setCamera( camera ) {

		camera.lookAt( this.target );
		camera.updateMatrix();

		//setting state
		if ( camera.type == 'PerspectiveCamera' ) {

			this._fov0 = camera.fov;
			this._fovState = camera.fov;

		}

		this._cameraMatrixState0.copy( camera.matrix );
		this._cameraMatrixState.copy( this._cameraMatrixState0 );
		this._cameraProjectionState.copy( camera.projectionMatrix );
		this._zoom0 = camera.zoom;
		this._zoomState = this._zoom0;

		this._initialNear = camera.near;
		this._nearPos0 = camera.position.distanceTo( this.target ) - camera.near;
		this._nearPos = this._initialNear;

		this._initialFar = camera.far;
		this._farPos0 = camera.position.distanceTo( this.target ) - camera.far;
		this._farPos = this._initialFar;

		this._up0.copy( camera.up );
		this._upState.copy( camera.up );

		this.object = camera;
		this.object.updateProjectionMatrix();

		//making gizmos
		this._tbRadius = this.calculateTbRadius( camera );
		this.makeGizmos( this.target, this._tbRadius );

	}
Sets the camera to be controlled.  Must be called in order to set a new camera to be controlled.

@param {Camera} camera - The camera to be controlled.