Bugfix #4051
[blender.git] / source / blender / blenkernel / intern / DerivedMesh.c
index 1eb94967900730cba9f9d665e3a1b2310aaf5082..1052007846fcf81ed9ed26c71dc9ce480e5ee536 100644 (file)
@@ -956,7 +956,7 @@ static DerivedMesh *getEditMeshDerivedMesh(EditMesh *em, float (*vertexCos)[3])
 
                for(i=0, eve= em->verts.first; eve; i++, eve=eve->next) {
                        float *no = emdm->vertexNos[i];
-
+                       /* following Mesh convention; we use vertex coordinate itself for normal in this case */
                        if (Normalise(no)==0.0) {
                                VECCOPY(no, vertexCos[i]);
                                Normalise(no);