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Implement a faster method to filter out beginnings of intersected curves.

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This commit is contained in:
Jürg Lehni 2013-04-09 20:35:31 -07:00
parent a9a0857ba4
commit 7f245974e6
2 changed files with 9 additions and 8 deletions
src/path
Curve.js

9
src/path/Curve.js
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@ -667,11 +667,10 @@ statics: {
// See if the parametric equations of the lines interesct.
var line1 = new Line(v1[0], v1[1], v1[6], v1[7], false),
line2 = new Line(v2[0], v2[1], v2[6], v2[7], false),
point = line1.intersect(line2);
// Filter out beginnings of the curves, to avoid duplicate
// solutions where curves join.
if (point && !point.equals(line1.point)
&& !point.equals(line2.point))
// Filter out beginnings of the curves, to avoid duplicate
// solutions where curves join.
point = line1.intersect(line2, true, false);
if (point)
// Passing null for parameter leads to lazy determination of
// parameter values in CurveLocation#getParameter() only
// once they are requested.