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Add example for curve time parametrization testing.

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Jürg Lehni 2011-03-20 00:11:06 +00:00
parent 7ae504e51f
commit c1d70c90bb
1 changed files with 33 additions and 0 deletions
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examples/Scripts/CurveTimeParametrization.html Normal file
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<!DOCTYPE html>
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8">
<title>Example</title>
<script type="text/javascript">var root = '../../'</script>
<script type="text/javascript" src="../../src/load.js"></script>
<script type="text/paperscript" canvas="canvas">
var path = new Path();
path.moveTo(200, 200);
path.curveTo([170, 50], [300, 200]);
path.strokeWidth = 1;
path.strokeColor = 'black';
var curve = path.curves[0];
function onMouseMove(event) {
curve.segment2.point = event.point;
var length = curve.length;
var step = 10;
var num = Math.round(length / step);
step = length / num;
for (var i = 0, pos = 0; i <= num; i++, pos += step) {
var t = curve.getParameter(pos);
var point = curve.getPoint(t);
var circle = new Path.Circle(point, 3);
circle.strokeColor = 'red';
circle.removeOnMove();
}
}
</script>
</head>
<body>
<canvas id='canvas' width=1024 height=768></canvas>
</body>