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Update index.html
Browse files- index.html +352 -248
index.html
CHANGED
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<!DOCTYPE html>
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<html lang="
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<head>
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<meta charset="UTF-8">
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<meta name="viewport" content="width=device-width, initial-scale=1.0, user-scalable=no">
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<title>
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<script src="https://cdnjs.cloudflare.com/ajax/libs/tone/14.8.49/Tone.js"></script>
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<style>
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body {
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margin: 0;
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height: 100vh;
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background-color: #
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display: flex;
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flex-direction: column;
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justify-content: flex-end;
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align-items: center;
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overflow: hidden;
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font-family:
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}
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.piano-container {
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width:
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max-width:
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height:
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min-height:
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display: flex;
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justify-content: center;
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align-items: flex-end;
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position: relative;
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padding-bottom:
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}
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.piano {
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display: flex;
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position: relative;
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background: linear-gradient(to bottom, #
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padding:
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border-radius:
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box-shadow: 0 0
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0 0
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border:
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border-bottom: none;
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height: 100%;
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}
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.key {
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cursor: pointer;
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user-select: none;
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-webkit-tap-highlight-color: transparent;
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transition: all 0.
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position: relative;
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}
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.white-key {
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width:
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height: 100%;
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background: linear-gradient(to bottom, #
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border: 1px solid #
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border-
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border-
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box-shadow: 0
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z-index: 1;
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}
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.white-key:
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.black-key {
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width:
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height: 60%;
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background: linear-gradient(to bottom, #
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border: 1px solid #
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border-bottom:
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border-radius: 0 0
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position: absolute;
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z-index: 2;
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box-shadow: 0 2px
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}
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.white-key.active {
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background: linear-gradient(to bottom, #
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transform: translateY(
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border-bottom-width: 3px;
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box-shadow: 0 0
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inset 0 -1px 1px rgba(255,255,255,0.
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}
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.black-key.active {
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background: linear-gradient(to bottom, #
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transform: translateY(
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border-bottom-width: 3px;
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box-shadow: 0 0
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inset 0 -1px 1px rgba(
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}
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.key-label {
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position: absolute;
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bottom:
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left: 50%;
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transform: translateX(-50%);
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font-size:
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color: #
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pointer-events: none;
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}
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.black-key .key-label { color: #
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#note-fall-area {
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width: 100%;
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height: calc(100vh -
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position: absolute;
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top: 0;
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left: 50%;
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transform: translateX(-50%);
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pointer-events: none; /* ๋
ธํธ๊ฐ ๋ง์ฐ์ค/ํฐ์น ์ด๋ฒคํธ ๊ฐ๋ก์ฑ์ง ์๋๋ก */
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}
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.note-bar {
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position: absolute;
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box-sizing: border-box;
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border-radius:
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opacity: 0.
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background: linear-gradient(to bottom,
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box-shadow: 0 0
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border: 1px solid rgba(255, 255, 255, 0.
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}
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#hit-line {
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position: absolute;
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bottom: calc(
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left: 50%;
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transform: translateX(-50%);
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width:
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max-width:
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height:
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background: linear-gradient(to right, transparent, rgba(255,
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border-radius:
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z-index: 3;
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box-shadow: 0 0
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}
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.particle {
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position: absolute;
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width:
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height:
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background-color: var(--particle-color, white);
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border-radius: 50%;
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opacity: 1;
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animation: fadeOutAndRise 0.5s ease-out forwards;
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}
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@keyframes fadeOutAndRise {
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to {
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transform: translateY(-30px) scale(0.5);
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opacity: 0;
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}
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}
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#controls {
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position: absolute;
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top: 20px;
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left: 20px;
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z-index: 10;
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}
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#controls button {
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padding: 8px 12px;
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font-size: 14px;
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cursor: pointer;
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background-color: #333;
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color: white;
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border: 1px solid #555;
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border-radius: 4px;
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}
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}
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</style>
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</head>
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<body>
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<div id="
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<div id="hit-line"></div>
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<div class="piano-container">
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<div class="piano" id="piano">
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<!--
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</div>
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</div>
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<div id="controls">
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<button id="playButton">Play Sample</button>
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</div>
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<script>
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const pianoElement = document.getElementById('piano');
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const noteFallArea = document.getElementById('note-fall-area');
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const
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// ํผ์๋
ธ Synth ์ด๊ธฐํ (Tone.js)
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const synth = new Tone.PolySynth(Tone.Synth, {
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oscillator: { type: "
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envelope: {
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attack: 0.005,
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decay: 0.
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sustain: 0.
