save project

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()
 
@@ -16,7 +16,7 @@ body = pygame.image.load('body.png')        # 身体
 left = pygame.image.load('left.png')        # 头 朝左
 up = pygame.image.load('up.png')            # 头 朝上
 down = pygame.image.load('down.png')        # 头 朝下
-
+fx,fy=360,300
 x, y = 240, 120
 position = [(180, 90), (180, 120), (210, 120), (x, y)]
 
@@ -43,7 +43,6 @@ while True:
                 snake_head = down
 
     # 设置贪吃蛇的头部坐标
-    fx,fy=360,300
     if setheading == "right":
         x += 30
     elif setheading == "left":
@@ -61,6 +60,10 @@ while True:
     # 将贪吃蛇的身体画上去
     for i in range(len(position)-1):
         screen.blit(body, position[i])
+    if x==fx and y==fy:
+        fx=randint(0,660)
+        fy=randint(0,480)
+
 
     # 将果实画上去
     screen.blit(food, (fx, fy))