mirror of
https://github.com/tweenjs/tween.js.git
synced 2026-02-01 17:27:10 +00:00
167 lines
4.1 KiB
HTML
167 lines
4.1 KiB
HTML
<!doctype html>
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<html lang="en">
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<head>
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<title>Tween.js / yoyo</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>10 _ yoyo</h2>
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<p>Demonstrating the yoyo() feature.</p>
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<button onclick="restart()">restart</button>
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<button onclick="stop()">stop</button>
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<button onclick="start()">start</button>
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<button onclick="pause()">pause</button>
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<button onclick="resume()">resume</button>
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</div>
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<div style="position: absolute; top: 100px; left: 400px">
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<div id="target1" data-rotation="0" data-y="0" class="box" style="left: 0px; top: 0px">yoyo with repeat once</div>
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<div id="target2" data-rotation="0" data-y="0" class="box" style="left: 200px; top: 0px">
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yoyo with repeat forever
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</div>
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<div id="target3" data-rotation="0" data-y="0" class="box" style="left: 400px; top: 0px">
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yoyo with repeat once, relative values
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</div>
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<div id="target4" data-rotation="0" data-y="0" class="box" style="left: 600px; top: 0px">
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yoyo with repeat forever, relative values
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</div>
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</div>
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<script src="../dist/tween.umd.js"></script>
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<script>
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init()
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animate()
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var restart, stop, start, pause, resume
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function init() {
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var target1 = document.getElementById('target1')
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var tween1 = new TWEEN.Tween(target1.dataset)
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.to({rotation: 360, y: 300}, 750)
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.repeat(1)
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.delay(1000)
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.yoyo(true)
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.easing(TWEEN.Easing.Cubic.InOut)
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.onUpdate(function (object) {
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updateBox(target1, object)
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})
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.start()
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var target2 = document.getElementById('target2')
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var tween2 = new TWEEN.Tween(target2.dataset)
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.to({rotation: 360, y: 300}, 750)
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.repeat(Infinity)
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.delay(1000)
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.yoyo(true)
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.easing(TWEEN.Easing.Cubic.InOut)
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.onUpdate(function (object) {
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updateBox(target2, object)
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})
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.start()
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var target3 = document.getElementById('target3')
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var tween3 = new TWEEN.Tween(target3.dataset)
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.to({rotation: '+360', y: '+300'}, 750)
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.repeat(1)
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.delay(1000)
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.yoyo(true)
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.easing(TWEEN.Easing.Cubic.InOut)
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.onUpdate(function (object) {
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updateBox(target3, object)
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})
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.start()
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var target4 = document.getElementById('target4')
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var tween4 = new TWEEN.Tween(target4.dataset)
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.to({rotation: '+360', y: '+300'}, 750)
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.repeat(Infinity)
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.delay(1000)
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.yoyo(true)
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.easing(TWEEN.Easing.Cubic.InOut)
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.onUpdate(function (object) {
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updateBox(target4, object)
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})
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.start()
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restart = function () {
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tween1.stop().start()
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tween2.stop().start()
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tween3.stop().start()
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tween4.stop().start()
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}
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stop = function () {
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tween1.stop()
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tween2.stop()
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tween3.stop()
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tween4.stop()
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}
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start = function () {
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tween1.start()
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tween2.start()
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tween3.start()
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tween4.start()
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}
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pause = function () {
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tween1.pause()
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tween2.pause()
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tween3.pause()
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tween4.pause()
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}
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resume = function () {
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tween1.resume()
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tween2.resume()
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tween3.resume()
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tween4.resume()
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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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}
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function updateBox(box, params) {
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var s = box.style,
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transform = 'translateY(' + Math.round(params.y) + 'px) rotate(' + Math.floor(params.rotation) + 'deg)'
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s.webkitTransform = transform
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s.mozTransform = transform
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s.transform = transform
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}
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</script>
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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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display: flex;
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flex-flow: row;
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align-items: center;
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text-align: center;
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-webkit-border-radius: 70px;
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-moz-border-radius: 70px;
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border-radius: 70px;
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position: absolute;
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border: 1px solid black;
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font-size: 10px;
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padding: 20px;
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}
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#target1 {
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background: #fcc;
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}
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#target2 {
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background: #cfc;
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}
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#target3 {
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background: orange;
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}
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#target4 {
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background: skyblue;
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}
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</style>
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</body>
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</html>
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