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release:
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},
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volume: -
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}).toDestination();
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const
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const
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const
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const
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const
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// ๊ฑด๋ฐ ์์ฑ
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for (let octave = baseOctave; octave < baseOctave + numOctaves; octave++) {
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notesWithSharps.forEach((noteName, index) => {
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const keyElement = document.createElement('div');
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keyElement.classList.add('key');
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const
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keyElement.dataset.note =
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//
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//
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//
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//
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if (
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keyElement.classList.add('black-key');
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//
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let offsetMultiplier = totalWhiteKeys - 0.35; // ๊ฒ์ ๊ฑด๋ฐ์ ํฐ ๊ฑด๋ฐ ์ฌ์ด์ ์์น์ํค๊ธฐ ์ํ ์กฐ์ ๊ฐ
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keyElement.style.left = (offsetMultiplier * 41) + 'px'; // 40(๋๋น) + 1(๋ง์ง)
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keyElement.style.top = '0px';
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} else {
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keyElement.classList.add('white-key');
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}
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pianoElement.appendChild(keyElement);
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if (event.type === 'touchstart') event.preventDefault();
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keyElement.classList.add('active');
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const randomHue = Math.random() * 360;
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keyElement.style.setProperty('--key-glow-color', `hsla(${randomHue},
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synth.
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};
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const
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if (event
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keyElement.classList.remove('active');
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};
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keyElement.addEventListener('mousedown',
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keyElement.addEventListener('mouseup',
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keyElement.addEventListener('mouseleave',
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keyElement.addEventListener('
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});
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}
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//
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pianoElement.appendChild(lastCKey);
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const lastCNoteName = 'C' + lastCOctave;
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lastCKey.addEventListener('mousedown', (e) => { e.preventDefault(); lastCKey.classList.add('active'); synth.triggerAttackRelease(lastCNoteName, "8n"); createParticles(lastCKey); });
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lastCKey.addEventListener('mouseup', (e) => { e.preventDefault(); lastCKey.classList.remove('active'); });
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lastCKey.addEventListener('mouseleave', () => lastCKey.classList.remove('active'));
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lastCKey.addEventListener('touchstart', (e) => { e.preventDefault(); lastCKey.classList.add('active'); synth.triggerAttackRelease(lastCNoteName, "8n"); createParticles(lastCKey);}, { passive: false });
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lastCKey.addEventListener('touchend', (e) => { e.preventDefault(); lastCKey.classList.remove('active'); });
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lastCKey.addEventListener('touchcancel', () => lastCKey.classList.remove('active'));
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// ํํฐํด ์์ฑ ํจ์
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function createParticles(keyElement, color = 'white') {
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const rect = keyElement.getBoundingClientRect();
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const pianoRect = pianoElement.getBoundingClientRect();
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for (let i = 0; i < 10; i++) { // 10๊ฐ์ ํํฐํด ์์ฑ
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const particle = document.createElement('div');
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particle.classList.add('particle');
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particle.style.setProperty('--particle-color', color);
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//
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}
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}
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{ time: 1, note: 'G4', duration: 0.4, color: [255, 255, 0] },
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{ time: 1.5, note: 'G4', duration: 0.4, color: [255, 255, 0] },
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{ time: 2, note: 'A4', duration: 0.4, color: [255, 0, 255] },
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{ time: 2.5, note: 'A4', duration: 0.4, color: [255, 0, 255] },
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{ time: 3, note: 'G4', duration: 0.8, color: [255, 255, 0] },
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{ time: 4, note: 'F4', duration: 0.4, color: [0, 255, 255] },
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{ time: 4.5, note: 'F4', duration: 0.4, color: [0, 255, 255] },
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{ time: 5, note: 'E4', duration: 0.4, color: [255, 165, 0] },
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{ time: 5.5, note: 'E4', duration: 0.4, color: [255, 165, 0] },
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{ time: 6, note: 'D4', duration: 0.4, color: [0, 0, 255] },
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{ time: 6.5, note: 'D4', duration: 0.4, color: [0, 0, 255] },
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{ time: 7, note: 'C4', duration: 0.8, color: [0, 255, 0] },
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];
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function playSampleSong() {
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if (Tone.Transport.state === 'started') {
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Tone.Transport.stop();
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// ์ด๋ฏธ ์์ฑ๋ ๋
ธํธ๋ค ์ ๊ฑฐ
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document.querySelectorAll('.note-bar').forEach(n => n.remove());
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playButton.textContent = 'Play Sample';
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return;
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}
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playButton.textContent = 'Stop';
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Tone.Transport.bpm.value = 100; // ๊ณก์ BPM ์ค์
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if (targetKeyElement) {
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const keyRect = targetKeyElement.getBoundingClientRect();
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const pianoRect = pianoElement.getBoundingClientRect();
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noteElement.style.width =
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noteElement.style.left = (keyRect.left - pianoRect.left + 1) + 'px';
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noteElement.style.height = (noteData.duration * 100) + 'px'; // ๊ธธ์ด์ ๋ฐ๋ผ ๋์ด ์กฐ์ (์์์ ๋น์จ)
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//
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noteElement.style.top = `-${noteElement.style.height}`; // ํ๋ฉด ์์์ ์์
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noteFallArea.appendChild(noteElement);
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|
|
|
|
|
|
| 367 |
noteElement.animate([
|
| 368 |
-
{ transform: `translateY(0px)` },
|
| 369 |
-
{ transform: `translateY(${
|
| 370 |
], {
|
| 371 |
-
duration:
|
| 372 |
easing: 'linear'
|
| 373 |
});
|
| 374 |
-
|
| 375 |
-
//
|
| 376 |
Tone.Transport.scheduleOnce(hitTime => {
|
| 377 |
-
synth.triggerAttackRelease(noteData.note, noteData.duration, hitTime);
|
| 378 |
targetKeyElement.classList.add('active');
|
| 379 |
-
targetKeyElement.style.setProperty('--key-glow-color', `rgba(${r}, ${g}, ${b}, 0.
