three#Raycaster JavaScript Examples

constructor(_objects, _camera) {
    this._objects = _objects;
    this._camera = _camera;
    this._plane = new Plane();
    this._raycaster = new Raycaster();

    _mouse = new Vector2();
    this._offset = new Vector3();
    this._intersection = new Vector3();
    this._worldPosition = new Vector3();
    this._inverseMatrix = new Matrix4();
    this._intersections = [];

    this._selected = null;
  }

/**
	 * @param element {Element}
	 * @param events {EventTarget}
	 */
	constructor(element, events = element) {
		Object.defineProperty( this, 'isMapViewer', { value: true } );

		this.rootElement = element;
		this.events = events;

		this.data = {
			map: null,
			camera: null,
			controlsManager: null,
			uniforms: {
				sunlightStrength: { value: 1 },
				ambientLight: { value: 0 },
				skyColor: { value: new Color(0.5, 0.5, 1) },
				hiresTileMap: {
					value: {
						map: null,
						size: TileManager.tileMapSize,
						scale: new Vector2(1, 1),
						translate: new Vector2(),
						pos: new Vector2(),
					}
				}
			},
			superSampling: 1,
			loadedCenter: new Vector2(0, 0),
			loadedHiresViewDistance: 200,
			loadedLowresViewDistance: 2000,
		}

		this.tileCacheHash = generateCacheHash();

		this.stats = new Stats();
		this.stats.hide();

		// renderer
		this.renderer = new WebGLRenderer({
			antialias: true,
			sortObjects: true,
			preserveDrawingBuffer: true,
			logarithmicDepthBuffer: true,
		});
		this.renderer.autoClear = false;
		this.renderer.uniforms = this.data.uniforms;

		// CSS2D renderer
		this.css2dRenderer = new CSS2DRenderer(this.events);

		this.skyboxScene = new SkyboxScene(this.data.uniforms);

		this.camera = new CombinedCamera(75, 1, 0.1, 10000, 0);
		this.skyboxCamera = new PerspectiveCamera(75, 1, 0.1, 10000);

		this.controlsManager = new ControlsManager(this, this.camera);

		this.raycaster = new Raycaster();
		this.raycaster.layers.enableAll();
		this.raycaster.params.Line2 = {threshold: 20}

		/** @type {Map} */
		this.map = null;

		this.markers = new MarkerSet("bm-root");

		this.lastFrame = 0;

		// initialize
		this.initializeRootElement();

		// handle window resizes
		window.addEventListener("resize", this.handleContainerResize);

		// start render-loop
		requestAnimationFrame(this.renderLoop);
	}

/**
	 * @param id {string}
	 * @param dataUrl {string}
	 * @param events {EventTarget}
	 */
	constructor(id, dataUrl, events = null) {
		Object.defineProperty( this, 'isMap', { value: true } );

		this.events = events;

		this.data = {
			id: id,
			sorting: 0,
			dataUrl: dataUrl,
			settingsUrl: dataUrl + "settings.json",
			texturesUrl: dataUrl + "textures.json",
			name: id,
			startPos: {x: 0, z: 0},
			skyColor: new Color(),
			ambientLight: 0,
			hires: {
				tileSize: {x: 32, z: 32},
				scale: {x: 1, z: 1},
				translate: {x: 2, z: 2}
			},
			lowres: {
				tileSize: {x: 32, z: 32},
				scale: {x: 1, z: 1},
				translate: {x: 2, z: 2}
			}
		};

		this.raycaster = new Raycaster();

		/** @type {ShaderMaterial[]} */
		this.hiresMaterial = null;
		/** @type {ShaderMaterial} */
		this.lowresMaterial = null;
		/** @type {Texture[]} */
		this.loadedTextures = [];

		/** @type {TileManager} */
		this.hiresTileManager = null;
		/** @type {TileManager} */
		this.lowresTileManager = null;
	}

