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This commit is contained in:
Jürg Lehni 2015-10-21 02:45:57 +02:00
parent 169f18617c
commit f8595e93c6
1 changed files with 8 additions and 8 deletions
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16
src/path/Curve.js
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@ -1656,7 +1656,7 @@ new function() { // Scope for intersection using bezier fat-line clipping
return { statics: /** @lends Curve */{
_getIntersections: function(v1, v2, c1, c2, locations, param) {
if (!v2) {
// If v2 is not provided, search for self intersection on v1.
// If v2 is not provided, search for a self-intersection on v1.
return Curve._getSelfIntersection(v1, c1, locations, param);
}
// Avoid checking curves if completely out of control bounds. As
@ -1822,8 +1822,8 @@ new function() { // Scope for intersection using bezier fat-line clipping
},
/**
* Code to detect overlaps of intersecting curves by @iconexperience:
* https://github.com/paperjs/paper.js/issues/648
* Code to detect overlaps of intersecting based on work by
* @iconexperience: https://github.com/paperjs/paper.js/issues/648
*/
getOverlaps: function(v1, v2) {
var abs = Math.abs,
@ -1860,7 +1860,7 @@ new function() { // Scope for intersection using bezier fat-line clipping
var v = [v1, v2],
pairs = [];
// Iterate through all end points: First p1 and p2 of curve 1,
// then p1 and p2 of curve 2
// then p1 and p2 of curve 2.
for (var i = 0, t1 = 0;
i < 2 && pairs.length < 2;
i += t1 === 0 ? 0 : 1, t1 = t1 ^ 1) {
@ -1876,16 +1876,16 @@ new function() { // Scope for intersection using bezier fat-line clipping
abs(pair[1] - pairs[0][1]) > timeEpsilon)
pairs.push(pair);
}
// If we checked 3 points but found no match, curves cannot
// overlap
// If we checked 3 points but found no match,
// curves cannot overlap.
if (i === 1 && pairs.length === 0)
break;
}
if (pairs.length !== 2) {
pairs = null;
} else if (!straight) {
// Straight pairs don't need further checks. If we found 2 pairs
// the end points on v1 & v2 should be the same.
// Straight pairs don't need further checks. If we found
// 2 pairs, the end points on v1 & v2 should be the same.
var o1 = Curve.getPart(v1, pairs[0][0], pairs[1][0]),
o2 = Curve.getPart(v2, pairs[0][1], pairs[1][1]);
// Check if handles of the overlapping curves are the same too.