VisionOS 1,000,000+ Particle Visualization using LayerRenderer, GPU

Hi all. I’m working on an app to visualize millions of particles for VisionOS and have gotten stuck trying to convert code (such as in chapters 17 and 18 in the latest book). I’ve been unable to find any example code that uses a combination of LayerRenderer and the GPU compute functions to move and render millions of particles. Anyone try this yet?