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blender-archive/source/blender/geometry
Chris Blackbourn 94e211ced9 Fix T100874: improve uv unwrap of degenerate geometry
Provide reasonable defaults for UV unwrap for triangles with zero area:

* Three vertices are arranged in a line.
* Two vertices are at the same 3D location.
* All three vertices are at the same 3D location.

Change fixes quads / ngons which have triangulations with zero area.

Change fixes both "Angle Based" method and "Conformal" method.

Differential Revision: https://developer.blender.org/D15922
2022-09-12 14:23:22 +12:00
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