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<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8" />
<title>Progressive Rendering</title>
<script src="../dist/zrender.js"></script>
</head>
<body>
<div id="main" style="width:1000px;height:600px;"></div>
<script type="text/javascript">
// 初始化zrender
var zr = zrender.init(document.getElementById('main'));
var x1 = Math.random() * 2;
var y1 = Math.random() * zr.getHeight();
var cpx1 = Math.random() * zr.getWidth();
var cpy1 = Math.random() * zr.getHeight();
var x2 = Math.random() * zr.getWidth();
var y2 = Math.random() * zr.getHeight();
for (var i = 0; i < 10000; i++) {
x1 += (Math.random() - 0.5) * 10;
y1 += (Math.random() - 0.5) * 10;
cpx1 += (Math.random() - 0.5) * 10;
cpy1 += (Math.random() - 0.5) * 10;
x2 += (Math.random() - 0.5) * 10;
y2 += (Math.random() - 0.5) * 10;
var checkpoint = !(i % 1000);
var checkpointIdx = Math.round(i / 1000);
zr.add(new zrender.BezierCurve({
shape: {
x1: x1,
y1: y1,
cpx1: cpx1,
cpy1: cpy1,
x2: x2,
y2: y2
},
style: {
lineWidth: 2,
opacity: 0.1,
stroke: 'rgb(' + [
Math.round(255 * checkpointIdx / 10),
Math.round(255 * checkpointIdx / 10),
Math.round(255 * checkpointIdx / 10)
].join(',') + ')'
},
progressive: checkpoint ? -1 : Math.floor(i / 100)
}));
}
</script>
</body>
</html>
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