42 lines
1.2 KiB
TypeScript
42 lines
1.2 KiB
TypeScript
// initialize four synth voices
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// @ts-expect-error: namespace, Tone, for all of the following "expect-error calls"
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const soprano = new Tone.Synth().toDestination();
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// @ts-expect-error
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const alto = new Tone.Synth().toDestination();
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// @ts-expect-error
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const tenor = new Tone.Synth().toDestination();
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// @ts-expect-error
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const bass = new Tone.Synth().toDestination();
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// test function for audio is armed
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export const audioTest = () => {
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soprano.triggerAttackRelease("C5", "16n");
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alto.triggerAttackRelease("F4", "16n");
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tenor.triggerAttackRelease("E4", "16n");
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bass.triggerAttackRelease("G3", "16n");
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}
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// allows a chord to be generated with input from another function
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export const soundChord = (pitches: string[]) => {
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const [s,a,t,b] = pitches;
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soprano.triggerAttackRelease(s, "8n");
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alto.triggerAttackRelease(a, "8n");
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tenor.triggerAttackRelease(t, "8n");
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bass.triggerAttackRelease(b, "8n");
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}
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// set up transport
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const transportStart = document.getElementById('transport-start');
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// @ts-expect-error
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const loop = new Tone.Loop((time) => {
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audioTest();
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}, "8n").start(0);
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loop.probability = 0.8;
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transportStart.onclick = () => {
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// @ts-expect-error
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Tone.Transport.start();
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}
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