?????2????????13????????? (???? ?????)????13??,?????????????????????,???????????
???????????,??,???10%???????????????,??????????2000?????(?????????????)(????,?????)?1??,?10???????????????;???1??????????????????,???10????,??????????????????10??????????,????100?????????????,????????3??,?????1000??
????????,??????????????,??,?????????????????????????????????,??;???????????????3??????,??????????50%?????????????;???????,??
??,????????????????????????????????????????????????????????????????????,????????,???,????????????(????????) ????:?????????????????????
???:???????????
?????????????????????:No!
??:???????????????????
????????4????????????
??:???????????????????
?????????????????????
?????1.2?A??????????????
????????????????
?????????????????????
??????:??????????????
?????????????????
??????J?:?????????????
?????????:???11?4?????
??:???????????????????
???????????80?????????
??????????????????????
??:?????????????????30%
«????3»??????????????
????????????139??24134?
???:???????????????????
DirectFX:????????????????
???????????????????2??
?????????:???????????
????????????????????
4?7?13?????????