auto save

snake.py

 import pygame
 from pygame import locals
-
 # 初始化pygame，为使用硬件做准备
 pygame.init()
-
 # 创建一个窗口
 screen = pygame.display.set_mode((660, 480))
 FPSLOCK = pygame.time.Clock()
@@ -12,8 +10,9 @@ background = pygame.image.load('bg.png')
 right = pygame.image.load('right.png')
 food = pygame.image.load('apple.png')
 body = pygame.image.load('body.png')
-
 x,y = 240,120
+yanjiachen = [(180,90),(180,120),(210,120),(x,y)]
+
 while True:
     for event in pygame.event.get():
         if event.type == locals.QUIT:
@@ -21,14 +20,13 @@ while True:
             exit()
     # 将背景图画上去
     x += 30
+    yanjiachen.append(x,y)
+    yanjiachen.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
-    screen.blit(body, (210, 120))
-    screen.blit(body, (180, 120))
-    screen.blit(body, (180, 90))
-    # 将果实画上去
+    for i in range(len(yanjiachen)-1):
+        screen.blit(body, (yanjiachen[1,2,3]))
     screen.blit(food, (360, 300))
     # 刷新画面
     pygame.display.update()