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Improve Line.intersect() comments.

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This commit is contained in:
Jürg Lehni 2015-10-01 04:50:41 -05:00
parent 75a004187e
commit 0ca5a106de
1 changed files with 3 additions and 4 deletions
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7
src/basic/Line.js
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@ -135,12 +135,11 @@ var Line = Base.extend(/** @lends Line# */{
dy = p1y - p2y,
u1 = (v2x * dy - v2y * dx) / cross,
u2 = (v1x * dy - v1y * dx) / cross,
// Compare the u values with EPSILON tolerance over the
// [0, 1] bounds.
// Check the ranges of the u parameters if the line is not
// allowed to extend beyond the definition points, but
// compare with EPSILON tolerance over the [0, 1] bounds.
uMin = -/*#=*/Numerical.EPSILON,
uMax = 1 + uMin;
// Check the ranges of t parameters if the line is not allowed
// to extend beyond the definition points.
if (isInfinite
|| uMin < u1 && u1 < uMax && uMin < u2 && u2 < uMax) {
if (!isInfinite) {