PenroseKD.py 文件源码

def get_tiles(self): 

          # Create an initial wheel of red triangles around the origin 
          # (from the comments section of the reference): 
          radiusR = DEFAULT_RADIUS_R; 
          triangles = []
          for i in xrange(10):
               B = cmath.rect(1, (2*i - 1) * math.pi / radiusR)
               C = cmath.rect(1, (2*i + 1) * math.pi / radiusR)
               if i % 2 == 0:
                    B, C = C, B # Make sure to mirror every second triangle
               ##
               triangles.append((COLOR_RED, B, 0j, C)) 
          ##

          for i in range(self.num_steps):
               triangles = self.subdivide(triangles)

          point_to_vector = lambda pt: PenroseKD_Tiling.complex_to_vector(pt);

          tile_list = []; 
          for (color, A, B, C) in triangles:
               tile_list.append([point_to_vector(A), point_to_vector(B), \
                                 point_to_vector(C)]); 
          return tile_list; 

     ## def 

## class