diff options
Diffstat (limited to 'source/blender/blenkernel/intern/constraint.c')
-rw-r--r-- | source/blender/blenkernel/intern/constraint.c | 38 |
1 files changed, 21 insertions, 17 deletions
diff --git a/source/blender/blenkernel/intern/constraint.c b/source/blender/blenkernel/intern/constraint.c index 2db4c466443..e3f7ae1b1c7 100644 --- a/source/blender/blenkernel/intern/constraint.c +++ b/source/blender/blenkernel/intern/constraint.c @@ -4054,32 +4054,36 @@ static void followtrack_evaluate(bConstraint *con, bConstraintOb *cob, ListBase copy_v3_v3(cob->matrix[3], disp); } - if (data->depth_ob && data->depth_ob->derivedFinal) { + if (data->depth_ob) { Object *depth_ob = data->depth_ob; - BVHTreeFromMesh treeData = NULL_BVHTreeFromMesh; - BVHTreeRayHit hit; - float ray_start[3], ray_end[3], ray_nor[3], imat[4][4]; - int result; + DerivedMesh *target = object_get_derived_final(depth_ob); + if (target) { + BVHTreeFromMesh treeData = NULL_BVHTreeFromMesh; + BVHTreeRayHit hit; + float ray_start[3], ray_end[3], ray_nor[3], imat[4][4]; + int result; - invert_m4_m4(imat, depth_ob->obmat); + invert_m4_m4(imat, depth_ob->obmat); - mul_v3_m4v3(ray_start, imat, camob->obmat[3]); - mul_v3_m4v3(ray_end, imat, cob->matrix[3]); + mul_v3_m4v3(ray_start, imat, camob->obmat[3]); + mul_v3_m4v3(ray_end, imat, cob->matrix[3]); - sub_v3_v3v3(ray_nor, ray_end, ray_start); + sub_v3_v3v3(ray_nor, ray_end, ray_start); - bvhtree_from_mesh_faces(&treeData, depth_ob->derivedFinal, 0.0f, 4, 6); + bvhtree_from_mesh_faces(&treeData, target, 0.0f, 4, 6); - hit.dist = FLT_MAX; - hit.index = -1; + hit.dist = FLT_MAX; + hit.index = -1; - result = BLI_bvhtree_ray_cast(treeData.tree, ray_start, ray_nor, 0.0f, &hit, treeData.raycast_callback, &treeData); + result = BLI_bvhtree_ray_cast(treeData.tree, ray_start, ray_nor, 0.0f, &hit, treeData.raycast_callback, &treeData); - if (result != -1) { - mul_v3_m4v3(cob->matrix[3], depth_ob->obmat, hit.co); - } + if (result != -1) { + mul_v3_m4v3(cob->matrix[3], depth_ob->obmat, hit.co); + } - free_bvhtree_from_mesh(&treeData); + free_bvhtree_from_mesh(&treeData); + target->release(target); + } } } } |