auto save

snake.py

 import pygame
 import pygame
 import random
 import random
 from pygame import locals
 from pygame import locals
-a_x = random.randint(0,660)
-a_y = random.randint(0,480)
+a_x = 360
+a_y = 300
 # 初始化pygame，为使用硬件做准备
 # 初始化pygame，为使用硬件做准备
 pygame.init()
 pygame.init()
 
 
@@ -54,6 +54,12 @@ while True:
     else:
     else:
         y += 30
         y += 30
     position.append((x, y))
     position.append((x, y))
+    if x == a_x and y == a_y:
+        n1 = random.randint(1,22)
+        n2 = random.randint(1,16)
+        a_x = n1 * 30 - 30
+        a_y = n2 * 30 - 30
+    else:
         position.pop(0)
         position.pop(0)
     # 将背景图画上去
     # 将背景图画上去
     screen.blit(background, (0, 0))
     screen.blit(background, (0, 0))