|
| 380 |
-
|
| 381 |
-
|
| 382 |
-
// ๋
ธํธ ์ ๊ฑฐ ๋ฐ ๊ฑด๋ฐ ๋นํ์ฑํ ํ์ด๋จธ
|
| 383 |
setTimeout(() => {
|
| 384 |
targetKeyElement.classList.remove('active');
|
| 385 |
-
}, noteData.duration * 1000
|
| 386 |
|
| 387 |
-
// ๋
ธํธ ๋ฐ ์ ๊ฑฐ (์ ๋๋ฉ์ด์
๋๋ ํ)
|
| 388 |
setTimeout(() => {
|
| 389 |
-
if (noteElement.parentNode)
|
| 390 |
-
|
| 391 |
-
|
| 392 |
-
}, fallDurationSeconds * 1000);
|
| 393 |
-
|
| 394 |
-
}, time + fallDurationSeconds); // ๋
ธํธ๊ฐ ๋จ์ด์ง๋ ์๊ฐ๋งํผ ๋ค์ ์๋ฆฌ ์ฌ์
|
| 395 |
}
|
| 396 |
-
}, noteData.time);
|
| 397 |
});
|
| 398 |
-
|
| 399 |
-
Tone.Transport.start();
|
| 400 |
}
|
| 401 |
|
| 402 |
-
|
| 403 |
-
|
| 404 |
-
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| 405 |
});
|
| 406 |
|
|
|
|
| 407 |
</script>
|
| 408 |
</body>
|
| 409 |
</html>
|
|
|
|
| 1 |
<!DOCTYPE html>
|
| 2 |
+
<html lang="en">
|
| 3 |
<head>
|
| 4 |
<meta charset="UTF-8">
|
| 5 |
<meta name="viewport" content="width=device-width, initial-scale=1.0, user-scalable=no">
|
| 6 |
+
<title>Advanced Piano Visualizer</title>
|
| 7 |
<script src="https://cdnjs.cloudflare.com/ajax/libs/tone/14.8.49/Tone.js"></script>
|
| 8 |
+
<script src="https://cdn.jsdelivr.net/npm/[email protected]/build/MidiConvert.min.js"></script>
|
| 9 |
<style>
|
| 10 |
body {
|
| 11 |
margin: 0;
|
| 12 |
height: 100vh;
|
| 13 |
+
background-color: #080808;
|
| 14 |
display: flex;
|
| 15 |
flex-direction: column;
|
| 16 |
justify-content: flex-end;
|
| 17 |
align-items: center;
|
| 18 |
overflow: hidden;
|
| 19 |
+
font-family: Arial, sans-serif;
|
| 20 |
+
}
|
| 21 |
+
|
| 22 |
+
#controls {
|
| 23 |
+
position: absolute;
|
| 24 |
+
top: 10px;
|
| 25 |
+
left: 10px;
|
| 26 |
+
z-index: 100;
|
| 27 |
+
background-color: rgba(30, 30, 30, 0.8);
|
| 28 |
+
padding: 10px;
|
| 29 |
+
border-radius: 5px;
|
| 30 |
+
box-shadow: 0 2px 5px rgba(0,0,0,0.3);
|
| 31 |
+
}
|
| 32 |
+
|
| 33 |
+
#controls input[type="text"] {
|
| 34 |
+
padding: 8px;
|
| 35 |
+
margin-right: 5px;
|
| 36 |
+
border: 1px solid #555;
|
| 37 |
+
background-color: #222;
|
| 38 |
+
color: #eee;
|
| 39 |
+
border-radius: 3px;
|
| 40 |
+
width: 250px;
|
| 41 |
+
}
|
| 42 |
+
|
| 43 |
+
#controls button {
|
| 44 |
+
padding: 8px 15px;
|
| 45 |
+
font-size: 14px;
|
| 46 |
+
cursor: pointer;
|
| 47 |
+
background-color: #4CAF50;
|
| 48 |
+
color: white;
|
| 49 |
+
border: none;
|
| 50 |
+
border-radius: 3px;
|
| 51 |
+
transition: background-color 0.2s;
|
| 52 |
+
}
|
| 53 |
+
#controls button:hover {
|
| 54 |
+
background-color: #45a049;
|
| 55 |
+
}
|
| 56 |
+
#controls button:disabled {
|
| 57 |
+
background-color: #555;
|
| 58 |
+
cursor: not-allowed;
|
| 59 |
+
}
|
| 60 |
+
#loading-indicator {
|
| 61 |
+
color: #aaa;
|
| 62 |
+
font-size: 12px;
|
| 63 |
+
margin-left: 10px;
|
| 64 |
+
display: none;
|
| 65 |
}
|
| 66 |
|
| 67 |
.piano-container {
|
| 68 |
+
width: 98vw;
|
| 69 |
+
max-width: 1600px; /* Increased max-width for more keys */
|
| 70 |
+
height: 28vh;
|
| 71 |
+
min-height: 190px;
|
| 72 |
display: flex;
|
| 73 |
justify-content: center;
|
| 74 |
align-items: flex-end;
|
| 75 |
+
position: relative;
|
| 76 |
+
padding-bottom: 5px; /* Reduced padding */
|
| 77 |
}
|
| 78 |
|
| 79 |
.piano {
