="";b.sort();_.each(b,function(b){c+=b+"/";c+=a[b]+"/"});return c},clone:function(a){var b=new THREE.ShaderMaterial({vertexShader:a.vertexShader,fragmentShader:a.fragmentShader});b.attributes=a.attributes?{}:null;b.uniforms={};b.wireframe=a.wireframe;b.applyUniforms=a.applyUniforms;b.applyAttributes=a.applyAttributes;_.each(a.uniforms,function(a,e){b.uniforms[e]={type:a.type,value:a.value&&a.value.clone?a.value.clone():a.value}});
+_.each(a.attributes,function(a,e){b.attributes[e]={type:a.type,value:a.value}});return b},generic:function(a){a=a||{};if(!a.shaders||!Object.keys(a.shaders).length){var b=this.hash(a);if(this.cache[b])return this.clone(this.cache[b])}var c=this.factory(),e=a.shaders||{};e.position?e.position(c,this):(this.position(c,a),a.absolute||(a.shaded&&a.smooth?(c.group(),this.viewport(c),c.next(),this.viewport(c),c.next(),this.viewport(c),c.combine()):this.viewport(c)));a=this.finalize(c,a);b&&(this.cache[b]=
 a);return a},position:function(a,b){b=b||{};a.snippet(b.shaded&&b.smooth?"getPositionDUDV":"getPosition");b.absolute||(b.shaded&&b.smooth?a.group().snippet("mathTransform").next().snippet("mathTransform").next().snippet("mathTransform").combine():a.snippet("mathTransform"));return a},factory:function(){return new ShaderGraph.Factory},finalize:function(a,b){b=b||{};var c=b.shaders||{};b.shaded?b.smooth?a.snippet("projectToViewDUDV"):a.snippet("projectToViewNormal"):a.snippet("projectToView");c.material?
-c.material(a,this):a.material("vertexOutput",{points:"fragmentSolidPoint",mesh:b.shaded?"fragmentShaded":"fragmentSolid"}[b.type]||"fragmentSolid");c=a.end().compile();c=new THREE.ShaderMaterial({uniforms:c.uniforms,attributes:c.attributes,vertexShader:c.vertexShader,fragmentShader:c.fragmentShader});b.wireframe&&(c.wireframe=!0);var d=this.apply.bind(this);c.applyUniforms=function(a){d(this,a,"uniforms")};c.applyAttributes=function(a){d(this,a,"attributes")};return c},apply:function(a,b,c){var d=
-a[c];_.each(b,function(a,b){var c=d[b];c&&(a instanceof THREE.Color&&(a.x=a.r,a.y=a.g,a.z=a.b),c.value=a,c.needsUpdate=!0)});if("uniforms"==c){c=a.uniforms;if(b.map&&(c.texture&&(c.texture.value=b.map),c.offsetRepeat)){var e=b.map.offset,f=b.map.repeat;c.offsetRepeat.value.set(e.x,e.y,f.x,f.y)}void 0!==b.lineWidth&&(a.wireframeLinewidth=a.linewidth=b.lineWidth);void 0!==b.opacity&&(a.transparent=1>b.opacity)}},viewport:function(a,b){this.stage.viewport().shader(a,b)}};
-MathBox.Ticks=function(a,b,c,d,e,f,h){var k=(b-a)/(c||10);d=d||1;e=e||10;var g=d*((h||0)+Math.pow(e,Math.floor(Math.log(k/d)/Math.log(e))));c=_.map(0==e%2?[e/2,1,0.5]:[1],function(a){return g*a});var l=_.reduce(c,function(a,b){return Math.abs(b-k)<Math.abs(a-k)?b:a},g);f=+!f;a=(Math.ceil(a/l)+f)*l;b=(Math.floor(b/l)-f)*l;c=Math.ceil((b-a)/l)+1;var m=[];_.loop(c,function(b){m.push(a+b*l)});return m};MathBox.TicksLog=function(a,b,c,d,e,f){};
-tQuery.World.registerInstance("mathBox",function(a,b){a=a||document.body;this.threeBox(a,b);var c=new MathBox.Overlay;a.appendChild(c.domElement);c.domElement.style.position="absolute";c.domElement.style.left=0;c.domElement.style.top=0;c.domElement.style.right=0;c.domElement.style.bottom=0;var d=new MathBox.Stage(b,this,c),e=function(){d.update()};this.tScene().add(d);this._renderer.setClearColorHex(16777215,1);d.unhook=function(){this.loop().unhookPreRender(e)};this.loop().hookPreRender(e);b.cameraControls||
-(c=this.tCamera(),c.position.x=0,c.position.y=0,c.position.z=b.orbit,c.lookAt(new THREE.Vector3(0,0,0)));return d});MathBox.Director=function(a,b){this._stage=a;this.script=b||[];this.rollback={};this.clocks={};this.time=this.lastCommand=this.step=0;this.lastTime=+new Date};
-MathBox.Director.prototype={clock:function(a,b){if(a>this.step)return 0;var c=+new Date;this.time+=(c-this.lastTime)*this.stage().speed();this.lastTime=c;if(b||!this.clocks[a])this.clocks[a]=this.time;return 0.001*(this.time-this.clocks[a])},invert:function(a){var b=this._stage,c=[],d,e=a[0],f=a[1],h=a[2]||{},k=a[3];"remove"==e&&(k=h);k={delay:k&&void 0!==k.hold?k.hold/4:0,duration:k&&void 0!==k.duration?k.duration/4:0,hold:k&&void 0!==k.delay?k.delay/4:0};switch(e){case "add":d=[0];case "clone":d=
-d||b.select(f);_.each(d,function(a,b){c.push(["remove",h.sequence||MathBox.Primitive.sequence+1+b,k])});break;case "remove":d=b.select(f);_.each(d,function(a){c.push(["add",a.type(),b.get(a),k])});break;case "animate":case "set":d=b.select(f),_.each(d,function(a){var d=b.get(a),f={};for(i in h)f[i]=d.style&&void 0!==d.style[i]?d.style[i]:d[i];c.push([e,a.singleton||a.get("sequence"),f,k])})}return c},invertDelay:function(a){function b(a){var b=a[2]||{},c=["opacity"];if("animate"==a[0])for(d in c=
-[],b)if("style"==d)for(j in b.style)c.push(j);else c.push(d);return c}var c=[],d,e={};a.forEach(function(a){var c=a[0],d=a[1]||"",f=a[2]||{},h=a[3]||{};if("set"==c)return null;"add"==c&&(d=f.sequence);"remove"==c&&(h=f);b(a).forEach(function(a){a=[d,a].join(".");e[a]||(e[a]=[]);h=h||{};e[a].push((h.delay||0)+(h.duration||0)+(h.hold||0))})});var f=0;for(d in e)var h=e[d]=e[d].reduce(function(a,b){return a+b}),f=Math.max(f,h);a.forEach(function(a){var d=a[0],h=a[1]||"",m=a[2]||{},n=a[3]||{},t;if("set"==
-d)return c.push(a);"add"==d&&(t=h,h=m.sequence);"remove"==d&&(n=m);b(a).forEach(function(a){var b=[h,a].join("."),k=n.delay||0,u=n.duration||0,v=n.hold||0;void 0!==e[b]&&(k+=f-e[b],delete e[b]);n={delay:k,duration:u,hold:v};"add"==d&&c.push([d,t,m,n]);"remove"==d?c.push([d,h,n]):(b={},b[a]=m.style&&void 0!==m.style[a]?m.style[a]:m[a],c.push([d,h,b,n]))})});return c},apply:function(a,b,c,d){var e=this._stage;_.each(a,function(a){var h=a[0]||"",k=a[1]||"",g=a[2]||{},l=a[3]||{};"remove"==h&&(l=g);b&&
-(a=this.invert(a),a=[0,0].concat(a),Array.prototype.splice.apply(b,a));d&&l&&(l=_.extend({},l),l.delay/=2,l.duration/=2,l.hold/=2);c&&(l={delay:0,duration:0,hold:0},"animate"==h&&(h="set"));switch(h){case "clone":e.clone(k,g,l);break;case "add":e.spawn(k,g,l);break;case "remove":_.each(e.select(k),function(a){e.remove(a,l)});break;case "set":var h=e.select(k),m=g.constructor==Array;_.each(h,function(a,b){e.set(a,m?g[b]:g)});break;case "animate":h=e.select(k),m=g.constructor==Array,_.each(h,function(a,
-b){e.animate(a,m?g[b]:g,l)})}}.bind(this));return this},insert:function(a){a[0].constructor!=Array&&(a=[a]);this.script.splice(this.step,0,a);this.forward();return this},is:function(a){if(!this.script.length)return!1;for(;0>a;)a+=this.script.length+1;for(;a>=this.script.length+1;)a-=this.script.length+1;return a==this.step},isFirst:function(){return this.is(0)},isLast:function(){return this.is(-1)},go:function(a,b){if(this.script.length){for(;0>a;)a+=this.script.length+1;for(;a>=this.script.length+
-1;)a-=this.script.length+1;for(;a>this.step;)this.forward(b);for(;a<this.step;)this.back(b)}},skipping:function(){var a=+new Date,b=!1;500>a-this.lastCommand&&(b=!0);this.stage().hurry("*");this.lastCommand=a;return b},forward:function(a,b){if(!(this.step>=this.script.length)){var c=this.step,d=this.script[c],e=this.rollback[c]=[];this.step++;var f=function(){this.apply(d,e,a,a?!1:this.skipping());this.rollback[c]=this.invertDelay(e);this.clock(c+1,!0);this.emit("go",c+1,1)}.bind(this);b?setTimeout(f,
-+b):f();return this}},back:function(a,b){if(!(0>=this.step)){this.step--;var c=this.step,d=this.rollback[c],e=function(){this.apply(d,null,a||this.skipping());delete this.rollback[c];this.emit("go",c,-1)}.bind(this);b?setTimeout(e,+b):e();return this}},stage:function(){return this._stage}};_.each(MathBox.Stage.prototype,function(a,b){MathBox.Director.prototype[b]||(MathBox.Director.prototype[b]=function(){var b=this.stage[a].apply(this.stage,arguments);return b===this.stage?this:b})});MicroEvent.mixin(MathBox.Director);
+c.material(a,this):a.material("vertexOutput",{points:"fragmentSolidPoint",mesh:b.shaded?"fragmentShaded":"fragmentSolid"}[b.type]||"fragmentSolid");c=a.end().compile();c=new THREE.ShaderMaterial({uniforms:c.uniforms,attributes:c.attributes,vertexShader:c.vertexShader,fragmentShader:c.fragmentShader});b.wireframe&&(c.wireframe=!0);var e=this.apply.bind(this);c.applyUniforms=function(a){e(this,a,"uniforms")};c.applyAttributes=function(a){e(this,a,"attributes")};return c},apply:function(a,b,c){var e=
+a[c];_.each(b,function(a,b){var c=e[b];c&&(a instanceof THREE.Color&&(a.x=a.r,a.y=a.g,a.z=a.b),c.value=a,c.needsUpdate=!0)});if("uniforms"==c){c=a.uniforms;if(b.map&&(c.texture&&(c.texture.value=b.map),c.offsetRepeat)){var d=b.map.offset,g=b.map.repeat;c.offsetRepeat.value.set(d.x,d.y,g.x,g.y)}void 0!==b.lineWidth&&(a.wireframeLinewidth=a.linewidth=b.lineWidth);void 0!==b.opacity&&(a.transparent=1>b.opacity)}},viewport:function(a,b){this.stage.viewport().shader(a,b)}};
+MathBox.Ticks=function(a,b,c,e,d,g,h){var k=(b-a)/(c||10);e=e||1;d=d||10;var f=e*((h||0)+Math.pow(d,Math.floor(Math.log(k/e)/Math.log(d))));c=_.map(0==d%2?[d/2,1,0.5]:[1],function(a){return f*a});var l=_.reduce(c,function(a,b){return Math.abs(b-k)<Math.abs(a-k)?b:a},f);g=+!g;a=(Math.ceil(a/l)+g)*l;b=(Math.floor(b/l)-g)*l;c=Math.ceil((b-a)/l)+1;var m=[];_.loop(c,function(b){m.push(a+b*l)});return m};MathBox.TicksLog=function(a,b,c,e,d,g){};
+tQuery.World.registerInstance("mathBox",function(a,b){a=a||document.body;this.threeBox(a,b);var c=new MathBox.Overlay;a.appendChild(c.domElement);c.domElement.style.position="absolute";c.domElement.style.left=0;c.domElement.style.top=0;c.domElement.style.right=0;c.domElement.style.bottom=0;var e=new MathBox.Stage(b,this,c),d=function(){e.update()};this.tScene().add(e);this._renderer.setClearColorHex(16777215,1);e.unhook=function(){this.loop().unhookPreRender(d)};this.loop().hookPreRender(d);b.cameraControls||
+(c=this.tCamera(),c.position.x=0,c.position.y=0,c.position.z=b.orbit,c.lookAt(new THREE.Vector3(0,0,0)));return e});MathBox.Director=function(a,b){this._stage=a;this.script=b||[];this.rollback={};this.clocks={};this.time=this.lastCommand=this.step=0;this.lastTime=+new Date};
+MathBox.Director.prototype={clock:function(a,b){if(a>this.step)return 0;var c=+new Date;this.time+=(c-this.lastTime)*this.stage().speed();this.lastTime=c;if(b||!this.clocks[a])this.clocks[a]=this.time;return 0.001*(this.time-this.clocks[a])},invert:function(a){var b=this._stage,c=[],e,d=a[0],g=a[1],h=a[2]||{},k=a[3];"remove"==d&&(k=h);k={delay:k&&void 0!==k.hold?k.hold/4:0,duration:k&&void 0!==k.duration?k.duration/4:0,hold:k&&void 0!==k.delay?k.delay/4:0};switch(d){case "add":e=[0];case "clone":e=
+e||b.select(g);_.each(e,function(a,b){c.push(["remove",h.sequence||MathBox.Primitive.sequence+1+b,k])});break;case "remove":e=b.select(g);_.each(e,function(a){c.push(["add",a.type(),b.get(a),k])});break;case "animate":case "set":e=b.select(g),_.each(e,function(a){var e=b.get(a),g={};for(i in h)g[i]=e.style&&void 0!==e.style[i]?e.style[i]:e[i];c.push([d,a.singleton||a.get("sequence"),g,k])})}return c},invertDelay:function(a){function b(a){var b=a[2]||{},c=["opacity"];if("animate"==a[0])for(e in c=
+[],b)if("style"==e)for(j in b.style)c.push(j);else c.push(e);return c}var c=[],e,d={};a.forEach(function(a){var c=a[0],e=a[1]||"",g=a[2]||{},h=a[3]||{};if("set"==c)return null;"add"==c&&(e=g.sequence);"remove"==c&&(h=g);b(a).forEach(function(a){a=[e,a].join(".");d[a]||(d[a]=[]);h=h||{};d[a].push((h.delay||0)+(h.duration||0)+(h.hold||0))})});var g=0;for(e in d)var h=d[e]=d[e].reduce(function(a,b){return a+b}),g=Math.max(g,h);a.forEach(function(a){var e=a[0],h=a[1]||"",m=a[2]||{},n=a[3]||{},t;if("set"==
+e)return c.push(a);"add"==e&&(t=h,h=m.sequence);"remove"==e&&(n=m);b(a).forEach(function(a){var b=[h,a].join("."),k=n.delay||0,u=n.duration||0,v=n.hold||0;void 0!==d[b]&&(k+=g-d[b],delete d[b]);n={delay:k,duration:u,hold:v};"add"==e&&c.push([e,t,m,n]);"remove"==e?c.push([e,h,n]):(b={},b[a]=m.style&&void 0!==m.style[a]?m.style[a]:m[a],c.push([e,h,b,n]))})});return c},apply:function(a,b,c,e){var d=this._stage;_.each(a,function(a){var h=a[0]||"",k=a[1]||"",f=a[2]||{},l=a[3]||{};"remove"==h&&(l=f);b&&
+(a=this.invert(a),a=[0,0].concat(a),Array.prototype.splice.apply(b,a));e&&l&&(l=_.extend({},l),l.delay/=2,l.duration/=2,l.hold/=2);c&&(l={delay:0,duration:0,hold:0},"animate"==h&&(h="set"));switch(h){case "clone":d.clone(k,f,l);break;case "add":d.spawn(k,f,l);break;case "remove":_.each(d.select(k),function(a){d.remove(a,l)});break;case "set":var h=d.select(k),m=f.constructor==Array;_.each(h,function(a,b){d.set(a,m?f[b]:f)});break;case "animate":h=d.select(k),m=f.constructor==Array,_.each(h,function(a,
+b){d.animate(a,m?f[b]:f,l)})}}.bind(this));return this},insert:function(a){a[0].constructor!=Array&&(a=[a]);this.script.splice(this.step,0,a);this.forward();return this},is:function(a){if(!this.script.length)return!1;for(;0>a;)a+=this.script.length+1;for(;a>=this.script.length+1;)a-=this.script.length+1;return a==this.step},isFirst:function(){return this.is(0)},isLast:function(){return this.is(-1)},go:function(a,b){if(this.script.length){for(;0>a;)a+=this.script.length+1;for(;a>=this.script.length+
+1;)a-=this.script.length+1;for(;a>this.step;)this.forward(b);for(;a<this.step;)this.back(b)}},skipping:function(){var a=+new Date,b=!1;500>a-this.lastCommand&&(b=!0);this.stage().hurry("*");this.lastCommand=a;return b},forward:function(a,b){if(!(this.step>=this.script.length)){var c=this.step,e=this.script[c],d=this.rollback[c]=[];this.step++;var g=function(){this.apply(e,d,a,a?!1:this.skipping());this.rollback[c]=this.invertDelay(d);this.clock(c+1,!0);this.emit("go",c+1,1)}.bind(this);b?setTimeout(g,
++b):g();return this}},back:function(a,b){if(!(0>=this.step)){this.step--;var c=this.step,e=this.rollback[c],d=function(){this.apply(e,null,a||this.skipping());delete this.rollback[c];this.emit("go",c,-1)}.bind(this);b?setTimeout(d,+b):d();return this}},stage:function(){return this._stage}};_.each(MathBox.Stage.prototype,function(a,b){MathBox.Director.prototype[b]||(MathBox.Director.prototype[b]=function(){var b=this.stage[a].apply(this.stage,arguments);return b===this.stage?this:b})});MicroEvent.mixin(MathBox.Director);
 MathBox.Style=function(a){var b=this.defaults();a=_.extend(b,a||{});this.set(a)};
 MathBox.Style.prototype={defaults:function(){return{color:new THREE.Color(3178736),opacity:1,lineWidth:2,pointSize:5,mathScale:new THREE.Vector3(1,1,1),mathRotation:new THREE.Vector3,mathPosition:new THREE.Vector3,worldScale:new THREE.Vector3(1,1,1),worldRotation:new THREE.Vector3,worldPosition:new THREE.Vector3,zIndex:0,map:null,mapColor:0,mapOpacity:0}},validateColor:function(a){if(a.constructor==Array){a=a.concat([0,0,0]);var b=new THREE.Color;return b.setRGB.apply(b,a)}return a.constructor==Number?
 new THREE.Color(a):a.constructor!=THREE.Color?this.get("color"):a},validateMathScale:function(a){if(a.constructor==Array){a=a.concat([1,1,1]);var b=new THREE.Vector3;return b.set.apply(b,a)}return a.constructor!=THREE.Vector3?this.get("mathScale"):a},validateMathRotation:function(a){if(a.constructor==Array){a=a.concat([0,0,0]);var b=new THREE.Vector3;return b.set.apply(b,a)}return a.constructor!=THREE.Vector3?this.get("mathRotation"):a},validateMathPosition:function(a){if(a.constructor==Array){a=
@@ -48,78 +48,78 @@ a},validateWorldPosition:function(a){if(a.constructor==Array){a=a.concat([0,0,0]
 MathBox.CameraProxy=function(a,b){this.set({orbit:void 0===b.orbit?3.5:b.orbit,phi:void 0===b.phi?\u03c4/4:b.phi,theta:b.theta||0,lookAt:b.lookAt||[0,0,0]});this.singleton="camera";var c=this.controls=a.getCameraControls()||ThreeBox.OrbitControls.bind(a.tCamera(),null,this.get());this.on("change",function(a){_.each(a,function(a,b){"lookAt"!=b&&(c[b]=a)});a.lookAt&&c.lookAt.set.apply(c.lookAt,a.lookAt);c.update()});c.update();this.update=function(){this.set({orbit:c.orbit,phi:c.phi,theta:c.theta},
 null,!0);var a=this.get("lookAt");a[0]=c.lookAt.x;a[1]=c.lookAt.y;a[2]=c.lookAt.z}};MathBox.Attributes.mixin(MathBox.CameraProxy);MathBox.Overlay=function(){(this.domElement=document.createElement("div")).className="mathbox-overlay";this.sprites=[];this.v=new THREE.Vector3;this.q=new THREE.Vector3};
 MathBox.Overlay.prototype={size:function(a,b){this.width=a;this.height=b;this.domElement.style.width=a+"px";this.domElement.style.height=b+"px"},add:function(a){-1==this.sprites.indexOf(a)&&(this.sprites.push(a),a.element.parentNode||this.domElement.appendChild(a.element),_.each(a.children,function(a){this.add(a)}.bind(this)))},remove:function(a){var b;-1!=(b=this.sprites.indexOf(a))&&(this.sprites.splice(b,1),a.element.parentNode&&a.element.parentNode.removeChild(a.element),_.each(a.children,function(a){this.remove(a)}.bind(this)))},
-update:function(a){this.fov=0.5/Math.tan(a.fov*Math.PI/360)*this.height;_.each(this.sprites,function(b){this._update(b,a)}.bind(this));_.each(this.sprites,function(b){this._measure(b,a)}.bind(this));_.each(this.sprites,function(b){this._vis(b,a)}.bind(this))},_measure:function(a,b){if(a.measure){var c=a.element;a.width=c.offsetWidth;a.height=c.offsetHeight;a.measure=!1}},_vis:function(a,b){if(a.render&&(a.width||a.height)){var c=a.left,d=a.top,e=a.width+c,f=a.height+d;found=!1;_.each(this.sprites,
-function(b){if(b===a)found=!0;else if(found&&b.render){var k=b.left,g=b.top,l=b.width+k,m=b.height+g;e<k||c>l||f<g||d>m||(b.element.style.display="none",b.render=!1)}})}},_update:function(a,b){for(var c=this.v,d=this.q,e=a.render,f=a.visible,h=a.parent;f&&h;)f=f&&h.visible,h=h.parent;a.render=f&&0<a.opacity;if(a.render)e||(a.element.style.display="block"),c.copy(a.position),b.matrixWorldInverse.multiplyVector3(c),e=-(c.x/c.z)*this.fov+0.5*this.width,f=c.y/c.z*this.fov+0.5*this.height,a.distance&&
-(d.copy(a.tangent).multiplyScalar(0.01),d.addSelf(a.position),b.matrixWorldInverse.multiplyVector3(d),h=0<a.distance?1:-1,d.subSelf(c),d.z=0,d.normalize().multiplyScalar(a.distance),e+=Math.abs(d.y)*h,f+=Math.abs(d.x)*h),e=Math.round(e),f=Math.round(f),a.left!==e&&(a.left=e,a.element.style.left=e+"px"),a.top!==f&&(a.top=f,a.element.style.top=f+"px"),a.lastOpacity!==a.opacity&&(a.element.style.opacity=a.opacity,a.lastOpacity=a.opacity);else if(e||null===e)a.element.style.display="none"}};
+update:function(a){this.fov=0.5/Math.tan(a.fov*Math.PI/360)*this.height;_.each(this.sprites,function(b){this._update(b,a)}.bind(this));_.each(this.sprites,function(b){this._measure(b,a)}.bind(this));_.each(this.sprites,function(b){this._vis(b,a)}.bind(this))},_measure:function(a,b){if(a.measure){var c=a.element;a.width=c.offsetWidth;a.height=c.offsetHeight;a.measure=!1}},_vis:function(a,b){if(a.render&&(a.width||a.height)){var c=a.left,e=a.top,d=a.width+c,g=a.height+e;found=!1;_.each(this.sprites,
+function(b){if(b===a)found=!0;else if(found&&b.render){var k=b.left,f=b.top,l=b.width+k,m=b.height+f;d<k||c>l||g<f||e>m||(b.element.style.display="none",b.render=!1)}})}},_update:function(a,b){for(var c=this.v,e=this.q,d=a.render,g=a.visible,h=a.parent;g&&h;)g=g&&h.visible,h=h.parent;a.render=g&&0<a.opacity;if(a.render)d||(a.element.style.display="block"),c.copy(a.position),b.matrixWorldInverse.multiplyVector3(c),d=-(c.x/c.z)*this.fov+0.5*this.width,g=c.y/c.z*this.fov+0.5*this.height,a.distance&&
+(e.copy(a.tangent).multiplyScalar(0.01),e.addSelf(a.position),b.matrixWorldInverse.multiplyVector3(e),h=0<a.distance?1:-1,e.subSelf(c),e.z=0,e.normalize().multiplyScalar(a.distance),d+=Math.abs(e.y)*h,g+=Math.abs(e.x)*h),d=Math.round(d),g=Math.round(g),a.left!==d&&(a.left=d,a.element.style.left=d+"px"),a.top!==g&&(a.top=g,a.element.style.top=g+"px"),a.lastOpacity!==a.opacity&&(a.element.style.opacity=a.opacity,a.lastOpacity=a.opacity);else if(d||null===d)a.element.style.display="none"}};
 MathBox.Sprite=function(a,b,c){this.element=a;this.tangent=b||new THREE.Vector3(1,0,0);this.distance=c||0;this.height=this.width=0;this.measure=this.visible=!0;this.render=null;this.content="";this.lastOpacity=this.lastTop=this.lastLeft=null;a.style.position="absolute";a.style.left=0;a.style.top=0;a.style.opacity=0;THREE.Object3D.call(this)};MathBox.Sprite.prototype=_.extend(new THREE.Object3D,{});
 MathBox.Primitive=function(a){if(null!==a){var b=this.defaults();a&&(a.style=_.extend(b.style,a.style||{}),a=_.extend(b,a||{}));a=a||b;this.set(a);this.style=new MathBox.Style;this.style.set(this.get().style||{});this.on("change",function(a){void 0!==a.style&&this.style.set(a.style)}.bind(this));this.set("sequence",a.sequence||++MathBox.Primitive.sequence);this.set("id",a.id||this.sequence);this.init()}};MathBox.Primitive.sequence=0;MathBox.Primitive.types={};
 MathBox.Primitive.prototype={defaults:function(){return{}},type:function(){return"primitive"},init:function(){},make:function(){},destroy:function(){},renderables:function(){return[]},adjust:function(a){}};MathBox.Attributes.mixin(MathBox.Primitive);MicroEvent.mixin(MathBox.Primitive);MathBox.Curve=function(a){null!==a&&MathBox.Primitive.call(this,a)};
-MathBox.Curve.prototype=_.extend(new MathBox.Primitive(null),{defaults:function(){return{n:64,domain:[0,1],data:null,expression:function(){return 0},live:!0,points:!1,line:!0,style:{}}},type:function(){return"curve"},renderables:function(){return[this.line,this.points]},adjust:function(a){a=this.get();this.line.show(a.line);this.points.show(a.points);(a.line||a.points)&&0<this.style.get("opacity")&&a.live&&this.calculate()},make:function(){var a=this.get(),b=this.style,c=a.n,d=this.vertices=[];_.loop(c,
-function(){d.push(new THREE.Vector3)});c=function(c){return new MathBox.Renderable.Mesh(d,{type:c,dynamic:a.live},b)};this.line=c("line");this.points=c("points");this.calculate()},calculate:function(){var a=this.vertices,b=this.get(),c=b.data,d=b.domain,e=b.n,f=d[0],h=(d[1]-f)/(e-1),k;_.loop(e,function(e){k=c&&void 0!==c[e]?c[e]:b.expression.call(this,f,e);var d=0,m=0,n=0;if(k instanceof Array){var t=k.length;0<t&&(d=k[0]);1<t&&(m=k[1]);2<t&&(n=k[2])}else d=f,m=+k;a[e].set(d,m,n);f+=h}.bind(this))}});
+MathBox.Curve.prototype=_.extend(new MathBox.Primitive(null),{defaults:function(){return{n:64,domain:[0,1],data:null,expression:function(){return 0},live:!0,points:!1,line:!0,style:{}}},type:function(){return"curve"},renderables:function(){return[this.line,this.points]},adjust:function(a){a=this.get();this.line.show(a.line);this.points.show(a.points);(a.line||a.points)&&0<this.style.get("opacity")&&a.live&&this.calculate()},make:function(){var a=this.get(),b=this.style,c=a.n,e=this.vertices=[];_.loop(c,
+function(){e.push(new THREE.Vector3)});c=function(c){return new MathBox.Renderable.Mesh(e,{type:c,dynamic:a.live},b)};this.line=c("line");this.points=c("points");this.calculate()},calculate:function(){var a=this.vertices,b=this.get(),c=b.data,e=b.domain,d=b.n,g=e[0],h=(e[1]-g)/(d-1),k;_.loop(d,function(d){k=c&&void 0!==c[d]?c[d]:b.expression.call(this,g,d);var e=0,m=0,n=0;if(k instanceof Array){var t=k.length;0<t&&(e=k[0]);1<t&&(m=k[1]);2<t&&(n=k[2])}else e=g,m=+k;a[d].set(e,m,n);g+=h}.bind(this))}});
 MathBox.Primitive.types.curve=MathBox.Curve;MathBox.Bezier=function(a){MathBox.Curve.call(this,a)};
-MathBox.Bezier.prototype=_.extend(new MathBox.Curve(null),{defaults:function(){return{n:64,domain:[0,1],data:null,order:3,expression:function(){return 0},live:!0,points:!1,line:!0,style:{}}},type:function(){return"bezier"},calculate:function(){var a=this.vertices,b=this.get(),c=b.domain,d=b.data,e=b.order,f=b.n;if(1>e||3<e)throw"Bezier curve order must be 1, 2 or 3.";var h=[],k;_.loop(e+1,function(a){k=d&&void 0!==d[a]?d[a]:b.expression.call(this,a,a);var c=a=0,e=0;if(k instanceof Array){var f=k.length;
-0<f&&(a=k[0]);1<f&&(c=k[1]);2<f&&(e=k[2])}else a=l,c=+k;h.push(new THREE.Vector3(a,c,e))}.bind(this));var g={bezierPoints:h},l=c[0],m=(c[1]-l)/(f-1);_.loop(f,function(b){a[b].set(l,0,0);l+=m});c={uniforms:g,shaders:{position:function(a,b){a.snippet("bezier"+e).snippet("mathTransform");b.viewport(a)}}};this.line.set(c);this.points.set(c)}});MathBox.Primitive.types.bezier=MathBox.Bezier;
+MathBox.Bezier.prototype=_.extend(new MathBox.Curve(null),{defaults:function(){return{n:64,domain:[0,1],data:null,order:3,expression:function(){return 0},live:!0,points:!1,line:!0,style:{}}},type:function(){return"bezier"},calculate:function(){var a=this.vertices,b=this.get(),c=b.domain,e=b.data,d=b.order,g=b.n;if(1>d||3<d)throw"Bezier curve order must be 1, 2 or 3.";var h=[],k;_.loop(d+1,function(a){k=e&&void 0!==e[a]?e[a]:b.expression.call(this,a,a);var c=a=0,d=0;if(k instanceof Array){var f=k.length;
+0<f&&(a=k[0]);1<f&&(c=k[1]);2<f&&(d=k[2])}else a=l,c=+k;h.push(new THREE.Vector3(a,c,d))}.bind(this));var f={bezierPoints:h},l=c[0],m=(c[1]-l)/(g-1);_.loop(g,function(b){a[b].set(l,0,0);l+=m});c={uniforms:f,shaders:{position:function(a,b){a.snippet("bezier"+d).snippet("mathTransform");b.viewport(a)}}};this.line.set(c);this.points.set(c)}});MathBox.Primitive.types.bezier=MathBox.Bezier;
 MathBox.Axis=function(a){null!==a&&(MathBox.Primitive.call(this,a),this.on("change",function(a){void 0!==a.size&&this.arrow&&this.arrow.set("size",a.size)}))};
-MathBox.Axis.prototype=_.extend(new MathBox.Primitive(null),{defaults:function(){return{axis:0,offset:[0,0,0],n:2,arrow:!0,line:!0,labels:!1,decimals:2,distance:15,ticks:10,tickUnit:1,tickScale:10,size:0.07,style:{lineWidth:4,color:new THREE.Color(7368816)},formatter:null,zero:!0}},renderables:function(){return[this.line,this.ticks,this.arrow,this.labels]},type:function(){return"axis"},adjust:function(a,b){var c=this.get(),d=c.axis,e=c.offset,f=c.arrow,h=c.line,k=c.labels,g=c.n,l=c.ticks,m=c.tickUnit,
-n=c.tickScale,c=c.decimals,t=this.points,s=this.labelPoints,r=this.labelTangent,q=this.tickPoints,u=this.tickSigns,v=[0,0,0],x=new THREE.Vector3;new THREE.Vector4;var w=a.axis(d),y=w[0],w=w[1],A=(w-y)/(g-1);x.set.apply(x,e);_.loop(g,function(a){v[d]=y+a*A;t[a].set.apply(t[a],v);t[a].addSelf(x)});this.line.show(h);this.arrow.show(f);g=this.scale=MathBox.Ticks(y,w,l,m,n,!0);this.ticks.show(!!l);if(l){l=Math.floor(q.length/2);g.length>l&&(g=g.slice(0,l));var l=[0,0,0],z;l[2==d?0:1-d]=0.01*(w-y);this.epsilon.set.apply(this.epsilon,
-l);v=[0,0,0];_.each(g,function(a,b){v[d]=a;var c=2*b;q[c].set.apply(q[c],v);q[c].addSelf(x);u[c]=1;q[c+1].copy(q[c]);u[c+1]=-1;s[b].copy(q[c]);z=c+1});l=z+1;for(g=q.length;l<g;)q[l].copy(q[z]),u[l]=u[z],l++}v=[0,0,0];v[d]=1;r.set.apply(r,v);this.labels.show(!!k);this.labels.set("decimals",c)},make:function(){var a=this.get(),b=a.n,c=a.size,d=a.ticks,e=a.distance,f=a.formatter,h=this.style,k=this.points=[],g=this.labelPoints=[],l=this.labelTangent=new THREE.Vector3,m=this.tickPoints=[],n=this.tickSigns=
-[],t=this.epsilon=new THREE.Vector3;_.loop(b,function(a){k.push(new THREE.Vector3)});_.loop(4*d,function(a){g.push(new THREE.Vector3)});_.loop(8*d,function(a){m.push(new THREE.Vector3);n.push(1)});var d={dynamic:!0,size:c,offset:0.5},c={dynamic:!0,size:0.2*c},e={dynamic:!0,distance:e},s=function(b){b=this.scale[b];return 0!=b||a.zero?f?f(b):b:""}.bind(this);this.line=new MathBox.Renderable.Mesh(k,{dynamic:!0,type:"line"},h);this.arrow=new MathBox.Renderable.ArrowHead(k[b-2],k[b-1],d,h);this.ticks=
-new MathBox.Renderable.Ticks(m,n,t,c,h);this.labels=new MathBox.Renderable.Labels(g,l,s,e,h)}});MathBox.Axis.validateArgs=function(a){"number"==typeof a&&(a={axis:a});return a};MathBox.Primitive.types.axis=MathBox.Axis;MathBox.Grid=function(a){null!==a&&MathBox.Primitive.call(this,a)};
-MathBox.Grid.prototype=_.extend(new MathBox.Primitive(null),{defaults:function(){return{axis:[0,1],offset:[0,0,0],show:[!0,!0],n:2,ticks:[10,10],tickUnit:[1,1],tickScale:[10,10],style:{lineWidth:1,color:new THREE.Color(10526880)}}},type:function(){return"grid"},renderables:function(){return this.lines||[]},adjust:function(a){function b(a,b,c,e,d){var f=l.slice(),g=0,h=MathBox.Ticks(b.min,b.max,b.ticks,b.tickUnit,b.tickScale,!0);h.length>e&&(h=h.slice(0,e));_.each(h,function(e){f[b.axis]=e+l[b.axis];
-f[c.axis]=c.min+l[c.axis];_.loop(d-1,function(b){a[g].set.apply(a[g],f);g++;f[c.axis]+=c.inv;a[g].set.apply(a[g],f);g++})});e=Math.max(0,g-1);for(h=a.length;g<h;)a[g++].copy(a[e])}var c=this.get(),d=c.axis,e=c.ticks,f=c.tickUnit,h=c.tickScale,k=c.n,g=c.show,l=c.offset,c=this.points,m=this.limit,n=[];"number"==typeof k&&(k=[k,k]);_.each(d,function(b,c){var d=a.axis(b);n.push({axis:b,min:d[0],max:d[1],inv:(d[1]-d[0])/(k[c]-1),ticks:e[c],tickUnit:f[c],tickScale:h[c]})});this.lines[0].show(g[0]);this.lines[1].show(g[1]);
-g[0]&&b(c[0],n[1],n[0],m[0],k[0]);g[1]&&b(c[1],n[0],n[1],m[1],k[1])},make:function(a){var b=this.get();a=b.ticks;var c=b.n,d=this.points=[[],[]],b=this.style;"number"==typeof c&&(c=[c,c]);var e=this.limit=[0,0];_.each(a,function(a,b){b=1-b;e[b]=4*a;_.loop(e[b]*(c[b]-1)*2,function(a){d[b].push(new THREE.Vector3)})});this.lines=[];this.lines.push(new MathBox.Renderable.Mesh(d[0],{type:"line",strip:!1,dynamic:!0},b));this.lines.push(new MathBox.Renderable.Mesh(d[1],{type:"line",strip:!1,dynamic:!0},
+MathBox.Axis.prototype=_.extend(new MathBox.Primitive(null),{defaults:function(){return{axis:0,offset:[0,0,0],n:2,arrow:!0,line:!0,labels:!1,decimals:2,distance:15,ticks:10,tickUnit:1,tickScale:10,size:0.07,style:{lineWidth:4,color:new THREE.Color(7368816)},formatter:null,zero:!0}},renderables:function(){return[this.line,this.ticks,this.arrow,this.labels]},type:function(){return"axis"},adjust:function(a,b){var c=this.get(),e=c.axis,d=c.offset,g=c.arrow,h=c.line,k=c.labels,f=c.n,l=c.ticks,m=c.tickUnit,
+n=c.tickScale,c=c.decimals,t=this.points,s=this.labelPoints,r=this.labelTangent,q=this.tickPoints,u=this.tickSigns,v=[0,0,0],x=new THREE.Vector3;new THREE.Vector4;var w=a.axis(e),y=w[0],w=w[1],A=(w-y)/(f-1);x.set.apply(x,d);_.loop(f,function(a){v[e]=y+a*A;t[a].set.apply(t[a],v);t[a].addSelf(x)});this.line.show(h);this.arrow.show(g);f=this.scale=MathBox.Ticks(y,w,l,m,n,!0);this.ticks.show(!!l);if(l){l=Math.floor(q.length/2);f.length>l&&(f=f.slice(0,l));var l=[0,0,0],z;l[2==e?0:1-e]=0.01*(w-y);this.epsilon.set.apply(this.epsilon,
+l);v=[0,0,0];_.each(f,function(a,b){v[e]=a;var c=2*b;q[c].set.apply(q[c],v);q[c].addSelf(x);u[c]=1;q[c+1].copy(q[c]);u[c+1]=-1;s[b].copy(q[c]);z=c+1});l=z+1;for(f=q.length;l<f;)q[l].copy(q[z]),u[l]=u[z],l++}v=[0,0,0];v[e]=1;r.set.apply(r,v);this.labels.show(!!k);this.labels.set("decimals",c)},make:function(){var a=this.get(),b=a.n,c=a.size,e=a.ticks,d=a.distance,g=a.formatter,h=this.style,k=this.points=[],f=this.labelPoints=[],l=this.labelTangent=new THREE.Vector3,m=this.tickPoints=[],n=this.tickSigns=
+[],t=this.epsilon=new THREE.Vector3;_.loop(b,function(a){k.push(new THREE.Vector3)});_.loop(4*e,function(a){f.push(new THREE.Vector3)});_.loop(8*e,function(a){m.push(new THREE.Vector3);n.push(1)});var e={dynamic:!0,size:c,offset:0.5},c={dynamic:!0,size:0.2*c},d={dynamic:!0,distance:d},s=function(b){b=this.scale[b];return 0!=b||a.zero?g?g(b):b:""}.bind(this);this.line=new MathBox.Renderable.Mesh(k,{dynamic:!0,type:"line"},h);this.arrow=new MathBox.Renderable.ArrowHead(k[b-2],k[b-1],e,h);this.ticks=
+new MathBox.Renderable.Ticks(m,n,t,c,h);this.labels=new MathBox.Renderable.Labels(f,l,s,d,h)}});MathBox.Axis.validateArgs=function(a){"number"==typeof a&&(a={axis:a});return a};MathBox.Primitive.types.axis=MathBox.Axis;MathBox.Grid=function(a){null!==a&&MathBox.Primitive.call(this,a)};
+MathBox.Grid.prototype=_.extend(new MathBox.Primitive(null),{defaults:function(){return{axis:[0,1],offset:[0,0,0],show:[!0,!0],n:2,ticks:[10,10],tickUnit:[1,1],tickScale:[10,10],style:{lineWidth:1,color:new THREE.Color(10526880)}}},type:function(){return"grid"},renderables:function(){return this.lines||[]},adjust:function(a){function b(a,b,c,d,e){var f=l.slice(),g=0,h=MathBox.Ticks(b.min,b.max,b.ticks,b.tickUnit,b.tickScale,!0);h.length>d&&(h=h.slice(0,d));_.each(h,function(d){f[b.axis]=d+l[b.axis];
+f[c.axis]=c.min+l[c.axis];_.loop(e-1,function(b){a[g].set.apply(a[g],f);g++;f[c.axis]+=c.inv;a[g].set.apply(a[g],f);g++})});d=Math.max(0,g-1);for(h=a.length;g<h;)a[g++].copy(a[d])}var c=this.get(),e=c.axis,d=c.ticks,g=c.tickUnit,h=c.tickScale,k=c.n,f=c.show,l=c.offset,c=this.points,m=this.limit,n=[];"number"==typeof k&&(k=[k,k]);_.each(e,function(b,c){var e=a.axis(b);n.push({axis:b,min:e[0],max:e[1],inv:(e[1]-e[0])/(k[c]-1),ticks:d[c],tickUnit:g[c],tickScale:h[c]})});this.lines[0].show(f[0]);this.lines[1].show(f[1]);
+f[0]&&b(c[0],n[1],n[0],m[0],k[0]);f[1]&&b(c[1],n[0],n[1],m[1],k[1])},make:function(a){var b=this.get();a=b.ticks;var c=b.n,e=this.points=[[],[]],b=this.style;"number"==typeof c&&(c=[c,c]);var d=this.limit=[0,0];_.each(a,function(a,b){b=1-b;d[b]=4*a;_.loop(d[b]*(c[b]-1)*2,function(a){e[b].push(new THREE.Vector3)})});this.lines=[];this.lines.push(new MathBox.Renderable.Mesh(e[0],{type:"line",strip:!1,dynamic:!0},b));this.lines.push(new MathBox.Renderable.Mesh(e[1],{type:"line",strip:!1,dynamic:!0},
 b))}});MathBox.Primitive.types.grid=MathBox.Grid;MathBox.Vector=function(a){null!==a&&(MathBox.Primitive.call(this,a),this.render=[],this.arrows=[],this.line=this.points=this.vertices=null,this.on("change",function(a){void 0!==a.size&&_.each(this.arrows,function(c){c.set("size",a.size)})}))};MathBox.Vector.vLast=new THREE.Vector3;MathBox.Vector.vCurrent=new THREE.Vector3;
-MathBox.Vector.prototype=_.extend(new MathBox.Primitive(null),{defaults:function(){return{n:1,data:null,arrow:!0,expression:function(){return 0},live:!0,style:{},size:0.07}},type:function(){return"vector"},renderables:function(){return this.render},adjust:function(a){var b=this.get();0<this.style.get("opacity")&&(b.arrow||b.live)&&this.calculate(a);_.each(this.arrows,function(a){a.show(b.arrow)})},make:function(){var a=this.get(),b=a.arrow,c=this.style,d=a.n,e=this.vertices=[],f=this.points=[],h=
-this.render=[],k=this.arrows=[],g={dynamic:a.live,type:"line",strip:!1},l={size:a.size},m=0;_.loop(d,function(){e.push(new THREE.Vector3);e.push(new THREE.Vector3);f.push(new THREE.Vector3);f.push(new THREE.Vector3);if(b){var a=new MathBox.Renderable.ArrowHead(f[m++],f[m++],l,c);h.push(a);k.push(a)}});this.line=new MathBox.Renderable.Mesh(e,g,c);h.push(this.line);this.calculate()},calculate:function(a){var b=this.vertices,c=this.arrows,d=this.points,e=this.get(),f=e.data,h=e.arrow,k=e.n,g=e.size,
-l=this.style.get("mathScale"),m=0,n=0;_.loop(2*k,function(k){p=f&&void 0!==f[k]?f[k]:e.expression.call(this,n,m);var s=0,r=0,q=0;if(p instanceof Array){var u=p.length;0<u&&(s=p[0]);1<u&&(r=p[1]);2<u&&(q=p[2])}else s=k,r=+p,q=0;d[k].set(s,r,q);b[k].set(s,r,q);a&&h&&1==k%2&&(s=MathBox.Vector.vLast,r=MathBox.Vector.vCurrent,r.copy(b[k]),s.copy(b[k-1]),a.to(r),a.to(s),r.subSelf(s).multiplySelf(l),u=r.length(),q=Math.min(1,0.5*u/g),q=(1-(1-q)*(1-q))*g,u-=q,r.normalize().multiplyScalar(u).divideSelf(l).addSelf(s),
+MathBox.Vector.prototype=_.extend(new MathBox.Primitive(null),{defaults:function(){return{n:1,data:null,arrow:!0,expression:function(){return 0},live:!0,style:{},size:0.07}},type:function(){return"vector"},renderables:function(){return this.render},adjust:function(a){var b=this.get();0<this.style.get("opacity")&&(b.arrow||b.live)&&this.calculate(a);_.each(this.arrows,function(a){a.show(b.arrow)})},make:function(){var a=this.get(),b=a.arrow,c=this.style,e=a.n,d=this.vertices=[],g=this.points=[],h=
+this.render=[],k=this.arrows=[],f={dynamic:a.live,type:"line",strip:!1},l={size:a.size},m=0;_.loop(e,function(){d.push(new THREE.Vector3);d.push(new THREE.Vector3);g.push(new THREE.Vector3);g.push(new THREE.Vector3);if(b){var a=new MathBox.Renderable.ArrowHead(g[m++],g[m++],l,c);h.push(a);k.push(a)}});this.line=new MathBox.Renderable.Mesh(d,f,c);h.push(this.line);this.calculate()},calculate:function(a){var b=this.vertices,c=this.arrows,e=this.points,d=this.get(),g=d.data,h=d.arrow,k=d.n,f=d.size,
+l=this.style.get("mathScale"),m=0,n=0;_.loop(2*k,function(k){p=g&&void 0!==g[k]?g[k]:d.expression.call(this,n,m);var s=0,r=0,q=0;if(p instanceof Array){var u=p.length;0<u&&(s=p[0]);1<u&&(r=p[1]);2<u&&(q=p[2])}else s=k,r=+p,q=0;e[k].set(s,r,q);b[k].set(s,r,q);a&&h&&1==k%2&&(s=MathBox.Vector.vLast,r=MathBox.Vector.vCurrent,r.copy(b[k]),s.copy(b[k-1]),a.to(r),a.to(s),r.subSelf(s).multiplySelf(l),u=r.length(),q=Math.min(1,0.5*u/f),q=(1-(1-q)*(1-q))*f,u-=q,r.normalize().multiplyScalar(u).divideSelf(l).addSelf(s),
 a.from(r),b[k].copy(r),c[n].set({size:q}));n=m?n+1:n;m=(m+1)%2}.bind(this))}});MathBox.Primitive.types.vector=MathBox.Vector;MathBox.Surface=function(a){null!==a&&MathBox.Primitive.call(this,a)};
 MathBox.Surface.prototype=_.extend(new MathBox.Primitive(null),{defaults:function(){return{n:[64,64],domain:[[0,1],[0,1]],data:null,expression:function(){return 0},live:!0,points:!1,line:!1,mesh:!0,doubleSided:!0,flipSided:!1,shaded:!0,style:{}}},type:function(){return"surface"},renderables:function(){return[this.mesh,this.line,this.points]},adjust:function(a){a=this.get();this.mesh.show(a.mesh);this.line.show(a.line);this.points.show(a.points);(a.mesh||a.line||a.points)&&0<this.style.get("opacity")&&
-a.live&&this.calculate()},make:function(){var a=this.get(),b=this.style,c=a.n;"number"==typeof c&&(c=[c,c]);var d=this.geometry=new THREE.PlaneGeometry(2,2,c[0]-1,c[1]-1);this.vertices=d.vertices;this.mesh=new MathBox.Renderable.Mesh(d,{type:"mesh",doubleSided:a.doubleSided,flipSided:a.flipSided,shaded:a.shaded,smooth:!0,dynamic:a.live},b);this.line=new MathBox.Renderable.Mesh(d,{type:"mesh",shaded:a.shaded,smooth:!0,dynamic:a.live,wireframe:!0},b);this.points=new MathBox.Renderable.Mesh(d.vertices,
-{type:"points",dynamic:a.live},b);if(a.shaded){var e=this.tangents=[[],[]];_.loop(c[0]*c[1],function(){e[0].push(new THREE.Vector3);e[1].push(new THREE.Vector3)})}this.calculate()},calculate:function(){var a=this.vertices,b=this.tangents,c=this.get(),d=c.data,e=c.domain,f=c.n,h=c.flipSided,k=h?1:0,h=h?0:1;"number"==typeof f&&(f=[f,f]);var g=e[0][0],l=e[1][0],m=(e[0][1]-g)/(f[0]-1),n=(e[1][1]-l)/(f[1]-1),t,s=0;_.loop(f[1],function(b){g=e[0][0];_.loop(f[0],function(e){t=d&&void 0!==d[b]&&void 0!==d[b][e]?
-d[b][e]:c.expression.call(this,g,l,e,b,s);var f=e=0,h=0;if(t instanceof Array){var k=t.length;0<k&&(e=t[0]);1<k&&(f=t[1]);2<k&&(h=t[2])}else e=g,f=+t,h=l;a[s].set(e,f,h);g+=m;s++}.bind(this));l+=n}.bind(this));if(c.shaded){var s=0,l=e[1][0],r=f[0];_.loop(f[1],function(c){g=e[0][0];var d=c?c-1:0,h=Math.min(f[1]-1,c+1);_.loop(f[0],function(e){var k=e?e-1:0,l=Math.min(f[0]-1,e+1),n=a[e+c*r];l==e?b[0][s].sub(n,a[k+c*r]).addSelf(n):b[0][s].copy(a[l+c*r]);h==c?b[1][s].sub(n,a[e+d*r]).addSelf(n):b[1][s].copy(a[e+
-h*r]);g+=m;s++});l+=n});this.line.set("attributes",{positionDU:b[k],positionDV:b[h]});this.mesh.set("attributes",{positionDU:b[k],positionDV:b[h]})}}});MathBox.Primitive.types.surface=MathBox.Surface;MathBox.BezierSurface=function(a){this.matrixX=new THREE.Matrix4;this.matrixY=new THREE.Matrix4;this.matrixZ=new THREE.Matrix4;this.coefficients=new THREE.Matrix4(-1,3,-3,1,3,-6,3,0,-3,3,0,0,1,0,0,0);MathBox.Surface.call(this,a)};
-MathBox.BezierSurface.prototype=_.extend(new MathBox.Surface(null),{defaults:function(){return{n:[64,64],domain:[[0,1],[0,1]],data:null,order:3,expression:function(){return 0},live:!0,points:!1,line:!1,mesh:!0,doubleSided:!0,flipSided:!1,shaded:!0,style:{}}},type:function(){return"bezierSurface"},calculate:function(){var a=this.vertices,b=this.get(),c=b.domain,d=b.data,e=b.order,f=b.shaded,h=b.n;"number"==typeof h&&(h=[h,h]);if(3!=e)throw"Bezier surface order must be 3.";var k=[],g;_.loop(e+1,function(a){_.loop(e+
-1,function(c){g=d&&void 0!==d[a]&&void 0!==d[a][c]?d[a][c]:b.expression.call(this,c,a,c,a);var e=0,f=0,h=0;g instanceof Array?(c=g.length,0<c&&(e=g[0]),1<c&&(f=g[1]),2<c&&(h=g[2])):(e=c,f=+g,h=a);k.push([e,f,h])}.bind(this))}.bind(this));g=k;this.matrixX.set(g[0][0],g[1][0],g[2][0],g[3][0],g[4][0],g[5][0],g[6][0],g[7][0],g[8][0],g[9][0],g[10][0],g[11][0],g[12][0],g[13][0],g[14][0],g[15][0]);this.matrixY.set(g[0][1],g[1][1],g[2][1],g[3][1],g[4][1],g[5][1],g[6][1],g[7][1],g[8][1],g[9][1],g[10][1],g[11][1],
-g[12][1],g[13][1],g[14][1],g[15][1]);this.matrixZ.set(g[0][2],g[1][2],g[2][2],g[3][2],g[4][2],g[5][2],g[6][2],g[7][2],g[8][2],g[9][2],g[10][2],g[11][2],g[12][2],g[13][2],g[14][2],g[15][2]);var l=this.coefficients;this.matrixX.multiplySelf(l).transpose().multiplySelf(l);this.matrixY.multiplySelf(l).transpose().multiplySelf(l);this.matrixZ.multiplySelf(l).transpose().multiplySelf(l);var l={bezierSurfaceX:this.matrixX,bezierSurfaceY:this.matrixY,bezierSurfaceZ:this.matrixZ},m=c[0][0],n=c[1][0],t=(c[0][1]-
-m)/(h[0]-1),s=(c[1][1]-n)/(h[1]-1),r=0;_.loop(h[1],function(b){m=c[0][0];_.loop(h[0],function(b){a[r].set(m,n,0);m+=t;r++}.bind(this));n+=s}.bind(this));l={uniforms:l,shaders:{position:function(a,b){f?(a.snippet("bezierSurface"+e),a.group(),a.snippet("mathTransform"),b.viewport(a),a.next(),a.snippet("mathTransform"),b.viewport(a),a.next(),a.snippet("mathTransform"),b.viewport(a),a.combine()):(a.snippet("bezierSurface"+e).snippet("mathTransform"),b.viewport(a))}}};this.mesh.set(l);this.line.set(l);
+a.live&&this.calculate()},make:function(){var a=this.get(),b=this.style,c=a.n;"number"==typeof c&&(c=[c,c]);var e=this.geometry=new THREE.PlaneGeometry(2,2,c[0]-1,c[1]-1);this.vertices=e.vertices;this.mesh=new MathBox.Renderable.Mesh(e,{type:"mesh",doubleSided:a.doubleSided,flipSided:a.flipSided,shaded:a.shaded,smooth:!0,dynamic:a.live},b);this.line=new MathBox.Renderable.Mesh(e,{type:"mesh",shaded:a.shaded,smooth:!0,dynamic:a.live,wireframe:!0},b);this.points=new MathBox.Renderable.Mesh(e.vertices,
+{type:"points",dynamic:a.live},b);if(a.shaded){var d=this.tangents=[[],[]];_.loop(c[0]*c[1],function(){d[0].push(new THREE.Vector3);d[1].push(new THREE.Vector3)})}this.calculate()},calculate:function(){var a=this.vertices,b=this.tangents,c=this.get(),e=c.data,d=c.domain,g=c.n,h=c.flipSided,k=h?1:0,h=h?0:1;"number"==typeof g&&(g=[g,g]);var f=d[0][0],l=d[1][0],m=(d[0][1]-f)/(g[0]-1),n=(d[1][1]-l)/(g[1]-1),t,s=0;_.loop(g[1],function(b){f=d[0][0];_.loop(g[0],function(d){t=e&&void 0!==e[b]&&void 0!==e[b][d]?
+e[b][d]:c.expression.call(this,f,l,d,b,s);var g=d=0,h=0;if(t instanceof Array){var k=t.length;0<k&&(d=t[0]);1<k&&(g=t[1]);2<k&&(h=t[2])}else d=f,g=+t,h=l;a[s].set(d,g,h);f+=m;s++}.bind(this));l+=n}.bind(this));if(c.shaded){var s=0,l=d[1][0],r=g[0];_.loop(g[1],function(c){f=d[0][0];var e=c?c-1:0,h=Math.min(g[1]-1,c+1);_.loop(g[0],function(d){var k=d?d-1:0,l=Math.min(g[0]-1,d+1),n=a[d+c*r];l==d?b[0][s].sub(n,a[k+c*r]).addSelf(n):b[0][s].copy(a[l+c*r]);h==c?b[1][s].sub(n,a[d+e*r]).addSelf(n):b[1][s].copy(a[d+
+h*r]);f+=m;s++});l+=n});this.line.set("attributes",{positionDU:b[k],positionDV:b[h]});this.mesh.set("attributes",{positionDU:b[k],positionDV:b[h]})}}});MathBox.Primitive.types.surface=MathBox.Surface;MathBox.BezierSurface=function(a){this.matrixX=new THREE.Matrix4;this.matrixY=new THREE.Matrix4;this.matrixZ=new THREE.Matrix4;this.coefficients=new THREE.Matrix4(-1,3,-3,1,3,-6,3,0,-3,3,0,0,1,0,0,0);MathBox.Surface.call(this,a)};
+MathBox.BezierSurface.prototype=_.extend(new MathBox.Surface(null),{defaults:function(){return{n:[64,64],domain:[[0,1],[0,1]],data:null,order:3,expression:function(){return 0},live:!0,points:!1,line:!1,mesh:!0,doubleSided:!0,flipSided:!1,shaded:!0,style:{}}},type:function(){return"bezierSurface"},calculate:function(){var a=this.vertices,b=this.get(),c=b.domain,e=b.data,d=b.order,g=b.shaded,h=b.n;"number"==typeof h&&(h=[h,h]);if(3!=d)throw"Bezier surface order must be 3.";var k=[],f;_.loop(d+1,function(a){_.loop(d+
+1,function(c){f=e&&void 0!==e[a]&&void 0!==e[a][c]?e[a][c]:b.expression.call(this,c,a,c,a);var d=0,g=0,h=0;f instanceof Array?(c=f.length,0<c&&(d=f[0]),1<c&&(g=f[1]),2<c&&(h=f[2])):(d=c,g=+f,h=a);k.push([d,g,h])}.bind(this))}.bind(this));f=k;this.matrixX.set(f[0][0],f[1][0],f[2][0],f[3][0],f[4][0],f[5][0],f[6][0],f[7][0],f[8][0],f[9][0],f[10][0],f[11][0],f[12][0],f[13][0],f[14][0],f[15][0]);this.matrixY.set(f[0][1],f[1][1],f[2][1],f[3][1],f[4][1],f[5][1],f[6][1],f[7][1],f[8][1],f[9][1],f[10][1],f[11][1],
+f[12][1],f[13][1],f[14][1],f[15][1]);this.matrixZ.set(f[0][2],f[1][2],f[2][2],f[3][2],f[4][2],f[5][2],f[6][2],f[7][2],f[8][2],f[9][2],f[10][2],f[11][2],f[12][2],f[13][2],f[14][2],f[15][2]);var l=this.coefficients;this.matrixX.multiplySelf(l).transpose().multiplySelf(l);this.matrixY.multiplySelf(l).transpose().multiplySelf(l);this.matrixZ.multiplySelf(l).transpose().multiplySelf(l);var l={bezierSurfaceX:this.matrixX,bezierSurfaceY:this.matrixY,bezierSurfaceZ:this.matrixZ},m=c[0][0],n=c[1][0],t=(c[0][1]-
+m)/(h[0]-1),s=(c[1][1]-n)/(h[1]-1),r=0;_.loop(h[1],function(b){m=c[0][0];_.loop(h[0],function(b){a[r].set(m,n,0);m+=t;r++}.bind(this));n+=s}.bind(this));l={uniforms:l,shaders:{position:function(a,b){g?(a.snippet("bezierSurface"+d),a.group(),a.snippet("mathTransform"),b.viewport(a),a.next(),a.snippet("mathTransform"),b.viewport(a),a.next(),a.snippet("mathTransform"),b.viewport(a),a.combine()):(a.snippet("bezierSurface"+d).snippet("mathTransform"),b.viewport(a))}}};this.mesh.set(l);this.line.set(l);
 this.points.set(l)}});MathBox.Primitive.types.bezierSurface=MathBox.BezierSurface;MathBox.Platonic=function(a){null!==a&&MathBox.Primitive.call(this,a)};
 MathBox.Platonic.prototype=_.extend(new MathBox.Primitive(null),{defaults:function(){return{n:1,type:"cube",points:!1,line:!1,mesh:!0,doubleSided:!0,flipSided:!1,shaded:!0,style:{}}},type:function(){return"platonic"},renderables:function(){return[this.mesh,this.line,this.points]},adjust:function(a){a=this.get();this.mesh.show(a.mesh);this.line.show(a.line);this.points.show(a.points)},make:function(){var a=this.get(),b=this.style,c;switch(a.type){case "cube":c=new THREE.CubeGeometry(2,2,2,1,1,1)}this.mesh=
 new MathBox.Renderable.Mesh(c,{type:"mesh",doubleSided:a.doubleSided,flipSided:a.flipSided,shaded:a.shaded,smooth:!1,dynamic:a.live},b);this.line=new MathBox.Renderable.Mesh(c,{type:"mesh",shaded:a.shaded,smooth:!1,dynamic:a.live,wireframe:!0},b);this.points=new MathBox.Renderable.Mesh(c.vertices,{type:"points",dynamic:a.live},b)}});MathBox.Primitive.types.platonic=MathBox.Platonic;MathBox.Label=function(a){null!==a&&MathBox.Primitive.call(this,a)};
-MathBox.Label.prototype=_.extend(new MathBox.Primitive(null),{defaults:function(){return{position:[0,0,0],facing:1,distance:15,style:{color:new THREE.Color(7368816)},text:""}},renderables:function(){return[this.labels]},type:function(){return"label"},adjust:function(a,b){var c=this.get(),d=[0,0,0];d[c.facing]=1;var e=this.labelTangent;e.set.apply(e,d);d=this.labelPoint;d.set.apply(d,c.position);this.labels.show(!0)},make:function(){var a=this.get(),b=a.position,c=a.text,d=a.distance,a=this.style,
-e=this.labelTangent=new THREE.Vector3,f=this.labelPoint=new THREE.Vector3,d={dynamic:!0,distance:d};f.set.apply(f,b);b=function(a){return c}.bind(this);this.labels=new MathBox.Renderable.Labels([f],e,b,d,a)}});MathBox.Label.validateArgs=function(a){return a};MathBox.Primitive.types.label=MathBox.Label;
+MathBox.Label.prototype=_.extend(new MathBox.Primitive(null),{defaults:function(){return{position:[0,0,0],facing:1,distance:15,style:{color:new THREE.Color(7368816)},class_name:"mathbox-labels",text:""}},renderables:function(){return[this.labels]},type:function(){return"label"},adjust:function(a,b){var c=this.get(),e=[0,0,0];e[c.facing]=1;var d=this.labelTangent;d.set.apply(d,e);e=this.labelPoint;e.set.apply(e,c.position);this.labels.show(!0)},make:function(){var a=this.get(),b=a.position,c=a.text,
+e=a.distance,d=a.class_name,a=this.style,g=this.labelTangent=new THREE.Vector3,h=this.labelPoint=new THREE.Vector3,e={dynamic:!0,distance:e,class_name:d};h.set.apply(h,b);b=function(a){return c}.bind(this);this.labels=new MathBox.Renderable.Labels([h],g,b,e,a)}});MathBox.Label.validateArgs=function(a){return a};MathBox.Primitive.types.label=MathBox.Label;
 MathBox.Renderable=function(a,b){if(null!==a){this.id=++MathBox.Renderable.id;var c=this.defaults();a&&(a=_.extend(c,a||{}));this.set(a||c);this.geometry=this.material=this.object=null;this.visible=!0;this.style=b||new MathBox.Style;this.style.on("change",this.styleCallback=this.refreshStyle.bind(this));this.on("change",this.uniformsCallback=this.refreshOptions.bind(this));this.mathTransform=new THREE.Matrix4}};MathBox.Renderable.id=0;
-MathBox.Renderable.prototype={defaults:function(){return{}},make:function(a){},destroy:function(){},show:function(a){a=void 0===a?!0:!!a;a!=this.visible&&(this.visible=a,this.refresh())},isVisible:function(){return this.object&&this.object.visible},composeTransform:function(a,b,c){var d=THREE.Matrix4.__m1,e=THREE.Matrix4.__m2;d.identity();d.setRotationFromEuler(b,this.object.eulerOrder);e.makeScale(c.x,c.y,c.z);this.mathTransform.multiply(d,e);b=this.mathTransform.elements;b[12]=a.x;b[13]=a.y;b[14]=
+MathBox.Renderable.prototype={defaults:function(){return{}},make:function(a){},destroy:function(){},show:function(a){a=void 0===a?!0:!!a;a!=this.visible&&(this.visible=a,this.refresh())},isVisible:function(){return this.object&&this.object.visible},composeTransform:function(a,b,c){var e=THREE.Matrix4.__m1,d=THREE.Matrix4.__m2;e.identity();e.setRotationFromEuler(b,this.object.eulerOrder);d.makeScale(c.x,c.y,c.z);this.mathTransform.multiply(e,d);b=this.mathTransform.elements;b[12]=a.x;b[13]=a.y;b[14]=
 a.z},refreshStyle:function(a){var b=this.style.get();a=a||b;this.material&&this.material.applyUniforms(a);if(this.object){this.object.frustumCulled=!1;a.worldPosition&&(this.object.position=b.worldPosition);a.worldRotation&&(this.object.rotation=b.worldRotation);a.worldScale&&(this.object.scale=b.worldScale);if(a.mathPosition||a.mathRotation||a.mathScale)this.composeTransform(b.mathPosition,b.mathRotation,b.mathScale),this.material&&this.material.applyUniforms({mathTransform:this.mathTransform});
 void 0!==a.opacity&&(this.object.visible=this.visible&&0<b.opacity);void 0===a.opacity&&void 0===a.zIndex||!this.material||(this.object.renderDepth=b.zIndex*(1==b.opacity?1:-1))}},refreshOptions:function(a){var b=this.get();a=a||b;if(this.material){b=this.get();if(void 0!==a.doubleSided||void 0!==a.flipSided)this.material.side=b.doubleSided?THREE.DoubleSide:b.flipSided?THREE.BackSide:THREE.FrontSide,b={flipSided:b.doubleSided&&b.flipSided?-1:1},this.material.applyUniforms(b);(b=this.get().uniforms)&&
 this.material.applyUniforms(b);(b=this.get().attributes)&&this.material.applyAttributes(b)}},refresh:function(){this.refreshStyle();this.refreshOptions()},adjust:function(a){this.material&&this.material.applyUniforms(a.uniforms())}};MathBox.Attributes.mixin(MathBox.Renderable);MathBox.Renderable.Mesh=function(a,b,c){this.points=a;MathBox.Renderable.call(this,b,c)};
-MathBox.Renderable.Mesh.prototype=_.extend(new MathBox.Renderable(null),{defaults:function(){return{type:"points",doubleSided:!0,dynamic:!1,absolute:!1,strip:!0,shaders:{}}},make:function(a){var b=this.get(),c=b.type,d=b.strip,e={points:THREE.ParticleSystem,line:THREE.Line,mesh:THREE.Mesh}[c];if(!e)throw"Invalid Mesh type '"+c+"'";a=this.material=a.generic(b);var f;f=this.points;f instanceof Array?(f=this.geometry=new THREE.Geometry,f.vertices=this.points):f=this.geometry=f;f.dynamic=b.dynamic;switch(c){case "line":b=
-new THREE.Line(f,a,d?THREE.LineStrip:THREE.LinePieces);break;default:b=new e(f,a)}this.object=b;this.refresh()},adjust:function(a){this.get().dynamic&&(this.geometry.verticesNeedUpdate=!0);MathBox.Renderable.prototype.adjust.call(this,a)}});MathBox.Renderable.ArrowHead=function(a,b,c,d){this.from=a;this.to=b;MathBox.Renderable.call(this,c,d)};MathBox.Renderable.ArrowHead.geometry=new THREE.CylinderGeometry(0.33,0,1,16,1);
+MathBox.Renderable.Mesh.prototype=_.extend(new MathBox.Renderable(null),{defaults:function(){return{type:"points",doubleSided:!0,dynamic:!1,absolute:!1,strip:!0,shaders:{}}},make:function(a){var b=this.get(),c=b.type,e=b.strip,d={points:THREE.ParticleSystem,line:THREE.Line,mesh:THREE.Mesh}[c];if(!d)throw"Invalid Mesh type '"+c+"'";a=this.material=a.generic(b);var g;g=this.points;g instanceof Array?(g=this.geometry=new THREE.Geometry,g.vertices=this.points):g=this.geometry=g;g.dynamic=b.dynamic;switch(c){case "line":b=
+new THREE.Line(g,a,e?THREE.LineStrip:THREE.LinePieces);break;default:b=new d(g,a)}this.object=b;this.refresh()},adjust:function(a){this.get().dynamic&&(this.geometry.verticesNeedUpdate=!0);MathBox.Renderable.prototype.adjust.call(this,a)}});MathBox.Renderable.ArrowHead=function(a,b,c,e){this.from=a;this.to=b;MathBox.Renderable.call(this,c,e)};MathBox.Renderable.ArrowHead.geometry=new THREE.CylinderGeometry(0.33,0,1,16,1);
 MathBox.Renderable.ArrowHead.prototype=_.extend(new MathBox.Renderable(null),{defaults:function(){return{offset:0,absolute:!0,size:0.1}},make:function(a){var b=this.get();a=this.material=a.generic(b);this._from=new THREE.Vector3;this._to=new THREE.Vector3;this.diff=new THREE.Vector3;this.bi=new THREE.Vector3;this.normal=new THREE.Vector3(0,0,1);b=this.geometry=MathBox.Renderable.ArrowHead.geometry;this.object=new THREE.Mesh(b,a);this.refresh()},isVisible:function(){return this.visible&&0<this.style.get("opacity")},
-adjust:function(a){var b=this.get(),c=b.offset,d=this._from.copy(this.from),e=this._to.copy(this.to);this.mathTransform.multiplyVector3(d);this.mathTransform.multiplyVector3(e);a.to(d);a.to(e);d=this.diff.sub(d,e);if(0.001>d.length())this.object.visible=!1;else{this.object.visible=this.visible;d=d.normalize();this.normal.x=this.diff.y+0.1;this.normal.y=this.diff.z+0.2;this.normal.z=this.diff.x+0.3;this.normal.normalize();var f=this.bi.cross(this.normal,this.diff).normalize(),h=this.normal.cross(this.bi,
-this.diff),b=b.size,e=(new THREE.Matrix4(f.x,d.x,h.x,e.x,f.y,d.y,h.y,e.y,f.z,d.z,h.z,e.z,0,0,0,1)).scale(new THREE.Vector3(b,b,b));this.object.updateMatrix();this.object.matrix.multiplySelf(e);e.identity().setPosition({x:0,y:0.5-c,z:0});this.object.matrix.multiplySelf(e);this.object.matrixAutoUpdate=!1;this.object.matrixWorldNeedsUpdate=!0;MathBox.Renderable.prototype.adjust.call(this,a)}}});
-MathBox.Renderable.Ticks=function(a,b,c,d,e){this.points=a;this.signs=b;this.epsilon=c;MathBox.Renderable.call(this,d,e)};
-MathBox.Renderable.Ticks.prototype=_.extend(new MathBox.Renderable(null),{defaults:function(){return{dynamic:!1,absolute:!1,size:0.1}},make:function(a){var b=this.get(),c=this.points;a=this.material=a.generic({type:"line",shaders:{position:function(a,c){c.position(a,b);a.snippet("tickVertexSplit");a.group();c.viewport(a);a.next();c.viewport(a);a.combine();a.snippet("tickVertexJoin")}}});var d=this.geometry=new THREE.Geometry;d.vertices=c;this.object=new THREE.Line(d,a,THREE.LinePieces);this.refresh()},
-adjust:function(a){var b=this.get();this.material&&this.material.applyAttributes({tickSign:this.signs});this.material&&this.material.applyUniforms({tickEpsilon:this.epsilon,tickSize:b.size});b.dynamic&&(this.material.attributes.tickSign.needsUpdate=!0,this.geometry.verticesNeedUpdate=!0);MathBox.Renderable.prototype.adjust.call(this,a)}});MathBox.Renderable.Labels=function(a,b,c,d,e){this.points=a;this.tangent=b;this.callback=c;this.sprites=[];MathBox.Renderable.call(this,d,e)};
-MathBox.Renderable.Labels.prototype=_.extend(new MathBox.Renderable(null),{defaults:function(){return{absolute:!0,distance:15,size:1}},make:function(a){this.get();var b=this.tangent,c=this.sprites;a=this.points.length;this._anchor=new THREE.Vector3;var d=document.createElement("div"),e=this.object=new MathBox.Sprite(d);d.className="mathbox-labels";_.loop(a,function(a){a=document.createElement("div");var d=document.createElement("div");a.appendChild(d);var k=new MathBox.Sprite(a,b);a.className="mathbox-label";
-d.className="mathbox-wrap";d.style.position="relative";d.style.display="inline-block";d.style.left="-50%";d.style.top="-.5em";c.push(k);e.add(k)})},adjust:function(a,b,c,d,e){var f=this.get(),h=this.points;b=this.sprites;var k=this.callback,g=f.decimals,l=this.style.get("opacity"),m=window.MathJax&&MathJax.Hub,n=1/Math.log(10);_.each(b,function(b,c){b.position.copy(h[c]);a.to(b.position);e.matrix.multiplyVector3(b.position);b.distance=f.distance;b.opacity=l;var d="";if(k){d=k(c);void 0===d&&(d="");
-if(+d==d){var q=+d;if(0!=q)var d=0>q?-1:1,q=Math.abs(q),u=Math.pow(10,g-1-Math.floor(Math.log(q)*n)),d=q=d*Math.round(u*q)/u}m||(d=(""+d).replace(/^-/,"\u2013"))}b.content!==d&&(q=b.element.children[0],b.content=d,b.measure=!0,m?(q.innerHTML="\\("+d+"\\)",MathJax.Hub.queue.Push(["Typeset",MathJax.Hub,q])):q.innerHTML=d)});MathBox.Renderable.prototype.adjust.call(this,a)}});
+adjust:function(a){var b=this.get(),c=b.offset,e=this._from.copy(this.from),d=this._to.copy(this.to);this.mathTransform.multiplyVector3(e);this.mathTransform.multiplyVector3(d);a.to(e);a.to(d);e=this.diff.sub(e,d);if(0.001>e.length())this.object.visible=!1;else{this.object.visible=this.visible;e=e.normalize();this.normal.x=this.diff.y+0.1;this.normal.y=this.diff.z+0.2;this.normal.z=this.diff.x+0.3;this.normal.normalize();var g=this.bi.cross(this.normal,this.diff).normalize(),h=this.normal.cross(this.bi,
+this.diff),b=b.size,d=(new THREE.Matrix4(g.x,e.x,h.x,d.x,g.y,e.y,h.y,d.y,g.z,e.z,h.z,d.z,0,0,0,1)).scale(new THREE.Vector3(b,b,b));this.object.updateMatrix();this.object.matrix.multiplySelf(d);d.identity().setPosition({x:0,y:0.5-c,z:0});this.object.matrix.multiplySelf(d);this.object.matrixAutoUpdate=!1;this.object.matrixWorldNeedsUpdate=!0;MathBox.Renderable.prototype.adjust.call(this,a)}}});
+MathBox.Renderable.Ticks=function(a,b,c,e,d){this.points=a;this.signs=b;this.epsilon=c;MathBox.Renderable.call(this,e,d)};
+MathBox.Renderable.Ticks.prototype=_.extend(new MathBox.Renderable(null),{defaults:function(){return{dynamic:!1,absolute:!1,size:0.1}},make:function(a){var b=this.get(),c=this.points;a=this.material=a.generic({type:"line",shaders:{position:function(a,c){c.position(a,b);a.snippet("tickVertexSplit");a.group();c.viewport(a);a.next();c.viewport(a);a.combine();a.snippet("tickVertexJoin")}}});var e=this.geometry=new THREE.Geometry;e.vertices=c;this.object=new THREE.Line(e,a,THREE.LinePieces);this.refresh()},
+adjust:function(a){var b=this.get();this.material&&this.material.applyAttributes({tickSign:this.signs});this.material&&this.material.applyUniforms({tickEpsilon:this.epsilon,tickSize:b.size});b.dynamic&&(this.material.attributes.tickSign.needsUpdate=!0,this.geometry.verticesNeedUpdate=!0);MathBox.Renderable.prototype.adjust.call(this,a)}});MathBox.Renderable.Labels=function(a,b,c,e,d){this.points=a;this.tangent=b;this.callback=c;this.sprites=[];MathBox.Renderable.call(this,e,d)};
+MathBox.Renderable.Labels.prototype=_.extend(new MathBox.Renderable(null),{defaults:function(){return{absolute:!0,distance:15,size:1,class_name:"mathbox-labels"}},make:function(a){a=this.get();var b=this.tangent,c=this.sprites,e=a.class_name;a=this.points.length;this._anchor=new THREE.Vector3;var d=document.createElement("div"),g=this.object=new MathBox.Sprite(d);d.className=e;_.loop(a,function(a){a=document.createElement("div");var d=document.createElement("div");a.appendChild(d);var f=new MathBox.Sprite(a,
+b);"mathbox-labels"==e&&(a.className="mathbox-label");d.className="mathbox-wrap";d.style.position="relative";d.style.display="inline-block";d.style.left="-50%";d.style.top="-.5em";c.push(f);g.add(f)})},adjust:function(a,b,c,e,d){var g=this.get(),h=this.points;b=this.sprites;var k=this.callback,f=g.decimals,l=this.style.get("opacity"),m=window.MathJax&&MathJax.Hub,n=1/Math.log(10);_.each(b,function(b,c){b.position.copy(h[c]);a.to(b.position);d.matrix.multiplyVector3(b.position);b.distance=g.distance;
+b.opacity=l;var e="";if(k){e=k(c);void 0===e&&(e="");if(+e==e){var q=+e;if(0!=q)var e=0>q?-1:1,q=Math.abs(q),u=Math.pow(10,f-1-Math.floor(Math.log(q)*n)),e=q=e*Math.round(u*q)/u}m||(e=(""+e).replace(/^-/,"\u2013"))}b.content!==e&&(q=b.element.children[0],b.content=e,b.measure=!0,m?(q.innerHTML="\\("+e+"\\)",MathJax.Hub.queue.Push(["Typeset",MathJax.Hub,q])):q.innerHTML=e)});MathBox.Renderable.prototype.adjust.call(this,a)}});
 MathBox.Viewport=function(a){if(null!==a){var b=this.defaults();a=_.extend(b,a||{});this.set(a);this.singleton="viewport";this._uniforms={}}};
 MathBox.Viewport.prototype={defaults:function(){return{type:"none",rotation:[0,0,0],position:[0,0,0]}},uniforms:function(){return this._uniforms},axis:function(a){return[0,1]},to:function(a){},from:function(a){},update:function(a){var b=this.get();_.each(["position","rotation"],function(c){a[c].set.apply(a[c],b[c])})},shader:function(a){a.snippet("mathToWorld")},validateRotation:function(a){return a.constructor==Array?(a=a.concat([0,0,0]),a.slice(0,3)):this.get("rotation")},validatePosition:function(a){return a.constructor==
 Array?(a=a.concat([0,0,0]),a.slice(0,3)):this.get("position")}};MathBox.Attributes.mixin(MathBox.Viewport,"type");MathBox.Viewport.types={};MathBox.Viewport.make=function(a){return new (MathBox.Viewport.types[a.type]||MathBox.Viewport.types.cartesian||MathBox.Viewport)(a)};
 MathBox.ViewportCartesian=function(a){if(null!==a){var b=MathBox.Viewport;b.call(this,a);this.super=b.prototype;this.transform=new THREE.Matrix4;this.inverse=new THREE.Matrix4;_.extend(this._uniforms,{viewportTransform:this.transform,viewportInverse:this.inverse})}};
-MathBox.ViewportCartesian.prototype=_.extend(new MathBox.Viewport(null),{defaults:function(){return{type:"cartesian",range:[[-1,1],[-1,1],[-1,1]],scale:[1,1,1],rotation:[0,0,0],position:[0,0,0]}},to:function(a){this.transform.multiplyVector3(a)},from:function(a){this.inverse.multiplyVector3(a)},axis:function(a){var b=this.get().range[a];a=b[0];var c=b[1],b=Math.min(a,c);a=Math.max(a,c);return[b,a]},update:function(a){var b=this.get(),c=b.range,d=b.scale,b=c[0][0],e=c[1][0],f=c[2][0],h=c[0][1]-b,k=
-c[1][1]-e,c=c[2][1]-f,g=d[0],l=d[1],d=d[2],m=[h/(2*g),0,0,b+h/2,0,k/(2*l),0,e+k/2,0,0,c/(2*d),f+c/2,0,0,0,1];this.transform.set.apply(this.transform,[2*g/h,0,0,-(2*b+h)*g/h,0,2*l/k,0,-(2*e+k)*l/k,0,0,2*d/c,-(2*f+c)*d/c,0,0,0,1]);this.inverse.set.apply(this.inverse,m);MathBox.Viewport.prototype.update.call(this,a)},validateRange:function(a){a=a||[];for(var b=0;3>b;++b){a[b]=a[b]||[];for(var c=0;2>c;++c)a[b][c]=void 0!==a[b][c]?a[b][c]:2*c-1}return a},validateScale:function(a){a=a||[];for(var b=0;3>
+MathBox.ViewportCartesian.prototype=_.extend(new MathBox.Viewport(null),{defaults:function(){return{type:"cartesian",range:[[-1,1],[-1,1],[-1,1]],scale:[1,1,1],rotation:[0,0,0],position:[0,0,0]}},to:function(a){this.transform.multiplyVector3(a)},from:function(a){this.inverse.multiplyVector3(a)},axis:function(a){var b=this.get().range[a];a=b[0];var c=b[1],b=Math.min(a,c);a=Math.max(a,c);return[b,a]},update:function(a){var b=this.get(),c=b.range,e=b.scale,b=c[0][0],d=c[1][0],g=c[2][0],h=c[0][1]-b,k=
+c[1][1]-d,c=c[2][1]-g,f=e[0],l=e[1],e=e[2],m=[h/(2*f),0,0,b+h/2,0,k/(2*l),0,d+k/2,0,0,c/(2*e),g+c/2,0,0,0,1];this.transform.set.apply(this.transform,[2*f/h,0,0,-(2*b+h)*f/h,0,2*l/k,0,-(2*d+k)*l/k,0,0,2*e/c,-(2*g+c)*e/c,0,0,0,1]);this.inverse.set.apply(this.inverse,m);MathBox.Viewport.prototype.update.call(this,a)},validateRange:function(a){a=a||[];for(var b=0;3>b;++b){a[b]=a[b]||[];for(var c=0;2>c;++c)a[b][c]=void 0!==a[b][c]?a[b][c]:2*c-1}return a},validateScale:function(a){a=a||[];for(var b=0;3>
 b;++b)a[b]=a[b]||1;return a}});MathBox.Attributes.mixin(MathBox.Viewport);MathBox.Viewport.types.cartesian=MathBox.ViewportCartesian;MathBox.ViewportPolar=function(a){var b=MathBox.ViewportCartesian;b.call(this,a);this.super=b.prototype;_.extend(this._uniforms,{polarAlpha:0,polarAspect:1,polarPower:1,polarFold:1,polarFocus:1,polarHelix:0})};
-MathBox.ViewportPolar.prototype=_.extend(new MathBox.ViewportCartesian(null),{defaults:function(){return{type:"polar",range:[[-1,1],[-1,1],[-1,1]],polar:1,fold:1,power:1,helix:0,scale:[1,1,1],rotation:[0,0,0],position:[0,0,0]}},to:function(a){var b=this._uniforms.polarAspect,c=this._uniforms.polarFocus,d=this._uniforms.polarAlpha,e=this._uniforms.polarPower,f=this._uniforms.polarHelix;a.x*=this._uniforms.polarFold;a.y=Math.sign(a.y)*Math.pow(Math.abs(a.y),e);if(1E-4<d){var e=c+a.y*b,h=a.x*d;a.z+=
-a.x*f*d;a.x=Math.sin(h)*e;a.y=(Math.cos(h)*e-c)/b}this.transform.multiplyVector3(a)},from:function(a){var b=this._uniforms.polarAspect,c=this._uniforms.polarFocus,d=this._uniforms.polarAlpha,e=this._uniforms.polarFold,f=this._uniforms.polarPower,h=this._uniforms.polarHelix;this.inverse.multiplyVector3(a);if(1E-4<d){var k=a.x,g=a.y*b+c,l=Math.sqrt(k*k+g*g);theta=Math.atan2(k,g);a.x=theta/d;a.y=(l-c)/b;a.z-=a.x*h*d}a.x/=e;a.y=Math.sign(a.y)*Math.pow(Math.abs(a.y),1/f)},axis:function(a){var b=this.super.axis.call(this,
-a);min=b[0];max=b[1];alpha=this._uniforms.polarAlpha;aspect=this._uniforms.polarAspect;focus=this._uniforms.polarFocus;1==a&&0<alpha&&(max=Math.max(Math.abs(max),Math.abs(min)),min=Math.max(-focus/aspect+0.001,min));return[min,max]},update:function(a){var b=this.get(),c=b.range,d=b.scale,e=b.polar,f=b.fold,h=b.power,b=b.helix,k=1,g=c[0][0],l=c[1][0],m=c[2][0],n=c[0][1]-g,t=c[1][1]-l,c=c[2][1]-m,s=d[0],r=d[1],d=d[2],k=0<n?1:-1,q=Math.abs(t),q=n+(q*k-n)*e,k=Math.abs(q/s/(t/r)),u=[q/(2*s),0,0,g+n/2,
-0,t/(2*r),0,l+t/2,0,0,c/(2*d),m+c/2,0,0,0,1];this.transform.set.apply(this.transform,[2*s/q,0,0,-(2*g+n)*s/n,0,2*r/t,0,-(2*l+t)*r/t,0,0,2*d/c,-(2*m+c)*d/c,0,0,0,1]);this.inverse.set.apply(this.inverse,u);this._uniforms.polarAlpha=e;this._uniforms.polarAspect=k;this._uniforms.polarFold=f;this._uniforms.polarPower=h;this._uniforms.polarFocus=0<e?1/e-1:0;this._uniforms.polarHelix=b;MathBox.Viewport.prototype.update.call(this,a)},shader:function(a){a.snippet("polarPower").snippet("cartesianToPolar").snippet("mathToWorld")},
+MathBox.ViewportPolar.prototype=_.extend(new MathBox.ViewportCartesian(null),{defaults:function(){return{type:"polar",range:[[-1,1],[-1,1],[-1,1]],polar:1,fold:1,power:1,helix:0,scale:[1,1,1],rotation:[0,0,0],position:[0,0,0]}},to:function(a){var b=this._uniforms.polarAspect,c=this._uniforms.polarFocus,e=this._uniforms.polarAlpha,d=this._uniforms.polarPower,g=this._uniforms.polarHelix;a.x*=this._uniforms.polarFold;a.y=Math.sign(a.y)*Math.pow(Math.abs(a.y),d);if(1E-4<e){var d=c+a.y*b,h=a.x*e;a.z+=
+a.x*g*e;a.x=Math.sin(h)*d;a.y=(Math.cos(h)*d-c)/b}this.transform.multiplyVector3(a)},from:function(a){var b=this._uniforms.polarAspect,c=this._uniforms.polarFocus,e=this._uniforms.polarAlpha,d=this._uniforms.polarFold,g=this._uniforms.polarPower,h=this._uniforms.polarHelix;this.inverse.multiplyVector3(a);if(1E-4<e){var k=a.x,f=a.y*b+c,l=Math.sqrt(k*k+f*f);theta=Math.atan2(k,f);a.x=theta/e;a.y=(l-c)/b;a.z-=a.x*h*e}a.x/=d;a.y=Math.sign(a.y)*Math.pow(Math.abs(a.y),1/g)},axis:function(a){var b=this.super.axis.call(this,
+a);min=b[0];max=b[1];alpha=this._uniforms.polarAlpha;aspect=this._uniforms.polarAspect;focus=this._uniforms.polarFocus;1==a&&0<alpha&&(max=Math.max(Math.abs(max),Math.abs(min)),min=Math.max(-focus/aspect+0.001,min));return[min,max]},update:function(a){var b=this.get(),c=b.range,e=b.scale,d=b.polar,g=b.fold,h=b.power,b=b.helix,k=1,f=c[0][0],l=c[1][0],m=c[2][0],n=c[0][1]-f,t=c[1][1]-l,c=c[2][1]-m,s=e[0],r=e[1],e=e[2],k=0<n?1:-1,q=Math.abs(t),q=n+(q*k-n)*d,k=Math.abs(q/s/(t/r)),u=[q/(2*s),0,0,f+n/2,
+0,t/(2*r),0,l+t/2,0,0,c/(2*e),m+c/2,0,0,0,1];this.transform.set.apply(this.transform,[2*s/q,0,0,-(2*f+n)*s/n,0,2*r/t,0,-(2*l+t)*r/t,0,0,2*e/c,-(2*m+c)*e/c,0,0,0,1]);this.inverse.set.apply(this.inverse,u);this._uniforms.polarAlpha=d;this._uniforms.polarAspect=k;this._uniforms.polarFold=g;this._uniforms.polarPower=h;this._uniforms.polarFocus=0<d?1/d-1:0;this._uniforms.polarHelix=b;MathBox.Viewport.prototype.update.call(this,a)},shader:function(a){a.snippet("polarPower").snippet("cartesianToPolar").snippet("mathToWorld")},
 validatePolar:function(a){return Math.max(0,Math.min(1,+a||0))},validateFold:function(a){return+a||0},validatePower:function(a){return+a||0},validateHelix:function(a){return+a||0}});MathBox.Attributes.mixin(MathBox.Viewport);MathBox.Viewport.types.polar=MathBox.ViewportPolar;MathBox.ViewportProjective=function(a){var b=MathBox.ViewportCartesian;b.call(this,a);this.super=b.prototype;_.extend(this._uniforms,{projectiveTransform:new THREE.Matrix4,projectiveInverse:new THREE.Matrix4})};
 MathBox.ViewportProjective.prototype=_.extend(new MathBox.ViewportCartesian(null),{defaults:function(){return{type:"projective",range:[[-1,1],[-1,1],[-1,1]],scale:[1,1,1],rotation:[0,0,0],position:[0,0,0],projective:[[1,0,0,0],[0,1,0,0],[0,0,1,0],[0,0,0,1]]}},to:function(a){this._uniforms.projectiveTransform.multiplyVector3(a);this.transform.multiplyVector3(a)},from:function(a){this.inverse.multiplyVector3(a);this._uniforms.projectiveInverse.multiplyVector3(a)},update:function(a){var b=this._uniforms.projectiveTransform,
 c=this.get("projective");b.set.apply(b,c[0].concat(c[1],c[2],c[3]));this._uniforms.projectiveInverse.getInverse(b);MathBox.ViewportCartesian.prototype.update.call(this,a)},shader:function(a){a.snippet("projectiveTransform").snippet("mathToWorld")},validateProjective:function(a){if(a.constructor==Array){for(var b=0;3>b;++b)a[b]=a[b]&&a.constructor==Array&&a[b]||[],a[b]=a[b].concat([0,0,0,0]).slice(0,4);return a}}});MathBox.Attributes.mixin(MathBox.Viewport);MathBox.Viewport.types.projective=MathBox.ViewportProjective;
 MathBox.ViewportSphere=function(a){var b=MathBox.ViewportCartesian;b.call(this,a);this.super=b.prototype;_.extend(this._uniforms,{sphereAlpha:0,sphereAspectX:1,sphereAspectY:1,sphereYScale:1,sphereFocus:1})};
-MathBox.ViewportSphere.prototype=_.extend(new MathBox.ViewportCartesian(null),{defaults:function(){return{type:"sphere",range:[[-1,1],[-1,1],[-1,1]],sphere:1,scale:[1,1,1],rotation:[0,0,0],position:[0,0,0]}},to:function(a){var b=this._uniforms.sphereAspectX,c=this._uniforms.sphereAspectY,d=this._uniforms.sphereYScale,e=this._uniforms.sphereFocus,f=this._uniforms.sphereAlpha;if(1E-4<f){var h=e+a.z*b,k=a.x*f,d=a.y*f/c*d,f=Math.cos(d)*h;a.x=Math.sin(k)*f;a.y=Math.sin(d)*h*c;a.z=(Math.cos(k)*f-e)/b}this.transform.multiplyVector3(a)},
-from:function(a){var b=this._uniforms.sphereAspectX,c=this._uniforms.sphereAspectY,d=this._uniforms.sphereYScale,e=this._uniforms.sphereFocus,f=this._uniforms.sphereAlpha;this.inverse.multiplyVector3(a);if(1E-4<f){var h=a.x,k=a.y/c,g=a.z*b+e,l=Math.sqrt(h*h+k*k+g*g),k=Math.atan2(k,Math.sqrt(h*h+g*g)),h=Math.atan2(h,g);a.x=h/f;a.y=k/f*c/d;a.z=(l-e)/b}},axis:function(a){var b=this.super.axis.call(this,a);min=b[0];max=b[1];alpha=this._uniforms.sphereAlpha;beta=this._uniforms.sphereBeta;aspectX=this._uniforms.sphereAspectX;
-aspectY=this._uniforms.sphereAspectY;focus=this._uniforms.sphereFocus;2==a&&0<alpha&&(max=Math.max(Math.abs(max),Math.abs(min)),min=Math.max(-focus/aspectX,min));return[min,max]},update:function(a){var b=this.get(),c=b.range,d=b.scale,b=b.sphere,e=0<b?1/b-1:0,f=c[0][0],h=c[1][0],k=c[2][0],g=c[0][1]-f,l=c[1][1]-h,c=c[2][1]-k,m=d[0],n=d[1],d=d[2],t=0<g?1:-1,s=0<l?1:-1,r=Math.abs(c),t=g+(r*t-g)*b,s=l+(r*s-l)*b,r=c/d;aspectX=t/m/r;aspectY=s/n/r/aspectX;aspectZ=l/g*m/n*2;yScale=Math.min(aspectY/b,1+(aspectZ-
-1)*b);r=[t/(2*m),0,0,f+g/2,0,s/(2*n),0,h+l/2,0,0,c/(2*d),k+c/2,0,0,0,1];this.transform.set.apply(this.transform,[2*m/t,0,0,-(2*f+g)*m/g,0,2*n/s,0,-(2*h+l)*n/l,0,0,2*d/c,-(2*k+c)*d/c,0,0,0,1]);this.inverse.set.apply(this.inverse,r);this._uniforms.sphereAlpha=b;this._uniforms.sphereAspectX=aspectX;this._uniforms.sphereAspectY=aspectY;this._uniforms.sphereYScale=yScale;this._uniforms.sphereFocus=e;MathBox.Viewport.prototype.update.call(this,a)},shader:function(a){a.snippet("cartesianToSphere").snippet("mathToWorld")},
+MathBox.ViewportSphere.prototype=_.extend(new MathBox.ViewportCartesian(null),{defaults:function(){return{type:"sphere",range:[[-1,1],[-1,1],[-1,1]],sphere:1,scale:[1,1,1],rotation:[0,0,0],position:[0,0,0]}},to:function(a){var b=this._uniforms.sphereAspectX,c=this._uniforms.sphereAspectY,e=this._uniforms.sphereYScale,d=this._uniforms.sphereFocus,g=this._uniforms.sphereAlpha;if(1E-4<g){var h=d+a.z*b,k=a.x*g,e=a.y*g/c*e,g=Math.cos(e)*h;a.x=Math.sin(k)*g;a.y=Math.sin(e)*h*c;a.z=(Math.cos(k)*g-d)/b}this.transform.multiplyVector3(a)},
+from:function(a){var b=this._uniforms.sphereAspectX,c=this._uniforms.sphereAspectY,e=this._uniforms.sphereYScale,d=this._uniforms.sphereFocus,g=this._uniforms.sphereAlpha;this.inverse.multiplyVector3(a);if(1E-4<g){var h=a.x,k=a.y/c,f=a.z*b+d,l=Math.sqrt(h*h+k*k+f*f),k=Math.atan2(k,Math.sqrt(h*h+f*f)),h=Math.atan2(h,f);a.x=h/g;a.y=k/g*c/e;a.z=(l-d)/b}},axis:function(a){var b=this.super.axis.call(this,a);min=b[0];max=b[1];alpha=this._uniforms.sphereAlpha;beta=this._uniforms.sphereBeta;aspectX=this._uniforms.sphereAspectX;
+aspectY=this._uniforms.sphereAspectY;focus=this._uniforms.sphereFocus;2==a&&0<alpha&&(max=Math.max(Math.abs(max),Math.abs(min)),min=Math.max(-focus/aspectX,min));return[min,max]},update:function(a){var b=this.get(),c=b.range,e=b.scale,b=b.sphere,d=0<b?1/b-1:0,g=c[0][0],h=c[1][0],k=c[2][0],f=c[0][1]-g,l=c[1][1]-h,c=c[2][1]-k,m=e[0],n=e[1],e=e[2],t=0<f?1:-1,s=0<l?1:-1,r=Math.abs(c),t=f+(r*t-f)*b,s=l+(r*s-l)*b,r=c/e;aspectX=t/m/r;aspectY=s/n/r/aspectX;aspectZ=l/f*m/n*2;yScale=Math.min(aspectY/b,1+(aspectZ-
+1)*b);r=[t/(2*m),0,0,g+f/2,0,s/(2*n),0,h+l/2,0,0,c/(2*e),k+c/2,0,0,0,1];this.transform.set.apply(this.transform,[2*m/t,0,0,-(2*g+f)*m/f,0,2*n/s,0,-(2*h+l)*n/l,0,0,2*e/c,-(2*k+c)*e/c,0,0,0,1]);this.inverse.set.apply(this.inverse,r);this._uniforms.sphereAlpha=b;this._uniforms.sphereAspectX=aspectX;this._uniforms.sphereAspectY=aspectY;this._uniforms.sphereYScale=yScale;this._uniforms.sphereFocus=d;MathBox.Viewport.prototype.update.call(this,a)},shader:function(a){a.snippet("cartesianToSphere").snippet("mathToWorld")},
 validateSphere:function(a){return Math.max(0,Math.min(1,+a||0))}});MathBox.Attributes.mixin(MathBox.Viewport);MathBox.Viewport.types.sphere=MathBox.ViewportSphere;
diff --git a/build/MathBox.js b/build/MathBox.js
index e056f20..b04d1d1 100644
--- a/build/MathBox.js
+++ b/build/MathBox.js
@@ -6707,6 +6707,7 @@ MathBox.Label.prototype = _.extend(new MathBox.Primitive(null), {
       style: {
         color: new THREE.Color(0x707070),
       },
+      class_name: 'mathbox-labels',	// allow user to change css class of labels div
       text: ""
     };
   },
@@ -6741,11 +6742,12 @@ MathBox.Label.prototype = _.extend(new MathBox.Primitive(null), {
       position = options.position,
       text = options.text,
       distance = options.distance,
+      class_name = options.class_name,
       style = this.style,
     labelTangent = this.labelTangent = new THREE.Vector3(),
       labelPoint  = this.labelPoint = new THREE.Vector3();
 
