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Author SHA1 Message Date
Jürg Lehni
63303a59f4 Change PathItem#getIntersections() so that the simply circularity checks in addLocations() work. 
This should address the concerns outlined in https://github.com/paperjs/paper.js/issues/805#issuecomment-147850806
 2015-10-20 15:18:09 +02:00
Jürg Lehni
e0c31e4a50 Make static getIntersections() methods 'private'. 2015-10-20 10:02:33 +02:00
Jürg Lehni
f1debf401b Streamline overlap handling code. 2015-10-20 10:02:00 +02:00
iconexperience
f8edf5d8a7 Small refactoring in getConvexHull() 
Make calculations of distances more concise.
 2015-10-12 08:42:36 +02:00
Jürg Lehni
588ddbe011 Add comments to Curve#getParameterOf() 2015-10-11 17:09:04 +02:00
Jürg Lehni
c1d0bd21b8 Improve Curve#getParameterOf() to better handle very small curves. 
See #799
 2015-10-11 16:59:03 +02:00
Jürg Lehni
d20cdf5b73 There can only be one self-intersection per curve. 2015-10-11 09:48:55 +02:00
Jürg Lehni
8a122e19d8 Split self-intersection handling into separate method. 
Increasing readability of both methods.
 2015-10-11 09:26:04 +02:00
Jürg Lehni
7aed221801 Some refactoring in static methods of CurveLocation. 2015-10-11 09:18:50 +02:00
Jürg Lehni
688f580b95 Switch to new Curve.getParameterOf() 
Simpler code, but improved precision means more glitches to analyze.
 2015-10-09 10:34:46 +02:00
Jürg Lehni
939a9fe034 Improve overlap handling by actually storing overlap curves on intersections objects. 
And properly comparing against them in tracePaths().
 2015-10-08 23:54:00 +02:00
Jürg Lehni
8e4bef217a Change Curve.getParameterOf() to accept a point instead of x, y arguments. 2015-10-06 21:24:58 +02:00
Jürg Lehni
525e35518d No need to default to 0 anymore. 
See 1b343d5347 (commitcomment-13622714)
 2015-10-06 21:16:49 +02:00
Jürg Lehni
bc736f439f Have Numerical.CURVETIME_EPSILON / 10 evaluated at preprocess time. 2015-10-06 21:14:43 +02:00
Jürg Lehni
7f4d8d54f0 Reduce epsilon in addCurveIntersections() 
1/10 of CURVETIME_EPSILON appears to produce good results. It's probably wise to keep it linked.
 2015-10-06 21:14:04 +02:00
Jürg Lehni
3ac3df8d32 Rewrite method for linking and choosing multiple intersections in the same location. 
The special handling of overlaps reduces the amount of remaining glitches substantially.

Relates to #784.
 2015-10-06 21:09:35 +02:00
Jürg Lehni
adabe9126a Simplify calculation of tMinNew and tMaxNew. 
As suggested by @iconexperience in https://github.com/paperjs/paper.js/issues/795#issuecomment-145918347
 2015-10-06 20:15:15 +02:00
Jürg Lehni
1b343d5347 Rewrite 04cab797db to only use one return statement. 2015-10-06 16:31:30 +02:00
Jürg Lehni
99d969e962 Merge pull request #798 from iconexperience/Improve-clipConvexHullPart 
Improve clipConvexHullPart()
 2015-10-06 16:21:41 +02:00
Jürg Lehni
3a65c87843 Some code formatting and a fix for a typo in new getConvexHull() 2015-10-06 16:09:35 +02:00
Jan
04cab797db Improve clipConvexHullPart() 
Separately handle special cases
 2015-10-06 15:25:40 +02:00
Jan
ea035bd9e4 New getConvexHull() 2015-10-06 15:19:33 +02:00
Jürg Lehni
b3d45b6624 Some code clean-up in addCurveIntersections() 2015-10-05 19:32:13 +02:00
Jürg Lehni
c8132584b9 Pass on original curves to addLocation(), to correctly determine p1 and p2. 
This fixes one glitch in @iconexperience's test suite.
 2015-10-05 19:31:38 +02:00
Jürg Lehni
1f03b00f99 Remove handling of converged fat-line, as it causes issues. 
Example 23 in #784 was caused by this, and the code's removal has not produced any new issues, while it solved 6 issues in @iconexperience's test suite.

