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Fixed in 2022.2.X

Duplicate in 2021.3.X

Votes

1

Found in

2019.4

2020.3

2021.2

2021.2.7f1

2021.3

2022.1

2022.2

Issue ID

1410915

Regression

No

Particle system ignores the Shape parameter and shoots particles in the straight line when the Prewarm setting is turned on

Visual Effects - Legacy

-

How to reproduce:
1. Open the attached project "ParticleZeroSurfaceBug.zip"
2. Open the "Bug" Scene
3. Enter the Play mode

Expected result: The particles are scattered across the Scene, released from the sides of the Cube
Actual result: The particles are launched in a straight line at first, afterwards they are released from the sides of the Cube

Reproducible with: 2019.4.37f1, 2020.3.33f1, 2021.2.19f1, 2021.3.0f1, 2022.1.0b15, 2022.2.0a9

Notes:
- Only reproducible if the Particle System's Shape is set to Mesh Renderer
- Setting the Particle System's Type to Edge or Triangle throws this warning: "Particle System is trying to spawn on a mesh with zero surface area"

  1. Resolution Note (fix version 2022.2):

    Fixed in: 2022.2.0a17

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