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Particles : Obstacles for particles no longer work from 50m from the origin of the world.
Confirmed, NormalPublic

Description

System Information
Operating system: windoows 10
Graphics card: nvidia gtx 1070

Blender Version
Broken: Blender 2.92 last release
Worked: Don't know

Short description of error
Obstacles for particles no longer work from 50m from the origin of the world. The permeability of the obstacle does not work at all beyond 100 m. This is a big problem for landscapes. (see blend and play)

Exact steps for others to reproduce the error

  • Open attached file
  • run simulation


Other file to check:

Event Timeline

Falk David (filedescriptor) changed the task status from Needs Triage to Needs Information from User.Mar 8 2021, 4:20 PM

@anger (jemian) Could you simplify the file so it is less than 100MB in size?

ok

Falk David (filedescriptor) changed the task status from Needs Information from User to Needs Triage.Mar 9 2021, 8:08 PM

Thank you!

I tested it, and the collision works over 50m if the planes are extruded, so it seems to be a issue with simulation resolution when far from the origin.
I would love to have a go at investigating this, if anyone more experienced with this area of the code could give me a pointer as to where to start I'd be very grateful.