|
| 80 |
display: flex;
|
| 81 |
position: relative;
|
| 82 |
+
background: linear-gradient(to bottom, #202020, #101010);
|
| 83 |
+
padding: 10px 10px 0 10px;
|
| 84 |
+
border-radius: 10px 10px 0 0;
|
| 85 |
+
box-shadow: 0 0 35px rgba(150, 150, 255, 0.25),
|
| 86 |
+
0 0 55px rgba(255, 150, 200, 0.15);
|
| 87 |
+
border: 2px solid #303030;
|
| 88 |
border-bottom: none;
|
| 89 |
+
height: 100%;
|
| 90 |
}
|
| 91 |
|
| 92 |
.key {
|
|
|
|
| 94 |
cursor: pointer;
|
| 95 |
user-select: none;
|
| 96 |
-webkit-tap-highlight-color: transparent;
|
| 97 |
+
transition: all 0.03s ease-out; /* Faster transition */
|
| 98 |
+
position: relative;
|
| 99 |
}
|
| 100 |
|
| 101 |
.white-key {
|
| 102 |
+
width: 32px; /* Adjusted for more keys */
|
| 103 |
height: 100%;
|
| 104 |
+
background: linear-gradient(to bottom, #ffffff, #e0e0e0);
|
| 105 |
+
border-left: 1px solid #b0b0b0;
|
| 106 |
+
border-right: 1px solid #b0b0b0;
|
| 107 |
+
border-bottom: 5px solid #a0a0a0;
|
| 108 |
+
border-radius: 0 0 5px 5px;
|
| 109 |
+
box-shadow: 0 2px 4px rgba(0,0,0,0.2), inset 0 -2px 2px rgba(255,255,255,0.7);
|
| 110 |
z-index: 1;
|
| 111 |
+
margin-right: -1px; /* Overlap borders */
|
| 112 |
}
|
| 113 |
+
.white-key:first-child { border-left: 1px solid #888; }
|
| 114 |
+
.white-key:last-child { border-right: 1px solid #888; margin-right: 0;}
|
| 115 |
+
|
| 116 |
|
| 117 |
.black-key {
|
| 118 |
+
width: 20px; /* Adjusted for more keys */
|
| 119 |
+
height: 60%;
|
| 120 |
+
background: linear-gradient(to bottom, #3a3a3a, #1a1a1a);
|
| 121 |
+
border: 1px solid #050505;
|
| 122 |
+
border-bottom: 4px solid #202020;
|
| 123 |
+
border-radius: 0 0 3px 3px;
|
| 124 |
position: absolute;
|
| 125 |
z-index: 2;
|
| 126 |
+
box-shadow: -1px 0 3px rgba(0,0,0,0.3), 1px 0 3px rgba(0,0,0,0.3), 0 2px 3px rgba(0,0,0,0.4), inset 0 -2px 2px rgba(80,80,80,0.3);
|
| 127 |
}
|
| 128 |
|
| 129 |
.white-key.active {
|
| 130 |
+
background: linear-gradient(to bottom, #d8d8d8, #c8c8c8);
|
| 131 |
+
transform: translateY(2px);
|
| 132 |
border-bottom-width: 3px;
|
| 133 |
+
box-shadow: 0 0 15px 4px var(--key-glow-color, rgba(255, 0, 255, 0.7)), /* Magenta glow */
|
| 134 |
+
inset 0 -1px 1px rgba(255,255,255,0.3);
|
| 135 |
}
|
| 136 |
|
| 137 |
.black-key.active {
|
| 138 |
+
background: linear-gradient(to bottom, #2a2a2a, #0a0a0a);
|
| 139 |
+
transform: translateY(1px);
|
| 140 |
border-bottom-width: 3px;
|
| 141 |
+
box-shadow: 0 0 15px 4px var(--key-glow-color, rgba(255, 0, 255, 0.7)), /* Magenta glow */
|
| 142 |
+
inset 0 -1px 1px rgba(80,80,80,0.1);
|
| 143 |
}
|
| 144 |
|
| 145 |
+
.key-label { /* Optional: for displaying note names */
|
| 146 |
position: absolute;
|
| 147 |
+
bottom: 5px;
|
| 148 |
left: 50%;
|
| 149 |
transform: translateX(-50%);
|
| 150 |
+
font-size: 9px;
|
| 151 |
+
color: #555;
|
| 152 |
+
pointer-events: none;
|
| 153 |
}
|
| 154 |
+
.black-key .key-label { color: #ccc; font-size: 8px; }
|
| 155 |
|
| 156 |
#note-fall-area {
|
| 157 |
width: 100%;
|
| 158 |
+
height: calc(100vh - 28vh - 25px); /* Adjusted height */
|
| 159 |
position: absolute;
|
| 160 |
top: 0;
|
| 161 |
left: 50%;
|
| 162 |
+
transform: translateX(-50%);
|
| 163 |
+
pointer-events: none;
