Von Neumann's law made the growth rule: a grain's area changes at a rate that depends on its number of sides and on nothing else, so five-sided grains die and seven-sided ones grow, at the same rate however big they are — a coarsening froth with its triple junctions at 120 degrees.
Drawn with: a WebGL2 shader.
Reacts to and looks like: gpu, webgl2 and audio-reactive.
Family: Visualiser.
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