Focus the animation for terminal keys: O ocean, M monsoon, C cyclone, J Jupiter, S smoke, V river, K shear, T turbulence, Y taichi, L solution, W whirlpool, N nebula, X matrix. Tab cycles modes. Shift Tab moves to controls. 1 to 9 changes complexity. Space pauses, plus and minus adjust speed, R remixes, H hides controls, F toggles fullscreen, P toggles color, square brackets cycle palettes. Q stops; Space resumes. Escape pauses and leaves fullscreen.