|
|
|
|
| 164 |
}
|
| 165 |
|
| 166 |
.note-bar {
|
| 167 |
position: absolute;
|
| 168 |
box-sizing: border-box;
|
| 169 |
+
border-radius: 2px;
|
| 170 |
+
opacity: 0.85;
|
| 171 |
+
background: var(--note-gradient, linear-gradient(to bottom, #00ddff, #0088aa)); /* Default blueish */
|
| 172 |
+
box-shadow: 0 0 8px var(--note-glow, #00ddff);
|
| 173 |
+
border: 1px solid rgba(255, 255, 255, 0.2);
|
| 174 |
}
|
| 175 |
|
| 176 |
#hit-line {
|
| 177 |
position: absolute;
|
| 178 |
+
bottom: calc(28vh + 5px); /* Align with piano container bottom */
|
| 179 |
left: 50%;
|
| 180 |
transform: translateX(-50%);
|
| 181 |
+
width: 98vw;
|
| 182 |
+
max-width: 1600px;
|
| 183 |
+
height: 3px;
|
| 184 |
+
background: linear-gradient(to right, transparent, rgba(255, 0, 255, 0.6), transparent); /* Magenta hit line */
|
| 185 |
+
border-radius: 1.5px;
|
| 186 |
z-index: 3;
|
| 187 |
+
box-shadow: 0 0 12px rgba(255, 0, 255, 0.5);
|
| 188 |
}
|
| 189 |
|
| 190 |
+
.particle-container {
|
| 191 |
+
position: absolute;
|
| 192 |
+
width: 100%;
|
| 193 |
+
height: 100%;
|
| 194 |
+
top: 0;
|
| 195 |
+
left: 0;
|
| 196 |
+
pointer-events: none;
|
| 197 |
+
z-index: 5; /* Ensure particles are above notes */
|
| 198 |
+
}
|
| 199 |
.particle {
|
| 200 |
position: absolute;
|
| 201 |
+
width: 4px;
|
| 202 |
+
height: 4px;
|
| 203 |
background-color: var(--particle-color, white);
|
| 204 |
border-radius: 50%;
|
| 205 |
opacity: 1;
|
| 206 |
+
animation: particleAnim 0.6s ease-out forwards;
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| 207 |
}
|
| 208 |
+
@keyframes particleAnim {
|
| 209 |
+
0% { transform: translateY(0) scale(1); opacity: 1; }
|
| 210 |
+
100% { transform: translateY(-40px) scale(0.3); opacity: 0; }
|
| 211 |
}
|
|
|
|
| 212 |
</style>
|
| 213 |
</head>
|
| 214 |
<body>
|
| 215 |
+
<div id="controls">
|
| 216 |
+
<input type="text" id="midiUrlInput" placeholder="Enter MIDI URL (e.g., https://...)">
|
| 217 |
+
<button id="loadMidiButton">Load & Play MIDI</button>
|
| 218 |
+
<span id="loading-indicator">Loading...</span>
|
| 219 |
+
</div>
|
| 220 |
+
|
| 221 |
+
<div id="note-fall-area">
|
| 222 |
+
<div class="particle-container" id="particle-container"></div>
|
| 223 |
+
</div>
|
| 224 |
<div id="hit-line"></div>
|
| 225 |
|
| 226 |
<div class="piano-container">
|
| 227 |
<div class="piano" id="piano">
|
| 228 |
+
<!-- Keys will be generated by JavaScript -->
|
| 229 |
</div>
|
| 230 |
</div>
|
|
|
|
|
|
|
|
|
|
|
|
|
| 231 |
|
| 232 |
<script>
|
| 233 |
const pianoElement = document.getElementById('piano');
|
| 234 |
const noteFallArea = document.getElementById('note-fall-area');
|
| 235 |
+
const particleContainer = document.getElementById('particle-container');
|
| 236 |
+
const midiUrlInput = document.getElementById('midiUrlInput');
|
| 237 |
+
const loadMidiButton = document.getElementById('loadMidiButton');
|
| 238 |
+
const loadingIndicator = document.getElementById('loading-indicator');
|
| 239 |
|
|
|
|
| 240 |
const synth = new Tone.PolySynth(Tone.Synth, {
|
| 241 |
+
oscillator: { type: "triangle8" }, // A bit softer than sine
|
| 242 |
envelope: {
|
| 243 |
attack: 0.005,
|
| 244 |
+
decay: 0.2,
|
| 245 |
+
