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Fixed in 2020.1.X

Fixed in 2019.3.X



Found in






Issue ID




Particle System Stop Action is not called when Culling Mode is set to "Pause and Catch-up" and Particle System is off camera

Visual Effects - Legacy


Steps to reproduce:
1. Open users attached project "Shuriken_Bug_Repro"
2. Enter Play mode
3. Wait until the Main Camera is enabled again
4. Notice that Particle System is still in the Hierarchy Window

Expected results: Particle System is Deleted after it stops emitting
Actual results: Particle System is not destroyed after it stops emitting offscreen

Reproducible with: 2018.3.0b2, 2018.4.3f1, 2019.1.9f1, 2019.2.0b7, 2019.3.0a8
Not Reproducible with: 2017.4.29f1, 2018.3.0b1

Note: Particle System Culling Mode appeared in 2018.3.0b2

RichardK proposed fix:
- Maintain a list of offscreen systems that use a stop action (build based on when we add/remove from the active systems list)
- Check them each update, to see if they have stopped whilst offscreen
- Fire event and remove from list, if needed

Comments (1)

  1. Jakub_Machowski

    Jan 17, 2022 23:18

    Still Present on 2019.4.32

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