Closes #795
 2015-10-05 17:20:56 +02:00
Jürg Lehni
86b1b74869 Prevent detection of tiny overlaps and streamline addOverlap() code. 2015-10-03 12:55:32 -05:00
Jürg Lehni
2bed611648 Improve Curve#getPart() to directly handle reversed curves and write docs for it. 2015-10-03 12:55:05 -05:00
Jürg Lehni
6fb4b7e3c4 Change the way overlaps are detected in lines. 
We don't really care weather they are actually fully collinear, we only really care about the distances from the beginnings- and end-points of one line from the other, since that proximity will affect results elsewhere.
 2015-10-03 11:46:50 -05:00
Jürg Lehni
2167e458ae Since we're using sorting now, we can add all start- / end-point intersections before finding the ones within the curves. 2015-10-03 10:38:45 -05:00
Jürg Lehni
c0bb6890bd Switch back to CURVETIME_EPSILON now that overlap edge-case appears to be handled. 2015-10-01 20:47:56 -05:00
Jürg Lehni
9b883e5fb6 Introduce new TRIGONOMETRIC_EPSILON with higher precision than GEOMETRIC_EPSILON. 2015-10-01 20:44:27 -05:00
Jürg Lehni
f5012a78e9 Reformat nested ternary operators again. 
This got messed up in a recent refactoring.
 2015-10-01 20:24:47 -05:00
Jürg Lehni
72f9705615 Fix overeager refactoring in c77165be3a 2015-10-01 08:49:26 -05:00
Jürg Lehni
fee3a90329 Fixed leaked globals. 2015-10-01 07:05:00 -05:00
Jürg Lehni
b8c6eb46ad Fix weirdness of Curve#divide() modifying the wrong Curve object. 2015-10-01 06:52:08 -05:00
Jürg Lehni
c77165be3a Fix issue in Curve#divide() that lead to intersection segments being linked up wrongly. 
Relates to #784
 2015-10-01 06:21:17 -05:00
Jürg Lehni
53dd726057 Rename ignoreStraight argument to _setHandles 2015-10-01 05:55:22 -05:00
Jürg Lehni
75a004187e Improve Line.intersect() to more reliably find interesctions at the beginnings / ends. 
Relates to #784
 2015-10-01 04:38:48 -05:00
Jürg Lehni
53ff973f06 Perform the faster check first. 2015-10-01 03:38:35 -05:00
Jürg Lehni
5f706a4a5d Use lower tolerance in bezier clipping code. 
This really should be Numerical.CURVETIME_EPSILON, but I get better results using Numerical.GEOMETRIC_EPSILON. Perhaps Numerical.CURVETIME_EPSILON / 2 is the right value to use though.
 2015-09-30 14:19:40 -05:00
Jürg Lehni
9bcf369e6a Ony split potentially self-intersecting curves if there are actual canditates. 2015-09-30 13:44:51 -05:00
Jürg Lehni
45040abc53 More clean-ups for #773 
- Use local variables instead of array lookups for values used repeatetly, and merge with pre-existing variables.
- Add some more comments and reference to long explaining post in issue.
 2015-09-30 13:40:01 -05:00
Jürg Lehni
1231153553 Start cleaning up code from #773 
- Use Line object isntead of static methods
- Do not rely on Math.sign() as it's not supported on all browsers
- Wrap lines at 80 char width.
 2015-09-30 13:07:55 -05:00
Jürg Lehni
07874034e9 Merge pull request #793 from iconexperience/Fix-for-#773 
Fix for #773
 2015-09-30 11:51:37 -05:00
Jan
ec70fa1806 Fix for #773 
Indroduced more reliable method for finding self intersection on curves.
 2015-09-30 12:19:09 +02:00
Jürg Lehni
317b809fee Only calculate non-parametric bezier curve if values are actually used. 2015-09-26 11:46:54 -05:00
Jürg Lehni
ea3cc63e2e Reformat code a bit. 2015-09-26 07:41:03 -04:00
Jan
3fa810a557 Bugfix for #791 and performance improvement 
Prevent infinite loop for degenerate curve. Additionally only calculate sy if necessary and save one call to `Curve.solveCubic`
 2015-09-26 07:36:12 -04:00
Jürg Lehni
fd927cbe22 Properly solve issues with self-intersecting special case. 
(e.g. shapes resembling the infinity sign)
 2015-09-24 12:49:39 -04:00
Jürg Lehni
cc7e60e51a Revert db1ecdddd5 and fix issue properly this time. 
Hopefully?
 2015-09-23 12:44:00 -04:00