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()
 
@@ -20,6 +20,8 @@ down= pygame.image.load('down.png')
 
 x, y = 240, 120
 position = [(180,90),(180,120),(210,120),(x,y)]
+apple_x=360
+apple_y=300
 setheating='right'
 snake_head =right
 while True:
@@ -51,6 +53,9 @@ while True:
             
     # x += 30
     position.append((x,y))
+    if x==apple_x and y==apple_y:
+        apple_x=random.randint(0,660)
+        apple_y=random.randint(0,480)
     position.pop(0)
     # 将背景图画上去
     screen.blit(background, (0, 0))