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327 lines
8.0 KiB
327 lines
8.0 KiB
3 years ago
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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 - haptics</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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<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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<!-- Import maps polyfill -->
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<!-- Remove this when import maps will be widely supported -->
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<script async src="https://unpkg.com/es-module-shims@1.3.6/dist/es-module-shims.js"></script>
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<script type="importmap">
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{
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"imports": {
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"three": "../build/three.module.js",
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"three/addons/": "./jsm/"
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}
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}
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</script>
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<script type="module">
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import * as THREE from 'three';
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import { OrbitControls } from 'three/addons/controls/OrbitControls.js';
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import { VRButton } from 'three/addons/webxr/VRButton.js';
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import { XRControllerModelFactory } from 'three/addons/webxr/XRControllerModelFactory.js';
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let container;
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let camera, scene, renderer;
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let controller1, controller2;
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let controllerGrip1, controllerGrip2;
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const box = new THREE.Box3();
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const controllers = [];
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const oscillators = [];
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let controls, group;
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let audioCtx = null;
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// minor pentatonic scale, so whichever notes is striked would be more pleasant
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const musicScale = [ 0, 3, 5, 7, 10 ];
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init();
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animate();
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function initAudio() {
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if ( audioCtx !== null ) {
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return;
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}
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audioCtx = new ( window.AudioContext || window.webkitAudioContext )();
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function createOscillator() {
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// creates oscillator
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const oscillator = audioCtx.createOscillator();
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oscillator.type = 'sine'; // possible values: sine, triangle, square
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oscillator.start();
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return oscillator;
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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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function init() {
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container = document.createElement( 'div' );
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document.body.appendChild( container );
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scene = new THREE.Scene();
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scene.background = new THREE.Color( 0x808080 );
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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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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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const floorGeometry = new THREE.PlaneGeometry( 4, 4 );
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const floorMaterial = 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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const floor = new THREE.Mesh( floorGeometry, floorMaterial );
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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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scene.add( new THREE.HemisphereLight( 0x808080, 0x606060 ) );
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const 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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group = new THREE.Group();
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group.position.z = - 0.5;
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scene.add( group );
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const BOXES = 10;
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for ( let i = 0; i < BOXES; i ++ ) {
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const intensity = ( i + 1 ) / BOXES;
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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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const geometry = new THREE.BoxGeometry( w, h * i + minH, w );
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const 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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const 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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group.add( object );
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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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document.body.appendChild( VRButton.createButton( renderer ) );
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document.getElementById( 'VRButton' ).addEventListener( 'click', () => {
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initAudio();
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} );
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// controllers
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controller1 = renderer.xr.getController( 0 );
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scene.add( controller1 );
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controller2 = renderer.xr.getController( 1 );
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scene.add( controller2 );
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const controllerModelFactory = new XRControllerModelFactory();
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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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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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window.addEventListener( 'resize', onWindowResize );
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}
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function controllerConnected( evt ) {
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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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function controllerDisconnected( evt ) {
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const index = controllers.findIndex( o => o.controller === evt.target );
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if ( index !== - 1 ) {
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controllers.splice( index, 1 );
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}
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}
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function onWindowResize() {
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camera.aspect = window.innerWidth / window.innerHeight;
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camera.updateProjectionMatrix();
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renderer.setSize( window.innerWidth, window.innerHeight );
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}
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//
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function animate() {
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renderer.setAnimationLoop( render );
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}
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function handleCollisions() {
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for ( let i = 0; i < group.children.length; i ++ ) {
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group.children[ i ].collided = false;
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}
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for ( let g = 0; g < controllers.length; g ++ ) {
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const controller = controllers[ g ];
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controller.colliding = false;
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const { grip, gamepad } = controller;
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const sphere = {
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radius: 0.03,
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center: grip.position
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};
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const supportHaptic = 'hapticActuators' in gamepad && gamepad.hapticActuators != null && gamepad.hapticActuators.length > 0;
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for ( let i = 0; i < group.children.length; i ++ ) {
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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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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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if ( supportHaptic ) {
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gamepad.hapticActuators[ 0 ].pulse( intensity, 100 );
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}
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const musicInterval = musicScale[ child.userData.index % musicScale.length ] + 12 * Math.floor( child.userData.index / musicScale.length );
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oscillators[ g ].frequency.value = 110 * Math.pow( 2, musicInterval / 12 );
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controller.colliding = true;
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group.children[ i ].collided = true;
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}
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}
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if ( controller.colliding ) {
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if ( ! controller.playing ) {
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controller.playing = true;
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oscillators[ g ].connect( audioCtx.destination );
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}
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} else {
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if ( controller.playing ) {
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controller.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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for ( let i = 0; i < group.children.length; i ++ ) {
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const child = group.children[ i ];
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if ( ! child.collided ) {
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// reset uncollided boxes
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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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function render() {
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handleCollisions();
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renderer.render( scene, camera );
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}
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</script>
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</body>
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</html>
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