#https://www.shadertoy.com/view/4dlyRj

pixels = W:1024 H:1024

x = from -16 to 16 W
y = from -16 to 16 H

fx = fract(x)
fy = fract(y)
size = 0.25
w = length2(fx - 0.5, fy - 0.5) - size
k = clamp(0, 1, w/0.06)

r = k
g = k
b = k
	


