#https://www.shadertoy.com/view/ldc3WH

pixels = W:729 H:729

x = from 0 to 1 W
y = from 0 to 1 H

o = 0

[Loop Start: 6
x = 3*fract(x)
y = 3*fract(y)
o = if((abs(x - 1.5)< 0.5) & (abs(y - 1.5)< 0.5), o+1, o)
Loop End]

r = o
g = o
b = o
