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+<!DOCTYPE html>
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+<html lang="en">
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+ <head>
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+ <title>three.js vr - dragging</title>
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+ <meta charset="utf-8">
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+ <meta name="viewport" content="width=device-width, initial-scale=1.0, user-scalable=no">
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+ <link type="text/css" rel="stylesheet" href="main.css">
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+ </head>
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+ <body>
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+
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+ <div id="info">
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+ <a href="https://threejs.org" target="_blank" rel="noopener">three.js</a> vr - haptics
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+ </div>
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+
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+ <script type="module">
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+
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+ import * as THREE from '../build/three.module.js';
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+ import { OrbitControls } from './jsm/controls/OrbitControls.js';
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+ import { VRButton } from './jsm/webxr/VRButton.js';
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+ import { XRControllerModelFactory } from './jsm/webxr/XRControllerModelFactory.js';
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+
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+ var container;
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+ var camera, scene, renderer;
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+ var controller1, controller2;
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+ var controllerGrip1, controllerGrip2;
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+ var box = new THREE.Box3();
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+
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+ var controllers = [];
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+ var oscillators = [];
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+ var controls, group;
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+ var audioCtx = null;
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+
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+ init();
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+ animate();
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+
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+ function initAudio() {
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+
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+ if ( audioCtx !== null ) {
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+
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+ return;
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+
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+ }
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+
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+ audioCtx = new ( window.AudioContext || window.webkitAudioContext )();
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+ function createOscillator() {
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+
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+ let oscillator = audioCtx.createOscillator();
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+ const real = Array.from( { length: 8192 }, ( _, n ) => (
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+ n === 0 ?
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+ 0 :
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+ 4 / ( n * Math.PI ) * Math.sin( Math.PI * n * 0.18 )
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+ ) );
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+ const imag = real.map( () => 0 );
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+ oscillator.setPeriodicWave( audioCtx.createPeriodicWave( Float32Array.from( real ), Float32Array.from( imag ) ) );
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+ oscillator.start();
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+ return oscillator;
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+
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+ }
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+
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+ oscillators.push( createOscillator() );
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+ oscillators.push( createOscillator() );
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+ window.oscillators = oscillators;
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+ }
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+
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+ function init() {
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+
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+ container = document.createElement( 'div' );
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+ document.body.appendChild( container );
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+
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+ scene = new THREE.Scene();
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+ scene.background = new THREE.Color( 0x808080 );
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+
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+ camera = new THREE.PerspectiveCamera( 50, window.innerWidth / window.innerHeight, 0.1, 10 );
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+ camera.position.set( 0, 1.6, 3 );
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+
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+ controls = new OrbitControls( camera, container );
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+ controls.target.set( 0, 1.6, 0 );
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+ controls.update();
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+
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+ var geometry = new THREE.PlaneBufferGeometry( 4, 4 );
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+ var material = new THREE.MeshStandardMaterial( {
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+ color: 0xeeeeee,
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+ roughness: 1.0,
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+ metalness: 0.0
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+ } );
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+ var floor = new THREE.Mesh( geometry, material );
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+ floor.rotation.x = - Math.PI / 2;
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+ floor.receiveShadow = true;
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+ scene.add( floor );
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+
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+ scene.add( new THREE.HemisphereLight( 0x808080, 0x606060 ) );
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+
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+ var light = new THREE.DirectionalLight( 0xffffff );
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+ light.position.set( 0, 6, 0 );
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+ light.castShadow = true;
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+ light.shadow.camera.top = 2;
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+ light.shadow.camera.bottom = - 2;
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+ light.shadow.camera.right = 2;
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+ light.shadow.camera.left = - 2;
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+ light.shadow.mapSize.set( 4096, 4096 );
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+ scene.add( light );
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+
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+ group = new THREE.Group();
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+ group.position.z = - 0.5;
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+ scene.add( group );
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+
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+ for ( var i = 0; i < 10; i ++ ) {
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+
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+ const intensity = ( i + 1 ) / 10;
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+ const w = 0.1;
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+ const h = 0.1;
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+ const minH = 1;
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+ var geometry = new THREE.BoxBufferGeometry( w, h * i + minH, w );
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+ var material = new THREE.MeshStandardMaterial( {
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+ color: new THREE.Color( intensity, 0.1, 0.1 ),
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+ roughness: 0.7,
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+ metalness: 0.0
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+ } );
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+
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+ var object = new THREE.Mesh( geometry, material );
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+ object.position.x = ( i - 5 ) * ( w + 0.05 );
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+ object.castShadow = true;
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+ object.receiveShadow = true;
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+ object.userData = {
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+ index: i + 1,
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+ intensity: intensity
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+ };
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+
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+ group.add( object );
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+
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+ }
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+
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+ //
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+
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+ renderer = new THREE.WebGLRenderer( { antialias: true } );
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+ renderer.setPixelRatio( window.devicePixelRatio );
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+ renderer.setSize( window.innerWidth, window.innerHeight );
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+ renderer.outputEncoding = THREE.sRGBEncoding;
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+ renderer.shadowMap.enabled = true;
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+ renderer.xr.enabled = true;
