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

t = from 0 to (40*PI)
a = 10
m = rand_int2(1, 10)
n = rand_int2(1, 10)
p = a/cos(m/n*t)
p = limit(p, -50, 50)

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