auto save

snake.py

@@ -14,12 +14,15 @@ food = pygame.image.load('apple.png')
 body = pygame.image.load('body.png')
 
 x,y=240,120
+FPSCLOCK=pygame.time.clock()
 while True:
     for event in pygame.event.get():
         if event.type == locals.QUIT:
             # 接收到退出事件后退出程序
             exit()
-    x +=30
+    
+    x+=30
+    
     # 将背景图画上去
     screen.blit(background, (0, 0))
     # 将贪吃蛇画上去
@@ -32,6 +35,5 @@ while True:
     screen.blit(food, (360, 300))
     # 刷新画面
     pygame.display.update()
-    FPSCLOCK=pygame.time.clock()
-    FPSCLOCK.tick(3)
+FPSCLOCK.tick(3)
     
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