// Update is called once per frame
void FixedUpdate()
{
RD.AddForce(Targetdirection * bulletspeed, FM);
if (gameObject.transform.position.y > 2.5 ||
gameObject.transform.position.y < -2.5)
{
DS.EXDestroy();
}
//子彈跑出邊界時刪除子彈
}
