save project

snake.py

@@ -23,11 +23,15 @@ while True:
             # 接收到退出事件后退出程序
             exit()
     x += 30
+    wei_zhi.append((x,y))
+    wei_zhi.pop(0)
     # 将背景图画上去
     screen.blit(background, (0, 0))
     # 将贪吃蛇画上去
-    screen.blit(right, (x, y))
+    screen.blit(right, wei_zhi[-1])
     # 将贪吃蛇的身体画上去
+    for i in range(len(wei_zhi)-1):
+        screen.blit(body,wei_zhi[i])
     # screen.blit(body, (210, 120))
     # screen.blit(body, (180, 120))
     # screen.blit(body, (180, 90))