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Add an example of relative start times.

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Michael Casebolt 2017-07-27 14:17:46 -07:00
parent 6da570fe81
commit 1abfbbebc2
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examples/13_relative_start_time.html Normal file
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<!DOCTYPE html>
<html lang="en">
<head>
<title>Tween.js / hello world!</title>
<meta http-equiv="Content-Type" content="text/html; charset=UTF-8">
<link href="css/style.css" media="screen" rel="stylesheet" type="text/css" />
</head>
<body>
<div id="info">
<h1><a href="http://github.com/tweenjs/tween.js">tween.js</a></h1>
<h2>13 _ relative start time</h2>
<br>
<p>One starts late, Two starts early.</p>
</div>
<div id="target1" style="position:absolute; top: 100px; left: 100px; width: 100px; height: 100px; background: #a0dde9; padding: 1em;">
One
</div>
<div id="target2" style="position:absolute; top: 300px; left: 100px; width: 100px; height: 100px; background: #a0dde9; padding: 1em;">
Two
</div>
<script src="../src/Tween.js"></script>
<script src="js/RequestAnimationFrame.js"></script>
<script>
var position;
var target;
var tween1, tween2;
init();
animate();
function init() {
position1 = {x: 100, y: 100, rotation: 0};
position2 = {x: 100, y: 300, rotation: 0};
target1 = document.getElementById('target1');
target2 = document.getElementById('target2');
tween1 = new TWEEN.Tween(position1)
.to({x: 700, y: 200, rotation: 359}, 2000)
.easing(TWEEN.Easing.Elastic.InOut)
.onUpdate(update1);
tween2 = new TWEEN.Tween(position2)
.to({x: 500, y: 300, rotation: -90}, 2000)
.onUpdate(update2);
tween1.start('+4000');
tween2.start('-500');
}
function animate( time ) {
requestAnimationFrame( animate );
TWEEN.update( time );
}
function update1() {
target1.style.left = position1.x + 'px';
target1.style.top = position1.y + 'px';
target1.style.webkitTransform = 'rotate(' + Math.floor(position1.rotation) + 'deg)';
target1.style.MozTransform = 'rotate(' + Math.floor(position1.rotation) + 'deg)';
}
function update2() {
target2.style.left = position2.x + 'px';
target2.style.top = position2.y + 'px';
target2.style.webkitTransform = 'rotate(' + Math.floor(position2.rotation) + 'deg)';
target2.style.MozTransform = 'rotate(' + Math.floor(position2.rotation) + 'deg)';
}
</script>
</body>
</html>