scratchfoundation/paper.js
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This commit is contained in:
Jürg Lehni 2011-07-05 01:20:25 +02:00
parent 277ab844f2
commit 4110a56521
2 changed files with 6 additions and 2 deletions
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4
src/path/Curve.js
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@ -316,8 +316,8 @@ var Curve = this.Curve = Base.extend(/** @lends Curve# */{
for (var i = 0, l = roots != Infinity && roots.length; i < l; i++) {
var t = roots[i];
if (t >= 0 && t < 1 && this.getPoint(t).x > point.x) {
// If we're close to 0 and are not changing y-direction from.
// previous curve, do not count this solution, as we're merely
// If we're close to 0 and are not changing y-direction from the
// previous curve, do not count this root, as we're merely
// touching a tip.
if (t < Numerical.TOLERANCE
&& prevSlope * this.getTangent(t).y >= 0)

4
src/path/Path.js
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@ -1166,6 +1166,10 @@ var Path = this.Path = PathItem.extend(/** @lends Path# */{
point = Point.read(arguments);
if (!this._closed || !this.getBounds().contains(point))
return false;
// Use the crossing number algorithm, by counting the crossings of the
// beam in right y-direction with the shape, and see if it's an odd
// number, meaning the starting point is inside the shape.
// http://en.wikipedia.org/wiki/Point_in_polygon
var curves = this.getCurves(),
prevCurve = this.getLastCurve(),
crossings = 0;