sustain: 0.2,
|
| 246 |
+
release: 0.8
|
| 247 |
},
|
| 248 |
+
volume: -8
|
| 249 |
}).toDestination();
|
| 250 |
|
| 251 |
+
const notesOrder = ['C', 'C#', 'D', 'D#', 'E', 'F', 'F#', 'G', 'G#', 'A', 'A#', 'B'];
|
| 252 |
+
const startOctave = 2;
|
| 253 |
+
const endOctave = 6; // Covers a good range
|
| 254 |
+
const whiteKeyWidth = 32; // px
|
| 255 |
+
const blackKeyWidth = 20; // px
|
| 256 |
+
const pianoKeys = {}; // To store key elements for easy access
|
| 257 |
+
|
| 258 |
+
let whiteKeyCounter = 0;
|
| 259 |
+
for (let octave = startOctave; octave <= endOctave; octave++) {
|
| 260 |
+
notesOrder.forEach((noteBase, i) => {
|
| 261 |
+
if (octave === endOctave && noteBase !== 'C') return; // End at C of the last octave
|
| 262 |
|
|
|
|
|
|
|
|
|
|
| 263 |
const keyElement = document.createElement('div');
|
| 264 |
keyElement.classList.add('key');
|
| 265 |
+
const noteName = noteBase + octave;
|
| 266 |
+
keyElement.dataset.note = noteName;
|
| 267 |
+
pianoKeys[noteName] = keyElement;
|
| 268 |
|
| 269 |
+
// Add labels if you want them
|
| 270 |
+
// const label = document.createElement('span');
|
| 271 |
+
// label.classList.add('key-label');
|
| 272 |
+
// label.textContent = noteBase.length === 1 ? noteBase : noteBase[0];
|
| 273 |
+
// keyElement.appendChild(label);
|
| 274 |
|
| 275 |
+
if (noteBase.includes('#')) {
|
| 276 |
keyElement.classList.add('black-key');
|
| 277 |
+
// Position black keys relative to the preceding white key
|
| 278 |
+
keyElement.style.left = (whiteKeyCounter * whiteKeyWidth) - (blackKeyWidth / 2) - (whiteKeyCounter > 0 ? (whiteKeyCounter-1)*0 : 0) + 'px';
|
|
|
|
|
|
|
| 279 |
keyElement.style.top = '0px';
|
| 280 |
+
} else {
|
| 281 |
keyElement.classList.add('white-key');
|
| 282 |
+
whiteKeyCounter++;
|
| 283 |
}
|
| 284 |
pianoElement.appendChild(keyElement);
|
| 285 |
|
| 286 |
+
const playNote = (event) => {
|
| 287 |
+
if (event && event.preventDefault) event.preventDefault();
|
|
|
|
| 288 |
keyElement.classList.add('active');
|
| 289 |
const randomHue = Math.random() * 360;
|
| 290 |
+
keyElement.style.setProperty('--key-glow-color', `hsla(${randomHue}, 90%, 65%, 0.85)`);
|
| 291 |
+
synth.triggerAttack(noteName, Tone.now());
|
| 292 |
+
createKeyParticles(keyElement, `hsla(${randomHue}, 90%, 65%, 0.85)`);
|
| 293 |
};
|
| 294 |
+
const releaseNote = (event) => {
|
| 295 |
+
if (event && event.preventDefault) event.preventDefault();
|
| 296 |
keyElement.classList.remove('active');
|
| 297 |
+
synth.triggerRelease(noteName, Tone.now() + 0.1); // Slight release time
|
| 298 |
};
|
| 299 |
|
| 300 |
+
keyElement.addEventListener('mousedown', playNote);
|
| 301 |
+
keyElement.addEventListener('mouseup', releaseNote);
|
| 302 |
+
keyElement.addEventListener('mouseleave', () => {
|
| 303 |
+
if (keyElement.classList.contains('active')) releaseNote();
|
| 304 |
+
});
|
| 305 |
+
keyElement.addEventListener('touchstart', playNote, { passive: false });
|
| 306 |
+
keyElement.addEventListener('touchend', releaseNote);
|
| 307 |
+
keyElement.addEventListener('touchcancel', releaseNote);
|
| 308 |
});
|
| 309 |
}
|
| 310 |
+
// Adjust piano width based on the number of white keys
|
| 311 |
+
