Animation Script
Variables: t (time in sec), dt (delta), state
Navigation: cx, cy, zoom, maxIter
Color: colorSpeed, colorOffset
Palette: palA, palB, palC, palD (each [r,g,b])
Julia: julia (bool), juliaCx, juliaCy
Transform: rotation, kaleidoscope (N), power, fold (0-3)
Effects: interiorColor ([r,g,b]), vignette (0-1)