save project

snake.py

 import pygame
+import random
 from pygame import locals
 
 # 初始化pygame，为使用硬件做准备
@@ -22,6 +23,7 @@ position = [(180, 90), (180, 120), (210, 120), (x, y)]
 apple_x = 360
 apple_y = 300
 
+
 setheading = "right"
 snake_head = right
 
@@ -54,6 +56,9 @@ while True:
     else:
         y += 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))