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+ container.appendChild( renderer.domElement );
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+
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+ document.body.appendChild( VRButton.createButton( renderer ) );
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+
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+ document.getElementById( "VRButton" ).addEventListener( "click", () => {
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+
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+ initAudio();
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+
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+ } );
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+
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+ // controllers
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+
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+ controller1 = renderer.xr.getController( 0 );
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+ scene.add( controller1 );
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+
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+ controller2 = renderer.xr.getController( 1 );
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+ scene.add( controller2 );
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+
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+ var controllerModelFactory = new XRControllerModelFactory();
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+
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+ controllerGrip1 = renderer.xr.getControllerGrip( 0 );
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+ controllerGrip1.addEventListener( "connected", controllerConnected );
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+ controllerGrip1.addEventListener( "disconnected", controllerDisconnected );
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+ controllerGrip1.add( controllerModelFactory.createControllerModel( controllerGrip1 ) );
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+ scene.add( controllerGrip1 );
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+
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+ controllerGrip2 = renderer.xr.getControllerGrip( 1 );
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+ controllerGrip2.addEventListener( "connected", controllerConnected );
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+ controllerGrip2.addEventListener( "disconnected", controllerDisconnected );
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+ controllerGrip2.add( controllerModelFactory.createControllerModel( controllerGrip2 ) );
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+ scene.add( controllerGrip2 );
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+
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+ //
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+
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+ window.addEventListener( 'resize', onWindowResize, false );
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+
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+ }
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+
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+ function controllerConnected( evt ) {
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+
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+ controllers.push( {
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+ gamepad: evt.data.gamepad,
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+ grip: evt.target,
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+ colliding: false,
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+ playing: false
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+ } );
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+
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+ }
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+
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+ function controllerDisconnected( evt ) {
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+
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+ const index = controllers.findIndex( o => o.controller === evt.target );
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+ if ( index !== - 1 ) {
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+
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+ controllers.splice( index, 1 );
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+
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+ }
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+
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+ }
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+
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+ function onWindowResize() {
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+
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+ camera.aspect = window.innerWidth / window.innerHeight;
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+ camera.updateProjectionMatrix();
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+
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+ renderer.setSize( window.innerWidth, window.innerHeight );
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+
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+ }
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+
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+ //
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+
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+ function animate() {
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+
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+ renderer.setAnimationLoop( render );
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+
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+ }
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+
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+ function handleCollisions() {
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+
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+ for ( var g = 0; g < controllers.length; g ++ ) {
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+
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+ controllers[ g ].colliding = false;
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+
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+ const { grip, gamepad } = controllers[ g ];
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+ var sphere = {
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+ radius: 0.03,
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+ center: grip.position
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+ };
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+
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+ if ( "hapticActuators" in gamepad && gamepad.hapticActuators != null && gamepad.hapticActuators.length > 0 ) {
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+
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+ for ( var i = 0; i < group.children.length; i ++ ) {
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+
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+ const child = group.children[ i ];
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+ box.setFromObject( child );
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+ if ( box.intersectsSphere( sphere ) ) {
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+
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+ child.material.emissive.b = 1;
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+ const intensity = child.userData.index / group.children.length;
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+ child.scale.setScalar( 1 + Math.random() * 0.1 * intensity );
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+ gamepad.hapticActuators[ 0 ].pulse( intensity, 100 );
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+ oscillators[ g ].frequency.value = 100 + intensity * 60;
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+ controllers[ g ].colliding = true;
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+
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+ } else {
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+
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+ child.material.emissive.b = 0;
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+ child.scale.setScalar( 1 );
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+
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+ }
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+
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+ }
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+
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+ }
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+
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+ if ( controllers[ g ].colliding ) {
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+
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+ if ( ! controllers[ g ].playing ) {
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+
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+ controllers[ g ].playing = true;
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+ oscillators[ g ].connect( audioCtx.destination );
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+
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+ }
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+
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+ } else {
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+
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+ if ( controllers[ g ].playing ) {
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+
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+ controllers[ g ].playing = false;
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+ oscillators[ g ].disconnect( audioCtx.destination );
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+
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+ }
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+
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+ }
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+
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+ }
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+
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+ }
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+
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+ function render() {
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+
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+ handleCollisions();
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+
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+ renderer.render( scene, camera );
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+
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+ }
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+
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+ </script>
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+ </body>
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+</html>
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Mr.doob
