javascript
/
three.js
mirror of https://github.com/tazdij/three.js.git


			
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							<!DOCTYPE html>
<html lang="en">
	<head>
		<title>three.js webvr - 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">
	</head>
	<body>
		<script src="js/vr/HelioWebXRPolyfill.js"></script>
		<script src="js/vr/WebVR.js"></script>

		<script type="module">
			import {
				BoxBufferGeometry,
				ImageLoader,
				Mesh,
				MeshBasicMaterial,
				PerspectiveCamera,
				Scene,
				Texture,
				WebGLRenderer
			} from "../build/three.module.js";

			var camera;
			var renderer;
			var scene;

			init();
			animate();

			function init() {

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

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

				//

				scene = new Scene();

				camera = new PerspectiveCamera( 90, window.innerWidth / window.innerHeight, 1, 1000 );
				camera.layers.enable( 1 );

				var geometry = new 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 MeshBasicMaterial( { map: textures[ i ] } ) );

				}

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


				var materialsR = [];

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

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

				}

				var skyBoxR = new 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 Texture();

				}

				var loader = new 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>