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playground.html
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<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="utf-8">
<meta name="viewport" content="user-scalable=no, width=device-width, initial-scale=1, maximum-scale=1">
<title>Waterbear Playground</title>
<link rel="stylesheet" href="lib/reset.css">
<link rel="stylesheet" href="lib/notiFire.css">
<link rel="stylesheet" href="css/widget.css">
<link rel="stylesheet" href="css/block.css">
<link rel="stylesheet" href="css/block_colors.css">
<link rel="stylesheet" href="css/app.css">
<!-- <script src="lib/prefixfree.min.js"></script> -->
<script src="lib/ga.js"></script>
</head>
<body>
<header>
<a href="index.html"><img src="images/logo/waterbear_icon_logo.svg"></a>
<h1>Waterbear Playground</h1>
</header>
<wb-hbox>
<wb-vbox>
<div class="menu">
<button class="open-files">File</button>
<button class="undo" id="undoButton" title="Ctrl-Z or ⌘-Z">Undo</button>
<button class="redo" id="redoButton" title="Ctrl-Y or ⌘-Shift-Z">Redo</button>
<button class="open-example">Examples</button>
</div>
<wb-workbox>
<sidebar>
<wb-search></wb-search>
<wb-accordion class="control">
<header>
<img class="cat-icon" src="images/icon/control.svg"> Controls
</header>
<p>Contains flow control, messaging, looping, variables, and conditionals.</p>
<wb-context ns="control" toplevel="true" fn="eachFrame">
<wb-row>
<wb-value>each frame</wb-value>
</wb-row>
<wb-row>
<wb-local>
<wb-expression type="number" ns="control" fn="frame">
<wb-value value="frame">frame</wb-value>
</wb-expression>
</wb-local>
<wb-local>
<wb-expression type="number" ns="control" fn="elapsed">
<wb-value value="elapsed">elapsed</wb-value>
</wb-expression>
</wb-local>
</wb-row>
</wb-context>
<wb-step ns="control" fn="setVariable" specialform>
<wb-row>
<wb-value>set</wb-value>
<wb-local renameable="true">
<wb-expression type="any" ns="control" fn="getVariable">
<wb-value type="text" allow="literal" value="variable"></wb-value>
</wb-expression>
</wb-local>
<wb-value type="any">to</wb-value>
</wb-row>
</wb-step>
<wb-step ns="control" fn="updateVariable">
<wb-row>
<wb-value type="any" allow="variable">update</wb-value>
<wb-value type="any">to</wb-value>
</wb-row>
</wb-step>
<wb-context ns="control" fn="loopOver">
<wb-row>
<wb-value type="any">loop over</wb-value>
</wb-row>
<wb-row>
<wb-local renameable="true">
<wb-expression type="any" ns="control" fn="getVariable">
<wb-value type="text" allow="literal" value="indexOrKey"></wb-value>
</wb-expression>
</wb-local>
<wb-local renameable="true">
<wb-expression type="any" ns="control" fn="getVariable">
<wb-value type="text" allow="literal" value="value"></wb-value>
</wb-expression>
</wb-local>
</wb-row>
</wb-context>
<wb-step ns="control" fn="broadcast">
<wb-value type="text">broadcast</wb-value>
<wb-value type="any" optional="true">message with data</wb-value>
</wb-step>
<wb-context ns="control" fn="receive">
<wb-row>
<wb-value type="text">when I receive message</wb-value>
</wb-row>
<wb-row>
<wb-value>with data</wb-value>
<wb-local renameable="true">
<wb-expression type="any" ns="control" fn="getVariable">
<wb-value type="text" allow="literal" value="data"></wb-value>
</wb-expression>
</wb-local>
</wb-row>
</wb-context>
<wb-context ns="control" fn="if">
<wb-value type="boolean" value="true">if</wb-value>
</wb-context>
<wb-context ns="control" fn="ifElse">
<header>
<wb-value type="boolean" value="true">if</wb-value>
</header>
<wb-contains></wb-contains>
<header>
<wb-value>else</wb-value>
</header>
<wb-contains></wb-contains>
</wb-context>
<wb-expression type="any" ns="control" fn="ternary" specialform>
<wb-value type="boolean" value="true">if</wb-value>
<wb-value type="any">then</wb-value>
<wb-value type="any">else</wb-value>
</wb-expression>
<wb-step ns="control" fn="log">
<wb-value type="any">log</wb-value>
</wb-step>
<wb-step ns="control" fn="ask">
<wb-row>
<wb-value type="text,string">Ask</wb-value>
<wb-value>and store answer as</wb-value>
<wb-local renameable="true">
<wb-expression type="any" ns="control" fn="getVariable">
<wb-value type="text" allow="literal" value="answer"></wb-value>
</wb-expression>
</wb-local>
</wb-row>
</wb-step>
<wb-context ns="control" fn="commentContext">
<wb-value>ignore blocks</wb-value>
</wb-context>
<wb-step ns="control" fn="comment">
<wb-value type="text">comment</wb-value>
</wb-step>
<wb-step ns="control" fn="alert">
<wb-value type="text,string">alert</wb-value>
</wb-step>
</wb-accordion>
<wb-accordion class="sprite">
<header>
<img class="cat-icon" src="images/icon/sprite.svg"> Sprites
</header>
<p>Sprites are images or shapes that can have momentum and heading direction applied to them for animation and games.</p>
<wb-expression type="sprite" ns="sprite" fn="create">
