press flag or space to reinitialize and play, CLICK with mouse to interact ; s to stop, p to pause/unpause, r to delete/reset all values to 0; play around with decay and diffusion rates, press 1 for a playground style preset which is sort of unstable and can lead to explosive chemical reactions, while 2 is highly stable and decays rapidly; CAUTION: altering size settings can cause changes in function so original settings are recommended, press 0 to return to original "factory" layout