The branching track a discharge burns through an insulator, from a tree in acrylic to the fern-shaped scar a lightning strike leaves on skin — a dielectric breakdown model whose growth exponent decides whether it comes out spindly or dense; each hit fires a new discharge.
Drawn with: a WebGL2 shader.
Reacts to and looks like: gpu, webgl2 and audio-reactive.
Family: Visualiser.
Runs in your browser. The preview above is the same program the renderer uses.