Fluid simulation stopping collide after pause/resume #74794
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Reference: blender/blender#74794
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System Information
Operating system: Win10x64, i7-8700k, 32gb
Graphics card: GTX1660Ti
Blender Version
Broken: blender-2.83-a210b8297f5a-windows64
Worked: 2.83
c26f470cfeea
is last that I can testExact steps for others to reproduce the error
#74794.blend
Start to bake, press ESC to stop, press resume to make collisions disappear.
2020-03-18 12-10-46.mp4
The video shows:
Added subscriber: @cblpop
Added subscriber: @mano-wii
Could you provide a simple blend file?
(This would save developers' time).
Added subscriber: @iss
Changed status from 'Needs Triage' to: 'Confirmed'
Note, that when bake is resumed, flow seems to fall to 0, or completely cut off in my build (
365287048319
)if i drop just .blend file, it would have baked liquid? or i need something like cache folder too ?
ok i baked simple scene and put cache folder there.
~88 Mb BBUG.rar
As you can see, i clicked pause on 50th frame (of 100)
Added subscriber: @sebbas
Added subscriber: @JacquesLucke
@sebbas, the root cause here is this
is_first_frame
check. Not sure how you'd like to fix that as there are multi possibilities. Also, you might have made similar assumptions in other places in the code, would be good if you could check if those suffer from the same issue.Something like this should fix it, but leads to memory leaks for now:
Changed status from 'Confirmed' to: 'Resolved'
This has been fixed in
master
andblender-v2.83-release
branch. Not sure which commit fixed it exactly.