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RealityKit (iOS & visionOS AR/VR/3D library) makes use of USD. Native apps and games for the Vision Pro will also use USD, alongside their new implementation of

• ladberg 3y ago
  Yes, but using .reality files is better for stuff like games in RealityKit. For example it would contain a GPU-ready texture instead of a jpeg (and a lot of other differences), so it's more in-line with how assets are typically loaded in games.
  • dagmx 3y ago
    Generally it never makes sense to use interchange formats for a runtime use. Take the predominant game development format: FBX. It’s used strictly for interchange not runtime. The use of USD is exactly the same. You’d compile it into a runtime friendly format that benefits your specific runtime.