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- <!DOCTYPE html>
- <html lang="en">
- <head>
- <title>three.js webaudio - sandbox</title>
- <meta charset="utf-8">
- <meta name="viewport" content="width=device-width, user-scalable=no, minimum-scale=1.0, maximum-scale=1.0">
- <link type="text/css" rel="stylesheet" href="main.css">
- </head>
- <body>
- <audio id="song" preload="auto" style="display: none">
- <source src="sounds/358232_j_s_song.ogg" type="audio/ogg">
- <source src="sounds/358232_j_s_song.mp3" type="audio/mpeg">
- </audio>
- <audio id="skullbeatz" preload="auto" style="display: none">
- <source src="sounds/376737_Skullbeatz___Bad_Cat_Maste.ogg" type="audio/ogg">
- <source src="sounds/376737_Skullbeatz___Bad_Cat_Maste.mp3" type="audio/mpeg">
- </audio>
- <audio id="utopia" loop preload="auto" style="display: none">
- <source src="sounds/Project_Utopia.ogg" type="audio/ogg">
- <source src="sounds/Project_Utopia.mp3" type="audio/mpeg">
- </audio>
- <div id="overlay">
- <button id="startButton">Play</button>
- </div>
- <div id="info">
- <a href="https://threejs.org" target="_blank" rel="noopener">three.js</a> webaudio - sandbox<br/>
- music by <a href="http://www.newgrounds.com/audio/listen/358232" target="_blank" rel="noopener">larrylarrybb</a>,
- <a href="http://www.newgrounds.com/audio/listen/376737" target="_blank" rel="noopener">skullbeatz</a> and
- <a href="http://opengameart.org/content/project-utopia-seamless-loop" target="_blank" rel="noopener">congusbongus</a><br/><br/>
- navigate with WASD / arrows / mouse
- </div>
- <script type="importmap">
- {
- "imports": {
- "three": "../build/three.module.js",
- "three/addons/": "./jsm/"
- }
- }
- </script>
- <script type="module">
- import * as THREE from 'three';
- import { GUI } from 'three/addons/libs/lil-gui.module.min.js';
- import { FirstPersonControls } from 'three/addons/controls/FirstPersonControls.js';
- let camera, controls, scene, renderer, light;
- let material1, material2, material3;
- let analyser1, analyser2, analyser3;
- const clock = new THREE.Clock();
- const startButton = document.getElementById( 'startButton' );
- startButton.addEventListener( 'click', init );
- function init() {
- const overlay = document.getElementById( 'overlay' );
- overlay.remove();
- camera = new THREE.PerspectiveCamera( 50, window.innerWidth / window.innerHeight, 1, 10000 );
- camera.position.set( 0, 25, 0 );
- const listener = new THREE.AudioListener();
- camera.add( listener );
- scene = new THREE.Scene();
- scene.fog = new THREE.FogExp2( 0x000000, 0.0025 );
- light = new THREE.DirectionalLight( 0xffffff, 3 );
- light.position.set( 0, 0.5, 1 ).normalize();
- scene.add( light );
- const sphere = new THREE.SphereGeometry( 20, 32, 16 );
- material1 = new THREE.MeshPhongMaterial( { color: 0xffaa00, flatShading: true, shininess: 0 } );
- material2 = new THREE.MeshPhongMaterial( { color: 0xff2200, flatShading: true, shininess: 0 } );
- material3 = new THREE.MeshPhongMaterial( { color: 0x6622aa, flatShading: true, shininess: 0 } );
- // sound spheres
- const mesh1 = new THREE.Mesh( sphere, material1 );
- mesh1.position.set( - 250, 30, 0 );
- scene.add( mesh1 );
- const sound1 = new THREE.PositionalAudio( listener );
- const songElement = document.getElementById( 'song' );
- sound1.setMediaElementSource( songElement );
- sound1.setRefDistance( 20 );
- songElement.play();
- mesh1.add( sound1 );
- //
- const mesh2 = new THREE.Mesh( sphere, material2 );
- mesh2.position.set( 250, 30, 0 );
- scene.add( mesh2 );
- const sound2 = new THREE.PositionalAudio( listener );
- const skullbeatzElement = document.getElementById( 'skullbeatz' );
- sound2.setMediaElementSource( skullbeatzElement );
- sound2.setRefDistance( 20 );
- skullbeatzElement.play();
- mesh2.add( sound2 );
- //
- const mesh3 = new THREE.Mesh( sphere, material3 );
- mesh3.position.set( 0, 30, - 250 );
- scene.add( mesh3 );