// filter by normals will only return objects facing the camera
	// objects can be an array of objects or a single object
	getIntersections(vec2, objects, filterByNormals, onlyVisible, recursive, linePrecision)
	{
		var vector = this.mouseToVec3(vec2);
		onlyVisible = onlyVisible || false;
		filterByNormals = filterByNormals || false;
		recursive = recursive || false;
		linePrecision = linePrecision || 20;

		var direction = vector.sub(this.camera.position).normalize();
		var raycaster = new Raycaster(this.camera.position, direction);
		raycaster.linePrecision = linePrecision;

		raycaster = new Raycaster();
		raycaster.setFromCamera( this.normalizeVector2(this.alternateMouse), this.camera );

		var intersections;

		if (objects instanceof Array)
		{
			intersections = raycaster.intersectObjects(objects, recursive);
		}
		else
		{
			intersections = raycaster.intersectObject(objects, recursive);
		}
		// filter by visible, if true
		if (onlyVisible)
		{
			intersections = Utils.removeIf(intersections, function (intersection) {return !intersection.object.visible;});
		}

		// filter by normals, if true
		if (filterByNormals)
		{
			intersections = Utils.removeIf(intersections, function (intersection) {var dot = intersection.face.normal.dot(direction);return (dot > 0);});
		}
		return intersections;
	}

_raycaster = new Raycaster()

function init() {

	infoEl = document.getElementById( 'info' );

	scene = new Scene();

	// primary camera view
	renderer = new WebGLRenderer( { antialias: true } );
	renderer.setPixelRatio( window.devicePixelRatio );
	renderer.setSize( window.innerWidth, window.innerHeight );
	renderer.setClearColor( 0x151c1f );
	renderer.shadowMap.enabled = true;
	renderer.shadowMap.type = PCFSoftShadowMap;
	renderer.outputEncoding = sRGBEncoding;

	document.body.appendChild( renderer.domElement );

	camera = new PerspectiveCamera( 60, window.innerWidth / window.innerHeight, 1, 4000 );
	camera.position.set( 400, 400, 400 );

	// controls
	controls = new OrbitControls( camera, renderer.domElement );
	controls.screenSpacePanning = false;
	controls.minDistance = 1;
	controls.maxDistance = 2000;

	// lights
	dirLight = new DirectionalLight( 0xffffff, 1.25 );
	dirLight.position.set( 1, 2, 3 ).multiplyScalar( 40 );
	dirLight.castShadow = true;
	dirLight.shadow.bias = - 0.01;
	dirLight.shadow.mapSize.setScalar( 2048 );

	const shadowCam = dirLight.shadow.camera;
	shadowCam.left = - 200;
	shadowCam.bottom = - 200;
	shadowCam.right = 200;
	shadowCam.top = 200;
	shadowCam.updateProjectionMatrix();

	scene.add( dirLight );

	const ambLight = new AmbientLight( 0xffffff, 0.05 );
	scene.add( ambLight );

	offsetGroup = new Group();
	scene.add( offsetGroup );

	new B3DMLoader()
		.load( 'https://raw.githubusercontent.com/CesiumGS/3d-tiles-samples/main/1.0/TilesetWithRequestVolume/city/lr.b3dm' )
		.then( res => {

			console.log( res );
			model = res.scene;
			offsetGroup.add( model );

			const box = new Box3();
			box.setFromObject( model );
			box.getCenter( offsetGroup.position ).multiplyScalar( - 1 );


			// reassign the material to use the batchid highlight variant.
			// in practice this should copy over any needed uniforms from the
			// original material.
			model.traverse( c => {

				if ( c.isMesh ) {

					c.material = new ShaderMaterial( batchIdHighlightShaderMixin( ShaderLib.standard ) );

				}

			} );

		} );

	raycaster = new Raycaster();
	mouse = new Vector2();

	onWindowResize();
	window.addEventListener( 'resize', onWindowResize, false );
	renderer.domElement.addEventListener( 'mousemove', onMouseMove, false );

}

function init() {

	scene = new Scene();

