"""移动的哪吒.py"""

import pygame
from pygame.locals import *
from sys import exit

bgfile = '莲花池.png' 
sprite_image_filename = '哪吒.png'

pygame.init()   # 初始化pygame引擎

screen = pygame.display.set_mode((640, 480), 0, 32)
pygame.display.set_caption("移动的哪吒pygame入门动画")

background = pygame.image.load(bgfile).convert()
sprite = pygame.image.load(sprite_image_filename)

# 角色的x坐标
x = 0.
running = True
while running:

    for event in pygame.event.get():
        if event.type == QUIT:running = False

    screen.blit(background, (0,0)) 
    screen.blit(sprite, (x, 100)) 
    x += 1

    # x坐标大于640，则回到原处
    if x > 640:
        x -= 640

    pygame.display.update()
    
pygame.quit()