self.plan_origin = ((self.backend.width - self.tile_side * 5) / 2,
self.x_border)
+ self.backfaces_origin = (self.squares_centers[0][0] - self.tile_side,
+ self.squares_centers[0][1] + self.x_border * 2 + self.tile_side)
+
self.squares_color_map = [(1, 0, 0), (0, 1, 0), (0, 0, 1)]
def _init_centers(self):
x, y = tile.calc_plan_coordinates(self.tile_side, i, j)
return x0 + x, y0 + y
+ def get_backface_tile_transform(self, tile):
+ src_x, src_y = self.get_tile_center(tile)
+ tile_xoffset, tile_yoffset = tile.calc_offset_in_square(self.tile_side)
+ # When calculating dest_x the minus in the formula switches the columns.
+ dest_x = self.backfaces_origin[0] + self.tile_side - tile_xoffset
+ dest_y = self.backfaces_origin[1] + self.tile_side + tile_yoffset
+
+ return self.backend.calc_rotate_translate_transform(src_x, src_y,
+ dest_x, dest_y, 0)
+
def get_tile_transform(self, tile):
"""Calculate the transformation matrix from a tile in an square to
the correspondent tile in the plan.