	// primary camera view
	renderer = new WebGLRenderer( { antialias: true } );
	renderer.setPixelRatio( window.devicePixelRatio );
	renderer.setSize( window.innerWidth, window.innerHeight );
	renderer.setClearColor( 0x151c1f );
	renderer.outputEncoding = sRGBEncoding;

	document.body.appendChild( renderer.domElement );
	renderer.domElement.tabIndex = 1;

	camera = new PerspectiveCamera( 60, window.innerWidth / window.innerHeight, 1, 4000 );
	camera.position.set( 400, 400, 400 );
	cameraHelper = new CameraHelper( camera );
	scene.add( cameraHelper );

	orthoCamera = new OrthographicCamera();
	orthoCameraHelper = new CameraHelper( orthoCamera );
	scene.add( orthoCameraHelper );

	// secondary camera view
	secondCamera = new PerspectiveCamera( 60, window.innerWidth / window.innerHeight, 1, 4000 );
	secondCamera.position.set( 400, 400, - 400 );
	secondCamera.lookAt( 0, 0, 0 );

	secondRenderer = new WebGLRenderer( { antialias: true } );
	secondRenderer.setPixelRatio( window.devicePixelRatio );
	secondRenderer.setSize( window.innerWidth, window.innerHeight );
	secondRenderer.setClearColor( 0x151c1f );
	secondRenderer.outputEncoding = sRGBEncoding;

	document.body.appendChild( secondRenderer.domElement );
	secondRenderer.domElement.style.position = 'absolute';
	secondRenderer.domElement.style.right = '0';
	secondRenderer.domElement.style.top = '0';
	secondRenderer.domElement.style.outline = '#0f1416 solid 2px';
	secondRenderer.domElement.tabIndex = 1;

	secondControls = new FlyOrbitControls( secondCamera, secondRenderer.domElement );
	secondControls.screenSpacePanning = false;
	secondControls.minDistance = 1;
	secondControls.maxDistance = 2000;

	secondCameraHelper = new CameraHelper( secondCamera );
	scene.add( secondCameraHelper );

	// Third person camera view
	thirdPersonCamera = new PerspectiveCamera( 60, window.innerWidth / window.innerHeight, 1, 4000 );
	thirdPersonCamera.position.set( 50, 40, 40 );
	thirdPersonCamera.lookAt( 0, 0, 0 );

	thirdPersonRenderer = new WebGLRenderer( { antialias: true } );
	thirdPersonRenderer.setPixelRatio( window.devicePixelRatio );
	thirdPersonRenderer.setSize( window.innerWidth, window.innerHeight );
	thirdPersonRenderer.setClearColor( 0x0f1416 );
	thirdPersonRenderer.outputEncoding = sRGBEncoding;

	document.body.appendChild( thirdPersonRenderer.domElement );
	thirdPersonRenderer.domElement.style.position = 'fixed';
	thirdPersonRenderer.domElement.style.left = '5px';
	thirdPersonRenderer.domElement.style.bottom = '5px';
	thirdPersonRenderer.domElement.tabIndex = 1;

	thirdPersonControls = new FlyOrbitControls( thirdPersonCamera, thirdPersonRenderer.domElement );
	thirdPersonControls.screenSpacePanning = false;
	thirdPersonControls.minDistance = 1;
	thirdPersonControls.maxDistance = 2000;

	// controls
	controls = new FlyOrbitControls( camera, renderer.domElement );
	controls.screenSpacePanning = false;
	controls.minDistance = 1;
	controls.maxDistance = 2000;

	// lights
	const dirLight = new DirectionalLight( 0xffffff );
	dirLight.position.set( 1, 2, 3 );
	scene.add( dirLight );

	const ambLight = new AmbientLight( 0xffffff, 0.2 );
	scene.add( ambLight );

	box = new Box3();
	sphere = new Sphere();

	offsetParent = new Group();
	scene.add( offsetParent );

