65 lines
1.3 KiB
HTML
65 lines
1.3 KiB
HTML
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<style>
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canvas {
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border: 1px solid #eee;
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}
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</style>
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<script src="../build/build.js"></script>
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<canvas width=500 height=400></canvas>
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<script>
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var Tween = require('tween');
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var raf = require('component-raf');
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var canvas = document.querySelector('canvas');
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var ctx = canvas.getContext('2d');
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var w = canvas.width, h = canvas.height;
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var tween = Tween({ x: w/2, y: 20, r: 10, a: .5 })
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.ease('out-bounce')
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.to({ x: w/2, y: h-8, r: 10, a: .5 })
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.duration(2000);
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tween.update(function(o){
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canvas.width = canvas.width;
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ctx.fillStyle = 'red';
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ctx.globalAlpha = o.a;
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ctx.arc(o.x | 0, o.y | 0, o.r, 0, Math.PI * 2, false);
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ctx.fill();
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});
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var n = 0;
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tween.on('end', function(){
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switch (n++) {
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case 0:
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tween
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.to({ x: w/2, y: 20, r: 10, a: .5 })
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.ease('out-sine')
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.duration(500);
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break;
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case 1:
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tween
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.to({ x: w/2, y: h/2, r: 10, a: .5 })
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.ease('in-out-back')
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.duration(800);
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break;
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case 2:
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tween
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.to({ x: w/2, y: h/2, r: 80, a: 1 })
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.ease('out-bounce')
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.duration(1500);
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break;
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default:
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animate = function(){};
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}
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});
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function animate() {
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raf(animate);
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tween.update();
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}
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animate();
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</script>
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