Tone.js/examples/shiny.html

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<!DOCTYPE html>
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<html>
<head>
<meta charset="utf-8">
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<title>Play Along</title>
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<meta name="viewport" content="width=device-width, initial-scale=1, maximum-scale=1">
<link rel="icon" type="image/png" sizes="174x174" href="./favicon.png">
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<script src="https://cdnjs.cloudflare.com/ajax/libs/webcomponentsjs/2.4.3/webcomponents-bundle.js"></script>
<link href="https://fonts.googleapis.com/css?family=Material+Icons&display=block" rel="stylesheet"/>
<script src="../build/Tone.js"></script>
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<script src="./js/tone-ui.js"></script>
<script src="./js/components.js"></script>
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<style type="text/css">
tone-play-toggle {
margin-bottom: 10px;
}
tone-slider {
display: block;
width: 100%;
}
</style>
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</head>
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<body>
<tone-example>
<tone-loader></tone-loader>
<tone-explanation label="Play Along">
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Touch/Mouse and drag to play along with the probabilistic backtrack. X = pitch, Y = modulation.
</div>
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<div id="content">
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<tone-play-toggle></tone-play-toggle>
<tone-slider-pad></tone-slider-pad>
</div>
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</tone-example>
<script type="text/javascript">
// a compressor
const drumCompress = new Tone.Compressor({
threshold: -30,
ratio: 10,
attack: 0.01,
release: 0.2
}).toDestination();
const distortion = new Tone.Distortion({
distortion: 0.4,
wet: 0.4
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});
// hats
const hats = new Tone.Player({
url: "https://tonejs.github.io/audio/drum-samples/CR78/hihat.mp3",
volume: -10,
fadeOut: 0.01
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}).chain(distortion, drumCompress);
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const hatsLoop = new Tone.Loop({
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callback: function(time) {
hats.start(time).stop(time + 0.05);
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},
interval: "16n",
probability: 0.8
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}).start("1m");
// SNARE PART
const snare = new Tone.Player({
url: "https://tonejs.github.io/audio/drum-samples/CR78/snare.mp3",
fadeOut: 0.1
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}).chain(distortion, drumCompress);
const snarePart = new Tone.Sequence(((time, velocity) => {
snare.volume.value = Tone.gainToDb(velocity);
snare.start(time).stop(time + 0.1);
}), [null, 1, null, [1, 0.3]], "4n").start(0);
const kick = new Tone.MembraneSynth({
pitchDecay: 0.02,
octaves: 6,
oscillator: {
type: "square4"
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},
envelope: {
attack: 0.001,
decay: 0.2,
sustain: 0
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}
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}).connect(drumCompress);
const kickPart = new Tone.Sequence(((time, probability) => {
if (Math.random() < probability) {
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kick.triggerAttack("C1", time);
}
}), [1, [1, [null, 0.3]], 1, [1, [null, 0.5]], 1, 1, 1, [1, [null, 0.8]]], "2n").start(0);
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// BASS
const bass = new Tone.FMSynth({
harmonicity: 1,
modulationIndex: 3.5,
oscillator: {
type: "custom",
partials: [0, 1, 0, 2]
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},
envelope: {
attack: 0.08,
decay: 0.3,
sustain: 0,
},
modulation: {
type: "square"
},
modulationEnvelope: {
attack: 0.1,
decay: 0.2,
sustain: 0.3,
release: 0.01
},
}).toDestination();
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const bassPart = new Tone.Part(((time, event) => {
if (Math.random() < event.prob) {
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bass.triggerAttackRelease(event.note, event.dur, time);
}
}), [{ time: "0:0", note: "C2", dur: "4n.", prob: 1 }, { time: "0:2", note: "C2", dur: "8n", prob: 0.6 },
