mirror of
https://github.com/Tonejs/Tone.js
synced 2024-11-16 08:38:00 +00:00
78 lines
2.5 KiB
HTML
78 lines
2.5 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>Quantization</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://unpkg.com/@webcomponents/webcomponentsjs@^2/webcomponents-bundle.js"></script>
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<script src="../build/Tone.js"></script>
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<script src="./js/tonejs-ui.js"></script>
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</head>
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<body>
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<style>
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#buttons {
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display: flex;
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margin: 10px 0;
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}
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#buttons tone-button {
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flex-grow: 1;
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margin: 5px;
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}
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</style>
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<tone-example>
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<tone-explanation label="Quantization">
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Using the "@" symbol, <a href="https://github.com/Tonejs/Tone.js/wiki/Time" target="_blank">Time</a>
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expressions can be <a href="https://en.wikipedia.org/wiki/Quantization_(music)" target="_blank">quantized</a>
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(aligned to a subdivision). In this example, a note's start time is aligned to the given subdivision.
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<br><br>
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The Transport must be started
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</tone-explanation>
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<tone-content>
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<tone-transport></tone-transport>
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<div id="buttons">
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<tone-button disabled id="at8n" label="@8n"></tone-button>
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<tone-button disabled id="at4n" label="@4n"></tone-button>
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<tone-button disabled id="at2n" label="@2n"></tone-button>
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<tone-button disabled id="at1m" label="@1m"></tone-button>
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</div>
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</tone-content>
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<tone-drawer collapsed>
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<tone-synth polyphonic collapsed></tone-synth>
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</tone-drawer>
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</tone-example>
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<script type="text/javascript">
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var polySynth = new Tone.PolySynth(4, Tone.Synth).toMaster();
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//bind the interface
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document.querySelector("tone-transport").bind(Tone.Transport);
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document.querySelector("tone-transport").addEventListener("play", e => {
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//enable all of the buttons if it's playing
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Array.from(document.querySelectorAll("tone-button")).forEach(el => {
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if (e.detail){
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el.removeAttribute("disabled");
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} else {
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el.setAttribute("disabled", "");
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}
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});
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});
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document.querySelector("#at8n").addEventListener("click", e => {
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polySynth.triggerAttackRelease("B4", "8n", "@8n");
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});
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document.querySelector("#at4n").addEventListener("click", e => {
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polySynth.triggerAttackRelease("E4", "8n", "@4n");
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});
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document.querySelector("#at2n").addEventListener("click", e => {
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polySynth.triggerAttackRelease("G3", "8n", "@2n");
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});
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document.querySelector("#at1m").addEventListener("click", e => {
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polySynth.triggerAttackRelease("C2", "8n", "@1m");
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});
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</script>
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</body>
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</html>
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