🪐 Gravity Sandbox - 2D N-Body Map, Energy and Angular-Momentum Ledger

2D companion of the 3D gravity sandbox: a top-down N-body map with slingshot launching, merging collisions, solar-system, binary, figure-eight and debris-ring presets, and live energy, angular momentum and virial graphs.

2D · HTML5 Canvas 2D · 60 FPS target · runs fully client-side, no install