#!/usr/bin/python

import openvoronoi as ovd
import math

if __name__ == "__main__":
    far = 1.0
    vd = ovd.VoronoiDiagram(far,120)


    r = 0.9
    # input points (vertices/sites)
    id_list = []
    #fails with even n, fine with odd n
    #it semms due to collinear line segments
    #n = 99 #fine
    n = 100 #fails
    for i in range(n):
        a = math.pi*i/n*2.0
        x = r*math.cos(a)
        y = r*math.sin(a)
        id_list.append(vd.addVertexSite(ovd.Point(x, y)))
        print "add point", i, a, x, y, id_list[-1]

    for i in range(n):
        print "add line", i, ":", id_list[i-1], id_list[i]
        # on first iteration negative index, but that's ok
        vd.addLineSite(id_list[i-1], id_list[i])
    print "VD check: ", vd.check()