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

pixels = W:1024 H:1024

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

i = 5.156
m00 = cos(x-i)
m01 = sin(sin(x)+i)
m10 = cos(y+i)
m11 = cos(y-i*0.5)

u = x*m00 + y*m01
v = x*m10 + y*m11

dist = length2(u, v)
a = atan2(u,v)

r = mod(dist,1.0)
g = mod(a,0.5)*2.0
b = mod(u*v,1.0)

