mirror of
https://github.com/tweenjs/tween.js.git
synced 2025-12-08 20:16:12 +00:00
82 lines
2.3 KiB
HTML
82 lines
2.3 KiB
HTML
<!DOCTYPE html>
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<html lang="en">
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<head>
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<title>Tween.js / relative start time</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>13 _ relative start time</h2>
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<br>
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<p>One starts late, Two starts early.</p>
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</div>
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<div id="target1" style="position:absolute; top: 100px; left: 100px; width: 100px; height: 100px; background: #a0dde9; padding: 1em;">
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One
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</div>
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<div id="target2" style="position:absolute; top: 300px; left: 100px; width: 100px; height: 100px; background: #a0dde9; padding: 1em;">
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Two
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</div>
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<script src="../dist/tween.umd.js"></script>
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<script src="js/RequestAnimationFrame.js"></script>
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<script>
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var position;
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var target;
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var tween1, tween2;
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init();
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animate();
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function init() {
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position1 = {x: 100, y: 100, rotation: 0};
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position2 = {x: 100, y: 300, rotation: 0};
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target1 = document.getElementById('target1');
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target2 = document.getElementById('target2');
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tween1 = new TWEEN.Tween(position1)
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.to({x: 700, y: 200, rotation: 359}, 2000)
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.easing(TWEEN.Easing.Elastic.InOut)
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.onUpdate(update1);
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tween2 = new TWEEN.Tween(position2)
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.to({x: 500, y: 300, rotation: -90}, 2000)
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.onUpdate(update2);
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tween1.start('+4000');
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tween2.start('-500');
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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 update1() {
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target1.style.left = position1.x + 'px';
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target1.style.top = position1.y + 'px';
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target1.style.webkitTransform = 'rotate(' + Math.floor(position1.rotation) + 'deg)';
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target1.style.MozTransform = 'rotate(' + Math.floor(position1.rotation) + 'deg)';
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}
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function update2() {
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target2.style.left = position2.x + 'px';
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target2.style.top = position2.y + 'px';
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target2.style.webkitTransform = 'rotate(' + Math.floor(position2.rotation) + 'deg)';
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target2.style.MozTransform = 'rotate(' + Math.floor(position2.rotation) + 'deg)';
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}
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</script>
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</body>
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</html>
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