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Update curve time parametrization example.

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This commit is contained in:
Jürg Lehni 2011-03-20 11:41:58 +00:00
parent 417d015eab
commit d99d07bda0
1 changed files with 18 additions and 6 deletions
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24
examples/Scripts/CurveTimeParametrization.html
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@ -12,20 +12,32 @@
path.strokeWidth = 1;
path.strokeColor = 'black';
var curve = path.curves[0];
function onMouseMove(event) {
curve.segment2.point = event.point;
modifyCurve(event.point, false, true);
}
function modifyCurve(point, iteratively, remove) {
curve.segment2.point = point;
var length = curve.length;
var step = 10;
var num = Math.round(length / step);
step = length / num;
var num = Math.floor(length / step);
var prev = 0;
for (var i = 0, pos = 0; i <= num; i++, pos += step) {
var t = curve.getParameter(pos);
var t = iteratively
? curve.getParameter(step, prev)
: curve.getParameter(pos);
var point = curve.getPoint(t);
var circle = new Path.Circle(point, 3);
var circle = new Path.Circle(point, step / 2);
circle.strokeColor = 'red';
circle.removeOnMove();
if (remove)
circle.removeOnMove();
prev = t;
}
}
// modifyCurve(new Point(400, 377), false, false);
</script>
</head>
<body>