2024-05-15 19:24:20 +00:00
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<!doctype html>
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2015-12-05 18:11:20 +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>Events</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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</head>
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<body>
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<tone-example label="Events">
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<div slot="explanation">
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Tone's Event classes (<a
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href="https://tonejs.github.io/docs/latest/classes/ToneEvent"
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>Tone.ToneEvent</a
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>,
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<a href="https://tonejs.github.io/docs/latest/classes/Loop"
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>Tone.Loop</a
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>,
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<a href="https://tonejs.github.io/docs/latest/classes/Part"
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>Tone.Part</a
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>
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and
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<a href="https://tonejs.github.io/docs/latest/classes/Sequence"
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>Tone.Sequence</a
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>) simplify scheduling events along the Transport. Each class
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abstracts away calls to
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<a
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href="https://tonejs.github.io/docs/latest/classes/Transport.schedule"
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>Transport.schedule</a
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>
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or
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<a
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href="https://tonejs.github.io/docs/latest/classes/Transport.scheduleRepeat"
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>scheduleRepeat</a
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>
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and lets you create precise, rhythmic events which are
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startable, stoppable and loopable. (note that ToneEvent was
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called
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<a href="https://tonejs.github.io/docs/latest/classes/Event"
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>Event</a
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>
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before Tone.js 14.x)
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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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</div>
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</tone-example>
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<script type="text/javascript">
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/**
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* KICK
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*/
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const kick = new Tone.MembraneSynth({
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envelope: {
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sustain: 0,
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attack: 0.02,
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decay: 0.8,
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},
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octaves: 10,
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pitchDecay: 0.01,
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}).toDestination();
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const kickPart = new Tone.Loop((time) => {
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kick.triggerAttackRelease("C2", "8n", time);
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}, "2n").start(0);
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/**
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* SNARE
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*/
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const snare = new Tone.NoiseSynth({
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volume: -10,
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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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}).toDestination();
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const snarePart = new Tone.Loop((time) => {
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snare.triggerAttack(time);
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}, "2n").start("4n");
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/**
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* PIANO
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*/
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const keys = new Tone.PolySynth(Tone.Synth, {
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volume: -8,
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oscillator: {
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partials: [1, 2, 1],
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},
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}).toDestination();
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const cChord = ["C4", "E4", "G4", "B4"];
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const dChord = ["D4", "F4", "A4", "C5"];
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const gChord = ["B3", "D4", "E4", "A4"];
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const pianoPart = new Tone.Part(
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(time, chord) => {
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keys.triggerAttackRelease(chord, "8n", time);
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},
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[
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["0:0:2", cChord],
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["0:1", cChord],
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["0:1:3", dChord],
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["0:2:2", cChord],
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["0:3", cChord],
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["0:3:2", gChord],
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]
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).start("2m");
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pianoPart.loop = true;
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pianoPart.loopEnd = "1m";
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pianoPart.humanize = true;
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/**
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* BASS
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*/
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const bass = new Tone.MonoSynth({
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volume: -10,
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envelope: {
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attack: 0.1,
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decay: 0.3,
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release: 2,
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},
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filterEnvelope: {
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attack: 0.001,
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decay: 0.01,
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sustain: 0.5,
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baseFrequency: 200,
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octaves: 2.6,
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},
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}).toDestination();
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const bassPart = new Tone.Sequence(
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(time, note) => {
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bass.triggerAttackRelease(note, "16n", time);
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},
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["C2", ["C3", ["C3", "D2"]], "E2", ["D2", "A1"]],
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"4n"
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).start(0);
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bassPart.probability = 0.9;
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// set the transport
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Tone.Transport.bpm.value = 90;
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drawer()
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.add({
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name: "Kick",
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tone: kick,
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open: false,
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})
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.add({
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name: "Snare",
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tone: snare,
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open: false,
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})
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.add({
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name: "Bass",
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tone: bass,
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open: false,
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})
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.add({
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name: "Keys",
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tone: keys,
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open: false,
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});
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// bind the interface
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document
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.querySelector("tone-play-toggle")
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.addEventListener("start", (e) => Tone.Transport.start());
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document
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.querySelector("tone-play-toggle")
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.addEventListener("stop", (e) => Tone.Transport.stop());
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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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