public Sea()
{
Ship _ship=new Ship(GameObject.Instantiate(Dummer.get_single().ship_pref,Vector3.zero,Quaternion.Euler(0,180,0)) as GameObject,Dummer.get_single().mat);
Camera.mainCamera.GetComponent<SCamera>().set_follow_ship(_ship.get_go());
Dummer.get_single().rudder.ship=_ship.get_go();
m_ship_list.Add(_ship);
}