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Fixed in 2020.2.X
Votes
0
Found in
2017.4
2020.1
2020.1.0a13
Issue ID
1207573
Regression
No
[Shuriken] Particle Sort Mode by Distance does not take Depth into account when Particles are Aligned by View
Reproduction steps:
1. Open project in "case_1207573-Bug_Test.zip"
2. Open "Scene.unity"
3. Notice that Particle System uses Sort Mode "By Distance" and Render Alignment "View"
4. Notice that Particle System Velocity Over Lifetime Module has 0 Velocity on Z-Axis
5. Notice that Camera uses Projection "Perspective"
6. Enter Play Mode
Expected result: since Particles are aligned by View, Rendering Order for already existing Particles does not change
Actual result: Rendering Order for already existing Particles changes if one Particle's Distance to Camera becomes larger than the other's due to movement
Reproducible with: 2017.4.36f1, 2018.4.15f1, 2019.2.18f1, 2019.3.0f5, 2020.1.0a19
Notes:
1. The easiest way to notice Render Order Changing is to pause the game and move the Camera Manually
2. Increasing Camera FOV might help notice the issue faster
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Resolution Note (fix version 2020.2):
Depth Sorting Mode has been added into particle system in 2020.2.0a9 and above. It sorts particles by depth relative to the axis the camera is facing.