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Rigid bodies flashing (bouncing with start point) in the second (cached) playing (rigid bodies + motor constraint,+ parenting + move collection)
Open, Needs Triage by DeveloperPublic

Description

System Information
Operating system: Windows-10-10.0.16299 64 Bits
Graphics card: GeForce GT 730M/PCIe/SSE2 NVIDIA Corporation 4.5.0 NVIDIA 389.08

Blender Version
Broken: version: 2.80 (sub 75), branch: master, commit date: 2019-07-29 14:47, hash: rBf6cb5f54494e
Worked: (optional)

Short description of error
The cached rigid bodies appear in the starting point (first frame) randomly. This is cause like a flashing effect.
You can see the effect in attached video from 1:40

Exact steps for others to reproduce the error

  1. You can build a scene with rigid bodies and attach rigid body constraints with motor.
  2. Use parenting (CTRL+P or Child of contstraint)
  3. Move the bodies to a collection

Details

Type
Bug

Event Timeline

Gabor Horvath (hgabor47) renamed this task from Rigid bodies flashing (bouncing) in the second (cached) playing (rigid bodies + motor constraint,+ parenting + move collection) to Rigid bodies flashing (bouncing with start point) in the second (cached) playing (rigid bodies + motor constraint,+ parenting + move collection).