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<!doctype html>
<html>
<head>
<title>Livecodelab</title>
<meta charset="utf-8">
<meta name="viewport" content="width=device-width, user-scalable=no, minimum-scale=1.0, maximum-scale=1.0">
<script src="vendor/three.js/Three.js"></script>
<script src="vendor/three.js/Detector.js"></script>
<script src="vendor/three.js/Stats.js"></script>
<script src="vendor/threex/THREEx.WindowResize.js"></script>
<script type="text/javascript" src="coffee-script.js"></script>
<script src="vendor/three.js/ShaderExtras.js"></script>
<script src="vendor/three.js/postprocessing/EffectComposer.js"></script>
<script src="vendor/three.js/postprocessing/RenderPass.js"></script>
<script src="vendor/three.js/postprocessing/ShaderPass.js"></script>
<!--
surprisingly MaskPass.js is needed even though masks are not
explicitely used
-->
<script src="vendor/three.js/postprocessing/MaskPass.js"></script>
<script src="vendor/three.js/postprocessing/SavePass.js"></script>
<link href="css/main.css" rel="stylesheet"/>
<link rel="stylesheet" href="codemirror.css">
<script src="codemirror.js"></script>
<link rel="stylesheet" href="night.css">
<script src="coffeescript-livecodelab-mode.js"></script>
<script src="jquery.min.js"></script>
<style type="text/css">
.CodeMirror {border: none; }
</style>
<style type="text/css">
a:hover {cursor: default;}
.dd_menu {background:#000000; border-bottom: 1px; border-bottom-color: white; border-bottom-style: dotted; padding:0px; margin:0; list-style-type:none; height:30px;}
.dd_menu li {float:left; height:30px; border-right: solid 1px white; border-right-style: dotted;}
.dd_menu li a {padding:9px 20px; display:block; color:#fff; text-decoration:none; font:12px arial, verdana, sans-serif; font-weight: bold; }
.dd_menu li:hover a {color:black;}
.dd_menu ul { position:absolute; left:-9999px; top:-9999px; list-style-type:none;}
.dd_menu li:hover {position:relative; background:white;}
.dd_menu li:hover ul {left:0px; top:30px; background:#000000; padding:3px; border:0px solid white; width:160px;}
.dd_menu li:hover ul li {height:18px; border:none; }
.dd_menu li:hover ul li a {height:18px; padding:0px; display:block; font-size:11px; width:158px; line-height:18px; text-indent:15px; color:white; background-color:#000000; text-decoration:none; border-top: 1px; border-top-color: #333; border-top-style: dotted;}
.dd_menu li:hover ul li a:hover {height:18px; background:silver; color:#000; border:solid 1px #444; }
#dangerSignText {color:#000000; text-decoration:none;}
#dangerSign:hover {background:#000000;}
#errorMessageText {text-decoration:none;}
#errorMessage:hover {background:#000000;}
.verticalMiddleOfScreen
{
color: white;
background-color: transparent;
text-align: center;
position: absolute;
top: 50%;
left: 0px;
width: 100%;
height: 1px;
overflow: visible;
visibility: visible;
display: block
}
.fakeAnimationContent
{
font-family: Verdana, Geneva, Arial, sans-serif;
background-color: transparent;
margin-left: -1.5em;
position: absolute;
top: -1.1em;
left: 50%;
width: 3em;
height: 2em;
padding-top: 0px;
visibility: visible
}
</style>
<!-- end of second drop-down menu -->
<!-- start simple modal -->
<!-- Page styles -->
<link type='text/css' href='simpleModal/css/demo.css' rel='stylesheet' media='screen' />
<!-- Contact Form CSS files -->
<link type='text/css' href='simpleModal/css/basic.css' rel='stylesheet' media='screen' />
<!-- Scripts -->
<script type='text/javascript' src='simpleModal/js/jquery.js'></script>
<script type='text/javascript' src='simpleModal/js/jquery.simplemodal.js'></script>
<!-- end simple modal -->
</head>
<body>
<div class="verticalMiddleOfScreen" id="toMove" style="font-size:30em;">
<div class="fakeAnimationContent" >
<p id="caption"></p>
</div>
</div>
<div class="verticalMiddleOfScreen" id="justForFakeCursor" style="font-size:30em;">
<div class="fakeAnimationContent" >
<p id="fakeStartingBlinkingCursor">|</p>
</div>
</div>
<!-- preload the images -->
<div style='display:none'>
<img src='simpleModal/img/basic/x.png' alt='' />
</div>
<div id='startingCourtainScreen' style='width:100%; height:100%; background-color:white; position: absolute; z-index:4; top: 0px; left: 0px;'>
<div class="verticalMiddleOfScreen" id="loading" style="font-size:3em; color: red">
loading /</div>
</div>
<!-- modal content -->
<div id="aboutWindow">
<h3>What's this?</h3>
<p>This is a toy live coding environment: programs run immediately as they are typed.<br><br>Pick something from the "Demos" menu or try the tutorials.</p>
