<!DOCTYPE html>

<html>

<head>

<title>TweenJS: CSS Tweening Example</title>

<link href="../_assets/css/shared.css" rel="stylesheet" type="text/css"/>

<link href="../_assets/css/examples.css" rel="stylesheet" type="text/css"/>

<link href="../_assets/css/tweenjs.css" rel="stylesheet" type="text/css"/>

<script src="../_assets/js/examples.js" type="text/javascript"></script>

<script type="text/javascript" src="../lib/tweenjs-NEXT.js"></script>

<!-- We also provide hosted minified versions of all CreateJS libraries.

http://code.createjs.com -->

<script type="text/javascript" src="../src/tweenjs/plugins/CSSPlugin.js"></script>

<!-- We also provide hosted minified versions of all CreateJS libraries.

http://code.createjs.com -->

<script id="editable">

var colorSeed = 0;

function init() {

createjs.CSSPlugin.install();

var count = 300;

while (--count >= 0) {

// create a new box:

var box = document.createElement("div");

box.style.width = "1%";

box.style.height = "4%";

box.style.position = "absolute";

box.style.borderRadius = "2px";

box.style.backgroundColor = "#0F0";

box.style.opacity = 0;

document.body.appendChild(box);

// set up initial rotation & position:

var a = (Math.random() * Math.PI * 2 * 16 | 0) / 16;

box.style.transform = "translate(-50%,-50%) translate(50vw,50vh) rotate(" + a + "rad)";

var d = 5;

box.style.left = Math.cos(a) * d + "vh";

box.style.top = Math.sin(a) * d + "vh";

// calculate the target position:

d = Math.random()*20+20;

var x = Math.cos(a) * d;

var y = Math.sin(a) * d;

// create the tween:

// CSSPlugin will use the value suffix it initially finds on the target's style.

// So in this case, top/left use "vh", width/height use "%" and opacity has no suffix.

createjs.Tween.get(box, {loop: -1}, true).wait(Math.random() * 2000| 0).to({opacity:1}).call(updateColor).to({top: y, left: x, width: 10, height: 0, opacity: 0.6}, Math.random() * 500 + 500, createjs.Ease.quadInOut);

}

// tween the base color that divs will be assigned when they start moving:

createjs.Tween.get(this, {loop: -1}).to({colorSeed: 360}, 5000);

createjs.Ticker.timingMode = createjs.Ticker.RAF;

}

function updateColor(tween) {

// grab the tween's target (the style object), and update it's color

tween.target.style.backgroundColor = "hsl(" + (Math.random() * 60 + colorSeed | 0) + ",100%,50%)";

}

</script>

</head>

<body onload="init();" style="background-color:#111111; overflow:hidden">

<header class="TweenJS">

<h1>CSS Plugin Example</h1>

<p>The CSS Plugin tweens CSS values on HTML DOM elements, and handles unit suffixes (such as px).</p>

</header>

</body>

</html>