particle system 1

physical simulation of "robert's happy fun zone" play pin full of brightly colored balls. particles interact with wall boundaries and with eachother by laws of conservation of momentum and gravity. ball -> ball collision detection sorted by quadtrees over x and z axis. rendered using opengl wgl extensions, framework based on code from dr. ron metoyer.

mpeg movies: [50 particles] [1000 particles]

exe: link