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

pixels = W:1024 H:1024

x = from 0 to 1 W
y = from 1 to 0 H

t = 4.19

k = 2*PI
r = exp(-k*y)/(1-exp(-k))
a = k*x

tu = 0.5 + 0.5*r*cos(a) + t
tv = 0.5 + 0.5*r*sin(a) + t

x = pow(abs(sin(k*tu*10)),7/r)
y = pow(abs(sin(k*tv*10)),7/r)
g = x+y

x = pow(abs(sin(k*tu*50)),7/r)
y = pow(abs(sin(k*tv*50)),7/r)
r = x+y

b = 0.0

