#https://www.shadertoy.com/view/4sVXR3

pixels = W:1024 H:1024

x = from 0 to 5 W
y = from 0 to 5 H

u = x - 1/1.73*y
v = y*2/1.73 
w = 1 - u - v

gx = abs(fract(u) - 0.5)*2
gy = abs(fract(v) - 0.5)*2
gz = abs(fract(w) - 0.5)*2

k = sin(20*length3(1-gx, 1-gy, 1-gz)-2)

r = k
g = k
b = k
