Reaction–Diffusion (Gray–Scott)
steps
0
paint with the mouse to seed chemical B · each frame runs 10 simulation steps
Pause
Reset
Clear
Pattern
Coral (f .0545, k .062)
Mitosis (f .0367, k .0649)
Spots (f .030, k .062)
Stripes / worms (f .025, k .060)
Moving spots (f .014, k .054)
Holes (f .078, k .061)
Chaos (f .022, k .051)
Solitons (f .062, k .0609)
Custom (sliders)
feed f
0.0545
kill k
0.0620
Colour
Ink
Thermal
Ocean
Mono
∂A/∂t = D
A
∇²A − AB² + f(1−A) and ∂B/∂t = D
B
∇²B + AB² − (k+f)B, with D
A
=1, D
B
=0.5.
Space
pause ·
R
reseed