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Fixed in 2022.1.X

Votes

0

Found in

2019.4

2019.4.21f1

2020.3

2021.1

2021.2

Issue ID

1320869

Regression

No

Mesh is shaded as black when setting BoneWeights via Advanced Mesh API

Mesh

-

How to reproduce:
1. Open the attached project's Scene labeled "BoneWeightTestScene"
2. Enter the Play Mode
3. Inspect the generated "Advanced" and "AdvancedMeshDataArray" GameObjects

Expected result: GameObjects are shaded white
Actual result: GameObjects are shaded black

Reproducible with: 2019.4.22f1, 2020.3.1f1, 2021.1.0b12, 2021.2.0a9
Couldn't test with: 2018.4.33f1 (Missing references when downgrading the project)

  1. Response avatar

    Resolution Note (fix version 2022.1):

    Skinned meshes expect a particular stream layout (0: position,normal,tangent, 1: UVs,colors, 2: blend weights/indices). Will clarify docs and make API emit a warning if mismatching layout is attempted. Fixed in Unity 2022.1.0a2 and above.

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