Tone.js/examples/events.html
2024-05-15 15:24:20 -04:00

197 lines
4.2 KiB
HTML

<!doctype html>
<html>
<head>
<meta charset="utf-8" />
<title>Events</title>
<meta
name="viewport"
content="width=device-width, initial-scale=1, maximum-scale=1"
/>
<link
rel="icon"
type="image/png"
sizes="174x174"
href="./favicon.png"
/>
<script src="https://cdnjs.cloudflare.com/ajax/libs/webcomponentsjs/2.4.3/webcomponents-bundle.js"></script>
<link
href="https://fonts.googleapis.com/css?family=Material+Icons&display=block"
rel="stylesheet"
/>
<script src="../build/Tone.js"></script>
<script src="./js/tone-ui.js"></script>
<script src="./js/components.js"></script>
</head>
<body>
<tone-example label="Events">
<div slot="explanation">
Tone's Event classes (<a
href="https://tonejs.github.io/docs/latest/classes/ToneEvent"
>Tone.ToneEvent</a
>,
<a href="https://tonejs.github.io/docs/latest/classes/Loop"
>Tone.Loop</a
>,
<a href="https://tonejs.github.io/docs/latest/classes/Part"
>Tone.Part</a
>
and
<a href="https://tonejs.github.io/docs/latest/classes/Sequence"
>Tone.Sequence</a
>) simplify scheduling events along the Transport. Each class
abstracts away calls to
<a
href="https://tonejs.github.io/docs/latest/classes/Transport.schedule"
>Transport.schedule</a
>
or
<a
href="https://tonejs.github.io/docs/latest/classes/Transport.scheduleRepeat"
>scheduleRepeat</a
>
and lets you create precise, rhythmic events which are
startable, stoppable and loopable. (note that ToneEvent was
called
<a href="https://tonejs.github.io/docs/latest/classes/Event"
>Event</a
>
before Tone.js 14.x)
</div>
<div id="content">
<tone-play-toggle></tone-play-toggle>
</div>
</tone-example>
<script type="text/javascript">
/**
* KICK
*/
const kick = new Tone.MembraneSynth({
envelope: {
sustain: 0,
attack: 0.02,
decay: 0.8,
},
octaves: 10,
pitchDecay: 0.01,
}).toDestination();
const kickPart = new Tone.Loop((time) => {
kick.triggerAttackRelease("C2", "8n", time);
}, "2n").start(0);
/**
* SNARE
*/
const snare = new Tone.NoiseSynth({
volume: -10,
envelope: {
attack: 0.001,
decay: 0.2,
sustain: 0,
},
}).toDestination();
const snarePart = new Tone.Loop((time) => {
snare.triggerAttack(time);
}, "2n").start("4n");
/**
* PIANO
*/
const keys = new Tone.PolySynth(Tone.Synth, {
volume: -8,
oscillator: {
partials: [1, 2, 1],
},
}).toDestination();
const cChord = ["C4", "E4", "G4", "B4"];
const dChord = ["D4", "F4", "A4", "C5"];
const gChord = ["B3", "D4", "E4", "A4"];
const pianoPart = new Tone.Part(
(time, chord) => {
keys.triggerAttackRelease(chord, "8n", time);
},
[
["0:0:2", cChord],
["0:1", cChord],
["0:1:3", dChord],
["0:2:2", cChord],
["0:3", cChord],
["0:3:2", gChord],
]
).start("2m");
pianoPart.loop = true;
pianoPart.loopEnd = "1m";
pianoPart.humanize = true;
/**
* BASS
*/
const bass = new Tone.MonoSynth({
volume: -10,
envelope: {
attack: 0.1,
decay: 0.3,
release: 2,
},
filterEnvelope: {
attack: 0.001,
decay: 0.01,
sustain: 0.5,
baseFrequency: 200,
octaves: 2.6,
},
}).toDestination();
const bassPart = new Tone.Sequence(
(time, note) => {
bass.triggerAttackRelease(note, "16n", time);
},
["C2", ["C3", ["C3", "D2"]], "E2", ["D2", "A1"]],
"4n"
).start(0);
bassPart.probability = 0.9;
// set the transport
Tone.Transport.bpm.value = 90;
drawer()
.add({
name: "Kick",
tone: kick,
open: false,
})
.add({
name: "Snare",
tone: snare,
open: false,
})
.add({
name: "Bass",
tone: bass,
open: false,
})
.add({
name: "Keys",
tone: keys,
open: false,
});
// bind the interface
document
.querySelector("tone-play-toggle")
.addEventListener("start", (e) => Tone.Transport.start());
document
.querySelector("tone-play-toggle")
.addEventListener("stop", (e) => Tone.Transport.stop());
</script>
</body>
</html>