-    var labelOptions = { dynamic: true, distance: distance };
+    var labelOptions = { dynamic: true, distance: distance, class_name: class_name };
     labelPoint.set.apply(labelPoint, position)
     // label text callback
     var callback = function (i) {
@@ -7211,7 +7213,8 @@ MathBox.Renderable.Labels.prototype = _.extend(new MathBox.Renderable(null), {
     return {
       absolute: true,
       distance: 15,
-      size: 1//,
+      size: 1,
+      class_name: 'mathbox-labels' //,
     };
   },
 
@@ -7220,6 +7223,7 @@ MathBox.Renderable.Labels.prototype = _.extend(new MathBox.Renderable(null), {
         points = this.points,
         tangent = this.tangent,
         sprites = this.sprites,
+        class_name = options.class_name,
         n = this.points.length;
 
     // Reusable vector for later.
@@ -7228,7 +7232,7 @@ MathBox.Renderable.Labels.prototype = _.extend(new MathBox.Renderable(null), {
     // Make parent object to hold all the label divs in one Object3D.
     var element = document.createElement('div');
     var object = this.object = new MathBox.Sprite(element);
-    element.className = 'mathbox-labels';
+    element.className = class_name;
 
     // Make sprites for all labels
     _.loop(n, function (i) {
@@ -7241,7 +7245,9 @@ MathBox.Renderable.Labels.prototype = _.extend(new MathBox.Renderable(null), {
       var sprite = new MathBox.Sprite(element, tangent);
 
