Lab / Reaction-Diffusion
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Reaction-Diffusion

Gray-Scott reaction-diffusion model producing Turing patterns. Paint chemical seeds, adjust feed and kill rates, and watch spots, stripes, spirals, and coral emerge.

Presets

Parameters

Feed Rate (f)0.028
Kill Rate (k)0.062
Diffusion A1.00
Diffusion B0.50
Steps / Frame16

Display

Brush Size5
Resolution256x256

Actions

f-k Parameter Space

Click anywhere to pick f and k values. Dots show presets.

Step 0
256x256 | 16 steps/frame | f=0.028 k=0.062Click to seed B | Right-click to erase

Click to paint chemical B. Right-click to erase. Use presets or the f-k parameter space to explore different pattern regimes. All simulation runs entirely in your browser.