#531Chromatic Vortex Storm
A vorticity-confined Stable-Fluids solver pushed until it storms. Five comets orbit on Lissajous paths dragging hue-cycling neon wakes; every couple of seconds two opposing jets collide head-on and roll into twin mushroom vortices, and every few bars a supernova detonates at the centre — a radial shock with a twist that spins the whole field. The dye is embossed into a glossy relief, split into RGB along the local velocity for a chromatic smear, and bloomed at two radii so every impact flares. Drag to paint and shove the flow; press to set off your own blast.