	// Raycasting init
	raycaster = new Raycaster();
	mouse = new Vector2();

	rayIntersect = new Group();

	const rayIntersectMat = new MeshBasicMaterial( { color: 0xe91e63 } );
	const rayMesh = new Mesh( new CylinderBufferGeometry( 0.25, 0.25, 6 ), rayIntersectMat );
	rayMesh.rotation.x = Math.PI / 2;
	rayMesh.position.z += 3;
	rayIntersect.add( rayMesh );

	const rayRing = new Mesh( new TorusBufferGeometry( 1.5, 0.2, 16, 100 ), rayIntersectMat );
	rayIntersect.add( rayRing );
	scene.add( rayIntersect );
	rayIntersect.visible = false;

	reinstantiateTiles();

	onWindowResize();
	window.addEventListener( 'resize', onWindowResize, false );
	renderer.domElement.addEventListener( 'pointermove', onPointerMove, false );
	renderer.domElement.addEventListener( 'pointerdown', onPointerDown, false );
	renderer.domElement.addEventListener( 'pointerup', onPointerUp, false );
	renderer.domElement.addEventListener( 'pointerleave', onPointerLeave, false );

	secondRenderer.domElement.addEventListener( 'pointermove', onPointerMove, false );
	secondRenderer.domElement.addEventListener( 'pointerdown', onPointerDown, false );
	secondRenderer.domElement.addEventListener( 'pointerup', onPointerUp, false );
	secondRenderer.domElement.addEventListener( 'pointerleave', onPointerLeave, false );


	// GUI
	const gui = new GUI();
	gui.width = 300;

	const tileOptions = gui.addFolder( 'Tiles Options' );
	tileOptions.add( params, 'loadSiblings' );
	tileOptions.add( params, 'stopAtEmptyTiles' );
	tileOptions.add( params, 'displayActiveTiles' );
	tileOptions.add( params, 'errorTarget' ).min( 0 ).max( 50 );
	tileOptions.add( params, 'errorThreshold' ).min( 0 ).max( 1000 );
	tileOptions.add( params, 'maxDepth' ).min( 1 ).max( 100 );
	tileOptions.add( params, 'up', [ '+Y', '+Z', '-Z' ] );
	tileOptions.open();

	const debug = gui.addFolder( 'Debug Options' );
	debug.add( params, 'displayBoxBounds' );
	debug.add( params, 'colorMode', {

		NONE,
		SCREEN_ERROR,
		GEOMETRIC_ERROR,
		DISTANCE,
		DEPTH,
		RELATIVE_DEPTH,
		IS_LEAF,
		RANDOM_COLOR,
		RANDOM_NODE_COLOR,
		CUSTOM_COLOR

	} );
	debug.open();

	const exampleOptions = gui.addFolder( 'Example Options' );
	exampleOptions.add( params, 'resolutionScale' ).min( 0.01 ).max( 2.0 ).step( 0.01 ).onChange( onWindowResize );
	exampleOptions.add( params, 'orthographic' );
	exampleOptions.add( params, 'showThirdPerson' );
	exampleOptions.add( params, 'showSecondView' ).onChange( onWindowResize );
	exampleOptions.add( params, 'enableUpdate' ).onChange( v => {

		tiles.parseQueue.autoUpdate = v;
		tiles.downloadQueue.autoUpdate = v;

		if ( v ) {

			tiles.parseQueue.scheduleJobRun();
			tiles.downloadQueue.scheduleJobRun();

		}

	} );
	exampleOptions.add( params, 'raycast', { NONE, ALL_HITS, FIRST_HIT_ONLY } );
	exampleOptions.add( params, 'optimizeRaycast', );
	exampleOptions.add( params, 'enableCacheDisplay' );
	exampleOptions.add( params, 'enableRendererStats' );
	exampleOptions.open();

	gui.add( params, 'reload' );
	gui.open();

	statsContainer = document.createElement( 'div' );
	statsContainer.style.position = 'absolute';
	statsContainer.style.top = 0;
	statsContainer.style.left = 0;
	statsContainer.style.color = 'white';
	statsContainer.style.width = '100%';
	statsContainer.style.textAlign = 'center';
	statsContainer.style.padding = '5px';
	statsContainer.style.pointerEvents = 'none';
	statsContainer.style.lineHeight = '1.5em';
	document.body.appendChild( statsContainer );

	// Stats
	stats = new Stats();
	stats.showPanel( 0 );
	document.body.appendChild( stats.dom );

