Source code for arcade.isometric

from arcade import ShapeElementList
from arcade.buffered_draw_commands import create_line


[docs]def isometric_grid_to_screen(tile_x, tile_y, width, height, tile_width, tile_height): screen_x = tile_width * tile_x // 2 + height * tile_width // 2 - tile_y * tile_width // 2 screen_y = (height - tile_y - 1) * tile_height // 2 + width * tile_height // 2 - tile_x * tile_height // 2 return screen_x, screen_y
[docs]def screen_to_isometric_grid(screen_x, screen_y, width, height, tile_width, tile_height): x2 = (1 / tile_width * screen_x / 2 - 1 / tile_height * screen_y / 2 + width / 2) * 2 - (width / 2 + 0.5) y2 = (height - 1) - ((1 / tile_width * screen_x / 2 + 1 / tile_height * screen_y / 2) * 2 - (width / 2 + 0.5)) x2 = round(x2) y2 = round(y2) return x2, y2
[docs]def create_isometric_grid_lines(width, height, tile_width, tile_height, color, line_width): # Grid lines 1 shape_list = ShapeElementList() for tile_row in range(-1, height): tile_x = 0 start_x, start_y = isometric_grid_to_screen(tile_x, tile_row, width, height, tile_width, tile_height) tile_x = width - 1 end_x, end_y = isometric_grid_to_screen(tile_x, tile_row, width, height, tile_width, tile_height) start_x -= tile_width // 2 end_y -= tile_height // 2 line = create_line(start_x, start_y, end_x, end_y, color, line_width=line_width) shape_list.append(line) # Grid lines 2 for tile_column in range(-1, width): tile_y = 0 start_x, start_y = isometric_grid_to_screen(tile_column, tile_y, width, height, tile_width, tile_height) tile_y = height - 1 end_x, end_y = isometric_grid_to_screen(tile_column, tile_y, width, height, tile_width, tile_height) start_x += tile_width // 2 end_y -= tile_height // 2 line = create_line(start_x, start_y, end_x, end_y, color, line_width=line_width) shape_list.append(line) return shape_list