<wb-value type="wb-image,shape,sprite">sprite with</wb-value>
</wb-expression>
<wb-step ns="sprite" fn="accelerate">
<wb-value type="sprite"></wb-value>
<wb-value type="number">accelerate by</wb-value>
</wb-step>
<wb-step ns="sprite" fn="setVelocity">
<wb-value type="sprite"></wb-value>
<wb-value type="vector">set velocity to</wb-value>
</wb-step>
<wb-expression type="vector" ns="sprite" fn="getVelocity">
<wb-value type="sprite">get velocity</wb-value>
</wb-expression>
<wb-expression type="number" ns="sprite" fn="getSpeed">
<wb-value type="sprite">get speed</wb-value>
</wb-expression>
<wb-expression type="number" ns="sprite" fn="getXvel">
<wb-value type="sprite">get X velocity</wb-value>
</wb-expression>
<wb-expression type="number" ns="sprite" fn="getYvel">
<wb-value type="sprite">get Y velocity</wb-value>
</wb-expression>
<wb-expression type="number" ns="sprite" fn="getXpos">
<wb-value type="sprite">get X position</wb-value>
</wb-expression>
<wb-expression type="number" ns="sprite" fn="getYpos">
<wb-value type="sprite">get Y position</wb-value>
</wb-expression>
<wb-step ns="sprite" fn="rotate">
<wb-value type="sprite">rotate</wb-value>
<wb-value type="number">by</wb-value>
</wb-step>
<wb-step ns="sprite" fn="rotateTo">
<wb-row>
<wb-value type="sprite">rotate</wb-value>
</wb-row>
<wb-row>
<wb-value type="number">to</wb-value>
<wb-unit>degrees</wb-unit>
</wb-row>
</wb-step>
<wb-step ns="sprite" fn="move">
<wb-value type="sprite">move</wb-value>
</wb-step>
<wb-step ns="sprite" fn="moveTo">
<wb-value type="sprite"></wb-value>
<wb-value type="vector">move to</wb-value>
</wb-step>
<wb-step ns="sprite" fn="draw">
<wb-value type="sprite">draw</wb-value>
</wb-step>
<wb-step ns="sprite" fn="applyForce">
<wb-value type="sprite"></wb-value>
<wb-value type="vector">apply force</wb-value>
</wb-step>
<wb-step ns="sprite" fn="bounceAtEdge">
<wb-value type="sprite">bounce at edge</wb-value>
</wb-step>
<wb-step ns="sprite" fn="wrapAtEdge">
<wb-value type="sprite">wrap at edge</wb-value>
</wb-step>
<wb-step ns="sprite" fn="stopAtEdge">
<wb-value type="sprite">stop at edge</wb-value>
</wb-step>
<wb-expression type="boolean" ns="sprite" fn="checkForCollision">
<wb-value type="sprite">is collision</wb-value>
<wb-value type="sprite"></wb-value>
</wb-expression>
</wb-accordion>
<wb-accordion class="sound">
<header>
<img class="cat-icon" src="images/icon/sound.svg"> Sound
</header>
<p>Play and manipulate existing sound files or synthesize new sounds.</p>
<wb-expression type="sound" ns="sound" fn="get">
<wb-value>synth</wb-value>
<wb-value type="list" allow="literal" options="sin, saw, tri, pulse, fami" value="sin">wave</wb-value>
<wb-value type="number" value="10">attack</wb-value>
<wb-value type="number" value="300">release</wb-value>
</wb-expression>
<wb-expression type="audio" ns="sound" fn="getAudio">
<wb-value type="text" value="/sounds/pianoA.wav">audio</wb-value>
</wb-expression>
<wb-step ns="sound" fn="addNote">
<wb-value type="list" allow="literal" options="C,C#/Db,D,D#/Eb,E,F,F#/Gb,G,G#/Ab,A,A#/Bb,B,Rest" value="C">note</wb-value>
<wb-value type="list" allow="literal" options="1,2,3,4,5,6,7,8" value="4">octave</wb-value>
<wb-value type="list" allow="literal" options="1/32,1/16,1/8,1/4,1/2,1" value="1/4">beats</wb-value>
</wb-step>
<wb-step ns="sound" fn="playChord">
<wb-value>play chord</wb-value>
<wb-value type="sound">synth</wb-value>
<wb-row>
<wb-value type="list" allow="literal" options="C,C#/Db,D,D#/Eb,E,F,F#/Gb,G,G#/Ab,A,A#/Bb,B,Rest" value="C">note</wb-value>
<wb-value type="list" allow="literal" options="1,2,3,4,5,6,7,8" value="4">octave</wb-value>
<button class="remove-item">-</button>
<button class="add-item">+</button>
</wb-row>
</wb-step>
<wb-step ns="sound" fn="playAudio">
<wb-value type="audio">play audio</wb-value>
</wb-step>
<wb-step ns="sound" fn="playNotes">
<wb-value type="sound">play notes</wb-value>
</wb-step>
<wb-step ns="sound" fn="playMML">
<wb-value type="sound">synth</wb-value>
<wb-value type="text">mml</wb-value>
</wb-step>
<wb-step ns="sound" fn="tempoChange">
<wb-value type="number" value="120">set tempo</wb-value>
</wb-step>
<wb-step ns="sound" fn="pauseAudio">
<wb-value type="audio">pause</wb-value>
</wb-step>
<wb-step ns="sound" fn="keys">
<wb-value>keys</wb-value>
<wb-value type="sound">synth</wb-value>
</wb-step>
<wb-step ns="sound" fn="soundEffect">
<wb-value type="list" allow="literal" options="laser, alarm" value="laser">sound effect</wb-value>
</wb-step>
</wb-accordion>
<wb-accordion class="array">
<header>
<img class="cat-icon" src="images/icon/array.svg"> Arrays
</header>
<p>Arrays are lists of things. You can add, remove, and loop over these lists.</p>
<wb-expression type="array" ns="array" fn="create">
<wb-value>create array</wb-value>
