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demo-min.html
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<!DOCTYPE html>
<html dir="ltr" lang="en-US">
<head>
<meta http-equiv="content-type" content="text/html; charset=utf-8" />
<meta name="N.P. Brosowsky" content="Tone.js instrument library loader" />
<meta name="viewport" content="width=device-width, initial-scale=1" />
<!-- Styling -->
<link rel="stylesheet" href="nprogress.css" type="text/css" />
<!-- Document Title
============================================= -->
<title>ToneJS-Instruments Demo</title>
</head>
<body>
<style type="text/css">
body {
height: 100vh;
width: 100vw;
font-family: Helvetica, arial;
font-size: 16px;
}
#content {
height: 100%;
width: 100%;
display: flex;
align-items: center;
justify-content: center;
}
.container {
display: none;
}
#Keyboard {
margin: 3px!important;
}
</style>
<div id="content">
<H3 id="loading">Loading...</H3>
<div class="container">
<h1> Tone.js-Instruments</h1>
<p> Loads four random instruments from the list. Refresh for different instruments.</p>
<div id="Selector"></div>
<br/>
<div id="Keyboard"></div>
</div>
</div>
<script type="text/javascript" src="external-js/nprogress.js"></script>
<script type="text/javascript" src="external-js/NexusUI.js"></script>
<script type="text/javascript" src="external-js/Tone.js"></script>
<script type="text/javascript" src="Tonejs-Instruments.js"></script>
<script>
NProgress.start();
// load samples / choose 4 random instruments from the list //
chooseFour = ['piano', 'bass-electric', 'bassoon', 'cello', 'clarinet', 'contrabass', 'flute', 'french-horn', 'guitar-acoustic', 'guitar-electric','guitar-nylon', 'harmonium', 'harp', 'organ', 'saxophone', 'trombone', 'trumpet', 'tuba', 'violin', 'xylophone']
shuffle(chooseFour);
chooseFour = chooseFour.slice(0, 4);
var samples = SampleLibrary.load({
instruments: chooseFour,
baseUrl: "samples/"
})
var current
// show keyboard on load //
Tone.Buffer.on('load', function() {
document.querySelector(".container").style.display = 'block';
document.querySelector("#loading").style.display = 'none';
NProgress.done();
// loop through instruments and set release, connect to master output
for (var property in samples) {
if (samples.hasOwnProperty(property)) {
console.log(samples[property])
samples[property].release = .5;
samples[property].toMaster();
}
}
current = samples[chooseFour[0]];
select.on('change', function(v) {
current = samples[v.value];
})
})
// show error message on loading error //
Tone.Buffer.on('error', function() {
document.querySelector("#loading").innerHTML = "I'm sorry, there has been an error loading the samples.";
})
// create Nexus UI //
Nexus.colors.accent = "#f00"
var select = new Nexus.Select('#Selector', {
'size': [300, 30],
'options': Object.keys(samples)
});
var keyboardUI = new Nexus.Piano('#Keyboard', {
'size': [1000, 125],
'mode': 'button', // 'button', 'toggle', or 'impulse'
'lowNote': 36,
'highNote': 72
})
keyboardUI.on('change', function(note) {
console.log(Tone.Frequency(note.note, "midi").toNote());
if (note.state === true) {
current.triggerAttack(Tone.Frequency(note.note, "midi").toNote());
} else if (note.state === false) {
current.triggerRelease(Tone.Frequency(note.note, "midi").toNote());
}
})
// Shuffle function //
function shuffle(a) {
var j, x, i;
for (i = a.length - 1; i > 0; i--) {
j = Math.floor(Math.random() * (i + 1));
x = a[i];
a[i] = a[j];
a[j] = x;
}
}
</script>
</body>
</html>