scratchfoundation/paper.js
1
0
Fork 0
mirror of https://github.com/scratchfoundation/paper.js.git synced 2025-01-06 04:42:15 -05:00
Code Issues Projects Releases Packages Wiki Activity Actions

Further fine-tune the various EPSILON values based on edge-case tests.

Browse source
This commit is contained in:
Jürg Lehni 2015-10-21 01:42:26 +02:00
parent 5d6b761d3a
commit 8c3d9df06c
1 changed files with 4 additions and 4 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

8
src/util/Numerical.js
View file

@ -96,16 +96,16 @@ var Numerical = new function() {
MACHINE_EPSILON: MACHINE_EPSILON, MACHINE_EPSILON: MACHINE_EPSILON,
/** /**
* The epsilon to be used when handling curve-time parameters. This * The epsilon to be used when handling curve-time parameters. This
* cannot be smaller, because errors add up to about 1e-7 in the bezier * cannot be smaller, because errors add up to around 8e-7 in the bezier
* fat-line clipping code as a result of recursive sub-division. * fat-line clipping code as a result of recursive sub-division.
*/ */
CURVETIME_EPSILON: 1e-6, CURVETIME_EPSILON: 8e-7,
/** /**
* The epsilon to be used when performing "geometric" checks, such as * The epsilon to be used when performing "geometric" checks, such as
* point distances and examining cross products to check for * point distances and examining cross products to check for
* collinearity. * collinearity.
*/ */
GEOMETRIC_EPSILON: 5e-7, // NOTE: 1e-7 doesn't work in some edge-cases! GEOMETRIC_EPSILON: 4e-7, // NOTE: 1e-7 doesn't work in some edge-cases!
/** /**
* The epsilon to be used when performing winding contribution checks. * The epsilon to be used when performing winding contribution checks.
*/ */
@ -114,7 +114,7 @@ var Numerical = new function() {
* The epsilon to be used when performing "trigonometric" checks, such * The epsilon to be used when performing "trigonometric" checks, such
* as examining cross products to check for collinearity. * as examining cross products to check for collinearity.
*/ */
TRIGONOMETRIC_EPSILON: 1e-8, TRIGONOMETRIC_EPSILON: 1e-7,
// Kappa, see: http://www.whizkidtech.redprince.net/bezier/circle/kappa/ // Kappa, see: http://www.whizkidtech.redprince.net/bezier/circle/kappa/
KAPPA: 4 * (sqrt(2) - 1) / 3, KAPPA: 4 * (sqrt(2) - 1) / 3,