<wb-row>
<wb-value type="any"></wb-value>
<button class="remove-item">-</button>
<button class="add-item">+</button>
</wb-row>
</wb-expression>
<wb-expression type="array" ns="array" fn="copy">
<wb-value type="array">copy array</wb-value>
</wb-expression>
<wb-expression type="any" ns="array" fn="itemAt">
<wb-value type="array">item from</wb-value>
<wb-value type="number" value="0" min="0">at index</wb-value>
</wb-expression>
<wb-expression type="array" ns="array" fn="join">
<wb-value type="array">combine</wb-value>
<wb-value type="array">with</wb-value>
</wb-expression>
<wb-expression type="string" ns="array" fn="makeString">
<wb-value type="array">Make string from</wb-value>
<wb-value type="text">separated by</wb-value>
</wb-expression>
<wb-step ns="array" fn="append">
<wb-value type="array"></wb-value>
<wb-value type="any">append</wb-value>
</wb-step>
<wb-step ns="array" fn="prepend">
<wb-value type="array"></wb-value>
<wb-value type="any">prepend</wb-value>
</wb-step>
<wb-expression type="number" ns="array" fn="length">
<wb-value type="array,string">length</wb-value>
</wb-expression>
<wb-step ns="array" fn="removeItem">
<wb-value type="array"></wb-value>
<wb-value type="number" min="0" value="0">remove item at</wb-value>
</wb-step>
<wb-expression type="any" ns="array" fn="pop">
<wb-value type="array">remove last value</wb-value>
</wb-expression>
<wb-expression type="any" ns="array" fn="shift">
<wb-value type="array">remove first value</wb-value>
</wb-expression>
<wb-expression type="array" ns="array" fn="reverse">
<wb-value type="array">reverse</wb-value>
</wb-expression>
</wb-accordion>
<wb-accordion class="boolean">
<header>
<img class="cat-icon" src="images/icon/boolean.svg"> Boolean
</header>
<p>Booleans are either True or False. There are many operations for comparing and mixing them.</p>
<wb-expression type="boolean" ns="boolean" fn="true">
<wb-value value="true">true</wb-value>
</wb-expression>
<wb-expression type="boolean" ns="boolean" fn="false">
<wb-value value="false">false</wb-value>
</wb-expression>
<wb-expression type="boolean" ns="boolean" fn="and">
<wb-value type="boolean" value="true"></wb-value>
<wb-value type="boolean" value="true">and</wb-value>
</wb-expression>
<wb-expression type="boolean" ns="boolean" fn="or">
<wb-value type="boolean" value="true"></wb-value>
<wb-value type="boolean" value="true">or</wb-value>
</wb-expression>
<wb-expression type="boolean" ns="boolean" fn="xor">
<wb-value type="boolean" value="true"></wb-value>
<wb-value type="boolean" value="true">xor</wb-value>
</wb-expression>
<wb-expression type="boolean" ns="boolean" fn="not">
<wb-value type="boolean" value="true">not</wb-value>
</wb-expression>
</wb-accordion>
<wb-accordion class="date">
<header>
<img class="cat-icon big-icon" src="images/icon/calendar.svg"> Date
</header>
<p>Dates are used to represent a date and to do basic calculations.</p>
<wb-expression type="date" ns="date" fn="now">today</wb-expression>
<wb-expression type="date" ns="date" fn="create">
<wb-value type="number" min="0">yyyy</wb-value>
<wb-value type="number">mm</wb-value>
<wb-value type="number">dd</wb-value>
</wb-expression>
<wb-expression type="date" ns="date" fn="addDays">
<wb-value type="date">date</wb-value>
<wb-value type="number">+/- days</wb-value>
</wb-expression>
<wb-expression type="date" ns="date" fn="addMonths">
<wb-value type="date">date</wb-value>
<wb-value type="number">+/- months</wb-value>
</wb-expression>
<wb-expression type="date" ns="date" fn="addYears">
<wb-value type="date">date</wb-value>
<wb-value type="number">+/- years</wb-value>
</wb-expression>
<wb-expression type="date" ns="date" fn="dayOfWeek">
<wb-value type="date">get day of week</wb-value>
</wb-expression>
<wb-expression type="date" ns="date" fn="getDay">
<wb-value type="date">get day</wb-value>
</wb-expression>
<wb-expression type="date" ns="date" fn="getMonth">
<wb-value type="date">get month</wb-value>
</wb-expression>
<wb-expression type="date" ns="date" fn="getMonthName">
<wb-value type="date">get month by name</wb-value>
</wb-expression>
<wb-expression type="date" ns="date" fn="getYear">
<wb-value type="date">get year</wb-value>
</wb-expression>
</wb-accordion>
<wb-accordion class="stage">
<header>
<img class="cat-icon" src="images/icon/stage.svg"> Stage
</header>
<p>Stage is the area where scripts are performed.</p>
<wb-step ns="stage" fn="clearTo">
<wb-value type="color,wb-image,shape">clear to</wb-value>
</wb-step>
<wb-expression type="number" ns="stage" fn="stageWidth">
<wb-value>Stage Width</wb-value>
</wb-expression>
<wb-expression type="number" ns="stage" fn="stageHeight">
<wb-value>Stage Height</wb-value>
</wb-expression>
<wb-expression type="number" ns="stage" fn="centerX">
<wb-value>Center x</wb-value>