pianoElement.style.width = (whiteKeyCounter * whiteKeyWidth + (whiteKeyCounter -1)) + 'px';
|
| 312 |
+
|
| 313 |
+
|
| 314 |
+
function createKeyParticles(keyElement, color) {
|
| 315 |
+
const keyRect = keyElement.getBoundingClientRect();
|
| 316 |
+
const noteFallRect = noteFallArea.getBoundingClientRect(); // Use noteFallArea for correct relative positioning
|
| 317 |
+
|
| 318 |
+
for (let i = 0; i < 8; i++) {
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| 319 |
const particle = document.createElement('div');
|
| 320 |
particle.classList.add('particle');
|
| 321 |
particle.style.setProperty('--particle-color', color);
|
| 322 |
|
| 323 |
+
// Calculate position relative to noteFallArea
|
| 324 |
+
const xPos = keyRect.left - noteFallRect.left + keyRect.width / 2 + (Math.random() - 0.5) * 15;
|
| 325 |
+
const yPos = keyRect.top - noteFallRect.top + keyRect.height / 2 + (Math.random() - 0.5) * 10; // From middle of key
|
| 326 |
+
|
| 327 |
+
particle.style.left = `${xPos}px`;
|
| 328 |
+
particle.style.top = `${yPos}px`; // Particles originate from key press
|
| 329 |
+
|
| 330 |
+
particleContainer.appendChild(particle);
|
| 331 |
+
setTimeout(() => particle.remove(), 600);
|
| 332 |
}
|
| 333 |
}
|
| 334 |
|
| 335 |
+
const hitLinePositionVh = 100 - 28 - (5 / window.innerHeight * 100); // hit-line bottom in vh
|
| 336 |
+
const noteFallDurationMs = 3000; // Notes take 3 seconds to fall
|
| 337 |
|
| 338 |
+
let currentMidiEvents = [];
|
| 339 |
+
let currentMidiTempo = 120; // Default BPM
|
| 340 |
+
|
| 341 |
+
async function loadAndPlayMidi(url) {
|
| 342 |
+
if (!url) {
|
| 343 |
+
// Default sample if no URL is provided (optional)
|
| 344 |
+
// playSampleData(getTwinkleTwinkle()); // Or some other default
|
| 345 |
+
alert("Please enter a MIDI URL.");
|
|
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|
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|
|
|
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|
|
|
|
|
|
|
|
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|
| 346 |
return;
|
| 347 |
}
|
|
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|
| 348 |
|
| 349 |
+
Tone.Transport.stop();
|
| 350 |
+
Tone.Transport.cancel(); // Clear previous events
|
| 351 |
+
document.querySelectorAll('.note-bar').forEach(n => n.remove());
|
| 352 |
+
loadingIndicator.style.display = 'inline';
|
| 353 |
+
loadMidiButton.disabled = true;
|
| 354 |
+
loadMidiButton.textContent = 'Loading...';
|
| 355 |
+
|
| 356 |
+
try {
|
| 357 |
+
const response = await fetch(url);
|
| 358 |
+
if (!response.ok) throw new Error(`HTTP error! status: ${response.status}`);
|
| 359 |
+
const arrayBuffer = await response.arrayBuffer();
|
| 360 |
+
const midi = MidiConvert.parse(arrayBuffer);
|
| 361 |
+
|
| 362 |
+
if (!midi || !midi.tracks || midi.tracks.length === 0) {
|
| 363 |
+
throw new Error("Invalid MIDI data or no tracks found.");
|
| 364 |
+
}
|
| 365 |
+
|
| 366 |
+
// Try to find tempo from MIDI meta events
|
| 367 |
+
if (midi.header && midi.header.tempos && midi.header.tempos.length > 0) {
|
| 368 |
+
currentMidiTempo = midi.header.tempos[0].bpm;
|
| 369 |
+
} else {
|
| 370 |
+
currentMidiTempo = 120; // Fallback
