- KHR_materials_transmission
- KHR_materials_volume
- KHR_materials_ior
Grid of spheres over a checkered backdrop to test Thinfilm and IOR rendering.
- Display in SampleViewer
- Download GLB
- Model Directory
Screenshot from glTF Sample Viewer.
This asset tests the differences in index of refraction between thin-wall and volumetric transmission, using extensions KHR_materials_ior, KHR_materials_transmission, and KHR_materials_volume. The top row of spheres omits the volume extension to cause thin-wall behavior.
The spheres in the bottom row are 2m in diameter with a volume thicknessFactor of 1m, to approximate an average thickness through each volume.
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- Eric Chadwick for Everything