diff options
| author | Andrew Wiggin <ender79bl@gmail.com> | 2011-10-10 18:56:09 +0400 |
|---|---|---|
| committer | Andrew Wiggin <ender79bl@gmail.com> | 2011-10-10 18:56:09 +0400 |
| commit | 69732dbe2145aecab77b14508aaa65525237a121 (patch) | |
| tree | 808cf10c8c01205b45ca34d0e57f4235655277a6 /source/blender/blenkernel/intern/bvhutils.c | |
| parent | 5ae7a91eb38546f0e0255a8e86807b42afeefc34 (diff) | |
Miscellaneous cleanup, comment changes, and asserts. Should be no functional changes.
Diffstat (limited to 'source/blender/blenkernel/intern/bvhutils.c')
| -rw-r--r-- | source/blender/blenkernel/intern/bvhutils.c | 8 |
1 files changed, 7 insertions, 1 deletions
diff --git a/source/blender/blenkernel/intern/bvhutils.c b/source/blender/blenkernel/intern/bvhutils.c index e32a398a926..e41fe45e121 100644 --- a/source/blender/blenkernel/intern/bvhutils.c +++ b/source/blender/blenkernel/intern/bvhutils.c @@ -583,9 +583,15 @@ BVHTree* bvhtree_from_mesh_faces(BVHTreeFromMesh *data, DerivedMesh *mesh, float tree = BLI_bvhtree_new(numFaces, epsilon, tree_type, axis); if(tree != NULL) { - /* XXX, for snap only, em & dm are assumed to be aligned, since dm is the em's cage */ BMEditMesh *em= data->em_evil; if(em) { + /*data->em_evil is only set for snapping, and only for the mesh of the object + which is currently open in edit mode. When set, the bvhtree should not contain + faces that will interfere with snapping (e.g. faces that are hidden/selected + or faces that have selected verts).*/ + + /* XXX, for snap only, em & dm are assumed to be aligned, since dm is the em's cage */ + /*Insert BMesh-tesselation triangles into the bvh tree, unless they are hidden and/or selected. Even if the faces themselves are not selected for the snapped transform, having a vertex selected means the face (and thus it's tesselated |