</wb-expression>
<wb-expression type="number" ns="stage" fn="centerY">
<wb-value>Center y</wb-value>
</wb-expression>
<wb-expression type="vector" ns="stage" fn="centerPoint">
<wb-value>Center point</wb-value>
</wb-expression>
<wb-expression type="number" ns="stage" fn="randomX">
<wb-value>Random x</wb-value>
</wb-expression>
<wb-expression type="number" ns="stage" fn="randomY">
<wb-value>Random y
<wb-value>
</wb-value>
</wb-value>
</wb-expression>
</wb-accordion>
<wb-accordion class="color">
<header>
<img class="cat-icon" src="images/icon/color.svg"> Colors
</header>
<p>There are several ways to specify colors.</p>
<wb-expression type="color" ns="color" fn="namedColor">
<wb-value type="list" allow="literal" options="black,white,navy,blue,aqua,teal,olive,green,lime,yellow,orange,red,fuchsia,rebeccapurple,maroon,grey,silver,transparent" value="black"></wb-value>
</wb-expression>
<wb-expression type="color" ns="color" fn="rgb">
<wb-value type="number" min="0" max="255" value="0">red</wb-value>
<wb-value type="number" min="0" max="255" value="0">green</wb-value>
<wb-value type="number" min="0" max="255" value="0">blue</wb-value>
</wb-expression>
<wb-expression type="color" ns="color" fn="rgba">
<wb-value type="number" min="0" max="255" value="0">red</wb-value>
<wb-value type="number" min="0" max="255" value="0">green</wb-value>
<wb-value type="number" min="0" max="255" value="0">blue</wb-value>
<wb-value type="number" min="0" max="100" value="0">alpha</wb-value>
</wb-expression>
<wb-expression type="color" ns="color" fn="grey">
<wb-value type="number" min="0" max="255" value="105">grey</wb-value>
</wb-expression>
<wb-expression type="color" ns="color" fn="hsl">
<wb-value type="number" min="0" max="360" value="0">hue</wb-value>
<wb-value type="number" min="0" max="100" value="0">saturation</wb-value>
<wb-value type="number" min="0" max="100" value="0">lightness</wb-value>
</wb-expression>
<wb-expression type="color" ns="color" fn="hsla">
<wb-value type="number" min="0" max="360" value="0">hue</wb-value>
<wb-value type="number" min="0" max="100" value="0">saturation</wb-value>
<wb-value type="number" min="0" max="100" value="0">lightness</wb-value>
<wb-value type="number" min="0" max="100" value="0">alpha</wb-value>
</wb-expression>
<wb-step ns="color" fn="fill">
<wb-value type="color" value="#0000FF">fill style</wb-value>
</wb-step>
<wb-step ns="color" fn="stroke">
<wb-value type="color" value="00FF00">stroke style</wb-value>
</wb-step>
<wb-step ns="color" fn="shadow">
<wb-value type="color" value="#FF0000">shadow color</wb-value>
<wb-value type="number" value="2">shadow blur</wb-value>
</wb-step>
</wb-accordion>
<wb-accordion class="image">
<header>
<img class="cat-icon" src="images/icon/image.svg"> Images
</header>
<p>Images are pictures loaded from the web. They can be positioned and resized.</p>
<wb-expression type="wb-image" isasset="true" ns="image" fn="get">
<wb-value type="text" value="images/mascot/mascot-steampunk.png">image from url</wb-value>
</wb-expression>
<wb-expression type="wb-image" ns="image" fn="create">
<wb-value type="number" value="50">blank image with width</wb-value>
<wb-value type="number" value="50">height</wb-value>
</wb-expression>
<wb-expression type="number" ns="image" fn="getWidth">
<wb-value type="wb-image" allow="block">image width</wb-value>
</wb-expression>
<wb-expression type="number" ns="image" fn="getHeight">
<wb-value type="wb-image" allow="block">image height</wb-value>
</wb-expression>
<wb-step ns="image" fn="setWidth">
<wb-value type="wb-image" allow="block">set</wb-value>
<wb-value type="number">width</wb-value>
</wb-step>
<wb-step ns="image" fn="setHeight">
<wb-value type="wb-image" allow="block">set</wb-value>
<wb-value type="number">height</wb-value>
</wb-step>
<wb-step ns="image" fn="scale">
<wb-value type="wb-image" allow="block">scale</wb-value>
<wb-value type="number">by</wb-value>
</wb-step>
<wb-step ns="image" fn="flipHorizontal">
<wb-value type="wb-image" allow="block">flip horizontal</wb-value>
</wb-step>
<wb-step ns="image" fn="flipVertical">
<wb-value type="wb-image" allow="block">flip vertical</wb-value>
</wb-step>
<wb-step ns="image" fn="flipBoth">
<wb-value type="wb-image" allow="block">flip both</wb-value>
</wb-step>
<wb-step ns="image" fn="setSize">
<wb-value type="wb-image" allow="block">set</wb-value>
<wb-value type="size">size</wb-value>
</wb-step>
<wb-step ns="image" fn="drawAtPoint">
<wb-value type="wb-image" allow="block">draw</wb-value>
<wb-value type="vector" allow="block">at</wb-value>
</wb-step>
<wb-context ns="image" fn="drawOnImage">
<wb-value type="wb-image" allow="block">draw on</wb-value>
</wb-context>
</wb-accordion>
<wb-accordion class="math">
<header>
<img class="cat-icon" src="images/icon/math.svg"> Math
