save project

snake.py

 import pygame
 from pygame import locals
+import random
 
 # 初始化pygame，为使用硬件做准备
 pygame.init()
@@ -22,6 +23,8 @@ position = [(180, 90), (180, 120), (210, 120), (x, y)]
 
 setheading = "right"
 snake_head = right
+a_x =360
+a_y =100
 
 while True:
     for event in pygame.event.get():
@@ -41,7 +44,8 @@ while True:
             if event.key == locals.K_DOWN and setheading != "up":
                 setheading = 'down'
                 snake_head = down
-
+    a_x=random.randint(0,660)
+    a_y=random.randint(0,480)
     # 设置贪吃蛇的头部坐标
     if setheading == "right":
         x += 30
@@ -53,6 +57,9 @@ while True:
         y += 30
     position.append((x, y))
     position.pop(0)
+    if x==a_x and y==a_y:
+        a_x = random.randint(0,660)
+        a_y = random.randint(0,480)
     # 将背景图画上去
     screen.blit(background, (0, 0))
     # 将贪吃蛇的头画上去