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59 lines
1.6 KiB
Python
59 lines
1.6 KiB
Python
#!/usr/bin/env python2.6
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from framework import Game, draw_polygon, reset_zoom
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from seidel import Triangulator
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class Poly2Tri(Game):
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screen_size = 800.0, 600.0
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def __init__(self):
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super(Poly2Tri, self).__init__(*self.screen_size)
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# Load point set
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file_name = "../data/nazca_monkey.dat"
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self.points = self.load_points(file_name)
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# Triangulate
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t1 = self.time
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seidel = Triangulator(self.points)
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dt = (self.time - t1) * 1000.0
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self.triangles = seidel.triangles()
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self.trapezoids = seidel.trapezoids
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#self.trapezoids = seidel.trapezoidal_map.map
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print "time (ms) = %f , num triangles = %d" % (dt, len(self.triangles))
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self.main_loop()
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def update(self):
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pass
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def render(self):
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reset_zoom(8, (0, 0), self.screen_size)
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red = 255, 0, 0
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for t in self.triangles:
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draw_polygon(t, red)
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green = 0, 255, 0
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#draw_polygon(self.points, green)
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'''
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yellow = 255, 255, 0
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for t in self.trapezoids:
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#verts = self.trapezoids[key].vertices()
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verts = t.vertices()
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draw_polygon(verts, yellow)
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'''
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def load_points(self, file_name):
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infile = open(file_name, "r")
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points = []
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while infile:
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line = infile.readline()
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s = line.split()
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if len(s) == 0:
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break
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points.append((float(s[0]), float(s[1])))
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return points
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if __name__ == '__main__':
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demo = Poly2Tri() |