#https://www.shadertoy.com/view/XsV3RD

pixels = W:1024 H:1024

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

t = 36.45
arx = atan2(x, y)*3.18 + t*2
ary = length2(x, y)*3 + sin(t*0.5)*10.0
p = floor(ary)/5
arx = abs(fract(arx)-0.5)
ary = abs(fract(ary)-0.5)
k = 0.1/(arx*arx + ary*ary)

r = mix(1.0, 0.3, p)*k
g = mix(0.3, 0.2, p)*k
b = mix(0.1, 0.5, p)*k
