This is a simulation of a Gray-Scott reaction-diffusion system, running in a GPU shader.
The parameters for this model are F = 0.0545 and K = 0.062. With these parameters the system forms a mitosis-like pattern, where small cells divide and spread across space.
Reaction diffusion patterns are interesting, but they can be difficult to control in meaningful ways for design purposes.
In this project I added an underlying vector field that controls the orientation of diffusion across the system to produce directed, global patterns.
Click on the screen to change the location of the sinks in the vector field.