用python实现弹球小游戏

from tkinter import * import random import time # Creating the window: window = Tk() window.title("Bounce") window.geometry('600x600') window.resizable(False, False) # Creating the canvas containing the game: canvas = Canvas(window, width = 450, height = 450, bg = "black") canvas.pack(padx = 50, pady= 50) score = canvas.create_text(10, 20, fill = "white") window.update() class Ball: def __init__(self, canvas1, paddle1, color): self.canvas = canvas1 self.paddle = paddle1 self.id = canvas1.create_oval(10, 10, 25, 25, fill = color)  # The starting point of the ball self.canvas.move(self.id, 190, 160) starting_direction = [-3, -2, -1, 0, 1, 2, 3] random.shuffle(starting_direction) self.x = starting_direction[0] self.y = -3 self.canvas_height = self.canvas.winfo_height() self.canvas_width = self.canvas.winfo_width() # Detecting the collision between the ball and the paddle: def hit_paddle(self, ballcoords): paddle_pos = self.canvas.coords(self.paddle.id) if ballcoords[0] <= paddle_pos[2] and ballcoords[2] >= paddle_pos[0]: if paddle_pos[3] >= ballcoords[3] >= paddle_pos[1]: return True return False # Detecting the collision between the the ball and the canvas sides: def draw(self): self.canvas.move(self.id, self.x, self.y) ballcoords = self.canvas.coords(self.id) if ballcoords[1] <= 0: self.y = 3 if ballcoords[3] >= self.canvas_height: self.y = 0 self.x = 0 self.canvas.create_text(225, 150, text = "Game Over!", font = ("Arial", 16), fill = "white") if ballcoords[0] <= 0: self.x = 3 if ballcoords[2] >= self.canvas_width: self.x = -3 if self.hit_paddle(ballcoords): self.y = -3 class Paddle: def __init__(self, canvas1, color): self.canvas1 = canvas self.id = canvas.create_rectangle(0, 0, 100, 10, fill = color) self.canvas1.move(self.id, 180, 350) self.x = 0 self.y = 0 self.canvas1_width = canvas1.winfo_width() self.canvas1.bind_all("", self.left) self.canvas1.bind_all("", self.right) def draw(self): self.canvas1.move(self.id, self.x, 0) paddlecoords = self.canvas1.coords(self.id) if paddlecoords[0] <= 0: self.x = 0 if paddlecoords[2] >= self.canvas1_width: self.x = 0 def right(self, event): self.x = 3 def left(self, event): self.x = -3 paddle = Paddle(canvas, color = "white") ball = Ball(canvas, paddle, color = "red") # New code after here def handler(): global run run = False window.protocol("WM_DELETE_WINDOW", handler) run = True while run: # New code before here ball.draw() paddle.draw() window.update_idletasks() window.update() time.sleep(0.01) window.destroy()    # should always destroy window before exit