Wonderful! Thanks for the very quick work, Bastien. On Tue, Jun 7, 2016, 4:17 PM Bastien Montagne <[email protected]> wrote:
> Hi devs, > > Today Howard requested the ability to set custom normals in BMesh (Edit > mode tools). While we are far from ready to have a real normal editing > feature/mode/whatever in Edit mode currently, I made a quick port of > BKE_mesh_evaluate code to set normals, in the new `custom-normals-bmesh` > branch for now. > > As with non-bmesh code, currently you can only set all normals (either > per-loop or per-vertex) at once, since this is not a cheap operation. > > Also added a python bmesh.utils.custom_normals_set() api func, at least > to allow easy testing of the feature, e.g. with default cube in Edit mode: > > >>> import bmesh > >>> bm = bmesh.from_edit_mesh(C.edit_object.data) > >>> nors = sum(zip(((0, 0, 1),) * 4, (None,) * 4), ()) # Produces an > 8-items tuples of Z-up vectors and None's > >>> # Set those vertex custom normals into bm, 'None' ones keeping > default auto-computed normals. > >>> bmesh.utils.custom_normals_set(bm, nors) > ((0.0, 0.0, 1.0), (0.5773502588272095, -0.577350378036499, > -0.5773503184318542), (0.0, 0.0, 1.0), (-0.5773501396179199, > 0.5773504972457886, -0.5773503184318542), (0.0, 0.0, 1.0), > (0.5773500204086304, -0.5773505568504333, 0.5773503184318542), (0.0, > 0.0, 1.0), (-0.5773501992225647, 0.5773503184318542, 0.5773503184318542)) > > Testing and feedback is most welcome! > > Cheers, > Bastien > _______________________________________________ > Bf-committers mailing list > [email protected] > https://lists.blender.org/mailman/listinfo/bf-committers > _______________________________________________ Bf-committers mailing list [email protected] https://lists.blender.org/mailman/listinfo/bf-committers
