用python实现弹球小游戏

目录

• 一、弹球游戏代码
• 二、程序结果
• 总结

一、弹球游戏代码

下文是tkinter的应用实例，实现弹球游戏，通过<--和-->件移动平板接球。

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("<Left>", self.left)
        self.canvas1.bind_all("<Right>", 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

二、程序结果

总结

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