#http://www.mathcurve.com/courbes2d/lissajous/lissajous2.shtml
vertices = 12000
t = from 0 to (2*PI)
m = rand_int2(1, 10)
n = rand_int2(1, 10)
w = PI/2
a = 10
p = a*sin(m*t)
q = w*sin(n*t+w)
x = p*cos(q)
y = p*sin(q)
