🎱 Quantum Billiard — Eigenstates & Classical Chaos (2D)

A 2D Canvas quantum billiard: exact particle-in-a-box eigenstates for a rectangle, approximate modes for circle and Bunimovich-stadium cavities, plus a classical bouncing-ball trajectory overlay comparing regular and chaotic dynamics.

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