auto save

snake.py

@@ -15,6 +15,7 @@ food = pygame.image.load('apple.png')
 body = pygame.image.load('body.png')
 
 x,y=240,120  #贪吃蛇的头坐标进行初始化 赋值给x,y
+liebiao=[(180,90),(180,120),(210,120),(x,y)]#创建列表
 
 while True:
     for event in pygame.event.get():
@@ -23,14 +24,15 @@ while True:
             exit()
     #x坐标每次增加30 
     x+=30
+    liebiao.append((x,y))   #追加蛇头的坐标
+    liebiao.pop(0)           #删除列表第一个数据
     # 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, liebiao[-1])
     # 将贪吃蛇的身体画上去
-    screen.blit(body, (210, 120))
-    screen.blit(body, (180, 120))
-    screen.blit(body, (180, 90))
+    for i in range(len(liebiao)-1):
+        screen.blit(body,liebiao[i])
     # 将果实画上去
     screen.blit(food, (360, 300))
     # 刷新画面