maps keys 1-7 to the notes
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parent
c469d51403
commit
5840333a20
105
basic.js
105
basic.js
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@ -31,6 +31,29 @@ function noteToHz(note) {
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window.onload = function () {
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const audioContext = new AudioContext();
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function updateOscFrequency() {
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let selectedNoteButton = document.querySelector(
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"input[name='notechoice']:checked"
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);
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console.log("note choice changed to: " + selectedNoteButton.value);
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let selectedOctaveButton = document.querySelector(
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"input[name='octavechoice']:checked"
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);
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if (selectedNoteButton && selectedOctaveButton) {
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let selectedNote = selectedNoteButton.value;
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let selectedOctave = parseFloat(selectedOctaveButton.value);
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let noteFreq = noteToHz(selectedNote);
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let freqOctaveChoice = octavehz(noteFreq, selectedOctave);
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if (osc) {
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osc.frequency.setValueAtTime(
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freqOctaveChoice,
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audioContext.currentTime
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);
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}
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}
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}
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function handleWaveformSelectionChange() {
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let selectedRadioButton = document.querySelector(
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"input[name='wavechoice']:checked"
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@ -46,41 +69,8 @@ window.onload = function () {
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}
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}
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function handleOctaveSelectionChange() {
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let selectedRadioButton = document.querySelector(
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"input[name='octavechoice']:checked"
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);
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if (selectedRadioButton) {
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selectedOctave = parseFloat(selectedRadioButton.value);
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if (osc) {
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newFreq = octavehz(currentFreq, selectedOctave);
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console.log("selected base frequency " + newFreq);
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osc.frequency.setValueAtTime(newFreq, audioContext.currentTime);
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}
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} else {
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console.log("No radio button is selected.");
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}
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}
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function handleNoteChange() {
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let selectedRadioButton = document.querySelector(
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"input[name='notechoice']:checked"
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);
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if (selectedRadioButton) {
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selectedNote = selectedRadioButton.value;
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console.log(selectedNote);
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if (osc) {
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currentFreq = noteToHz(selectedNote);
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osc.frequency.setValueAtTime(currentFreq, audioContext.currentTime);
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}
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console.log(octavehz(baseFreq, selectedOctave));
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} else {
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console.log("No radio button is selected.");
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}
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}
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document.querySelectorAll("input[name='notechoice']").forEach((rb) => {
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rb.addEventListener("change", handleNoteChange);
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rb.addEventListener("change", updateOscFrequency);
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});
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document
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@ -90,9 +80,50 @@ window.onload = function () {
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});
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document.querySelectorAll("input[name='octavechoice']").forEach((rb) => {
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rb.addEventListener("change", handleOctaveSelectionChange);
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rb.addEventListener("change", updateOscFrequency);
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});
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window.addEventListener("keydown", (event) => {
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switch (event.key) {
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case "1":
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selectNote("C");
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break;
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case "2":
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selectNote("D");
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break;
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case "3":
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selectNote("E");
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break;
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case "4":
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selectNote("F");
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break;
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case "5":
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selectNote("G");
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break;
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case "6":
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selectNote("A");
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break;
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case "7":
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selectNote("B");
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break;
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default:
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// If the key is not 1-7, do nothing
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break;
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}
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});
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function selectNote(note) {
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const radioButton = document.querySelector(
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`input[name='notechoice'][value='${note}']`
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);
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if (radioButton) {
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radioButton.checked = true;
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updateOscFrequency();
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} else {
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console.error(`Radio button for note ${note} not found`);
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}
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}
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const gainSlider = document.getElementById("gain");
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const gainDisplay = document.getElementById("gainDisplay");
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gainSlider.addEventListener("input", () => {
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@ -134,7 +165,9 @@ window.onload = function () {
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document.getElementById("arp").addEventListener("click", () => {
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const notes = ["C", "D", "E", "F", "G", "A", "B"];
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for (let i = 0; i < notes.length; i++) {
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setTimeout(2000);
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for (let j = 0; j < 1000; j++) {
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let x = 100;
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}
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console.log(notes[i]);
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osc.frequency.setValueAtTime(
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noteToHz(notes[i]),
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