Developer Notes

This is the expected behavior. The object is simulated which means it detaches from the actor.

Description

If a blueprint has a child component that is simulating physics, that child component will not follow it's parent or make any movement if the parent is moved via AddActorWorldOffset.

Steps to Reproduce

1. Download the attached project
2. Open the project
3. Hit 'Play' to PIE
Result: The mesh for the object on the right does not move as it is simulating physics, however if you select the object itself in the World Outline, you can notice that the root is moving
Expected: The mesh should move along with the root component

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Head over to the existing Questions & Answers thread and let us know what's up.

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By Design
ComponentUE - Simulation - Physics
Affects Versions4.7.64.8
Target Fix4.9
CreatedJun 18, 2015
ResolvedJun 29, 2015
UpdatedApr 27, 2018
View Jira Issue