       // Position at anchor point
-      element.className = 'mathbox-label';
+      if (class_name == "mathbox-labels"){
+	  element.className = 'mathbox-label';
+      }
       inner.className = 'mathbox-wrap';
       inner.style.position = 'relative';
       inner.style.display = 'inline-block';
diff --git a/build/MathBox.min.js b/build/MathBox.min.js
index a6a51d3..7422699 100644
--- a/build/MathBox.min.js
+++ b/build/MathBox.min.js
@@ -5,18 +5,18 @@ this),""!==this.postBody?(b.open("POST",a,!0),b.setRequestHeader("X-Requested-Wi
 window.threeBox=function(a,b){!a||a instanceof Node||(b=a,a=null);return tQuery.createWorld(b).threeBox(a,b)};MicroEvent.prototype.on=function(){MicroEvent.prototype.bind.apply(this,arguments);return this};MicroEvent.prototype.emit=function(){MicroEvent.prototype.trigger.apply(this,arguments);return this};MicroEvent.mixin=function(a){for(var b=["bind","unbind","trigger","on","emit"],c=0;c<b.length;c++)a.prototype[b[c]]=MicroEvent.prototype[b[c]]};tQuery.World.prototype.on=tQuery.World.prototype.addEventListener;
 tQuery.World.prototype.emit=tQuery.World.prototype.dispatchEvent;tQuery.World.registerInstance("threeBox",function(a,b){!a||a instanceof Node||(b=a,a=null);var c=a=a||document.body;a==document.body?(c.style.margin=0,c.style.padding=0,c.style.overflow="hidden"):(getComputedStyle(a),"static"==a.position&&(a.position="relative"));this.appendTo(c);this.addThreeBox(a,b||{});return this});
 tQuery.World.registerInstance("addThreeBox",function(a,b){console.assert(!0!==this.hasThreeBox());b=tQuery.extend(b,{cameraControls:!1,cursor:!0,controlClass:ThreeBox.OrbitControls,elementResize:!0,fullscreen:!0,screenshot:!0,stats:!0,scale:1});this.tRenderer().domElement.style.display="block";var c={};tQuery.data(this,"_threeBoxContext",c);var d=this.tCamera(),e=this.tRenderer();b.stats&&(c.stats=new Stats,c.stats.domElement.style.position="absolute",c.stats.domElement.style.left="10px",c.stats.domElement.style.top=
-"10px",a&&a.appendChild(c.stats.domElement),c.loopStats=function(){c.stats.update()},this.loop().hook(c.loopStats));if(b.cameraControls){var f=this.loop(),g=this.render.bind(this);c.cameraControls=new b.controlClass(d,a,b);if(c.cameraControls.on)c.cameraControls.on("change",function(){f._timerId||g()});this.setCameraControls(c.cameraControls)}b.elementResize&&(c.elementResize=ThreeBox.ElementResize.bind(e,d,a,b).on("resize",function(a,b){this._opts.renderW=a;this._opts.renderH=b;this.emit("resize",
+"10px",a&&a.appendChild(c.stats.domElement),c.loopStats=function(){c.stats.update()},this.loop().hook(c.loopStats));if(b.cameraControls){var f=this.loop(),h=this.render.bind(this);c.cameraControls=new b.controlClass(d,a,b);if(c.cameraControls.on)c.cameraControls.on("change",function(){f._timerId||h()});this.setCameraControls(c.cameraControls)}b.elementResize&&(c.elementResize=ThreeBox.ElementResize.bind(e,d,a,b).on("resize",function(a,b){this._opts.renderW=a;this._opts.renderH=b;this.emit("resize",
 a,b)}.bind(this)));null!==b.cursor&&(c.cursor=ThreeBox.Cursor.bind(a,b));THREEx&&THREEx.Screenshot&&b.screenshot&&(c.screenshot=THREEx.Screenshot.bindKey(e));THREEx&&THREEx.FullScreen&&b.fullscreen&&THREEx.FullScreen.available()&&(c.fullscreen=THREEx.FullScreen.bindKey());c._$onDestroy=this.bind("destroy",function(){!1!==this.hasThreeBox()&&this.removeThreeBox()});return this});tQuery.World.registerInstance("hasThreeBox",function(){return void 0===tQuery.data(this,"_threeBoxContext")?!1:!0});
 tQuery.World.registerInstance("removeThreeBox",function(){var a=tQuery.data(this,"_threeBoxContext");if(void 0===a)return this;tQuery.removeData(this,"_threeBoxContext");this.unbind("destroy",this._$onDestroy);a.stats&&(document.body.removeChild(a.stats.domElement),this.loop().unhook(a.loopStats));a.cameraControls&&this.removeCameraControls()&&a.cameraControls.stop();a.elementResize&&a.elementResize.unbind();a.cursor&&a.cursor.unbind();a.screenshot&&a.screenshot.unbind();a.fullscreen&&a.fullscreen.unbind()});
-ThreeBox.ElementResize=function(a,b,c,d){this.scale=d.scale||1;this.orbit=d.orbit;d=this.callback=function(){var d=Math.floor(c.offsetWidth),f=Math.floor(c.offsetHeight);a.domElement.style.position="absolute";a.domElement.style.width=d+"px";a.domElement.style.height=f+"px";var g=Math.floor(d/this.scale),h=Math.floor(f/this.scale);a.setSize(g,h);b.aspect=d/f;b instanceof THREE.OrthographicCamera&&(b.top=this.orbit/2,b.bottom=-b.top,b.left=-b.top*b.aspect,b.right=-b.bottom*b.aspect);b.updateProjectionMatrix();
-this.emit("resize",g,h)}.bind(this);window.addEventListener("resize",d,!1);c.addEventListener("resize",d,!1);setTimeout(d,0)};ThreeBox.ElementResize.bind=function(a,b,c,d){return new ThreeBox.ElementResize(a,b,c,d)};ThreeBox.ElementResize.prototype.scale=function(a){this.scale=a};ThreeBox.ElementResize.prototype.unbind=function(){window.removeEventListener("resize",callback);domElement.removeEventListener("resize",callback)};MicroEvent.mixin(ThreeBox.ElementResize);
+ThreeBox.ElementResize=function(a,b,c,d){this.scale=d.scale||1;this.orbit=d.orbit;d=this.callback=function(){var d=Math.floor(c.offsetWidth),f=Math.floor(c.offsetHeight);a.domElement.style.position="absolute";a.domElement.style.width=d+"px";a.domElement.style.height=f+"px";var h=Math.floor(d/this.scale),k=Math.floor(f/this.scale);a.setSize(h,k);b.aspect=d/f;b instanceof THREE.OrthographicCamera&&(b.top=this.orbit/2,b.bottom=-b.top,b.left=-b.top*b.aspect,b.right=-b.bottom*b.aspect);b.updateProjectionMatrix();
+this.emit("resize",h,k)}.bind(this);window.addEventListener("resize",d,!1);c.addEventListener("resize",d,!1);setTimeout(d,0)};ThreeBox.ElementResize.bind=function(a,b,c,d){return new ThreeBox.ElementResize(a,b,c,d)};ThreeBox.ElementResize.prototype.scale=function(a){this.scale=a};ThreeBox.ElementResize.prototype.unbind=function(){window.removeEventListener("resize",callback);domElement.removeEventListener("resize",callback)};MicroEvent.mixin(ThreeBox.ElementResize);
 ThreeBox.OrbitControls=function(a,b,c){this.element=b;this.camera=a;this.options=tQuery.extend(c,{phi:\u03c4/4,theta:0.3,orbit:2,lookAt:[0,0,0],speed:2});this.init();this.start();this.update()};
 ThreeBox.OrbitControls.prototype={init:function(){this.width=this.element&&this.element.offsetWidth;this.height=this.element&&this.element.offsetHeight;this.phi=this.options.phi;this.theta=this.options.theta;this.orbit=this.options.orbit;this.speed=this.options.speed;this.lookAt=new THREE.Vector3;this.lookAt.set.apply(this.lookAt,this.options.lookAt||[])},start:function(){var a=this;this._mouseDown=function(b){a.width=a.element&&a.element.offsetWidth;a.height=a.element&&a.element.offsetHeight;a.drag=
 !0;a.lastHover=a.origin={x:b.pageX,y:b.pageY};b.preventDefault()};this._mouseUp=function(){a.drag=!1};this._mouseMove=function(b){if(a.drag){var c={x:b.pageX-a.origin.x,y:b.pageY-a.origin.y},d={x:b.pageX-a.lastHover.x,y:b.pageY-a.lastHover.y};a.lastHover={x:b.pageX,y:b.pageY};a.moved(a.origin,c,d)}};this.element&&(this.element.addEventListener("mousedown",this._mouseDown,!1),document.addEventListener("mouseup",this._mouseUp,!1),document.addEventListener("mousemove",this._mouseMove,!1))},stop:function(){this.element&&
 (this.element.removeEventListener("mousedown",this._mouseDown),document.removeEventListener("mouseup",this._mouseUp),document.removeEventListener("mousemove",this._mouseMove))},moved:function(a,b,c){this.phi+=c.x*this.speed/this.width;this.theta=Math.min(\u03c0/2,Math.max(-\u03c0/2,this.theta+c.y*this.speed/this.height));this.emit("change")},update:function(){this.camera.position.x=Math.cos(this.phi)*Math.cos(this.theta)*this.orbit;this.camera.position.y=Math.sin(this.theta)*this.orbit;this.camera.position.z=
 Math.sin(this.phi)*Math.cos(this.theta)*this.orbit;this.camera.position.addSelf(this.lookAt);this.camera.lookAt(this.lookAt)}};ThreeBox.OrbitControls.bind=function(a,b,c){return new ThreeBox.OrbitControls(a,b,c)};MicroEvent.mixin(ThreeBox.OrbitControls);
-ThreeBox.Cursor=function(a,b){function c(){f||(a.style.cursor=d);clearTimeout(e);f=!1;e=setTimeout(function(){f=!0;a.style.cursor="none"},g)}var d=b.cameraControls?"move":"default",e=null,f=!1,g=2E3;b.cursor?a.style.cursor=d:(a.addEventListener("mousemove",c),a.style.cursor="none");return{unbind:function(){a.removeEventListener("mousemove",c)}}};ThreeBox.Cursor.bind=function(a,b){return ThreeBox.Cursor(a,b)};
-ThreeBox.preload=function(a,b){a instanceof Function&&(b=a,a=[]);a="string"==typeof a?[a]:a;var c=a.length,d={},e=function(a){_.extend(d,a||{});0==--c&&b(d)},f=ThreeBox.preload,g={},h={html:f.html,jpg:f.image,png:f.image,gif:f.image,mp3:f.audio};_.each(h,function(a,b){g[b]=RegExp("\\."+b+"$")});_.each(a,function(a){_.each(h,function(b,c){if(a.match(g[c])){var d=a.split(/\//g).pop().replace(/\.[A-Za-z0-9]+$/,"");b(a,d,e)}})})};
+ThreeBox.Cursor=function(a,b){function c(){f||(a.style.cursor=d);clearTimeout(e);f=!1;e=setTimeout(function(){f=!0;a.style.cursor="none"},h)}var d=b.cameraControls?"move":"default",e=null,f=!1,h=2E3;b.cursor?a.style.cursor=d:(a.addEventListener("mousemove",c),a.style.cursor="none");return{unbind:function(){a.removeEventListener("mousemove",c)}}};ThreeBox.Cursor.bind=function(a,b){return ThreeBox.Cursor(a,b)};
+ThreeBox.preload=function(a,b){a instanceof Function&&(b=a,a=[]);a="string"==typeof a?[a]:a;var c=a.length,d={},e=function(a){_.extend(d,a||{});0==--c&&b(d)},f=ThreeBox.preload,h={},k={html:f.html,jpg:f.image,png:f.image,gif:f.image,mp3:f.audio};_.each(k,function(a,b){h[b]=RegExp("\\."+b+"$")});_.each(a,function(a){_.each(k,function(b,c){if(a.match(h[c])){var d=a.split(/\//g).pop().replace(/\.[A-Za-z0-9]+$/,"");b(a,d,e)}})})};
 ThreeBox.preload.html=function(a,b,c){new microAjax(a,function(b){var e;(e=b.match(/^<script[^>]*type=['"]text\/javascript['"][^>]*>([\s\S]+?)<\/script>$/m))?(b=document.createElement("script"),b.type="text/javascript",b.innerHTML=e[1],document.body.appendChild(b)):(e=document.createElement("div"),e.innerHTML=b,document.body.appendChild(e));console.log("Loaded HTML ",a);c()})};
 ThreeBox.preload.image=function(a,b,c){THREE.ImageUtils.loadTexture(a,null,function(d){var e={};e[b]=d;console.log("Loaded texture ",a);c(e)})};ThreeBox.preload.audio=function(a,b,c){var d=new XMLHttpRequest;d.open("GET",a,!0);d.responseType="arraybuffer";d.onload=function(){var e={};e[b]=d.response;console.log("Loaded audio ",a);c(e)};d.send()};(function(a){for(var b in a)if(!window[b])throw"Error: ThreeRTT requires "+a[b];})({THREE:"Three.js"});window.ThreeRTT=window.ThreeRTT||{};
 ThreeRTT.World=function(){};ThreeRTT.getShader=function(a){var b=document.getElementById(a);return b&&b.innerText||a};_.loop=function(a,b){for(var c=0;c<a;++c)b(c)};ThreeRTT.getShader=function(a){var b=document.getElementById(a);return b&&(b.innerText||b.textContent)||a};ThreeRTT.isPowerOfTwo=function(a){return 0===(a&a-1)};ThreeRTT.toTarget=function(a){return ThreeRTT.Stage&&a instanceof ThreeRTT.Stage?a.target:ThreeRTT.World&&a instanceof ThreeRTT.World?a.target():a};
@@ -29,17 +29,17 @@ ThreeRTT.Camera=function(a){if(a instanceof THREE.Camera)return a;a=_.extend({as
 ThreeRTT.RenderTarget=function(a,b){this.options=b=_.extend({width:256,height:256,texture:{},clear:{color:!1,depth:!1,stencil:!1},clearColor:16777215,clearAlpha:1,history:0,scene:null,camera:null,autoAdvance:!0},b);this.renderer=a;ThreeRTT.isPowerOfTwo(b.width)&&ThreeRTT.isPowerOfTwo(b.height)||b.texture.minFilter||(b.texture.minFilter=THREE.LinearFilter);this.history(this.options.history,!0);this.size(b.width,b.height);this.clear()};
 ThreeRTT.RenderTarget.prototype={read:function(a){a=Math.max(0,Math.min(this.options.history,Math.abs(a||0)));return this.virtuals[a]},write:function(){return this.targets[this.index]},history:function(a,b){void 0!==a&&(this._history=a,this.buffers=a+2,b||this.allocate());return this._history},size:function(a,b){void 0!==a&&void 0!==b&&(this.width=Math.max(1,Math.floor(a)),this.height=Math.max(1,Math.floor(b)),this.allocate());return{width:this.width,height:this.height}},deallocate:function(){this.deallocateTargets()},
 allocate:function(){this.deallocateTargets();this.allocateTargets();this.allocateVirtuals()},deallocateTargets:function(){_.each(this.targets||[],function(a){a.dispose()}.bind(this))},allocateTargets:function(){var a=this.options;n=this.buffers;var b=this.targets=[];_.loop(n,function(c){b.push(new THREE.WebGLRenderTarget(this.width,this.height,a.texture));b[c].__index=c}.bind(this))},allocateVirtuals:function(){var a=this.targets[0],b=this.virtuals||[];n=Math.max(1,this.buffers-1);n>b.length?_.loop(n-
-b.length,function(){b.push(a.clone())}.bind(this)):b=b.slice(0,n);_.each(b,function(a,b){a.width=this.width;a.height=this.height;a.__index=b}.bind(this));this.virtuals=b;this.index=-1;this.advance()},advance:function(){var a=this.targets,b=this.virtuals,c=this.index,d=this.buffers,e=b.length;this.index=c=(c+1)%d;_.loop(e,function(f){var g=b[f];f=a[(e-f+c)%d];g.__webglTexture=f.__webglTexture;g.__webglFramebuffer=f.__webglFramebuffer;g.__webglRenderbuffer=f.__webglRenderbuffer;g.__index=f.__index})},
+b.length,function(){b.push(a.clone())}.bind(this)):b=b.slice(0,n);_.each(b,function(a,b){a.width=this.width;a.height=this.height;a.__index=b}.bind(this));this.virtuals=b;this.index=-1;this.advance()},advance:function(){var a=this.targets,b=this.virtuals,c=this.index,d=this.buffers,e=b.length;this.index=c=(c+1)%d;_.loop(e,function(f){var h=b[f];f=a[(e-f+c)%d];h.__webglTexture=f.__webglTexture;h.__webglFramebuffer=f.__webglFramebuffer;h.__webglRenderbuffer=f.__webglRenderbuffer;h.__index=f.__index})},
 clear:function(){var a=this.options,b=a.clear,c=this.renderer,d=c.getClearColor().clone(),e=c.getClearAlpha();c.setClearColor(a.clearColor,a.clearAlpha);c.clearTarget(this.write(),b.color,b.depth,b.stencil);c.setClearColor(d,e)},render:function(a,b){this.emit("render",a,b);var c=this.renderer.autoClear;this.renderer.autoClear=!1;this.clear();this.renderer.render(a,b,this.write());this.renderer.autoClear=c;this.options.autoAdvance&&this.advance()},uniform:function(a){var b=this.history();if(b){var c=
 [];_.loop(b+1,function(a){c.push(this.read(-a))}.bind(this));return{type:"tv",value:c,count:b+1}}return{type:"t",value:a,texture:this.read(),count:1}}};MicroEvent.mixin(ThreeRTT.RenderTarget);ThreeRTT.ScreenGeometry=function(){return new THREE.PlaneGeometry(2,2,1,1)};
 ThreeRTT.ShaderMaterial=function(a,b,c,d,e){if(d instanceof Array){var f={};_.each(d,function(a,b){f["texture"+(i+1)]=a});d=f}else if(d instanceof THREE.Texture||d instanceof ThreeRTT.World||d instanceof THREE.WebGLRenderTarget)d={texture1:d};a instanceof Array||(a=[a]);a=_.map(a,function(a){return ThreeRTT.toTarget(a)});e=_.extend(e||{},{sampleStep:{type:"v2",value:new THREE.Vector2}});_.each(d,function(a,b){e[b]={type:"t",value:ThreeRTT.toTexture(a)}});_.each(a,function(a,b){var c="texture"+(b+
 1);a.read&&!e[c]&&(e[c]={type:"t",value:a.read()})});e.texture1&&!e.texture&&(e.texture=e.texture1);a[0].on("render",function(){var b=a[0].options.texture,c=b.wrapT,d={1E3:0,1001:1,1002:0},f=e.sampleStep.value;f.x=1/(a[0].width-(d[b.wrapS]||0));f.y=1/(a[0].height-(d[c]||0))});return new THREE.ShaderMaterial({uniforms:e,vertexShader:ThreeRTT.getShader(b||"generic-vertex"),fragmentShader:ThreeRTT.getShader(c||"generic-fragment-texture")})};
 ThreeRTT.FragmentMaterial=function(a,b,c,d){a=new ThreeRTT.ShaderMaterial(a,"generic-vertex-screen",b,c,d);a.side=THREE.DoubleSide;a.depthTest=!1;a.depthWrite=!1;a.transparent=!0;a.blending=THREE.NoBlending;return a};
-ThreeRTT.ScaleMaterial=function(a,b,c){var d={};a=ThreeRTT.toTarget(a);b=ThreeRTT.toTarget(b);d=_.extend(d,{sampleAlignment:{type:"v2",value:new THREE.Vector2},texture:{type:"t",value:a.read()}});b.on("render",function(){var e=a,g=b,h=g.height*c/e.height,k=d.sampleAlignment.value;k.x=g.width*c/e.width;k.y=h});var e=new THREE.ShaderMaterial({uniforms:d,vertexShader:ThreeRTT.getShader("rtt-vertex-downsample"),fragmentShader:ThreeRTT.getShader("generic-fragment-texture")});e.side=THREE.DoubleSide;e.depthTest=
+ThreeRTT.ScaleMaterial=function(a,b,c){var d={};a=ThreeRTT.toTarget(a);b=ThreeRTT.toTarget(b);d=_.extend(d,{sampleAlignment:{type:"v2",value:new THREE.Vector2},texture:{type:"t",value:a.read()}});b.on("render",function(){var e=a,h=b,k=h.height*c/e.height,g=d.sampleAlignment.value;g.x=h.width*c/e.width;g.y=k});var e=new THREE.ShaderMaterial({uniforms:d,vertexShader:ThreeRTT.getShader("rtt-vertex-downsample"),fragmentShader:ThreeRTT.getShader("generic-fragment-texture")});e.side=THREE.DoubleSide;e.depthTest=
 !1;e.depthWrite=!1;e.transparent=!0;e.blending=THREE.NoBlending;return e};ThreeRTT.DownsampleMaterial=function(a,b){return new ThreeRTT.ScaleMaterial(a,b,2)};ThreeRTT.UpsampleMaterial=function(a,b){return new ThreeRTT.ScaleMaterial(a,b,0.5)};
 ThreeRTT.RaytraceMaterial=function(a,b,c,d,e){a instanceof Array||(a=[a]);c=new ThreeRTT.ShaderMaterial(a,"raytrace-vertex-screen",c,d,e);e=_.extend(c.uniforms||{},{raytraceViewport:{type:"v2",value:new THREE.Vector2},raytracePosition:{type:"v3",value:new THREE.Vector3},raytraceMatrix:{type:"m4",value:new THREE.Matrix4}});a=ThreeRTT.toTarget(a[0]);var f=new THREE.Vector3;a.on("render",function(a){b.updateMatrixWorld();b.fov&&(a=Math.tan(b.fov*\u03c0/360),e.raytraceViewport.value.set(a*b.aspect,a));
 b.matrixWorld&&(e.raytraceMatrix.value.copy(b.matrixWorld),e.raytraceMatrix.value.setPosition(f),e.raytracePosition.value.getPositionFromMatrix(b.matrixWorld))});return c};ThreeRTT.Display=function(a,b,c){a instanceof Array||(a=[a]);this.gx=b||a.length;this.gy=c||1;this.targets=a;this.n=a.length;THREE.Object3D.call(this);this.make()};
-ThreeRTT.Display.prototype=_.extend(new THREE.Object3D,{make:function(){for(var a=this.n,b=this.gx,c=this.gy,d=this.targets,e=(b-1)/2,f=(c-1)/2,g=new THREE.PlaneGeometry(1,1,1,1),h=0,k=0;h<a&&k<c;++k)for(var l=0;h<a&&l<b;++l,++h){var m=new THREE.MeshBasicMaterial({color:16777215,map:ThreeRTT.toTexture(d[h]),fog:!1});m.side=THREE.DoubleSide;m=new THREE.Mesh(g,m);m.renderDepth=1E4+Math.random();this.add(m);1<b&&(m.position.x=-e+l);1<c&&(m.position.y=f-k)}}});
+ThreeRTT.Display.prototype=_.extend(new THREE.Object3D,{make:function(){for(var a=this.n,b=this.gx,c=this.gy,d=this.targets,e=(b-1)/2,f=(c-1)/2,h=new THREE.PlaneGeometry(1,1,1,1),k=0,g=0;k<a&&g<c;++g)for(var l=0;k<a&&l<b;++l,++k){var m=new THREE.MeshBasicMaterial({color:16777215,map:ThreeRTT.toTexture(d[k]),fog:!1});m.side=THREE.DoubleSide;m=new THREE.Mesh(h,m);m.renderDepth=1E4+Math.random();this.add(m);1<b&&(m.position.x=-e+l);1<c&&(m.position.y=f-g)}}});
 ThreeRTT.World=function(a,b){b=b||{};b=_.extend({autoRendering:!0,autoSize:!(b.width&&b.height),order:++ThreeRTT.World.sequence,scale:1},b);b.width=!b.autoSize&&b.width||(a._opts&&a._opts.renderW||256)/b.scale;b.height=!b.autoSize&&b.height||(a._opts&&a._opts.renderH||256)/b.scale;a.on("resize",function(a,d){b.autoSize&&(a/=b.scale,d/=b.scale,this.size(a,d))}.bind(this));this._options=b;this._world=a;this._autoRendering=b.autoRendering;this._renderer=a.tRenderer();this._stage=new ThreeRTT.Stage(this._renderer,
 b);this._tScene=this._stage.scene;this._tCamera=this._stage.camera;this.queue=ThreeRTT.RenderQueue.bind(a);b.autoRendering&&this.queue.add(this);this.size(b.width,b.height,!0)};ThreeRTT.World.sequence=1E5;
 ThreeRTT.World.prototype=_.extend(new THREE.Object3D,tQuery.World.prototype,{stage:function(){return this._stage},target:function(){return this._stage.target},autoSize:function(a){void 0!==a&&(this._options.autoSize=a);return this._options.autoSize},adjust:function(a){var b=this._options.scale,c=this._options.width,d=this._options.height;this._options.autoSize&&(d=this._world._opts,c=d.renderW,d=d.renderH);c/=b;d/=b;this._opts={renderW:c,renderH:d};a||this._stage.size(c,d)},scale:function(a){return a?
@@ -56,43 +56,43 @@ tQuery.registerStatic("createRaytraceMaterial",function(a,b,c,d,e){return new Th
 function(b){this.snippet=new a.Snippet(b);a.Block.call(this)};a.Block.Snippet.prototype=_.extend({},a.Block.prototype,{insert:function(b,c,d){a.Block.Snippet.compileCall(b,c,this.node(),this.snippet,d)},fetch:function(a,c,d,e){a.include(this,c)||this.insert(a,c,e);return this.id(a,c,d,e)},outlets:function(){return a.Block.Snippet.makeOutlets(this.snippet)}});a.Block.Material=function(b,c){this.vertex=new a.Snippet(b);this.fragment=new a.Snippet(c);a.Block.call(this)};a.Block.Material.prototype=_.extend({},
 a.Block.prototype,{compile:function(){if(0<this.node().outputs.length)throw"Can't compile material with outputs";this.node();var b=new a.Program;this.insert(b,"vertex",0);this.insert(b,"fragment",0);b.compile();return b},insert:function(b,c,d){a.Block.Snippet.compileCall(b,c,this.node(),this[c],d)},fetch:function(a,c,d,e){a.include(this,c)||this.insert(a,c,e);"fragment"==c&&(a.include(this,"vertex")||this.insert(a,"vertex",0));return this.id(a,c,d,e)},outlets:function(){var b=a.Block.Snippet.makeOutlets(this.vertex),
 c=a.Block.Snippet.makeOutlets(this.fragment);return _.union(b,c)}});a.Block.Snippet.makeOutlets=function(b){var c=[];if(b.outlets)return b.outlets;var d=b.arguments();_.each(d.parameters,function(b){b=_.extend({},b);b.meta={required:!0};b.hint=b.name.replace(/(In|Out)$/,"");b.category="parameter";if(b.inout==a.INOUT){b.meta.inout=!0;var d=_.extend({},b);d.inout=a.IN;c.push(d);b.inout=a.OUT}c.push(b)});_.each(d.uniforms,function(b){b.meta={};b.hint=b.name.replace(/(In|Out)$/,"");b.category="uniform";
-b.inout=a.IN;c.push(b)});return b.outlets=c};a.Block.Snippet.compileCall=function(b,c,d,e,f){var g=e.arguments(),h=[];_.each(g.parameters,function(e){var g=d.get(e.name,e.inout==a.INOUT?a.IN:e.inout);if(e.inout==a.IN||e.inout==a.INOUT)if(g.input)g=g.input.node.owner().fetch(b,c,g.input,f+1),b.variable(c,g,e),h.push(g);else throw console.log("Outlet",e,input),["Missing connection on outlet for "+e.name];else e.inout==a.OUT&&(g=g.id(),b.variable(c,g,e),h.push(g))});var k=[];_.each(g.uniforms,function(a){var e=
-d.get(a.name);e.input?(e=e.input.node.owner().fetch(b,c,e.input,f+1),b.variable(c,e,a),h.push(e),k.push(a.name)):b.external("uniform",a)});_.each(g.attributes,function(a){b.external("attribute",a)});_.each(g.varyings,function(a){b.external("varying",a)});g=["_sg",c,e.name,d.owner().index].join("_");e=e.compile(g,k,!0);b.add(c,g,h,e,f)}})(ShaderGraph);
+b.inout=a.IN;c.push(b)});return b.outlets=c};a.Block.Snippet.compileCall=function(b,c,d,e,f){var h=e.arguments(),k=[];_.each(h.parameters,function(e){var g=d.get(e.name,e.inout==a.INOUT?a.IN:e.inout);if(e.inout==a.IN||e.inout==a.INOUT)if(g.input)g=g.input.node.owner().fetch(b,c,g.input,f+1),b.variable(c,g,e),k.push(g);else throw console.log("Outlet",e,input),["Missing connection on outlet for "+e.name];else e.inout==a.OUT&&(g=g.id(),b.variable(c,g,e),k.push(g))});var g=[];_.each(h.uniforms,function(a){var e=
+d.get(a.name);e.input?(e=e.input.node.owner().fetch(b,c,e.input,f+1),b.variable(c,e,a),k.push(e),g.push(a.name)):b.external("uniform",a)});_.each(h.attributes,function(a){b.external("attribute",a)});_.each(h.varyings,function(a){b.external("varying",a)});h=["_sg",c,e.name,d.owner().index].join("_");e=e.compile(h,g,!0);b.add(c,h,k,e,f)}})(ShaderGraph);
 (function(a){a.Factory=function(){this.end()};a.Factory.prototype={snippet:function(b,c){c=c||"append";var d=new a.Block.Snippet(ShaderGraph.getShader(b));this[c](d.node());return this},material:function(b,c,d){d=d||"append";b=new a.Block.Material(ShaderGraph.getShader(b),ShaderGraph.getShader(c));this[d](b.node());return this},snippetBefore:function(a){this.snippet(a,"prepend");return this},materialBefore:function(a,c){this.material(code,"prepend");return this},append:function(a){a.graph||this.graph.add(a);
 var c=this.stack[0];_.each(c.end,function(c){c.connect(a)});c.start.length||(c.start=[a]);c.end=[a];return this},prepend:function(a){a.graph||this.graph.add(a);var c=this.stack[0];_.each(c.start,function(c){a.connect(c)});c.end.length||(c.end=[a]);c.start=[a];return this},group:function(){this.stack.unshift({start:[],end:[]});this.stack.unshift({start:[],end:[]});return this},pass:function(){this.next();this.stack[0].start.push(null);return this.combine()},next:function(){var a=this.stack.shift(),
 c=this.stack[0];c.start=c.start.concat(a.start);c.end=c.end.concat(a.end);this.stack.unshift({start:[],end:[]});return this},combine:function(){if(2>=this.stack.length)throw"Popping factory stack too far.";this.next();this.stack.shift();var a=this.stack.shift(),c=this.stack[0];a.start.length&&(_.each(a.start,function(d){d?_.each(c.end,function(a){a.connect(d,!0)}):a.end=a.end.concat(c.end)}),c.end=a.end);return this},end:function(){var b=this.graph;this.graph=new a.Graph;this.stack=[];this.group();
 b&&(b.compile=function(){return b.tail().owner().compile()});return b}}})(ShaderGraph);
 (function(a){a.Program=function(){this.calls={vertex:{},fragment:{}};this.variables={vertex:{},fragment:{}};this.externals={};this.compiled=!1;this.attributes={};this.uniforms={};this.fragmentShader=this.vertexShader="";this.includes={vertex:[],fragment:[]}};a.Program.types={f:"float",v2:"vec2",v3:"vec3",v4:"vec4",m3:"mat3",m4:"mat4",t:"sampler2D"};a.Program.prototype={include:function(a,c){if(0<=this.includes[c].indexOf(a))return!0;this.includes[c].push(a);return!1},external:function(a,c){c=_.extend({category:a},
-c);this.externals[c.name]=c},variable:function(a,c,d){d=_.extend({},d,{name:c});this.variables[a][c]=d},add:function(a,c,d,e,f){var g=this.calls[a][c];g?g.priority=Math.min(g.priority,f):this.calls[a][c]={name:c,args:d,code:e,priority:f}},compile:function(){_.each(this.externals,function(a){"uniform"==a.category&&(this.uniforms[a.name]={type:a.type,value:a.value});"attribute"==a.category&&(this.attributes[a.name]={type:a.type,value:[]})}.bind(this));_.each(["vertex","fragment"],function(b){var c=
+c);this.externals[c.name]=c},variable:function(a,c,d){d=_.extend({},d,{name:c});this.variables[a][c]=d},add:function(a,c,d,e,f){var h=this.calls[a][c];h?h.priority=Math.min(h.priority,f):this.calls[a][c]={name:c,args:d,code:e,priority:f}},compile:function(){_.each(this.externals,function(a){"uniform"==a.category&&(this.uniforms[a.name]={type:a.type,value:a.value});"attribute"==a.category&&(this.attributes[a.name]={type:a.type,value:[]})}.bind(this));_.each(["vertex","fragment"],function(b){var c=
 [];_.each(this.externals,function(a){"attribute"==a.category&&"fragment"==b||c.push([a.category,a.signature,";"].join(" "))}.bind(this));var c=c.join("\n"),d=_.toArray(this.calls[b]),e=[c],f=["void main() {"];_.each(this.variables[b],function(b){f.push([a.Program.types[b.type],b.name,";"].join(" "))});d.sort(function(a,b){return b.priority-a.priority});_.each(d,function(a){e.push(a.code);f.push([a.name,"(",a.args.join(","),");"].join(""))});f.push("}");this[b+"Shader"]=[e.join("\n"),f.join("\n")].join("\n")}.bind(this));
 this.compiled=!0},material:function(){if(!this.compiled)throw"Fetching material from uncompiled program.";return new THREE.ShaderMaterial({uniforms:this.uniforms,vertexShader:this.vertex,fragmentShader:this.fragment})}}})(ShaderGraph);
 (function(a){a.Snippet=function(b){if(a.Snippet.cache[b])return a.Snippet.cache[b];a.Snippet.cache[b]=this;this.code=b;this.attributes=[];this.uniforms=[];this.varyings=[];this.parameters=[];this.body=this.signature="";this.parseCode(b)};a.Snippet.cache={};a.Snippet.types={"float":"f",vec2:"v2",vec3:"v3",vec4:"v4",mat3:"m3",mat4:"m4",sampler2D:"t",samplerCube:"t"};a.Snippet.defaults={"float":0,vec2:new THREE.Vector3,vec3:new THREE.Vector3,vec4:new THREE.Vector4,mat4:new THREE.Matrix4,sampler2D:0,
 samplerCube:0};a.Snippet.prototype={compile:function(a,c,d){var e=this.signature.slice(),f=[];c=c||[];_.each(this.uniforms,function(a){0<=c.indexOf(a.name)?e.push(a.signature):d||f.push(["uniform",a.signature].join(" "))});!d&&_.each(this.attributes,function(a){f.push(["attribute",a.signature].join(" "))});!d&&_.each(this.varyings,function(a){f.push(["varying",a.signature].join(" "))});a=this.body.replace(/\s*void\s+([A-Za-z0-9]+)\s*\([^\)]*\)/g,["void",a+"(",e.join(", "),")"].join(" "));f.push(a);
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 a[1];this.varyings.push({name:a[3],type:this.type(a[2],a[4]),signature:c})},parseSignature:function(b){this.name=b[1];var c=b[2].replace(/^\s*$/g,"");0==c.length?this.signature=[]:(arguments=this.signature=c.split(","),_.each(arguments,function(b){b=/((?:(in|out|inout)\s+)?([A-Za-z0-9]+)\s+([A-Za-z0-9_]+)\s*(?:\[([^\]]+)\])?)(?:$|(?=;))/.exec(b);var c=b[1];this.parameters.push({inout:{"in":a.IN,out:a.OUT,inout:a.INOUT}[b[2]||"in"],name:b[4],type:this.type(b[3],b[5]),signature:c})}.bind(this)))},parseCode:function(a){function c(a,
-b){if(!a.global)throw"Can't findAll non-global regexp";for(var c,d=[];c=a.exec(b);)d.push(c);return d}a=a.replace(/\r\n?/g,"\n").replace(/\/\/[^\n]*\n/g," ").replace(/\/\*(.|\n)*?\*\//g," ");var d=c(/(?:^|;)\s*attribute\s+(([A-Za-z0-9]+)\s+([A-Za-z0-9_]+)\s*(?:\[([^\]]+)\])?)(?:$|(?=;))/g,a),e=c(/(?:^|;)\s*uniform\s+(([A-Za-z0-9]+)\s+([A-Za-z0-9_]+)\s*(?:\[([^\]]+)\])?)(?:$|(?=;))/g,a),f=c(/(?:^|;)\s*varying\s+(([A-Za-z0-9]+)\s+([[A-Za-z0-9_]+)\s*(?:\[([^\]]+)\])?)(?:$|(?=;))/g,a),g=c(/(?:^|;)\s*void\s+([A-Za-z0-9]+)\s*\(([^\)]*)\)\s*{/g,
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+b){if(!a.global)throw"Can't findAll non-global regexp";for(var c,d=[];c=a.exec(b);)d.push(c);return d}a=a.replace(/\r\n?/g,"\n").replace(/\/\/[^\n]*\n/g," ").replace(/\/\*(.|\n)*?\*\//g," ");var d=c(/(?:^|;)\s*attribute\s+(([A-Za-z0-9]+)\s+([A-Za-z0-9_]+)\s*(?:\[([^\]]+)\])?)(?:$|(?=;))/g,a),e=c(/(?:^|;)\s*uniform\s+(([A-Za-z0-9]+)\s+([A-Za-z0-9_]+)\s*(?:\[([^\]]+)\])?)(?:$|(?=;))/g,a),f=c(/(?:^|;)\s*varying\s+(([A-Za-z0-9]+)\s+([[A-Za-z0-9_]+)\s*(?:\[([^\]]+)\])?)(?:$|(?=;))/g,a),h=c(/(?:^|;)\s*void\s+([A-Za-z0-9]+)\s*\(([^\)]*)\)\s*{/g,
+a);if(!h[0])throw"Could not parse shader snippet. Must contain a void-returning function with in/outs: "+a;var k=a;_.each({parseAttribute:d,parseUniform:e,parseVarying:f},function(a,b){_.each(a,function(a){this[b](a);k=k.replace(a[0],"")}.bind(this))}.bind(this));k=k.replace(/^\s*;/,"");this.parseSignature(h[0]);this.body=k}}})(ShaderGraph);
 (function(a){a.Graph=function(a,c){this.parent=c||null;this.nodes=[];a&&this.add(a)};a.Graph.prototype={iterate:function(a){_.each(this.nodes,function(c){a(c,c._owner)})},exposed:function(){var a=[];this.iterate(function(c){_.each(c.outlets(),function(c){c.exposed&&a.push(c)})});return a},inputs:function(){var a=[];this.iterate(function(c){_.each(c.inputs,function(c){null==c.input&&a.push(c)})});return a},outputs:function(){var a=[];this.iterate(function(c){_.each(c.outputs,function(c){0==c.output.length&&
 a.push(c)})});return a},tail:function(){return this.nodes[this.nodes.length-1]},add:function(a){if(a.constructor==Array)return _.each(a,function(a){this.add(a)}.bind(this));if(a.graph)throw"Adding node to two graphs at once";a.link(this);this.nodes.push(a)},remove:function(a,c){var d=this;if(a.constructor==Array)return _.each(a,function(a){d.remove(a)});if(a.graph!=this)throw"Removing node from wrong graph.";c||a.disconnect();this.nodes.splice(this.nodes.indexOf(a),1)}};a.IN=0;a.OUT=1;a.INOUT=2})(ShaderGraph);
 (function(a){a.Node=function(a,c){this.graph=null;this.inputs=[];this.outputs=[];this._outlets={};this.owner(a);this.outlets(c)};a.Node.prototype={owner:function(a){return void 0!==a?(this._owner=a,this):this._owner},link:function(a){this.graph=a},getIn:function(b){return this.get(b,a.IN)},getOut:function(b){return this.get(b,a.OUT)},get:function(b,c){return void 0===c?this.get(b,a.IN)||this.get(b,a.OUT):this._outlets[[b,c].join("-")]},key:function(a){return[a.name,a.inout].join("-")},outlets:function(b){if(void 0!==
 b){var c={};_.each(b,function(a){c[[a.name,a.inout,a.type].join("-")]=!0}.bind(this));_.each(this._outlets,function(a){c[[a.name,a.inout,a.type].join("-")]||this.remove(a)}.bind(this));_.each(b,function(b){var c=this.get(b.name,b.inout);c?c.morph(b):(b=new a.Outlet(b),this.add(b))}.bind(this));return this}return this._outlets},add:function(b){var c=this.key(b);outlets=this._outlets;_in=this.inputs;_out=this.outputs;if(b.node)throw"Adding outlet to two nodes at once.";if(outlets[c])throw"Adding two identical outlets to same node.";
 b.link(this);outlets[c]=b;(b.inout==a.IN?_in:_out).push(b);return this},remove:function(b){var c=this._outlets,d=this.key(b),e=b.inout==a.IN?this.inputs:this.outputs;if(b.node!=this)throw"Removing outlet from wrong node.";b.disconnect();b.link(null);delete c[d];e.splice(e.indexOf(b),1);return this},connect:function(a,c,d){var e={},f={};_.each(a.inputs,function(a){if(d||!a.input){var b=a.type,c=[b,a.hint].join("-");f[c]||(f[c]=a);e[b]=e[b]||[];e[b].push(a)}});_.each(this.outputs,function(a){if(!c||
 !a.output.length){var b=a.type,d=[b,a.hint].join("-");f[d]?(f[d].connect(a),delete f[d],e[b].splice(e[b].indexOf(a),1)):e[b]&&e[b].length&&e[b].shift().connect(a)}});return this},disconnect:function(a){_.each(this.inputs,function(a){a.disconnect()});_.each(this.outputs,function(a){a.disconnect()});return this}}})(ShaderGraph);
-(function(a){a.Outlets=0;a.Outlet=function(b,c,d,e,f,g,h){if("object"==typeof b)return new a.Outlet(b.inout,b.name,b.hint,b.type,b.category,b.exposed,b.meta);this.node=null;this.inout=b;this.name=c;this.hint=d||c;this.type=e;this.category=f;this.exposed=!!g;this.meta=h||{};this.index=++a.Outlets;this.input=this.key=null;this.output=[]};a.Outlet.prototype={id:function(){return["_sg",this.name,this.index].join("_")},expose:function(a){this.exposed=a},morph:function(a){this.inout=a.inout;this.name=a.name;
+(function(a){a.Outlets=0;a.Outlet=function(b,c,d,e,f,h,k){if("object"==typeof b)return new a.Outlet(b.inout,b.name,b.hint,b.type,b.category,b.exposed,b.meta);this.node=null;this.inout=b;this.name=c;this.hint=d||c;this.type=e;this.category=f;this.exposed=!!h;this.meta=k||{};this.index=++a.Outlets;this.input=this.key=null;this.output=[]};a.Outlet.prototype={id:function(){return["_sg",this.name,this.index].join("_")},expose:function(a){this.exposed=a},morph:function(a){this.inout=a.inout;this.name=a.name;
 this.type=a.type;this.category=a.category;this.exposed=a.exposed;this.meta=a.meta||{}},connect:function(b){if(this.inout==a.IN&&b.inout==a.OUT)return b.connect(this);if(this.inout!=a.OUT||b.inout!=a.IN)throw console.log(this,b),"Can't connect out/out or in/in outlets.";b.input!=this&&(b.disconnect(),b.input=this,this.output.push(b))},disconnect:function(b){if(this.inout==a.IN)this.input&&this.input.disconnect(this);else if(b){var c=this.output.indexOf(b);0<=c&&(this.output.splice(c,1),b.input=null)}else _.each(this.output,
 function(a){a.input=null}),this.output=[]},link:function(a){this.node=a}}})(ShaderGraph);\u03c0=Math.PI;\u03c4=2*\u03c0;(function(a){for(var b in a)if(!window[b])throw"Error: MathBox requires "+a[b];})({THREE:"Three.js",tQuery:"tQuery.js (bundle)",ThreeBox:"ThreeBox.js",ThreeRTT:"ThreeRTT.js"});window.MathBox={};window.mathBox=function(a,b){!a||a instanceof Node||(b=a,a=null);return tQuery.createWorld(b).mathBox(a,b)};
 MathBox.getShader=function(a){var b=document.getElementById(a);return b&&b.textContent||a};Math.sign=function(a){return 0<a?1:0>a?-1:0};MathBox.Attributes=function(){};
-MathBox.Attributes.prototype={get:function(a){return void 0===a?this.__attributes||{}:this.__attributes?this.__attributes[a]:void 0},set:function(a,b){function c(a,b){try{b=h(a,b),d[a]=b,f[a]=b}catch(c){throw"Exception setting '"+a+"' to '"+b+"': "+c;}}this.__attributes||(this.__attributes={});this.__validators||(this.__validators={});var d={},e=this.__validators,f=this.__attributes,g=this,h=function(a,b){if(void 0===e[a]){var c="validate"+a.charAt(0).toUpperCase()+a.slice(1);e[a]=g[c]||!1}return e[a]?
+MathBox.Attributes.prototype={get:function(a){return void 0===a?this.__attributes||{}:this.__attributes?this.__attributes[a]:void 0},set:function(a,b){function c(a,b){try{b=k(a,b),d[a]=b,f[a]=b}catch(c){throw"Exception setting '"+a+"' to '"+b+"': "+c;}}this.__attributes||(this.__attributes={});this.__validators||(this.__validators={});var d={},e=this.__validators,f=this.__attributes,h=this,k=function(a,b){if(void 0===e[a]){var c="validate"+a.charAt(0).toUpperCase()+a.slice(1);e[a]=h[c]||!1}return e[a]?
 e[a].call(this,b):b}.bind(this);void 0!==a&&null!==a&&(a.constructor==String?c(a,b):_.each(a,function(a,b){c(b,a)}),this.emit("change",d))}};MicroEvent.mixin(MathBox.Attributes);MathBox.Attributes.mixin=function(a){_.each(["get","set","on","emit"],function(b){a.prototype[b]=MathBox.Attributes.prototype[b]})};MathBox.Animator=function(){this.active=[]};MathBox.Animator.now=1;
 MathBox.Animator.prototype={finalState:function(a){var b=_.extend({},a.get());a.__queue&&_.each(a.__queue,function(a,d){_.each(a,function(a){a.to&&(b[d]=a.to)})});return b},attach:function(a){if(!a.__queue){if(!a.__attributes)throw"Cannot attach to object without attributes";var b=this,c=a.set;a.set=function(a,e,f){if(!f){f=a;if(void 0===a||null===a)return;a.constructor==String&&(f={},f[a]=e);b.stop(this,f)}c.call(this,a,e)};a.__queue={};a.__animations=0}},hurry:function(a,b,c){c=c||4;_.each(b||a.__queue,
-function(b,e){_.each(a.__queue[e],function(a){a.hurry(c)})}.bind(this))},stop:function(a,b){_.each(b||a.__queue,function(b,d){for(;a.__queue[d];)this.dequeue(a,d,!0)}.bind(this))},animate:function(a,b,c){c=_.extend({duration:300},c||{});this.attach(a);_.each(b,function(b,e){var f=a.__queue[e]=a.__queue[e]||[];if(c.delay){var g=new MathBox.Animator.Delay(a,e,c.delay);f.push(g);0==a.__animations++&&this.active.push(a)}a.__validators[e]&&(b=a.__validators[e].call(a,b));g=new MathBox.Animator.Animation(a,
-e,b,c.duration,c.callback,c.ease);f.push(g);c.hold&&(g=new MathBox.Animator.Delay(a,e,c.hold),f.push(g),0==a.__animations++&&this.active.push(a));0==a.__animations++&&this.active.push(a)}.bind(this))},dequeue:function(a,b,c){var d=a.__queue[b];if(d){var e=d.shift();0==d.length&&delete a.__queue[b];c&&e.skip();0==--a.__animations&&this.active.splice(this.active.indexOf(a),1)}},update:function(a){MathBox.Animator.now+=a;a=this.active.slice();_.each(a,function(a){var c=0;_.each(a.__queue,function e(f,
-g){var h=f[0];value=h.apply(c||0);h.done()&&(c=h.extra(),this.dequeue(a,g),f[0]&&e.call(this,f,g))}.bind(this))}.bind(this))}};MathBox.Animator.Delay=function(a,b,c){this.object=a;this.key=b;this.duration=c;this.fraction=this.start=0};
+function(b,e){_.each(a.__queue[e],function(a){a.hurry(c)})}.bind(this))},stop:function(a,b){_.each(b||a.__queue,function(b,d){for(;a.__queue[d];)this.dequeue(a,d,!0)}.bind(this))},animate:function(a,b,c){c=_.extend({duration:300},c||{});this.attach(a);_.each(b,function(b,e){var f=a.__queue[e]=a.__queue[e]||[];if(c.delay){var h=new MathBox.Animator.Delay(a,e,c.delay);f.push(h);0==a.__animations++&&this.active.push(a)}a.__validators[e]&&(b=a.__validators[e].call(a,b));h=new MathBox.Animator.Animation(a,
+e,b,c.duration,c.callback,c.ease);f.push(h);c.hold&&(h=new MathBox.Animator.Delay(a,e,c.hold),f.push(h),0==a.__animations++&&this.active.push(a));0==a.__animations++&&this.active.push(a)}.bind(this))},dequeue:function(a,b,c){var d=a.__queue[b];if(d){var e=d.shift();0==d.length&&delete a.__queue[b];c&&e.skip();0==--a.__animations&&this.active.splice(this.active.indexOf(a),1)}},update:function(a){MathBox.Animator.now+=a;a=this.active.slice();_.each(a,function(a){var c=0;_.each(a.__queue,function e(f,
+h){var k=f[0];value=k.apply(c||0);k.done()&&(c=k.extra(),this.dequeue(a,h),f[0]&&e.call(this,f,h))}.bind(this))}.bind(this))}};MathBox.Animator.Delay=function(a,b,c){this.object=a;this.key=b;this.duration=c;this.fraction=this.start=0};
 MathBox.Animator.Delay.prototype={init:function(a){this.start=MathBox.Animator.now-(a||0)},apply:function(a){this.start||this.init(a);this.fraction=0<this.duration?Math.min(1,(MathBox.Animator.now-this.start)/this.duration):1},skip:function(){this.duration=0},hurry:function(a){this.duration=this.duration*this.fraction+this.duration*(1-this.fraction)/a},extra:function(){return MathBox.Animator.now-this.start-this.duration},done:function(){return 1==this.fraction}};
 MathBox.Animator.Animation=function(a,b,c,d,e,f){this.object=a;this.key=b;this.from=null;this.to=c;this.duration=d;this.fraction=this.start=0;this.callback=e;this.ease=f};
-MathBox.Animator.Animation.prototype={init:function(a){this.start=MathBox.Animator.now-(a||0);null===this.from&&(this.from=this.object.get(this.key));void 0===this.from&&(this.from=0)},apply:function(a){function b(a,b){return a+(b-a)*k}function c(a,e){void 0===e&&(e=a);void 0===a&&(a=e);if(e===a)return a;if(typeof a!=typeof e)throw console.log(d,f),"Data type mismatch between from/to values in animator. "+f+": "+a+" ("+a.constructor+"), "+e+"("+e.constructor+")";var g;switch(typeof e){default:case "string":throw"Unimplemented value type in animator. ("+
-typeof e+")";case "function":return function(){return c(a.apply(this,arguments),e.apply(this,arguments))};case "boolean":return 0.5<h?e:a;case "number":return b(a,e);case "object":if(!a)return e;if(!e)return a;if(e.constructor==Array)return g=[],_.loop(a.length,function(b){g[b]=c(a[b],e[b])}),g;if(e.constructor==THREE.Matrix4){g=new THREE.Matrix4;for(var k=0;16>k;++k)g.elements[k]=b(a.elements[k],e.elements[k]);return g}return e.constructor==THREE.Vector3?(g=new THREE.Vector3,g.x=b(a.x,e.x),g.y=b(a.y,
-e.y),g.z=b(a.z,e.z),g):e.constructor==THREE.Color?(g=new THREE.Color,g.r=b(a.r,e.r),g.g=b(a.g,e.g),g.b=b(a.b,e.b),g):0.5<h?e:a}}this.start||this.init(a);var d=this.object;a=this.from;var e=this.to,f=this.key,g=this.ease,h;this.fraction=h=0<this.duration?Math.min(1,(MathBox.Animator.now-this.start)/(this.duration||1)):1;var k;switch(g){case "in":k=1-(1-h)*(1-h);break;case "out":k=h*h;break;case "linear":k=h;break;default:k=0.5-0.5*Math.cos(h*\u03c0)}a=c(a,e);this.object.set(this.key,a,!0)},hurry:function(a){this.duration=
+MathBox.Animator.Animation.prototype={init:function(a){this.start=MathBox.Animator.now-(a||0);null===this.from&&(this.from=this.object.get(this.key));void 0===this.from&&(this.from=0)},apply:function(a){function b(a,b){return a+(b-a)*g}function c(a,e){void 0===e&&(e=a);void 0===a&&(a=e);if(e===a)return a;if(typeof a!=typeof e)throw console.log(d,f),"Data type mismatch between from/to values in animator. "+f+": "+a+" ("+a.constructor+"), "+e+"("+e.constructor+")";var g;switch(typeof e){default:case "string":throw"Unimplemented value type in animator. ("+
+typeof e+")";case "function":return function(){return c(a.apply(this,arguments),e.apply(this,arguments))};case "boolean":return 0.5<k?e:a;case "number":return b(a,e);case "object":if(!a)return e;if(!e)return a;if(e.constructor==Array)return g=[],_.loop(a.length,function(b){g[b]=c(a[b],e[b])}),g;if(e.constructor==THREE.Matrix4){g=new THREE.Matrix4;for(var h=0;16>h;++h)g.elements[h]=b(a.elements[h],e.elements[h]);return g}return e.constructor==THREE.Vector3?(g=new THREE.Vector3,g.x=b(a.x,e.x),g.y=b(a.y,
+e.y),g.z=b(a.z,e.z),g):e.constructor==THREE.Color?(g=new THREE.Color,g.r=b(a.r,e.r),g.g=b(a.g,e.g),g.b=b(a.b,e.b),g):0.5<k?e:a}}this.start||this.init(a);var d=this.object;a=this.from;var e=this.to,f=this.key,h=this.ease,k;this.fraction=k=0<this.duration?Math.min(1,(MathBox.Animator.now-this.start)/(this.duration||1)):1;var g;switch(h){case "in":g=1-(1-k)*(1-k);break;case "out":g=k*k;break;case "linear":g=k;break;default:g=0.5-0.5*Math.cos(k*\u03c0)}a=c(a,e);this.object.set(this.key,a,!0)},hurry:function(a){this.duration=
 this.duration*this.fraction+this.duration*(1-this.fraction)/a},skip:function(){this.duration=0;this.fraction=1;this.done()},extra:function(){return MathBox.Animator.now-this.start-this.duration},done:function(){return 1==this.fraction?(this.object.set(this.key,this.to,!0),this.callback&&this.callback(),this.callback=null,!0):!1}};
 MathBox.Stage=function(a,b,c){this.options=a=a||{};this._world=b;this.overlay=c;b&&b.on("resize",function(a,b){this.overlay.size(a,b);this.width=a;this.height=b}.bind(this));this.primitives=[];this.materials=new MathBox.Materials(this);this.animator=new MathBox.Animator;this._transition=0;this._speed=1;b&&(this.cameraProxy=new MathBox.CameraProxy(b,this.options));this.viewport({});this.loadPrimitives();void 0!==a.transition&&this.transition(a.transition);void 0!==a.speed&&this.speed(a.speed)};
 MathBox.Stage.prototype=new THREE.Object3D;MathBox.Attributes.mixin(MathBox.Stage);MicroEvent.mixin(MathBox.Stage);
@@ -100,10 +100,10 @@ MathBox.Stage.prototype=_.extend(MathBox.Stage.prototype,{update:function(){var
 b){if(a instanceof THREE.Object3D)return a instanceof MathBox.Sprite?this.overlay.add(a):THREE.Object3D.prototype.add.call(this,a);this._add(a);b=this.animateOptions(b);var c=a.style.get("opacity");b&&0<c&&(a.style.set("opacity",0),this.animator.animate(a.style,{opacity:c},b));return this},remove:function(a,b){if(a instanceof THREE.Object3D)return a instanceof MathBox.Sprite?this.overlay.remove(a):THREE.Object3D.prototype.remove.call(this,a);if("string"==typeof a)return _.each(this.select(a),function(a){this.remove(a,
 b)}.bind(this));if(!a.singleton){var c=function(){this._remove(a)}.bind(this);b=this.animateOptions(b);var d=a.style.get("opacity");b&&0<d?(b.callback=c,this.animator.animate(a.style,{opacity:0},b),a.removed=!0):c();return this}},_add:function(a){var b=this.materials;-1==this.primitives.indexOf(a)&&(this.primitives.push(a),a.make(),a=a.renderables(),_.each(a,function(a){a.make(b);a.object&&this.add(a.object)}.bind(this)))},_remove:function(a){if(-1!=this.primitives.indexOf(a)){this.primitives.splice(this.primitives.indexOf(a),
 1);var b=a.renderables();_.each(b,function(a){a.object&&this.remove(a.object);a.destroy()}.bind(this));a.destroy()}},select:function(a,b){var c=[];if("object"==typeof a)return a.constructor==Array?a:[a];var d=function(a){var c=[];if("*"==a)return c=this.primitives.slice(),c.push(this.viewport()),c.push(this.cameraProxy),c;if(a==+a)return _.each(this.primitives,function(d){!b&&d.removed||d.get("sequence")!=a||c.push(d)}),c;var d=a.match(/^\s*#([a-zA-Z0-9_-]+)|([a-zA-Z0-9_-]+)?\s*$/);if(!d)return[];
-var h=d[2],k=d[1];if(k)_.each(this.primitives,function(a){!b&&a.removed||a.get("id")!=k||c.push(a)});else{if("camera"==h)return this.cameraProxy&&[this.cameraProxy]||[];if("viewport"==h)return[this.viewport()];h&&_.each(this.primitives,function(a){!b&&a.removed||a.type()!=h||c.push(a)})}return c}.bind(this),c=[];a=(""+a).split(",");_.each(a,function(a){c=c.concat(d(a))});return c},set:function(a,b){b=this.extractStyle(b);_.each(this.select(a),function(a){a.set(b);b.style&&a.style.set(b.style)});return this},
+var k=d[2],g=d[1];if(g)_.each(this.primitives,function(a){!b&&a.removed||a.get("id")!=g||c.push(a)});else{if("camera"==k)return this.cameraProxy&&[this.cameraProxy]||[];if("viewport"==k)return[this.viewport()];k&&_.each(this.primitives,function(a){!b&&a.removed||a.type()!=k||c.push(a)})}return c}.bind(this),c=[];a=(""+a).split(",");_.each(a,function(a){c=c.concat(d(a))});return c},set:function(a,b){b=this.extractStyle(b);_.each(this.select(a),function(a){a.set(b);b.style&&a.style.set(b.style)});return this},
 get:function(a){var b=this.animator;a=this.select(a);if(1>a.length)return{};var c=a[0];a=b.finalState(c);c.style&&(b=b.finalState(c.style),a.style=b);return a},transition:function(a){return void 0!==a?(this._transition=a,this):this._transition},speed:function(a){return void 0!==a?(this._speed=a,this):this._speed},animateOptions:function(a,b){var c=this._transition;!0===a&&(a={});if(c||b||a&&(a.delay||a.duration||a.hold))a=_.extend({delay:0,duration:c||0,hold:0},a||{});if(a&&(a.delay||a.duration||
-a.hold))return a},animate:function(a,b,c){var d=this.animator;b=this.extractStyle(b);c=this.animateOptions(c,!0);b.style&&(_.each(this.select(a),function(a){c?d.animate(a.style,b.style,c):a.style.set(b.style)}),b=_.extend({},b),delete b.style);_.each(this.select(a),function(a){c?d.animate(a,b,c):a.set(b)});return this},clone:function(a,b,c){_.each(this.select(a),function(a){var e=this.get(a);delete e.sequence;var f=_.extend({},b),g=[];_.each(b,function(a,c){if("id"==c||"boolean"==typeof a||null===
-a)e[c]=b[c],g.push(c)});_.each(g,function(a){delete f[a]});e.id==a.get("id")&&(e.id=(e.id||"")+"-clone");a=this.spawn(a.type(),e,{duration:0});this.animate(a,f,c)}.bind(this));return this},hurry:function(a,b,c){var d=this.animator;_.each(this.select(a,!0),function(a){d.hurry(a,b,c);a.style&&d.hurry(a.style,b,c)});return this},halt:function(a,b){var c=this.animator;_.each(this.select(a,!0),function(a){c.stop(a,b);a.style&&c.stop(a.style,b)});return this},viewport:function(a){if(void 0!==a){if(!this._viewport||
+a.hold))return a},animate:function(a,b,c){var d=this.animator;b=this.extractStyle(b);c=this.animateOptions(c,!0);b.style&&(_.each(this.select(a),function(a){c?d.animate(a.style,b.style,c):a.style.set(b.style)}),b=_.extend({},b),delete b.style);_.each(this.select(a),function(a){c?d.animate(a,b,c):a.set(b)});return this},clone:function(a,b,c){_.each(this.select(a),function(a){var e=this.get(a);delete e.sequence;var f=_.extend({},b),h=[];_.each(b,function(a,c){if("id"==c||"boolean"==typeof a||null===
+a)e[c]=b[c],h.push(c)});_.each(h,function(a){delete f[a]});e.id==a.get("id")&&(e.id=(e.id||"")+"-clone");a=this.spawn(a.type(),e,{duration:0});this.animate(a,f,c)}.bind(this));return this},hurry:function(a,b,c){var d=this.animator;_.each(this.select(a,!0),function(a){d.hurry(a,b,c);a.style&&d.hurry(a.style,b,c)});return this},halt:function(a,b){var c=this.animator;_.each(this.select(a,!0),function(a){c.stop(a,b);a.style&&c.stop(a.style,b)});return this},viewport:function(a){if(void 0!==a){if(!this._viewport||
 a.type&&a.type!=this.options.viewport.type){this._viewport&&(a=_.extend({},this._viewport.get(),a));this._viewport=MathBox.Viewport.make(a);a=this.primitives.slice();var b=this;_.each(a,function(a){b._remove(a);b._add(a)})}else this._viewport.set(a);this.options.viewport=this._viewport.get();return this}return this._viewport},camera:function(a){_.each(this.select("camera"),function(b){b.set(a)});return this},start:function(){this._world&&this._world.start();return this},stop:function(){this._world&&
 this._world.stop();return this},world:function(){return this._world},extractStyle:function(a){var b=MathBox.Style.prototype.defaults(),c=null;_.each(a,function(d,e){void 0!==b[e]&&(delete a[e],c=c||{},c[e]=d)});c&&(a.style=_.extend(a.style||{},c));return a},spawn:function(a,b,c){return MathBox.Primitive.types[a]?(this[a](b,c),this.primitives[this.primitives.length-1]):this},loadPrimitives:function(){_.each(MathBox.Primitive.types,function(a,b){this[b]=function(b,d){a.validateArgs&&(b=a.validateArgs(b));
 var e=new a(this.extractStyle(b));this.add(e,d);return this}}.bind(this))}});MathBox.Materials=function(a){this.stage=a;this.cache={}};
@@ -112,15 +112,15 @@ _.each(a.attributes,function(a,d){b.attributes[d]={type:a.type,value:a.value}});
 a);return a},position:function(a,b){b=b||{};a.snippet(b.shaded&&b.smooth?"getPositionDUDV":"getPosition");b.absolute||(b.shaded&&b.smooth?a.group().snippet("mathTransform").next().snippet("mathTransform").next().snippet("mathTransform").combine():a.snippet("mathTransform"));return a},factory:function(){return new ShaderGraph.Factory},finalize:function(a,b){b=b||{};var c=b.shaders||{};b.shaded?b.smooth?a.snippet("projectToViewDUDV"):a.snippet("projectToViewNormal"):a.snippet("projectToView");c.material?
 c.material(a,this):a.material("vertexOutput",{points:"fragmentSolidPoint",mesh:b.shaded?"fragmentShaded":"fragmentSolid"}[b.type]||"fragmentSolid");c=a.end().compile();c=new THREE.ShaderMaterial({uniforms:c.uniforms,attributes:c.attributes,vertexShader:c.vertexShader,fragmentShader:c.fragmentShader});b.wireframe&&(c.wireframe=!0);var d=this.apply.bind(this);c.applyUniforms=function(a){d(this,a,"uniforms")};c.applyAttributes=function(a){d(this,a,"attributes")};return c},apply:function(a,b,c){var d=
 a[c];_.each(b,function(a,b){var c=d[b];c&&(a instanceof THREE.Color&&(a.x=a.r,a.y=a.g,a.z=a.b),c.value=a,c.needsUpdate=!0)});if("uniforms"==c){c=a.uniforms;if(b.map&&(c.texture&&(c.texture.value=b.map),c.offsetRepeat)){var e=b.map.offset,f=b.map.repeat;c.offsetRepeat.value.set(e.x,e.y,f.x,f.y)}void 0!==b.lineWidth&&(a.wireframeLinewidth=a.linewidth=b.lineWidth);void 0!==b.opacity&&(a.transparent=1>b.opacity)}},viewport:function(a,b){this.stage.viewport().shader(a,b)}};
-MathBox.Ticks=function(a,b,c,d,e,f,g){var h=(b-a)/(c||10);d=d||1;e=e||10;var k=d*((g||0)+Math.pow(e,Math.floor(Math.log(h/d)/Math.log(e))));c=_.map(0==e%2?[e/2,1,0.5]:[1],function(a){return k*a});var l=_.reduce(c,function(a,b){return Math.abs(b-h)<Math.abs(a-h)?b:a},k);f=+!f;a=(Math.ceil(a/l)+f)*l;b=(Math.floor(b/l)-f)*l;c=Math.ceil((b-a)/l)+1;var m=[];_.loop(c,function(b){m.push(a+b*l)});return m};MathBox.TicksLog=function(a,b,c,d,e,f){};
+MathBox.Ticks=function(a,b,c,d,e,f,h){var k=(b-a)/(c||10);d=d||1;e=e||10;var g=d*((h||0)+Math.pow(e,Math.floor(Math.log(k/d)/Math.log(e))));c=_.map(0==e%2?[e/2,1,0.5]:[1],function(a){return g*a});var l=_.reduce(c,function(a,b){return Math.abs(b-k)<Math.abs(a-k)?b:a},g);f=+!f;a=(Math.ceil(a/l)+f)*l;b=(Math.floor(b/l)-f)*l;c=Math.ceil((b-a)/l)+1;var m=[];_.loop(c,function(b){m.push(a+b*l)});return m};MathBox.TicksLog=function(a,b,c,d,e,f){};
 tQuery.World.registerInstance("mathBox",function(a,b){a=a||document.body;this.threeBox(a,b);var c=new MathBox.Overlay;a.appendChild(c.domElement);c.domElement.style.position="absolute";c.domElement.style.left=0;c.domElement.style.top=0;c.domElement.style.right=0;c.domElement.style.bottom=0;var d=new MathBox.Stage(b,this,c),e=function(){d.update()};this.tScene().add(d);this._renderer.setClearColorHex(16777215,1);d.unhook=function(){this.loop().unhookPreRender(e)};this.loop().hookPreRender(e);b.cameraControls||
 (c=this.tCamera(),c.position.x=0,c.position.y=0,c.position.z=b.orbit,c.lookAt(new THREE.Vector3(0,0,0)));return d});MathBox.Director=function(a,b){this._stage=a;this.script=b||[];this.rollback={};this.clocks={};this.time=this.lastCommand=this.step=0;this.lastTime=+new Date};
-MathBox.Director.prototype={clock:function(a,b){if(a>this.step)return 0;var c=+new Date;this.time+=(c-this.lastTime)*this.stage().speed();this.lastTime=c;if(b||!this.clocks[a])this.clocks[a]=this.time;return 0.001*(this.time-this.clocks[a])},invert:function(a){var b=this._stage,c=[],d,e=a[0],f=a[1],g=a[2]||{},h=a[3];"remove"==e&&(h=g);h={delay:h&&void 0!==h.hold?h.hold/4:0,duration:h&&void 0!==h.duration?h.duration/4:0,hold:h&&void 0!==h.delay?h.delay/4:0};switch(e){case "add":d=[0];case "clone":d=
-d||b.select(f);_.each(d,function(a,b){c.push(["remove",g.sequence||MathBox.Primitive.sequence+1+b,h])});break;case "remove":d=b.select(f);_.each(d,function(a){c.push(["add",a.type(),b.get(a),h])});break;case "animate":case "set":d=b.select(f),_.each(d,function(a){var d=b.get(a),f={};for(i in g)f[i]=d.style&&void 0!==d.style[i]?d.style[i]:d[i];c.push([e,a.singleton||a.get("sequence"),f,h])})}return c},invertDelay:function(a){function b(a){var b=a[2]||{},c=["opacity"];if("animate"==a[0])for(d in c=
-[],b)if("style"==d)for(j in b.style)c.push(j);else c.push(d);return c}var c=[],d,e={};a.forEach(function(a){var c=a[0],d=a[1]||"",f=a[2]||{},g=a[3]||{};if("set"==c)return null;"add"==c&&(d=f.sequence);"remove"==c&&(g=f);b(a).forEach(function(a){a=[d,a].join(".");e[a]||(e[a]=[]);g=g||{};e[a].push((g.delay||0)+(g.duration||0)+(g.hold||0))})});var f=0;for(d in e)var g=e[d]=e[d].reduce(function(a,b){return a+b}),f=Math.max(f,g);a.forEach(function(a){var d=a[0],g=a[1]||"",m=a[2]||{},q=a[3]||{},u;if("set"==
-d)return c.push(a);"add"==d&&(u=g,g=m.sequence);"remove"==d&&(q=m);b(a).forEach(function(a){var b=[g,a].join("."),h=q.delay||0,v=q.duration||0,w=q.hold||0;void 0!==e[b]&&(h+=f-e[b],delete e[b]);q={delay:h,duration:v,hold:w};"add"==d&&c.push([d,u,m,q]);"remove"==d?c.push([d,g,q]):(b={},b[a]=m.style&&void 0!==m.style[a]?m.style[a]:m[a],c.push([d,g,b,q]))})});return c},apply:function(a,b,c,d){var e=this._stage;_.each(a,function(a){var g=a[0]||"",h=a[1]||"",k=a[2]||{},l=a[3]||{};"remove"==g&&(l=k);b&&
-(a=this.invert(a),a=[0,0].concat(a),Array.prototype.splice.apply(b,a));d&&l&&(l=_.extend({},l),l.delay/=2,l.duration/=2,l.hold/=2);c&&(l={delay:0,duration:0,hold:0},"animate"==g&&(g="set"));switch(g){case "clone":e.clone(h,k,l);break;case "add":e.spawn(h,k,l);break;case "remove":_.each(e.select(h),function(a){e.remove(a,l)});break;case "set":var g=e.select(h),m=k.constructor==Array;_.each(g,function(a,b){e.set(a,m?k[b]:k)});break;case "animate":g=e.select(h),m=k.constructor==Array,_.each(g,function(a,
-b){e.animate(a,m?k[b]:k,l)})}}.bind(this));return this},insert:function(a){a[0].constructor!=Array&&(a=[a]);this.script.splice(this.step,0,a);this.forward();return this},is:function(a){if(!this.script.length)return!1;for(;0>a;)a+=this.script.length+1;for(;a>=this.script.length+1;)a-=this.script.length+1;return a==this.step},isFirst:function(){return this.is(0)},isLast:function(){return this.is(-1)},go:function(a,b){if(this.script.length){for(;0>a;)a+=this.script.length+1;for(;a>=this.script.length+
