#https://www.shadertoy.com/view/Xdy3Dw

pixels = W:1024 H:1024

x = from 0 to 256 W
y = from 0 to 256 H


u = x
v = y
o = if(fract(u) > fract(v), 1, 0)

u = u*0.5
v = v*0.5
o = if(fract(u) > fract(v), o + 1, o)

u = u*0.5
v = v*0.5
o = if(fract(u) > fract(v), o + 1, o)

u = u*0.5
v = v*0.5
o = if(fract(u) > fract(v), o + 1, o)

u = u*0.5
v = v*0.5
o = if(fract(u) > fract(v), o + 1, o)

u = u*0.5
v = v*0.5
o = if(fract(u) > fract(v), o + 1, o)

u = u*0.5
v = v*0.5
o = if(fract(u) > fract(v), o + 1, o)

u = u*0.5
v = v*0.5
o = if(fract(u) > fract(v), o + 1, o)

u = u*0.5
v = v*0.5
o = if(fract(u) > fract(v), o + 1, o)

r = o
g = o
b = o