- const sound3 = new THREE.PositionalAudio( listener );
- const oscillator = listener.context.createOscillator();
- oscillator.type = 'sine';
- oscillator.frequency.setValueAtTime( 144, sound3.context.currentTime );
- oscillator.start( 0 );
- sound3.setNodeSource( oscillator );
- sound3.setRefDistance( 20 );
- sound3.setVolume( 0.5 );
- mesh3.add( sound3 );
- // analysers
- analyser1 = new THREE.AudioAnalyser( sound1, 32 );
- analyser2 = new THREE.AudioAnalyser( sound2, 32 );
- analyser3 = new THREE.AudioAnalyser( sound3, 32 );
- // global ambient audio
- const sound4 = new THREE.Audio( listener );
- const utopiaElement = document.getElementById( 'utopia' );
- sound4.setMediaElementSource( utopiaElement );
- sound4.setVolume( 0.5 );
- utopiaElement.play();
- // ground
- const helper = new THREE.GridHelper( 1000, 10, 0x444444, 0x444444 );
- helper.position.y = 0.1;
- scene.add( helper );
- //
- const SoundControls = function () {
- this.master = listener.getMasterVolume();
- this.firstSphere = sound1.getVolume();
- this.secondSphere = sound2.getVolume();
- this.thirdSphere = sound3.getVolume();
- this.Ambient = sound4.getVolume();
- };
- const GeneratorControls = function () {
- this.frequency = oscillator.frequency.value;
- this.wavetype = oscillator.type;
- };
- const gui = new GUI();
- const soundControls = new SoundControls();
- const generatorControls = new GeneratorControls();
- const volumeFolder = gui.addFolder( 'sound volume' );
- const generatorFolder = gui.addFolder( 'sound generator' );
- volumeFolder.add( soundControls, 'master' ).min( 0.0 ).max( 1.0 ).step( 0.01 ).onChange( function () {
- listener.setMasterVolume( soundControls.master );
- } );
- volumeFolder.add( soundControls, 'firstSphere' ).min( 0.0 ).max( 1.0 ).step( 0.01 ).onChange( function () {
- sound1.setVolume( soundControls.firstSphere );
- } );
- volumeFolder.add( soundControls, 'secondSphere' ).min( 0.0 ).max( 1.0 ).step( 0.01 ).onChange( function () {
- sound2.setVolume( soundControls.secondSphere );
- } );
- volumeFolder.add( soundControls, 'thirdSphere' ).min( 0.0 ).max( 1.0 ).step( 0.01 ).onChange( function () {
- sound3.setVolume( soundControls.thirdSphere );
- } );
- volumeFolder.add( soundControls, 'Ambient' ).min( 0.0 ).max( 1.0 ).step( 0.01 ).onChange( function () {
- sound4.setVolume( soundControls.Ambient );
- } );
- volumeFolder.open();
- generatorFolder.add( generatorControls, 'frequency' ).min( 50.0 ).max( 5000.0 ).step( 1.0 ).onChange( function () {
- oscillator.frequency.setValueAtTime( generatorControls.frequency, listener.context.currentTime );
- } );
- generatorFolder.add( generatorControls, 'wavetype', [ 'sine', 'square', 'sawtooth', 'triangle' ] ).onChange( function () {
- oscillator.type = generatorControls.wavetype;
- } );
- generatorFolder.open();
- //
- renderer = new THREE.WebGLRenderer( { antialias: true } );
- renderer.setPixelRatio( window.devicePixelRatio );
- renderer.setSize( window.innerWidth, window.innerHeight );
- renderer.setAnimationLoop( animate );
- document.body.appendChild( renderer.domElement );
- //
- controls = new FirstPersonControls( camera, renderer.domElement );
- controls.movementSpeed = 70;
- controls.lookSpeed = 0.05;
- controls.lookVertical = false;
- //
- window.addEventListener( 'resize', onWindowResize );
- }
- function onWindowResize() {
- camera.aspect = window.innerWidth / window.innerHeight;
- camera.updateProjectionMatrix();
- renderer.setSize( window.innerWidth, window.innerHeight );
- controls.handleResize();
- }
- function animate() {
- const delta = clock.getDelta();
- controls.update( delta );
- material1.emissive.b = analyser1.getAverageFrequency() / 256;
- material2.emissive.b = analyser2.getAverageFrequency() / 256;
- material3.emissive.b = analyser3.getAverageFrequency() / 256;
- renderer.render( scene, camera );
- }
- </script>
- </body>
- </html>
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