</header>
<p>In addition to performing math on numbers you can also use many operations on arrays and vectors too.</p>
<wb-expression ns="math" type="number" fn="stringToNumber">
<wb-value type="string" value="0">as number</wb-value>
</wb-expression>
<wb-expression ns="math" type="number" fn="add">
<wb-value type="number,vector,array" value="0"></wb-value>
<wb-value type="number,vector,array" value="0">+</wb-value>
</wb-expression>
<wb-expression ns="math" type="number" fn="subtract">
<wb-value type="number,vector,array,date" value="0"></wb-value>
<wb-value type="number,vector,array,date" value="0">−</wb-value>
</wb-expression>
<wb-expression ns="math" type="number" fn="multiply">
<wb-value type="number,vector,array" value="0"></wb-value>
<wb-value type="number,vector" value="0">×</wb-value>
</wb-expression>
<wb-expression ns="math" type="number" fn="divide">
<wb-value type="number,vector,array" value="0"></wb-value>
<wb-value type="number">÷</wb-value>
</wb-expression>
<wb-expression type="boolean" ns="math" fn="equal">
<wb-value type="any" value="0"></wb-value>
<wb-value type="any" value="0">=</wb-value>
</wb-expression>
<wb-expression type="boolean" ns="math" fn="notEqual">
<wb-value type="any" value="0"></wb-value>
<wb-value type="any" value="0">≠</wb-value>
</wb-expression>
<wb-expression type="boolean" ns="math" fn="lt">
<wb-value type="number,date" value="0"></wb-value>
<wb-value type="number,date" value="0"><</wb-value>
</wb-expression>
<wb-expression type="boolean" ns="math" fn="lte">
<wb-value type="number,date" value="0"></wb-value>
<wb-value type="number,date" value="0">≤</wb-value>
</wb-expression>
<wb-expression type="boolean" ns="math" fn="gt">
<wb-value type="number,date" value="0"></wb-value>
<wb-value type="number,date" value="0">></wb-value>
</wb-expression>
<wb-expression type="boolean" ns="math" fn="gte">
<wb-value type="number,date" value="0"></wb-value>
<wb-value type="number,date" value="0">≥</wb-value>
</wb-expression>
<wb-expression type="number" ns="math" fn="mod">
<wb-value type="number" value="0"></wb-value>
<wb-value type="number" value="0">modulus</wb-value>
</wb-expression>
<wb-expression type="number" ns="math" fn="round">
<wb-value type="number" value="0">round</wb-value>
</wb-expression>
<wb-expression type="number" ns="math" fn="abs">
<wb-value type="number" value="0">absolute value</wb-value>
</wb-expression>
<wb-expression type="number" ns="math" fn="sgn">
<wb-value type="number" value="0">sign of</wb-value>
</wb-expression>
<wb-expression type="number" ns="math" fn="floor">
<wb-value type="number" value="0">floor</wb-value>
</wb-expression>
<wb-expression type="number" ns="math" fn="ceil">
<wb-value type="number" value="0">ceiling</wb-value>
</wb-expression>
<wb-expression ns="math" type="number" fn="pow">
<wb-value type="number" value="0"></wb-value>
<wb-value type="number" value="0">to the power of
</wb-value>
</wb-expression>
<wb-expression ns="math" type="number" fn="sqrt">
<wb-value type="number" value="1">square root of</wb-value>
</wb-expression>
<wb-expression ns="math" type="number" fn="cbrt">
<wb-value type="number" value="1">cube root of</wb-value>
</wb-expression>
<wb-expression ns="math" type="number" fn="root">
<wb-value type="number" value="1">root of</wb-value>
<wb-value type="number" value="4">to degree</wb-value>
</wb-expression>
<wb-expression ns="math" type="number" fn="log">
<wb-value type="number" value="1">logarithm of</wb-value>
<wb-value type="number" value="10">to base</wb-value>
</wb-expression>
<wb-expression type="number" ns="math" fn="max">
<wb-value type="array" value="0">max</wb-value>
</wb-expression>
<wb-expression type="number" ns="math" fn="min">
<wb-value type="array" value="0">min</wb-value>
</wb-expression>
<wb-expression type="number" ns="math" fn="sin">
<wb-value type="number" value="0">sine</wb-value>
</wb-expression>
<wb-expression type="number" ns="math" fn="cos">
<wb-value type="number" value="0">cosine</wb-value>
</wb-expression>
<wb-expression type="number" ns="math" fn="tan">
<wb-value type="number" value="0">tangent</wb-value>
</wb-expression>
<wb-expression type="number" ns="math" fn="asin">
<wb-value type="number" value="0">arcsine</wb-value>
</wb-expression>
<wb-expression type="number" ns="math" fn="acos">
<wb-value type="number" value="0">arcosine</wb-value>
</wb-expression>
<wb-expression type="number" ns="math" fn="atan">
<wb-value type="number,vector" value="0">arctangent</wb-value>
</wb-expression>
<wb-expression type="number" ns="math" fn="pi">
<wb-value>pi</wb-value>
</wb-expression>
<wb-expression type="number" ns="math" fn="e">
<wb-value>e</wb-value>
</wb-expression>
<wb-expression type="number" ns="math" fn="tau">
<wb-value>tau</wb-value>
</wb-expression>
