Description

Procedural Foliage Volumes can be resimulated by clicking the Resimulate button. But they can't be resimulated from Blueprints, even if there is a Simulate() function that can be executed.

Found in 4.20 CL# 4369336, 4.21 CL# 4753647, 4.22 CL# 6063286, and 4.23 CL# 6395561

Steps to Reproduce
  1. Open attached project
  2. Select the ReproBP
  3. Click the button labeled "SCALE DOWN AND RE-SIMULATE" in the details panel of the ReproBP

Results:
The mesh will scale down but the procedural foliage will not update

Expected:
The procedural foliage would update with the mesh upon using the Simulate() command

Have Comments or More Details?

There's no existing public thread on this issue, so head over toAnswerHub just mention UE-74466 in the post.

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Unresolved
ComponentTools - Foliage
Affects Versions4.204.214.224.23
Target Fix4.23
CreatedMay 10, 2019
UpdatedMay 30, 2019