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Won't Fix
Votes
0
Found in
2018.4
2019.3.1f1
2020.2
Issue ID
1249923
Regression
No
Particle System does not update the referenced Sprite when changing PPU in the Import Settings
Reproduction steps:
1. Open the project from the attached file "1249923.zip"
2. Open the SampleScene and select "Particle System" in the Hierarchy
3. Inspect the Scene View
4. From Assets open test Sprite
5. In the Inspector change Pixels Per Unit to 25
6. Select the "Particle System" in the Hierarchy and inspect the Scene View
Expected result: Sprite rendered by the Particle System is bigger than before
Actual result: Sprite rendered by the Particle System did not change
Reproducible with: 2018.4.24f1, 2019.4.1f1, 2020.1.0b13, 2020.2.0a15
Note: Reproducible when Sprite is referenced in Texture Sheet Animation and Shape modules
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Resolution Note:
PPU is a value that is not used by the particle system. It is difficult to know how it should be used and would require supporting projects that have different PPU but are happy with the current size and projects that want the PPU to have an influence on the particle size.
This would be easier for a user to fix with a script to set particle start size from sprite PPU, to get the linkage they want.