save project

snake.py

@@ -18,6 +18,7 @@ while True:
         if event.type == locals.QUIT:
             # 接收到退出事件后退出程序
             exit()
+         x+=30
 
     # 将背景图画上去
     screen.blit(background, (0, 0))
@@ -31,4 +32,4 @@ while True:
     screen.blit(food, (360, 300))
     # 刷新画面
     pygame.display.update()
-    x+=30
\ No newline at end of file
+    FPSCLOCK.tick(3)
\ No newline at end of file