#https://www.shadertoy.com/view/4lc3Wn

pixels = W:1024 H:1024

x = from -1.0 to 1.0 W
y = from -1.0 to 1.0 H

r2 = x*x + y*y
b = log(sqrt(r2))
a = atan2(y, x)

time = 10.2
c = b - fract(time)*1.27

u = c*5 - a*5
v = 5*c + a*5
w = 9.0*sin(u)*sin(v)

r = w
g = w
b = w
