#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) - 0.5
fy = fract(y) - 0.5
size = 0.25

qx = max(abs(fx) - size, 0)
qy = max(abs(fy) - size, 0)
w = length2(qx, qy)
k = clamp(0, 1, w/0.06)

r = k
g = k
b = k
	


