diff options
| author | Bastien Montagne <montagne29@wanadoo.fr> | 2015-05-03 12:55:58 +0300 |
|---|---|---|
| committer | Bastien Montagne <montagne29@wanadoo.fr> | 2015-05-03 12:55:58 +0300 |
| commit | 472b3c582820d32ac39be91a6a884ed09285fe4f (patch) | |
| tree | 902add8afda52b011cd758596167bef3587c74a2 /source/blender | |
| parent | 9715d4c778a7229783e19a339fd823a944c76359 (diff) | |
We do need to transform lnors in BKE_mesh_transform(), much handy for scripts.
Diffstat (limited to 'source/blender')
| -rw-r--r-- | source/blender/blenkernel/intern/mesh.c | 13 |
1 files changed, 12 insertions, 1 deletions
diff --git a/source/blender/blenkernel/intern/mesh.c b/source/blender/blenkernel/intern/mesh.c index 12379bedb36..e66a4d48fc8 100644 --- a/source/blender/blenkernel/intern/mesh.c +++ b/source/blender/blenkernel/intern/mesh.c @@ -1920,6 +1920,7 @@ void BKE_mesh_transform(Mesh *me, float mat[4][4], bool do_keys) { int i; MVert *mvert = me->mvert; + float (*lnors)[3] = CustomData_get_layer(&me->ldata, CD_NORMAL); for (i = 0; i < me->totvert; i++, mvert++) mul_m4_v3(mat, mvert->co); @@ -1934,7 +1935,17 @@ void BKE_mesh_transform(Mesh *me, float mat[4][4], bool do_keys) } } - /* don't update normals, caller can do this explicitly */ + /* don't update normals, caller can do this explicitly. + * We do update loop normals though, those may not be auto-generated (see e.g. STL import script)! */ + if (lnors) { + float m3[3][3]; + + copy_m3_m4(m3, mat); + normalize_m3(m3); + for (i = 0; i < me->totloop; i++, lnors++) { + mul_m3_v3(m3, *lnors); + } + } } void BKE_mesh_translate(Mesh *me, const float offset[3], const bool do_keys) |