Hi everyone! I am building a 3D scene in Unity and trying to export that in three.js. In the scene there are a lot of lights sources. I read that to save computational resources it is possible to generate a lightmap which stores lighting data like shadows in a texture for static objects. Now I am n…

Hello guys, I have the same problem. I did the lightmap from Unity3D, and the image of that lightmap is: [Lightmap-0_comp_light] I know that a second set of UVs is needed in my models if I want to apply the lightmap, but, how can I export from the Unity project? Thanks!

In 3ds max I’ am exporting to OBJ format scene with first default UV. And export to OBJ format scene with second lightmaping UV. And into three.js load first scene. And after it second scene with adding UV to mesh from first scene. May be unity can export two UV’s [image]

Hello, thank you very much for your answer! Can you explain how are you selecting which UV are the ones that you want to the exportation please? Which are the steps to do It? Thank you! I hope that this can solve my problems, there’s no much info in internet about the exportation of a lightmap fro…

I am stuck in same problem. LightMap is exported from Unity But I can not found second UV. when i apply to default UV it will be taken as texture for all meshes How can I solve this?

If unity cant export two uv in one file, then need 2 files of model. Into 3ds max i export model with default UV to OBJ format. Than in 3ds max make flatten UV for lightmap, bake lightmap and export to OBJ format. In three.js load default model. then load second model which contain UV lightmap an…

About lightmaps and how export/use them from Unity into three.js

Questions

Martin_Tesar October 8, 2019, 9:10am 2

hi, did you resolve this lightmap export problem? I am looking for solution on this problem too…

How do I apply a light map texture?

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About lightmaps and how export/use them from Unity into three.js

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