<wb-expression type="number" ns="math" fn="deg2rad">
<wb-value type="number" value="0">degrees to radians</wb-value>
</wb-expression>
<wb-expression type="number" ns="math" fn="rad2deg">
<wb-value type="number" value="0">radians to degrees</wb-value>
</wb-expression>
</wb-accordion>
<wb-accordion class="random">
<header>
<img class="cat-icon big-icon" src="images/icon/random.svg"> Random
</header>
<p>There are many types of randomness in Waterbear.</p>
<wb-expression type="number" ns="random" fn="randFloat">
<wb-value>random float</wb-value>
</wb-expression>
<wb-expression type="number" ns="random" fn="randInt">
<wb-value type="number" value="1">random int from</wb-value>
<wb-value type="number" value="10">to</wb-value>
</wb-expression>
<wb-expression type="number" ns="random" fn="noise">
<wb-value type="number" value="0.001">noise from x</wb-value>
<wb-value type="number" value="0.002">y</wb-value>
<wb-value type="number" value="0.003">z</wb-value>
</wb-expression>
<wb-expression type="any" ns="random" fn="choice">
<wb-value type="array">random item from</wb-value>
</wb-expression>
</wb-accordion>
<wb-accordion class="vector">
<header>
<img class="cat-icon" src="images/icon/vector.svg"> Vectors (Points)
</header>
<p>Waterbear vectors are x,y coordinates that can be used as points, but also have a direction and magnitude (useful for speed, acceleration, distance).</p>
<wb-expression type="vector" ns="vector" fn="create">
<wb-value type="number" value="0">vector at x</wb-value>
<wb-value type="number" value="0">y</wb-value>
</wb-expression>
<wb-expression type="vector" ns="vector" fn="createPolar">
<wb-value type="number" value="0">vector at angle</wb-value>
<wb-value type="number" value="0">magnitude</wb-value>
</wb-expression>
<wb-expression type="vector" ns="vector" fn="rotateTo">
<wb-value type="vector">rotate</wb-value>
<wb-row>
<wb-value type="number" value="0">to</wb-value>
<wb-unit>degrees</wb-unit>
</wb-row>
</wb-expression>
<wb-expression type="vector" ns="vector" fn="rotate">
<wb-value type="vector">rotate</wb-value>
<wb-row>
<wb-value type="number" value="0">by</wb-value>
<wb-unit>degrees</wb-unit>
</wb-row>
</wb-expression>
<wb-expression type="number" ns="vector" fn="degrees">
<wb-value type="vector">degrees</wb-value>
</wb-expression>
<wb-expression type="number" ns="vector" fn="magnitude">
<wb-value type="vector">magnitude</wb-value>
</wb-expression>
<wb-expression type="number" ns="vector" fn="x">
<wb-value type="vector">x</wb-value>
</wb-expression>
<wb-expression type="number" ns="vector" fn="y">
<wb-value type="vector">y</wb-value>
</wb-expression>
<wb-expression type="vector" ns="math" fn="multiply">
<!-- FIXME: Temporary workaround until type propagation works for math * -->
<wb-value type="vector"></wb-value>
<wb-value type="number" value="1">×</wb-value>
</wb-expression>
<wb-expression type="vector" ns="math" fn="add">
<wb-value type="vector"></wb-value>
<wb-value type="vector">+</wb-value>
</wb-expression>
<wb-expression type="vector" ns="vector" fn="normalize">
<wb-value type="vector">normalize</wb-value>
</wb-expression>
<wb-expression type="vector" ns="vector" fn="randomUnitVector">
<wb-value>random unit vector</wb-value>
</wb-expression>
<wb-expression type="vector" ns="vector" fn="fromArray">
<wb-value type="array">from array</wb-value>
</wb-expression>
<wb-expression type="vector" ns="vector" fn="randomPoint">
<wb-value>random point</wb-value>
</wb-expression>
<wb-expression type="vector" ns="vector" fn="unitVector">
<wb-value>unit vector <1,1></wb-value>
</wb-expression>
<wb-expression type="vector" ns="vector" fn="zeroVector">
<wb-value>zero vector <0,0></wb-value>
</wb-expression>
<wb-expression type="array" ns="vector" fn="toArray">
<wb-value type="vector">as array</wb-value>
</wb-expression>
</wb-accordion>
<wb-accordion class="object">
<header>
<img class="cat-icon" src="images/icon/object.svg"> Objects
</header>
<p>Objects are general-purpose containers where you can associate names (keys) with objects (values) like in a dictionary.</p>
<wb-expression type="object" ns="object" fn="empty">
empty object
</wb-expression>
<wb-expression type="object" ns="object" fn="create">
<wb-row>
key
<wb-value type="any"></wb-value>
with value
<wb-value type="any"></wb-value>
<button class="remove-item">-</button>
<button class="add-item">+</button>
</wb-row>
</wb-expression>
<wb-expression type="any" ns="object" fn="getValue">
<wb-value type="object" allow="expression">from</wb-value>
<wb-value type="string">value of</wb-value>
</wb-expression>
<wb-expression type="array" ns="object" fn="getKeys">
<wb-value type="object" allow="expression">keys from</wb-value>
</wb-expression>
</wb-accordion>
<wb-accordion class="string">
<header>
<img class="cat-icon" src="images/icon/string.svg"> Strings
