mirror of
https://github.com/Tonejs/Tone.js
synced 2024-12-26 03:23:11 +00:00
57 lines
2 KiB
HTML
57 lines
2 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>Step Sequencer</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-transport {
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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="Step Sequencer">
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<tone-loader></tone-loader>
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<div slot="explanation">
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<a href="https://tonejs.github.io/docs/Transport">Tone.Transport</a>
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is the application-wide timekeeper. It's clock source enables sample-accurate scheduling as well as tempo-curves and automation. This example uses Tone.Sequence to invoke a callback every 16th note.
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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 label="tempo" units="bpm" min="60" max="240" value="120"></tone-slider>
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<tone-step-sequencer></tone-step-sequencer>
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</div>
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</tone-example>
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<script type="text/javascript">
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const keys = new Tone.Players({
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urls: {
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0: "A1.mp3",
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1: "Cs2.mp3",
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2: "E2.mp3",
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3: "Fs2.mp3",
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},
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fadeOut: "64n",
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baseUrl: "https://tonejs.github.io/audio/casio/"
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}).toDestination();
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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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document.querySelector("tone-slider").addEventListener("input", (e) => Tone.Transport.bpm.value = parseFloat(e.target.value));
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document.querySelector("tone-step-sequencer").addEventListener("trigger", ({ detail }) => {
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keys.player(detail.row).start(detail.time, 0, "16t");
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});
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</script>
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</body>
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</html>
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