diff options
| author | Tamito Kajiyama <rd6t-kjym@asahi-net.or.jp> | 2013-10-24 15:41:39 +0400 |
|---|---|---|
| committer | Tamito Kajiyama <rd6t-kjym@asahi-net.or.jp> | 2013-10-24 15:41:39 +0400 |
| commit | 804643793eab79f13da2215a521b56a0dcc264c3 (patch) | |
| tree | 472c30389189c8a269596b051d12c65714723f56 | |
| parent | 268e519b412583da01306c5f9c309fa6327e0e90 (diff) | |
Fix for occasional crashes due to numerical instability in Freestyle Perlin noise modifiers with a large 'octaves' value.
Problem report by Light BWK through personal communications, thanks a lot!
| -rw-r--r-- | source/blender/freestyle/intern/geometry/Noise.cpp | 6 |
1 files changed, 3 insertions, 3 deletions
diff --git a/source/blender/freestyle/intern/geometry/Noise.cpp b/source/blender/freestyle/intern/geometry/Noise.cpp index b21ded9dd95..8ec56e84f95 100644 --- a/source/blender/freestyle/intern/geometry/Noise.cpp +++ b/source/blender/freestyle/intern/geometry/Noise.cpp @@ -62,10 +62,10 @@ namespace Freestyle { #define SETUP(i, b0, b1, r0, r1) \ { \ (t) = (i) + (N); \ - (b0) = ((int)(t)) & BM; \ - (b1) = ((b0) + 1) & BM; \ - (r0) = (t) - (int)(t); \ + (r0) = modff((t), &(u)); \ (r1) = (r0) - 1.0; \ + (b0) = ((int)(u)) & BM; \ + (b1) = ((b0) + 1) & BM; \ } (void)0 static void normalize2(float v[2]) |