</header>
<p>Strings are simple bits of text. You can search them, combine them, and break them up.</p>
<wb-expression ns="string" type="string" fn="toString">
<wb-value type="any">convert</wb-value>to string
</wb-expression>
<wb-expression ns="string" type="array" fn="split">
<wb-value type="text">split</wb-value>
<wb-value type="text">on separator</wb-value>
</wb-expression>
<wb-expression ns="string" type="string" fn="concatenate">
<wb-value type="text,string">concatenate</wb-value>
<wb-value type="text,string">with</wb-value>
</wb-expression>
<wb-expression ns="string" type="string" fn="repeat">
<wb-value type="text,string">repeat</wb-value>
<wb-value type="number" value="0" min="1"></wb-value>times
</wb-expression>
<wb-expression ns="string" type="string" fn="getChar">
<wb-value type="number" value="0">get character</wb-value>
<wb-value type="text,string">from</wb-value>
</wb-expression>
<wb-expression ns="string" type="string" fn="getCharFromEnd">
<wb-value type="number" value="0">get character</wb-value>
<wb-value type="text,string">from end of</wb-value>
</wb-expression>
<wb-expression ns="string" type="string" fn="substring">
<wb-value type="text,string">substring of</wb-value>
<wb-value type="number" value="0">starting at</wb-value>
<wb-value type="number" value="0">of length</wb-value>
</wb-expression>
<wb-expression ns="string" type="string" fn="substring2">
<wb-value type="text,string">substring of</wb-value>
<wb-value type="number" value="0">from</wb-value>
<wb-value type="number" value="0">to</wb-value>
</wb-expression>
<wb-expression ns="string" type="boolean" fn="isSubstring">
<wb-value type="text,string"></wb-value>
<wb-value type="text,string">is substring of</wb-value>
</wb-expression>
<wb-expression ns="string" type="number" fn="substringPosition">
<wb-value type="text,string">position of</wb-value>
<wb-value type="text,string">in</wb-value>
</wb-expression>
<wb-expression ns="string" type="string" fn="replaceSubstring">
<wb-value type="text,string">in</wb-value>
<wb-value type="text,string">replace</wb-value>
<wb-value type="text,string">with</wb-value>
</wb-expression>
<wb-expression ns="string" type="string" fn="trimWhitespace">
<wb-value type="text,string">trim whitespace of</wb-value>
</wb-expression>
<wb-expression ns="string" type="string" fn="uppercase">
<wb-value type="text,string">convert</wb-value> to uppercase
</wb-expression>
<wb-expression ns="string" type="string" fn="lowercase">
<wb-value type="text,string">convert</wb-value> to lowercase
</wb-expression>
<wb-expression ns="string" type="boolean" fn="matches">
<wb-value type="text,string"></wb-value>
<wb-value type="text,string">matches</wb-value>
</wb-expression>
<wb-expression ns="string" type="boolean" fn="doesntMatch">
<wb-value type="text,string"></wb-value>
<wb-value type="text,string">doesn't match</wb-value>
</wb-expression>
<wb-expression ns="string" type="boolean" fn="startsWith">
<wb-value type="text,string"></wb-value>
<wb-value type="text,string">starts with</wb-value>
</wb-expression>
<wb-expression ns="string" type="boolean" fn="endsWith">
<wb-value type="text,string"></wb-value>
<wb-value type="text,string">ends with</wb-value>
</wb-expression>
<p>The blocks below are for writing your text to the screen.</p>
<wb-step ns="string" fn="setFont">
<wb-row>
<wb-value type="number" value="12">font</wb-value>
<wb-value type="list" allow="literal" options="px,em,%,pt" value="px"></wb-value>
</wb-row>
<wb-value type="text" value="sans-serif"></wb-value>
</wb-step>
<wb-step ns="string" fn="textAlign">
<wb-row>
<wb-value type="list" allow="literal" options="left,right,center,start,end" value="left">align text to the</wb-value>
</wb-row>
</wb-step>
<wb-step ns="string" fn="textBaseline">
<wb-row>
<wb-value type="list" allow="literal" options="alphabetic,top,hanging,middle,bottom,ideographic" value="alphabetic">text baseline</wb-value>
</wb-row>
</wb-step>
<wb-step ns="string" fn="fillText">
<wb-value type="text,string">fill text</wb-value>
<wb-value type="number">x</wb-value>
<wb-value type="number">y</wb-value>
</wb-step>
<wb-step ns="string" fn="fillTextWidth">
<wb-value type="text,string">fill text</wb-value>
<wb-value type="number">x</wb-value>
<wb-value type="number">y</wb-value>
<wb-value type="number">max width</wb-value>
</wb-step>
<wb-step ns="string" fn="strokeText">
<wb-value type="text,string">stroke text</wb-value>
<wb-value type="number">x</wb-value>
<wb-value type="number">y</wb-value>
</wb-step>
<wb-step ns="string" fn="strokeTextWidth">
<wb-value type="text,string">stroke text</wb-value>
<wb-value type="number">x</wb-value>
<wb-value type="number">y</wb-value>
<wb-value type="number">max width</wb-value>
</wb-step>
<wb-expression type="number" ns="string" fn="width">
