save project

snake.py

@@ -14,6 +14,7 @@ right = pygame.image.load('right.png')
 food = pygame.image.load('apple.png')
 body = pygame.image.load('body.png')
 x,y=240,120
+position=[(180,90),(180,120),(210,120),(x,y)]
 while True:
     for event in pygame.event.get():
         if event.type == locals.QUIT:
@@ -21,9 +22,12 @@ while True:
             exit()
     # 将背景图画上去
     x=x+30
+    position.append((x,y))
+    position.pop(0)
     screen.blit(background, (0, 0))
-    # 将贪吃蛇画上去
-    screen.blit(right, (x, y))
+    screen.blit(right,position[-1])
+    for i in range(len(position[i]))
+    
     # 将贪吃蛇的身体画上去
     screen.blit(body, (210, 120))