Emergence

Two emergent systems running on one GPGPU pipeline in three.js. Position and velocity live in ping-pong float textures on the GPU; switching mode swaps only the velocity rules. Flocking runs the classic boids rules — separation, alignment and cohesion — over an O(n²) neighbour search in a fragment shader, and flees the cursor. The flow field advects particles through divergence-free curl noise and is drawn toward the cursor instead. Part of Pedro Brás' collection of interactive WebGL experiments.