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Fixed in 2020.2.X
Votes
2
Found in
2017.4
2020.1.0b5
2020.2
Issue ID
1240803
Regression
No
Particles don't get culled when disabled and re-enabled out of Camera's FOV while in Play mode
How to reproduce:
1. Open the user's project
2. Open the "SampleScene" from Assets > Scenes
3. Make sure that the Scene window is closed
4. Enter Play mode
5. Open the Profiler window and search for "ParticleSystem.Update2" under the CPU module
6. Change the Y Rotation of the "Main Camera" GameObject to 90
7. Disable and enable the "ParticleSystem Root" GameObject
Expected result: ParticleSystem.Update2 has 0 calls after 6th and 7th steps because the particles aren't in the FOV of the Camera
Actual result: ParticleSystem.Update2 has 100 calls after the 7th step as if it was in the FOV of the Camera
Reproducible with: 2017.4.40f1, 2018.4.22f1, 2019.3.11f1, 2020.1.0b8, 2020.2.0a9
Notes:
-This still reproduces if 4th and 6th steps are switched
-This doesn't reproduce if the "ParticleSystem Root" is disabled before rotating the Camera and enabled afterward
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Resolution Note (fix version 2020.2):
Fixed in 2020.2.0a21