extensive work on lighting, shadows, and fog

- use MeshLambertMaterial for interiors, terrain, and shapes
- use smooth vertex normal blending to avoid facted-looking contrasty lighting
  between adjacent surfaces
- update io_dif Blender addon to extract lightmaps
- re-export .dif files to glTF with lightmaps and without LOD
- enable sun, ensure correct direction
- adjust fog (more work to do)
- cleanup and optimization
This commit is contained in:
Brian Beck 2025-12-07 14:01:26 -08:00
parent 035812724d
commit 3ba1ce9afd
927 changed files with 632 additions and 215 deletions

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