scratchfoundation/paper.js
1
0
Fork 0
mirror of https://github.com/scratchfoundation/paper.js.git synced 2025-01-08 05:42:07 -05:00
Code Issues Projects Releases Packages Wiki Activity Actions

Prevent infinite loops through circular references of multiple intersections.

Browse source
This commit is contained in:
Jürg Lehni 2015-09-21 09:43:19 -04:00
parent 40570b3e59
commit 19a17b2918
1 changed files with 15 additions and 9 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

10
src/path/PathItem.Boolean.js
View file

@ -215,15 +215,21 @@ PathItem.inject(new function() {
// Link the new segment with the intersection on the other curve // Link the new segment with the intersection on the other curve
var inter = segment._intersection; var inter = segment._intersection;
if (inter) { if (inter) {
var other = inter._curve; var other = inter._intersection,
next = loc._next;
while (next && next !== other) {
next = next._next;
}
if (!next) {
console.log('Link' console.log('Link'
+ ', seg: ' + segment._path._id + '.' + segment._index + ', seg: ' + segment._path._id + '.' + segment._index
+ ', other: ' + other._path._id); + ', other: ' + inter._curve._path._id);
// Create a chain of possible intersections linked through _next // Create a chain of possible intersections linked through _next
// First find the last intersection in the chain, then link it. // First find the last intersection in the chain, then link it.
while (inter._next) while (inter._next)
inter = inter._next; inter = inter._next;
inter._next = loc._intersection; inter._next = loc._intersection;
}
} else { } else {
segment._intersection = loc._intersection; segment._intersection = loc._intersection;
} }