#https://www.shadertoy.com/view/llSGRw

pixels = W:1024 H:1024

x = from -5 to 5 W
y = from -5 to 5 H

f = 1.2
r = 0.0
[loop start:5
r = r + abs(mercury_crater2d(x*f, y*f))/f
f = f*2.7
loop end]

r = r/2
g = r
b = r
