diff options
Diffstat (limited to 'source/blender/blenkernel/intern/mesh.c')
| -rw-r--r-- | source/blender/blenkernel/intern/mesh.c | 18 |
1 files changed, 18 insertions, 0 deletions
diff --git a/source/blender/blenkernel/intern/mesh.c b/source/blender/blenkernel/intern/mesh.c index 571772f4322..9465044ba0b 100644 --- a/source/blender/blenkernel/intern/mesh.c +++ b/source/blender/blenkernel/intern/mesh.c @@ -1931,6 +1931,21 @@ void BKE_mesh_smooth_flag_set(Object *meshOb, int enableSmooth) } } +/** + * Call when there are no polygons. + */ +static void mesh_calc_normals_vert_fallback(MVert *mverts, int numVerts) +{ + int i; + for (i = 0; i < numVerts; i++) { + MVert *mv = &mverts[i]; + float no[3]; + + normalize_v3_v3(no, mv->co); + normal_float_to_short_v3(mv->no, no); + } +} + void BKE_mesh_calc_normals_mapping(MVert *mverts, int numVerts, MLoop *mloop, MPoly *mpolys, int numLoops, int numPolys, float (*polyNors_r)[3], MFace *mfaces, int numFaces, int *origIndexFace, float (*faceNors_r)[3]) @@ -1952,6 +1967,9 @@ void BKE_mesh_calc_normals_mapping_ex(MVert *mverts, int numVerts, MPoly *mp; if (numPolys == 0) { + if (only_face_normals == FALSE) { + mesh_calc_normals_vert_fallback(mverts, numVerts); + } return; } |