save project

snake.py

@@ -22,7 +22,7 @@ setheading = "right"
 snake_head = right
 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
+        if event.type == locals.QUIT or (x<0 or x>630 or y<0 or y>450):# 接收到退出事件后退出程序
             exit()
         if event.type == locals.KEYDOWN:
             if event.key == locals.K_RIGHT and setheading != "left":
@@ -61,4 +61,4 @@ while True:
     text = my_font.render(info,True,(0,0,0))
     screen.blit(text,(10,10)) # 刷新画面
     pygame.display.update()
-    FPSCLOCK.tick(3)
\ No newline at end of file
+    FPSCLOCK.tick(5)
\ No newline at end of file