save project

snake.py

@@ -15,18 +15,24 @@ 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),(210,120),(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    
+    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, (x, y))
+    screen.blit(right,  position[-1])
     # 将贪吃蛇的身体画上去
+    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))