🎆 Feyerverk Simulation — 2D Shell Flight and Star Burst

2D side-view companion of the fireworks sim: a display shell with quadratic air drag, fuse timing, a star burst with its own drag and burn time, height and burst-radius graphs and exact apex checks against the analytic drag solution.

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