}

function init() {

	scene = new Scene();

	// primary camera view
	renderer = new WebGLRenderer( { antialias: true } );
	renderer.setPixelRatio( window.devicePixelRatio );
	renderer.setSize( window.innerWidth, window.innerHeight );
	renderer.setClearColor( 0x151c1f );
	renderer.outputEncoding = sRGBEncoding;

	document.body.appendChild( renderer.domElement );
	renderer.domElement.tabIndex = 1;

	camera = new PerspectiveCamera( 60, window.innerWidth / window.innerHeight, 1, 4000 );
	camera.position.set( 400, 400, 400 );
	cameraHelper = new CameraHelper( camera );
	scene.add( cameraHelper );

	orthoCamera = new OrthographicCamera();
	orthoCameraHelper = new CameraHelper( orthoCamera );
	scene.add( orthoCameraHelper );

	// secondary camera view
	secondCamera = new PerspectiveCamera( 60, window.innerWidth / window.innerHeight, 1, 4000 );
	secondCamera.position.set( 400, 400, - 400 );
	secondCamera.lookAt( 0, 0, 0 );

	secondRenderer = new WebGLRenderer( { antialias: true } );
	secondRenderer.setPixelRatio( window.devicePixelRatio );
	secondRenderer.setSize( window.innerWidth, window.innerHeight );
	secondRenderer.setClearColor( 0x151c1f );
	secondRenderer.outputEncoding = sRGBEncoding;

	document.body.appendChild( secondRenderer.domElement );
	secondRenderer.domElement.style.position = 'absolute';
	secondRenderer.domElement.style.right = '0';
	secondRenderer.domElement.style.top = '0';
	secondRenderer.domElement.style.outline = '#0f1416 solid 2px';
	secondRenderer.domElement.tabIndex = 1;

	secondControls = new FlyOrbitControls( secondCamera, secondRenderer.domElement );
	secondControls.screenSpacePanning = false;
	secondControls.minDistance = 1;
	secondControls.maxDistance = 2000;

	secondCameraHelper = new CameraHelper( secondCamera );
	scene.add( secondCameraHelper );

	// Third person camera view
	thirdPersonCamera = new PerspectiveCamera( 60, window.innerWidth / window.innerHeight, 1, 4000 );
	thirdPersonCamera.position.set( 50, 40, 40 );
	thirdPersonCamera.lookAt( 0, 0, 0 );

	thirdPersonRenderer = new WebGLRenderer( { antialias: true } );
	thirdPersonRenderer.setPixelRatio( window.devicePixelRatio );
	thirdPersonRenderer.setSize( window.innerWidth, window.innerHeight );
	thirdPersonRenderer.setClearColor( 0x0f1416 );
	thirdPersonRenderer.outputEncoding = sRGBEncoding;

	document.body.appendChild( thirdPersonRenderer.domElement );
	thirdPersonRenderer.domElement.style.position = 'fixed';
	thirdPersonRenderer.domElement.style.left = '5px';
	thirdPersonRenderer.domElement.style.bottom = '5px';
	thirdPersonRenderer.domElement.tabIndex = 1;

	thirdPersonControls = new FlyOrbitControls( thirdPersonCamera, thirdPersonRenderer.domElement );
	thirdPersonControls.screenSpacePanning = false;
	thirdPersonControls.minDistance = 1;
	thirdPersonControls.maxDistance = 2000;

	// controls
	controls = new FlyOrbitControls( camera, renderer.domElement );
	controls.screenSpacePanning = false;
	controls.minDistance = 1;
	controls.maxDistance = 2000;

	// lights
	const dirLight = new DirectionalLight( 0xffffff );
	dirLight.position.set( 1, 2, 3 );
	scene.add( dirLight );

	const ambLight = new AmbientLight( 0xffffff, 0.2 );
	scene.add( ambLight );

	offsetParent = new Group();
	scene.add( offsetParent );

