制作一个跳跃的小球游戏

# -*- coding: utf-8 -*-
"""
Created on Wed Dec 13 10:48:22 2023

@author: 86135
"""

import sys   
import pygame    

pygame.init()    
size = width, height = 640, 480    
screen = pygame.display.set_mode(size)  
color = (0, 0, 0)  

ball = pygame.image.load("C:\\Users\\86135\\Desktop\\ball.jpg")  
ballrect = ball.get_rect()   

speed = [5, 5]    
clock = pygame.time.Clock()   
while True:
    clock.tick(60)   
    for event in pygame.event.get():
        if event.type == pygame.QUIT:    
            sys.exit()
    ballrect = ballrect.move(speed)    
    if ballrect.left < 0 or ballrect.right > width:
        speed[0] = -speed[0]
    if ballrect.top < 0 or ballrect.bottom > height:
        speed[1] = -speed[1]
    screen.fill(color)    
    screen.blit(ball, ballrect)     
    screen.blit(ball, ballrect)     
    pygame.display.flip()    
pygame.quit()