save project

snake.py

 import pygame  #导入游戏模块
 from pygame import locals  #导入子模块
+import random
 
 pygame.init()  #初始化pygame，为使用硬件做准备
 
@@ -17,6 +18,8 @@ body = pygame.image.load('body.png')
 
 x,y=240,120  #将头部的坐标设为变量
 position=[(180,90),(180,120),(210,120),(x,y)]  #将蛇身各部位坐标列表
+apple_x=360
+apple_y=300
 
 setheading="right"  #头部初始变量
 snack_head=right  #头部初始朝向
@@ -47,11 +50,14 @@ while True:
     else:
         y+=30  #移动
     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)
     screen.blit(background, (0, 0))  #将背景图画上去
     screen.blit(right,position[-1])  #将贪吃蛇画上去
     for i in range(len(position)-1):
         screen.blit(body,position[i])  #将贪吃蛇画上去
-    screen.blit(food, (360, 300))  #将食物画上去
+    screen.blit(food, (apple_x, apple_y))  #将食物画上去
     pygame.display.update()  #刷新画面
     FPSCLOCK.tick(3)  #游戏画面每秒不超过3帧
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