public void Dragging(Ray r)
    {
        if (cropping == true)
        {
            //Debug.DrawRay(r.origin, r.direction);
            cc.Dragging(r);
        }

        //Debug.Log("dragging in ems");
        if (drawing == true)
        {
            //Debug.Log("Dragdraw");
            dc.Draw(r);
        }
    }