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| author | Bastien Montagne <montagne29@wanadoo.fr> | 2014-01-11 14:31:44 +0400 |
|---|---|---|
| committer | Bastien Montagne <montagne29@wanadoo.fr> | 2014-01-11 14:51:19 +0400 |
| commit | 8952f58375385a6e8a636aa1e86763e88fc68fc0 (patch) | |
| tree | e0f82a77ed1e969b155517dd427505776dc6f2c1 /intern/ghost/test | |
| parent | 274b2590fb0eedaadbd5e588f629df7cb69ba0d8 (diff) | |
Add tangent space computation/access from RNA (i.e. python).
This simply mimics code used for loopnormals, to enable py scripts to generate and access (temporary)
a tangent 3D vector and bitangent sign for each loop. Together with the split normals, this allow
to recreate a complete tangent space for normal mapping (bitangent = bitangent_sign * cross(normal, tangent)).
Expects all faces to be tri or quads.
Reviewed By: Brecht, campbellbarton
Differential Revision: https://developer.blender.org/D185
Diffstat (limited to 'intern/ghost/test')
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