mirror of
https://github.com/tweenjs/tween.js.git
synced 2025-12-08 20:16:12 +00:00
67 lines
1.6 KiB
HTML
67 lines
1.6 KiB
HTML
<!doctype html>
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<html lang="en">
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<head>
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<title>Tween.js / relative values</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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<style type="text/css">
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.box {
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width: 100px;
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height: 100px;
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margin: 10px;
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padding: 10px;
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display: inline-block;
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float: left;
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}
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#target1 {
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background: #fcc;
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}
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</style>
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<script src="../dist/tween.umd.js"></script>
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<script>
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window.onload = function () {
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init()
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animate()
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}
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function init() {
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var target1 = document.getElementById('target1'),
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tween1 = new TWEEN.Tween(target1.dataset)
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.to({top: '+20', left: '-20'}, 500)
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.repeat(5)
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.delay(500)
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.easing(TWEEN.Easing.Exponential.In)
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.onUpdate(function (object) {
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object.top = Math.round(object.top)
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object.left = Math.round(object.left)
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updateBox(target1, object)
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})
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.start()
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updateBox(target1, target1.dataset)
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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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}
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function updateBox(box, params) {
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var s = box.style
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var transform = 'translate(' + params.left + 'px, ' + params.top + 'px)'
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s.transform = transform
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}
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</script>
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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>09 _ relative values</h2>
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<p>Tweening to relative values, with repeat.</p>
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</div>
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<div style="position: absolute; left: 400px">
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<div id="target1" style="position: absolute" data-top="150" data-left="150" class="box"></div>
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</div>
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</body>
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</html>
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