auto save

snake.py

@@ -7,6 +7,8 @@ pygame.init()
 # 创建一个窗口
 screen = pygame.display.set_mode((660, 480))
 x,y=240,120
+a=[(180,90),(180,120),(210,120),(x,y)]
+
 FPSCLOCK=pygame.time.Clock()
 # 背景
 background = pygame.image.load('bg.png')
@@ -19,17 +21,28 @@ while True:
         if event.type == locals.QUIT:
             # 接收到退出事件后退出程序
             exit()
+        if event.type==locals.KEYDOWN:
+            if event.key==locals.
+
+
+
+
+
+
+
+
     # 将背景图画上去
     screen.blit(background, (0, 0))
     # 将贪吃蛇画上去
-    screen.blit(right, (x, y))
     x+=30
+    a.append((x,y))
+    a.pop(0)
     # 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))
+    screen.blit(right, a[-1])  
+    for i in range(len(a)-1):
+        screen.blit(body,a[i])
     # 将果实画上去
     screen.blit(food, (360, 300))
     # 刷新画面
     pygame.display.update()
-    FPSCLOCK.tick(1)
\ No newline at end of file
+    FPSCLOCK.tick(3)
\ No newline at end of file