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{ time: "0:2.6666", note: "C2", dur: "8n", prob: 0.4 }, { time: "0:3.33333", note: "C2", dur: "8n", prob: 0.9 },
{ time: "1:0", note: "C2", dur: "4n.", prob: 1 }, { time: "1:2", note: "C2", dur: "8n", prob: 0.6 },
{ time: "1:2.6666", note: "C2", dur: "8n", prob: 0.4 }, { time: "1:3.33333", note: "E2", dur: "8n", prob: 0.9 },
{ time: "2:0", note: "F2", dur: "4n.", prob: 1 }, { time: "2:2", note: "F2", dur: "8n", prob: 0.6 },
{ time: "2:2.6666", note: "F2", dur: "8n", prob: 0.4 }, { time: "2:3.33333", note: "F2", dur: "8n", prob: 0.9 },
{ time: "3:0", note: "F2", dur: "4n.", prob: 1 }, { time: "3:2", note: "F2", dur: "8n", prob: 0.6 },
{ time: "3:2.6666", note: "F2", dur: "8n", prob: 0.4 }, { time: "3:3.33333", note: "B1", dur: "8n", prob: 0.9 }]).start(0);
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bassPart.loop = true;
bassPart.loopEnd = "4m";
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// SYNTH
const synth = new Tone.DuoSynth({
vibratoAmount: 0.5,
vibratoRate: 5,
portamento: 0.1,
harmonicity: 1.005,
volume: 5,
voice0: {
oscillator: {
type: "sawtooth"
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},
filter: {
Q: 1,
type: "lowpass",
rolloff: -24
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},
envelope: {
attack: 0.01,
decay: 0.25,
sustain: 0.4,
release: 1.2
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},
filterEnvelope: {
attack: 0.001,
decay: 0.05,
sustain: 0.3,
release: 2,
baseFrequency: 100,
octaves: 4
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}
},
voice1: {
oscillator: {
type: "sawtooth"
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},
filter: {
Q: 2,
type: "bandpass",
rolloff: -12
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},
envelope: {
attack: 0.25,
decay: 4,
sustain: 0.1,
release: 0.8
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},
filterEnvelope: {
attack: 0.05,
decay: 0.05,
sustain: 0.7,
release: 2,
baseFrequency: 5000,
octaves: -1.5
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}
}
}).toDestination();
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const synthNotes = ["C2", "E2", "G2", "A2",
"C3", "D3", "E3", "G3", "A3", "B3",
"C4", "D4", "E4", "G4", "A4", "B4", "C5"];
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Tone.Transport.bpm.value = 125;
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function move({ x, y }) {
// use the x and y values to set the note and vibrato
const note = synthNotes[Math.round(x * (synthNotes.length - 1))];
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synth.setNote(note);
synth.vibratoAmount.value = y;
}
function triggerAttack({ x, y }) {
// use the x and y values to set the note and vibrato
const note = synthNotes[Math.round(x * (synthNotes.length - 1))];
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synth.triggerAttack(note);
synth.vibratoAmount.value = y;
}
const drwr = drawer({
parent: document.querySelector("#content"),
open: false,
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});
drwr.folder({
name: "Drums"
}).add({
tone: hats,
name: "Hats"
}).add({
tone: kick,
name: "Kick"
}).add({
tone: snare,
name: "Snare"
}).add({
tone: drumCompress,
name: "Compressor"
}).add({
tone: distortion,
name: "Distortion"
});
drwr.folder({
name: "Synths"
}).add({
tone: bass,
name: "Bass"
}).add({
tone: synth,
name: "Synth"
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});
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// @ts-ignore
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document.querySelector("tone-slider-pad").addEventListener("move", e => move(e.detail));
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// @ts-ignore
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document.querySelector("tone-slider-pad").addEventListener("down", e => triggerAttack(e.detail));
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document.querySelector("tone-slider-pad").addEventListener("up", () => synth.triggerRelease());
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document.querySelector("tone-play-toggle").addEventListener("start", () => Tone.Transport.start());
document.querySelector("tone-play-toggle").addEventListener("stop", () => Tone.Transport.stop());
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</script>
</body>
</html>