save project

snake.py

@@ -62,8 +62,11 @@ while True:
         apple_y=random.randint(1,16)
         apple_x=apple_x*30-30
         apple_y=apple_y*30-30
+        score+=10
     else:   
         position.pop(0)
+    if x<0 or x>630 or y<0 or y>450:
+        exit()
     # 将背景图画上去
     screen.blit(background, (0, 0))
     # 将贪吃蛇的头画上去
@@ -75,7 +78,7 @@ while True:
     # 将果实画上去
     screen.blit(food, (apple_x, apple_y))
     info='Score'+str(score)
-    text=pygame(info,True,(0,0,0))
+    text=my_font.render(info,True,(0,0,0))
     screen.blit(text,(540,10))
     # 刷新画面
     pygame.display.update()