2024-05-15 19:24:20 +00:00
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<!doctype html>
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2014-03-15 03:17:18 +00:00
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<html>
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2024-05-15 19:24:20 +00:00
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<head>
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<meta charset="utf-8" />
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<title>Envelope</title>
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2014-03-15 03:17:18 +00:00
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2024-05-15 19:24:20 +00:00
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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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2014-08-26 03:47:07 +00:00
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2024-05-15 19:24:20 +00:00
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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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</head>
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<body>
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<style type="text/css">
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img {
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display: block;
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margin: 5px auto;
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width: 300px !important;
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}
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2015-06-26 05:23:05 +00:00
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2024-05-15 19:24:20 +00:00
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tone-trigger {
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margin-bottom: 10px;
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}
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</style>
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<tone-example label="Envelope">
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<div slot="explanation">
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Envelopes ramp amplitude, frequency or any other parameter over
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time.
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<a href="https://tonejs.github.io/docs/latest/classes/Envelope"
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>Tone.Envelope</a
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>
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and the classes that extend it implement an
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<a
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href="https://en.wikipedia.org/wiki/Synthesizer#ADSR_envelope"
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target="_blank"
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>ADSR</a
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>
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envelope type which splits its ramp into four distinct phases:
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Attack, Decay, Sustain, Release.
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<img
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src="https://upload.wikimedia.org/wikipedia/commons/e/ea/ADSR_parameter.svg"
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/>
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</div>
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2019-01-09 01:21:29 +00:00
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2024-05-15 19:24:20 +00:00
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<div id="content">
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<tone-momentary-button></tone-momentary-button>
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</div>
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</tone-example>
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2014-08-26 03:47:07 +00:00
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2024-05-15 19:24:20 +00:00
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<script type="text/javascript">
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const env = new Tone.AmplitudeEnvelope({
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attack: 0.11,
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decay: 0.21,
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sustain: 0.5,
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release: 1.2,
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}).toDestination();
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2019-01-09 01:21:29 +00:00
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2024-05-15 19:24:20 +00:00
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// create an oscillator and connect it to the envelope
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const osc = new Tone.Oscillator({
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partials: [3, 2, 1],
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type: "custom",
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frequency: "C#4",
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volume: -8,
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})
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.connect(env)
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.start();
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2014-08-26 03:47:07 +00:00
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2024-05-15 19:24:20 +00:00
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// bind the interface
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drawer()
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.add({
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tone: env,
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name: "Envelope",
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})
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.add({
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tone: osc,
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});
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2014-08-28 04:39:17 +00:00
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2024-05-15 19:24:20 +00:00
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document
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.querySelector("tone-momentary-button")
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.addEventListener("down", (e) => env.triggerAttack());
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document
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.querySelector("tone-momentary-button")
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.addEventListener("up", (e) => env.triggerRelease());
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</script>
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</body>
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2017-03-18 16:35:37 +00:00
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</html>
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