auto save

snake.py

@@ -14,6 +14,8 @@ right = pygame.image.load('right.png')
 food = pygame.image.load('apple.png')
 body = pygame.image.load('body.png')
 x, y =240,120
+body2 = [(180,90),(180,120),(210,120),(x, y)]
+
 while True:
     for event in pygame.event.get():
         if event.type == locals.QUIT:
@@ -21,13 +23,14 @@ while True:
             exit()
     # 将背景图画上去
     x += 30
+    body2.append((x, y))
+    body2.pop(0)
     screen.blit(background, (0, 0))
     # 将贪吃蛇画上去
-    screen.blit(right, (x, y))
+    screen.blit(right, body2[3])
     # 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(body2)-1):
+        screen.blit(body, body2[i])
     # 将果实画上去
     screen.blit(food, (360, 300))
     # 刷新画面