💧 Rainwater Tower — 2D Torricelli Draining and Water Balance

2D cross-section companion of the Rainwater Tower: Torricelli outflow with a discharge coefficient, roof-collection inflow, overflow, jet range, level and flow graphs, and analytic drain-time and equilibrium checks.

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