Virtual Geometry in Bevy 0.15

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2024-11-14 20:30:06

It's been a little over 5 months since my last post where I talked about the very early prototype of virtual geometry I wrote for Bevy 0.14.

While it's still not production ready, the improved version of virtual geometry that will ship in Bevy 0.15 (which is releasing soon) is a very large step in the right direction!

In this blog post I'll be going over all the virtual geometry PRs merged since my last post, in chronological order. At the end, I'll do a performance comparison of Bevy 0.15 vs 0.14, and finally discuss my roadmap for what I'm planning to work on in Bevy 0.16 and beyond.

Like last time, a lot of the larger architectural changes are copied from Nanite based on the SIGGRAPH presentation, which you should watch if you want to learn more.

PRs #13904, #13913, and #14038 improve the performance of the Mesh to MeshletMesh converter, and makes it more deterministic. These were written by Arseny Kapoulkine (author of meshoptimizer, the library I use for mesh simplification and meshlet building). Thanks for the contributions!

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