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| author | Bastien Montagne <montagne29@wanadoo.fr> | 2016-02-28 18:48:08 +0300 |
|---|---|---|
| committer | Bastien Montagne <montagne29@wanadoo.fr> | 2016-02-28 18:48:08 +0300 |
| commit | 0f2f0e49517612db379f7f2958b1d1967e7e9e19 (patch) | |
| tree | fac20f151fe2e341d2d18d3c2037c5309fd3c3f4 /io_mesh_stl | |
| parent | 1736c5cf882b2f2ffa2896a4e34aba9b7eda5615 (diff) | |
Fix T47490: STL: faces not normalized correctly when exporting multiple meshes.
Using new `mesh.flip_normals()` when the mesh is transformed with a negative matrix (mirror along one axis e.g.).
Diffstat (limited to 'io_mesh_stl')
| -rw-r--r-- | io_mesh_stl/blender_utils.py | 6 |
1 files changed, 5 insertions, 1 deletions
diff --git a/io_mesh_stl/blender_utils.py b/io_mesh_stl/blender_utils.py index a5492d07..864335ab 100644 --- a/io_mesh_stl/blender_utils.py +++ b/io_mesh_stl/blender_utils.py @@ -88,7 +88,11 @@ def faces_from_mesh(ob, global_matrix, use_mesh_modifiers=False, triangulate=Tru except RuntimeError: raise StopIteration - mesh.transform(global_matrix * ob.matrix_world) + mat = global_matrix * ob.matrix_world + mesh.transform(mat) + if mat.is_negative: + mesh.flip_normals() + mesh.calc_tessface() if triangulate: # From a list of faces, return the face triangulated if needed. |