<p>Want more info? <a href="http://www.sketchpatch.net/labs/livecodelabIntro.html"> See this.</a></p>
<p>Want to hack this? <a href="https://github.com/davidedc/livecodelab"> Grab the source code!</a></p>
</div>
<div id="noWebGLMessage">
<h3>Drag!</h3>
<p>Your browser doesn't seem to support 3D acceleration.</p>
<p>You'll still have fun, but you really want to try to <a href="http://www.khronos.org/webgl/wiki/Getting_a_WebGL_Implementation" target="_blank">get the 3D party going in your browser</a>.</p>
<p>(psst! - it's worth it!). </p>
</div>
<div id="exampleNeedsWebgl">
<h3>Oh nooo.</h3>
<p>All these examples starting with "webgl" are going to look silly in your browser (which doesn't seem to support 3D acceleration).</p>
<p>Why not try to <a href="http://www.khronos.org/webgl/wiki/Getting_a_WebGL_Implementation" target="_blank">get some awesome 3D action started</a>?</p>
</div>
<div id="noAudioMessage">
<h3>Snap!</h3>
<p>Your browser doesn't seem to support audio.</p>
<p>Be a champion and try <a href="http://browsehappy.com/" target="_blank">a newer browser</a>.</p>
<p>(while you are at it, pick one that supports 3D such as Chrome or Firefox).</p>
</div>
<div id="soundSystemIsMangledMessage">
<h3>Congrats!</h3>
<p>You've unlocked the "I borked the sound system" badge!</p>
<p>This sometime happens when playing lots of music.</p>
<p>Just re-start the browser to get everything back to normal.</p>
<p>(We know it's fun, we do this all the time, it's OK).</p>
</div>
<div id="noCanvasMessage">
<h3>Oh my!</h3>
<p>Your browser is way old.</p>
<p>We understand. We were there 5 years ago. Why not try <a href="http://browsehappy.com/" target="_blank">a shinier browser</a>?</p>
<p>(while you are at it, pick one that supports 3D such as Chrome or Firefox).</p>
</div>
<div id="theMenu" style="position: absolute; z-index:3; top: 0px; left: 0px; width:100%">
<ul class='dd_menu' >
<li><a href="javascript:void(0)" onclick="$('#aboutWindow').modal();$('#simplemodal-container').height(250);" style="text-decoration:none; color:red;">LIVECODELAB</a>
</li>
<li><a href="javascript:void(0)" style="text-decoration:none;" id="demoMenu">Demos</a>
<ul>
<li><a href="javascript:void(0)" onclick="loadDemoOrTutorial('simpleCubeDemo');" id="simpleCubeDemo">Simple cube</a></li>
<li><a href="javascript:void(0)" onclick="loadDemoOrTutorial('cubesAndSpikes');" id="cubesAndSpikes">Cubes and spikes</a></li>
<li><a href="javascript:void(0)" onclick="loadDemoOrTutorial('littleSpiralOfCubes');" id="littleSpiralOfCubes">Little spiral</a></li>
<li><a href="javascript:void(0)" onclick="loadDemoOrTutorial('tentacleDemo');" id="tentacleDemo">Tentacle</a></li>
<li><a href="javascript:void(0)" onclick="loadDemoOrTutorial('springysquaresDemo');" id="springysquaresDemo">Springy squares</a></li>
<li><a href="javascript:void(0)" onclick="loadDemoOrTutorial('diceDemo');" id="diceDemo">Dice</a></li>
<li><a href="javascript:void(0)" onclick="loadDemoOrTutorial('lampDemo');" id="lampDemo">Lamp</a></li>
<li><a href="javascript:void(0)" onclick="loadDemoOrTutorial('trillionfeathersDemo');" id="trillionfeathersDemo">A trillion feathers</a></li>
<li><a href="javascript:void(0)" onclick="loadDemoOrTutorial('monsterblobDemo');" id="monsterblobDemo">Monster blob</a></li>
<li><a href="javascript:void(0)" onclick="loadDemoOrTutorial('industrialMusicDemo');" id="industrialMusicDemo">Sound: Industrial</a></li>
<li><a href="javascript:void(0)" onclick="loadDemoOrTutorial('trySoundsDemo');" id="trySoundsDemo">Sound: Try them all</a></li>
<li><a href="javascript:void(0)" onclick="loadDemoOrTutorial('webglalmostvoronoiDemo');" id="webglalmostvoronoiDemo">WebGL: Almost Voronoi</a></li>
<li><a href="javascript:void(0)" onclick="loadDemoOrTutorial('webglshardsDemo');" id="webglshardsDemo">WebGL: Shards</a></li>
<li><a href="javascript:void(0)" onclick="loadDemoOrTutorial('webglredthreadsDemo');" id="webglredthreadsDemo">WebGL: Red threads</a></li>
<li><a href="javascript:void(0)" onclick="loadDemoOrTutorial('webgltwocubesDemo');" id="webgltwocubesDemo">WebGL: Two cubes</a></li>
<li><a href="javascript:void(0)" onclick="loadDemoOrTutorial('webglturbineDemo');" id="webglturbineDemo">WebGL: Turbine</a></li>
<li><a href="javascript:void(0)" onclick="loadDemoOrTutorial('webglzfightartDemo');" id="webglzfightartDemo">WebGL: Z-fight art!</a></li>
<li><a href="javascript:void(0)" onclick="loadDemoOrTutorial('webglnuclearOctopusDemo');" id="webglnuclearOctopusDemo">WebGL: Nuclear octopus</a></li>
