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We do need to transform lnors in BKE_mesh_transform(), much handy for scripts.

This commit is contained in:
Bastien Montagne 2015-05-03 11:55:58 +02:00
parent 9715d4c778
commit 472b3c5828
1 changed files with 12 additions and 1 deletions
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13
source/blender/blenkernel/intern/mesh.c
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@ -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)