mirror of
https://github.com/Tonejs/Tone.js
synced 2024-12-26 03:23:11 +00:00
139 lines
3.3 KiB
HTML
139 lines
3.3 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>Offline</title>
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<meta
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name="viewport"
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content="width=device-width, initial-scale=1, maximum-scale=1"
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/>
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<link
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rel="icon"
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type="image/png"
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sizes="174x174"
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href="./favicon.png"
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/>
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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
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href="https://fonts.googleapis.com/css?family=Material+Icons&display=block"
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rel="stylesheet"
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/>
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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-button {
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margin-bottom: 10px;
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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 label="Offline Rendering">
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<tone-loader></tone-loader>
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<div slot="explanation">
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Tone.Offline renders a chunk of Tone.js code into an
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AudioBuffer. An offline instance of Tone.Transport is passed
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into the callback which can be used to schedule events. It may
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take a moment to render the sound.
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<br /><br />
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<a
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href="https://tonejs.github.io/docs/latest/functions/Offline.html"
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>Tone.Offline</a
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>
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docs.
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</div>
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<div id="content">
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<tone-play-toggle disabled></tone-play-toggle>
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</div>
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</tone-example>
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<script type="text/javascript">
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// play the buffer with a Tone.Player when it's been generated
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const player = new Tone.Player().toDestination();
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const renderingPromise = Tone.Offline(({ transport }) => {
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const reverb = new Tone.Reverb().toDestination();
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const pannerA = new Tone.Panner(-1).connect(reverb);
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const synthA = new Tone.Synth({
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envelope: {
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attack: 0.01,
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decay: 5,
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sustain: 0,
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},
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oscillator: {
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type: "sawtooth4",
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},
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}).connect(pannerA);
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const seqA = new Tone.Sequence(
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(time, note) => {
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synthA.triggerAttack(note, time);
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},
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["A4", "G4", "G#4", "F#4", "E4"],
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"8n"
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).start(0);
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seqA.loop = false;
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const pannerB = new Tone.Panner(1).connect(reverb);
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const synthB = new Tone.Synth({
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envelope: {
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attack: 0.001,
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decay: 3,
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sustain: 0,
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},
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oscillator: {
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type: "square8",
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},
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}).connect(pannerB);
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const seqB = new Tone.Sequence(
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(time, note) => {
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synthB.triggerAttack(note, time);
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},
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["G#4", "A4", "G4", "F4", "C4"],
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"8n"
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).start("16n");
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seqB.loop = false;
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const bass = new Tone.MonoSynth({
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envelope: {
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attack: 0.01,
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decay: 3,
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sustain: 0.1,
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},
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}).toDestination();
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const bassSeq = new Tone.Sequence(
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(time, note) => {
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bass.triggerAttackRelease(note, "1n", time);
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},
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["C2", "C2", "F1", "F1"],
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"4n"
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).start(0);
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bassSeq.loop = false;
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transport.bpm.value = 150;
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transport.start();
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// return a promise
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return reverb.ready;
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}, 7);
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// set the buffer when it's done
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renderingPromise.then((buffer) => (player.buffer = buffer));
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renderingPromise.then(
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() =>
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(document.querySelector("tone-play-toggle").disabled =
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false)
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);
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document
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.querySelector("tone-play-toggle")
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.addEventListener("start", () => player.start());
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document
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.querySelector("tone-play-toggle")
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.addEventListener("stop", () => player.stop());
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</script>
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</body>
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</html>
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