mirror of
https://github.com/Tonejs/Tone.js
synced 2024-11-15 00:07:08 +00:00
256 lines
6.4 KiB
HTML
256 lines
6.4 KiB
HTML
<!DOCTYPE html>
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<html>
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<head>
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<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">
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<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>
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<link href="https://fonts.googleapis.com/css?family=Material+Icons&display=block" rel="stylesheet"/>
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<script src="../build/Tone.js"></script>
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<script src="./js/tone-ui.js"></script>
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<script src="./js/components.js"></script>
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<style type="text/css">
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tone-play-toggle {
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margin-bottom: 10px;
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}
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tone-slider {
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display: block;
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width: 100%;
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}
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</style>
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</head>
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<body>
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<tone-example>
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<tone-loader></tone-loader>
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<tone-explanation label="Play Along">
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Touch/Mouse and drag to play along with the probabilistic backtrack. X = pitch, Y = modulation.
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</div>
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<div id="content">
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<tone-play-toggle></tone-play-toggle>
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<tone-slider-pad></tone-slider-pad>
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</div>
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</tone-example>
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<script type="text/javascript">
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// a compressor
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const drumCompress = new Tone.Compressor({
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threshold: -30,
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ratio: 10,
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attack: 0.01,
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release: 0.2
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}).toDestination();
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const distortion = new Tone.Distortion({
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distortion: 0.4,
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wet: 0.4
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});
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// hats
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const hats = new Tone.Player({
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url: "https://tonejs.github.io/audio/drum-samples/CR78/hihat.mp3",
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volume: -10,
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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) {
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hats.start(time).stop(time + 0.05);
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},
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interval: "16n",
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probability: 0.8
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}).start("1m");
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// SNARE PART
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const snare = new Tone.Player({
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url: "https://tonejs.github.io/audio/drum-samples/CR78/snare.mp3",
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fadeOut: 0.1
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}).chain(distortion, drumCompress);
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const snarePart = new Tone.Sequence(((time, velocity) => {
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snare.volume.value = Tone.gainToDb(velocity);
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snare.start(time).stop(time + 0.1);
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}), [null, 1, null, [1, 0.3]], "4n").start(0);
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const kick = new Tone.MembraneSynth({
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pitchDecay: 0.02,
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octaves: 6,
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oscillator: {
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type: "square4"
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},
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envelope: {
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attack: 0.001,
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decay: 0.2,
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sustain: 0
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}
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}).connect(drumCompress);
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const kickPart = new Tone.Sequence(((time, probability) => {
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if (Math.random() < probability) {
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kick.triggerAttack("C1", time);
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}
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}), [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
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const bass = new Tone.FMSynth({
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harmonicity: 1,
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modulationIndex: 3.5,
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oscillator: {
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type: "custom",
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partials: [0, 1, 0, 2]
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},
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envelope: {
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attack: 0.08,
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decay: 0.3,
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sustain: 0,
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},
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modulation: {
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type: "square"
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},
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modulationEnvelope: {
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attack: 0.1,
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decay: 0.2,
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sustain: 0.3,
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release: 0.01
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},
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}).toDestination();
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const bassPart = new Tone.Part(((time, event) => {
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if (Math.random() < event.prob) {
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bass.triggerAttackRelease(event.note, event.dur, time);
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}
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}), [{ 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 },
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{ time: "1:0", note: "C2", dur: "4n.", prob: 1 }, { time: "1:2", note: "C2", dur: "8n", prob: 0.6 },
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{ time: "1:2.6666", note: "C2", dur: "8n", prob: 0.4 }, { time: "1:3.33333", note: "E2", dur: "8n", prob: 0.9 },
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{ time: "2:0", note: "F2", dur: "4n.", prob: 1 }, { time: "2:2", note: "F2", dur: "8n", prob: 0.6 },
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{ time: "2:2.6666", note: "F2", dur: "8n", prob: 0.4 }, { time: "2:3.33333", note: "F2", dur: "8n", prob: 0.9 },
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{ time: "3:0", note: "F2", dur: "4n.", prob: 1 }, { time: "3:2", note: "F2", dur: "8n", prob: 0.6 },
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{ 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;
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bassPart.loopEnd = "4m";
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// SYNTH
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const synth = new Tone.DuoSynth({
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vibratoAmount: 0.5,
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vibratoRate: 5,
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portamento: 0.1,
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harmonicity: 1.005,
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volume: 5,
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voice0: {
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oscillator: {
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type: "sawtooth"
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},
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filter: {
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Q: 1,
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type: "lowpass",
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rolloff: -24
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},
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envelope: {
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attack: 0.01,
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decay: 0.25,
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sustain: 0.4,
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release: 1.2
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},
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filterEnvelope: {
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attack: 0.001,
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decay: 0.05,
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sustain: 0.3,
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release: 2,
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baseFrequency: 100,
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octaves: 4
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}
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},
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voice1: {
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oscillator: {
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type: "sawtooth"
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},
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filter: {
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Q: 2,
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type: "bandpass",
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rolloff: -12
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},
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envelope: {
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attack: 0.25,
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decay: 4,
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sustain: 0.1,
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release: 0.8
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},
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filterEnvelope: {
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attack: 0.05,
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decay: 0.05,
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sustain: 0.7,
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release: 2,
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baseFrequency: 5000,
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octaves: -1.5
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}
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}
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}).toDestination();
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const synthNotes = ["C2", "E2", "G2", "A2",
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"C3", "D3", "E3", "G3", "A3", "B3",
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"C4", "D4", "E4", "G4", "A4", "B4", "C5"];
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Tone.Transport.bpm.value = 125;
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function move({ x, y }) {
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// use the x and y values to set the note and vibrato
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const note = synthNotes[Math.round(x * (synthNotes.length - 1))];
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synth.setNote(note);
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synth.vibratoAmount.value = y;
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}
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function triggerAttack({ x, y }) {
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// use the x and y values to set the note and vibrato
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const note = synthNotes[Math.round(x * (synthNotes.length - 1))];
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synth.triggerAttack(note);
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synth.vibratoAmount.value = y;
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}
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const drwr = drawer({
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parent: document.querySelector("#content"),
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open: false,
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});
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drwr.folder({
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name: "Drums"
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}).add({
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tone: hats,
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name: "Hats"
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}).add({
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tone: kick,
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name: "Kick"
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}).add({
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tone: snare,
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name: "Snare"
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}).add({
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tone: drumCompress,
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name: "Compressor"
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}).add({
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tone: distortion,
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name: "Distortion"
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});
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drwr.folder({
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name: "Synths"
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}).add({
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tone: bass,
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name: "Bass"
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}).add({
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tone: synth,
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name: "Synth"
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});
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document.querySelector("tone-slider-pad").addEventListener("move", e => move(e.detail));
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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());
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document.querySelector("tone-play-toggle").addEventListener("stop", () => Tone.Transport.stop());
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</script>
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</body>
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</html>
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