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GLTF Loader Update


Josh

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The following changes have been made to the GLTF model loader:

  • Correctly loaded rotations and orientations.
  • Mesh collision caching for faster loading.
  • Supports transforms with negative scale and correct face orientation.
  • Support for adjustable alpha cutoff value.
  • Support for KHR_materials_unlit extension (full bright materials).

This model from SketchFab was useful for testing because it uses so many features of the GLTF format:
https://sketchfab.com/3d-models/ftm-0970f30574d047b1976ba0aa6f2ef855

This scene uses alpha masking, transparency, and the full-bright extension, since it already includes lightmaps. The cartoon outline you see on the edges is actually mesh-based.

Update is available now for beta subscribers. At this point, if you find a GLTF file that does not load correctly, or if there is an extension you would like to see support added for, I would like to hear it.

I'm also proposing standalone GLTF material files here:
https://github.com/KhronosGroup/glTF/issues/1420

Untitled.thumb.jpg.527b6f6c7682b98ad14400b704ad3105.jpg

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