save project

snake.py

@@ -21,10 +21,11 @@ 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
-    screen.blit(right, (240, 120))
+    screen.blit(right, (x, y))
     # 将贪吃蛇的身体画上去
     screen.blit(body, (210, 120))
     screen.blit(body, (180, 120))
@@ -32,4 +33,5 @@ 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()
+    FPSCLOCK.tick(3)
\ No newline at end of file