//角色上船函数
public void Onboat(BoatController boatController)
{
coastController = null; //离开岸边
character.transform.parent = boatController.getBoat().transform;
is_onboat = true;
}
// 上船
public void getOnBoat(BoatController boatCtrl)
{
coastController = null;
character.transform.parent = boatCtrl.getBoat().transform;
onBoat = true;
}