inverted normal on a single face when extruding a loop #62487
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Sebastian Parborg
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Reference: blender/blender#62487
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Win 10, GTX 1080
Blender 2.80 2019-03-12 01:08
6b39dc7672Minor issue, but I thought it's worth reporting.
Desktop 2019.03.12 - 13.15.41.02.mp4
Open attached file and extrude selected loop. Single face is inverted for no apparent reason.
extrude_inverted_normal.blend
Perhaps there's an explanation for this, but it seems pretty random.
Added subscriber: @MarcinTwarowski
Added subscriber: @WilliamReynish
I cannot reproduce that here.
Maybe it's one of the Windows vs Linux things? It happens only with that particular mesh.
This issue was referenced by
432750f7cfChanged status from 'Open' to: 'Resolved'
Added subscriber: @ideasman42
Committed fix, note that this only applies on newly duplicated edge loops.
A different kind of fix could be made but it would require extrude to recalculate normals on all newly created faces which I rather avoid because it will get complicated mixing wire/non-wire edges.