saveState() {

		this.object.updateMatrix();
		this._gizmos.updateMatrix();

		this._target0.copy( this.target );
		this._cameraMatrixState0.copy( this.object.matrix );
		this._gizmoMatrixState0.copy( this._gizmos.matrix );
		this._nearPos = this.object.near;
		this._farPos = this.object.far;
		this._zoom0 = this.object.zoom;
		this._up0.copy( this.object.up );

		if ( this.object.isPerspectiveCamera ) {

			this._fov0 = this.object.fov;

		}

	}
Saves the current state of the control. This can later be recover with `reset()`.