#http://www.mathcurve.com/courbes2d/conchoidderosace/conchoidderosace.shtml
vertices = 12000

t = from 0 to (40*PI)
a = 10
#e = rand2(1, 10);
e = 1
n = rand2(0.1, 10);

p = a*(1 + e*cos(n*t))

x = p*cos(t)
y = p*sin(t)
