auto save

snake.py

 import pygame
-
-# 初始化pygame，为使用pygame做准备
+from pygame import locals
+#初始化pygame
 pygame.init()
+x,y=240,120
+#载入图片
+blackground=pygame.image.load('bg.png')
+food=pygame.image.load('apple.png')
+down=pygame.image.load('down.png')
+up=pygame.image.load('up.png')
+body=pygame.image.load('body.png')
+#创建窗口
+screen=pygame.display.set_mode((690,510))
 
-# 创建一个窗口
-??
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+while True:
+    for event in pygame.event.get():
+        if event.type==locals.QUIT:
+            #接收退出信息
+            exit()
+    screen=pygame.display.set_mode((690,510))
+    #添加背景
+    screen.blit(blackground,(0,0))
+    #画果实
+    screen.blit(food,(360,360))
+    #画头
+    screen.blit(down,(270,120))
+    #画身体
+    screen.blit(body,(240,120))
+    screen.blit(down,(x,y))
+    x+=30
+    y+=30
+    x-=30
+    y-=30
+    #刷新画面
+    pygame.display.update()
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