save project

snake.py

 import pygame
+import random
 from pygame import locals
 
 # 初始化pygame，为使用硬件做准备
@@ -15,17 +16,25 @@ body = pygame.image.load('body.png')
 left= pygame.image.load('left.png')
 down= pygame.image.load('down.png')
 up= pygame.image.load('up.png')
+
 x=240
 y=120
+
 f=pygame.time.Clock()
 p=[(180,90),(180,120),(210,120),(x,y)]
+
+apple_x=360
+apple_y=300
+
 setheading='right'
 snake=right  
+
 while True:
     for event in pygame.event.get():
         if event.type == locals.QUIT:
             # 接收到退出事件后退出程序
             exit()
+    
         elif event.type==locals.KEYDOWN:
             if event.key==locals.K_DOWN and setheading != 'up':
                 setheading='down'
@@ -57,12 +66,15 @@ while True:
     screen.blit(right,p[-1])
     for i in range(len(p)-1):
         screen.blit(body,p[i])
+
     # 将贪吃蛇的身体画上去
     #screen.blit(body, (210, 120))
     #screen.blit(body, (180, 120))
     #screen.blit(body, (180, 90))
     # 将果实画上去
-    screen.blit(food, (360, 300))
-    # 刷新画面
+    screen.blit(food, (apple_x, apple_y))
+    if x==apple_x and y==apple_y:
+        apple_x=random.randint(0,660)
+        apple_y=random.randint(0,480)    # 刷新画面
     pygame.display.update()
     f.tick(3)
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