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three.js
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							<!DOCTYPE html>
<html lang="en">
	<head>
		<title>three.js vr - handinput</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="info">
			<a href="https://threejs.org" target="_blank" rel="noopener">three.js</a> vr - handinput<br/>
			(Oculus Browser 15.1+)
		</div>

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

		<script type="module">

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

			let container;
			let camera, scene, renderer;
			let hand1, hand2;
			let controller1, controller2;
			let controllerGrip1, controllerGrip2;

			let controls;

			init();

			function init() {

				container = document.createElement( 'div' );
				document.body.appendChild( container );

				scene = new THREE.Scene();
				scene.background = new THREE.Color( 0x444444 );

				camera = new THREE.PerspectiveCamera( 50, window.innerWidth / window.innerHeight, 0.1, 10 );
				camera.position.set( 0, 1.6, 3 );

				controls = new OrbitControls( camera, container );
				controls.target.set( 0, 1.6, 0 );
				controls.update();

				const floorGeometry = new THREE.PlaneGeometry( 4, 4 );
				const floorMaterial = new THREE.MeshStandardMaterial( { color: 0x666666 } );
				const floor = new THREE.Mesh( floorGeometry, floorMaterial );
				floor.rotation.x = - Math.PI / 2;
				floor.receiveShadow = true;
				scene.add( floor );

				scene.add( new THREE.HemisphereLight( 0xbcbcbc, 0xa5a5a5, 3 ) );

				const light = new THREE.DirectionalLight( 0xffffff, 3 );
				light.position.set( 0, 6, 0 );
				light.castShadow = true;
				light.shadow.camera.top = 2;
				light.shadow.camera.bottom = - 2;
				light.shadow.camera.right = 2;
				light.shadow.camera.left = - 2;
				light.shadow.mapSize.set( 4096, 4096 );
				scene.add( light );

				//

				renderer = new THREE.WebGLRenderer( { antialias: true } );
				renderer.setPixelRatio( window.devicePixelRatio );
				renderer.setSize( window.innerWidth, window.innerHeight );
				renderer.setAnimationLoop( animate );
				renderer.shadowMap.enabled = true;
				renderer.xr.enabled = true;

				container.appendChild( renderer.domElement );

				const sessionInit = {
					requiredFeatures: [ 'hand-tracking' ]
				};

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

				// controllers

				controller1 = renderer.xr.getController( 0 );
				scene.add( controller1 );

				controller2 = renderer.xr.getController( 1 );
				scene.add( controller2 );

				const controllerModelFactory = new XRControllerModelFactory();
				const handModelFactory = new XRHandModelFactory();

				// Hand 1
				controllerGrip1 = renderer.xr.getControllerGrip( 0 );
				controllerGrip1.add( controllerModelFactory.createControllerModel( controllerGrip1 ) );
				scene.add( controllerGrip1 );

				hand1 = renderer.xr.getHand( 0 );
				hand1.add( handModelFactory.createHandModel( hand1 ) );

				scene.add( hand1 );

				// Hand 2
				controllerGrip2 = renderer.xr.getControllerGrip( 1 );
				controllerGrip2.add( controllerModelFactory.createControllerModel( controllerGrip2 ) );
				scene.add( controllerGrip2 );

				hand2 = renderer.xr.getHand( 1 );
				hand2.add( handModelFactory.createHandModel( hand2 ) );
				scene.add( hand2 );

				//

				const geometry = new THREE.BufferGeometry().setFromPoints( [ new THREE.Vector3( 0, 0, 0 ), new THREE.Vector3( 0, 0, - 1 ) ] );

				const line = new THREE.Line( geometry );
				line.name = 'line';
				line.scale.z = 5;

				controller1.add( line.clone() );
				controller2.add( line.clone() );

				//

				window.addEventListener( 'resize', onWindowResize );

			}

			function onWindowResize() {

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

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

			}
			//

			function animate() {

				renderer.render( scene, camera );

			}

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