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							<!DOCTYPE html>
<html lang="en">
	<head>
		<title>three.js vr - panorama with depth</title>
		<meta charset="utf-8">
		<meta name="viewport" content="width=device-width, initial-scale=1.0, user-scalable=no">
		<link type="text/css" rel="stylesheet" href="main.css">
	</head>
	<body>
		<div id="container"></div>

		<div id="info">
			<a href="https://threejs.org" target="_blank" rel="noopener">three.js</a> vr - panorama with depth<br />
			Created by <a href="https://orfleisher.com" target="_blank" rel="noopener">@juniorxsound</a>. Panorama from <a href="https://krpano.com/examples/?depthmap" target="_blank" rel="noopener">krpano</a>.
		</div>

		<script type="importmap">
			{
				"imports": {
					"three": "../build/three.module.js",
					"three/addons/": "./jsm/"
				}
			}
		</script>

		<script type="module">

			import * as THREE from 'three';
			import { VRButton } from 'three/addons/webxr/VRButton.js';

			let camera, scene, renderer, sphere, clock;

			init();

			function init() {

				const container = document.getElementById( 'container' );

				clock = new THREE.Clock();

				scene = new THREE.Scene();
				scene.background = new THREE.Color( 0x101010 );

				const light = new THREE.AmbientLight( 0xffffff, 3 );
				scene.add( light );

				camera = new THREE.PerspectiveCamera( 70, window.innerWidth / window.innerHeight, 1, 2000 );
				scene.add( camera );

				// Create the panoramic sphere geometery
				const panoSphereGeo = new THREE.SphereGeometry( 6, 256, 256 );

				// Create the panoramic sphere material
				const panoSphereMat = new THREE.MeshStandardMaterial( {
					side: THREE.BackSide,
					displacementScale: - 4.0
				} );

				// Create the panoramic sphere mesh
				sphere = new THREE.Mesh( panoSphereGeo, panoSphereMat );

				// Load and assign the texture and depth map
				const manager = new THREE.LoadingManager();
				const loader = new THREE.TextureLoader( manager );

				loader.load( './textures/kandao3.jpg', function ( texture ) {

					texture.colorSpace = THREE.SRGBColorSpace;
					texture.minFilter = THREE.NearestFilter;
					texture.generateMipmaps = false;
					sphere.material.map = texture;

				} );

				loader.load( './textures/kandao3_depthmap.jpg', function ( depth ) {

					depth.minFilter = THREE.NearestFilter;
					depth.generateMipmaps = false;
					sphere.material.displacementMap = depth;

				} );

				// On load complete add the panoramic sphere to the scene
				manager.onLoad = function () {

					scene.add( sphere );

				};

				renderer = new THREE.WebGLRenderer();
				renderer.setPixelRatio( window.devicePixelRatio );
				renderer.setSize( window.innerWidth, window.innerHeight );
				renderer.setAnimationLoop( animate );
				renderer.xr.enabled = true;
				renderer.xr.setReferenceSpaceType( 'local' );
				container.appendChild( renderer.domElement );

				document.body.appendChild( VRButton.createButton( renderer ) );

				//

				window.addEventListener( 'resize', onWindowResize );

			}

			function onWindowResize() {

				camera.aspect = window.innerWidth / window.innerHeight;
				camera.updateProjectionMatrix();

				renderer.setSize( window.innerWidth, window.innerHeight );

			}

			function animate() {

				// If we are not presenting move the camera a little so the effect is visible

				if ( renderer.xr.isPresenting === false ) {

					const time = clock.getElapsedTime();

					sphere.rotation.y += 0.001;
					sphere.position.x = Math.sin( time ) * 0.2;
					sphere.position.z = Math.cos( time ) * 0.2;

				}

				renderer.render( scene, camera );

			}

		</script>
	</body>
</html>