</ul>
</li>
<li><a href="javascript:void(0)" style="text-decoration:none;" id="tutorialsMenu">Tutorials</a>
<ul>
<li><a href="javascript:void(0)" onclick="loadDemoOrTutorial('introTutorial');" id="introTutorial">intro</a></li>
<li><a href="javascript:void(0)" onclick="loadDemoOrTutorial('helloworldTutorial');" id="helloworldTutorial">hello world</a></li>
<li><a href="javascript:void(0)" onclick="loadDemoOrTutorial('somenotesTutorial');" id="somenotesTutorial">some notes</a></li>
<li><a href="javascript:void(0)" onclick="loadDemoOrTutorial('rotateTutorial');" id="rotateTutorial">rotate</a></li>
<li><a href="javascript:void(0)" onclick="loadDemoOrTutorial('frameTutorial');" id="frameTutorial">frame</a></li>
<li><a href="javascript:void(0)" onclick="loadDemoOrTutorial('timeTutorial');" id="timeTutorial">time</a></li>
<li><a href="javascript:void(0)" onclick="loadDemoOrTutorial('moveTutorial');" id="moveTutorial">move</a></li>
<li><a href="javascript:void(0)" onclick="loadDemoOrTutorial('scaleTutorial');" id="scaleTutorial">scale</a></li>
<li><a href="javascript:void(0)" onclick="loadDemoOrTutorial('timesTutorial');" id="timesTutorial">times</a></li>
<li><a href="javascript:void(0)" onclick="loadDemoOrTutorial('fillTutorial');" id="fillTutorial">fill</a></li>
<li><a href="javascript:void(0)" onclick="loadDemoOrTutorial('strokeTutorial');" id="strokeTutorial">stroke</a></li>
<li><a href="javascript:void(0)" onclick="loadDemoOrTutorial('colornamesTutorial');" id="colornamesTutorial">color by name</a></li>
<li><a href="javascript:void(0)" onclick="loadDemoOrTutorial('lightsTutorial');" id="lightsTutorial">lights</a></li>
<li><a href="javascript:void(0)" onclick="loadDemoOrTutorial('backgroundTutorial');" id="backgroundTutorial">background</a></li>
<li><a href="javascript:void(0)" onclick="loadDemoOrTutorial('gradientTutorial');" id="gradientTutorial">gradient</a></li>
<li><a href="javascript:void(0)" onclick="loadDemoOrTutorial('lineTutorial');" id="lineTutorial">line</a></li>
<li><a href="javascript:void(0)" onclick="loadDemoOrTutorial('ballTutorial');" id="ballTutorial">ball</a></li>
<li><a href="javascript:void(0)" onclick="loadDemoOrTutorial('pushpopMatrixTutorial');" id="pushpopMatrixTutorial">push and pop</a></li>
<li><a href="javascript:void(0)" onclick="loadDemoOrTutorial('animationstyleTutorial');" id="animationstyleTutorial">animation style</a></li>
<li><a href="javascript:void(0)" onclick="loadDemoOrTutorial('doonceTutorial');" id="doonceTutorial">do once</a></li>
<li><a href="javascript:void(0)" onclick="loadDemoOrTutorial('autocodeTutorial');" id="autocodeTutorial">autocode</a></li>
</ul>
</li>
<li id="autocodeIndicatorContainer" onClick="toggleAutocode();"><a id="autocodeIndicator" href="javascript:void(0)" style="text-decoration:none;">Autocode: off</a>
</li>
<!-- Adding a manual hide code toggle julien-->
<li id="dimCodeButtonContainer" onClick="toggleDimCode();"><a id="dimCodeIndicator" href="javascript:void(0)" style="text-decoration:none;">Hide Code: on</a>
</li>
<li id="resetButtonContainer" onClick="triggerReset();"><a id="resetButton" href="javascript:void(0)" style="text-decoration:none;" >Reset</a>
</li>
<li id="dangerSign" style="border-right:none;"><a href="" id="dangerSignText" style="font-size:2em;margin-top:-0.3em;">!</a>
</li>
<li id="errorMessage" style="border-right:none;"><a href="javascript:void(0)" id="errorMessageText" ></a>
</li>
</ul>
</div>
<div name="miao" id="miao" style="position: absolute; top: 30px; left: 0px; width: 100%; font-size: 3em;">
<canvas id="backGroundCanvas" style="position: absolute; z-index:-3; top: 0px; left: 0px;" width="100" height="100"></canvas>
<canvas id="finalRenderWithSceneAndBlendCanvas" style="position: absolute; z-index:-2; top: 0px; left: 0px;" width="100" height="100"></canvas>
<form id="formCode" autocapitalize="off" autocorrect="off" wrap="off" ><textarea id="code" name="code" style="z-index:1;" autocapitalize="off" autocorrect="off" wrap="off" ></textarea></form>
</div>
<!-- three.js container -->
<div id="container" style="position: absolute; z-index:-1; top: 0px; left: 0px;"></div>
<script type="text/javascript">
var stats, scene, renderer;
var camera;
// creating a geometry is expensive
// so we need to create ONE cube of dimensions 1,1,1
// if we need a cube of different size, then we need to
// scale it. Note that the scale for the specific cube shouldn't
// influence the stack, so we need to create a scale node,
// and then go up a node.
