#https://www.shadertoy.com/view/4ttXz8

pixels = W:1024 H:1024

x = from -2 to 2 W
y = from -2 to 2 H

r = 0.5
s = 1.8

[Loop Start:64
m = x*x + y*y
x = abs(x)/m
y = abs(y)/m
x = if (m<r, x/m, x*s)
y = if (m<r, y/m, y*s)
x = x - 0.25
y = y - 0.5
Loop End]

k = length2(x, y)

r = sqrt(k)
g = k*k
b = k
