ZibraAI engineer builds boundless interactive fluid simulation in VRChat, 100K particles run on any PC
Michael_Moroz_ · x · 2026-09-11
ZibraAI lead research engineer Mykhailo Moroz implemented an interactive fluid simulation in a VRChat world using a hash-grid-based approach, making the simulation effectively boundless — fluid can potentially fill the entire world.
Key details:
- Runs locally, not synced between players, but looks similar on every client
- Performance scales with particle count; 100K particles are doable on pretty much any PC
- Gravity, viscosity and other properties can be tweaked live to change fluid behavior
- He plans to release the world eventually, with plenty of work remaining
- He previously shipped VRCGS, a tool turning 3DGS into VRChat-ready content, and shared the research papers behind the technique
Related event: Dev Builds Million-Particle Unbounded Fluid Simulation in VRChat(7 posts)→
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