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| author | Campbell Barton <ideasman42@gmail.com> | 2015-08-21 10:05:48 +0300 |
|---|---|---|
| committer | Campbell Barton <ideasman42@gmail.com> | 2015-08-21 10:09:18 +0300 |
| commit | c727fc59abe2b7e525bdc6594bbd7ec3285936e0 (patch) | |
| tree | dfcadf23e28c2464655f4c06a5f94621721fe0c2 /source/blender/blenkernel/intern/particle_system.c | |
| parent | a98b02ff941edb1d92892f520641433582754f0d (diff) | |
BVH-raycast: ensure input direction is unit-length
This was already the case for most users of ray-cast.
Doing this avoids 2x normalize calls per ray-cast in many places.
Diffstat (limited to 'source/blender/blenkernel/intern/particle_system.c')
| -rw-r--r-- | source/blender/blenkernel/intern/particle_system.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/source/blender/blenkernel/intern/particle_system.c b/source/blender/blenkernel/intern/particle_system.c index e340a0ade94..8b925fff415 100644 --- a/source/blender/blenkernel/intern/particle_system.c +++ b/source/blender/blenkernel/intern/particle_system.c @@ -2594,7 +2594,7 @@ static int collision_detect(ParticleData *pa, ParticleCollision *col, BVHTreeRay sub_v3_v3v3(ray_dir, col->co2, col->co1); hit->index = -1; - hit->dist = col->original_ray_length = len_v3(ray_dir); + hit->dist = col->original_ray_length = normalize_v3(ray_dir); col->pce.inside = 0; /* even if particle is stationary we want to check for moving colliders */ |