71 lines
1.9 KiB
JavaScript
71 lines
1.9 KiB
JavaScript
import { sopranoTones, altoTones, tenorTones, bassTones, evaluateHarmony } from "./js/toneGeneration.js";
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const pitchsets = [sopranoTones, altoTones, tenorTones, bassTones];
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// initialize four synth voices
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const soprano = new Tone.Synth().toDestination();
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const alto = new Tone.Synth().toDestination();
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const tenor = new Tone.Synth().toDestination();
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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) => {
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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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// initial test: generate a single, random chord
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export const fullRandomChord = () => {
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let pitches = [];
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for (let voice of pitchsets) {
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// finds a random index, excluding any which may already exist in the array
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let index;
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do {
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index = Math.floor(Math.random() * 100) % voice.length;
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} while (pitches.includes(voice[index]));
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pitches.push(voice[index]);
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console.log(voice[index]);
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}
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for (let i = 0; i < pitches.length; i++) {
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if (pitches[i] === pitches[i+1]) {
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console.log("CAUGHT");
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}
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}
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soundChord(pitches);
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evaluateHarmony(pitches);
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}
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// set up transport
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let clock = 0;
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let slowClock = 0;
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const transportStart = document.getElementById('transport-start');
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let transport;
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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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Tone.Transport.start();
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}
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