	// Raycasting init
	raycaster = new Raycaster();
	mouse = new Vector2();

	rayIntersect = new Group();

	const rayIntersectMat = new MeshBasicMaterial( { color: 0xe91e63 } );
	const rayMesh = new Mesh( new CylinderBufferGeometry( 0.25, 0.25, 6 ), rayIntersectMat );
	rayMesh.rotation.x = Math.PI / 2;
	rayMesh.position.z += 3;
	rayIntersect.add( rayMesh );

	const rayRing = new Mesh( new TorusBufferGeometry( 1.5, 0.2, 16, 100 ), rayIntersectMat );
	rayIntersect.add( rayRing );
	scene.add( rayIntersect );
	rayIntersect.visible = false;

	reinstantiateTiles();

	onWindowResize();
	window.addEventListener( 'resize', onWindowResize, false );
	renderer.domElement.addEventListener( 'mousemove', onMouseMove, false );
	renderer.domElement.addEventListener( 'mousedown', onMouseDown, false );
	renderer.domElement.addEventListener( 'mouseup', onMouseUp, false );
	renderer.domElement.addEventListener( 'mouseleave', onMouseLeave, false );

	secondRenderer.domElement.addEventListener( 'mousemove', onMouseMove, false );
	secondRenderer.domElement.addEventListener( 'mousedown', onMouseDown, false );
	secondRenderer.domElement.addEventListener( 'mouseup', onMouseUp, false );
	secondRenderer.domElement.addEventListener( 'mouseleave', onMouseLeave, false );


	// GUI
	const gui = new GUI();
	gui.width = 300;

	const ionOptions = gui.addFolder( 'Ion' );
	ionOptions.add( params, 'ionAssetId' );
	ionOptions.add( params, 'ionAccessToken' );
	ionOptions.add( params, 'reload' );
	ionOptions.open();

	const tileOptions = gui.addFolder( 'Tiles Options' );
	tileOptions.add( params, 'loadSiblings' );
	tileOptions.add( params, 'stopAtEmptyTiles' );
	tileOptions.add( params, 'displayActiveTiles' );
	tileOptions.add( params, 'errorTarget' ).min( 0 ).max( 50 );
	tileOptions.add( params, 'errorThreshold' ).min( 0 ).max( 1000 );
	tileOptions.add( params, 'maxDepth' ).min( 1 ).max( 100 );
	tileOptions.add( params, 'up', [ '+Y', '+Z', '-Z' ] );

	const debug = gui.addFolder( 'Debug Options' );
	debug.add( params, 'displayBoxBounds' );
	debug.add( params, 'colorMode', {

		NONE,
		SCREEN_ERROR,
		GEOMETRIC_ERROR,
		DISTANCE,
		DEPTH,
		RELATIVE_DEPTH,
		IS_LEAF,
		RANDOM_COLOR,

	} );

	const exampleOptions = gui.addFolder( 'Example Options' );
	exampleOptions.add( params, 'resolutionScale' ).min( 0.01 ).max( 2.0 ).step( 0.01 ).onChange( onWindowResize );
	exampleOptions.add( params, 'orthographic' );
	exampleOptions.add( params, 'showThirdPerson' );
	exampleOptions.add( params, 'showSecondView' ).onChange( onWindowResize );
	exampleOptions.add( params, 'enableUpdate' ).onChange( v => {

		tiles.parseQueue.autoUpdate = v;
		tiles.downloadQueue.autoUpdate = v;

		if ( v ) {

			tiles.parseQueue.scheduleJobRun();
			tiles.downloadQueue.scheduleJobRun();

		}

	} );
	exampleOptions.add( params, 'raycast', { NONE, ALL_HITS, FIRST_HIT_ONLY } );
	exampleOptions.add( params, 'enableCacheDisplay' );
	exampleOptions.add( params, 'enableRendererStats' );

	gui.open();

	statsContainer = document.createElement( 'div' );
	document.getElementById( 'info' ).appendChild( statsContainer );

	// Stats
	stats = new Stats();
	stats.showPanel( 0 );
	document.body.appendChild( stats.dom );

}

function init() {

	scene = new Scene();

