auto save

snake.py

 import pygame
 from pygame import locals
+from random import * 
 
 # 初始化pygame，为使用硬件做准备
 pygame.init()
@@ -18,7 +19,8 @@ up = pygame.image.load('up.png')            # 头 朝上
 down = pygame.image.load('down.png')        # 头 朝下
 
 x, y = 240, 120
-position = [(180, 90), (180, 120), (210, 120), (x, y)]
+a_x,a_y = 360,300
+#position = [(180, 90), (180, 120), (210, 120), (x, y)]
 
 setheading = "right"
 snake_head = right
@@ -51,18 +53,25 @@ while True:
         y -= 30
     else:
         y += 30
-    position.append((x, y))
-    position.pop(0)
+    
+    if x == a_x and y == a_y:
+        g_x = randint(0,21)
+        g_y = randint(0,15)
+        a_x = g_x * 30
+        a_y = g_y * 30
+    
+    #position.append((x, y))
+    #position.pop(0)
     # 将背景图画上去
-    screen.blit(background, (0, 0))
+    screen.blit(background, (0,0))
     # 将贪吃蛇的头画上去
-    screen.blit(snake_head, position[-1])
+    screen.blit(snake_head,(x,y))
     # 将贪吃蛇的身体画上去
-    for i in range(len(position)-1):
-        screen.blit(body, position[i])
+    #for i in range(len(position)-1):
+    #    screen.blit(body, position[i])
 
     # 将果实画上去
-    screen.blit(food, (360, 300))
+    screen.blit(food, (a_x, a_y))
     # 刷新画面
     pygame.display.update()
     FPSCLOCK.tick(3)
\ No newline at end of file