mob-sakai / mob-sakai/ParticleEffectForUGUI
Particle Effect Position Error With Animation
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Since Sep 11, 2026.
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- C#
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Description
Describe the bug
When reusing a UI object that contains a UIParticle, the particle effect briefly jumps from an incorrec position when it starts playin.
The same ParticleSystem does not show this issue when UIParticle is removed.
To Reproduce
A minimal reproduction project is attached.
Open the attached project.
Open the sample scene.
Enter Play Mode.
Run the included test.
Observe the particle position jumping when the effect is reused.
No additional setup should be required.
Expected behavior
the particle effect should start from its current position without briefly jumping or stretching from a previous position.
Screenshots
A minimal reproduction project is attached.
Environment (please complete the following information):
Version: 4.14.1
Platform: Editor / Android / iOS
Unity version: Unity 6000.3.21f
Build options: URP, IL2CPP on mobile
Additional context
The issue appears to be specific to UIParticle.
The same ParticleSystem works correctly without UIParticle.
Contributor guide
First steps
- Read the whole issue, then the project's contributing guide.
- Comment on the issue to say you are picking it up — it saves two people doing the same work.
- Fork the repository and make your change on a branch.
- Open a pull request that references the issue number.
Assessment
This issue has not been assessed yet.