save project

snake.py

@@ -19,6 +19,8 @@ x,y = 240,120
 sb=[(180,90),(180,120),(210,120),(x,y)]
 sth='right'
 ioit=right
+apple_x
+apple_y
 while True:
     for event in pygame.event.get():
         if event.type == locals.QUIT:
@@ -48,6 +50,9 @@ while True:
         y +=30
 
     sb.append((x,y))
+    if x ==apple_a and y==apple_y:
+        apple_x = random.randint(0,660)
+        apple_y = random.dandint(0,480)
     sb.pop(0)    
     # 将背景图画上去
     screen.blit(background, (0, 0))