🦧 Orangutan Liana Swing: Pendulum, Swaying Tree and the Gap Jump

An orangutan swings on a liana from a flexible tree top toward a branch across a gap. A pendulum coupled to a bending tree (two degrees of freedom), body pumping, release timing and free flight, with the closed-form energy and projectile formulas checked against the numerical swing.

3D · Three.js / WebGL renderer · 60 FPS target · runs fully client-side, no install