🎢 Roller Coaster Motion Simulation — 2D Track Energy Profile

2D side-view companion of the roller coaster sim: a car on a hill-and-valley track integrated with RK4, with energy bars, normal force and g-load from track curvature, rolling friction, air drag and an energy-conservation check.

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