Gray–Scott
reaction–diffusion · Turing patterns
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Pattern preset
feed
f
kill
k
brush size
speed (steps / frame)
resolution scale
colour
Clear
Random seed
Pause
Drag on the canvas to inject chemical V and seed new growth. Right-drag (or Shift-drag) erases. Keys:
space
pause ·
c
clear ·
r
seed ·
p
palette ·
h
hide UI.