save project

snake.py

+import random
 import pygame
 from pygame import locals
 
@@ -54,6 +55,10 @@ while True:
     else:
         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))
@@ -62,7 +67,7 @@ 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)
\ No newline at end of file