+MathBox.Director.prototype={clock:function(a,b){if(a>this.step)return 0;var c=+new Date;this.time+=(c-this.lastTime)*this.stage().speed();this.lastTime=c;if(b||!this.clocks[a])this.clocks[a]=this.time;return 0.001*(this.time-this.clocks[a])},invert:function(a){var b=this._stage,c=[],d,e=a[0],f=a[1],h=a[2]||{},k=a[3];"remove"==e&&(k=h);k={delay:k&&void 0!==k.hold?k.hold/4:0,duration:k&&void 0!==k.duration?k.duration/4:0,hold:k&&void 0!==k.delay?k.delay/4:0};switch(e){case "add":d=[0];case "clone":d=
+d||b.select(f);_.each(d,function(a,b){c.push(["remove",h.sequence||MathBox.Primitive.sequence+1+b,k])});break;case "remove":d=b.select(f);_.each(d,function(a){c.push(["add",a.type(),b.get(a),k])});break;case "animate":case "set":d=b.select(f),_.each(d,function(a){var d=b.get(a),f={};for(i in h)f[i]=d.style&&void 0!==d.style[i]?d.style[i]:d[i];c.push([e,a.singleton||a.get("sequence"),f,k])})}return c},invertDelay:function(a){function b(a){var b=a[2]||{},c=["opacity"];if("animate"==a[0])for(d in c=
+[],b)if("style"==d)for(j in b.style)c.push(j);else c.push(d);return c}var c=[],d,e={};a.forEach(function(a){var c=a[0],d=a[1]||"",f=a[2]||{},h=a[3]||{};if("set"==c)return null;"add"==c&&(d=f.sequence);"remove"==c&&(h=f);b(a).forEach(function(a){a=[d,a].join(".");e[a]||(e[a]=[]);h=h||{};e[a].push((h.delay||0)+(h.duration||0)+(h.hold||0))})});var f=0;for(d in e)var h=e[d]=e[d].reduce(function(a,b){return a+b}),f=Math.max(f,h);a.forEach(function(a){var d=a[0],h=a[1]||"",m=a[2]||{},q=a[3]||{},u;if("set"==
+d)return c.push(a);"add"==d&&(u=h,h=m.sequence);"remove"==d&&(q=m);b(a).forEach(function(a){var b=[h,a].join("."),k=q.delay||0,v=q.duration||0,w=q.hold||0;void 0!==e[b]&&(k+=f-e[b],delete e[b]);q={delay:k,duration:v,hold:w};"add"==d&&c.push([d,u,m,q]);"remove"==d?c.push([d,h,q]):(b={},b[a]=m.style&&void 0!==m.style[a]?m.style[a]:m[a],c.push([d,h,b,q]))})});return c},apply:function(a,b,c,d){var e=this._stage;_.each(a,function(a){var h=a[0]||"",k=a[1]||"",g=a[2]||{},l=a[3]||{};"remove"==h&&(l=g);b&&
+(a=this.invert(a),a=[0,0].concat(a),Array.prototype.splice.apply(b,a));d&&l&&(l=_.extend({},l),l.delay/=2,l.duration/=2,l.hold/=2);c&&(l={delay:0,duration:0,hold:0},"animate"==h&&(h="set"));switch(h){case "clone":e.clone(k,g,l);break;case "add":e.spawn(k,g,l);break;case "remove":_.each(e.select(k),function(a){e.remove(a,l)});break;case "set":var h=e.select(k),m=g.constructor==Array;_.each(h,function(a,b){e.set(a,m?g[b]:g)});break;case "animate":h=e.select(k),m=g.constructor==Array,_.each(h,function(a,
+b){e.animate(a,m?g[b]:g,l)})}}.bind(this));return this},insert:function(a){a[0].constructor!=Array&&(a=[a]);this.script.splice(this.step,0,a);this.forward();return this},is:function(a){if(!this.script.length)return!1;for(;0>a;)a+=this.script.length+1;for(;a>=this.script.length+1;)a-=this.script.length+1;return a==this.step},isFirst:function(){return this.is(0)},isLast:function(){return this.is(-1)},go:function(a,b){if(this.script.length){for(;0>a;)a+=this.script.length+1;for(;a>=this.script.length+
 1;)a-=this.script.length+1;for(;a>this.step;)this.forward(b);for(;a<this.step;)this.back(b)}},skipping:function(){var a=+new Date,b=!1;500>a-this.lastCommand&&(b=!0);this.stage().hurry("*");this.lastCommand=a;return b},forward:function(a,b){if(!(this.step>=this.script.length)){var c=this.step,d=this.script[c],e=this.rollback[c]=[];this.step++;var f=function(){this.apply(d,e,a,a?!1:this.skipping());this.rollback[c]=this.invertDelay(e);this.clock(c+1,!0);this.emit("go",c+1,1)}.bind(this);b?setTimeout(f,
 +b):f();return this}},back:function(a,b){if(!(0>=this.step)){this.step--;var c=this.step,d=this.rollback[c],e=function(){this.apply(d,null,a||this.skipping());delete this.rollback[c];this.emit("go",c,-1)}.bind(this);b?setTimeout(e,+b):e();return this}},stage:function(){return this._stage}};_.each(MathBox.Stage.prototype,function(a,b){MathBox.Director.prototype[b]||(MathBox.Director.prototype[b]=function(){var b=this.stage[a].apply(this.stage,arguments);return b===this.stage?this:b})});MicroEvent.mixin(MathBox.Director);
 MathBox.Style=function(a){var b=this.defaults();a=_.extend(b,a||{});this.set(a)};
@@ -132,44 +132,44 @@ MathBox.CameraProxy=function(a,b){this.set({orbit:void 0===b.orbit?3.5:b.orbit,p
 null,!0);var a=this.get("lookAt");a[0]=c.lookAt.x;a[1]=c.lookAt.y;a[2]=c.lookAt.z}};MathBox.Attributes.mixin(MathBox.CameraProxy);MathBox.Overlay=function(){(this.domElement=document.createElement("div")).className="mathbox-overlay";this.sprites=[];this.v=new THREE.Vector3;this.q=new THREE.Vector3};
 MathBox.Overlay.prototype={size:function(a,b){this.width=a;this.height=b;this.domElement.style.width=a+"px";this.domElement.style.height=b+"px"},add:function(a){-1==this.sprites.indexOf(a)&&(this.sprites.push(a),a.element.parentNode||this.domElement.appendChild(a.element),_.each(a.children,function(a){this.add(a)}.bind(this)))},remove:function(a){var b;-1!=(b=this.sprites.indexOf(a))&&(this.sprites.splice(b,1),a.element.parentNode&&a.element.parentNode.removeChild(a.element),_.each(a.children,function(a){this.remove(a)}.bind(this)))},
 update:function(a){this.fov=0.5/Math.tan(a.fov*Math.PI/360)*this.height;_.each(this.sprites,function(b){this._update(b,a)}.bind(this));_.each(this.sprites,function(b){this._measure(b,a)}.bind(this));_.each(this.sprites,function(b){this._vis(b,a)}.bind(this))},_measure:function(a,b){if(a.measure){var c=a.element;a.width=c.offsetWidth;a.height=c.offsetHeight;a.measure=!1}},_vis:function(a,b){if(a.render&&(a.width||a.height)){var c=a.left,d=a.top,e=a.width+c,f=a.height+d;found=!1;_.each(this.sprites,
-function(b){if(b===a)found=!0;else if(found&&b.render){var h=b.left,k=b.top,l=b.width+h,m=b.height+k;e<h||c>l||f<k||d>m||(b.element.style.display="none",b.render=!1)}})}},_update:function(a,b){for(var c=this.v,d=this.q,e=a.render,f=a.visible,g=a.parent;f&&g;)f=f&&g.visible,g=g.parent;a.render=f&&0<a.opacity;if(a.render)e||(a.element.style.display="block"),c.copy(a.position),b.matrixWorldInverse.multiplyVector3(c),e=-(c.x/c.z)*this.fov+0.5*this.width,f=c.y/c.z*this.fov+0.5*this.height,a.distance&&
-(d.copy(a.tangent).multiplyScalar(0.01),d.addSelf(a.position),b.matrixWorldInverse.multiplyVector3(d),g=0<a.distance?1:-1,d.subSelf(c),d.z=0,d.normalize().multiplyScalar(a.distance),e+=Math.abs(d.y)*g,f+=Math.abs(d.x)*g),e=Math.round(e),f=Math.round(f),a.left!==e&&(a.left=e,a.element.style.left=e+"px"),a.top!==f&&(a.top=f,a.element.style.top=f+"px"),a.lastOpacity!==a.opacity&&(a.element.style.opacity=a.opacity,a.lastOpacity=a.opacity);else if(e||null===e)a.element.style.display="none"}};
+function(b){if(b===a)found=!0;else if(found&&b.render){var k=b.left,g=b.top,l=b.width+k,m=b.height+g;e<k||c>l||f<g||d>m||(b.element.style.display="none",b.render=!1)}})}},_update:function(a,b){for(var c=this.v,d=this.q,e=a.render,f=a.visible,h=a.parent;f&&h;)f=f&&h.visible,h=h.parent;a.render=f&&0<a.opacity;if(a.render)e||(a.element.style.display="block"),c.copy(a.position),b.matrixWorldInverse.multiplyVector3(c),e=-(c.x/c.z)*this.fov+0.5*this.width,f=c.y/c.z*this.fov+0.5*this.height,a.distance&&
+(d.copy(a.tangent).multiplyScalar(0.01),d.addSelf(a.position),b.matrixWorldInverse.multiplyVector3(d),h=0<a.distance?1:-1,d.subSelf(c),d.z=0,d.normalize().multiplyScalar(a.distance),e+=Math.abs(d.y)*h,f+=Math.abs(d.x)*h),e=Math.round(e),f=Math.round(f),a.left!==e&&(a.left=e,a.element.style.left=e+"px"),a.top!==f&&(a.top=f,a.element.style.top=f+"px"),a.lastOpacity!==a.opacity&&(a.element.style.opacity=a.opacity,a.lastOpacity=a.opacity);else if(e||null===e)a.element.style.display="none"}};
 MathBox.Sprite=function(a,b,c){this.element=a;this.tangent=b||new THREE.Vector3(1,0,0);this.distance=c||0;this.height=this.width=0;this.measure=this.visible=!0;this.render=null;this.content="";this.lastOpacity=this.lastTop=this.lastLeft=null;a.style.position="absolute";a.style.left=0;a.style.top=0;a.style.opacity=0;THREE.Object3D.call(this)};MathBox.Sprite.prototype=_.extend(new THREE.Object3D,{});
 MathBox.Primitive=function(a){if(null!==a){var b=this.defaults();a&&(a.style=_.extend(b.style,a.style||{}),a=_.extend(b,a||{}));a=a||b;this.set(a);this.style=new MathBox.Style;this.style.set(this.get().style||{});this.on("change",function(a){void 0!==a.style&&this.style.set(a.style)}.bind(this));this.set("sequence",a.sequence||++MathBox.Primitive.sequence);this.set("id",a.id||this.sequence);this.init()}};MathBox.Primitive.sequence=0;MathBox.Primitive.types={};
 MathBox.Primitive.prototype={defaults:function(){return{}},type:function(){return"primitive"},init:function(){},make:function(){},destroy:function(){},renderables:function(){return[]},adjust:function(a){}};MathBox.Attributes.mixin(MathBox.Primitive);MicroEvent.mixin(MathBox.Primitive);MathBox.Curve=function(a){null!==a&&MathBox.Primitive.call(this,a)};
 MathBox.Curve.prototype=_.extend(new MathBox.Primitive(null),{defaults:function(){return{n:64,domain:[0,1],data:null,expression:function(){return 0},live:!0,points:!1,line:!0,style:{}}},type:function(){return"curve"},renderables:function(){return[this.line,this.points]},adjust:function(a){a=this.get();this.line.show(a.line);this.points.show(a.points);(a.line||a.points)&&0<this.style.get("opacity")&&a.live&&this.calculate()},make:function(){var a=this.get(),b=this.style,c=a.n,d=this.vertices=[];_.loop(c,
-function(){d.push(new THREE.Vector3)});c=function(c){return new MathBox.Renderable.Mesh(d,{type:c,dynamic:a.live},b)};this.line=c("line");this.points=c("points");this.calculate()},calculate:function(){var a=this.vertices,b=this.get(),c=b.data,d=b.domain,e=b.n,f=d[0],g=(d[1]-f)/(e-1),h;_.loop(e,function(d){h=c&&void 0!==c[d]?c[d]:b.expression.call(this,f,d);var e=0,m=0,q=0;if(h instanceof Array){var u=h.length;0<u&&(e=h[0]);1<u&&(m=h[1]);2<u&&(q=h[2])}else e=f,m=+h;a[d].set(e,m,q);f+=g}.bind(this))}});
+function(){d.push(new THREE.Vector3)});c=function(c){return new MathBox.Renderable.Mesh(d,{type:c,dynamic:a.live},b)};this.line=c("line");this.points=c("points");this.calculate()},calculate:function(){var a=this.vertices,b=this.get(),c=b.data,d=b.domain,e=b.n,f=d[0],h=(d[1]-f)/(e-1),k;_.loop(e,function(d){k=c&&void 0!==c[d]?c[d]:b.expression.call(this,f,d);var e=0,m=0,q=0;if(k instanceof Array){var u=k.length;0<u&&(e=k[0]);1<u&&(m=k[1]);2<u&&(q=k[2])}else e=f,m=+k;a[d].set(e,m,q);f+=h}.bind(this))}});
 MathBox.Primitive.types.curve=MathBox.Curve;MathBox.Bezier=function(a){MathBox.Curve.call(this,a)};
-MathBox.Bezier.prototype=_.extend(new MathBox.Curve(null),{defaults:function(){return{n:64,domain:[0,1],data:null,order:3,expression:function(){return 0},live:!0,points:!1,line:!0,style:{}}},type:function(){return"bezier"},calculate:function(){var a=this.vertices,b=this.get(),c=b.domain,d=b.data,e=b.order,f=b.n;if(1>e||3<e)throw"Bezier curve order must be 1, 2 or 3.";var g=[],h;_.loop(e+1,function(a){h=d&&void 0!==d[a]?d[a]:b.expression.call(this,a,a);var c=a=0,e=0;if(h instanceof Array){var f=h.length;
-0<f&&(a=h[0]);1<f&&(c=h[1]);2<f&&(e=h[2])}else a=l,c=+h;g.push(new THREE.Vector3(a,c,e))}.bind(this));var k={bezierPoints:g},l=c[0],m=(c[1]-l)/(f-1);_.loop(f,function(b){a[b].set(l,0,0);l+=m});c={uniforms:k,shaders:{position:function(a,b){a.snippet("bezier"+e).snippet("mathTransform");b.viewport(a)}}};this.line.set(c);this.points.set(c)}});MathBox.Primitive.types.bezier=MathBox.Bezier;
+MathBox.Bezier.prototype=_.extend(new MathBox.Curve(null),{defaults:function(){return{n:64,domain:[0,1],data:null,order:3,expression:function(){return 0},live:!0,points:!1,line:!0,style:{}}},type:function(){return"bezier"},calculate:function(){var a=this.vertices,b=this.get(),c=b.domain,d=b.data,e=b.order,f=b.n;if(1>e||3<e)throw"Bezier curve order must be 1, 2 or 3.";var h=[],k;_.loop(e+1,function(a){k=d&&void 0!==d[a]?d[a]:b.expression.call(this,a,a);var c=a=0,e=0;if(k instanceof Array){var f=k.length;
+0<f&&(a=k[0]);1<f&&(c=k[1]);2<f&&(e=k[2])}else a=l,c=+k;h.push(new THREE.Vector3(a,c,e))}.bind(this));var g={bezierPoints:h},l=c[0],m=(c[1]-l)/(f-1);_.loop(f,function(b){a[b].set(l,0,0);l+=m});c={uniforms:g,shaders:{position:function(a,b){a.snippet("bezier"+e).snippet("mathTransform");b.viewport(a)}}};this.line.set(c);this.points.set(c)}});MathBox.Primitive.types.bezier=MathBox.Bezier;
 MathBox.Axis=function(a){null!==a&&(MathBox.Primitive.call(this,a),this.on("change",function(a){void 0!==a.size&&this.arrow&&this.arrow.set("size",a.size)}))};
-MathBox.Axis.prototype=_.extend(new MathBox.Primitive(null),{defaults:function(){return{axis:0,offset:[0,0,0],n:2,arrow:!0,line:!0,labels:!1,decimals:2,distance:15,ticks:10,tickUnit:1,tickScale:10,size:0.07,style:{lineWidth:4,color:new THREE.Color(7368816)},formatter:null,zero:!0}},renderables:function(){return[this.line,this.ticks,this.arrow,this.labels]},type:function(){return"axis"},adjust:function(a,b){var c=this.get(),d=c.axis,e=c.offset,f=c.arrow,g=c.line,h=c.labels,k=c.n,l=c.ticks,m=c.tickUnit,
-q=c.tickScale,c=c.decimals,u=this.points,t=this.labelPoints,s=this.labelTangent,r=this.tickPoints,v=this.tickSigns,w=[0,0,0],y=new THREE.Vector3;new THREE.Vector4;var x=a.axis(d),z=x[0],x=x[1],B=(x-z)/(k-1);y.set.apply(y,e);_.loop(k,function(a){w[d]=z+a*B;u[a].set.apply(u[a],w);u[a].addSelf(y)});this.line.show(g);this.arrow.show(f);k=this.scale=MathBox.Ticks(z,x,l,m,q,!0);this.ticks.show(!!l);if(l){l=Math.floor(r.length/2);k.length>l&&(k=k.slice(0,l));var l=[0,0,0],A;l[2==d?0:1-d]=0.01*(x-z);this.epsilon.set.apply(this.epsilon,
-l);w=[0,0,0];_.each(k,function(a,b){w[d]=a;var c=2*b;r[c].set.apply(r[c],w);r[c].addSelf(y);v[c]=1;r[c+1].copy(r[c]);v[c+1]=-1;t[b].copy(r[c]);A=c+1});l=A+1;for(k=r.length;l<k;)r[l].copy(r[A]),v[l]=v[A],l++}w=[0,0,0];w[d]=1;s.set.apply(s,w);this.labels.show(!!h);this.labels.set("decimals",c)},make:function(){var a=this.get(),b=a.n,c=a.size,d=a.ticks,e=a.distance,f=a.formatter,g=this.style,h=this.points=[],k=this.labelPoints=[],l=this.labelTangent=new THREE.Vector3,m=this.tickPoints=[],q=this.tickSigns=
-[],u=this.epsilon=new THREE.Vector3;_.loop(b,function(a){h.push(new THREE.Vector3)});_.loop(4*d,function(a){k.push(new THREE.Vector3)});_.loop(8*d,function(a){m.push(new THREE.Vector3);q.push(1)});var d={dynamic:!0,size:c,offset:0.5},c={dynamic:!0,size:0.2*c},e={dynamic:!0,distance:e},t=function(b){b=this.scale[b];return 0!=b||a.zero?f?f(b):b:""}.bind(this);this.line=new MathBox.Renderable.Mesh(h,{dynamic:!0,type:"line"},g);this.arrow=new MathBox.Renderable.ArrowHead(h[b-2],h[b-1],d,g);this.ticks=
-new MathBox.Renderable.Ticks(m,q,u,c,g);this.labels=new MathBox.Renderable.Labels(k,l,t,e,g)}});MathBox.Axis.validateArgs=function(a){"number"==typeof a&&(a={axis:a});return a};MathBox.Primitive.types.axis=MathBox.Axis;MathBox.Grid=function(a){null!==a&&MathBox.Primitive.call(this,a)};
-MathBox.Grid.prototype=_.extend(new MathBox.Primitive(null),{defaults:function(){return{axis:[0,1],offset:[0,0,0],show:[!0,!0],n:2,ticks:[10,10],tickUnit:[1,1],tickScale:[10,10],style:{lineWidth:1,color:new THREE.Color(10526880)}}},type:function(){return"grid"},renderables:function(){return this.lines||[]},adjust:function(a){function b(a,b,c,d,e){var f=l.slice(),g=0,k=MathBox.Ticks(b.min,b.max,b.ticks,b.tickUnit,b.tickScale,!0);k.length>d&&(k=k.slice(0,d));_.each(k,function(d){f[b.axis]=d+l[b.axis];
-f[c.axis]=c.min+l[c.axis];_.loop(e-1,function(b){a[g].set.apply(a[g],f);g++;f[c.axis]+=c.inv;a[g].set.apply(a[g],f);g++})});d=Math.max(0,g-1);for(k=a.length;g<k;)a[g++].copy(a[d])}var c=this.get(),d=c.axis,e=c.ticks,f=c.tickUnit,g=c.tickScale,h=c.n,k=c.show,l=c.offset,c=this.points,m=this.limit,q=[];"number"==typeof h&&(h=[h,h]);_.each(d,function(b,c){var d=a.axis(b);q.push({axis:b,min:d[0],max:d[1],inv:(d[1]-d[0])/(h[c]-1),ticks:e[c],tickUnit:f[c],tickScale:g[c]})});this.lines[0].show(k[0]);this.lines[1].show(k[1]);
-k[0]&&b(c[0],q[1],q[0],m[0],h[0]);k[1]&&b(c[1],q[0],q[1],m[1],h[1])},make:function(a){var b=this.get();a=b.ticks;var c=b.n,d=this.points=[[],[]],b=this.style;"number"==typeof c&&(c=[c,c]);var e=this.limit=[0,0];_.each(a,function(a,b){b=1-b;e[b]=4*a;_.loop(e[b]*(c[b]-1)*2,function(a){d[b].push(new THREE.Vector3)})});this.lines=[];this.lines.push(new MathBox.Renderable.Mesh(d[0],{type:"line",strip:!1,dynamic:!0},b));this.lines.push(new MathBox.Renderable.Mesh(d[1],{type:"line",strip:!1,dynamic:!0},
+MathBox.Axis.prototype=_.extend(new MathBox.Primitive(null),{defaults:function(){return{axis:0,offset:[0,0,0],n:2,arrow:!0,line:!0,labels:!1,decimals:2,distance:15,ticks:10,tickUnit:1,tickScale:10,size:0.07,style:{lineWidth:4,color:new THREE.Color(7368816)},formatter:null,zero:!0}},renderables:function(){return[this.line,this.ticks,this.arrow,this.labels]},type:function(){return"axis"},adjust:function(a,b){var c=this.get(),d=c.axis,e=c.offset,f=c.arrow,h=c.line,k=c.labels,g=c.n,l=c.ticks,m=c.tickUnit,
+q=c.tickScale,c=c.decimals,u=this.points,t=this.labelPoints,s=this.labelTangent,r=this.tickPoints,v=this.tickSigns,w=[0,0,0],y=new THREE.Vector3;new THREE.Vector4;var x=a.axis(d),z=x[0],x=x[1],B=(x-z)/(g-1);y.set.apply(y,e);_.loop(g,function(a){w[d]=z+a*B;u[a].set.apply(u[a],w);u[a].addSelf(y)});this.line.show(h);this.arrow.show(f);g=this.scale=MathBox.Ticks(z,x,l,m,q,!0);this.ticks.show(!!l);if(l){l=Math.floor(r.length/2);g.length>l&&(g=g.slice(0,l));var l=[0,0,0],A;l[2==d?0:1-d]=0.01*(x-z);this.epsilon.set.apply(this.epsilon,
+l);w=[0,0,0];_.each(g,function(a,b){w[d]=a;var c=2*b;r[c].set.apply(r[c],w);r[c].addSelf(y);v[c]=1;r[c+1].copy(r[c]);v[c+1]=-1;t[b].copy(r[c]);A=c+1});l=A+1;for(g=r.length;l<g;)r[l].copy(r[A]),v[l]=v[A],l++}w=[0,0,0];w[d]=1;s.set.apply(s,w);this.labels.show(!!k);this.labels.set("decimals",c)},make:function(){var a=this.get(),b=a.n,c=a.size,d=a.ticks,e=a.distance,f=a.formatter,h=this.style,k=this.points=[],g=this.labelPoints=[],l=this.labelTangent=new THREE.Vector3,m=this.tickPoints=[],q=this.tickSigns=
+[],u=this.epsilon=new THREE.Vector3;_.loop(b,function(a){k.push(new THREE.Vector3)});_.loop(4*d,function(a){g.push(new THREE.Vector3)});_.loop(8*d,function(a){m.push(new THREE.Vector3);q.push(1)});var d={dynamic:!0,size:c,offset:0.5},c={dynamic:!0,size:0.2*c},e={dynamic:!0,distance:e},t=function(b){b=this.scale[b];return 0!=b||a.zero?f?f(b):b:""}.bind(this);this.line=new MathBox.Renderable.Mesh(k,{dynamic:!0,type:"line"},h);this.arrow=new MathBox.Renderable.ArrowHead(k[b-2],k[b-1],d,h);this.ticks=
+new MathBox.Renderable.Ticks(m,q,u,c,h);this.labels=new MathBox.Renderable.Labels(g,l,t,e,h)}});MathBox.Axis.validateArgs=function(a){"number"==typeof a&&(a={axis:a});return a};MathBox.Primitive.types.axis=MathBox.Axis;MathBox.Grid=function(a){null!==a&&MathBox.Primitive.call(this,a)};
+MathBox.Grid.prototype=_.extend(new MathBox.Primitive(null),{defaults:function(){return{axis:[0,1],offset:[0,0,0],show:[!0,!0],n:2,ticks:[10,10],tickUnit:[1,1],tickScale:[10,10],style:{lineWidth:1,color:new THREE.Color(10526880)}}},type:function(){return"grid"},renderables:function(){return this.lines||[]},adjust:function(a){function b(a,b,c,d,e){var f=l.slice(),g=0,h=MathBox.Ticks(b.min,b.max,b.ticks,b.tickUnit,b.tickScale,!0);h.length>d&&(h=h.slice(0,d));_.each(h,function(d){f[b.axis]=d+l[b.axis];
+f[c.axis]=c.min+l[c.axis];_.loop(e-1,function(b){a[g].set.apply(a[g],f);g++;f[c.axis]+=c.inv;a[g].set.apply(a[g],f);g++})});d=Math.max(0,g-1);for(h=a.length;g<h;)a[g++].copy(a[d])}var c=this.get(),d=c.axis,e=c.ticks,f=c.tickUnit,h=c.tickScale,k=c.n,g=c.show,l=c.offset,c=this.points,m=this.limit,q=[];"number"==typeof k&&(k=[k,k]);_.each(d,function(b,c){var d=a.axis(b);q.push({axis:b,min:d[0],max:d[1],inv:(d[1]-d[0])/(k[c]-1),ticks:e[c],tickUnit:f[c],tickScale:h[c]})});this.lines[0].show(g[0]);this.lines[1].show(g[1]);
+g[0]&&b(c[0],q[1],q[0],m[0],k[0]);g[1]&&b(c[1],q[0],q[1],m[1],k[1])},make:function(a){var b=this.get();a=b.ticks;var c=b.n,d=this.points=[[],[]],b=this.style;"number"==typeof c&&(c=[c,c]);var e=this.limit=[0,0];_.each(a,function(a,b){b=1-b;e[b]=4*a;_.loop(e[b]*(c[b]-1)*2,function(a){d[b].push(new THREE.Vector3)})});this.lines=[];this.lines.push(new MathBox.Renderable.Mesh(d[0],{type:"line",strip:!1,dynamic:!0},b));this.lines.push(new MathBox.Renderable.Mesh(d[1],{type:"line",strip:!1,dynamic:!0},
 b))}});MathBox.Primitive.types.grid=MathBox.Grid;MathBox.Vector=function(a){null!==a&&(MathBox.Primitive.call(this,a),this.render=[],this.arrows=[],this.line=this.points=this.vertices=null,this.on("change",function(a){void 0!==a.size&&_.each(this.arrows,function(c){c.set("size",a.size)})}))};MathBox.Vector.vLast=new THREE.Vector3;MathBox.Vector.vCurrent=new THREE.Vector3;
-MathBox.Vector.prototype=_.extend(new MathBox.Primitive(null),{defaults:function(){return{n:1,data:null,arrow:!0,expression:function(){return 0},live:!0,style:{},size:0.07}},type:function(){return"vector"},renderables:function(){return this.render},adjust:function(a){var b=this.get();0<this.style.get("opacity")&&(b.arrow||b.live)&&this.calculate(a);_.each(this.arrows,function(a){a.show(b.arrow)})},make:function(){var a=this.get(),b=a.arrow,c=this.style,d=a.n,e=this.vertices=[],f=this.points=[],g=
-this.render=[],h=this.arrows=[],k={dynamic:a.live,type:"line",strip:!1},l={size:a.size},m=0;_.loop(d,function(){e.push(new THREE.Vector3);e.push(new THREE.Vector3);f.push(new THREE.Vector3);f.push(new THREE.Vector3);if(b){var a=new MathBox.Renderable.ArrowHead(f[m++],f[m++],l,c);g.push(a);h.push(a)}});this.line=new MathBox.Renderable.Mesh(e,k,c);g.push(this.line);this.calculate()},calculate:function(a){var b=this.vertices,c=this.arrows,d=this.points,e=this.get(),f=e.data,g=e.arrow,h=e.n,k=e.size,
-l=this.style.get("mathScale"),m=0,q=0;_.loop(2*h,function(h){p=f&&void 0!==f[h]?f[h]:e.expression.call(this,q,m);var t=0,s=0,r=0;if(p instanceof Array){var v=p.length;0<v&&(t=p[0]);1<v&&(s=p[1]);2<v&&(r=p[2])}else t=h,s=+p,r=0;d[h].set(t,s,r);b[h].set(t,s,r);a&&g&&1==h%2&&(t=MathBox.Vector.vLast,s=MathBox.Vector.vCurrent,s.copy(b[h]),t.copy(b[h-1]),a.to(s),a.to(t),s.subSelf(t).multiplySelf(l),v=s.length(),r=Math.min(1,0.5*v/k),r=(1-(1-r)*(1-r))*k,v-=r,s.normalize().multiplyScalar(v).divideSelf(l).addSelf(t),
-a.from(s),b[h].copy(s),c[q].set({size:r}));q=m?q+1:q;m=(m+1)%2}.bind(this))}});MathBox.Primitive.types.vector=MathBox.Vector;MathBox.Surface=function(a){null!==a&&MathBox.Primitive.call(this,a)};
+MathBox.Vector.prototype=_.extend(new MathBox.Primitive(null),{defaults:function(){return{n:1,data:null,arrow:!0,expression:function(){return 0},live:!0,style:{},size:0.07}},type:function(){return"vector"},renderables:function(){return this.render},adjust:function(a){var b=this.get();0<this.style.get("opacity")&&(b.arrow||b.live)&&this.calculate(a);_.each(this.arrows,function(a){a.show(b.arrow)})},make:function(){var a=this.get(),b=a.arrow,c=this.style,d=a.n,e=this.vertices=[],f=this.points=[],h=
+this.render=[],k=this.arrows=[],g={dynamic:a.live,type:"line",strip:!1},l={size:a.size},m=0;_.loop(d,function(){e.push(new THREE.Vector3);e.push(new THREE.Vector3);f.push(new THREE.Vector3);f.push(new THREE.Vector3);if(b){var a=new MathBox.Renderable.ArrowHead(f[m++],f[m++],l,c);h.push(a);k.push(a)}});this.line=new MathBox.Renderable.Mesh(e,g,c);h.push(this.line);this.calculate()},calculate:function(a){var b=this.vertices,c=this.arrows,d=this.points,e=this.get(),f=e.data,h=e.arrow,k=e.n,g=e.size,
+l=this.style.get("mathScale"),m=0,q=0;_.loop(2*k,function(k){p=f&&void 0!==f[k]?f[k]:e.expression.call(this,q,m);var t=0,s=0,r=0;if(p instanceof Array){var v=p.length;0<v&&(t=p[0]);1<v&&(s=p[1]);2<v&&(r=p[2])}else t=k,s=+p,r=0;d[k].set(t,s,r);b[k].set(t,s,r);a&&h&&1==k%2&&(t=MathBox.Vector.vLast,s=MathBox.Vector.vCurrent,s.copy(b[k]),t.copy(b[k-1]),a.to(s),a.to(t),s.subSelf(t).multiplySelf(l),v=s.length(),r=Math.min(1,0.5*v/g),r=(1-(1-r)*(1-r))*g,v-=r,s.normalize().multiplyScalar(v).divideSelf(l).addSelf(t),
+a.from(s),b[k].copy(s),c[q].set({size:r}));q=m?q+1:q;m=(m+1)%2}.bind(this))}});MathBox.Primitive.types.vector=MathBox.Vector;MathBox.Surface=function(a){null!==a&&MathBox.Primitive.call(this,a)};
 MathBox.Surface.prototype=_.extend(new MathBox.Primitive(null),{defaults:function(){return{n:[64,64],domain:[[0,1],[0,1]],data:null,expression:function(){return 0},live:!0,points:!1,line:!1,mesh:!0,doubleSided:!0,flipSided:!1,shaded:!0,style:{}}},type:function(){return"surface"},renderables:function(){return[this.mesh,this.line,this.points]},adjust:function(a){a=this.get();this.mesh.show(a.mesh);this.line.show(a.line);this.points.show(a.points);(a.mesh||a.line||a.points)&&0<this.style.get("opacity")&&
 a.live&&this.calculate()},make:function(){var a=this.get(),b=this.style,c=a.n;"number"==typeof c&&(c=[c,c]);var d=this.geometry=new THREE.PlaneGeometry(2,2,c[0]-1,c[1]-1);this.vertices=d.vertices;this.mesh=new MathBox.Renderable.Mesh(d,{type:"mesh",doubleSided:a.doubleSided,flipSided:a.flipSided,shaded:a.shaded,smooth:!0,dynamic:a.live},b);this.line=new MathBox.Renderable.Mesh(d,{type:"mesh",shaded:a.shaded,smooth:!0,dynamic:a.live,wireframe:!0},b);this.points=new MathBox.Renderable.Mesh(d.vertices,
-{type:"points",dynamic:a.live},b);if(a.shaded){var e=this.tangents=[[],[]];_.loop(c[0]*c[1],function(){e[0].push(new THREE.Vector3);e[1].push(new THREE.Vector3)})}this.calculate()},calculate:function(){var a=this.vertices,b=this.tangents,c=this.get(),d=c.data,e=c.domain,f=c.n,g=c.flipSided,h=g?1:0,g=g?0:1;"number"==typeof f&&(f=[f,f]);var k=e[0][0],l=e[1][0],m=(e[0][1]-k)/(f[0]-1),q=(e[1][1]-l)/(f[1]-1),u,t=0;_.loop(f[1],function(b){k=e[0][0];_.loop(f[0],function(e){u=d&&void 0!==d[b]&&void 0!==d[b][e]?
-d[b][e]:c.expression.call(this,k,l,e,b,t);var f=e=0,g=0;if(u instanceof Array){var h=u.length;0<h&&(e=u[0]);1<h&&(f=u[1]);2<h&&(g=u[2])}else e=k,f=+u,g=l;a[t].set(e,f,g);k+=m;t++}.bind(this));l+=q}.bind(this));if(c.shaded){var t=0,l=e[1][0],s=f[0];_.loop(f[1],function(c){k=e[0][0];var d=c?c-1:0,g=Math.min(f[1]-1,c+1);_.loop(f[0],function(e){var h=e?e-1:0,l=Math.min(f[0]-1,e+1),q=a[e+c*s];l==e?b[0][t].sub(q,a[h+c*s]).addSelf(q):b[0][t].copy(a[l+c*s]);g==c?b[1][t].sub(q,a[e+d*s]).addSelf(q):b[1][t].copy(a[e+
-g*s]);k+=m;t++});l+=q});this.line.set("attributes",{positionDU:b[h],positionDV:b[g]});this.mesh.set("attributes",{positionDU:b[h],positionDV:b[g]})}}});MathBox.Primitive.types.surface=MathBox.Surface;MathBox.BezierSurface=function(a){this.matrixX=new THREE.Matrix4;this.matrixY=new THREE.Matrix4;this.matrixZ=new THREE.Matrix4;this.coefficients=new THREE.Matrix4(-1,3,-3,1,3,-6,3,0,-3,3,0,0,1,0,0,0);MathBox.Surface.call(this,a)};
-MathBox.BezierSurface.prototype=_.extend(new MathBox.Surface(null),{defaults:function(){return{n:[64,64],domain:[[0,1],[0,1]],data:null,order:3,expression:function(){return 0},live:!0,points:!1,line:!1,mesh:!0,doubleSided:!0,flipSided:!1,shaded:!0,style:{}}},type:function(){return"bezierSurface"},calculate:function(){var a=this.vertices,b=this.get(),c=b.domain,d=b.data,e=b.order,f=b.shaded,g=b.n;"number"==typeof g&&(g=[g,g]);if(3!=e)throw"Bezier surface order must be 3.";var h=[],k;_.loop(e+1,function(a){_.loop(e+
-1,function(c){k=d&&void 0!==d[a]&&void 0!==d[a][c]?d[a][c]:b.expression.call(this,c,a,c,a);var e=0,f=0,g=0;k instanceof Array?(c=k.length,0<c&&(e=k[0]),1<c&&(f=k[1]),2<c&&(g=k[2])):(e=c,f=+k,g=a);h.push([e,f,g])}.bind(this))}.bind(this));k=h;this.matrixX.set(k[0][0],k[1][0],k[2][0],k[3][0],k[4][0],k[5][0],k[6][0],k[7][0],k[8][0],k[9][0],k[10][0],k[11][0],k[12][0],k[13][0],k[14][0],k[15][0]);this.matrixY.set(k[0][1],k[1][1],k[2][1],k[3][1],k[4][1],k[5][1],k[6][1],k[7][1],k[8][1],k[9][1],k[10][1],k[11][1],
-k[12][1],k[13][1],k[14][1],k[15][1]);this.matrixZ.set(k[0][2],k[1][2],k[2][2],k[3][2],k[4][2],k[5][2],k[6][2],k[7][2],k[8][2],k[9][2],k[10][2],k[11][2],k[12][2],k[13][2],k[14][2],k[15][2]);var l=this.coefficients;this.matrixX.multiplySelf(l).transpose().multiplySelf(l);this.matrixY.multiplySelf(l).transpose().multiplySelf(l);this.matrixZ.multiplySelf(l).transpose().multiplySelf(l);var l={bezierSurfaceX:this.matrixX,bezierSurfaceY:this.matrixY,bezierSurfaceZ:this.matrixZ},m=c[0][0],q=c[1][0],u=(c[0][1]-
-m)/(g[0]-1),t=(c[1][1]-q)/(g[1]-1),s=0;_.loop(g[1],function(b){m=c[0][0];_.loop(g[0],function(b){a[s].set(m,q,0);m+=u;s++}.bind(this));q+=t}.bind(this));l={uniforms:l,shaders:{position:function(a,b){f?(a.snippet("bezierSurface"+e),a.group(),a.snippet("mathTransform"),b.viewport(a),a.next(),a.snippet("mathTransform"),b.viewport(a),a.next(),a.snippet("mathTransform"),b.viewport(a),a.combine()):(a.snippet("bezierSurface"+e).snippet("mathTransform"),b.viewport(a))}}};this.mesh.set(l);this.line.set(l);
+{type:"points",dynamic:a.live},b);if(a.shaded){var e=this.tangents=[[],[]];_.loop(c[0]*c[1],function(){e[0].push(new THREE.Vector3);e[1].push(new THREE.Vector3)})}this.calculate()},calculate:function(){var a=this.vertices,b=this.tangents,c=this.get(),d=c.data,e=c.domain,f=c.n,h=c.flipSided,k=h?1:0,h=h?0:1;"number"==typeof f&&(f=[f,f]);var g=e[0][0],l=e[1][0],m=(e[0][1]-g)/(f[0]-1),q=(e[1][1]-l)/(f[1]-1),u,t=0;_.loop(f[1],function(b){g=e[0][0];_.loop(f[0],function(e){u=d&&void 0!==d[b]&&void 0!==d[b][e]?
+d[b][e]:c.expression.call(this,g,l,e,b,t);var f=e=0,h=0;if(u instanceof Array){var k=u.length;0<k&&(e=u[0]);1<k&&(f=u[1]);2<k&&(h=u[2])}else e=g,f=+u,h=l;a[t].set(e,f,h);g+=m;t++}.bind(this));l+=q}.bind(this));if(c.shaded){var t=0,l=e[1][0],s=f[0];_.loop(f[1],function(c){g=e[0][0];var d=c?c-1:0,h=Math.min(f[1]-1,c+1);_.loop(f[0],function(e){var k=e?e-1:0,l=Math.min(f[0]-1,e+1),q=a[e+c*s];l==e?b[0][t].sub(q,a[k+c*s]).addSelf(q):b[0][t].copy(a[l+c*s]);h==c?b[1][t].sub(q,a[e+d*s]).addSelf(q):b[1][t].copy(a[e+
+h*s]);g+=m;t++});l+=q});this.line.set("attributes",{positionDU:b[k],positionDV:b[h]});this.mesh.set("attributes",{positionDU:b[k],positionDV:b[h]})}}});MathBox.Primitive.types.surface=MathBox.Surface;MathBox.BezierSurface=function(a){this.matrixX=new THREE.Matrix4;this.matrixY=new THREE.Matrix4;this.matrixZ=new THREE.Matrix4;this.coefficients=new THREE.Matrix4(-1,3,-3,1,3,-6,3,0,-3,3,0,0,1,0,0,0);MathBox.Surface.call(this,a)};
+MathBox.BezierSurface.prototype=_.extend(new MathBox.Surface(null),{defaults:function(){return{n:[64,64],domain:[[0,1],[0,1]],data:null,order:3,expression:function(){return 0},live:!0,points:!1,line:!1,mesh:!0,doubleSided:!0,flipSided:!1,shaded:!0,style:{}}},type:function(){return"bezierSurface"},calculate:function(){var a=this.vertices,b=this.get(),c=b.domain,d=b.data,e=b.order,f=b.shaded,h=b.n;"number"==typeof h&&(h=[h,h]);if(3!=e)throw"Bezier surface order must be 3.";var k=[],g;_.loop(e+1,function(a){_.loop(e+
+1,function(c){g=d&&void 0!==d[a]&&void 0!==d[a][c]?d[a][c]:b.expression.call(this,c,a,c,a);var e=0,f=0,h=0;g instanceof Array?(c=g.length,0<c&&(e=g[0]),1<c&&(f=g[1]),2<c&&(h=g[2])):(e=c,f=+g,h=a);k.push([e,f,h])}.bind(this))}.bind(this));g=k;this.matrixX.set(g[0][0],g[1][0],g[2][0],g[3][0],g[4][0],g[5][0],g[6][0],g[7][0],g[8][0],g[9][0],g[10][0],g[11][0],g[12][0],g[13][0],g[14][0],g[15][0]);this.matrixY.set(g[0][1],g[1][1],g[2][1],g[3][1],g[4][1],g[5][1],g[6][1],g[7][1],g[8][1],g[9][1],g[10][1],g[11][1],
+g[12][1],g[13][1],g[14][1],g[15][1]);this.matrixZ.set(g[0][2],g[1][2],g[2][2],g[3][2],g[4][2],g[5][2],g[6][2],g[7][2],g[8][2],g[9][2],g[10][2],g[11][2],g[12][2],g[13][2],g[14][2],g[15][2]);var l=this.coefficients;this.matrixX.multiplySelf(l).transpose().multiplySelf(l);this.matrixY.multiplySelf(l).transpose().multiplySelf(l);this.matrixZ.multiplySelf(l).transpose().multiplySelf(l);var l={bezierSurfaceX:this.matrixX,bezierSurfaceY:this.matrixY,bezierSurfaceZ:this.matrixZ},m=c[0][0],q=c[1][0],u=(c[0][1]-
+m)/(h[0]-1),t=(c[1][1]-q)/(h[1]-1),s=0;_.loop(h[1],function(b){m=c[0][0];_.loop(h[0],function(b){a[s].set(m,q,0);m+=u;s++}.bind(this));q+=t}.bind(this));l={uniforms:l,shaders:{position:function(a,b){f?(a.snippet("bezierSurface"+e),a.group(),a.snippet("mathTransform"),b.viewport(a),a.next(),a.snippet("mathTransform"),b.viewport(a),a.next(),a.snippet("mathTransform"),b.viewport(a),a.combine()):(a.snippet("bezierSurface"+e).snippet("mathTransform"),b.viewport(a))}}};this.mesh.set(l);this.line.set(l);
 this.points.set(l)}});MathBox.Primitive.types.bezierSurface=MathBox.BezierSurface;MathBox.Platonic=function(a){null!==a&&MathBox.Primitive.call(this,a)};
 MathBox.Platonic.prototype=_.extend(new MathBox.Primitive(null),{defaults:function(){return{n:1,type:"cube",points:!1,line:!1,mesh:!0,doubleSided:!0,flipSided:!1,shaded:!0,style:{}}},type:function(){return"platonic"},renderables:function(){return[this.mesh,this.line,this.points]},adjust:function(a){a=this.get();this.mesh.show(a.mesh);this.line.show(a.line);this.points.show(a.points)},make:function(){var a=this.get(),b=this.style,c;switch(a.type){case "cube":c=new THREE.CubeGeometry(2,2,2,1,1,1)}this.mesh=
 new MathBox.Renderable.Mesh(c,{type:"mesh",doubleSided:a.doubleSided,flipSided:a.flipSided,shaded:a.shaded,smooth:!1,dynamic:a.live},b);this.line=new MathBox.Renderable.Mesh(c,{type:"mesh",shaded:a.shaded,smooth:!1,dynamic:a.live,wireframe:!0},b);this.points=new MathBox.Renderable.Mesh(c.vertices,{type:"points",dynamic:a.live},b)}});MathBox.Primitive.types.platonic=MathBox.Platonic;MathBox.Label=function(a){null!==a&&MathBox.Primitive.call(this,a)};
-MathBox.Label.prototype=_.extend(new MathBox.Primitive(null),{defaults:function(){return{position:[0,0,0],facing:1,distance:15,style:{color:new THREE.Color(7368816)},text:""}},renderables:function(){return[this.labels]},type:function(){return"label"},adjust:function(a,b){var c=this.get(),d=[0,0,0];d[c.facing]=1;var e=this.labelTangent;e.set.apply(e,d);d=this.labelPoint;d.set.apply(d,c.position);this.labels.show(!0)},make:function(){var a=this.get(),b=a.position,c=a.text,d=a.distance,a=this.style,
-e=this.labelTangent=new THREE.Vector3,f=this.labelPoint=new THREE.Vector3,d={dynamic:!0,distance:d};f.set.apply(f,b);b=function(a){return c}.bind(this);this.labels=new MathBox.Renderable.Labels([f],e,b,d,a)}});MathBox.Label.validateArgs=function(a){return a};MathBox.Primitive.types.label=MathBox.Label;
+MathBox.Label.prototype=_.extend(new MathBox.Primitive(null),{defaults:function(){return{position:[0,0,0],facing:1,distance:15,style:{color:new THREE.Color(7368816)},class_name:"mathbox-labels",text:""}},renderables:function(){return[this.labels]},type:function(){return"label"},adjust:function(a,b){var c=this.get(),d=[0,0,0];d[c.facing]=1;var e=this.labelTangent;e.set.apply(e,d);d=this.labelPoint;d.set.apply(d,c.position);this.labels.show(!0)},make:function(){var a=this.get(),b=a.position,c=a.text,
+d=a.distance,e=a.class_name,a=this.style,f=this.labelTangent=new THREE.Vector3,h=this.labelPoint=new THREE.Vector3,d={dynamic:!0,distance:d,class_name:e};h.set.apply(h,b);b=function(a){return c}.bind(this);this.labels=new MathBox.Renderable.Labels([h],f,b,d,a)}});MathBox.Label.validateArgs=function(a){return a};MathBox.Primitive.types.label=MathBox.Label;
 MathBox.Renderable=function(a,b){if(null!==a){this.id=++MathBox.Renderable.id;var c=this.defaults();a&&(a=_.extend(c,a||{}));this.set(a||c);this.geometry=this.material=this.object=null;this.visible=!0;this.style=b||new MathBox.Style;this.style.on("change",this.styleCallback=this.refreshStyle.bind(this));this.on("change",this.uniformsCallback=this.refreshOptions.bind(this));this.mathTransform=new THREE.Matrix4}};MathBox.Renderable.id=0;
 MathBox.Renderable.prototype={defaults:function(){return{}},make:function(a){},destroy:function(){},show:function(a){a=void 0===a?!0:!!a;a!=this.visible&&(this.visible=a,this.refresh())},isVisible:function(){return this.object&&this.object.visible},composeTransform:function(a,b,c){var d=THREE.Matrix4.__m1,e=THREE.Matrix4.__m2;d.identity();d.setRotationFromEuler(b,this.object.eulerOrder);e.makeScale(c.x,c.y,c.z);this.mathTransform.multiply(d,e);b=this.mathTransform.elements;b[12]=a.x;b[13]=a.y;b[14]=
 a.z},refreshStyle:function(a){var b=this.style.get();a=a||b;this.material&&this.material.applyUniforms(a);if(this.object){this.object.frustumCulled=!1;a.worldPosition&&(this.object.position=b.worldPosition);a.worldRotation&&(this.object.rotation=b.worldRotation);a.worldScale&&(this.object.scale=b.worldScale);if(a.mathPosition||a.mathRotation||a.mathScale)this.composeTransform(b.mathPosition,b.mathRotation,b.mathScale),this.material&&this.material.applyUniforms({mathTransform:this.mathTransform});
@@ -178,31 +178,31 @@ this.material.applyUniforms(b);(b=this.get().attributes)&&this.material.applyAtt
 MathBox.Renderable.Mesh.prototype=_.extend(new MathBox.Renderable(null),{defaults:function(){return{type:"points",doubleSided:!0,dynamic:!1,absolute:!1,strip:!0,shaders:{}}},make:function(a){var b=this.get(),c=b.type,d=b.strip,e={points:THREE.ParticleSystem,line:THREE.Line,mesh:THREE.Mesh}[c];if(!e)throw"Invalid Mesh type '"+c+"'";a=this.material=a.generic(b);var f;f=this.points;f instanceof Array?(f=this.geometry=new THREE.Geometry,f.vertices=this.points):f=this.geometry=f;f.dynamic=b.dynamic;switch(c){case "line":b=
 new THREE.Line(f,a,d?THREE.LineStrip:THREE.LinePieces);break;default:b=new e(f,a)}this.object=b;this.refresh()},adjust:function(a){this.get().dynamic&&(this.geometry.verticesNeedUpdate=!0);MathBox.Renderable.prototype.adjust.call(this,a)}});MathBox.Renderable.ArrowHead=function(a,b,c,d){this.from=a;this.to=b;MathBox.Renderable.call(this,c,d)};MathBox.Renderable.ArrowHead.geometry=new THREE.CylinderGeometry(0.33,0,1,16,1);
 MathBox.Renderable.ArrowHead.prototype=_.extend(new MathBox.Renderable(null),{defaults:function(){return{offset:0,absolute:!0,size:0.1}},make:function(a){var b=this.get();a=this.material=a.generic(b);this._from=new THREE.Vector3;this._to=new THREE.Vector3;this.diff=new THREE.Vector3;this.bi=new THREE.Vector3;this.normal=new THREE.Vector3(0,0,1);b=this.geometry=MathBox.Renderable.ArrowHead.geometry;this.object=new THREE.Mesh(b,a);this.refresh()},isVisible:function(){return this.visible&&0<this.style.get("opacity")},
-adjust:function(a){var b=this.get(),c=b.offset,d=this._from.copy(this.from),e=this._to.copy(this.to);this.mathTransform.multiplyVector3(d);this.mathTransform.multiplyVector3(e);a.to(d);a.to(e);d=this.diff.sub(d,e);if(0.001>d.length())this.object.visible=!1;else{this.object.visible=this.visible;d=d.normalize();this.normal.x=this.diff.y+0.1;this.normal.y=this.diff.z+0.2;this.normal.z=this.diff.x+0.3;this.normal.normalize();var f=this.bi.cross(this.normal,this.diff).normalize(),g=this.normal.cross(this.bi,
-this.diff),b=b.size,e=(new THREE.Matrix4(f.x,d.x,g.x,e.x,f.y,d.y,g.y,e.y,f.z,d.z,g.z,e.z,0,0,0,1)).scale(new THREE.Vector3(b,b,b));this.object.updateMatrix();this.object.matrix.multiplySelf(e);e.identity().setPosition({x:0,y:0.5-c,z:0});this.object.matrix.multiplySelf(e);this.object.matrixAutoUpdate=!1;this.object.matrixWorldNeedsUpdate=!0;MathBox.Renderable.prototype.adjust.call(this,a)}}});
+adjust:function(a){var b=this.get(),c=b.offset,d=this._from.copy(this.from),e=this._to.copy(this.to);this.mathTransform.multiplyVector3(d);this.mathTransform.multiplyVector3(e);a.to(d);a.to(e);d=this.diff.sub(d,e);if(0.001>d.length())this.object.visible=!1;else{this.object.visible=this.visible;d=d.normalize();this.normal.x=this.diff.y+0.1;this.normal.y=this.diff.z+0.2;this.normal.z=this.diff.x+0.3;this.normal.normalize();var f=this.bi.cross(this.normal,this.diff).normalize(),h=this.normal.cross(this.bi,
+this.diff),b=b.size,e=(new THREE.Matrix4(f.x,d.x,h.x,e.x,f.y,d.y,h.y,e.y,f.z,d.z,h.z,e.z,0,0,0,1)).scale(new THREE.Vector3(b,b,b));this.object.updateMatrix();this.object.matrix.multiplySelf(e);e.identity().setPosition({x:0,y:0.5-c,z:0});this.object.matrix.multiplySelf(e);this.object.matrixAutoUpdate=!1;this.object.matrixWorldNeedsUpdate=!0;MathBox.Renderable.prototype.adjust.call(this,a)}}});
 MathBox.Renderable.Ticks=function(a,b,c,d,e){this.points=a;this.signs=b;this.epsilon=c;MathBox.Renderable.call(this,d,e)};
 MathBox.Renderable.Ticks.prototype=_.extend(new MathBox.Renderable(null),{defaults:function(){return{dynamic:!1,absolute:!1,size:0.1}},make:function(a){var b=this.get(),c=this.points;a=this.material=a.generic({type:"line",shaders:{position:function(a,c){c.position(a,b);a.snippet("tickVertexSplit");a.group();c.viewport(a);a.next();c.viewport(a);a.combine();a.snippet("tickVertexJoin")}}});var d=this.geometry=new THREE.Geometry;d.vertices=c;this.object=new THREE.Line(d,a,THREE.LinePieces);this.refresh()},
 adjust:function(a){var b=this.get();this.material&&this.material.applyAttributes({tickSign:this.signs});this.material&&this.material.applyUniforms({tickEpsilon:this.epsilon,tickSize:b.size});b.dynamic&&(this.material.attributes.tickSign.needsUpdate=!0,this.geometry.verticesNeedUpdate=!0);MathBox.Renderable.prototype.adjust.call(this,a)}});MathBox.Renderable.Labels=function(a,b,c,d,e){this.points=a;this.tangent=b;this.callback=c;this.sprites=[];MathBox.Renderable.call(this,d,e)};
-MathBox.Renderable.Labels.prototype=_.extend(new MathBox.Renderable(null),{defaults:function(){return{absolute:!0,distance:15,size:1}},make:function(a){this.get();var b=this.tangent,c=this.sprites;a=this.points.length;this._anchor=new THREE.Vector3;var d=document.createElement("div"),e=this.object=new MathBox.Sprite(d);d.className="mathbox-labels";_.loop(a,function(a){a=document.createElement("div");var d=document.createElement("div");a.appendChild(d);var h=new MathBox.Sprite(a,b);a.className="mathbox-label";
-d.className="mathbox-wrap";d.style.position="relative";d.style.display="inline-block";d.style.left="-50%";d.style.top="-.5em";c.push(h);e.add(h)})},adjust:function(a,b,c,d,e){var f=this.get(),g=this.points;b=this.sprites;var h=this.callback,k=f.decimals,l=this.style.get("opacity"),m=window.MathJax&&MathJax.Hub,q=1/Math.log(10);_.each(b,function(b,c){b.position.copy(g[c]);a.to(b.position);e.matrix.multiplyVector3(b.position);b.distance=f.distance;b.opacity=l;var d="";if(h){d=h(c);void 0===d&&(d="");
-if(+d==d){var r=+d;if(0!=r)var d=0>r?-1:1,r=Math.abs(r),v=Math.pow(10,k-1-Math.floor(Math.log(r)*q)),d=r=d*Math.round(v*r)/v}m||(d=(""+d).replace(/^-/,"\u2013"))}b.content!==d&&(r=b.element.children[0],b.content=d,b.measure=!0,m?(r.innerHTML="\\("+d+"\\)",MathJax.Hub.queue.Push(["Typeset",MathJax.Hub,r])):r.innerHTML=d)});MathBox.Renderable.prototype.adjust.call(this,a)}});
+MathBox.Renderable.Labels.prototype=_.extend(new MathBox.Renderable(null),{defaults:function(){return{absolute:!0,distance:15,size:1,class_name:"mathbox-labels"}},make:function(a){a=this.get();var b=this.tangent,c=this.sprites,d=a.class_name;a=this.points.length;this._anchor=new THREE.Vector3;var e=document.createElement("div"),f=this.object=new MathBox.Sprite(e);e.className=d;_.loop(a,function(a){a=document.createElement("div");var e=document.createElement("div");a.appendChild(e);var g=new MathBox.Sprite(a,
+b);"mathbox-labels"==d&&(a.className="mathbox-label");e.className="mathbox-wrap";e.style.position="relative";e.style.display="inline-block";e.style.left="-50%";e.style.top="-.5em";c.push(g);f.add(g)})},adjust:function(a,b,c,d,e){var f=this.get(),h=this.points;b=this.sprites;var k=this.callback,g=f.decimals,l=this.style.get("opacity"),m=window.MathJax&&MathJax.Hub,q=1/Math.log(10);_.each(b,function(b,c){b.position.copy(h[c]);a.to(b.position);e.matrix.multiplyVector3(b.position);b.distance=f.distance;
+b.opacity=l;var d="";if(k){d=k(c);void 0===d&&(d="");if(+d==d){var r=+d;if(0!=r)var d=0>r?-1:1,r=Math.abs(r),v=Math.pow(10,g-1-Math.floor(Math.log(r)*q)),d=r=d*Math.round(v*r)/v}m||(d=(""+d).replace(/^-/,"\u2013"))}b.content!==d&&(r=b.element.children[0],b.content=d,b.measure=!0,m?(r.innerHTML="\\("+d+"\\)",MathJax.Hub.queue.Push(["Typeset",MathJax.Hub,r])):r.innerHTML=d)});MathBox.Renderable.prototype.adjust.call(this,a)}});
 MathBox.Viewport=function(a){if(null!==a){var b=this.defaults();a=_.extend(b,a||{});this.set(a);this.singleton="viewport";this._uniforms={}}};
 MathBox.Viewport.prototype={defaults:function(){return{type:"none",rotation:[0,0,0],position:[0,0,0]}},uniforms:function(){return this._uniforms},axis:function(a){return[0,1]},to:function(a){},from:function(a){},update:function(a){var b=this.get();_.each(["position","rotation"],function(c){a[c].set.apply(a[c],b[c])})},shader:function(a){a.snippet("mathToWorld")},validateRotation:function(a){return a.constructor==Array?(a=a.concat([0,0,0]),a.slice(0,3)):this.get("rotation")},validatePosition:function(a){return a.constructor==
 Array?(a=a.concat([0,0,0]),a.slice(0,3)):this.get("position")}};MathBox.Attributes.mixin(MathBox.Viewport,"type");MathBox.Viewport.types={};MathBox.Viewport.make=function(a){return new (MathBox.Viewport.types[a.type]||MathBox.Viewport.types.cartesian||MathBox.Viewport)(a)};
 MathBox.ViewportCartesian=function(a){if(null!==a){var b=MathBox.Viewport;b.call(this,a);this.super=b.prototype;this.transform=new THREE.Matrix4;this.inverse=new THREE.Matrix4;_.extend(this._uniforms,{viewportTransform:this.transform,viewportInverse:this.inverse})}};
-MathBox.ViewportCartesian.prototype=_.extend(new MathBox.Viewport(null),{defaults:function(){return{type:"cartesian",range:[[-1,1],[-1,1],[-1,1]],scale:[1,1,1],rotation:[0,0,0],position:[0,0,0]}},to:function(a){this.transform.multiplyVector3(a)},from:function(a){this.inverse.multiplyVector3(a)},axis:function(a){var b=this.get().range[a];a=b[0];var c=b[1],b=Math.min(a,c);a=Math.max(a,c);return[b,a]},update:function(a){var b=this.get(),c=b.range,d=b.scale,b=c[0][0],e=c[1][0],f=c[2][0],g=c[0][1]-b,h=
-c[1][1]-e,c=c[2][1]-f,k=d[0],l=d[1],d=d[2],m=[g/(2*k),0,0,b+g/2,0,h/(2*l),0,e+h/2,0,0,c/(2*d),f+c/2,0,0,0,1];this.transform.set.apply(this.transform,[2*k/g,0,0,-(2*b+g)*k/g,0,2*l/h,0,-(2*e+h)*l/h,0,0,2*d/c,-(2*f+c)*d/c,0,0,0,1]);this.inverse.set.apply(this.inverse,m);MathBox.Viewport.prototype.update.call(this,a)},validateRange:function(a){a=a||[];for(var b=0;3>b;++b){a[b]=a[b]||[];for(var c=0;2>c;++c)a[b][c]=void 0!==a[b][c]?a[b][c]:2*c-1}return a},validateScale:function(a){a=a||[];for(var b=0;3>
+MathBox.ViewportCartesian.prototype=_.extend(new MathBox.Viewport(null),{defaults:function(){return{type:"cartesian",range:[[-1,1],[-1,1],[-1,1]],scale:[1,1,1],rotation:[0,0,0],position:[0,0,0]}},to:function(a){this.transform.multiplyVector3(a)},from:function(a){this.inverse.multiplyVector3(a)},axis:function(a){var b=this.get().range[a];a=b[0];var c=b[1],b=Math.min(a,c);a=Math.max(a,c);return[b,a]},update:function(a){var b=this.get(),c=b.range,d=b.scale,b=c[0][0],e=c[1][0],f=c[2][0],h=c[0][1]-b,k=
+c[1][1]-e,c=c[2][1]-f,g=d[0],l=d[1],d=d[2],m=[h/(2*g),0,0,b+h/2,0,k/(2*l),0,e+k/2,0,0,c/(2*d),f+c/2,0,0,0,1];this.transform.set.apply(this.transform,[2*g/h,0,0,-(2*b+h)*g/h,0,2*l/k,0,-(2*e+k)*l/k,0,0,2*d/c,-(2*f+c)*d/c,0,0,0,1]);this.inverse.set.apply(this.inverse,m);MathBox.Viewport.prototype.update.call(this,a)},validateRange:function(a){a=a||[];for(var b=0;3>b;++b){a[b]=a[b]||[];for(var c=0;2>c;++c)a[b][c]=void 0!==a[b][c]?a[b][c]:2*c-1}return a},validateScale:function(a){a=a||[];for(var b=0;3>
 b;++b)a[b]=a[b]||1;return a}});MathBox.Attributes.mixin(MathBox.Viewport);MathBox.Viewport.types.cartesian=MathBox.ViewportCartesian;MathBox.ViewportPolar=function(a){var b=MathBox.ViewportCartesian;b.call(this,a);this.super=b.prototype;_.extend(this._uniforms,{polarAlpha:0,polarAspect:1,polarPower:1,polarFold:1,polarFocus:1,polarHelix:0})};
-MathBox.ViewportPolar.prototype=_.extend(new MathBox.ViewportCartesian(null),{defaults:function(){return{type:"polar",range:[[-1,1],[-1,1],[-1,1]],polar:1,fold:1,power:1,helix:0,scale:[1,1,1],rotation:[0,0,0],position:[0,0,0]}},to:function(a){var b=this._uniforms.polarAspect,c=this._uniforms.polarFocus,d=this._uniforms.polarAlpha,e=this._uniforms.polarPower,f=this._uniforms.polarHelix;a.x*=this._uniforms.polarFold;a.y=Math.sign(a.y)*Math.pow(Math.abs(a.y),e);if(1E-4<d){var e=c+a.y*b,g=a.x*d;a.z+=
-a.x*f*d;a.x=Math.sin(g)*e;a.y=(Math.cos(g)*e-c)/b}this.transform.multiplyVector3(a)},from:function(a){var b=this._uniforms.polarAspect,c=this._uniforms.polarFocus,d=this._uniforms.polarAlpha,e=this._uniforms.polarFold,f=this._uniforms.polarPower,g=this._uniforms.polarHelix;this.inverse.multiplyVector3(a);if(1E-4<d){var h=a.x,k=a.y*b+c,l=Math.sqrt(h*h+k*k);theta=Math.atan2(h,k);a.x=theta/d;a.y=(l-c)/b;a.z-=a.x*g*d}a.x/=e;a.y=Math.sign(a.y)*Math.pow(Math.abs(a.y),1/f)},axis:function(a){var b=this.super.axis.call(this,
-a);min=b[0];max=b[1];alpha=this._uniforms.polarAlpha;aspect=this._uniforms.polarAspect;focus=this._uniforms.polarFocus;1==a&&0<alpha&&(max=Math.max(Math.abs(max),Math.abs(min)),min=Math.max(-focus/aspect+0.001,min));return[min,max]},update:function(a){var b=this.get(),c=b.range,d=b.scale,e=b.polar,f=b.fold,g=b.power,b=b.helix,h=1,k=c[0][0],l=c[1][0],m=c[2][0],q=c[0][1]-k,u=c[1][1]-l,c=c[2][1]-m,t=d[0],s=d[1],d=d[2],h=0<q?1:-1,r=Math.abs(u),r=q+(r*h-q)*e,h=Math.abs(r/t/(u/s)),v=[r/(2*t),0,0,k+q/2,
-0,u/(2*s),0,l+u/2,0,0,c/(2*d),m+c/2,0,0,0,1];this.transform.set.apply(this.transform,[2*t/r,0,0,-(2*k+q)*t/q,0,2*s/u,0,-(2*l+u)*s/u,0,0,2*d/c,-(2*m+c)*d/c,0,0,0,1]);this.inverse.set.apply(this.inverse,v);this._uniforms.polarAlpha=e;this._uniforms.polarAspect=h;this._uniforms.polarFold=f;this._uniforms.polarPower=g;this._uniforms.polarFocus=0<e?1/e-1:0;this._uniforms.polarHelix=b;MathBox.Viewport.prototype.update.call(this,a)},shader:function(a){a.snippet("polarPower").snippet("cartesianToPolar").snippet("mathToWorld")},
+MathBox.ViewportPolar.prototype=_.extend(new MathBox.ViewportCartesian(null),{defaults:function(){return{type:"polar",range:[[-1,1],[-1,1],[-1,1]],polar:1,fold:1,power:1,helix:0,scale:[1,1,1],rotation:[0,0,0],position:[0,0,0]}},to:function(a){var b=this._uniforms.polarAspect,c=this._uniforms.polarFocus,d=this._uniforms.polarAlpha,e=this._uniforms.polarPower,f=this._uniforms.polarHelix;a.x*=this._uniforms.polarFold;a.y=Math.sign(a.y)*Math.pow(Math.abs(a.y),e);if(1E-4<d){var e=c+a.y*b,h=a.x*d;a.z+=
+a.x*f*d;a.x=Math.sin(h)*e;a.y=(Math.cos(h)*e-c)/b}this.transform.multiplyVector3(a)},from:function(a){var b=this._uniforms.polarAspect,c=this._uniforms.polarFocus,d=this._uniforms.polarAlpha,e=this._uniforms.polarFold,f=this._uniforms.polarPower,h=this._uniforms.polarHelix;this.inverse.multiplyVector3(a);if(1E-4<d){var k=a.x,g=a.y*b+c,l=Math.sqrt(k*k+g*g);theta=Math.atan2(k,g);a.x=theta/d;a.y=(l-c)/b;a.z-=a.x*h*d}a.x/=e;a.y=Math.sign(a.y)*Math.pow(Math.abs(a.y),1/f)},axis:function(a){var b=this.super.axis.call(this,
+a);min=b[0];max=b[1];alpha=this._uniforms.polarAlpha;aspect=this._uniforms.polarAspect;focus=this._uniforms.polarFocus;1==a&&0<alpha&&(max=Math.max(Math.abs(max),Math.abs(min)),min=Math.max(-focus/aspect+0.001,min));return[min,max]},update:function(a){var b=this.get(),c=b.range,d=b.scale,e=b.polar,f=b.fold,h=b.power,b=b.helix,k=1,g=c[0][0],l=c[1][0],m=c[2][0],q=c[0][1]-g,u=c[1][1]-l,c=c[2][1]-m,t=d[0],s=d[1],d=d[2],k=0<q?1:-1,r=Math.abs(u),r=q+(r*k-q)*e,k=Math.abs(r/t/(u/s)),v=[r/(2*t),0,0,g+q/2,
+0,u/(2*s),0,l+u/2,0,0,c/(2*d),m+c/2,0,0,0,1];this.transform.set.apply(this.transform,[2*t/r,0,0,-(2*g+q)*t/q,0,2*s/u,0,-(2*l+u)*s/u,0,0,2*d/c,-(2*m+c)*d/c,0,0,0,1]);this.inverse.set.apply(this.inverse,v);this._uniforms.polarAlpha=e;this._uniforms.polarAspect=k;this._uniforms.polarFold=f;this._uniforms.polarPower=h;this._uniforms.polarFocus=0<e?1/e-1:0;this._uniforms.polarHelix=b;MathBox.Viewport.prototype.update.call(this,a)},shader:function(a){a.snippet("polarPower").snippet("cartesianToPolar").snippet("mathToWorld")},
 validatePolar:function(a){return Math.max(0,Math.min(1,+a||0))},validateFold:function(a){return+a||0},validatePower:function(a){return+a||0},validateHelix:function(a){return+a||0}});MathBox.Attributes.mixin(MathBox.Viewport);MathBox.Viewport.types.polar=MathBox.ViewportPolar;MathBox.ViewportProjective=function(a){var b=MathBox.ViewportCartesian;b.call(this,a);this.super=b.prototype;_.extend(this._uniforms,{projectiveTransform:new THREE.Matrix4,projectiveInverse:new THREE.Matrix4})};
 MathBox.ViewportProjective.prototype=_.extend(new MathBox.ViewportCartesian(null),{defaults:function(){return{type:"projective",range:[[-1,1],[-1,1],[-1,1]],scale:[1,1,1],rotation:[0,0,0],position:[0,0,0],projective:[[1,0,0,0],[0,1,0,0],[0,0,1,0],[0,0,0,1]]}},to:function(a){this._uniforms.projectiveTransform.multiplyVector3(a);this.transform.multiplyVector3(a)},from:function(a){this.inverse.multiplyVector3(a);this._uniforms.projectiveInverse.multiplyVector3(a)},update:function(a){var b=this._uniforms.projectiveTransform,
 c=this.get("projective");b.set.apply(b,c[0].concat(c[1],c[2],c[3]));this._uniforms.projectiveInverse.getInverse(b);MathBox.ViewportCartesian.prototype.update.call(this,a)},shader:function(a){a.snippet("projectiveTransform").snippet("mathToWorld")},validateProjective:function(a){if(a.constructor==Array){for(var b=0;3>b;++b)a[b]=a[b]&&a.constructor==Array&&a[b]||[],a[b]=a[b].concat([0,0,0,0]).slice(0,4);return a}}});MathBox.Attributes.mixin(MathBox.Viewport);MathBox.Viewport.types.projective=MathBox.ViewportProjective;
 MathBox.ViewportSphere=function(a){var b=MathBox.ViewportCartesian;b.call(this,a);this.super=b.prototype;_.extend(this._uniforms,{sphereAlpha:0,sphereAspectX:1,sphereAspectY:1,sphereYScale:1,sphereFocus:1})};
-MathBox.ViewportSphere.prototype=_.extend(new MathBox.ViewportCartesian(null),{defaults:function(){return{type:"sphere",range:[[-1,1],[-1,1],[-1,1]],sphere:1,scale:[1,1,1],rotation:[0,0,0],position:[0,0,0]}},to:function(a){var b=this._uniforms.sphereAspectX,c=this._uniforms.sphereAspectY,d=this._uniforms.sphereYScale,e=this._uniforms.sphereFocus,f=this._uniforms.sphereAlpha;if(1E-4<f){var g=e+a.z*b,h=a.x*f,d=a.y*f/c*d,f=Math.cos(d)*g;a.x=Math.sin(h)*f;a.y=Math.sin(d)*g*c;a.z=(Math.cos(h)*f-e)/b}this.transform.multiplyVector3(a)},
-from:function(a){var b=this._uniforms.sphereAspectX,c=this._uniforms.sphereAspectY,d=this._uniforms.sphereYScale,e=this._uniforms.sphereFocus,f=this._uniforms.sphereAlpha;this.inverse.multiplyVector3(a);if(1E-4<f){var g=a.x,h=a.y/c,k=a.z*b+e,l=Math.sqrt(g*g+h*h+k*k),h=Math.atan2(h,Math.sqrt(g*g+k*k)),g=Math.atan2(g,k);a.x=g/f;a.y=h/f*c/d;a.z=(l-e)/b}},axis:function(a){var b=this.super.axis.call(this,a);min=b[0];max=b[1];alpha=this._uniforms.sphereAlpha;beta=this._uniforms.sphereBeta;aspectX=this._uniforms.sphereAspectX;
-aspectY=this._uniforms.sphereAspectY;focus=this._uniforms.sphereFocus;2==a&&0<alpha&&(max=Math.max(Math.abs(max),Math.abs(min)),min=Math.max(-focus/aspectX,min));return[min,max]},update:function(a){var b=this.get(),c=b.range,d=b.scale,b=b.sphere,e=0<b?1/b-1:0,f=c[0][0],g=c[1][0],h=c[2][0],k=c[0][1]-f,l=c[1][1]-g,c=c[2][1]-h,m=d[0],q=d[1],d=d[2],u=0<k?1:-1,t=0<l?1:-1,s=Math.abs(c),u=k+(s*u-k)*b,t=l+(s*t-l)*b,s=c/d;aspectX=u/m/s;aspectY=t/q/s/aspectX;aspectZ=l/k*m/q*2;yScale=Math.min(aspectY/b,1+(aspectZ-
-1)*b);s=[u/(2*m),0,0,f+k/2,0,t/(2*q),0,g+l/2,0,0,c/(2*d),h+c/2,0,0,0,1];this.transform.set.apply(this.transform,[2*m/u,0,0,-(2*f+k)*m/k,0,2*q/t,0,-(2*g+l)*q/l,0,0,2*d/c,-(2*h+c)*d/c,0,0,0,1]);this.inverse.set.apply(this.inverse,s);this._uniforms.sphereAlpha=b;this._uniforms.sphereAspectX=aspectX;this._uniforms.sphereAspectY=aspectY;this._uniforms.sphereYScale=yScale;this._uniforms.sphereFocus=e;MathBox.Viewport.prototype.update.call(this,a)},shader:function(a){a.snippet("cartesianToSphere").snippet("mathToWorld")},
+MathBox.ViewportSphere.prototype=_.extend(new MathBox.ViewportCartesian(null),{defaults:function(){return{type:"sphere",range:[[-1,1],[-1,1],[-1,1]],sphere:1,scale:[1,1,1],rotation:[0,0,0],position:[0,0,0]}},to:function(a){var b=this._uniforms.sphereAspectX,c=this._uniforms.sphereAspectY,d=this._uniforms.sphereYScale,e=this._uniforms.sphereFocus,f=this._uniforms.sphereAlpha;if(1E-4<f){var h=e+a.z*b,k=a.x*f,d=a.y*f/c*d,f=Math.cos(d)*h;a.x=Math.sin(k)*f;a.y=Math.sin(d)*h*c;a.z=(Math.cos(k)*f-e)/b}this.transform.multiplyVector3(a)},
+from:function(a){var b=this._uniforms.sphereAspectX,c=this._uniforms.sphereAspectY,d=this._uniforms.sphereYScale,e=this._uniforms.sphereFocus,f=this._uniforms.sphereAlpha;this.inverse.multiplyVector3(a);if(1E-4<f){var h=a.x,k=a.y/c,g=a.z*b+e,l=Math.sqrt(h*h+k*k+g*g),k=Math.atan2(k,Math.sqrt(h*h+g*g)),h=Math.atan2(h,g);a.x=h/f;a.y=k/f*c/d;a.z=(l-e)/b}},axis:function(a){var b=this.super.axis.call(this,a);min=b[0];max=b[1];alpha=this._uniforms.sphereAlpha;beta=this._uniforms.sphereBeta;aspectX=this._uniforms.sphereAspectX;
+aspectY=this._uniforms.sphereAspectY;focus=this._uniforms.sphereFocus;2==a&&0<alpha&&(max=Math.max(Math.abs(max),Math.abs(min)),min=Math.max(-focus/aspectX,min));return[min,max]},update:function(a){var b=this.get(),c=b.range,d=b.scale,b=b.sphere,e=0<b?1/b-1:0,f=c[0][0],h=c[1][0],k=c[2][0],g=c[0][1]-f,l=c[1][1]-h,c=c[2][1]-k,m=d[0],q=d[1],d=d[2],u=0<g?1:-1,t=0<l?1:-1,s=Math.abs(c),u=g+(s*u-g)*b,t=l+(s*t-l)*b,s=c/d;aspectX=u/m/s;aspectY=t/q/s/aspectX;aspectZ=l/g*m/q*2;yScale=Math.min(aspectY/b,1+(aspectZ-
+1)*b);s=[u/(2*m),0,0,f+g/2,0,t/(2*q),0,h+l/2,0,0,c/(2*d),k+c/2,0,0,0,1];this.transform.set.apply(this.transform,[2*m/u,0,0,-(2*f+g)*m/g,0,2*q/t,0,-(2*h+l)*q/l,0,0,2*d/c,-(2*k+c)*d/c,0,0,0,1]);this.inverse.set.apply(this.inverse,s);this._uniforms.sphereAlpha=b;this._uniforms.sphereAspectX=aspectX;this._uniforms.sphereAspectY=aspectY;this._uniforms.sphereYScale=yScale;this._uniforms.sphereFocus=e;MathBox.Viewport.prototype.update.call(this,a)},shader:function(a){a.snippet("cartesianToSphere").snippet("mathToWorld")},
 validateSphere:function(a){return Math.max(0,Math.min(1,+a||0))}});MathBox.Attributes.mixin(MathBox.Viewport);MathBox.Viewport.types.sphere=MathBox.ViewportSphere;

