Animated cloth / Flag waving
Based on the (now removed) Animation / Cloth Three.js experiment: https://threejs.org/examples/#webgl_animation_cloth
November 2024 updated to three r170
Adapted the cloth to be pinned on any of the four sides.
"Cloth Simulation using a relaxed constraints solver"
Other cloth simulation: https://rawcdn.githack.com/kripken/ammo.js/99d0ec0b1e26d7ccc13e013caba8e8a5c98d953b/examples/webgl_demo_softbody_cloth/index.html