var isWebGLUsed = false;
var linesPool = [];
var rectanglesPool = [];
var boxesPool = [];
var cylindersPool = [];
// spheres have different geometries
// depending on the detail level,
// which can be set at whim
var spheresPool = {};
var sphereGeometriesPool = {};
var ambientLightsPool = [];
var pointLightsPool = [];
var usedLines = 0;
var usedRectangles = 0;
var usedBoxes = 0;
var usedCylinders = 0;
var usedAmbientLights = 0;
var usedPointLights = 0;
var usedSpheres = {};
var ballDefaultDetLevel;
var ballDetLevel;
var currentStrokeSize = 1;
var cubeGeometry = new THREE.CubeGeometry(1,1,1);
var planeGeometry = new THREE.PlaneGeometry(1,1);
var lineGeometry = new THREE.Geometry();
var cylinderGeometry = new THREE.CylinderGeometry(0.5, 0.5, 1, 32);
lineGeometry.vertices.push(new THREE.Vertex(new THREE.Vector3(0, -0.5, 0)));
lineGeometry.vertices.push(new THREE.Vertex(new THREE.Vector3(0, 0.5, 0)));
// loads identity matrix
var worldMatrix = new THREE.Matrix4();
var frenchVersion = false;
var forceCanvasRenderer = false;
var backgroundScene;
var backgroundSceneContext;
var sceneRenderingCanvas;
var sceneRenderingCanvasContext;
var previousRenderForBlending;
var previousRenderForBlendingContext;
var finalRenderWithSceneAndBlend;
var finalRenderWithSceneAndBlendContext;
var useRequestAnimationFrame = true;
// if you put to -1 then it means that
// requestAnimationFrame will try to go as fast as it
// can.
var wantedFramesPerSecond = -1;
var backGroundFraction = 15;
var scaledBackgroundWidth;
var scaledBackgroundHeight;
var repaintBackroundEveryFrame = true;
var fullScreenifyBackground = true;
var animationStyleValue = 0;
var previousanimationStyleValue = 0;
var currentGradientStackValue = '';
var previousGradientStackValue = 0;
var blendAmount = 0;
var normal = 0;
var paintOver = 1;
var motionBlur = 2;
var soundLoops = [];
soundLoops.soundIDs = [];
soundLoops.beatStrings = [];
var programHasBasicError = false;
var reasonOfBasicError = "";
var consecutiveFramesWithoutRunTimeError = 0;
var out;
var lastStableProgram;
// the "spinthingy" is because we want
// users who type "box" to see that it's actually
// a 3d environment. So the first few primitives
// spin for a few moments when they are created.
var doTheSpinThingy = true;
var resetTheSpinThingy = false;
var SPINFRAMES = 30;
var userWarnedAboutWebglExamples = false;
var dimIntervalID;
function isCanvasSupported(){
var elem = document.createElement('canvas');
return !!(elem.getContext && elem.getContext('2d'));
}
// Color constants, modified from processing.js
// with added the missing ones from the CSS standard,
// which includes the spelling "grey" on top of "gray"
aliceblue = 0xfff0f8ff ;
antiquewhite = 0xfffaebd7 ;
aqua = 0xff00ffff ;
aquamarine = 0xff7fffd4 ;
azure = 0xfff0ffff ;
beige = 0xfff5f5dc ;
bisque = 0xffffe4c4 ;
black = 0xff000000 ;
blanchedalmond = 0xffffebcd ;
blue = 0xff0000ff ;
blueviolet = 0xff8a2be2 ;
brown = 0xffa52a2a ;
burlywood = 0xffdeb887 ;
cadetblue = 0xff5f9ea0 ;
chartreuse = 0xff7fff00 ;
chocolate = 0xffd2691e ;
coral = 0xffff7f50 ;
cornflowerblue = 0xff6495ed ;
cornsilk = 0xfffff8dc ;
crimson = 0xffdc143c ;
cyan = 0xff00ffff ;
darkblue = 0xff00008b ;
darkcyan = 0xff008b8b ;