From 6c4e63ae6112edf699ea1c176357cc475a88511d Mon Sep 17 00:00:00 2001
From: ichuang <ichuang@mit.edu>
Date: Sat, 5 Apr 2014 16:27:47 -0400
Subject: [PATCH 8/9] allow Label objects to use "expression" functions for
 position

---
 src/primitives/Label.js | 18 ++++++++++++++----
 1 file changed, 14 insertions(+), 4 deletions(-)

diff --git a/src/primitives/Label.js b/src/primitives/Label.js
index f4fea05..37a7cef 100644
--- a/src/primitives/Label.js
+++ b/src/primitives/Label.js
@@ -12,9 +12,10 @@ MathBox.Label.prototype = _.extend(new MathBox.Primitive(null), {
 
   defaults: function () {
     return {
-      position: [0, 0, 0],
+      position: null,
       facing: 1,
       distance: 15,
+      expression: function () { return 0; },
       style: {
         color: new THREE.Color(0x707070),
       },
@@ -43,7 +44,11 @@ MathBox.Label.prototype = _.extend(new MathBox.Primitive(null), {
 
     var position = options.position;
     var labelPoint = this.labelPoint;
-    labelPoint.set.apply(labelPoint, position);
+    if (position){
+	labelPoint.set.apply(labelPoint, position);
+    }else{
+	labelPoint.set.apply(labelPoint, options.expression.call(this));
+    }
 
     this.labels.show(true);
   },
@@ -55,11 +60,16 @@ MathBox.Label.prototype = _.extend(new MathBox.Primitive(null), {
       distance = options.distance,
       class_name = options.class_name,
       style = this.style,
-    labelTangent = this.labelTangent = new THREE.Vector3(),
+      labelTangent = this.labelTangent = new THREE.Vector3(),
       labelPoint  = this.labelPoint = new THREE.Vector3();
 
     var labelOptions = { dynamic: true, distance: distance, class_name: class_name };
-    labelPoint.set.apply(labelPoint, position)
+    if (position){
+	labelPoint.set.apply(labelPoint, position);
+    }else{
+	labelPoint.set.apply(labelPoint, options.expression.call(this));
+    }
+    // labelPoint.set.apply(labelPoint, position);
     // label text callback
     var callback = function (i) {
       return text;

From baefa8df95ccdd21eabb97529f43ad543538d530 Mon Sep 17 00:00:00 2001
From: ichuang <ichuang@mit.edu>
Date: Sat, 5 Apr 2014 16:28:33 -0400
Subject: [PATCH 9/9] rebuild

---
 build/MathBox-bundle.js     |  18 ++++--
 build/MathBox-bundle.min.js |   4 +-
 build/MathBox-core.js       |  18 ++++--
 build/MathBox-core.min.js   | 106 ++++++++++++++++++------------------
 build/MathBox.js            |  18 ++++--
 build/MathBox.min.js        |   4 +-
 6 files changed, 99 insertions(+), 69 deletions(-)

diff --git a/build/MathBox-bundle.js b/build/MathBox-bundle.js
index d5534ae..b837808 100644
--- a/build/MathBox-bundle.js
+++ b/build/MathBox-bundle.js
@@ -46329,9 +46329,10 @@ MathBox.Label.prototype = _.extend(new MathBox.Primitive(null), {
 
   defaults: function () {
     return {
-      position: [0, 0, 0],
+      position: null,
       facing: 1,
       distance: 15,
+      expression: function () { return 0; },
       style: {
         color: new THREE.Color(0x707070),
       },
@@ -46360,7 +46361,11 @@ MathBox.Label.prototype = _.extend(new MathBox.Primitive(null), {
 
     var position = options.position;
     var labelPoint = this.labelPoint;
-    labelPoint.set.apply(labelPoint, position);
+    if (position){
+	labelPoint.set.apply(labelPoint, position);
+    }else{
+	labelPoint.set.apply(labelPoint, options.expression.call(this));
+    }
 
     this.labels.show(true);
   },
@@ -46372,11 +46377,16 @@ MathBox.Label.prototype = _.extend(new MathBox.Primitive(null), {
       distance = options.distance,
       class_name = options.class_name,
       style = this.style,
-    labelTangent = this.labelTangent = new THREE.Vector3(),
+      labelTangent = this.labelTangent = new THREE.Vector3(),
       labelPoint  = this.labelPoint = new THREE.Vector3();
 
     var labelOptions = { dynamic: true, distance: distance, class_name: class_name };
-    labelPoint.set.apply(labelPoint, position)
+    if (position){
+	labelPoint.set.apply(labelPoint, position);
+    }else{
+	labelPoint.set.apply(labelPoint, options.expression.call(this));
+    }
+    // labelPoint.set.apply(labelPoint, position);
     // label text callback
     var callback = function (i) {
       return text;
diff --git a/build/MathBox-bundle.min.js b/build/MathBox-bundle.min.js
index a9ed2f3..f028c44 100644
--- a/build/MathBox-bundle.min.js
+++ b/build/MathBox-bundle.min.js
@@ -1275,8 +1275,8 @@ q)/(g[0]-1),v=(c[1][1]-s)/(g[1]-1),u=0;_.loop(g[1],function(b){q=c[0][0];_.loop(
 this.points.set(k)}});MathBox.Primitive.types.bezierSurface=MathBox.BezierSurface;MathBox.Platonic=function(a){null!==a&&MathBox.Primitive.call(this,a)};
 MathBox.Platonic.prototype=_.extend(new MathBox.Primitive(null),{defaults:function(){return{n:1,type:"cube",points:!1,line:!1,mesh:!0,doubleSided:!0,flipSided:!1,shaded:!0,style:{}}},type:function(){return"platonic"},renderables:function(){return[this.mesh,this.line,this.points]},adjust:function(a){a=this.get();this.mesh.show(a.mesh);this.line.show(a.line);this.points.show(a.points)},make:function(){var a=this.get(),b=this.style,c;switch(a.type){case "cube":c=new THREE.CubeGeometry(2,2,2,1,1,1)}this.mesh=
 new MathBox.Renderable.Mesh(c,{type:"mesh",doubleSided:a.doubleSided,flipSided:a.flipSided,shaded:a.shaded,smooth:!1,dynamic:a.live},b);this.line=new MathBox.Renderable.Mesh(c,{type:"mesh",shaded:a.shaded,smooth:!1,dynamic:a.live,wireframe:!0},b);this.points=new MathBox.Renderable.Mesh(c.vertices,{type:"points",dynamic:a.live},b)}});MathBox.Primitive.types.platonic=MathBox.Platonic;MathBox.Label=function(a){null!==a&&MathBox.Primitive.call(this,a)};
-MathBox.Label.prototype=_.extend(new MathBox.Primitive(null),{defaults:function(){return{position:[0,0,0],facing:1,distance:15,style:{color:new THREE.Color(7368816)},class_name:"mathbox-labels",text:""}},renderables:function(){return[this.labels]},type:function(){return"label"},adjust:function(a,b){var c=this.get(),d=[0,0,0];d[c.facing]=1;var e=this.labelTangent;e.set.apply(e,d);d=this.labelPoint;d.set.apply(d,c.position);this.labels.show(!0)},make:function(){var a=this.get(),b=a.position,c=a.text,
-d=a.distance,e=a.class_name,a=this.style,f=this.labelTangent=new THREE.Vector3,g=this.labelPoint=new THREE.Vector3,d={dynamic:!0,distance:d,class_name:e};g.set.apply(g,b);b=function(a){return c}.bind(this);this.labels=new MathBox.Renderable.Labels([g],f,b,d,a)}});MathBox.Label.validateArgs=function(a){return a};MathBox.Primitive.types.label=MathBox.Label;
+MathBox.Label.prototype=_.extend(new MathBox.Primitive(null),{defaults:function(){return{position:null,facing:1,distance:15,expression:function(){return 0},style:{color:new THREE.Color(7368816)},class_name:"mathbox-labels",text:""}},renderables:function(){return[this.labels]},type:function(){return"label"},adjust:function(a,b){var c=this.get(),d=[0,0,0];d[c.facing]=1;var e=this.labelTangent;e.set.apply(e,d);d=c.position;e=this.labelPoint;d?e.set.apply(e,d):e.set.apply(e,c.expression.call(this));this.labels.show(!0)},
+make:function(){var a=this.get(),b=a.position,c=a.text,d=a.distance,e=a.class_name,f=this.style,g=this.labelTangent=new THREE.Vector3,h=this.labelPoint=new THREE.Vector3,d={dynamic:!0,distance:d,class_name:e};b?h.set.apply(h,b):h.set.apply(h,a.expression.call(this));a=function(a){return c}.bind(this);this.labels=new MathBox.Renderable.Labels([h],g,a,d,f)}});MathBox.Label.validateArgs=function(a){return a};MathBox.Primitive.types.label=MathBox.Label;
 MathBox.Renderable=function(a,b){if(null!==a){this.id=++MathBox.Renderable.id;var c=this.defaults();a&&(a=_.extend(c,a||{}));this.set(a||c);this.geometry=this.material=this.object=null;this.visible=!0;this.style=b||new MathBox.Style;this.style.on("change",this.styleCallback=this.refreshStyle.bind(this));this.on("change",this.uniformsCallback=this.refreshOptions.bind(this));this.mathTransform=new THREE.Matrix4}};MathBox.Renderable.id=0;
 MathBox.Renderable.prototype={defaults:function(){return{}},make:function(a){},destroy:function(){},show:function(a){a=void 0===a?!0:!!a;a!=this.visible&&(this.visible=a,this.refresh())},isVisible:function(){return this.object&&this.object.visible},composeTransform:function(a,b,c){var d=THREE.Matrix4.__m1,e=THREE.Matrix4.__m2;d.identity();d.setRotationFromEuler(b,this.object.eulerOrder);e.makeScale(c.x,c.y,c.z);this.mathTransform.multiply(d,e);b=this.mathTransform.elements;b[12]=a.x;b[13]=a.y;b[14]=
 a.z},refreshStyle:function(a){var b=this.style.get();a=a||b;this.material&&this.material.applyUniforms(a);if(this.object){this.object.frustumCulled=!1;a.worldPosition&&(this.object.position=b.worldPosition);a.worldRotation&&(this.object.rotation=b.worldRotation);a.worldScale&&(this.object.scale=b.worldScale);if(a.mathPosition||a.mathRotation||a.mathScale)this.composeTransform(b.mathPosition,b.mathRotation,b.mathScale),this.material&&this.material.applyUniforms({mathTransform:this.mathTransform});
diff --git a/build/MathBox-core.js b/build/MathBox-core.js
index 8d217d9..3bab7b8 100644
--- a/build/MathBox-core.js
+++ b/build/MathBox-core.js
@@ -3655,9 +3655,10 @@ MathBox.Label.prototype = _.extend(new MathBox.Primitive(null), {
 
   defaults: function () {
     return {
-      position: [0, 0, 0],
+      position: null,
       facing: 1,
       distance: 15,
+      expression: function () { return 0; },
       style: {
         color: new THREE.Color(0x707070),
       },
@@ -3686,7 +3687,11 @@ MathBox.Label.prototype = _.extend(new MathBox.Primitive(null), {
 
     var position = options.position;
     var labelPoint = this.labelPoint;
-    labelPoint.set.apply(labelPoint, position);
+    if (position){
+	labelPoint.set.apply(labelPoint, position);
+    }else{
+	labelPoint.set.apply(labelPoint, options.expression.call(this));
+    }
 
     this.labels.show(true);
   },
@@ -3698,11 +3703,16 @@ MathBox.Label.prototype = _.extend(new MathBox.Primitive(null), {
       distance = options.distance,
       class_name = options.class_name,
       style = this.style,
-    labelTangent = this.labelTangent = new THREE.Vector3(),
+      labelTangent = this.labelTangent = new THREE.Vector3(),
       labelPoint  = this.labelPoint = new THREE.Vector3();
 
