The option "Front Faces Only" doesn't work in Clay and ClayStrips brushes. #44553
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Reference: blender/blender#44553
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System Information
Windows 8.1
2047MB NVIDIA GeForce GT 740M (Acer Incorporated [ALI])
Blender Version
Broken: 2.74-f8540d7-win64
Worked: 2.73
Short description of error
Option "Front Faces Only" doesn't work in Clay and ClayStrips brushes.
Exact steps for others to reproduce the error
Turn-on option "Front Faces Only" in Clay or ClayStrips and sculpt on thin mesh, on the other side of the mesh appears artifacts.
Here's some video that show the problem:
https://www.youtube.com/watch?v=1jPUURe1blc
Changed status to: 'Open'
Added subscriber: @atekron
Note, the video is set to private. Please upload a blend file.
Added subscriber: @Blendify
the video is no longer private is a .blend still needed?
Added subscriber: @sindra1961
This may be caused by Dyntopo.
I attach a file.
sculpt.blend
You open the file, and change Dyntopo effectively.
You may recognize that face which you cannot see if you operate it with the brush that you were pointed out around ten times is reconstituted.
If you enter the Edit mode, you know it clearly.
The version that I tried it.
version 2.74 (sub 5), branch b'master', commit date b'2015-05-05' b'20:34', hash b'c246e0c', b'Release'
Probably I think that it occurs other than the reported brush.
This bug occurs only with clay and clay strip brushes, other brushes not affected.
Blob brush
opposite side
The face of the non-visible side is reconstituted.
There is the place that is displayed so that edge sometimes separates when I drag a brush.
An invisible part is displayed obviously.
There does not separate when I display it with edit mode.
face is reconstituted when I confirm the other side there.
Added subscribers: @ideasman42, @mont29
Antony, maybe you can make sense out of this?
Looking into a fix.
This issue was referenced by
5dfe88adbaChanged status from 'Open' to: 'Resolved'
I think that it still occurs.
{F177282}{F177284}{F177286}Cray.blend
version 2.74 (sub 5), branch b'master', commit date b'2015-05-18' b'20:10', hash b'65328fa', b'Release'
This is caused by passing NULL to brush_tex sampling, that's where front face is calculated. I seem to remember it was removed to get rid of artifacts but I don't think it's the correct thing to do (and I doubt it was the cause of artifacts without front-face either)
This issue was referenced by
dc3533030a@Psy-Fi:
Thank you.
I think that a problem was improved.
version 2.74 (sub 5), branch b'master', commit date b'2015-05-19' b'21:13', hash b'a1e8547', b'Release'