Snap feature doesn't take in account wired objects and backface culling #73971
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Reference: blender/blender#73971
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System Information
Operating system: Windows-10-10.0.17763-SP0 64 Bits
Graphics card: GeForce GTX 960M/PCIe/SSE2 NVIDIA Corporation 4.5.0 NVIDIA 442.19
Blender Version
Broken: version: 2.82 (sub 7), branch: master, commit date: 2020-02-12 16:20, hash:
77d23b0bd7
Worked: (optional)
Short description of error
The snap feature doesn't take in account objects with display_type as 'WIRED' and backface culling, letting objects snap to vertices/edges/faces that are not visible in the viewport.
Exact steps for others to reproduce the error
B;snap_wired_backface_culling.blend
Added subscriber: @duodequinquagesimum
Added subscriber: @ckohl_art
Added subscribers: @mano-wii, @iss
You can exclude back geometry from snapping:
https://docs.blender.org/manual/en/latest/scene_layout/object/editing/transform/control/snap.html#additional-snap-options
I think that snapping to face while object is drawn as wire is not a bug as well, but I guess @mano-wii will know more.
Changed status from 'Needs Triage' to: 'Archived'
This is by design. See transform_snap.c$1372 .
This was the old snap behavior and it was kept this way because some artists may prefer so.
And there's not much point in enabling snap to faces but ignoring those objects entirely.
backface culling
is optional and can be activated in the snap settings.