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))
     # 将贪吃蛇画上去
@@ -29,4 +30,7 @@ while True:
     # 将果实画上去
     screen.blit(food, (360, 300))
     # 刷新画面
-    pygame.display.update()
\ No newline at end of file
+    pygame.display.update()
+    pygame.time.Clock.tick()
+    FPSCLOCK = pygame.time.Clock();FPSCLOCK.tick(2)
+    
\ No newline at end of file