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Rigid Body World Field Weights dont have a proper RNA path (e.g. cannot be animated)
Closed, ResolvedPublicBUG

Description

System Information
Operating system: Linux-5.7.10-201.fc32.x86_64-x86_64-with-fedora-32-Thirty_Two 64 Bits
Graphics card: GeForce GTX 970M/PCIe/SSE2 NVIDIA Corporation 4.5.0 NVIDIA 440.100

Blender Version
Broken: version: 2.91.0 Alpha, branch: master (modified), commit date: 2020-08-25 13:02, hash: rBb43f4fda19b9
Worked: never

Short description of error
Rigid Body World Field Weights cannot be animated. They dont have a proper RNA path defined.

Exact steps for others to reproduce the error

  • Open file
  • Under Scene > Rigid Body World > Field Weights, try to set a keyframe on any EffectorWeight (e.g. Wind)

Result: no keyframe is created, following message cames up

Failed to resolve path to property, try manually specifying this using a Keying Set instead

This is also why you cannot Copy To Selected, Copy Data Path, Copy As New Driver, etc

With D8713 applied, you can add keyframes to these field weights (e.g. Gravity or Wind) and these are respected correctly in the simulation.