     var labelOptions = { dynamic: true, distance: distance, class_name: class_name };
-    labelPoint.set.apply(labelPoint, position)
+    if (position){
+	labelPoint.set.apply(labelPoint, position);
+    }else{
+	labelPoint.set.apply(labelPoint, options.expression.call(this));
+    }
+    // labelPoint.set.apply(labelPoint, position);
     // label text callback
     var callback = function (i) {
       return text;
diff --git a/build/MathBox-core.min.js b/build/MathBox-core.min.js
index 9f0af85..ca5b44a 100644
--- a/build/MathBox-core.min.js
+++ b/build/MathBox-core.min.js
@@ -1,15 +1,15 @@
 var \u03c0=Math.PI,\u03c4=2*\u03c0;(function(a){for(var b in a)if(!window[b])throw"Error: MathBox requires "+a[b];})({THREE:"Three.js",tQuery:"tQuery.js (bundle)",ThreeBox:"ThreeBox.js",ThreeRTT:"ThreeRTT.js"});window.MathBox={};window.mathBox=function(a,b){!a||a instanceof Node||(b=a,a=null);return tQuery.createWorld(b).mathBox(a,b)};MathBox.getShader=function(a){var b=document.getElementById(a);return b&&b.textContent||a};Math.sign=function(a){return 0<a?1:0>a?-1:0};MathBox.Attributes=function(){};
-MathBox.Attributes.prototype={get:function(a){return void 0===a?this.__attributes||{}:this.__attributes?this.__attributes[a]:void 0},set:function(a,b){function c(a,b){try{b=k(a,b),e[a]=b,g[a]=b}catch(c){throw"Exception setting '"+a+"' to '"+b+"': "+c;}}this.__attributes||(this.__attributes={});this.__validators||(this.__validators={});var e={},d=this.__validators,g=this.__attributes,h=this,k=function(a,b){if(void 0===d[a]){var c="validate"+a.charAt(0).toUpperCase()+a.slice(1);d[a]=h[c]||!1}return d[a]?
+MathBox.Attributes.prototype={get:function(a){return void 0===a?this.__attributes||{}:this.__attributes?this.__attributes[a]:void 0},set:function(a,b){function c(a,b){try{b=h(a,b),e[a]=b,g[a]=b}catch(c){throw"Exception setting '"+a+"' to '"+b+"': "+c;}}this.__attributes||(this.__attributes={});this.__validators||(this.__validators={});var e={},d=this.__validators,g=this.__attributes,k=this,h=function(a,b){if(void 0===d[a]){var c="validate"+a.charAt(0).toUpperCase()+a.slice(1);d[a]=k[c]||!1}return d[a]?
 d[a].call(this,b):b}.bind(this);void 0!==a&&null!==a&&(a.constructor==String?c(a,b):_.each(a,function(a,b){c(b,a)}),this.emit("change",e))}};MicroEvent.mixin(MathBox.Attributes);MathBox.Attributes.mixin=function(a){_.each(["get","set","on","emit"],function(b){a.prototype[b]=MathBox.Attributes.prototype[b]})};MathBox.Animator=function(){this.active=[]};MathBox.Animator.now=1;
 MathBox.Animator.prototype={finalState:function(a){var b=_.extend({},a.get());a.__queue&&_.each(a.__queue,function(a,e){_.each(a,function(a){a.to&&(b[e]=a.to)})});return b},attach:function(a){if(!a.__queue){if(!a.__attributes)throw"Cannot attach to object without attributes";var b=this,c=a.set;a.set=function(a,d,g){if(!g){g=a;if(void 0===a||null===a)return;a.constructor==String&&(g={},g[a]=d);b.stop(this,g)}c.call(this,a,d)};a.__queue={};a.__animations=0}},hurry:function(a,b,c){c=c||4;_.each(b||a.__queue,
-function(b,d){_.each(a.__queue[d],function(a){a.hurry(c)})}.bind(this))},stop:function(a,b){_.each(b||a.__queue,function(b,e){for(;a.__queue[e];)this.dequeue(a,e,!0)}.bind(this))},animate:function(a,b,c){c=_.extend({duration:300},c||{});this.attach(a);_.each(b,function(b,d){var g=a.__queue[d]=a.__queue[d]||[];if(c.delay){var h=new MathBox.Animator.Delay(a,d,c.delay);g.push(h);0==a.__animations++&&this.active.push(a)}a.__validators[d]&&(b=a.__validators[d].call(a,b));h=new MathBox.Animator.Animation(a,
-d,b,c.duration,c.callback,c.ease);g.push(h);c.hold&&(h=new MathBox.Animator.Delay(a,d,c.hold),g.push(h),0==a.__animations++&&this.active.push(a));0==a.__animations++&&this.active.push(a)}.bind(this))},dequeue:function(a,b,c){var e=a.__queue[b];if(e){var d=e.shift();0==e.length&&delete a.__queue[b];c&&d.skip();0==--a.__animations&&this.active.splice(this.active.indexOf(a),1)}},update:function(a){MathBox.Animator.now+=a;a=this.active.slice();_.each(a,function(a){var c=0;_.each(a.__queue,function d(g,
-h){var k=g[0];value=k.apply(c||0);k.done()&&(c=k.extra(),this.dequeue(a,h),g[0]&&d.call(this,g,h))}.bind(this))}.bind(this))}};MathBox.Animator.Delay=function(a,b,c){this.object=a;this.key=b;this.duration=c;this.fraction=this.start=0};
+function(b,d){_.each(a.__queue[d],function(a){a.hurry(c)})}.bind(this))},stop:function(a,b){_.each(b||a.__queue,function(b,e){for(;a.__queue[e];)this.dequeue(a,e,!0)}.bind(this))},animate:function(a,b,c){c=_.extend({duration:300},c||{});this.attach(a);_.each(b,function(b,d){var g=a.__queue[d]=a.__queue[d]||[];if(c.delay){var k=new MathBox.Animator.Delay(a,d,c.delay);g.push(k);0==a.__animations++&&this.active.push(a)}a.__validators[d]&&(b=a.__validators[d].call(a,b));k=new MathBox.Animator.Animation(a,
+d,b,c.duration,c.callback,c.ease);g.push(k);c.hold&&(k=new MathBox.Animator.Delay(a,d,c.hold),g.push(k),0==a.__animations++&&this.active.push(a));0==a.__animations++&&this.active.push(a)}.bind(this))},dequeue:function(a,b,c){var e=a.__queue[b];if(e){var d=e.shift();0==e.length&&delete a.__queue[b];c&&d.skip();0==--a.__animations&&this.active.splice(this.active.indexOf(a),1)}},update:function(a){MathBox.Animator.now+=a;a=this.active.slice();_.each(a,function(a){var c=0;_.each(a.__queue,function d(g,
+k){var h=g[0];value=h.apply(c||0);h.done()&&(c=h.extra(),this.dequeue(a,k),g[0]&&d.call(this,g,k))}.bind(this))}.bind(this))}};MathBox.Animator.Delay=function(a,b,c){this.object=a;this.key=b;this.duration=c;this.fraction=this.start=0};
 MathBox.Animator.Delay.prototype={init:function(a){this.start=MathBox.Animator.now-(a||0)},apply:function(a){this.start||this.init(a);this.fraction=0<this.duration?Math.min(1,(MathBox.Animator.now-this.start)/this.duration):1},skip:function(){this.duration=0},hurry:function(a){this.duration=this.duration*this.fraction+this.duration*(1-this.fraction)/a},extra:function(){return MathBox.Animator.now-this.start-this.duration},done:function(){return 1==this.fraction}};
 MathBox.Animator.Animation=function(a,b,c,e,d,g){this.object=a;this.key=b;this.from=null;this.to=c;this.duration=e;this.fraction=this.start=0;this.callback=d;this.ease=g};
 MathBox.Animator.Animation.prototype={init:function(a){this.start=MathBox.Animator.now-(a||0);null===this.from&&(this.from=this.object.get(this.key));void 0===this.from&&(this.from=0)},apply:function(a){function b(a,b){return a+(b-a)*f}function c(a,d){void 0===d&&(d=a);void 0===a&&(a=d);if(d===a)return a;if(typeof a!=typeof d)throw console.log(e,g),"Data type mismatch between from/to values in animator. "+g+": "+a+" ("+a.constructor+"), "+d+"("+d.constructor+")";var f;switch(typeof d){default:case "string":throw"Unimplemented value type in animator. ("+
-typeof d+")";case "function":return function(){return c(a.apply(this,arguments),d.apply(this,arguments))};case "boolean":return 0.5<k?d:a;case "number":return b(a,d);case "object":if(!a)return d;if(!d)return a;if(d.constructor==Array)return f=[],_.loop(a.length,function(b){f[b]=c(a[b],d[b])}),f;if(d.constructor==THREE.Matrix4){f=new THREE.Matrix4;for(var h=0;16>h;++h)f.elements[h]=b(a.elements[h],d.elements[h]);return f}return d.constructor==THREE.Vector3?(f=new THREE.Vector3,f.x=b(a.x,d.x),f.y=b(a.y,
-d.y),f.z=b(a.z,d.z),f):d.constructor==THREE.Color?(f=new THREE.Color,f.r=b(a.r,d.r),f.g=b(a.g,d.g),f.b=b(a.b,d.b),f):0.5<k?d:a}}this.start||this.init(a);var e=this.object;a=this.from;var d=this.to,g=this.key,h=this.ease,k;this.fraction=k=0<this.duration?Math.min(1,(MathBox.Animator.now-this.start)/(this.duration||1)):1;var f;switch(h){case "in":f=1-(1-k)*(1-k);break;case "out":f=k*k;break;case "linear":f=k;break;default:f=0.5-0.5*Math.cos(k*\u03c0)}a=c(a,d);this.object.set(this.key,a,!0)},hurry:function(a){this.duration=
+typeof d+")";case "function":return function(){return c(a.apply(this,arguments),d.apply(this,arguments))};case "boolean":return 0.5<h?d:a;case "number":return b(a,d);case "object":if(!a)return d;if(!d)return a;if(d.constructor==Array)return f=[],_.loop(a.length,function(b){f[b]=c(a[b],d[b])}),f;if(d.constructor==THREE.Matrix4){f=new THREE.Matrix4;for(var k=0;16>k;++k)f.elements[k]=b(a.elements[k],d.elements[k]);return f}return d.constructor==THREE.Vector3?(f=new THREE.Vector3,f.x=b(a.x,d.x),f.y=b(a.y,
+d.y),f.z=b(a.z,d.z),f):d.constructor==THREE.Color?(f=new THREE.Color,f.r=b(a.r,d.r),f.g=b(a.g,d.g),f.b=b(a.b,d.b),f):0.5<h?d:a}}this.start||this.init(a);var e=this.object;a=this.from;var d=this.to,g=this.key,k=this.ease,h;this.fraction=h=0<this.duration?Math.min(1,(MathBox.Animator.now-this.start)/(this.duration||1)):1;var f;switch(k){case "in":f=1-(1-h)*(1-h);break;case "out":f=h*h;break;case "linear":f=h;break;default:f=0.5-0.5*Math.cos(h*\u03c0)}a=c(a,d);this.object.set(this.key,a,!0)},hurry:function(a){this.duration=
 this.duration*this.fraction+this.duration*(1-this.fraction)/a},skip:function(){this.duration=0;this.fraction=1;this.done()},extra:function(){return MathBox.Animator.now-this.start-this.duration},done:function(){return 1==this.fraction?(this.object.set(this.key,this.to,!0),this.callback&&this.callback(),this.callback=null,!0):!1}};
 MathBox.Stage=function(a,b,c){this.options=a=a||{};this._world=b;this.overlay=c;b&&b.on("resize",function(a,b){this.overlay.size(a,b);this.width=a;this.height=b}.bind(this));this.primitives=[];this.materials=new MathBox.Materials(this);this.animator=new MathBox.Animator;this._transition=0;this._speed=1;b&&(this.cameraProxy=new MathBox.CameraProxy(b,this.options));this.viewport({});this.loadPrimitives();void 0!==a.transition&&this.transition(a.transition);void 0!==a.speed&&this.speed(a.speed)};
 MathBox.Stage.prototype=new THREE.Object3D;MathBox.Attributes.mixin(MathBox.Stage);MicroEvent.mixin(MathBox.Stage);
@@ -17,10 +17,10 @@ MathBox.Stage.prototype=_.extend(MathBox.Stage.prototype,{update:function(){var
 b){if(a instanceof THREE.Object3D)return a instanceof MathBox.Sprite?this.overlay.add(a):THREE.Object3D.prototype.add.call(this,a);this._add(a);b=this.animateOptions(b);var c=a.style.get("opacity");b&&0<c&&(a.style.set("opacity",0),this.animator.animate(a.style,{opacity:c},b));return this},remove:function(a,b){if(a instanceof THREE.Object3D)return a instanceof MathBox.Sprite?this.overlay.remove(a):THREE.Object3D.prototype.remove.call(this,a);if("string"==typeof a)return _.each(this.select(a),function(a){this.remove(a,
 b)}.bind(this));if(!a.singleton){var c=function(){this._remove(a)}.bind(this);b=this.animateOptions(b);var e=a.style.get("opacity");b&&0<e?(b.callback=c,this.animator.animate(a.style,{opacity:0},b),a.removed=!0):c();return this}},_add:function(a){var b=this.materials;-1==this.primitives.indexOf(a)&&(this.primitives.push(a),a.make(),a=a.renderables(),_.each(a,function(a){a.make(b);a.object&&this.add(a.object)}.bind(this)))},_remove:function(a){if(-1!=this.primitives.indexOf(a)){this.primitives.splice(this.primitives.indexOf(a),
 1);var b=a.renderables();_.each(b,function(a){a.object&&this.remove(a.object);a.destroy()}.bind(this));a.destroy()}},select:function(a,b){var c=[];if("object"==typeof a)return a.constructor==Array?a:[a];var e=function(a){var c=[];if("*"==a)return c=this.primitives.slice(),c.push(this.viewport()),c.push(this.cameraProxy),c;if(a==+a)return _.each(this.primitives,function(e){!b&&e.removed||e.get("sequence")!=a||c.push(e)}),c;var e=a.match(/^\s*#([a-zA-Z0-9_-]+)|([a-zA-Z0-9_-]+)?\s*$/);if(!e)return[];
-var k=e[2],f=e[1];if(f)_.each(this.primitives,function(a){!b&&a.removed||a.get("id")!=f||c.push(a)});else{if("camera"==k)return this.cameraProxy&&[this.cameraProxy]||[];if("viewport"==k)return[this.viewport()];k&&_.each(this.primitives,function(a){!b&&a.removed||a.type()!=k||c.push(a)})}return c}.bind(this),c=[];a=(""+a).split(",");_.each(a,function(a){c=c.concat(e(a))});return c},set:function(a,b){b=this.extractStyle(b);_.each(this.select(a),function(a){a.set(b);b.style&&a.style.set(b.style)});return this},
+var h=e[2],f=e[1];if(f)_.each(this.primitives,function(a){!b&&a.removed||a.get("id")!=f||c.push(a)});else{if("camera"==h)return this.cameraProxy&&[this.cameraProxy]||[];if("viewport"==h)return[this.viewport()];h&&_.each(this.primitives,function(a){!b&&a.removed||a.type()!=h||c.push(a)})}return c}.bind(this),c=[];a=(""+a).split(",");_.each(a,function(a){c=c.concat(e(a))});return c},set:function(a,b){b=this.extractStyle(b);_.each(this.select(a),function(a){a.set(b);b.style&&a.style.set(b.style)});return this},
 get:function(a){var b=this.animator;a=this.select(a);if(1>a.length)return{};var c=a[0];a=b.finalState(c);c.style&&(b=b.finalState(c.style),a.style=b);return a},transition:function(a){return void 0!==a?(this._transition=a,this):this._transition},speed:function(a){return void 0!==a?(this._speed=a,this):this._speed},animateOptions:function(a,b){var c=this._transition;!0===a&&(a={});if(c||b||a&&(a.delay||a.duration||a.hold))a=_.extend({delay:0,duration:c||0,hold:0},a||{});if(a&&(a.delay||a.duration||
-a.hold))return a},animate:function(a,b,c){var e=this.animator;b=this.extractStyle(b);c=this.animateOptions(c,!0);b.style&&(_.each(this.select(a),function(a){c?e.animate(a.style,b.style,c):a.style.set(b.style)}),b=_.extend({},b),delete b.style);_.each(this.select(a),function(a){c?e.animate(a,b,c):a.set(b)});return this},clone:function(a,b,c){_.each(this.select(a),function(a){var d=this.get(a);delete d.sequence;var g=_.extend({},b),h=[];_.each(b,function(a,c){if("id"==c||"boolean"==typeof a||null===
-a)d[c]=b[c],h.push(c)});_.each(h,function(a){delete g[a]});d.id==a.get("id")&&(d.id=(d.id||"")+"-clone");a=this.spawn(a.type(),d,{duration:0});this.animate(a,g,c)}.bind(this));return this},hurry:function(a,b,c){var e=this.animator;_.each(this.select(a,!0),function(a){e.hurry(a,b,c);a.style&&e.hurry(a.style,b,c)});return this},halt:function(a,b){var c=this.animator;_.each(this.select(a,!0),function(a){c.stop(a,b);a.style&&c.stop(a.style,b)});return this},viewport:function(a){if(void 0!==a){if(!this._viewport||
+a.hold))return a},animate:function(a,b,c){var e=this.animator;b=this.extractStyle(b);c=this.animateOptions(c,!0);b.style&&(_.each(this.select(a),function(a){c?e.animate(a.style,b.style,c):a.style.set(b.style)}),b=_.extend({},b),delete b.style);_.each(this.select(a),function(a){c?e.animate(a,b,c):a.set(b)});return this},clone:function(a,b,c){_.each(this.select(a),function(a){var d=this.get(a);delete d.sequence;var g=_.extend({},b),k=[];_.each(b,function(a,c){if("id"==c||"boolean"==typeof a||null===
+a)d[c]=b[c],k.push(c)});_.each(k,function(a){delete g[a]});d.id==a.get("id")&&(d.id=(d.id||"")+"-clone");a=this.spawn(a.type(),d,{duration:0});this.animate(a,g,c)}.bind(this));return this},hurry:function(a,b,c){var e=this.animator;_.each(this.select(a,!0),function(a){e.hurry(a,b,c);a.style&&e.hurry(a.style,b,c)});return this},halt:function(a,b){var c=this.animator;_.each(this.select(a,!0),function(a){c.stop(a,b);a.style&&c.stop(a.style,b)});return this},viewport:function(a){if(void 0!==a){if(!this._viewport||
 a.type&&a.type!=this.options.viewport.type){this._viewport&&(a=_.extend({},this._viewport.get(),a));this._viewport=MathBox.Viewport.make(a);a=this.primitives.slice();var b=this;_.each(a,function(a){b._remove(a);b._add(a)})}else this._viewport.set(a);this.options.viewport=this._viewport.get();return this}return this._viewport},camera:function(a){_.each(this.select("camera"),function(b){b.set(a)});return this},start:function(){this._world&&this._world.start();return this},stop:function(){this._world&&
 this._world.stop();return this},world:function(){return this._world},extractStyle:function(a){var b=MathBox.Style.prototype.defaults(),c=null;_.each(a,function(e,d){void 0!==b[d]&&(delete a[d],c=c||{},c[d]=e)});c&&(a.style=_.extend(a.style||{},c));return a},spawn:function(a,b,c){return MathBox.Primitive.types[a]?(this[a](b,c),this.primitives[this.primitives.length-1]):this},loadPrimitives:function(){_.each(MathBox.Primitive.types,function(a,b){this[b]=function(b,e){a.validateArgs&&(b=a.validateArgs(b));
 var d=new a(this.extractStyle(b));this.add(d,e);return this}}.bind(this))}});MathBox.Materials=function(a){this.stage=a;this.cache={}};
@@ -29,14 +29,14 @@ _.each(a.attributes,function(a,e){b.attributes[e]={type:a.type,value:a.value}});
 a);return a},position:function(a,b){b=b||{};a.snippet(b.shaded&&b.smooth?"getPositionDUDV":"getPosition");b.absolute||(b.shaded&&b.smooth?a.group().snippet("mathTransform").next().snippet("mathTransform").next().snippet("mathTransform").combine():a.snippet("mathTransform"));return a},factory:function(){return new ShaderGraph.Factory},finalize:function(a,b){b=b||{};var c=b.shaders||{};b.shaded?b.smooth?a.snippet("projectToViewDUDV"):a.snippet("projectToViewNormal"):a.snippet("projectToView");c.material?
 c.material(a,this):a.material("vertexOutput",{points:"fragmentSolidPoint",mesh:b.shaded?"fragmentShaded":"fragmentSolid"}[b.type]||"fragmentSolid");c=a.end().compile();c=new THREE.ShaderMaterial({uniforms:c.uniforms,attributes:c.attributes,vertexShader:c.vertexShader,fragmentShader:c.fragmentShader});b.wireframe&&(c.wireframe=!0);var e=this.apply.bind(this);c.applyUniforms=function(a){e(this,a,"uniforms")};c.applyAttributes=function(a){e(this,a,"attributes")};return c},apply:function(a,b,c){var e=
 a[c];_.each(b,function(a,b){var c=e[b];c&&(a instanceof THREE.Color&&(a.x=a.r,a.y=a.g,a.z=a.b),c.value=a,c.needsUpdate=!0)});if("uniforms"==c){c=a.uniforms;if(b.map&&(c.texture&&(c.texture.value=b.map),c.offsetRepeat)){var d=b.map.offset,g=b.map.repeat;c.offsetRepeat.value.set(d.x,d.y,g.x,g.y)}void 0!==b.lineWidth&&(a.wireframeLinewidth=a.linewidth=b.lineWidth);void 0!==b.opacity&&(a.transparent=1>b.opacity)}},viewport:function(a,b){this.stage.viewport().shader(a,b)}};
-MathBox.Ticks=function(a,b,c,e,d,g,h){var k=(b-a)/(c||10);e=e||1;d=d||10;var f=e*((h||0)+Math.pow(d,Math.floor(Math.log(k/e)/Math.log(d))));c=_.map(0==d%2?[d/2,1,0.5]:[1],function(a){return f*a});var l=_.reduce(c,function(a,b){return Math.abs(b-k)<Math.abs(a-k)?b:a},f);g=+!g;a=(Math.ceil(a/l)+g)*l;b=(Math.floor(b/l)-g)*l;c=Math.ceil((b-a)/l)+1;var m=[];_.loop(c,function(b){m.push(a+b*l)});return m};MathBox.TicksLog=function(a,b,c,e,d,g){};
+MathBox.Ticks=function(a,b,c,e,d,g,k){var h=(b-a)/(c||10);e=e||1;d=d||10;var f=e*((k||0)+Math.pow(d,Math.floor(Math.log(h/e)/Math.log(d))));c=_.map(0==d%2?[d/2,1,0.5]:[1],function(a){return f*a});var l=_.reduce(c,function(a,b){return Math.abs(b-h)<Math.abs(a-h)?b:a},f);g=+!g;a=(Math.ceil(a/l)+g)*l;b=(Math.floor(b/l)-g)*l;c=Math.ceil((b-a)/l)+1;var m=[];_.loop(c,function(b){m.push(a+b*l)});return m};MathBox.TicksLog=function(a,b,c,e,d,g){};
 tQuery.World.registerInstance("mathBox",function(a,b){a=a||document.body;this.threeBox(a,b);var c=new MathBox.Overlay;a.appendChild(c.domElement);c.domElement.style.position="absolute";c.domElement.style.left=0;c.domElement.style.top=0;c.domElement.style.right=0;c.domElement.style.bottom=0;var e=new MathBox.Stage(b,this,c),d=function(){e.update()};this.tScene().add(e);this._renderer.setClearColorHex(16777215,1);e.unhook=function(){this.loop().unhookPreRender(d)};this.loop().hookPreRender(d);b.cameraControls||
 (c=this.tCamera(),c.position.x=0,c.position.y=0,c.position.z=b.orbit,c.lookAt(new THREE.Vector3(0,0,0)));return e});MathBox.Director=function(a,b){this._stage=a;this.script=b||[];this.rollback={};this.clocks={};this.time=this.lastCommand=this.step=0;this.lastTime=+new Date};
-MathBox.Director.prototype={clock:function(a,b){if(a>this.step)return 0;var c=+new Date;this.time+=(c-this.lastTime)*this.stage().speed();this.lastTime=c;if(b||!this.clocks[a])this.clocks[a]=this.time;return 0.001*(this.time-this.clocks[a])},invert:function(a){var b=this._stage,c=[],e,d=a[0],g=a[1],h=a[2]||{},k=a[3];"remove"==d&&(k=h);k={delay:k&&void 0!==k.hold?k.hold/4:0,duration:k&&void 0!==k.duration?k.duration/4:0,hold:k&&void 0!==k.delay?k.delay/4:0};switch(d){case "add":e=[0];case "clone":e=
-e||b.select(g);_.each(e,function(a,b){c.push(["remove",h.sequence||MathBox.Primitive.sequence+1+b,k])});break;case "remove":e=b.select(g);_.each(e,function(a){c.push(["add",a.type(),b.get(a),k])});break;case "animate":case "set":e=b.select(g),_.each(e,function(a){var e=b.get(a),g={};for(i in h)g[i]=e.style&&void 0!==e.style[i]?e.style[i]:e[i];c.push([d,a.singleton||a.get("sequence"),g,k])})}return c},invertDelay:function(a){function b(a){var b=a[2]||{},c=["opacity"];if("animate"==a[0])for(e in c=
-[],b)if("style"==e)for(j in b.style)c.push(j);else c.push(e);return c}var c=[],e,d={};a.forEach(function(a){var c=a[0],e=a[1]||"",g=a[2]||{},h=a[3]||{};if("set"==c)return null;"add"==c&&(e=g.sequence);"remove"==c&&(h=g);b(a).forEach(function(a){a=[e,a].join(".");d[a]||(d[a]=[]);h=h||{};d[a].push((h.delay||0)+(h.duration||0)+(h.hold||0))})});var g=0;for(e in d)var h=d[e]=d[e].reduce(function(a,b){return a+b}),g=Math.max(g,h);a.forEach(function(a){var e=a[0],h=a[1]||"",m=a[2]||{},n=a[3]||{},t;if("set"==
-e)return c.push(a);"add"==e&&(t=h,h=m.sequence);"remove"==e&&(n=m);b(a).forEach(function(a){var b=[h,a].join("."),k=n.delay||0,u=n.duration||0,v=n.hold||0;void 0!==d[b]&&(k+=g-d[b],delete d[b]);n={delay:k,duration:u,hold:v};"add"==e&&c.push([e,t,m,n]);"remove"==e?c.push([e,h,n]):(b={},b[a]=m.style&&void 0!==m.style[a]?m.style[a]:m[a],c.push([e,h,b,n]))})});return c},apply:function(a,b,c,e){var d=this._stage;_.each(a,function(a){var h=a[0]||"",k=a[1]||"",f=a[2]||{},l=a[3]||{};"remove"==h&&(l=f);b&&
-(a=this.invert(a),a=[0,0].concat(a),Array.prototype.splice.apply(b,a));e&&l&&(l=_.extend({},l),l.delay/=2,l.duration/=2,l.hold/=2);c&&(l={delay:0,duration:0,hold:0},"animate"==h&&(h="set"));switch(h){case "clone":d.clone(k,f,l);break;case "add":d.spawn(k,f,l);break;case "remove":_.each(d.select(k),function(a){d.remove(a,l)});break;case "set":var h=d.select(k),m=f.constructor==Array;_.each(h,function(a,b){d.set(a,m?f[b]:f)});break;case "animate":h=d.select(k),m=f.constructor==Array,_.each(h,function(a,
+MathBox.Director.prototype={clock:function(a,b){if(a>this.step)return 0;var c=+new Date;this.time+=(c-this.lastTime)*this.stage().speed();this.lastTime=c;if(b||!this.clocks[a])this.clocks[a]=this.time;return 0.001*(this.time-this.clocks[a])},invert:function(a){var b=this._stage,c=[],e,d=a[0],g=a[1],k=a[2]||{},h=a[3];"remove"==d&&(h=k);h={delay:h&&void 0!==h.hold?h.hold/4:0,duration:h&&void 0!==h.duration?h.duration/4:0,hold:h&&void 0!==h.delay?h.delay/4:0};switch(d){case "add":e=[0];case "clone":e=
+e||b.select(g);_.each(e,function(a,b){c.push(["remove",k.sequence||MathBox.Primitive.sequence+1+b,h])});break;case "remove":e=b.select(g);_.each(e,function(a){c.push(["add",a.type(),b.get(a),h])});break;case "animate":case "set":e=b.select(g),_.each(e,function(a){var e=b.get(a),g={};for(i in k)g[i]=e.style&&void 0!==e.style[i]?e.style[i]:e[i];c.push([d,a.singleton||a.get("sequence"),g,h])})}return c},invertDelay:function(a){function b(a){var b=a[2]||{},c=["opacity"];if("animate"==a[0])for(e in c=
+[],b)if("style"==e)for(j in b.style)c.push(j);else c.push(e);return c}var c=[],e,d={};a.forEach(function(a){var c=a[0],e=a[1]||"",g=a[2]||{},k=a[3]||{};if("set"==c)return null;"add"==c&&(e=g.sequence);"remove"==c&&(k=g);b(a).forEach(function(a){a=[e,a].join(".");d[a]||(d[a]=[]);k=k||{};d[a].push((k.delay||0)+(k.duration||0)+(k.hold||0))})});var g=0;for(e in d)var k=d[e]=d[e].reduce(function(a,b){return a+b}),g=Math.max(g,k);a.forEach(function(a){var e=a[0],k=a[1]||"",m=a[2]||{},n=a[3]||{},t;if("set"==
+e)return c.push(a);"add"==e&&(t=k,k=m.sequence);"remove"==e&&(n=m);b(a).forEach(function(a){var b=[k,a].join("."),h=n.delay||0,u=n.duration||0,v=n.hold||0;void 0!==d[b]&&(h+=g-d[b],delete d[b]);n={delay:h,duration:u,hold:v};"add"==e&&c.push([e,t,m,n]);"remove"==e?c.push([e,k,n]):(b={},b[a]=m.style&&void 0!==m.style[a]?m.style[a]:m[a],c.push([e,k,b,n]))})});return c},apply:function(a,b,c,e){var d=this._stage;_.each(a,function(a){var k=a[0]||"",h=a[1]||"",f=a[2]||{},l=a[3]||{};"remove"==k&&(l=f);b&&
+(a=this.invert(a),a=[0,0].concat(a),Array.prototype.splice.apply(b,a));e&&l&&(l=_.extend({},l),l.delay/=2,l.duration/=2,l.hold/=2);c&&(l={delay:0,duration:0,hold:0},"animate"==k&&(k="set"));switch(k){case "clone":d.clone(h,f,l);break;case "add":d.spawn(h,f,l);break;case "remove":_.each(d.select(h),function(a){d.remove(a,l)});break;case "set":var k=d.select(h),m=f.constructor==Array;_.each(k,function(a,b){d.set(a,m?f[b]:f)});break;case "animate":k=d.select(h),m=f.constructor==Array,_.each(k,function(a,
 b){d.animate(a,m?f[b]:f,l)})}}.bind(this));return this},insert:function(a){a[0].constructor!=Array&&(a=[a]);this.script.splice(this.step,0,a);this.forward();return this},is:function(a){if(!this.script.length)return!1;for(;0>a;)a+=this.script.length+1;for(;a>=this.script.length+1;)a-=this.script.length+1;return a==this.step},isFirst:function(){return this.is(0)},isLast:function(){return this.is(-1)},go:function(a,b){if(this.script.length){for(;0>a;)a+=this.script.length+1;for(;a>=this.script.length+
 1;)a-=this.script.length+1;for(;a>this.step;)this.forward(b);for(;a<this.step;)this.back(b)}},skipping:function(){var a=+new Date,b=!1;500>a-this.lastCommand&&(b=!0);this.stage().hurry("*");this.lastCommand=a;return b},forward:function(a,b){if(!(this.step>=this.script.length)){var c=this.step,e=this.script[c],d=this.rollback[c]=[];this.step++;var g=function(){this.apply(e,d,a,a?!1:this.skipping());this.rollback[c]=this.invertDelay(d);this.clock(c+1,!0);this.emit("go",c+1,1)}.bind(this);b?setTimeout(g,
 +b):g();return this}},back:function(a,b){if(!(0>=this.step)){this.step--;var c=this.step,e=this.rollback[c],d=function(){this.apply(e,null,a||this.skipping());delete this.rollback[c];this.emit("go",c,-1)}.bind(this);b?setTimeout(d,+b):d();return this}},stage:function(){return this._stage}};_.each(MathBox.Stage.prototype,function(a,b){MathBox.Director.prototype[b]||(MathBox.Director.prototype[b]=function(){var b=this.stage[a].apply(this.stage,arguments);return b===this.stage?this:b})});MicroEvent.mixin(MathBox.Director);
@@ -49,44 +49,44 @@ MathBox.CameraProxy=function(a,b){this.set({orbit:void 0===b.orbit?3.5:b.orbit,p
 null,!0);var a=this.get("lookAt");a[0]=c.lookAt.x;a[1]=c.lookAt.y;a[2]=c.lookAt.z}};MathBox.Attributes.mixin(MathBox.CameraProxy);MathBox.Overlay=function(){(this.domElement=document.createElement("div")).className="mathbox-overlay";this.sprites=[];this.v=new THREE.Vector3;this.q=new THREE.Vector3};
 MathBox.Overlay.prototype={size:function(a,b){this.width=a;this.height=b;this.domElement.style.width=a+"px";this.domElement.style.height=b+"px"},add:function(a){-1==this.sprites.indexOf(a)&&(this.sprites.push(a),a.element.parentNode||this.domElement.appendChild(a.element),_.each(a.children,function(a){this.add(a)}.bind(this)))},remove:function(a){var b;-1!=(b=this.sprites.indexOf(a))&&(this.sprites.splice(b,1),a.element.parentNode&&a.element.parentNode.removeChild(a.element),_.each(a.children,function(a){this.remove(a)}.bind(this)))},
 update:function(a){this.fov=0.5/Math.tan(a.fov*Math.PI/360)*this.height;_.each(this.sprites,function(b){this._update(b,a)}.bind(this));_.each(this.sprites,function(b){this._measure(b,a)}.bind(this));_.each(this.sprites,function(b){this._vis(b,a)}.bind(this))},_measure:function(a,b){if(a.measure){var c=a.element;a.width=c.offsetWidth;a.height=c.offsetHeight;a.measure=!1}},_vis:function(a,b){if(a.render&&(a.width||a.height)){var c=a.left,e=a.top,d=a.width+c,g=a.height+e;found=!1;_.each(this.sprites,
-function(b){if(b===a)found=!0;else if(found&&b.render){var k=b.left,f=b.top,l=b.width+k,m=b.height+f;d<k||c>l||g<f||e>m||(b.element.style.display="none",b.render=!1)}})}},_update:function(a,b){for(var c=this.v,e=this.q,d=a.render,g=a.visible,h=a.parent;g&&h;)g=g&&h.visible,h=h.parent;a.render=g&&0<a.opacity;if(a.render)d||(a.element.style.display="block"),c.copy(a.position),b.matrixWorldInverse.multiplyVector3(c),d=-(c.x/c.z)*this.fov+0.5*this.width,g=c.y/c.z*this.fov+0.5*this.height,a.distance&&
-(e.copy(a.tangent).multiplyScalar(0.01),e.addSelf(a.position),b.matrixWorldInverse.multiplyVector3(e),h=0<a.distance?1:-1,e.subSelf(c),e.z=0,e.normalize().multiplyScalar(a.distance),d+=Math.abs(e.y)*h,g+=Math.abs(e.x)*h),d=Math.round(d),g=Math.round(g),a.left!==d&&(a.left=d,a.element.style.left=d+"px"),a.top!==g&&(a.top=g,a.element.style.top=g+"px"),a.lastOpacity!==a.opacity&&(a.element.style.opacity=a.opacity,a.lastOpacity=a.opacity);else if(d||null===d)a.element.style.display="none"}};
+function(b){if(b===a)found=!0;else if(found&&b.render){var h=b.left,f=b.top,l=b.width+h,m=b.height+f;d<h||c>l||g<f||e>m||(b.element.style.display="none",b.render=!1)}})}},_update:function(a,b){for(var c=this.v,e=this.q,d=a.render,g=a.visible,k=a.parent;g&&k;)g=g&&k.visible,k=k.parent;a.render=g&&0<a.opacity;if(a.render)d||(a.element.style.display="block"),c.copy(a.position),b.matrixWorldInverse.multiplyVector3(c),d=-(c.x/c.z)*this.fov+0.5*this.width,g=c.y/c.z*this.fov+0.5*this.height,a.distance&&
+(e.copy(a.tangent).multiplyScalar(0.01),e.addSelf(a.position),b.matrixWorldInverse.multiplyVector3(e),k=0<a.distance?1:-1,e.subSelf(c),e.z=0,e.normalize().multiplyScalar(a.distance),d+=Math.abs(e.y)*k,g+=Math.abs(e.x)*k),d=Math.round(d),g=Math.round(g),a.left!==d&&(a.left=d,a.element.style.left=d+"px"),a.top!==g&&(a.top=g,a.element.style.top=g+"px"),a.lastOpacity!==a.opacity&&(a.element.style.opacity=a.opacity,a.lastOpacity=a.opacity);else if(d||null===d)a.element.style.display="none"}};
 MathBox.Sprite=function(a,b,c){this.element=a;this.tangent=b||new THREE.Vector3(1,0,0);this.distance=c||0;this.height=this.width=0;this.measure=this.visible=!0;this.render=null;this.content="";this.lastOpacity=this.lastTop=this.lastLeft=null;a.style.position="absolute";a.style.left=0;a.style.top=0;a.style.opacity=0;THREE.Object3D.call(this)};MathBox.Sprite.prototype=_.extend(new THREE.Object3D,{});
 MathBox.Primitive=function(a){if(null!==a){var b=this.defaults();a&&(a.style=_.extend(b.style,a.style||{}),a=_.extend(b,a||{}));a=a||b;this.set(a);this.style=new MathBox.Style;this.style.set(this.get().style||{});this.on("change",function(a){void 0!==a.style&&this.style.set(a.style)}.bind(this));this.set("sequence",a.sequence||++MathBox.Primitive.sequence);this.set("id",a.id||this.sequence);this.init()}};MathBox.Primitive.sequence=0;MathBox.Primitive.types={};
 MathBox.Primitive.prototype={defaults:function(){return{}},type:function(){return"primitive"},init:function(){},make:function(){},destroy:function(){},renderables:function(){return[]},adjust:function(a){}};MathBox.Attributes.mixin(MathBox.Primitive);MicroEvent.mixin(MathBox.Primitive);MathBox.Curve=function(a){null!==a&&MathBox.Primitive.call(this,a)};
 MathBox.Curve.prototype=_.extend(new MathBox.Primitive(null),{defaults:function(){return{n:64,domain:[0,1],data:null,expression:function(){return 0},live:!0,points:!1,line:!0,style:{}}},type:function(){return"curve"},renderables:function(){return[this.line,this.points]},adjust:function(a){a=this.get();this.line.show(a.line);this.points.show(a.points);(a.line||a.points)&&0<this.style.get("opacity")&&a.live&&this.calculate()},make:function(){var a=this.get(),b=this.style,c=a.n,e=this.vertices=[];_.loop(c,
-function(){e.push(new THREE.Vector3)});c=function(c){return new MathBox.Renderable.Mesh(e,{type:c,dynamic:a.live},b)};this.line=c("line");this.points=c("points");this.calculate()},calculate:function(){var a=this.vertices,b=this.get(),c=b.data,e=b.domain,d=b.n,g=e[0],h=(e[1]-g)/(d-1),k;_.loop(d,function(d){k=c&&void 0!==c[d]?c[d]:b.expression.call(this,g,d);var e=0,m=0,n=0;if(k instanceof Array){var t=k.length;0<t&&(e=k[0]);1<t&&(m=k[1]);2<t&&(n=k[2])}else e=g,m=+k;a[d].set(e,m,n);g+=h}.bind(this))}});
+function(){e.push(new THREE.Vector3)});c=function(c){return new MathBox.Renderable.Mesh(e,{type:c,dynamic:a.live},b)};this.line=c("line");this.points=c("points");this.calculate()},calculate:function(){var a=this.vertices,b=this.get(),c=b.data,e=b.domain,d=b.n,g=e[0],k=(e[1]-g)/(d-1),h;_.loop(d,function(d){h=c&&void 0!==c[d]?c[d]:b.expression.call(this,g,d);var e=0,m=0,n=0;if(h instanceof Array){var t=h.length;0<t&&(e=h[0]);1<t&&(m=h[1]);2<t&&(n=h[2])}else e=g,m=+h;a[d].set(e,m,n);g+=k}.bind(this))}});
 MathBox.Primitive.types.curve=MathBox.Curve;MathBox.Bezier=function(a){MathBox.Curve.call(this,a)};
-MathBox.Bezier.prototype=_.extend(new MathBox.Curve(null),{defaults:function(){return{n:64,domain:[0,1],data:null,order:3,expression:function(){return 0},live:!0,points:!1,line:!0,style:{}}},type:function(){return"bezier"},calculate:function(){var a=this.vertices,b=this.get(),c=b.domain,e=b.data,d=b.order,g=b.n;if(1>d||3<d)throw"Bezier curve order must be 1, 2 or 3.";var h=[],k;_.loop(d+1,function(a){k=e&&void 0!==e[a]?e[a]:b.expression.call(this,a,a);var c=a=0,d=0;if(k instanceof Array){var f=k.length;
-0<f&&(a=k[0]);1<f&&(c=k[1]);2<f&&(d=k[2])}else a=l,c=+k;h.push(new THREE.Vector3(a,c,d))}.bind(this));var f={bezierPoints:h},l=c[0],m=(c[1]-l)/(g-1);_.loop(g,function(b){a[b].set(l,0,0);l+=m});c={uniforms:f,shaders:{position:function(a,b){a.snippet("bezier"+d).snippet("mathTransform");b.viewport(a)}}};this.line.set(c);this.points.set(c)}});MathBox.Primitive.types.bezier=MathBox.Bezier;
+MathBox.Bezier.prototype=_.extend(new MathBox.Curve(null),{defaults:function(){return{n:64,domain:[0,1],data:null,order:3,expression:function(){return 0},live:!0,points:!1,line:!0,style:{}}},type:function(){return"bezier"},calculate:function(){var a=this.vertices,b=this.get(),c=b.domain,e=b.data,d=b.order,g=b.n;if(1>d||3<d)throw"Bezier curve order must be 1, 2 or 3.";var k=[],h;_.loop(d+1,function(a){h=e&&void 0!==e[a]?e[a]:b.expression.call(this,a,a);var c=a=0,d=0;if(h instanceof Array){var f=h.length;
+0<f&&(a=h[0]);1<f&&(c=h[1]);2<f&&(d=h[2])}else a=l,c=+h;k.push(new THREE.Vector3(a,c,d))}.bind(this));var f={bezierPoints:k},l=c[0],m=(c[1]-l)/(g-1);_.loop(g,function(b){a[b].set(l,0,0);l+=m});c={uniforms:f,shaders:{position:function(a,b){a.snippet("bezier"+d).snippet("mathTransform");b.viewport(a)}}};this.line.set(c);this.points.set(c)}});MathBox.Primitive.types.bezier=MathBox.Bezier;
 MathBox.Axis=function(a){null!==a&&(MathBox.Primitive.call(this,a),this.on("change",function(a){void 0!==a.size&&this.arrow&&this.arrow.set("size",a.size)}))};
-MathBox.Axis.prototype=_.extend(new MathBox.Primitive(null),{defaults:function(){return{axis:0,offset:[0,0,0],n:2,arrow:!0,line:!0,labels:!1,decimals:2,distance:15,ticks:10,tickUnit:1,tickScale:10,size:0.07,style:{lineWidth:4,color:new THREE.Color(7368816)},formatter:null,zero:!0}},renderables:function(){return[this.line,this.ticks,this.arrow,this.labels]},type:function(){return"axis"},adjust:function(a,b){var c=this.get(),e=c.axis,d=c.offset,g=c.arrow,h=c.line,k=c.labels,f=c.n,l=c.ticks,m=c.tickUnit,
-n=c.tickScale,c=c.decimals,t=this.points,s=this.labelPoints,r=this.labelTangent,q=this.tickPoints,u=this.tickSigns,v=[0,0,0],x=new THREE.Vector3;new THREE.Vector4;var w=a.axis(e),y=w[0],w=w[1],A=(w-y)/(f-1);x.set.apply(x,d);_.loop(f,function(a){v[e]=y+a*A;t[a].set.apply(t[a],v);t[a].addSelf(x)});this.line.show(h);this.arrow.show(g);f=this.scale=MathBox.Ticks(y,w,l,m,n,!0);this.ticks.show(!!l);if(l){l=Math.floor(q.length/2);f.length>l&&(f=f.slice(0,l));var l=[0,0,0],z;l[2==e?0:1-e]=0.01*(w-y);this.epsilon.set.apply(this.epsilon,
-l);v=[0,0,0];_.each(f,function(a,b){v[e]=a;var c=2*b;q[c].set.apply(q[c],v);q[c].addSelf(x);u[c]=1;q[c+1].copy(q[c]);u[c+1]=-1;s[b].copy(q[c]);z=c+1});l=z+1;for(f=q.length;l<f;)q[l].copy(q[z]),u[l]=u[z],l++}v=[0,0,0];v[e]=1;r.set.apply(r,v);this.labels.show(!!k);this.labels.set("decimals",c)},make:function(){var a=this.get(),b=a.n,c=a.size,e=a.ticks,d=a.distance,g=a.formatter,h=this.style,k=this.points=[],f=this.labelPoints=[],l=this.labelTangent=new THREE.Vector3,m=this.tickPoints=[],n=this.tickSigns=
-[],t=this.epsilon=new THREE.Vector3;_.loop(b,function(a){k.push(new THREE.Vector3)});_.loop(4*e,function(a){f.push(new THREE.Vector3)});_.loop(8*e,function(a){m.push(new THREE.Vector3);n.push(1)});var e={dynamic:!0,size:c,offset:0.5},c={dynamic:!0,size:0.2*c},d={dynamic:!0,distance:d},s=function(b){b=this.scale[b];return 0!=b||a.zero?g?g(b):b:""}.bind(this);this.line=new MathBox.Renderable.Mesh(k,{dynamic:!0,type:"line"},h);this.arrow=new MathBox.Renderable.ArrowHead(k[b-2],k[b-1],e,h);this.ticks=
-new MathBox.Renderable.Ticks(m,n,t,c,h);this.labels=new MathBox.Renderable.Labels(f,l,s,d,h)}});MathBox.Axis.validateArgs=function(a){"number"==typeof a&&(a={axis:a});return a};MathBox.Primitive.types.axis=MathBox.Axis;MathBox.Grid=function(a){null!==a&&MathBox.Primitive.call(this,a)};
-MathBox.Grid.prototype=_.extend(new MathBox.Primitive(null),{defaults:function(){return{axis:[0,1],offset:[0,0,0],show:[!0,!0],n:2,ticks:[10,10],tickUnit:[1,1],tickScale:[10,10],style:{lineWidth:1,color:new THREE.Color(10526880)}}},type:function(){return"grid"},renderables:function(){return this.lines||[]},adjust:function(a){function b(a,b,c,d,e){var f=l.slice(),g=0,h=MathBox.Ticks(b.min,b.max,b.ticks,b.tickUnit,b.tickScale,!0);h.length>d&&(h=h.slice(0,d));_.each(h,function(d){f[b.axis]=d+l[b.axis];
-f[c.axis]=c.min+l[c.axis];_.loop(e-1,function(b){a[g].set.apply(a[g],f);g++;f[c.axis]+=c.inv;a[g].set.apply(a[g],f);g++})});d=Math.max(0,g-1);for(h=a.length;g<h;)a[g++].copy(a[d])}var c=this.get(),e=c.axis,d=c.ticks,g=c.tickUnit,h=c.tickScale,k=c.n,f=c.show,l=c.offset,c=this.points,m=this.limit,n=[];"number"==typeof k&&(k=[k,k]);_.each(e,function(b,c){var e=a.axis(b);n.push({axis:b,min:e[0],max:e[1],inv:(e[1]-e[0])/(k[c]-1),ticks:d[c],tickUnit:g[c],tickScale:h[c]})});this.lines[0].show(f[0]);this.lines[1].show(f[1]);
-f[0]&&b(c[0],n[1],n[0],m[0],k[0]);f[1]&&b(c[1],n[0],n[1],m[1],k[1])},make:function(a){var b=this.get();a=b.ticks;var c=b.n,e=this.points=[[],[]],b=this.style;"number"==typeof c&&(c=[c,c]);var d=this.limit=[0,0];_.each(a,function(a,b){b=1-b;d[b]=4*a;_.loop(d[b]*(c[b]-1)*2,function(a){e[b].push(new THREE.Vector3)})});this.lines=[];this.lines.push(new MathBox.Renderable.Mesh(e[0],{type:"line",strip:!1,dynamic:!0},b));this.lines.push(new MathBox.Renderable.Mesh(e[1],{type:"line",strip:!1,dynamic:!0},
+MathBox.Axis.prototype=_.extend(new MathBox.Primitive(null),{defaults:function(){return{axis:0,offset:[0,0,0],n:2,arrow:!0,line:!0,labels:!1,decimals:2,distance:15,ticks:10,tickUnit:1,tickScale:10,size:0.07,style:{lineWidth:4,color:new THREE.Color(7368816)},formatter:null,zero:!0}},renderables:function(){return[this.line,this.ticks,this.arrow,this.labels]},type:function(){return"axis"},adjust:function(a,b){var c=this.get(),e=c.axis,d=c.offset,g=c.arrow,k=c.line,h=c.labels,f=c.n,l=c.ticks,m=c.tickUnit,
+n=c.tickScale,c=c.decimals,t=this.points,s=this.labelPoints,r=this.labelTangent,q=this.tickPoints,u=this.tickSigns,v=[0,0,0],x=new THREE.Vector3;new THREE.Vector4;var w=a.axis(e),y=w[0],w=w[1],A=(w-y)/(f-1);x.set.apply(x,d);_.loop(f,function(a){v[e]=y+a*A;t[a].set.apply(t[a],v);t[a].addSelf(x)});this.line.show(k);this.arrow.show(g);f=this.scale=MathBox.Ticks(y,w,l,m,n,!0);this.ticks.show(!!l);if(l){l=Math.floor(q.length/2);f.length>l&&(f=f.slice(0,l));var l=[0,0,0],z;l[2==e?0:1-e]=0.01*(w-y);this.epsilon.set.apply(this.epsilon,
