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Fixed in 2020.2.X



Found in




Issue ID




[Shuriken] Particle Sort Mode by Distance does not take Depth into account when Particles are Aligned by View

Visual Effects - Legacy


Reproduction steps:
1. Open project in ""
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

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

  1. 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.

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