refactor: float[2] -> RcVec2f

src/DotRecast.Core/RcVec2f.cs

@@ -10,6 +10,12 @@ public struct RcVec2f
 
         public static RcVec2f Zero { get; } = new RcVec2f { X = 0, Y = 0 };
 
+        public RcVec2f(float x, float y)
+        {
+            X = x;
+            Y = y;
+        }
+
         [MethodImpl(MethodImplOptions.AggressiveInlining)]
         public float Get(int idx)
         {

src/DotRecast.Recast.Demo/Draw/DebugDraw.cs

@@ -636,10 +636,10 @@ public RcMatrix4x4f ProjectionMatrix(float fovy, float aspect, float near, float
         return _projectionMatrix;
     }
 
-    public RcMatrix4x4f ViewMatrix(RcVec3f cameraPos, float[] cameraEulers)
+    public RcMatrix4x4f ViewMatrix(RcVec3f cameraPos, RcVec2f cameraEulers)
     {
-        var rx = RcMatrix4x4f.CreateFromRotate(cameraEulers[0], 1, 0, 0);
-        var ry = RcMatrix4x4f.CreateFromRotate(cameraEulers[1], 0, 1, 0);
+        var rx = RcMatrix4x4f.CreateFromRotate(cameraEulers.X, 1, 0, 0);
+        var ry = RcMatrix4x4f.CreateFromRotate(cameraEulers.Y, 0, 1, 0);
         var r = RcMatrix4x4f.Mul(ref rx, ref ry);
 
         var t = new RcMatrix4x4f();

src/DotRecast.Recast.Demo/RecastDemo.cs

@@ -78,19 +78,19 @@ public class RecastDemo : IRecastDemoChannel
     private bool processHitTestShift;
     private int _modState;
 
-    private readonly float[] mousePos = new float[2];
+    private RcVec2f mousePos = new RcVec2f();
 
     private bool _mouseOverMenu;
     private bool pan;
     private bool movedDuringPan;
     private bool rotate;
     private bool movedDuringRotate;
     private float scrollZoom;
-    private readonly float[] origMousePos = new float[2];
-    private readonly float[] origCameraEulers = new float[2];
+    private RcVec2f origMousePos = new RcVec2f();
+    private RcVec2f origCameraEulers = new RcVec2f();
     private RcVec3f origCameraPos = new RcVec3f();
 
-    private readonly float[] cameraEulers = { 45, -45 };
+    private RcVec2f cameraEulers = new RcVec2f(45, -45);
     private RcVec3f cameraPos = RcVec3f.Of(0, 0, 0);
 
 
@@ -155,14 +155,14 @@ public void OnMouseScrolled(IMouse mice, ScrollWheel scrollWheel)
 
     public void OnMouseMoved(IMouse mouse, Vector2 position)
     {
-        mousePos[0] = (float)position.X;
-        mousePos[1] = (float)position.Y;
-        int dx = (int)(mousePos[0] - origMousePos[0]);
-        int dy = (int)(mousePos[1] - origMousePos[1]);
+        mousePos.X = position.X;
+        mousePos.Y = position.Y;
+        int dx = (int)(mousePos.X - origMousePos.X);
+        int dy = (int)(mousePos.Y - origMousePos.Y);
         if (rotate)
         {
-            cameraEulers[0] = origCameraEulers[0] + dy * 0.25f;
-            cameraEulers[1] = origCameraEulers[1] + dx * 0.25f;
+            cameraEulers.X = origCameraEulers.X + dy * 0.25f;
+            cameraEulers.Y = origCameraEulers.Y + dx * 0.25f;
             if (dx * dx + dy * dy > 3 * 3)
             {
                 movedDuringRotate = true;
@@ -199,10 +199,8 @@ public void OnMouseUpAndDown(IMouse mouse, MouseButton button, bool down)
                     // Rotate view
                     rotate = true;
                     movedDuringRotate = false;
-                    origMousePos[0] = mousePos[0];
-                    origMousePos[1] = mousePos[1];
-                    origCameraEulers[0] = cameraEulers[0];
-                    origCameraEulers[1] = cameraEulers[1];
+                    origMousePos = mousePos;
+                    origCameraEulers = cameraEulers;
                 }
             }
             else if (button == MouseButton.Middle)
@@ -212,11 +210,8 @@ public void OnMouseUpAndDown(IMouse mouse, MouseButton button, bool down)
                     // Pan view
                     pan = true;
                     movedDuringPan = false;
-                    origMousePos[0] = mousePos[0];
-                    origMousePos[1] = mousePos[1];
-                    origCameraPos.X = cameraPos.X;
-                    origCameraPos.Y = cameraPos.Y;
-                    origCameraPos.Z = cameraPos.Z;
+                    origMousePos = mousePos;
+                    origCameraPos = cameraPos;
                 }
             }
         }
@@ -513,8 +508,8 @@ private void OnWindowUpdate(double dt)
             RcVec3f rayStart = new RcVec3f();
             RcVec3f rayEnd = new RcVec3f();
 
-            GLU.GlhUnProjectf(mousePos[0], viewport[3] - 1 - mousePos[1], 0.0f, modelviewMatrix, projectionMatrix, viewport, ref rayStart);
-            GLU.GlhUnProjectf(mousePos[0], viewport[3] - 1 - mousePos[1], 1.0f, modelviewMatrix, projectionMatrix, viewport, ref rayEnd);
+            GLU.GlhUnProjectf(mousePos.X, viewport[3] - 1 - mousePos.Y, 0.0f, modelviewMatrix, projectionMatrix, viewport, ref rayStart);
+            GLU.GlhUnProjectf(mousePos.X, viewport[3] - 1 - mousePos.Y, 1.0f, modelviewMatrix, projectionMatrix, viewport, ref rayEnd);
 
             SendMessage(new RaycastEvent()
             {
@@ -578,8 +573,8 @@ private void OnWindowUpdate(double dt)
                 cameraPos.Y = (bmax.Y + bmin.Y) / 2 + camr;
                 cameraPos.Z = (bmax.Z + bmin.Z) / 2 + camr;
                 camr *= 5;
-                cameraEulers[0] = 45;
-                cameraEulers[1] = -45;
+                cameraEulers.X = 45;
+                cameraEulers.Y = -45;
             }
 
             _sample.SetChanged(false);