diff options
| 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/boids.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/boids.c')
| -rw-r--r-- | source/blender/blenkernel/intern/boids.c | 6 |
1 files changed, 3 insertions, 3 deletions
diff --git a/source/blender/blenkernel/intern/boids.c b/source/blender/blenkernel/intern/boids.c index 11879c7973c..fdc5524e84c 100644 --- a/source/blender/blenkernel/intern/boids.c +++ b/source/blender/blenkernel/intern/boids.c @@ -214,7 +214,7 @@ static int rule_avoid_collision(BoidRule *rule, BoidBrainData *bbd, BoidValues * mul_v3_fl(ray_dir, acbr->look_ahead); col.f = 0.0f; hit.index = -1; - hit.dist = col.original_ray_length = len_v3(ray_dir); + hit.dist = col.original_ray_length = normalize_v3(ray_dir); /* find out closest deflector object */ for (coll = bbd->sim->colliders->first; coll; coll=coll->next) { @@ -794,7 +794,7 @@ static Object *boid_find_ground(BoidBrainData *bbd, ParticleData *pa, float grou sub_v3_v3v3(ray_dir, col.co2, col.co1); col.f = 0.0f; 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; for (coll = bbd->sim->colliders->first; coll; coll = coll->next) { @@ -820,7 +820,7 @@ static Object *boid_find_ground(BoidBrainData *bbd, ParticleData *pa, float grou sub_v3_v3v3(ray_dir, col.co2, col.co1); col.f = 0.0f; hit.index = -1; - hit.dist = col.original_ray_length = len_v3(ray_dir); + hit.dist = col.original_ray_length = normalize_v3(ray_dir); for (coll = bbd->sim->colliders->first; coll; coll = coll->next) { col.current = coll->ob; |