save project

snake.py

@@ -13,6 +13,7 @@ right = pygame.image.load('right.png')
 food = pygame.image.load('apple.png')
 body = pygame.image.load('body.png')
 x,y = 240,120
+pos =  [(180,90,),(180,120),(210,120),(x,y)]
 while True:
     for event in pygame.event.get():
         if event.type == locals.QUIT:
@@ -20,10 +21,16 @@ while True:
             exit()
     # 将背景图画上去
     x += 30
+    pos.append((x,y))
+    pos.pop(0)
     screen.blit(background, (0, 0))
     # 将贪吃蛇画上去
+    
     screen.blit(right, (x, y))
     # 将贪吃蛇的身体画上去
+    for i in range(len(pos)-1):
+        screen.blit(body.pos[i])
+         
     screen.blit(body, (210, 120))
     screen.blit(body, (180, 120))
     screen.blit(body, (180, 90))