darkgoldenrod = 0xffb8860b ;
darkgray = 0xffa9a9a9 ;
darkgrey = 0xffa9a9a9 ;
darkgreen = 0xff006400 ;
darkkhaki = 0xffbdb76b ;
darkmagenta = 0xff8b008b ;
darkolivegreen = 0xff556b2f ;
darkorange = 0xffff8c00 ;
darkorchid = 0xff9932cc ;
darkred = 0xff8b0000 ;
darksalmon = 0xffe9967a ;
darkseagreen = 0xff8fbc8f ;
darkslateblue = 0xff483d8b ;
darkslategray = 0xff2f4f4f ;
darkslategrey = 0xff2f4f4f ;
darkturquoise = 0xff00ced1 ;
darkviolet = 0xff9400d3 ;
deeppink = 0xffff1493 ;
deepskyblue = 0xff00bfff ;
dimgray = 0xff696969 ;
dimgrey = 0xff696969 ;
dodgerblue = 0xff1e90ff ;
firebrick = 0xffb22222 ;
floralwhite = 0xfffffaf0 ;
forestgreen = 0xff228b22 ;
fuchsia = 0xffff00ff ;
gainsboro = 0xffdcdcdc ;
ghostwhite = 0xfff8f8ff ;
gold = 0xffffd700 ;
goldenrod = 0xffdaa520 ;
gray = 0xff808080 ;
grey = 0xff808080 ;
green = 0xff008000 ;
greenyellow = 0xffadff2f ;
honeydew = 0xfff0fff0 ;
hotpink = 0xffff69b4 ;
indianred = 0xffcd5c5c ;
indigo = 0xff4b0082 ;
ivory = 0xfffffff0 ;
khaki = 0xfff0e68c ;
lavender = 0xffe6e6fa ;
lavenderblush = 0xfffff0f5 ;
lawngreen = 0xff7cfc00 ;
lemonchiffon = 0xfffffacd ;
lightblue = 0xffadd8e6 ;
lightcoral = 0xfff08080 ;
lightcyan = 0xffe0ffff ;
lightgoldenrodyellow = 0xfffafad2 ;
lightgrey = 0xffd3d3d3 ;
lightgray = 0xffd3d3d3 ;
lightgreen = 0xff90ee90 ;
lightpink = 0xffffb6c1 ;
lightsalmon = 0xffffa07a ;
lightseagreen = 0xff20b2aa ;
lightskyblue = 0xff87cefa ;
lightslategray = 0xff778899 ;
lightslategrey = 0xff778899 ;
lightsteelblue = 0xffb0c4de ;
lightyellow = 0xffffffe0 ;
lime = 0xff00ff00 ;
limegreen = 0xff32cd32 ;
linen = 0xfffaf0e6 ;
magenta = 0xffff00ff ;
maroon = 0xff800000 ;
mediumaquamarine = 0xff66cdaa ;
mediumblue = 0xff0000cd ;
mediumorchid = 0xffba55d3 ;
mediumpurple = 0xff9370d8 ;
mediumseagreen = 0xff3cb371 ;
mediumslateblue = 0xff7b68ee ;
mediumspringgreen = 0xff00fa9a ;
mediumturquoise = 0xff48d1cc ;
mediumvioletred = 0xffc71585 ;
midnightblue = 0xff191970 ;
mintcream = 0xfff5fffa ;
mistyrose = 0xffffe4e1 ;
moccasin = 0xffffe4b5 ;
navajowhite = 0xffffdead ;
navy = 0xff000080 ;
oldlace = 0xfffdf5e6 ;
olive = 0xff808000 ;
olivedrab = 0xff6b8e23 ;
orange = 0xffffa500 ;
orangered = 0xffff4500 ;
orchid = 0xffda70d6 ;
palegoldenrod = 0xffeee8aa ;
palegreen = 0xff98fb98 ;
paleturquoise = 0xffafeeee ;
palevioletred = 0xffd87093 ;
papayawhip = 0xffffefd5 ;
peachpuff = 0xffffdab9 ;
peru = 0xffcd853f ;
pink = 0xffffc0cb ;
plum = 0xffdda0dd ;
powderblue = 0xffb0e0e6 ;
purple = 0xff800080 ;
red = 0xffff0000 ;
rosybrown = 0xffbc8f8f ;
royalblue = 0xff4169e1 ;
saddlebrown = 0xff8b4513 ;
salmon = 0xfffa8072 ;
sandybrown = 0xfff4a460 ;
seagreen = 0xff2e8b57 ;
seashell = 0xfffff5ee ;
sienna = 0xffa0522d ;
silver = 0xffc0c0c0 ;
skyblue = 0xff87ceeb ;
slateblue = 0xff6a5acd ;
slategray = 0xff708090 ;
slategrey = 0xff708090 ;
snow = 0xfffffafa ;
springgreen = 0xff00ff7f ;
steelblue = 0xff4682b4 ;
tan = 0xffd2b48c ;
teal = 0xff008080 ;
thistle = 0xffd8bfd8 ;
tomato = 0xffff6347 ;
turquoise = 0xff40e0d0 ;
violet = 0xffee82ee ;
wheat = 0xfff5deb3 ;
white = 0xffffffff ;
whitesmoke = 0xfff5f5f5 ;
yellow = 0xffffff00 ;
yellowgreen = 0xff9acd32 ;
// Functions taken from processing.js
/**
* NOTE: in releases we replace symbolic Constants.* names with their values.
