move = Move() move.generate_structure() keyboard = Keyboard() render = Render() cont = True game_lose = False while cont: screen.fill(h333) key = keyboard.check() if key == "down": move.down() elif key == "up": move.up() elif key == "left": move.left() elif key == "right": move.right() elif key == "end": cont = False if key in ("down", "up", "left", "right"): if not move.add_nb(): game_lose = True render.set_structure(move.get()) render.render() pygame.display.flip() fg_color = [255, 255, 255] bg_color = [0, 0, 0]