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Adds the hymn of joy melody #1

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93 changes: 91 additions & 2 deletions index.html
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Original file line number Diff line number Diff line change
Expand Up @@ -75,8 +75,10 @@ <h1>Atril Sonoro Pentatónico</h1>

<div class="key" onclick="playCScaleChords()">play C Major Scale (Acordes)</div>
<div class="key" onclick="playDScaleChords()">play D Major Scale (Acordes)</div>



<hr >
<div class="key" onclick="playHymnOfJoy()">playHymnOfJoy</div>
<div class="key" onclick="playHymnOfJoyWithMelody()">playHymnOfJoyWithMelody</div>


<script>
Expand Down Expand Up @@ -291,6 +293,93 @@ <h1>Atril Sonoro Pentatónico</h1>
playChordSequence(sequence);
document.getElementById('poetryBox').textContent = 'Escala mayor de C en acordes CEG DFA EGB FAC GBD ACE BDF CEG';
}

function playHymnOfJoy() {
const sequence = [
{ notes: ['C4', 'E4', 'G4'], duration: 0.5 }, // C – acompaña E
{ notes: ['C4', 'E4', 'G4'], duration: 0.5 }, // C
{ notes: ['F4', 'A4', 'C5'], duration: 0.5 }, // F – acompaña F
{ notes: ['G4', 'B4', 'D5'], duration: 0.5 }, // G – acompaña G

{ notes: ['G4', 'B4', 'D5'], duration: 0.5 }, // G
{ notes: ['F4', 'A4', 'C5'], duration: 0.5 }, // F
{ notes: ['C4', 'E4', 'G4'], duration: 0.5 }, // C
{ notes: ['D4', 'F4', 'A4'], duration: 0.5 }, // Dm

{ notes: ['C4', 'E4', 'G4'], duration: 0.5 }, // C
{ notes: ['C4', 'E4', 'G4'], duration: 0.5 }, // C
{ notes: ['D4', 'F4', 'A4'], duration: 0.5 }, // Dm
{ notes: ['C4', 'E4', 'G4'], duration: 0.5 }, // C

{ notes: ['C4', 'E4', 'G4'], duration: 0.5 }, // C
{ notes: ['D4', 'F4', 'A4'], duration: 0.5 }, // Dm
];

playChordSequence(sequence);
document.getElementById('poetryBox').textContent = 'Himno a la Alegría – versión armónica simple';
}

function playHymnOfJoyWithMelody() {
const audioCtx = new (window.AudioContext || window.webkitAudioContext)();
let currentTime = audioCtx.currentTime;

const melody = [
'E5', 'E5', 'F5', 'G5', // E E F G
'G5', 'F5', 'E5', 'D5', // G F E D
'C5', 'C5', 'D5', 'E5', // C C D E
'E5', 'D5', 'D5' // E D D
];

const chords = [
['C4', 'E4', 'G4'],
['C4', 'E4', 'G4'],
['F4', 'A4', 'C5'],
['G4', 'B4', 'D5'],

['G4', 'B4', 'D5'],
['F4', 'A4', 'C5'],
['C4', 'E4', 'G4'],
['D4', 'F4', 'A4'],

['C4', 'E4', 'G4'],
['C4', 'E4', 'G4'],
['D4', 'F4', 'A4'],
['C4', 'E4', 'G4'],

['C4', 'E4', 'G4'],
['D4', 'F4', 'A4'],
];

// Recorrer melodía y acordes al mismo tiempo
for (let i = 0; i < melody.length; i++) {
const noteFreq = noteToFrequency(melody[i]);

const melodyOsc = audioCtx.createOscillator();
melodyOsc.type = 'sine';
melodyOsc.frequency.setValueAtTime(noteFreq, currentTime);
melodyOsc.connect(audioCtx.destination);
melodyOsc.start(currentTime);
melodyOsc.stop(currentTime + 0.45);

// reproducir acorde si existe (evita error en mismatch)
if (chords[i]) {
chords[i].forEach(note => {
const chordFreq = noteToFrequency(note);
const osc = audioCtx.createOscillator();
osc.type = 'triangle';
osc.frequency.setValueAtTime(chordFreq, currentTime);
osc.connect(audioCtx.destination);
osc.start(currentTime);
osc.stop(currentTime + 0.45);
});
}

currentTime += 0.5;
}

document.getElementById('poetryBox').textContent = '🎶 Himno a la Alegría (Melodía + Armonía)';
}

</script>

</body>
Expand Down