# ÊÇ·ñÃüÖй«Ê½, ¼ÆËã½á¹û´óÓÚ0ÔòÃüÖÐ # ²ÎÊý: # aHit ¹¥»÷·½ÃüÖÐÖµ # aHitSuccessRate ¹¥»÷·½ÃüÖгɹ¦ÂÊ£¨Ä¬ÈÏ10000£© # dMissSuccessRate ·ÀÊØ·½ÉÁ±Ü³É¹¦ÂÊ£¨Ä¬ÈÏ0£© # dMiss ·ÀÊØ·½ÉÁ±ÜÖµ # random.random() 0~1Ö®¼äµÄËæ»úÊý ( aHit / float(aHit + dMiss)*(aHitSuccessRate-dMissSuccessRate)/10000 - random.random() )