mirror of
https://github.com/tweenjs/tween.js.git
synced 2025-12-08 20:16:12 +00:00
92 lines
2.3 KiB
HTML
92 lines
2.3 KiB
HTML
<!DOCTYPE html>
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<html lang="en">
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<head>
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<title>bars / Tween.js</title>
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<meta http-equiv="Content-Type" content="text/html; charset=UTF-8">
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<link href="css/style.css" media="screen" rel="stylesheet" type="text/css" />
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</head>
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<body>
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<div id="info">
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<h1><a href="http://github.com/sole/tween.js">tween.js</a></h1>
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<h2>01 _ Bars</h2>
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<p>1000 bars, moving horizontally, looped.</p>
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</div>
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<div id="target"></div>
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<script src="../build/tween.min.js"></script>
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<script src="js/stats.min.js"></script>
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<script src="js/RequestAnimationFrame.js"></script>
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<script>
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var stats;
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var elems = [];
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init();
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animate();
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function init() {
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stats = new Stats();
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var sds = stats.domElement.style;
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sds.position = 'absolute';
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sds.right = '0px';
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sds.top = '0px';
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sds.margin = '4em 3em';
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document.body.appendChild(stats.domElement);
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elems = [];
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for(var i = 0; i < 1000; i++) {
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var startValue = 500 + (Math.random() - Math.random()) * 250;
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var endValue = 500 + (Math.random() - Math.random()) * 250;
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var domElement = document.createElement('div');
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var bg = (Math.random() * 0xffffff) >> 0;
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domElement.style.position = 'absolute';
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domElement.style.top = (Math.random() * window.innerHeight) + 'px';
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domElement.style.left = startValue + 'px';
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domElement.style.background = '#' + bg.toString(16);
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domElement.style.width = '100px';
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domElement.style.height = '2px';
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var elem = { x: startValue, domElement: domElement };
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var updateCallback = function() {
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this.domElement.style.left = this.x + 'px';
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}
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var tween = new TWEEN.Tween(elem)
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.to({ x: endValue }, 4000)
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.delay(Math.random() * 1000)
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.onUpdate(updateCallback)
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.easing(TWEEN.Easing.Back.Out)
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.start();
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var tweenBack = new TWEEN.Tween(elem, false)
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.to({ x: startValue}, 4000)
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.delay(Math.random() * 1000)
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.onUpdate(updateCallback)
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.easing(TWEEN.Easing.Elastic.InOut);
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tween.chain(tweenBack);
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tweenBack.chain(tween);
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document.body.appendChild(elem.domElement);
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elems.push(elem);
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}
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}
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function animate() {
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requestAnimationFrame( animate );
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TWEEN.update();
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stats.update();
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}
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</script>
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</body>
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</html>
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