The collision with meshes appear to be broken in relation to parent and a grandchild or great grandchild collision boxes.

Steps to Reproduce
  1. Create an Actor with four static meshes. (a) body, (b) thigh , (c) shin, (d) foot
  2. Attach thigh to socket on body, Attach shin to socket on thigh, Attach foot to socket on shin. The sockets well removed so there is not chance of self collisions
  3. Use AddLocalRotation to rotate the thigh relative to the body. Watch using pxvis.collisions . The static meshes move but the collision meshes of the shin and foot do not move. Their collision meshes will only change position when the shin or the foot are Rotated as the target of the AddLocalRotation.

Results: The collision meshes do not move with the visible static meshes. The problem runs both ways - both up and down the parent-child-grandchild-greatgrandchild and up again.

Expected: The collision meshes should move along with the static meshes.

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Won't Fix
ComponentUE - Simulation - Physics
Affects Versions4.214.224.23
CreatedMay 15, 2019
ResolvedAug 27, 2021
UpdatedAug 27, 2021