<wb-value type="text,string">width of text</wb-value>
</wb-expression>
</wb-accordion>
<wb-accordion class="shape">
<header>
<img class="cat-icon" src="images/icon/shape.svg"> Shapes
</header>
<p>Shapes are pictures made by drawing a geometric shape rather than loading an image file.</p>
<wb-step ns="shape" fn="draw">
<wb-value type="shape">draw the shape</wb-value>
</wb-step>
<wb-step ns="shape" fn="setLineWidth">
<wb-value type="number" value="1">line width</wb-value>
</wb-step>
<wb-step ns="shape" fn="setLineCap">
<wb-value type="list" allow="literal" options="butt,round,square" value="butt">line cap style</wb-value>
</wb-step>
<wb-step ns="shape" fn="setLineJoin">
<wb-value type="list" allow="literal" options="round,bevel,miter" value="round">line join style</wb-value>
</wb-step>
<wb-expression type="shape" ns="shape" fn="circle">
<wb-value type="vector">circle at</wb-value>
<wb-value type="number" min="0">radius</wb-value>
</wb-expression>
<wb-expression type="shape" ns="shape" fn="ellipse">
<wb-value type="vector">ellipse at</wb-value>
<wb-value type="number" min="0">horizontal radius</wb-value>
<wb-value type="number" min="0">verticle radius</wb-value>
<wb-value type="number" min="0">rotation</wb-value>
</wb-expression>
<wb-expression type="shape" ns="shape" fn="rectangle">
<wb-value type="vector">rectangle at</wb-value>
<wb-value type="number" min="0">width</wb-value>
<wb-value type="number" min="0">height</wb-value>
</wb-expression>
<wb-expression type="shape" ns="shape" fn="triangle">
<wb-value type="vector">triangle with points a</wb-value>
<wb-value type="vector">b</wb-value>
<wb-value type="vector">c</wb-value>
</wb-expression>
<wb-expression type="shape" ns="shape" fn="polygon">
<wb-value>polygon with points</wb-value>
<wb-row>
<wb-value type="vector"></wb-value>
<button class="remove-item">-</button>
<button class="add-item">+</button>
</wb-row>
</wb-expression>
<wb-expression type="shape" ns="shape" fn="regularPolygon">
<wb-value type="vector">regular polygon at</wb-value>
<wb-value type="number">sides</wb-value>
<wb-value type="number">corner radius</wb-value>
</wb-expression>
<wb-expression type="shape" ns="shape" fn="star">
<wb-value type="vector">star at</wb-value>
<wb-value type="number">points</wb-value>
<wb-value type="number">inner radius</wb-value>
<wb-value type="number">outer radius</wb-value>
</wb-expression>
<wb-expression ns="shape" type="shape" fn="lineTo">
<wb-value type="vector">line from</wb-value>
<wb-value type="vector">to</wb-value>
</wb-expression>
<wb-expression ns="shape" type="shape" fn="arc">
<wb-value type="number">arc with radius</wb-value>
<wb-value type="vector">centered at point</wb-value>
<wb-value type="number">start angle</wb-value>
<wb-value type="number">end angle</wb-value>
<!-- <wb-value type="list" allow="literal" options="clockwise,counter-clockwise" value="clockwise"> -->
</wb-expression>
<wb-expression ns="shape" type="shape" fn="bezierCurve">
<wb-value type="vector">bezier curve from</wb-value>
<wb-value type="vector">to</wb-value>
<wb-value type="vector">first control point</wb-value>
<wb-value type="vector">second control point</wb-value>
</wb-expression>
<wb-expression ns="shape" type="shape" fn="quadraticCurve">
<wb-value type="vector">quadratic curve from</wb-value>
<wb-value type="vector">to</wb-value>
<wb-value type="vector">control point</wb-value>
</wb-expression>
<wb-context ns="shape" type="shape" fn="withClip">
<wb-value type="shape">clip with</wb-value>
</wb-context>
<wb-expression type="shape" ns="shape" fn="path">
<wb-value>path</wb-value>
<wb-value type="list" allow="literal" options="connected,connected and closed, disconnected" value="connected">type</wb-value>
<wb-row>
<wb-value type="shape"></wb-value>
<button class="remove-item">-</button>
<button class="add-item">+</button>
</wb-row>
</wb-expression>
<wb-expression ns="shape" type="vector" fn="lastPoint">
last point
</wb-expression>
<wb-expression ns="shape" type="vector" fn="bezierPoint">
<wb-value type="number" min="0" max="1">bezier point at position</wb-value>
<wb-value type="vector">start point</wb-value>
<wb-value type="vector">end point</wb-value>
<wb-value type="vector">first control point</wb-value>
<wb-value type="vector">second control point</wb-value>
</wb-expression>
<wb-expression ns="shape" type="vector" fn="bezierTangent">
<wb-value type="number" min="0" max="1">tangent to bezier curve at position</wb-value>
<wb-value type="vector">start point</wb-value>
<wb-value type="vector">end point</wb-value>
<wb-value type="vector">first control point</wb-value>
<wb-value type="vector">second control point</wb-value>
</wb-expression>
</wb-accordion>
<wb-accordion class="rect">
<header>
<img class="cat-icon" src="images/icon/rect.svg"> Rects