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index.html
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<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8">
<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">
<title>three.js webaudio - sandbox</title>
</head>
<body>
<div id="overlay">
<div>
<button id="startButton">Click to Play</button>
<p>Audio playback requires user interaction.</p>
</div>
</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="module">
import * as THREE from './jsm/three.module.js';
import { GUI } from './jsm/dat.gui.module.js';
import { FirstPersonControls } from './jsm/FirstPersonControls.js';
import PositionalAudioFilter from './jsm/PositionalAudioFilter.js';
var camera, controls, scene, renderer, light;
var material1, analyser1, filter1;
var soundControls, filterControls;
var clock = new THREE.Clock();
var startButton = document.getElementById( 'startButton' );
startButton.addEventListener( 'click', init );
function init() {
var overlay = document.getElementById( 'overlay' );
overlay.remove();
camera = new THREE.PerspectiveCamera( 50, window.innerWidth / window.innerHeight, 1, 10000 );
camera.position.set( 0, 25, 0 );
var listener = new THREE.AudioListener();
camera.add( listener );
scene = new THREE.Scene();
scene.fog = new THREE.FogExp2( 0x000000, 0.0025 );
light = new THREE.DirectionalLight( 0xffffff );
light.position.set( 0, 0.5, 1 ).normalize();
scene.add( light );
var sphere = new THREE.SphereBufferGeometry( 20, 32, 16 );
material1 = new THREE.MeshPhongMaterial( { color: 0xffaa00, flatShading: true, shininess: 0 } );
// sound spheres
var audioLoader = new THREE.AudioLoader();
var mesh1 = new THREE.Mesh( sphere, material1 );
mesh1.position.set( 0, 30, -150 );
scene.add( mesh1 );
var sound1 = new THREE.PositionalAudio( listener );
filter1 = new PositionalAudioFilter(sound1);
filter1.type = 'lowshelf';
audioLoader.load( 'sounds/cipater-sample.ogg', function ( buffer ) {
sound1.setBuffer( buffer );
sound1.setDistanceModel("inverse");
sound1.setRefDistance(20);
sound1.setRolloffFactor(2);
sound1.setVolume(1);
sound1.setLoop(true);
filter1.connect();
sound1.play();
} );
mesh1.add( sound1 );
// analysers
analyser1 = new THREE.AudioAnalyser( sound1, 32 );
// ground
var helper = new THREE.GridHelper( 1000, 10, 0x444444, 0x444444 );
helper.position.y = 0.1;
scene.add( helper );
//
const SoundControls = function () {
this.master = listener.getMasterVolume();
this.volume = sound1.getVolume();
this.refDistance = sound1.getRefDistance();
this.rolloffFactor = sound1.getRolloffFactor();
this.maxDistance = sound1.getMaxDistance();
};
const FilterControls = function () {
this.frequency = filter1.frequency;
this.Q = filter1.Q;
this.gain = filter1.gain;
this.minFreq = filter1.minFreq;
this.maxFreq = filter1.maxFreq;
}
var gui = new GUI();
soundControls = new SoundControls();
filterControls = new FilterControls();
const soundFolder = gui.addFolder('volume');
const filterFolder = gui.addFolder('filter');
soundFolder.add(soundControls, 'master').min(0.0).max(1.0).step(0.01).onChange(() => {
listener.setMasterVolume(soundControls.master);
});
soundFolder.add(soundControls, 'volume').min(0.0).max(1.0).step(0.01).onChange(() => {
sound1.setVolume(soundControls.volume);
});
soundFolder.add(soundControls, 'refDistance').min(0.0).max(30).step(0.1).onChange(() => {
sound1.setRefDistance(soundControls.refDistance);
});
soundFolder.add(soundControls, 'rolloffFactor').min(0.0).max(20).step(0.1).onChange(() => {
sound1.setRolloffFactor(soundControls.rolloffFactor)
});
soundFolder.add(soundControls, 'maxDistance').min(1).max(100).step(1).onChange(() => {
sound1.setMaxDistance(soundControls.maxDistance)
});
filterFolder.add(filterControls, 'gain').min(0.0).max(25).step(0.01).onChange(() => {
filter1.gain = filterControls.gain;
});
filterFolder.add(filterControls, 'frequency').min(0.0).max(10000).step(10).onChange(() => {
filter1.frequency = filterControls.frequency;
}).listen();
filterFolder.add(filterControls, 'Q').min(0.0).max(10).step(0.01).onChange(() => {
filter1.Q = filterControls.Q;
});
filterFolder.add(filterControls, 'minFreq').min(0.0).max(2000).step(0.1).onChange(() => {
filter1.minFreq = filterControls.minFreq;
});
filterFolder.add(filterControls, 'maxFreq').min(2000).max(24000).step(0.1).onChange(() => {
filter1.maxFreq = filterControls.maxFreq;
});
soundFolder.open();
filterFolder.open();
//
renderer = new THREE.WebGLRenderer( { antialias: true } );
renderer.setPixelRatio( window.devicePixelRatio );
renderer.setSize( window.innerWidth, window.innerHeight );
document.body.appendChild( renderer.domElement );
//
controls = new FirstPersonControls( camera, renderer.domElement );
controls.movementSpeed = 70;
controls.lookSpeed = 0.05;
controls.noFly = true;
controls.lookVertical = false;
controls.onMove = (camera) => onCameraMove(camera);
//
window.addEventListener( 'resize', onWindowResize, false );
animate();
}
function onCameraMove(_camera) {
filter1.update();
// Update filter control to show change
filterControls.frequency = filter1.frequency;
}
function onWindowResize() {
camera.aspect = window.innerWidth / window.innerHeight;
camera.updateProjectionMatrix();
renderer.setSize( window.innerWidth, window.innerHeight );
controls.handleResize();
}
function animate() {
requestAnimationFrame( animate );
render();
}
function render() {
var delta = clock.getDelta();
controls.update( delta );
material1.emissive.b = analyser1.getAverageFrequency() / 256;
renderer.render( scene, camera );
}
</script>
</body>
</html>