mirror of
https://github.com/tweenjs/tween.js.git
synced 2025-12-08 20:16:12 +00:00
82 lines
2.2 KiB
HTML
82 lines
2.2 KiB
HTML
<!doctype html>
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<html lang="en">
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<head>
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<title>Tween.js / bars</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/tweenjs/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="../dist/tween.umd.js"></script>
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<script src="js/stats.min.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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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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const y = Math.random() * window.innerHeight
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domElement.style.translate = startValue + 'px ' + y + '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, y}
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var updateCallback = function (object) {
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object.domElement.style.translate = object.x + 'px ' + object.y + '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)
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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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}
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}
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function animate(time) {
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requestAnimationFrame(animate)
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TWEEN.update(time)
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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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