Interactive demos. Every one has live parameters — tune it, then copy the link.
Mouse-reactive particles that connect with lines. Toggle repel / attract.
Particles following a generative noise vector field. Watch it breathe.
Click to spawn. Drag to throw. Grab and fling what is already there.
Emergent flocking from three simple rules, up to 3000 on a spatial hash.
Gooey blobs that merge and split. Move to stir, click to add more.
Conway's automaton, with a stamp library of guns, ships and oscillators.
Write GLSL against a live WebGL2 canvas. Compiles as you type.
Watch a maze carve itself, then watch A* pick its way through.