//從UFOList中新增UFO
static public List <UFO> InstantiateUFOs(int lack)
{
//新加入UFO,保留原本UFO並加入新UFO
List <UFO> TempUFOList = new List <UFO> ();
//設定座標 & 實例化UFO
for (int i = 0; i < lack; i++)
{
UFO ufo = new UFO(Level1_DB.LoadUFO [Level1_DB.g_iRandom]);
ufo.GetUFO.transform.localPosition = GeneratePoint [s_iPos++ % 4];
Level1_DB.UFOList.Add(ufo);
TempUFOList.Add(ufo);
ufo.AddListener();
}
return(TempUFOList);
}