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By Design
Votes
2
Found in
5.3.5f1
Issue ID
815212
Regression
No
MeshRenderer.additionalVertexStreams discards data if set in Awake
Steps to reproduce:
1) Download attached project 'VertexDataTest.zip' and open in Unity.
2) Open scene 'AOTest' and press Play.
Note: Two spheres and planes in the front remain white(see attached image 'white.png'.)
3) Press Stop.
4) Select any of the spheres and planes with BakedMeshData components attached and uncheck 'Run In Awake' in Inpsector tab.
5) Press play again, and see that the data is properly assigned(see attached image 'assigned.png'.)
Reproduced with : 5.3.6f1, 5.4.0f1, 5.5.0a3.
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Resolution Note:
by-design as leaving play mode resets all the data, can't get data changes to scene assets from playmode back to game
workaround: do it in Update()