public void setPos(PlaceHolderPos _pos)
 {
     twSeq.Kill();
     if (_pos == PlaceHolderPos.close)
     {
         transform.position = closePos;
     }
     else if (_pos == PlaceHolderPos.outter)
     {
         transform.position = outterPos;
     }
     else if (_pos == PlaceHolderPos.far)
     {
         transform.position = farPos;
     }
 }
    public void moveToward(PlaceHolderPos _pos)
    {
        var target = closePos;

        if (_pos == PlaceHolderPos.close)
        {
            target = closePos;
        }
        else if (_pos == PlaceHolderPos.outter)
        {
            target = outterPos;
        }
        else if (_pos == PlaceHolderPos.far)
        {
            target = farPos;
        }

        transform.DOMove(target, 2f);
        Invoke("startPlaceHolderAnimation", 2f);
    }