+l);v=[0,0,0];_.each(f,function(a,b){v[e]=a;var c=2*b;q[c].set.apply(q[c],v);q[c].addSelf(x);u[c]=1;q[c+1].copy(q[c]);u[c+1]=-1;s[b].copy(q[c]);z=c+1});l=z+1;for(f=q.length;l<f;)q[l].copy(q[z]),u[l]=u[z],l++}v=[0,0,0];v[e]=1;r.set.apply(r,v);this.labels.show(!!h);this.labels.set("decimals",c)},make:function(){var a=this.get(),b=a.n,c=a.size,e=a.ticks,d=a.distance,g=a.formatter,k=this.style,h=this.points=[],f=this.labelPoints=[],l=this.labelTangent=new THREE.Vector3,m=this.tickPoints=[],n=this.tickSigns=
+[],t=this.epsilon=new THREE.Vector3;_.loop(b,function(a){h.push(new THREE.Vector3)});_.loop(4*e,function(a){f.push(new THREE.Vector3)});_.loop(8*e,function(a){m.push(new THREE.Vector3);n.push(1)});var e={dynamic:!0,size:c,offset:0.5},c={dynamic:!0,size:0.2*c},d={dynamic:!0,distance:d},s=function(b){b=this.scale[b];return 0!=b||a.zero?g?g(b):b:""}.bind(this);this.line=new MathBox.Renderable.Mesh(h,{dynamic:!0,type:"line"},k);this.arrow=new MathBox.Renderable.ArrowHead(h[b-2],h[b-1],e,k);this.ticks=
+new MathBox.Renderable.Ticks(m,n,t,c,k);this.labels=new MathBox.Renderable.Labels(f,l,s,d,k)}});MathBox.Axis.validateArgs=function(a){"number"==typeof a&&(a={axis:a});return a};MathBox.Primitive.types.axis=MathBox.Axis;MathBox.Grid=function(a){null!==a&&MathBox.Primitive.call(this,a)};
+MathBox.Grid.prototype=_.extend(new MathBox.Primitive(null),{defaults:function(){return{axis:[0,1],offset:[0,0,0],show:[!0,!0],n:2,ticks:[10,10],tickUnit:[1,1],tickScale:[10,10],style:{lineWidth:1,color:new THREE.Color(10526880)}}},type:function(){return"grid"},renderables:function(){return this.lines||[]},adjust:function(a){function b(a,b,c,d,e){var f=l.slice(),g=0,k=MathBox.Ticks(b.min,b.max,b.ticks,b.tickUnit,b.tickScale,!0);k.length>d&&(k=k.slice(0,d));_.each(k,function(d){f[b.axis]=d+l[b.axis];
+f[c.axis]=c.min+l[c.axis];_.loop(e-1,function(b){a[g].set.apply(a[g],f);g++;f[c.axis]+=c.inv;a[g].set.apply(a[g],f);g++})});d=Math.max(0,g-1);for(k=a.length;g<k;)a[g++].copy(a[d])}var c=this.get(),e=c.axis,d=c.ticks,g=c.tickUnit,k=c.tickScale,h=c.n,f=c.show,l=c.offset,c=this.points,m=this.limit,n=[];"number"==typeof h&&(h=[h,h]);_.each(e,function(b,c){var e=a.axis(b);n.push({axis:b,min:e[0],max:e[1],inv:(e[1]-e[0])/(h[c]-1),ticks:d[c],tickUnit:g[c],tickScale:k[c]})});this.lines[0].show(f[0]);this.lines[1].show(f[1]);
+f[0]&&b(c[0],n[1],n[0],m[0],h[0]);f[1]&&b(c[1],n[0],n[1],m[1],h[1])},make:function(a){var b=this.get();a=b.ticks;var c=b.n,e=this.points=[[],[]],b=this.style;"number"==typeof c&&(c=[c,c]);var d=this.limit=[0,0];_.each(a,function(a,b){b=1-b;d[b]=4*a;_.loop(d[b]*(c[b]-1)*2,function(a){e[b].push(new THREE.Vector3)})});this.lines=[];this.lines.push(new MathBox.Renderable.Mesh(e[0],{type:"line",strip:!1,dynamic:!0},b));this.lines.push(new MathBox.Renderable.Mesh(e[1],{type:"line",strip:!1,dynamic:!0},
 b))}});MathBox.Primitive.types.grid=MathBox.Grid;MathBox.Vector=function(a){null!==a&&(MathBox.Primitive.call(this,a),this.render=[],this.arrows=[],this.line=this.points=this.vertices=null,this.on("change",function(a){void 0!==a.size&&_.each(this.arrows,function(c){c.set("size",a.size)})}))};MathBox.Vector.vLast=new THREE.Vector3;MathBox.Vector.vCurrent=new THREE.Vector3;
-MathBox.Vector.prototype=_.extend(new MathBox.Primitive(null),{defaults:function(){return{n:1,data:null,arrow:!0,expression:function(){return 0},live:!0,style:{},size:0.07}},type:function(){return"vector"},renderables:function(){return this.render},adjust:function(a){var b=this.get();0<this.style.get("opacity")&&(b.arrow||b.live)&&this.calculate(a);_.each(this.arrows,function(a){a.show(b.arrow)})},make:function(){var a=this.get(),b=a.arrow,c=this.style,e=a.n,d=this.vertices=[],g=this.points=[],h=
-this.render=[],k=this.arrows=[],f={dynamic:a.live,type:"line",strip:!1},l={size:a.size},m=0;_.loop(e,function(){d.push(new THREE.Vector3);d.push(new THREE.Vector3);g.push(new THREE.Vector3);g.push(new THREE.Vector3);if(b){var a=new MathBox.Renderable.ArrowHead(g[m++],g[m++],l,c);h.push(a);k.push(a)}});this.line=new MathBox.Renderable.Mesh(d,f,c);h.push(this.line);this.calculate()},calculate:function(a){var b=this.vertices,c=this.arrows,e=this.points,d=this.get(),g=d.data,h=d.arrow,k=d.n,f=d.size,
-l=this.style.get("mathScale"),m=0,n=0;_.loop(2*k,function(k){p=g&&void 0!==g[k]?g[k]:d.expression.call(this,n,m);var s=0,r=0,q=0;if(p instanceof Array){var u=p.length;0<u&&(s=p[0]);1<u&&(r=p[1]);2<u&&(q=p[2])}else s=k,r=+p,q=0;e[k].set(s,r,q);b[k].set(s,r,q);a&&h&&1==k%2&&(s=MathBox.Vector.vLast,r=MathBox.Vector.vCurrent,r.copy(b[k]),s.copy(b[k-1]),a.to(r),a.to(s),r.subSelf(s).multiplySelf(l),u=r.length(),q=Math.min(1,0.5*u/f),q=(1-(1-q)*(1-q))*f,u-=q,r.normalize().multiplyScalar(u).divideSelf(l).addSelf(s),
-a.from(r),b[k].copy(r),c[n].set({size:q}));n=m?n+1:n;m=(m+1)%2}.bind(this))}});MathBox.Primitive.types.vector=MathBox.Vector;MathBox.Surface=function(a){null!==a&&MathBox.Primitive.call(this,a)};
+MathBox.Vector.prototype=_.extend(new MathBox.Primitive(null),{defaults:function(){return{n:1,data:null,arrow:!0,expression:function(){return 0},live:!0,style:{},size:0.07}},type:function(){return"vector"},renderables:function(){return this.render},adjust:function(a){var b=this.get();0<this.style.get("opacity")&&(b.arrow||b.live)&&this.calculate(a);_.each(this.arrows,function(a){a.show(b.arrow)})},make:function(){var a=this.get(),b=a.arrow,c=this.style,e=a.n,d=this.vertices=[],g=this.points=[],k=
+this.render=[],h=this.arrows=[],f={dynamic:a.live,type:"line",strip:!1},l={size:a.size},m=0;_.loop(e,function(){d.push(new THREE.Vector3);d.push(new THREE.Vector3);g.push(new THREE.Vector3);g.push(new THREE.Vector3);if(b){var a=new MathBox.Renderable.ArrowHead(g[m++],g[m++],l,c);k.push(a);h.push(a)}});this.line=new MathBox.Renderable.Mesh(d,f,c);k.push(this.line);this.calculate()},calculate:function(a){var b=this.vertices,c=this.arrows,e=this.points,d=this.get(),g=d.data,k=d.arrow,h=d.n,f=d.size,
+l=this.style.get("mathScale"),m=0,n=0;_.loop(2*h,function(h){p=g&&void 0!==g[h]?g[h]:d.expression.call(this,n,m);var s=0,r=0,q=0;if(p instanceof Array){var u=p.length;0<u&&(s=p[0]);1<u&&(r=p[1]);2<u&&(q=p[2])}else s=h,r=+p,q=0;e[h].set(s,r,q);b[h].set(s,r,q);a&&k&&1==h%2&&(s=MathBox.Vector.vLast,r=MathBox.Vector.vCurrent,r.copy(b[h]),s.copy(b[h-1]),a.to(r),a.to(s),r.subSelf(s).multiplySelf(l),u=r.length(),q=Math.min(1,0.5*u/f),q=(1-(1-q)*(1-q))*f,u-=q,r.normalize().multiplyScalar(u).divideSelf(l).addSelf(s),
+a.from(r),b[h].copy(r),c[n].set({size:q}));n=m?n+1:n;m=(m+1)%2}.bind(this))}});MathBox.Primitive.types.vector=MathBox.Vector;MathBox.Surface=function(a){null!==a&&MathBox.Primitive.call(this,a)};
 MathBox.Surface.prototype=_.extend(new MathBox.Primitive(null),{defaults:function(){return{n:[64,64],domain:[[0,1],[0,1]],data:null,expression:function(){return 0},live:!0,points:!1,line:!1,mesh:!0,doubleSided:!0,flipSided:!1,shaded:!0,style:{}}},type:function(){return"surface"},renderables:function(){return[this.mesh,this.line,this.points]},adjust:function(a){a=this.get();this.mesh.show(a.mesh);this.line.show(a.line);this.points.show(a.points);(a.mesh||a.line||a.points)&&0<this.style.get("opacity")&&
 a.live&&this.calculate()},make:function(){var a=this.get(),b=this.style,c=a.n;"number"==typeof c&&(c=[c,c]);var e=this.geometry=new THREE.PlaneGeometry(2,2,c[0]-1,c[1]-1);this.vertices=e.vertices;this.mesh=new MathBox.Renderable.Mesh(e,{type:"mesh",doubleSided:a.doubleSided,flipSided:a.flipSided,shaded:a.shaded,smooth:!0,dynamic:a.live},b);this.line=new MathBox.Renderable.Mesh(e,{type:"mesh",shaded:a.shaded,smooth:!0,dynamic:a.live,wireframe:!0},b);this.points=new MathBox.Renderable.Mesh(e.vertices,
-{type:"points",dynamic:a.live},b);if(a.shaded){var d=this.tangents=[[],[]];_.loop(c[0]*c[1],function(){d[0].push(new THREE.Vector3);d[1].push(new THREE.Vector3)})}this.calculate()},calculate:function(){var a=this.vertices,b=this.tangents,c=this.get(),e=c.data,d=c.domain,g=c.n,h=c.flipSided,k=h?1:0,h=h?0:1;"number"==typeof g&&(g=[g,g]);var f=d[0][0],l=d[1][0],m=(d[0][1]-f)/(g[0]-1),n=(d[1][1]-l)/(g[1]-1),t,s=0;_.loop(g[1],function(b){f=d[0][0];_.loop(g[0],function(d){t=e&&void 0!==e[b]&&void 0!==e[b][d]?
+{type:"points",dynamic:a.live},b);if(a.shaded){var d=this.tangents=[[],[]];_.loop(c[0]*c[1],function(){d[0].push(new THREE.Vector3);d[1].push(new THREE.Vector3)})}this.calculate()},calculate:function(){var a=this.vertices,b=this.tangents,c=this.get(),e=c.data,d=c.domain,g=c.n,k=c.flipSided,h=k?1:0,k=k?0:1;"number"==typeof g&&(g=[g,g]);var f=d[0][0],l=d[1][0],m=(d[0][1]-f)/(g[0]-1),n=(d[1][1]-l)/(g[1]-1),t,s=0;_.loop(g[1],function(b){f=d[0][0];_.loop(g[0],function(d){t=e&&void 0!==e[b]&&void 0!==e[b][d]?
 e[b][d]:c.expression.call(this,f,l,d,b,s);var g=d=0,h=0;if(t instanceof Array){var k=t.length;0<k&&(d=t[0]);1<k&&(g=t[1]);2<k&&(h=t[2])}else d=f,g=+t,h=l;a[s].set(d,g,h);f+=m;s++}.bind(this));l+=n}.bind(this));if(c.shaded){var s=0,l=d[1][0],r=g[0];_.loop(g[1],function(c){f=d[0][0];var e=c?c-1:0,h=Math.min(g[1]-1,c+1);_.loop(g[0],function(d){var k=d?d-1:0,l=Math.min(g[0]-1,d+1),n=a[d+c*r];l==d?b[0][s].sub(n,a[k+c*r]).addSelf(n):b[0][s].copy(a[l+c*r]);h==c?b[1][s].sub(n,a[d+e*r]).addSelf(n):b[1][s].copy(a[d+
-h*r]);f+=m;s++});l+=n});this.line.set("attributes",{positionDU:b[k],positionDV:b[h]});this.mesh.set("attributes",{positionDU:b[k],positionDV:b[h]})}}});MathBox.Primitive.types.surface=MathBox.Surface;MathBox.BezierSurface=function(a){this.matrixX=new THREE.Matrix4;this.matrixY=new THREE.Matrix4;this.matrixZ=new THREE.Matrix4;this.coefficients=new THREE.Matrix4(-1,3,-3,1,3,-6,3,0,-3,3,0,0,1,0,0,0);MathBox.Surface.call(this,a)};
-MathBox.BezierSurface.prototype=_.extend(new MathBox.Surface(null),{defaults:function(){return{n:[64,64],domain:[[0,1],[0,1]],data:null,order:3,expression:function(){return 0},live:!0,points:!1,line:!1,mesh:!0,doubleSided:!0,flipSided:!1,shaded:!0,style:{}}},type:function(){return"bezierSurface"},calculate:function(){var a=this.vertices,b=this.get(),c=b.domain,e=b.data,d=b.order,g=b.shaded,h=b.n;"number"==typeof h&&(h=[h,h]);if(3!=d)throw"Bezier surface order must be 3.";var k=[],f;_.loop(d+1,function(a){_.loop(d+
-1,function(c){f=e&&void 0!==e[a]&&void 0!==e[a][c]?e[a][c]:b.expression.call(this,c,a,c,a);var d=0,g=0,h=0;f instanceof Array?(c=f.length,0<c&&(d=f[0]),1<c&&(g=f[1]),2<c&&(h=f[2])):(d=c,g=+f,h=a);k.push([d,g,h])}.bind(this))}.bind(this));f=k;this.matrixX.set(f[0][0],f[1][0],f[2][0],f[3][0],f[4][0],f[5][0],f[6][0],f[7][0],f[8][0],f[9][0],f[10][0],f[11][0],f[12][0],f[13][0],f[14][0],f[15][0]);this.matrixY.set(f[0][1],f[1][1],f[2][1],f[3][1],f[4][1],f[5][1],f[6][1],f[7][1],f[8][1],f[9][1],f[10][1],f[11][1],
+h*r]);f+=m;s++});l+=n});this.line.set("attributes",{positionDU:b[h],positionDV:b[k]});this.mesh.set("attributes",{positionDU:b[h],positionDV:b[k]})}}});MathBox.Primitive.types.surface=MathBox.Surface;MathBox.BezierSurface=function(a){this.matrixX=new THREE.Matrix4;this.matrixY=new THREE.Matrix4;this.matrixZ=new THREE.Matrix4;this.coefficients=new THREE.Matrix4(-1,3,-3,1,3,-6,3,0,-3,3,0,0,1,0,0,0);MathBox.Surface.call(this,a)};
+MathBox.BezierSurface.prototype=_.extend(new MathBox.Surface(null),{defaults:function(){return{n:[64,64],domain:[[0,1],[0,1]],data:null,order:3,expression:function(){return 0},live:!0,points:!1,line:!1,mesh:!0,doubleSided:!0,flipSided:!1,shaded:!0,style:{}}},type:function(){return"bezierSurface"},calculate:function(){var a=this.vertices,b=this.get(),c=b.domain,e=b.data,d=b.order,g=b.shaded,k=b.n;"number"==typeof k&&(k=[k,k]);if(3!=d)throw"Bezier surface order must be 3.";var h=[],f;_.loop(d+1,function(a){_.loop(d+
+1,function(c){f=e&&void 0!==e[a]&&void 0!==e[a][c]?e[a][c]:b.expression.call(this,c,a,c,a);var d=0,g=0,k=0;f instanceof Array?(c=f.length,0<c&&(d=f[0]),1<c&&(g=f[1]),2<c&&(k=f[2])):(d=c,g=+f,k=a);h.push([d,g,k])}.bind(this))}.bind(this));f=h;this.matrixX.set(f[0][0],f[1][0],f[2][0],f[3][0],f[4][0],f[5][0],f[6][0],f[7][0],f[8][0],f[9][0],f[10][0],f[11][0],f[12][0],f[13][0],f[14][0],f[15][0]);this.matrixY.set(f[0][1],f[1][1],f[2][1],f[3][1],f[4][1],f[5][1],f[6][1],f[7][1],f[8][1],f[9][1],f[10][1],f[11][1],
 f[12][1],f[13][1],f[14][1],f[15][1]);this.matrixZ.set(f[0][2],f[1][2],f[2][2],f[3][2],f[4][2],f[5][2],f[6][2],f[7][2],f[8][2],f[9][2],f[10][2],f[11][2],f[12][2],f[13][2],f[14][2],f[15][2]);var l=this.coefficients;this.matrixX.multiplySelf(l).transpose().multiplySelf(l);this.matrixY.multiplySelf(l).transpose().multiplySelf(l);this.matrixZ.multiplySelf(l).transpose().multiplySelf(l);var l={bezierSurfaceX:this.matrixX,bezierSurfaceY:this.matrixY,bezierSurfaceZ:this.matrixZ},m=c[0][0],n=c[1][0],t=(c[0][1]-
-m)/(h[0]-1),s=(c[1][1]-n)/(h[1]-1),r=0;_.loop(h[1],function(b){m=c[0][0];_.loop(h[0],function(b){a[r].set(m,n,0);m+=t;r++}.bind(this));n+=s}.bind(this));l={uniforms:l,shaders:{position:function(a,b){g?(a.snippet("bezierSurface"+d),a.group(),a.snippet("mathTransform"),b.viewport(a),a.next(),a.snippet("mathTransform"),b.viewport(a),a.next(),a.snippet("mathTransform"),b.viewport(a),a.combine()):(a.snippet("bezierSurface"+d).snippet("mathTransform"),b.viewport(a))}}};this.mesh.set(l);this.line.set(l);
+m)/(k[0]-1),s=(c[1][1]-n)/(k[1]-1),r=0;_.loop(k[1],function(b){m=c[0][0];_.loop(k[0],function(b){a[r].set(m,n,0);m+=t;r++}.bind(this));n+=s}.bind(this));l={uniforms:l,shaders:{position:function(a,b){g?(a.snippet("bezierSurface"+d),a.group(),a.snippet("mathTransform"),b.viewport(a),a.next(),a.snippet("mathTransform"),b.viewport(a),a.next(),a.snippet("mathTransform"),b.viewport(a),a.combine()):(a.snippet("bezierSurface"+d).snippet("mathTransform"),b.viewport(a))}}};this.mesh.set(l);this.line.set(l);
 this.points.set(l)}});MathBox.Primitive.types.bezierSurface=MathBox.BezierSurface;MathBox.Platonic=function(a){null!==a&&MathBox.Primitive.call(this,a)};
 MathBox.Platonic.prototype=_.extend(new MathBox.Primitive(null),{defaults:function(){return{n:1,type:"cube",points:!1,line:!1,mesh:!0,doubleSided:!0,flipSided:!1,shaded:!0,style:{}}},type:function(){return"platonic"},renderables:function(){return[this.mesh,this.line,this.points]},adjust:function(a){a=this.get();this.mesh.show(a.mesh);this.line.show(a.line);this.points.show(a.points)},make:function(){var a=this.get(),b=this.style,c;switch(a.type){case "cube":c=new THREE.CubeGeometry(2,2,2,1,1,1)}this.mesh=
 new MathBox.Renderable.Mesh(c,{type:"mesh",doubleSided:a.doubleSided,flipSided:a.flipSided,shaded:a.shaded,smooth:!1,dynamic:a.live},b);this.line=new MathBox.Renderable.Mesh(c,{type:"mesh",shaded:a.shaded,smooth:!1,dynamic:a.live,wireframe:!0},b);this.points=new MathBox.Renderable.Mesh(c.vertices,{type:"points",dynamic:a.live},b)}});MathBox.Primitive.types.platonic=MathBox.Platonic;MathBox.Label=function(a){null!==a&&MathBox.Primitive.call(this,a)};
-MathBox.Label.prototype=_.extend(new MathBox.Primitive(null),{defaults:function(){return{position:[0,0,0],facing:1,distance:15,style:{color:new THREE.Color(7368816)},class_name:"mathbox-labels",text:""}},renderables:function(){return[this.labels]},type:function(){return"label"},adjust:function(a,b){var c=this.get(),e=[0,0,0];e[c.facing]=1;var d=this.labelTangent;d.set.apply(d,e);e=this.labelPoint;e.set.apply(e,c.position);this.labels.show(!0)},make:function(){var a=this.get(),b=a.position,c=a.text,
-e=a.distance,d=a.class_name,a=this.style,g=this.labelTangent=new THREE.Vector3,h=this.labelPoint=new THREE.Vector3,e={dynamic:!0,distance:e,class_name:d};h.set.apply(h,b);b=function(a){return c}.bind(this);this.labels=new MathBox.Renderable.Labels([h],g,b,e,a)}});MathBox.Label.validateArgs=function(a){return a};MathBox.Primitive.types.label=MathBox.Label;
+MathBox.Label.prototype=_.extend(new MathBox.Primitive(null),{defaults:function(){return{position:null,facing:1,distance:15,expression:function(){return 0},style:{color:new THREE.Color(7368816)},class_name:"mathbox-labels",text:""}},renderables:function(){return[this.labels]},type:function(){return"label"},adjust:function(a,b){var c=this.get(),e=[0,0,0];e[c.facing]=1;var d=this.labelTangent;d.set.apply(d,e);e=c.position;d=this.labelPoint;e?d.set.apply(d,e):d.set.apply(d,c.expression.call(this));this.labels.show(!0)},
+make:function(){var a=this.get(),b=a.position,c=a.text,e=a.distance,d=a.class_name,g=this.style,k=this.labelTangent=new THREE.Vector3,h=this.labelPoint=new THREE.Vector3,e={dynamic:!0,distance:e,class_name:d};b?h.set.apply(h,b):h.set.apply(h,a.expression.call(this));a=function(a){return c}.bind(this);this.labels=new MathBox.Renderable.Labels([h],k,a,e,g)}});MathBox.Label.validateArgs=function(a){return a};MathBox.Primitive.types.label=MathBox.Label;
 MathBox.Renderable=function(a,b){if(null!==a){this.id=++MathBox.Renderable.id;var c=this.defaults();a&&(a=_.extend(c,a||{}));this.set(a||c);this.geometry=this.material=this.object=null;this.visible=!0;this.style=b||new MathBox.Style;this.style.on("change",this.styleCallback=this.refreshStyle.bind(this));this.on("change",this.uniformsCallback=this.refreshOptions.bind(this));this.mathTransform=new THREE.Matrix4}};MathBox.Renderable.id=0;
 MathBox.Renderable.prototype={defaults:function(){return{}},make:function(a){},destroy:function(){},show:function(a){a=void 0===a?!0:!!a;a!=this.visible&&(this.visible=a,this.refresh())},isVisible:function(){return this.object&&this.object.visible},composeTransform:function(a,b,c){var e=THREE.Matrix4.__m1,d=THREE.Matrix4.__m2;e.identity();e.setRotationFromEuler(b,this.object.eulerOrder);d.makeScale(c.x,c.y,c.z);this.mathTransform.multiply(e,d);b=this.mathTransform.elements;b[12]=a.x;b[13]=a.y;b[14]=
 a.z},refreshStyle:function(a){var b=this.style.get();a=a||b;this.material&&this.material.applyUniforms(a);if(this.object){this.object.frustumCulled=!1;a.worldPosition&&(this.object.position=b.worldPosition);a.worldRotation&&(this.object.rotation=b.worldRotation);a.worldScale&&(this.object.scale=b.worldScale);if(a.mathPosition||a.mathRotation||a.mathScale)this.composeTransform(b.mathPosition,b.mathRotation,b.mathScale),this.material&&this.material.applyUniforms({mathTransform:this.mathTransform});
@@ -95,31 +95,31 @@ this.material.applyUniforms(b);(b=this.get().attributes)&&this.material.applyAtt
 MathBox.Renderable.Mesh.prototype=_.extend(new MathBox.Renderable(null),{defaults:function(){return{type:"points",doubleSided:!0,dynamic:!1,absolute:!1,strip:!0,shaders:{}}},make:function(a){var b=this.get(),c=b.type,e=b.strip,d={points:THREE.ParticleSystem,line:THREE.Line,mesh:THREE.Mesh}[c];if(!d)throw"Invalid Mesh type '"+c+"'";a=this.material=a.generic(b);var g;g=this.points;g instanceof Array?(g=this.geometry=new THREE.Geometry,g.vertices=this.points):g=this.geometry=g;g.dynamic=b.dynamic;switch(c){case "line":b=
 new THREE.Line(g,a,e?THREE.LineStrip:THREE.LinePieces);break;default:b=new d(g,a)}this.object=b;this.refresh()},adjust:function(a){this.get().dynamic&&(this.geometry.verticesNeedUpdate=!0);MathBox.Renderable.prototype.adjust.call(this,a)}});MathBox.Renderable.ArrowHead=function(a,b,c,e){this.from=a;this.to=b;MathBox.Renderable.call(this,c,e)};MathBox.Renderable.ArrowHead.geometry=new THREE.CylinderGeometry(0.33,0,1,16,1);
 MathBox.Renderable.ArrowHead.prototype=_.extend(new MathBox.Renderable(null),{defaults:function(){return{offset:0,absolute:!0,size:0.1}},make:function(a){var b=this.get();a=this.material=a.generic(b);this._from=new THREE.Vector3;this._to=new THREE.Vector3;this.diff=new THREE.Vector3;this.bi=new THREE.Vector3;this.normal=new THREE.Vector3(0,0,1);b=this.geometry=MathBox.Renderable.ArrowHead.geometry;this.object=new THREE.Mesh(b,a);this.refresh()},isVisible:function(){return this.visible&&0<this.style.get("opacity")},
-adjust:function(a){var b=this.get(),c=b.offset,e=this._from.copy(this.from),d=this._to.copy(this.to);this.mathTransform.multiplyVector3(e);this.mathTransform.multiplyVector3(d);a.to(e);a.to(d);e=this.diff.sub(e,d);if(0.001>e.length())this.object.visible=!1;else{this.object.visible=this.visible;e=e.normalize();this.normal.x=this.diff.y+0.1;this.normal.y=this.diff.z+0.2;this.normal.z=this.diff.x+0.3;this.normal.normalize();var g=this.bi.cross(this.normal,this.diff).normalize(),h=this.normal.cross(this.bi,
-this.diff),b=b.size,d=(new THREE.Matrix4(g.x,e.x,h.x,d.x,g.y,e.y,h.y,d.y,g.z,e.z,h.z,d.z,0,0,0,1)).scale(new THREE.Vector3(b,b,b));this.object.updateMatrix();this.object.matrix.multiplySelf(d);d.identity().setPosition({x:0,y:0.5-c,z:0});this.object.matrix.multiplySelf(d);this.object.matrixAutoUpdate=!1;this.object.matrixWorldNeedsUpdate=!0;MathBox.Renderable.prototype.adjust.call(this,a)}}});
+adjust:function(a){var b=this.get(),c=b.offset,e=this._from.copy(this.from),d=this._to.copy(this.to);this.mathTransform.multiplyVector3(e);this.mathTransform.multiplyVector3(d);a.to(e);a.to(d);e=this.diff.sub(e,d);if(0.001>e.length())this.object.visible=!1;else{this.object.visible=this.visible;e=e.normalize();this.normal.x=this.diff.y+0.1;this.normal.y=this.diff.z+0.2;this.normal.z=this.diff.x+0.3;this.normal.normalize();var g=this.bi.cross(this.normal,this.diff).normalize(),k=this.normal.cross(this.bi,
+this.diff),b=b.size,d=(new THREE.Matrix4(g.x,e.x,k.x,d.x,g.y,e.y,k.y,d.y,g.z,e.z,k.z,d.z,0,0,0,1)).scale(new THREE.Vector3(b,b,b));this.object.updateMatrix();this.object.matrix.multiplySelf(d);d.identity().setPosition({x:0,y:0.5-c,z:0});this.object.matrix.multiplySelf(d);this.object.matrixAutoUpdate=!1;this.object.matrixWorldNeedsUpdate=!0;MathBox.Renderable.prototype.adjust.call(this,a)}}});
 MathBox.Renderable.Ticks=function(a,b,c,e,d){this.points=a;this.signs=b;this.epsilon=c;MathBox.Renderable.call(this,e,d)};
 MathBox.Renderable.Ticks.prototype=_.extend(new MathBox.Renderable(null),{defaults:function(){return{dynamic:!1,absolute:!1,size:0.1}},make:function(a){var b=this.get(),c=this.points;a=this.material=a.generic({type:"line",shaders:{position:function(a,c){c.position(a,b);a.snippet("tickVertexSplit");a.group();c.viewport(a);a.next();c.viewport(a);a.combine();a.snippet("tickVertexJoin")}}});var e=this.geometry=new THREE.Geometry;e.vertices=c;this.object=new THREE.Line(e,a,THREE.LinePieces);this.refresh()},
 adjust:function(a){var b=this.get();this.material&&this.material.applyAttributes({tickSign:this.signs});this.material&&this.material.applyUniforms({tickEpsilon:this.epsilon,tickSize:b.size});b.dynamic&&(this.material.attributes.tickSign.needsUpdate=!0,this.geometry.verticesNeedUpdate=!0);MathBox.Renderable.prototype.adjust.call(this,a)}});MathBox.Renderable.Labels=function(a,b,c,e,d){this.points=a;this.tangent=b;this.callback=c;this.sprites=[];MathBox.Renderable.call(this,e,d)};
 MathBox.Renderable.Labels.prototype=_.extend(new MathBox.Renderable(null),{defaults:function(){return{absolute:!0,distance:15,size:1,class_name:"mathbox-labels"}},make:function(a){a=this.get();var b=this.tangent,c=this.sprites,e=a.class_name;a=this.points.length;this._anchor=new THREE.Vector3;var d=document.createElement("div"),g=this.object=new MathBox.Sprite(d);d.className=e;_.loop(a,function(a){a=document.createElement("div");var d=document.createElement("div");a.appendChild(d);var f=new MathBox.Sprite(a,
-b);"mathbox-labels"==e&&(a.className="mathbox-label");d.className="mathbox-wrap";d.style.position="relative";d.style.display="inline-block";d.style.left="-50%";d.style.top="-.5em";c.push(f);g.add(f)})},adjust:function(a,b,c,e,d){var g=this.get(),h=this.points;b=this.sprites;var k=this.callback,f=g.decimals,l=this.style.get("opacity"),m=window.MathJax&&MathJax.Hub,n=1/Math.log(10);_.each(b,function(b,c){b.position.copy(h[c]);a.to(b.position);d.matrix.multiplyVector3(b.position);b.distance=g.distance;
-b.opacity=l;var e="";if(k){e=k(c);void 0===e&&(e="");if(+e==e){var q=+e;if(0!=q)var e=0>q?-1:1,q=Math.abs(q),u=Math.pow(10,f-1-Math.floor(Math.log(q)*n)),e=q=e*Math.round(u*q)/u}m||(e=(""+e).replace(/^-/,"\u2013"))}b.content!==e&&(q=b.element.children[0],b.content=e,b.measure=!0,m?(q.innerHTML="\\("+e+"\\)",MathJax.Hub.queue.Push(["Typeset",MathJax.Hub,q])):q.innerHTML=e)});MathBox.Renderable.prototype.adjust.call(this,a)}});
+b);"mathbox-labels"==e&&(a.className="mathbox-label");d.className="mathbox-wrap";d.style.position="relative";d.style.display="inline-block";d.style.left="-50%";d.style.top="-.5em";c.push(f);g.add(f)})},adjust:function(a,b,c,e,d){var g=this.get(),k=this.points;b=this.sprites;var h=this.callback,f=g.decimals,l=this.style.get("opacity"),m=window.MathJax&&MathJax.Hub,n=1/Math.log(10);_.each(b,function(b,c){b.position.copy(k[c]);a.to(b.position);d.matrix.multiplyVector3(b.position);b.distance=g.distance;
+b.opacity=l;var e="";if(h){e=h(c);void 0===e&&(e="");if(+e==e){var q=+e;if(0!=q)var e=0>q?-1:1,q=Math.abs(q),u=Math.pow(10,f-1-Math.floor(Math.log(q)*n)),e=q=e*Math.round(u*q)/u}m||(e=(""+e).replace(/^-/,"\u2013"))}b.content!==e&&(q=b.element.children[0],b.content=e,b.measure=!0,m?(q.innerHTML="\\("+e+"\\)",MathJax.Hub.queue.Push(["Typeset",MathJax.Hub,q])):q.innerHTML=e)});MathBox.Renderable.prototype.adjust.call(this,a)}});
 MathBox.Viewport=function(a){if(null!==a){var b=this.defaults();a=_.extend(b,a||{});this.set(a);this.singleton="viewport";this._uniforms={}}};
 MathBox.Viewport.prototype={defaults:function(){return{type:"none",rotation:[0,0,0],position:[0,0,0]}},uniforms:function(){return this._uniforms},axis:function(a){return[0,1]},to:function(a){},from:function(a){},update:function(a){var b=this.get();_.each(["position","rotation"],function(c){a[c].set.apply(a[c],b[c])})},shader:function(a){a.snippet("mathToWorld")},validateRotation:function(a){return a.constructor==Array?(a=a.concat([0,0,0]),a.slice(0,3)):this.get("rotation")},validatePosition:function(a){return a.constructor==
 Array?(a=a.concat([0,0,0]),a.slice(0,3)):this.get("position")}};MathBox.Attributes.mixin(MathBox.Viewport,"type");MathBox.Viewport.types={};MathBox.Viewport.make=function(a){return new (MathBox.Viewport.types[a.type]||MathBox.Viewport.types.cartesian||MathBox.Viewport)(a)};
 MathBox.ViewportCartesian=function(a){if(null!==a){var b=MathBox.Viewport;b.call(this,a);this.super=b.prototype;this.transform=new THREE.Matrix4;this.inverse=new THREE.Matrix4;_.extend(this._uniforms,{viewportTransform:this.transform,viewportInverse:this.inverse})}};
-MathBox.ViewportCartesian.prototype=_.extend(new MathBox.Viewport(null),{defaults:function(){return{type:"cartesian",range:[[-1,1],[-1,1],[-1,1]],scale:[1,1,1],rotation:[0,0,0],position:[0,0,0]}},to:function(a){this.transform.multiplyVector3(a)},from:function(a){this.inverse.multiplyVector3(a)},axis:function(a){var b=this.get().range[a];a=b[0];var c=b[1],b=Math.min(a,c);a=Math.max(a,c);return[b,a]},update:function(a){var b=this.get(),c=b.range,e=b.scale,b=c[0][0],d=c[1][0],g=c[2][0],h=c[0][1]-b,k=
-c[1][1]-d,c=c[2][1]-g,f=e[0],l=e[1],e=e[2],m=[h/(2*f),0,0,b+h/2,0,k/(2*l),0,d+k/2,0,0,c/(2*e),g+c/2,0,0,0,1];this.transform.set.apply(this.transform,[2*f/h,0,0,-(2*b+h)*f/h,0,2*l/k,0,-(2*d+k)*l/k,0,0,2*e/c,-(2*g+c)*e/c,0,0,0,1]);this.inverse.set.apply(this.inverse,m);MathBox.Viewport.prototype.update.call(this,a)},validateRange:function(a){a=a||[];for(var b=0;3>b;++b){a[b]=a[b]||[];for(var c=0;2>c;++c)a[b][c]=void 0!==a[b][c]?a[b][c]:2*c-1}return a},validateScale:function(a){a=a||[];for(var b=0;3>
+MathBox.ViewportCartesian.prototype=_.extend(new MathBox.Viewport(null),{defaults:function(){return{type:"cartesian",range:[[-1,1],[-1,1],[-1,1]],scale:[1,1,1],rotation:[0,0,0],position:[0,0,0]}},to:function(a){this.transform.multiplyVector3(a)},from:function(a){this.inverse.multiplyVector3(a)},axis:function(a){var b=this.get().range[a];a=b[0];var c=b[1],b=Math.min(a,c);a=Math.max(a,c);return[b,a]},update:function(a){var b=this.get(),c=b.range,e=b.scale,b=c[0][0],d=c[1][0],g=c[2][0],k=c[0][1]-b,h=
+c[1][1]-d,c=c[2][1]-g,f=e[0],l=e[1],e=e[2],m=[k/(2*f),0,0,b+k/2,0,h/(2*l),0,d+h/2,0,0,c/(2*e),g+c/2,0,0,0,1];this.transform.set.apply(this.transform,[2*f/k,0,0,-(2*b+k)*f/k,0,2*l/h,0,-(2*d+h)*l/h,0,0,2*e/c,-(2*g+c)*e/c,0,0,0,1]);this.inverse.set.apply(this.inverse,m);MathBox.Viewport.prototype.update.call(this,a)},validateRange:function(a){a=a||[];for(var b=0;3>b;++b){a[b]=a[b]||[];for(var c=0;2>c;++c)a[b][c]=void 0!==a[b][c]?a[b][c]:2*c-1}return a},validateScale:function(a){a=a||[];for(var b=0;3>
 b;++b)a[b]=a[b]||1;return a}});MathBox.Attributes.mixin(MathBox.Viewport);MathBox.Viewport.types.cartesian=MathBox.ViewportCartesian;MathBox.ViewportPolar=function(a){var b=MathBox.ViewportCartesian;b.call(this,a);this.super=b.prototype;_.extend(this._uniforms,{polarAlpha:0,polarAspect:1,polarPower:1,polarFold:1,polarFocus:1,polarHelix:0})};
-MathBox.ViewportPolar.prototype=_.extend(new MathBox.ViewportCartesian(null),{defaults:function(){return{type:"polar",range:[[-1,1],[-1,1],[-1,1]],polar:1,fold:1,power:1,helix:0,scale:[1,1,1],rotation:[0,0,0],position:[0,0,0]}},to:function(a){var b=this._uniforms.polarAspect,c=this._uniforms.polarFocus,e=this._uniforms.polarAlpha,d=this._uniforms.polarPower,g=this._uniforms.polarHelix;a.x*=this._uniforms.polarFold;a.y=Math.sign(a.y)*Math.pow(Math.abs(a.y),d);if(1E-4<e){var d=c+a.y*b,h=a.x*e;a.z+=
-a.x*g*e;a.x=Math.sin(h)*d;a.y=(Math.cos(h)*d-c)/b}this.transform.multiplyVector3(a)},from:function(a){var b=this._uniforms.polarAspect,c=this._uniforms.polarFocus,e=this._uniforms.polarAlpha,d=this._uniforms.polarFold,g=this._uniforms.polarPower,h=this._uniforms.polarHelix;this.inverse.multiplyVector3(a);if(1E-4<e){var k=a.x,f=a.y*b+c,l=Math.sqrt(k*k+f*f);theta=Math.atan2(k,f);a.x=theta/e;a.y=(l-c)/b;a.z-=a.x*h*e}a.x/=d;a.y=Math.sign(a.y)*Math.pow(Math.abs(a.y),1/g)},axis:function(a){var b=this.super.axis.call(this,
-a);min=b[0];max=b[1];alpha=this._uniforms.polarAlpha;aspect=this._uniforms.polarAspect;focus=this._uniforms.polarFocus;1==a&&0<alpha&&(max=Math.max(Math.abs(max),Math.abs(min)),min=Math.max(-focus/aspect+0.001,min));return[min,max]},update:function(a){var b=this.get(),c=b.range,e=b.scale,d=b.polar,g=b.fold,h=b.power,b=b.helix,k=1,f=c[0][0],l=c[1][0],m=c[2][0],n=c[0][1]-f,t=c[1][1]-l,c=c[2][1]-m,s=e[0],r=e[1],e=e[2],k=0<n?1:-1,q=Math.abs(t),q=n+(q*k-n)*d,k=Math.abs(q/s/(t/r)),u=[q/(2*s),0,0,f+n/2,
-0,t/(2*r),0,l+t/2,0,0,c/(2*e),m+c/2,0,0,0,1];this.transform.set.apply(this.transform,[2*s/q,0,0,-(2*f+n)*s/n,0,2*r/t,0,-(2*l+t)*r/t,0,0,2*e/c,-(2*m+c)*e/c,0,0,0,1]);this.inverse.set.apply(this.inverse,u);this._uniforms.polarAlpha=d;this._uniforms.polarAspect=k;this._uniforms.polarFold=g;this._uniforms.polarPower=h;this._uniforms.polarFocus=0<d?1/d-1:0;this._uniforms.polarHelix=b;MathBox.Viewport.prototype.update.call(this,a)},shader:function(a){a.snippet("polarPower").snippet("cartesianToPolar").snippet("mathToWorld")},
+MathBox.ViewportPolar.prototype=_.extend(new MathBox.ViewportCartesian(null),{defaults:function(){return{type:"polar",range:[[-1,1],[-1,1],[-1,1]],polar:1,fold:1,power:1,helix:0,scale:[1,1,1],rotation:[0,0,0],position:[0,0,0]}},to:function(a){var b=this._uniforms.polarAspect,c=this._uniforms.polarFocus,e=this._uniforms.polarAlpha,d=this._uniforms.polarPower,g=this._uniforms.polarHelix;a.x*=this._uniforms.polarFold;a.y=Math.sign(a.y)*Math.pow(Math.abs(a.y),d);if(1E-4<e){var d=c+a.y*b,k=a.x*e;a.z+=
+a.x*g*e;a.x=Math.sin(k)*d;a.y=(Math.cos(k)*d-c)/b}this.transform.multiplyVector3(a)},from:function(a){var b=this._uniforms.polarAspect,c=this._uniforms.polarFocus,e=this._uniforms.polarAlpha,d=this._uniforms.polarFold,g=this._uniforms.polarPower,k=this._uniforms.polarHelix;this.inverse.multiplyVector3(a);if(1E-4<e){var h=a.x,f=a.y*b+c,l=Math.sqrt(h*h+f*f);theta=Math.atan2(h,f);a.x=theta/e;a.y=(l-c)/b;a.z-=a.x*k*e}a.x/=d;a.y=Math.sign(a.y)*Math.pow(Math.abs(a.y),1/g)},axis:function(a){var b=this.super.axis.call(this,
+a);min=b[0];max=b[1];alpha=this._uniforms.polarAlpha;aspect=this._uniforms.polarAspect;focus=this._uniforms.polarFocus;1==a&&0<alpha&&(max=Math.max(Math.abs(max),Math.abs(min)),min=Math.max(-focus/aspect+0.001,min));return[min,max]},update:function(a){var b=this.get(),c=b.range,e=b.scale,d=b.polar,g=b.fold,k=b.power,b=b.helix,h=1,f=c[0][0],l=c[1][0],m=c[2][0],n=c[0][1]-f,t=c[1][1]-l,c=c[2][1]-m,s=e[0],r=e[1],e=e[2],h=0<n?1:-1,q=Math.abs(t),q=n+(q*h-n)*d,h=Math.abs(q/s/(t/r)),u=[q/(2*s),0,0,f+n/2,
+0,t/(2*r),0,l+t/2,0,0,c/(2*e),m+c/2,0,0,0,1];this.transform.set.apply(this.transform,[2*s/q,0,0,-(2*f+n)*s/n,0,2*r/t,0,-(2*l+t)*r/t,0,0,2*e/c,-(2*m+c)*e/c,0,0,0,1]);this.inverse.set.apply(this.inverse,u);this._uniforms.polarAlpha=d;this._uniforms.polarAspect=h;this._uniforms.polarFold=g;this._uniforms.polarPower=k;this._uniforms.polarFocus=0<d?1/d-1:0;this._uniforms.polarHelix=b;MathBox.Viewport.prototype.update.call(this,a)},shader:function(a){a.snippet("polarPower").snippet("cartesianToPolar").snippet("mathToWorld")},
 validatePolar:function(a){return Math.max(0,Math.min(1,+a||0))},validateFold:function(a){return+a||0},validatePower:function(a){return+a||0},validateHelix:function(a){return+a||0}});MathBox.Attributes.mixin(MathBox.Viewport);MathBox.Viewport.types.polar=MathBox.ViewportPolar;MathBox.ViewportProjective=function(a){var b=MathBox.ViewportCartesian;b.call(this,a);this.super=b.prototype;_.extend(this._uniforms,{projectiveTransform:new THREE.Matrix4,projectiveInverse:new THREE.Matrix4})};
 MathBox.ViewportProjective.prototype=_.extend(new MathBox.ViewportCartesian(null),{defaults:function(){return{type:"projective",range:[[-1,1],[-1,1],[-1,1]],scale:[1,1,1],rotation:[0,0,0],position:[0,0,0],projective:[[1,0,0,0],[0,1,0,0],[0,0,1,0],[0,0,0,1]]}},to:function(a){this._uniforms.projectiveTransform.multiplyVector3(a);this.transform.multiplyVector3(a)},from:function(a){this.inverse.multiplyVector3(a);this._uniforms.projectiveInverse.multiplyVector3(a)},update:function(a){var b=this._uniforms.projectiveTransform,
 c=this.get("projective");b.set.apply(b,c[0].concat(c[1],c[2],c[3]));this._uniforms.projectiveInverse.getInverse(b);MathBox.ViewportCartesian.prototype.update.call(this,a)},shader:function(a){a.snippet("projectiveTransform").snippet("mathToWorld")},validateProjective:function(a){if(a.constructor==Array){for(var b=0;3>b;++b)a[b]=a[b]&&a.constructor==Array&&a[b]||[],a[b]=a[b].concat([0,0,0,0]).slice(0,4);return a}}});MathBox.Attributes.mixin(MathBox.Viewport);MathBox.Viewport.types.projective=MathBox.ViewportProjective;
 MathBox.ViewportSphere=function(a){var b=MathBox.ViewportCartesian;b.call(this,a);this.super=b.prototype;_.extend(this._uniforms,{sphereAlpha:0,sphereAspectX:1,sphereAspectY:1,sphereYScale:1,sphereFocus:1})};
-MathBox.ViewportSphere.prototype=_.extend(new MathBox.ViewportCartesian(null),{defaults:function(){return{type:"sphere",range:[[-1,1],[-1,1],[-1,1]],sphere:1,scale:[1,1,1],rotation:[0,0,0],position:[0,0,0]}},to:function(a){var b=this._uniforms.sphereAspectX,c=this._uniforms.sphereAspectY,e=this._uniforms.sphereYScale,d=this._uniforms.sphereFocus,g=this._uniforms.sphereAlpha;if(1E-4<g){var h=d+a.z*b,k=a.x*g,e=a.y*g/c*e,g=Math.cos(e)*h;a.x=Math.sin(k)*g;a.y=Math.sin(e)*h*c;a.z=(Math.cos(k)*g-d)/b}this.transform.multiplyVector3(a)},
-from:function(a){var b=this._uniforms.sphereAspectX,c=this._uniforms.sphereAspectY,e=this._uniforms.sphereYScale,d=this._uniforms.sphereFocus,g=this._uniforms.sphereAlpha;this.inverse.multiplyVector3(a);if(1E-4<g){var h=a.x,k=a.y/c,f=a.z*b+d,l=Math.sqrt(h*h+k*k+f*f),k=Math.atan2(k,Math.sqrt(h*h+f*f)),h=Math.atan2(h,f);a.x=h/g;a.y=k/g*c/e;a.z=(l-d)/b}},axis:function(a){var b=this.super.axis.call(this,a);min=b[0];max=b[1];alpha=this._uniforms.sphereAlpha;beta=this._uniforms.sphereBeta;aspectX=this._uniforms.sphereAspectX;
-aspectY=this._uniforms.sphereAspectY;focus=this._uniforms.sphereFocus;2==a&&0<alpha&&(max=Math.max(Math.abs(max),Math.abs(min)),min=Math.max(-focus/aspectX,min));return[min,max]},update:function(a){var b=this.get(),c=b.range,e=b.scale,b=b.sphere,d=0<b?1/b-1:0,g=c[0][0],h=c[1][0],k=c[2][0],f=c[0][1]-g,l=c[1][1]-h,c=c[2][1]-k,m=e[0],n=e[1],e=e[2],t=0<f?1:-1,s=0<l?1:-1,r=Math.abs(c),t=f+(r*t-f)*b,s=l+(r*s-l)*b,r=c/e;aspectX=t/m/r;aspectY=s/n/r/aspectX;aspectZ=l/f*m/n*2;yScale=Math.min(aspectY/b,1+(aspectZ-
-1)*b);r=[t/(2*m),0,0,g+f/2,0,s/(2*n),0,h+l/2,0,0,c/(2*e),k+c/2,0,0,0,1];this.transform.set.apply(this.transform,[2*m/t,0,0,-(2*g+f)*m/f,0,2*n/s,0,-(2*h+l)*n/l,0,0,2*e/c,-(2*k+c)*e/c,0,0,0,1]);this.inverse.set.apply(this.inverse,r);this._uniforms.sphereAlpha=b;this._uniforms.sphereAspectX=aspectX;this._uniforms.sphereAspectY=aspectY;this._uniforms.sphereYScale=yScale;this._uniforms.sphereFocus=d;MathBox.Viewport.prototype.update.call(this,a)},shader:function(a){a.snippet("cartesianToSphere").snippet("mathToWorld")},
+MathBox.ViewportSphere.prototype=_.extend(new MathBox.ViewportCartesian(null),{defaults:function(){return{type:"sphere",range:[[-1,1],[-1,1],[-1,1]],sphere:1,scale:[1,1,1],rotation:[0,0,0],position:[0,0,0]}},to:function(a){var b=this._uniforms.sphereAspectX,c=this._uniforms.sphereAspectY,e=this._uniforms.sphereYScale,d=this._uniforms.sphereFocus,g=this._uniforms.sphereAlpha;if(1E-4<g){var k=d+a.z*b,h=a.x*g,e=a.y*g/c*e,g=Math.cos(e)*k;a.x=Math.sin(h)*g;a.y=Math.sin(e)*k*c;a.z=(Math.cos(h)*g-d)/b}this.transform.multiplyVector3(a)},
+from:function(a){var b=this._uniforms.sphereAspectX,c=this._uniforms.sphereAspectY,e=this._uniforms.sphereYScale,d=this._uniforms.sphereFocus,g=this._uniforms.sphereAlpha;this.inverse.multiplyVector3(a);if(1E-4<g){var k=a.x,h=a.y/c,f=a.z*b+d,l=Math.sqrt(k*k+h*h+f*f),h=Math.atan2(h,Math.sqrt(k*k+f*f)),k=Math.atan2(k,f);a.x=k/g;a.y=h/g*c/e;a.z=(l-d)/b}},axis:function(a){var b=this.super.axis.call(this,a);min=b[0];max=b[1];alpha=this._uniforms.sphereAlpha;beta=this._uniforms.sphereBeta;aspectX=this._uniforms.sphereAspectX;
+aspectY=this._uniforms.sphereAspectY;focus=this._uniforms.sphereFocus;2==a&&0<alpha&&(max=Math.max(Math.abs(max),Math.abs(min)),min=Math.max(-focus/aspectX,min));return[min,max]},update:function(a){var b=this.get(),c=b.range,e=b.scale,b=b.sphere,d=0<b?1/b-1:0,g=c[0][0],k=c[1][0],h=c[2][0],f=c[0][1]-g,l=c[1][1]-k,c=c[2][1]-h,m=e[0],n=e[1],e=e[2],t=0<f?1:-1,s=0<l?1:-1,r=Math.abs(c),t=f+(r*t-f)*b,s=l+(r*s-l)*b,r=c/e;aspectX=t/m/r;aspectY=s/n/r/aspectX;aspectZ=l/f*m/n*2;yScale=Math.min(aspectY/b,1+(aspectZ-
+1)*b);r=[t/(2*m),0,0,g+f/2,0,s/(2*n),0,k+l/2,0,0,c/(2*e),h+c/2,0,0,0,1];this.transform.set.apply(this.transform,[2*m/t,0,0,-(2*g+f)*m/f,0,2*n/s,0,-(2*k+l)*n/l,0,0,2*e/c,-(2*h+c)*e/c,0,0,0,1]);this.inverse.set.apply(this.inverse,r);this._uniforms.sphereAlpha=b;this._uniforms.sphereAspectX=aspectX;this._uniforms.sphereAspectY=aspectY;this._uniforms.sphereYScale=yScale;this._uniforms.sphereFocus=d;MathBox.Viewport.prototype.update.call(this,a)},shader:function(a){a.snippet("cartesianToSphere").snippet("mathToWorld")},
 validateSphere:function(a){return Math.max(0,Math.min(1,+a||0))}});MathBox.Attributes.mixin(MathBox.Viewport);MathBox.Viewport.types.sphere=MathBox.ViewportSphere;
diff --git a/build/MathBox.js b/build/MathBox.js
index b04d1d1..b5c1f7d 100644
--- a/build/MathBox.js
+++ b/build/MathBox.js
@@ -6701,9 +6701,10 @@ MathBox.Label.prototype = _.extend(new MathBox.Primitive(null), {
 