* Using Constants.* in code below is fine. See tools/rewrite-pconstants.js.
*/
var Constants = {
// Color modes
RGB: 1,
ARGB: 2,
HSB: 3,
ALPHA: 4,
CMYK: 5,
// Blend modes
REPLACE: 0,
BLEND: 1 << 0,
ADD: 1 << 1,
SUBTRACT: 1 << 2,
LIGHTEST: 1 << 3,
DARKEST: 1 << 4,
DIFFERENCE: 1 << 5,
EXCLUSION: 1 << 6,
MULTIPLY: 1 << 7,
SCREEN: 1 << 8,
OVERLAY: 1 << 9,
HARD_LIGHT: 1 << 10,
SOFT_LIGHT: 1 << 11,
DODGE: 1 << 12,
BURN: 1 << 13,
// Color component bit masks
ALPHA_MASK: 0xff000000,
RED_MASK: 0x00ff0000,
GREEN_MASK: 0x0000ff00,
BLUE_MASK: 0x000000ff,
};
var doFill = true,
fillStyle = [1.0, 1.0, 1.0, 1.0],
isFillDirty = true,
doStroke = true,
strokeStyle = [0.0, 0.0, 0.0, 1.0],
isStrokeDirty = true,
lineWidth = 1,
colorModeA = 255,
colorModeX = 255,
colorModeY = 255,
colorModeZ = 255,
curColorMode = Constants.RGB;
/**
* Determines the largest value in a sequence of numbers.
*
* @param {int|float} value1 int or float
* @param {int|float} value2 int or float
* @param {int|float} value3 int or float
* @param {int|float} array int or float array
*
* @returns {int|float}
*
* @see min
*/
max = function() {
if (arguments.length === 2) {
return arguments[0] < arguments[1] ? arguments[1] : arguments[0];
}
var numbers = arguments.length === 1 ? arguments[0] : arguments; // if single argument, array is used
if (! ("length" in numbers && numbers.length > 0)) {
throw "Non-empty array is expected";
}
var max = numbers[0],
count = numbers.length;
for (var i = 1; i < count; ++i) {
if (max < numbers[i]) {
max = numbers[i];
}
}
return max;
};
/**
* Determines the smallest value in a sequence of numbers.
*
* @param {int|float} value1 int or float
* @param {int|float} value2 int or float
* @param {int|float} value3 int or float
* @param {int|float} array int or float array
*
* @returns {int|float}
*
* @see max
*/
min = function() {
if (arguments.length === 2) {
return arguments[0] < arguments[1] ? arguments[0] : arguments[1];
}
var numbers = arguments.length === 1 ? arguments[0] : arguments; // if single argument, array is used
if (! ("length" in numbers && numbers.length > 0)) {
throw "Non-empty array is expected";
}
var min = numbers[0],
count = numbers.length;
for (var i = 1; i < count; ++i) {
if (min > numbers[i]) {
min = numbers[i];
}
}
return min;
};
function color$4(aValue1, aValue2, aValue3, aValue4) {
var r, g, b, a;
if (curColorMode === Constants.HSB) {
var rgb = color.toRGB(aValue1, aValue2, aValue3);
r = rgb[0];
g = rgb[1];
b = rgb[2];
} else {
r = Math.round(255 * (aValue1 / colorModeX));
g = Math.round(255 * (aValue2 / colorModeY));
b = Math.round(255 * (aValue3 / colorModeZ));
}
a = Math.round(255 * (aValue4 / colorModeA));
// Limit values less than 0 and greater than 255
r = (r < 0) ? 0 : r;
g = (g < 0) ? 0 : g;
b = (b < 0) ? 0 : b;
a = (a < 0) ? 0 : a;
r = (r > 255) ? 255 : r;
g = (g > 255) ? 255 : g;
b = (b > 255) ? 255 : b;
a = (a > 255) ? 255 : a;
// Create color int
return (a << 24) & Constants.ALPHA_MASK | (r << 16) & Constants.RED_MASK | (g << 8) & Constants.GREEN_MASK | b & Constants.BLUE_MASK;
}
function color$2(aValue1, aValue2) {
var a;
if (aValue1 === angleColor) return angleColor;
// Color int and alpha
if (aValue1 & Constants.ALPHA_MASK) {
a = Math.round(255 * (aValue2 / colorModeA));
// Limit values less than 0 and greater than 255
a = (a > 255) ? 255 : a;
a = (a < 0) ? 0 : a;
return aValue1 - (aValue1 & Constants.ALPHA_MASK) + ((a << 24) & Constants.ALPHA_MASK);
}
// Grayscale and alpha
if (curColorMode === Constants.RGB) {
return color$4(aValue1, aValue1, aValue1, aValue2);
}
if (curColorMode === Constants.HSB) {
return color$4(0, 0, (aValue1 / colorModeX) * colorModeZ, aValue2);
}
}
function color$1(aValue1) {
// Grayscale
if (aValue1 <= colorModeX && aValue1 >= 0) {
if (curColorMode === Constants.RGB) {
return color$4(aValue1, aValue1, aValue1, colorModeA);
}
if (curColorMode === Constants.HSB) {
return color$4(0, 0, (aValue1 / colorModeX) * colorModeZ, colorModeA);
}
}
// Color int
if (aValue1) {
if (aValue1 > 2147483647) {
// Java Overflow
aValue1 -= 4294967296;
}
return aValue1;
}
}
/**
* Creates colors for storing in variables of the color datatype. The parameters are
* interpreted as RGB or HSB values depending on the current colorMode(). The default
* mode is RGB values from 0 to 255 and therefore, the function call color(255, 204, 0)
* will return a bright yellow color. More about how colors are stored can be found in
* the reference for the color datatype.
