#!/usr/bin/env python2.6 from framework import Game, draw_polygon, reset_zoom from seidel import Triangulator class Poly2Tri(Game): screen_size = 800.0, 600.0 def __init__(self): super(Poly2Tri, self).__init__(*self.screen_size) # Load point set file_name = "../data/nazca_monkey.dat" self.points = self.load_points(file_name) # Triangulate t1 = self.time seidel = Triangulator(self.points) dt = (self.time - t1) * 1000.0 self.triangles = seidel.triangles() self.trapezoids = seidel.trapezoids #self.trapezoids = seidel.trapezoidal_map.map print "time (ms) = %f , num triangles = %d" % (dt, len(self.triangles)) self.main_loop() def update(self): pass def render(self): reset_zoom(7, (0, 0), self.screen_size) red = 255, 0, 0 for t in self.triangles: draw_polygon(t, red) green = 0, 255, 0 draw_polygon(self.points, green) ''' yellow = 255, 255, 0 for t in self.trapezoids: #verts = self.trapezoids[key].vertices() verts = t.vertices() draw_polygon(verts, yellow) ''' def load_points(self, file_name): infile = open(file_name, "r") points = [] while infile: line = infile.readline() s = line.split() if len(s) == 0: break points.append((float(s[0]), float(s[1]))) return points bad = (544.80998999999997, 579.86046999999996), (544.80998999999997, 450.57477), (594.09569999999997, 450.57477), (643.38142000000005, 450.57477), (643.38142000000005, 525.26486999999997), (643.38142000000005, 599.95487000000003), (603.67391999999995, 654.55056999999999), (563.96655999999996, 709.14621999999997), (554.38819999999998, 709.14621999999997), (544.80998999999997, 709.14621999999997) if __name__ == '__main__': demo = Poly2Tri()