Hello everyone.
I am trying to import some models from the playcanvas store so that I can use lightmap, but it shows UV1 unavailable. I clicked AUTO-UNWRAP but it’s not working.
Here is the project link
https://playcanvas.com/editor/scene/1064094
I believe Auto-Unwrap doesn’t work on .glb Imports, will have to switch to json models in the asset tasks settings in the editor
Then it simply means the model does not have a UV1 channel. I checked the cart model, as an example, it doesn’t have one. You can add it in a 3D modelling application, like Blender, if you need one.
Okay, thanks.
But does lightmap works without uv1?
It should not work without unwrapping. If you are using a GLB format on import, then auto-unwrap will not work in the Editor - it is a known issue and being looked into. If I remember correctly, the engine, however, can still read UV1 channel at runtime and the lightmap will work when you start the app. If you use the previous import method (FBX/JSON), then the unwrapping should work and if it doesn’t, I would recommend creating an issue in the engine repo, so the team can look into it. A sample scene would help them with debugging:
@LeXXik Thank you for the reply.
I have uploaded FBX but unwrap doesn’t work, it keeps on loading.
I will import once again and check if it works. If it doesn’t then I will create an issue in the engine repo.
