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()
 FPSCLOCK=pygame.time.Clock()
@@ -18,6 +18,8 @@ body = pygame.image.load('body.png')
 
 x,y=240,120
 position=[(180,90),(180,120),(210,120),(x,y)]
+apple_X=360
+apple_Y=300
 
 setheading="right"
 snake_head=right
@@ -49,6 +51,11 @@ while True:
     else:
         y+=30
     position.append((x,y))
+
+    if x==apple_X and y==apple_Y:
+        apple_Y=random.randint(0,660)
+        apple_X=random.randint(0,480)
+
     position.pop(0)
     # 将背景图画上去
     screen.blit(background, (0, 0))
@@ -59,7 +66,7 @@ while True:
         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)
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