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Votes
0
Found in
5.4.2f2
Issue ID
852260
Regression
No
Particle systems spend processing time on collisions for unused layers
This causes heavy CPU usage when there are many gameobjects in the scene
Steps to reproduce:
1. Download and open the attached project
2. Set "Snow Opt lit" Layer to "Particle Collision"
3. Open the Profiler window
4. Press play
5. Observe ParticleSystem.Update causing heavy loads
Reproduced on 5.2.3f1. 5.3.6p8, 5.4.2f2, 5.4.3f1, 5.5.0f1, 5.6.0a4 (2adb18c315e3)
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