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author | Campbell Barton <ideasman42@gmail.com> | 2015-08-21 10:46:23 +0300 |
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committer | Campbell Barton <ideasman42@gmail.com> | 2015-08-21 10:48:33 +0300 |
commit | 59e166c568a57315b78c5ab812837c95923c300e (patch) | |
tree | 3bb1f901f1f1209fbee7449aeaa672c3487c88c6 /source/blender/blenkernel/intern/effect.c | |
parent | 71919efd78149a305bea4db18d80f9434abeca33 (diff) |
BVH-raycast: Use watertight intersections
By default watertight intersections are used,
For callbacks where its not needed,
BLI_bvhtree_ray_cast_ex can be called without the BVH_RAYCAST_WATERTIGHT flag.
Fixes T45286
Diffstat (limited to 'source/blender/blenkernel/intern/effect.c')
-rw-r--r-- | source/blender/blenkernel/intern/effect.c | 6 |
1 files changed, 5 insertions, 1 deletions
diff --git a/source/blender/blenkernel/intern/effect.c b/source/blender/blenkernel/intern/effect.c index 6459e2ee7e6..bf53acc1d95 100644 --- a/source/blender/blenkernel/intern/effect.c +++ b/source/blender/blenkernel/intern/effect.c @@ -391,6 +391,7 @@ static void eff_tri_ray_hit(void *UNUSED(userData), int UNUSED(index), const BVH // get visibility of a wind ray static float eff_calc_visibility(ListBase *colliders, EffectorCache *eff, EffectorData *efd, EffectedPoint *point) { + const int raycast_flag = BVH_RAYCAST_DEFAULT & ~(BVH_RAYCAST_WATERTIGHT); ListBase *colls = colliders; ColliderCache *col; float norm[3], len = 0.0; @@ -422,7 +423,10 @@ static float eff_calc_visibility(ListBase *colliders, EffectorCache *eff, Effect hit.dist = len + FLT_EPSILON; /* check if the way is blocked */ - if (BLI_bvhtree_ray_cast(collmd->bvhtree, point->loc, norm, 0.0f, &hit, eff_tri_ray_hit, NULL)>=0) { + if (BLI_bvhtree_ray_cast_ex( + collmd->bvhtree, point->loc, norm, 0.0f, &hit, + eff_tri_ray_hit, NULL, raycast_flag) != -1) + { absorption= col->ob->pd->absorption; /* visibility is only between 0 and 1, calculated from 1-absorption */ |