Gold leaf turning in smoke, shaded as the metal it is — a coloured reflection and a hot orange-gold highlight rather than a white dot, with blue-green light coming through the places beaten thin enough to transmit.
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.