webxr_vr_panorama.html

<!DOCTYPE html>
<html lang="en">
	<head>
		<title>three.js webxr - panorama</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">
		<!-- WebXR Device API (For Chrome M76+), expires 12/04/2019 -->
		<meta http-equiv="origin-trial" content="Aq9LklhCLNUveuCr7QTpGpqwCPG817cYHdVyQuJPOZYk47iRB390lUKa5edVmgS1pZSl8HPspElEC/91Fz55dwIAAABTeyJvcmlnaW4iOiJodHRwczovL3RocmVlanMub3JnOjQ0MyIsImZlYXR1cmUiOiJXZWJYUkRldmljZU03NiIsImV4cGlyeSI6MTU3NTQxNzU5OX0=">
	</head>
	<body>
		<script src="js/vr/HelioWebXRPolyfill.js"></script>

		<script type="module">

			import * as THREE from '../build/three.module.js';
			import { VRButton } from './jsm/webxr/VRButton.js';

			var camera;
			var renderer;
			var scene;

			init();
			animate();

			function init() {

				renderer = new THREE.WebGLRenderer();
				renderer.setPixelRatio( window.devicePixelRatio );
				renderer.setSize( window.innerWidth, window.innerHeight );
				renderer.vr.enabled = true;
				document.body.appendChild( renderer.domElement );

				document.body.appendChild( VRButton.createButton( renderer, { referenceSpaceType: 'local' } ) );

				//

				scene = new THREE.Scene();

				camera = new THREE.PerspectiveCamera( 70, window.innerWidth / window.innerHeight, 1, 1000 );
				camera.layers.enable( 1 );

				var geometry = new THREE.BoxBufferGeometry( 100, 100, 100 );
				geometry.scale( 1, 1, - 1 );

				var textures = getTexturesFromAtlasFile( "textures/cube/sun_temple_stripe_stereo.jpg", 12 );

				var materials = [];

				for ( var i = 0; i < 6; i ++ ) {

					materials.push( new THREE.MeshBasicMaterial( { map: textures[ i ] } ) );

				}

				var skyBox = new THREE.Mesh( geometry, materials );
				skyBox.layers.set( 1 );
				scene.add( skyBox );


				var materialsR = [];

				for ( var i = 6; i < 12; i ++ ) {

					materialsR.push( new THREE.MeshBasicMaterial( { map: textures[ i ] } ) );

				}

				var skyBoxR = new THREE.Mesh( geometry, materialsR );
				skyBoxR.layers.set( 2 );
				scene.add( skyBoxR );

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

			}

			function getTexturesFromAtlasFile( atlasImgUrl, tilesNum ) {

				var textures = [];

				for ( var i = 0; i < tilesNum; i ++ ) {

					textures[ i ] = new THREE.Texture();

				}

				var loader = new THREE.ImageLoader();
				loader.load( atlasImgUrl, function ( imageObj ) {

					var canvas, context;
					var tileWidth = imageObj.height;

					for ( var i = 0; i < textures.length; i ++ ) {

						canvas = document.createElement( 'canvas' );
						context = canvas.getContext( '2d' );
						canvas.height = tileWidth;
						canvas.width = tileWidth;
						context.drawImage( imageObj, tileWidth * i, 0, tileWidth, tileWidth, 0, 0, tileWidth, tileWidth );
						textures[ i ].image = canvas;
						textures[ i ].needsUpdate = true;

					}

				} );

				return textures;

			}

			function onWindowResize() {

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

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

			}

			function animate() {

				renderer.setAnimationLoop( render );

			}

			function render() {

				renderer.render( scene, camera );

			}

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