	// primary camera view
	renderer = new WebGLRenderer( { antialias: true } );
	renderer.setPixelRatio( window.devicePixelRatio );
	renderer.setSize( window.innerWidth, window.innerHeight );
	renderer.setClearColor( 0xbbbbbb );
	renderer.outputEncoding = sRGBEncoding;
	renderer.xr.enabled = true;

	document.body.appendChild( renderer.domElement );
	renderer.domElement.tabIndex = 1;

	renderer.setAnimationLoop( animate );

	// create workspace
	workspace = new Group();
	scene.add( workspace );

	grid = new GridHelper( 10, 10, 0xffffff, 0xffffff );
	grid.material.transparent = true;
	grid.material.opacity = 0.5;
	grid.material.depthWrite = false;
	workspace.add( grid );

	camera = new PerspectiveCamera( 60, window.innerWidth / window.innerHeight, 0.1, 4000 );
	camera.position.set( 0, 1, 0 );
	workspace.add( camera );

	// lights
	const dirLight = new DirectionalLight( 0xffffff );
	dirLight.position.set( 1, 2, 3 );
	scene.add( dirLight );

	const ambLight = new AmbientLight( 0xffffff, 0.2 );
	scene.add( ambLight );

	// tile set
	box = new Box3();
	sphere = new Sphere();

	// parent for centering the tileset
	offsetParent = new Group();
	offsetParent.rotation.x = Math.PI / 2;
	offsetParent.position.y = 32;
	scene.add( offsetParent );

	tiles = new TilesRenderer( 'https://raw.githubusercontent.com/NASA-AMMOS/3DTilesSampleData/master/msl-dingo-gap/0528_0260184_to_s64o256_colorize/scene-tileset.json' );
	offsetParent.add( tiles.group );

	// We set camera for tileset
	tiles.setCamera( camera );
	tiles.setResolutionFromRenderer( camera, renderer );


	// We define a custom scheduling callback to handle also active WebXR sessions
	const tilesSchedulingCB = func => {

		tasks.push( func );

	};

	// We set our scheduling callback for tiles downloading and parsing
	tiles.downloadQueue.schedulingCallback = tilesSchedulingCB;
	tiles.parseQueue.schedulingCallback = tilesSchedulingCB;

	tiles.lruCache.maxSize = 1200;
	tiles.lruCache.minSize = 900;

	// Raycasting init
	raycaster = new Raycaster();
	fwdVector = new Vector3( 0, 0, 1 );

	const rayIntersectMat = new MeshBasicMaterial( { color: 0xb2dfdb } );
	intersectRing = new Mesh( new TorusBufferGeometry( 1.5, 0.2, 16, 100 ), rayIntersectMat );
	intersectRing.visible = false;
	scene.add( intersectRing );

	// vr setup
	document.body.appendChild( VRButton.createButton( renderer ) );

	controller = renderer.xr.getController( 0 );
	controller.addEventListener( 'selectstart', () => {

		if ( intersectRing.visible ) {

			workspace.position.copy( intersectRing.position );

		}

	} );
	controller.addEventListener( 'connected', function ( event ) {

		this.controllerActive = true;
		this.add( buildController( event.data ) );

	} );
	controller.addEventListener( 'disconnected', function () {

		this.controllerActive = false;
		this.remove( this.children[ 0 ] );

	} );
	workspace.add( controller );

	// controller models
	const controllerModelFactory = new XRControllerModelFactory();
	controllerGrip = renderer.xr.getControllerGrip( 0 );
	controllerGrip.add( controllerModelFactory.createControllerModel( controllerGrip ) );
	workspace.add( controllerGrip );

	onWindowResize();
	window.addEventListener( 'resize', onWindowResize, false );

	// GUI
	const gui = new GUI();
	gui.width = 300;
	gui.add( params, 'displayGrid' );
	gui.add( params, 'displayBoxBounds' );
	gui.add( params, 'colorMode', {

		NONE,
		SCREEN_ERROR,
		GEOMETRIC_ERROR,
		DISTANCE,
		DEPTH,
		RELATIVE_DEPTH,
		IS_LEAF,
		RANDOM_COLOR,

	} );
	gui.open();

}