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Different Particle Physics Render with Evee and Cycles?
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Description

System Information
Operating system: Ubuntu 18.04
Graphics card: NVIDIA Geforce GTX 1080 (two)

Blender Version
Broken: 2.80 RC2
Worked: (optional)

From the "lowpoly rocket" project on cgcookie.com:
After creating two renders, one with Evee, and one with Cycles, the Cycles particle physics is dramatically different.

Evee: https://www.jimby.name/vids/R102_EVEE0001-0300.mp4

Cycles: https://www.jimby.name/vids/R102_CYCLES0014-0120.mp4

Attached is a simplified blend file. I removed non-essential objects.

Details

Type
Bug

Event Timeline

Sebastian Parborg (zeddb) triaged this task as Confirmed, Medium priority.

@Sergey Sharybin (sergey) It doesn't simulate correctly with render animation (both cycles/eevee). It only works if you have baked the particle system. I could have sworn we already had an issue with this, but I can't find it :/

Particle dynamics is to be baked prior to render, otherwise it's hard to give predictable results.