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🐆 Turing Pattern Reaction-Diffusion (2D)

A real-time 2D Canvas simulation of the Gray-Scott reaction-diffusion model — the classic Turing activator-inhibitor system that spontaneously forms spots, stripes and labyrinths. Tune feed and kill rates, pick a preset, or click to seed the field yourself.

Biology2DModerate60 FPS📱 Mobile-adapted⇄ 3D version

⚙ Under the hood

A real-time 2D reaction-diffusion simulation of the Gray-Scott model, the classic Turing activator-inhibitor system. Tune the feed and kill rates or pick a preset to watch spots, stripes and labyrinth patterns emerge on a live grid. Click or drag on the field to seed the inhibitor chemical by hand.

biologyreaction-diffusionturing-patterngray-scottpdemorphogenesis

2D · HTML5 Canvas 2D · 60 FPS target · runs fully client-side, no install