save project

snake.py

@@ -13,17 +13,27 @@ right = pygame.image.load('right.png')
 food = pygame.image.load('apple.png')
 body = pygame.image.load('body.png')
 
+x,y= 240,120 # 初始化贪吃蛇的头的坐标
+position = [(180,90),(180,120),(120,210),(x,y)]
+
 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
             exit()
+    x += 30
+    position.append((x,y))
+    position.pop(0)
     # 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,position[-1])
     # 将贪吃蛇的身体画上去
-    screen.blit(body, (210, 120))
+    
+    for i in range(len(position)-1)
+    screen.blit(body,position[i])
+
+    screen.blit(body, (210,120 ))
     screen.blit(body, (180, 120))
     screen.blit(body, (180, 90))
     # 将果实画上去