ziheng-飞机大战

import pygame
pygame.init()
screen = pygame.display.set_mode((480,780))
pygame.display.set_caption("飞机大战")
jiazai_tupian = pygame.image.load("background.png")
fei_ji = pygame.image.load("alien_5.png")
feix,feiy  = 0, 0

while 1 > 0:
    for event in pygame.event.get():
        if event.type == pygame.QUIT:
            pygame.quit()
        elif event.type == pygame.KEYDOWN:
            if event.key == pygame.K_RIGHT:
                feix = feix + 10
            elif event.key == pygame.K_LEFT:
                    feix = feix - 10
            elif event.key == pygame.K_DOWN:
                    feiy = feiy + 10
            elif event.key == pygame.K_UP:
                feiy = feiy - 10
    screen.blit(jiazai_tupian, (0, 0))
    screen.blit(fei_ji, (feix,feiy))

    pygame.display.update()