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

pixels = W:1920 H:1080

x = from -7.2 to 7.2 W
y = from -4 to 4 H

i0 = 1.0
i1 = 1.0
i2 = 1.0
i4 = 0.0

[loop start:5
rx = cos(y*i0-i4)
ry = sin(x*i0-i4)/i2
x = x + rx - ry*0.3
y = y + ry + rx*0.3  
i0 = i0*1.93
i1 = i1*1.15
i2 = i2*1.7
i4 = i4+0.05
loop end]

s = 10
r = fract(x/s)
b = fract(y/s)
g = fract((x+y)/s/2)