   defaults: function () {
     return {
-      position: [0, 0, 0],
+      position: null,
       facing: 1,
       distance: 15,
+      expression: function () { return 0; },
       style: {
         color: new THREE.Color(0x707070),
       },
@@ -6732,7 +6733,11 @@ MathBox.Label.prototype = _.extend(new MathBox.Primitive(null), {
 
     var position = options.position;
     var labelPoint = this.labelPoint;
-    labelPoint.set.apply(labelPoint, position);
+    if (position){
+	labelPoint.set.apply(labelPoint, position);
+    }else{
+	labelPoint.set.apply(labelPoint, options.expression.call(this));
+    }
 
     this.labels.show(true);
   },
@@ -6744,11 +6749,16 @@ MathBox.Label.prototype = _.extend(new MathBox.Primitive(null), {
       distance = options.distance,
       class_name = options.class_name,
       style = this.style,
-    labelTangent = this.labelTangent = new THREE.Vector3(),
+      labelTangent = this.labelTangent = new THREE.Vector3(),
       labelPoint  = this.labelPoint = new THREE.Vector3();
 
     var labelOptions = { dynamic: true, distance: distance, class_name: class_name };
-    labelPoint.set.apply(labelPoint, position)
+    if (position){
+	labelPoint.set.apply(labelPoint, position);
+    }else{
+	labelPoint.set.apply(labelPoint, options.expression.call(this));
+    }
+    // labelPoint.set.apply(labelPoint, position);
     // label text callback
     var callback = function (i) {
       return text;
diff --git a/build/MathBox.min.js b/build/MathBox.min.js
index 7422699..fc1be90 100644
--- a/build/MathBox.min.js
+++ b/build/MathBox.min.js
@@ -168,8 +168,8 @@ m)/(h[0]-1),t=(c[1][1]-q)/(h[1]-1),s=0;_.loop(h[1],function(b){m=c[0][0];_.loop(
 this.points.set(l)}});MathBox.Primitive.types.bezierSurface=MathBox.BezierSurface;MathBox.Platonic=function(a){null!==a&&MathBox.Primitive.call(this,a)};
 MathBox.Platonic.prototype=_.extend(new MathBox.Primitive(null),{defaults:function(){return{n:1,type:"cube",points:!1,line:!1,mesh:!0,doubleSided:!0,flipSided:!1,shaded:!0,style:{}}},type:function(){return"platonic"},renderables:function(){return[this.mesh,this.line,this.points]},adjust:function(a){a=this.get();this.mesh.show(a.mesh);this.line.show(a.line);this.points.show(a.points)},make:function(){var a=this.get(),b=this.style,c;switch(a.type){case "cube":c=new THREE.CubeGeometry(2,2,2,1,1,1)}this.mesh=
 new MathBox.Renderable.Mesh(c,{type:"mesh",doubleSided:a.doubleSided,flipSided:a.flipSided,shaded:a.shaded,smooth:!1,dynamic:a.live},b);this.line=new MathBox.Renderable.Mesh(c,{type:"mesh",shaded:a.shaded,smooth:!1,dynamic:a.live,wireframe:!0},b);this.points=new MathBox.Renderable.Mesh(c.vertices,{type:"points",dynamic:a.live},b)}});MathBox.Primitive.types.platonic=MathBox.Platonic;MathBox.Label=function(a){null!==a&&MathBox.Primitive.call(this,a)};
-MathBox.Label.prototype=_.extend(new MathBox.Primitive(null),{defaults:function(){return{position:[0,0,0],facing:1,distance:15,style:{color:new THREE.Color(7368816)},class_name:"mathbox-labels",text:""}},renderables:function(){return[this.labels]},type:function(){return"label"},adjust:function(a,b){var c=this.get(),d=[0,0,0];d[c.facing]=1;var e=this.labelTangent;e.set.apply(e,d);d=this.labelPoint;d.set.apply(d,c.position);this.labels.show(!0)},make:function(){var a=this.get(),b=a.position,c=a.text,
-d=a.distance,e=a.class_name,a=this.style,f=this.labelTangent=new THREE.Vector3,h=this.labelPoint=new THREE.Vector3,d={dynamic:!0,distance:d,class_name:e};h.set.apply(h,b);b=function(a){return c}.bind(this);this.labels=new MathBox.Renderable.Labels([h],f,b,d,a)}});MathBox.Label.validateArgs=function(a){return a};MathBox.Primitive.types.label=MathBox.Label;
+MathBox.Label.prototype=_.extend(new MathBox.Primitive(null),{defaults:function(){return{position:null,facing:1,distance:15,expression:function(){return 0},style:{color:new THREE.Color(7368816)},class_name:"mathbox-labels",text:""}},renderables:function(){return[this.labels]},type:function(){return"label"},adjust:function(a,b){var c=this.get(),d=[0,0,0];d[c.facing]=1;var e=this.labelTangent;e.set.apply(e,d);d=c.position;e=this.labelPoint;d?e.set.apply(e,d):e.set.apply(e,c.expression.call(this));this.labels.show(!0)},
+make:function(){var a=this.get(),b=a.position,c=a.text,d=a.distance,e=a.class_name,f=this.style,h=this.labelTangent=new THREE.Vector3,k=this.labelPoint=new THREE.Vector3,d={dynamic:!0,distance:d,class_name:e};b?k.set.apply(k,b):k.set.apply(k,a.expression.call(this));a=function(a){return c}.bind(this);this.labels=new MathBox.Renderable.Labels([k],h,a,d,f)}});MathBox.Label.validateArgs=function(a){return a};MathBox.Primitive.types.label=MathBox.Label;
 MathBox.Renderable=function(a,b){if(null!==a){this.id=++MathBox.Renderable.id;var c=this.defaults();a&&(a=_.extend(c,a||{}));this.set(a||c);this.geometry=this.material=this.object=null;this.visible=!0;this.style=b||new MathBox.Style;this.style.on("change",this.styleCallback=this.refreshStyle.bind(this));this.on("change",this.uniformsCallback=this.refreshOptions.bind(this));this.mathTransform=new THREE.Matrix4}};MathBox.Renderable.id=0;
 MathBox.Renderable.prototype={defaults:function(){return{}},make:function(a){},destroy:function(){},show:function(a){a=void 0===a?!0:!!a;a!=this.visible&&(this.visible=a,this.refresh())},isVisible:function(){return this.object&&this.object.visible},composeTransform:function(a,b,c){var d=THREE.Matrix4.__m1,e=THREE.Matrix4.__m2;d.identity();d.setRotationFromEuler(b,this.object.eulerOrder);e.makeScale(c.x,c.y,c.z);this.mathTransform.multiply(d,e);b=this.mathTransform.elements;b[12]=a.x;b[13]=a.y;b[14]=
 a.z},refreshStyle:function(a){var b=this.style.get();a=a||b;this.material&&this.material.applyUniforms(a);if(this.object){this.object.frustumCulled=!1;a.worldPosition&&(this.object.position=b.worldPosition);a.worldRotation&&(this.object.rotation=b.worldRotation);a.worldScale&&(this.object.scale=b.worldScale);if(a.mathPosition||a.mathRotation||a.mathScale)this.composeTransform(b.mathPosition,b.mathRotation,b.mathScale),this.material&&this.material.applyUniforms({mathTransform:this.mathTransform});