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):
for tile in square.tiles:
# offset by 1 or -1 times the tile radius
- tile_cx = cx + self.tile_radius * ((tile.index % 2) * 2 - 1)
- tile_cy = cy + self.tile_radius * ((tile.index > 1) * 2 - 1)
- self.tiles_centers[square.index][tile.index] = (tile_cx, tile_cy)
+ tile_xoffset, tile_yoffset = tile.calc_offset_in_square(self.tile_side)
+ self.tiles_centers[square.index][tile.index] = (cx + tile_xoffset, cy + tile_yoffset)
def get_square_center(self, square):
return self.squares_centers[square.index]
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.
side = self.tile_side
color = self.squares_color_map[tile.square.index]
- self.backend.draw_rect_from_center(cx, cy, side, side, theta, color)
+ self.backend.draw_rect_from_center(cx, cy, side, side, theta,
+ stroke_color=color,
+ fill_color=None)
corners_labels = "ABC"
corner_text = corners_labels[tile.square.index] + str(tile.index + 1)