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webaudio_sandbox.html
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<!DOCTYPE html>
<html lang="en">
<head>
<title>Verge3D 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>
<div id="overlay">
<button id="startButton">Play</button>
</div>
<div id="info">
<a href="https://www.soft8soft.com/verge3d" target="_blank" rel="noopener">Verge3D</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 v3d from '../build/v3d.module.js';
import { GUI } from './jsm/libs/dat.gui.module.js';
import { FirstPersonControls } from './jsm/controls/FirstPersonControls.js';
let camera, controls, scene, renderer, light;
let material1, material2, material3;
let analyser1, analyser2, analyser3;
const clock = new v3d.Clock();
const startButton = document.getElementById('startButton');
startButton.addEventListener('click', init);
function init() {
const overlay = document.getElementById('overlay');
overlay.remove();
camera = new v3d.PerspectiveCamera(50, window.innerWidth / window.innerHeight, 1, 10000);
camera.position.set(0, 25, 0);
const listener = new v3d.AudioListener();
camera.add(listener);
scene = new v3d.Scene();
scene.fog = new v3d.FogExp2(0x000000, 0.0025);
light = new v3d.DirectionalLight(0xffffff);
light.position.set(0, 0.5, 1).normalize();
scene.add(light);
const sphere = new v3d.SphereBufferGeometry(20, 32, 16);
material1 = new v3d.MeshPhongMaterial({ color: 0xffaa00, flatShading: true, shininess: 0 });
material2 = new v3d.MeshPhongMaterial({ color: 0xff2200, flatShading: true, shininess: 0 });
material3 = new v3d.MeshPhongMaterial({ color: 0x6622aa, flatShading: true, shininess: 0 });
// sound spheres
const audioLoader = new v3d.AudioLoader();
const mesh1 = new v3d.Mesh(sphere, material1);
mesh1.position.set(- 250, 30, 0);
scene.add(mesh1);
const sound1 = new v3d.PositionalAudio(listener);
audioLoader.load('sounds/358232_j_s_song.ogg', function(buffer) {
sound1.setBuffer(buffer);
sound1.setRefDistance(20);
sound1.play();
});
mesh1.add(sound1);
//
const mesh2 = new v3d.Mesh(sphere, material2);
mesh2.position.set(250, 30, 0);
scene.add(mesh2);
const sound2 = new v3d.PositionalAudio(listener);
audioLoader.load('sounds/376737_Skullbeatz___Bad_Cat_Maste.ogg', function(buffer) {
sound2.setBuffer(buffer);
sound2.setRefDistance(20);
sound2.play();
});
mesh2.add(sound2);
//
const mesh3 = new v3d.Mesh(sphere, material3);
mesh3.position.set(0, 30, - 250);
scene.add(mesh3);
const sound3 = new v3d.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 v3d.AudioAnalyser(sound1, 32);
analyser2 = new v3d.AudioAnalyser(sound2, 32);
analyser3 = new v3d.AudioAnalyser(sound3, 32);
// global ambient audio
const sound4 = new v3d.Audio(listener);
audioLoader.load('sounds/Project_Utopia.ogg', function(buffer) {
sound4.setBuffer(buffer);
sound4.setLoop(true);
sound4.setVolume(0.5);
sound4.play();
});
// ground
const helper = new v3d.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 v3d.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;
//
window.addEventListener('resize', onWindowResize, false);
animate();
}
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() {
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>