Unity Plugin's Automatic Interior is broken

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Carl Lee

• May 05, 2022 06:11
• Edited

Automatic Interior doesn't work in Unity

Here's a simple experiment I conducted:

A capsule surrounds a sphere completely. I used Material Merge to combine those two objects into one mesh. Then I used occusion culling to try to remove the totally non-visible sphere. It didn't work.

I tried this on our artists' models too, it didn't work.

 

Camera based culling works though.

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• Official comment

  

  Support

  • May 17, 2022 11:03

  Hello,

   

  We were able to track down the cause of this issue. Internally we are using the diffuse texture as an alpha mask. The material merge operation doesn't dilute the alpha channel, and it is possible that around the UV seams the mesh might appear transparent to InstaLOD. The solution, for the time being, is setting the AlphaMask Threshold to 0.

   

  Thanks,

  Erhan

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  Andreas Strunski

  • May 06, 2022 15:00

  Hello Carl,

  Thank you for reporting the issue. We will try to reproduce it and will get back to you soon.

  Thanks,

  Andreas

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