Ammo.js

2 Articles

Reze Engine: A Hand-Rolled WebGPU Renderer for MMD Characters

A hand-rolled WebGPU renderer for MMD anime characters, written in pure TypeScript with exactly one runtime dependency. Toon outlines, rim light, IK, and Bullet physics built from scratch, plus a tutorial that walks from Hello Triangle to a fully rigged, dancing character.

May 5, 2026

Spacetime in Your Browser: A General Relativity Sandbox Built with BabylonJS

Drop planets onto a deformable spacetime grid and watch gravity warp the mesh in real time. Built with BabylonJS and Ammo.js physics, Hitesh Sahu's simulation turns the rubber-sheet analogy into something you can actually play with. Collision sounds included.

Mar 8, 2026