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Nvidia open-source nanite: continuous level of detail (LOD) mesh library
continuous level of detail mesh library. Contribute to nvpro-samples/nv_cluster_lod_builder development by creating an account on GitHub.
At rendering time, a subset of these clusters is selected to adaptively provide the required amount of detail as the camera navigates the scene. An ideal solution would be to pick clusters that satisfy the angular error threshold but constrain the rest to only making a single LOD transition per group. This could be converted to a screen space pixel size, but for ray tracing where there are shadows and reflections behind the camera, a pure distance metric is a good start.
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