
pixels = W:1024 H:1024

x = from -1 to 1 W
y = from -1 to 1 H

f = 

r = fractal_hierarchy_square(x, y, 0.44)*0.1
g = fractal_hierarchy_square(x, y, 0.4)*0.1
b = fractal_hierarchy_square(x, y, 0.36)*0.1
