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Fixed in 2018.2
Fixed in 2017.1, 2017.2, 2017.3, 2017.4, 2018.1
Votes
0
Found in
2017.2.0f2
2017.3.0b1
2017.3.0f3
Issue ID
983677
Regression
Yes
Massive performance drop with Size over Lifetime or Size over Speed modules enabled when emitting particles from script
Steps to reproduce:
1. Open attached “ParticlePerformance.zip” Unity project
2. Open Window->Profiler
3. Enter Play mode
Expected results:
Reasonable performance
Actual results:
Massive CPU usage by ParticleSystem.SizeOverVelocityModule and ParticleSystem.SizeOverLifetimeModule
Reproduced in: 2018.1.0b1, 2017.3.0p1 2017.3.0b1, 2017.2.1p1, 2017.2.0f2, 2017.1.3f1, 2017.1.2f1, 2017.1.1p4
Didn’t reproduce in: 2017.3.0a7, 2017.2.0f1, 2017.1.1p3, 5.6.5f1
Regression introduced in: 2017.3.0b1, 2017.2.0f2, 2017.1.1p4
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