weopqrst/moonphys/examples/pyramid does not have a README file
Install
Download zipA deterministic 2D rigid body physics engine in pure MoonBit: SAT collision detection, sequential impulse solver with warm starting, Coulomb friction and restitution, revolute/distance/prismatic/angle-limit/motor joints, sleeping, ray casts and region queries, snapshot JSON with a state digest, plus SVG rendering and a WebAssembly playground.