Commit: 1620fa92478f67139b89f8c1e926a6223eaebe1f
Author: Sergey Sharybin
Date: Mon Sep 29 17:40:10 2014 +0600
Branches: blender-v2.72-release
https://developer.blender.org/rB1620fa92478f67139b89f8c1e926a6223eaebe1f
Fix T41993: Constant jittered bug
Rotated coordinate of the ray start was used when calculating
the ray direction, ending up with wrong direction.
===================================================================
M source/blender/render/intern/source/rayshade.c
===================================================================
diff --git a/source/blender/render/intern/source/rayshade.c
b/source/blender/render/intern/source/rayshade.c
index 7e56d93..2dc5934 100644
--- a/source/blender/render/intern/source/rayshade.c
+++ b/source/blender/render/intern/source/rayshade.c
@@ -2371,9 +2371,9 @@ static void ray_shadow_jitter(ShadeInput *shi, LampRen
*lar, const float lampco[
mul_m3_v3(lar->mat, vec);
/* set start and vec */
- isec->dir[0] = vec[0]+lampco[0]-isec->start[0];
- isec->dir[1] = vec[1]+lampco[1]-isec->start[1];
- isec->dir[2] = vec[2]+lampco[2]-isec->start[2];
+ isec->dir[0] = vec[0]+lampco[0]-shi->co[0];
+ isec->dir[1] = vec[1]+lampco[1]-shi->co[1];
+ isec->dir[2] = vec[2]+lampco[2]-shi->co[2];
RE_instance_rotate_ray_dir(shi->obi, isec);
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