Developer Notes

This issue has been closed as 'Won't Fix' due to an extended period of time without updates. If this issue is important to you please let us know by posting on the AnswerHub or UDN, and Epic will re-open the ticket for further review.


Particles using the Velocity Over Life Module with extremely high values are behaving erratically without Local Space turned on and with Local Space turned on you can not rotate the particle system in the editor.

Steps to Reproduce

1. Open the attached "BugVelLifeTest.uproject" file, located in attached zip file.
2. Open the Particle System in Cascade
3. In the 2 Required Modules, turn on Local Space.

RESULTS: After opening Project, notice that the 4 emitters in the level are generating particles which move well away from their spawn point AND after Step 2, notice all emitters are rotated the same way.

EXPECTED: Emitters spawn particles from their correct origin point and can be rotated in the editor.

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Won't Fix
ComponentUE - Rendering
Affects Versions4.54.64.13
CreatedOct 23, 2014
ResolvedFeb 7, 2017
UpdatedApr 27, 2018