public WaypointEditorController(Camera camera, WaypointSelector pointSelector)
        {
            this.pointSelector = pointSelector;
            this.camera        = camera;

            Enabled = true;
        }
        public WaypointPlacer(Camera camera, WaypointSelector pointSelector)
        {
            this.camera        = camera;
            this.pointSelector = pointSelector;
            lastMouse          = Mouse.GetState();

            Enabled = true;
        }