Coherent light off a rough surface interferes with itself into a granular field of bright and dark — noise that is not noise, because it is deterministic and it carries the surface in it; the aperture and the viewpoint step on the beat so the whole field reshuffles on the hit.
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.