*
* @param {int|float} aValue1 red or hue or grey values relative to the current color range.
* Also can be color value in hexadecimal notation (i.e. #FFCC00 or 0xFFFFCC00)
* @param {int|float} aValue2 green or saturation values relative to the current color range
* @param {int|float} aValue3 blue or brightness values relative to the current color range
* @param {int|float} aValue4 relative to current color range. Represents alpha
*
* @returns {color} the color
*
* @see colorMode
*/
var color = function(aValue1, aValue2, aValue3, aValue4) {
//alert("color");
// 4 arguments: (R, G, B, A) or (H, S, B, A)
if (aValue1 !== undefined && aValue2 !== undefined && aValue3 !== undefined && aValue4 !== undefined) {
return color$4(aValue1, aValue2, aValue3, aValue4);
}
// 3 arguments: (R, G, B) or (H, S, B)
if (aValue1 !== undefined && aValue2 !== undefined && aValue3 !== undefined) {
return color$4(aValue1, aValue2, aValue3, colorModeA);
}
// 2 arguments: (Color, A) or (Grayscale, A)
if (aValue1 !== undefined && aValue2 !== undefined) {
return color$2(aValue1, aValue2);
}
// 1 argument: (Grayscale) or (Color)
if (typeof aValue1 === "number") {
return color$1(aValue1);
}
// Default
return color$4(colorModeX, colorModeY, colorModeZ, colorModeA);
};
// Ease of use function to extract the colour bits into a string
color.toString = function(colorInt) {
return "rgba(" + ((colorInt & Constants.RED_MASK) >>> 16) + "," + ((colorInt & Constants.GREEN_MASK) >>> 8) +
"," + ((colorInt & Constants.BLUE_MASK)) + "," + ((colorInt & Constants.ALPHA_MASK) >>> 24) / 255 + ")";
};
// Easy of use function to pack rgba values into a single bit-shifted color int.
color.toInt = function(r, g, b, a) {
return (a << 24) & Constants.ALPHA_MASK | (r << 16) & Constants.RED_MASK | (g << 8) & Constants.GREEN_MASK | b & Constants.BLUE_MASK;
};
// Creates a simple array in [R, G, B, A] format, [255, 255, 255, 255]
color.toArray = function(colorInt) {
return [(colorInt & Constants.RED_MASK) >>> 16, (colorInt & Constants.GREEN_MASK) >>> 8,
colorInt & Constants.BLUE_MASK, (colorInt & Constants.ALPHA_MASK) >>> 24];
};
// Creates a WebGL color array in [R, G, B, A] format. WebGL wants the color ranges between 0 and 1, [1, 1, 1, 1]
color.toGLArray = function(colorInt) {
return [((colorInt & Constants.RED_MASK) >>> 16) / 255, ((colorInt & Constants.GREEN_MASK) >>> 8) / 255,
(colorInt & Constants.BLUE_MASK) / 255, ((colorInt & Constants.ALPHA_MASK) >>> 24) / 255];
};
// HSB conversion function from Mootools, MIT Licensed
color.toRGB = function(h, s, b) {
// Limit values greater than range
h = (h > colorModeX) ? colorModeX : h;
s = (s > colorModeY) ? colorModeY : s;
b = (b > colorModeZ) ? colorModeZ : b;
h = (h / colorModeX) * 360;
s = (s / colorModeY) * 100;
b = (b / colorModeZ) * 100;
var br = Math.round(b / 100 * 255);
if (s === 0) { // Grayscale
return [br, br, br];
}
var hue = h % 360;
var f = hue % 60;
var p = Math.round((b * (100 - s)) / 10000 * 255);
var q = Math.round((b * (6000 - s * f)) / 600000 * 255);
var t = Math.round((b * (6000 - s * (60 - f))) / 600000 * 255);
switch (Math.floor(hue / 60)) {
case 0:
return [br, t, p];
case 1:
return [q, br, p];
case 2:
return [p, br, t];
case 3:
return [p, q, br];
case 4:
return [t, p, br];
case 5:
return [br, p, q];
}
};
function colorToHSB(colorInt) {
var red, green, blue;
red = ((colorInt & Constants.RED_MASK) >>> 16) / 255;
green = ((colorInt & Constants.GREEN_MASK) >>> 8) / 255;
blue = (colorInt & Constants.BLUE_MASK) / 255;
var max = max(max(red,green), blue),
min = min(min(red,green), blue),
hue, saturation;
if (min === max) {
return [0, 0, max*colorModeZ];
}
saturation = (max - min) / max;
if (red === max) {
hue = (green - blue) / (max - min);
} else if (green === max) {
hue = 2 + ((blue - red) / (max - min));
} else {
hue = 4 + ((red - green) / (max - min));
}
hue /= 6;
if (hue < 0) {
hue += 1;
} else if (hue > 1) {
hue -= 1;
}
return [hue*colorModeX, saturation*colorModeY, max*colorModeZ];
}
/**
* Extracts the brightness value from a color.
