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()
 
@@ -15,10 +15,12 @@ up = pygame.image.load('up.png')
 down=pygame.image.load('down.png')
 food = pygame.image.load('apple.png')
 body = pygame.image.load('body.png')
+
 x,y=240, 120
 position=[(180,90),(180,120),(210,120),(x,y)]
 setheeting='right'
 snake_haeding=right
+apple_x,apple_y=360,300
 while True:
     for event in pygame.event.get():
         if event.type == locals.QUIT:
@@ -47,6 +49,9 @@ while True:
         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))
@@ -61,7 +66,7 @@ while True:
     for i in range(len(position)-1):
         screen.blit(body,position[i])
     # 将果实画上去
-    screen.blit(food, (360, 300))
+    screen.blit(food, (apple_x,apple_y))
     # 刷新画面
     pygame.display.update()
     FPSCLOCK.tick(3)