篮球跳动实例

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("足球.png")
ballrect = ball.get_rect()

speed = [5,5]
clock = pygame.time.Clock()
# 执行死循环，确保窗口一直显示
while True:
clock.tick(60)
#检查事件
for event in pygame.event.get():
if event.type == pygame.QUIT:
sys.exit()
ballrect = ballrect.move(speed)
# 碰到左右边缘
if ballrect.left < 0 or ballrect.right > width:
speed[0] = -speed[0]
# 碰到上下边缘
if ballrect.top < 0 or ballrect.bottom > height:
speed[1] = -speed[1]

screen.fill(color)
screen.blit(ball,ballrect)
pygame.display.flip()

pygame.quit()