*
* @param {color} colInt any value of the color datatype
*
* @returns {float} The brightness color value.
*
* @see red
* @see green
* @see blue
* @see hue
* @see saturation
*/
brightness = function(colInt){
return colorToHSB(colInt)[2];
};
/**
* Extracts the saturation value from a color.
*
* @param {color} colInt any value of the color datatype
*
* @returns {float} The saturation color value.
*
* @see red
* @see green
* @see blue
* @see hue
* @see brightness
*/
saturation = function(colInt){
return colorToHSB(colInt)[1];
};
/**
* Extracts the hue value from a color.
*
* @param {color} colInt any value of the color datatype
*
* @returns {float} The hue color value.
*
* @see red
* @see green
* @see blue
* @see saturation
* @see brightness
*/
hue = function(colInt){
return colorToHSB(colInt)[0];
};
/**
* Extracts the red value from a color, scaled to match current colorMode().
* This value is always returned as a float so be careful not to assign it to an int value.
*
* @param {color} aColor any value of the color datatype
*
* @returns {float} The red color value.
*
* @see green
* @see blue
* @see alpha
* @see >> right shift
* @see hue
* @see saturation
* @see brightness
*/
redF = function(aColor) {
return ((aColor & Constants.RED_MASK) >>> 16) / 255 * colorModeX;
};
/**
* Extracts the green value from a color, scaled to match current colorMode().
* This value is always returned as a float so be careful not to assign it to an int value.
*
* @param {color} aColor any value of the color datatype
*
* @returns {float} The green color value.
*
* @see red
* @see blue
* @see alpha
* @see >> right shift
* @see hue
* @see saturation
* @see brightness
*/
greenF = function(aColor) {
return ((aColor & Constants.GREEN_MASK) >>> 8) / 255 * colorModeY;
};
/**
* Extracts the blue value from a color, scaled to match current colorMode().
* This value is always returned as a float so be careful not to assign it to an int value.
*
* @param {color} aColor any value of the color datatype
*
* @returns {float} The blue color value.
*
* @see red
* @see green
* @see alpha
* @see >> right shift
* @see hue
* @see saturation
* @see brightness
*/
blueF = function(aColor) {
return (aColor & Constants.BLUE_MASK) / 255 * colorModeZ;
};
/**
* Extracts the alpha value from a color, scaled to match current colorMode().
* This value is always returned as a float so be careful not to assign it to an int value.
*
* @param {color} aColor any value of the color datatype
*
* @returns {float} The alpha color value.
*
* @see red
* @see green
* @see blue
* @see >> right shift
* @see hue
* @see saturation
* @see brightness
*/
alpha = function(aColor) {
return ((aColor & Constants.ALPHA_MASK) >>> 24) / 255 * colorModeA;
};
alphaZeroToOne = function(aColor) {
return ((aColor & Constants.ALPHA_MASK) >>> 24) / 255;
};
/**
* Calculates a color or colors between two colors at a specific increment.
* The amt parameter is the amount to interpolate between the two values where 0.0
* equal to the first point, 0.1 is very near the first point, 0.5 is half-way in between, etc.
*
* @param {color} c1 interpolate from this color
* @param {color} c2 interpolate to this color
* @param {float} amt between 0.0 and 1.0
*
* @returns {float} The blended color.
*
* @see blendColor
* @see color
*/
lerpColor = function(c1, c2, amt) {
var r, g, b, a, r1, g1, b1, a1, r2, g2, b2, a2;
var hsb1, hsb2, rgb, h, s;
var colorBits1 = color(c1);
var colorBits2 = color(c2);
if (curColorMode === Constants.HSB) {
// Special processing for HSB mode.
// Get HSB and Alpha values for Color 1 and 2
hsb1 = colorToHSB(colorBits1);
a1 = ((colorBits1 & Constants.ALPHA_MASK) >>> 24) / colorModeA;
hsb2 = colorToHSB(colorBits2);