<html lang="en"><head>
<meta charset="utf-8">
<title>Rapha?l �� Growing Pie</title>
<link rel="stylesheet" href="demo.css" media="screen">
<link rel="stylesheet" href="demo-print.css" media="print">
<style media="screen">
#holder {
height: 400px;
margin: -200px 0 0 -200px;
width: 400px;
}
</style>
<script src="raphael.js"></script>
<script type="text/javascript">
window.onload = function () {
var r = Raphael("holder");
r.customAttributes.segment = function (x, y, r, a1, a2) {
var flag = (a2 - a1) > 180,
clr = (a2 - a1) / 360;
a1 = (a1 % 360) * Math.PI / 180;
a2 = (a2 % 360) * Math.PI / 180;
return {
path: [["M", x, y], ["l", r * Math.cos(a1), r * Math.sin(a1)], ["A", r, r, 0, +flag, 1, x + r * Math.cos(a2), y + r * Math.sin(a2)], ["z"]],
fill: "hsb(" + clr + ", .75, .8)"
};
};
function animate(ms) {
var start = 0,
val;
for (i = 0; i < ii; i++) {
val = 360 / total * data[i];
paths[i].animate({segment: [200, 200, 150, start, start += val]}, ms || 1500, "bounce");
paths[i].angle = start - val / 2;
}
}
var data = [24, 92, 24, 52],
paths = r.set(),
total,
start,
bg = r.circle(200, 200, 0).attr({stroke: "#fff", "stroke-width": 1});
data = data.sort(function (a, b) { return b - a;});
total = 0;
for (var i = 0, ii = data.length; i < ii; i++) {
total += data[i];
}
start = 0;
for (i = 0; i < ii; i++) {
var val = 360 / total * data[i];
(function (i, val) {
paths.push(r.path().attr({segment: [200, 200, 1, start, start + val], stroke: "#fff"}).click(function () {
total += data[i];
data[i] *= 2;
animate();
}));
})(i, val);
start += val;
}
bg.animate({r: 151}, 1000, "bounce");
animate(1000);
r.circle(200, 200, 20).attr({fill: "#ffaa11", stroke: "#fff", "stroke-width": 1});
var t = r.text(200, 20, "Click on segments to make them bigger.").attr({font: '100 20px "Helvetica Neue", Helvetica, "Arial Unicode MS", Arial, sans-serif', fill: "#fff"});
};
</script>
</head>
<body>
<div id="holder"></div>
<p id="copy">Demo of <a href="http://raphaeljs.com/">Rapha?l</a>��JavaScript Vector Library</p>
</body></html>
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