弹跳小球

弹跳小球

import sys

import pygame

pygame.init() #初始化pygame

size = width,height = 640,480 #设置窗口大小

screen = pygame.display.set_mode(size)#显示窗口

color = (0,0,0)

ball = pygame.image.load('ball.png')

image = pygame.transform.scale(ball,(100,100))

ballrect = ball.get_rect()

speed=[500,500]#x,y轴

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)

#碰到左右边缘

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)#颜色

screen.blit(image,ballrect)#将图片滑到窗口

pygame.display.flip()#更新全部显示

pygame.quit()