Python Game Programming By Example

Adding the Breakout items

Now that the organization of our items is separated into these top-level classes, we can extend the __init__ method of our Game class:

class Game(tk.Frame): def __init__(self, master): super(Game, self).__init__(master) self.lives = 3 self.width = 610 self.height = 400 self.canvas = tk.Canvas(self, bg='#aaaaff', width=self.width, height=self.height) self.canvas.pack() self.pack() self.items = {} self.ball = None self.paddle = Paddle(self.canvas, self.width/2, 326) self.items[self.paddle.item] = self.paddle for x in range(5, self.width - 5, 75): self.add_brick(x + 37.5, 50, 2) self.add_brick(x + 37.5, 70, 1) self.add_brick(x + 37.5, 90, 1) self.hud = None self.setup_game() self.canvas.focus_set() self.canvas.bind('<Left>', ...