|
| 371 |
+
}
|
| 372 |
+
Tone.Transport.bpm.value = currentMidiTempo;
|
| 373 |
+
|
| 374 |
+
console.log("MIDI Loaded:", midi);
|
| 375 |
+
console.log("Tempo:", currentMidiTempo, "BPM");
|
| 376 |
+
|
| 377 |
+
currentMidiEvents = [];
|
| 378 |
+
midi.tracks.forEach(track => {
|
| 379 |
+
if (track.notes) {
|
| 380 |
+
track.notes.forEach(note => {
|
| 381 |
+
currentMidiEvents.push({
|
| 382 |
+
time: note.time, // Time in seconds
|
| 383 |
+
note: Tone.Frequency(note.midi, "midi").toNote(), // Convert MIDI number to note name
|
| 384 |
+
duration: note.duration, // Duration in seconds
|
| 385 |
+
velocity: note.velocity // Velocity (0-1)
|
| 386 |
+
});
|
| 387 |
+
});
|
| 388 |
+
}
|
| 389 |
+
});
|
| 390 |
+
|
| 391 |
+
currentMidiEvents.sort((a, b) => a.time - b.time); // Ensure notes are sorted by time
|
| 392 |
|
| 393 |
+
scheduleMidiEvents();
|
| 394 |
+
Tone.Transport.start();
|
| 395 |
+
loadMidiButton.textContent = 'Stop MIDI';
|
| 396 |
+
|
| 397 |
+
} catch (error) {
|
| 398 |
+
console.error("Error loading or parsing MIDI:", error);
|
| 399 |
+
alert("Failed to load or parse MIDI file. Check console for details. Error: " + error.message);
|
| 400 |
+
loadMidiButton.textContent = 'Load & Play MIDI';
|
| 401 |
+
} finally {
|
| 402 |
+
loadingIndicator.style.display = 'none';
|
| 403 |
+
loadMidiButton.disabled = false;
|
| 404 |
+
}
|
| 405 |
+
}
|
| 406 |
+
|
| 407 |
+
function scheduleMidiEvents() {
|
| 408 |
+
const noteColors = [
|
| 409 |
+
[0, 255, 127], // Spring Green
|
| 410 |
+
[255, 105, 180], // Hot Pink
|
| 411 |
+
[138, 43, 226], // Blue Violet
|
| 412 |
+
[255, 215, 0], // Gold
|
| 413 |
+
[0, 191, 255], // Deep Sky Blue
|
| 414 |
+
[255, 69, 0] // Orange Red
|
| 415 |
+
];
|
| 416 |
+
let colorIndex = 0;
|
| 417 |
+
|
| 418 |
+
currentMidiEvents.forEach(noteData => {
|
| 419 |
+
Tone.Transport.scheduleOnce(time => {
|
| 420 |
+
const targetKeyElement = pianoKeys[noteData.note];
|
| 421 |
if (targetKeyElement) {
|
| 422 |
+
const noteElement = document.createElement('div');
|
| 423 |
+
noteElement.classList.add('note-bar');
|
| 424 |
+
|
| 425 |
const keyRect = targetKeyElement.getBoundingClientRect();
|
| 426 |
+
const pianoRect = pianoElement.getBoundingClientRect(); // Reference for piano keys
|
| 427 |
+
|
| 428 |
+
noteElement.style.width = (noteData.note.includes('#') ? blackKeyWidth : whiteKeyWidth) - 2 + 'px';
|
| 429 |
noteElement.style.left = (keyRect.left - pianoRect.left + 1) + 'px';
|
|
|
|
| 430 |
|
| 431 |
+
// Calculate height based on duration and BPM
|
| 432 |
+
// (note.duration / (60 / bpm)) gives number of beats
|
| 433 |
+
// Multiply by a factor for visual height
|
| 434 |
+
const noteHeight = (noteData.duration / (60 / currentMidiTempo)) * 50; // 50px per beat (adjust as needed)
|
| 435 |
+
noteElement.style.height = Math.max(10, noteHeight) + 'px'; // Minimum height
|
| 436 |
|
| 437 |
+
// Assign a color cyclically
|
| 438 |
+
const [r, g, b] = noteColors[colorIndex % noteColors.length];
|
| 439 |
+
colorIndex++;
|
| 440 |
+
noteElement.style.setProperty('--note-gradient', `linear-gradient(to bottom, rgba(${r}, ${g}, ${b}, 0.9), rgba(${r*0.6}, ${g*0.6}, ${b*0.6}, 0.9))`);
|
| 441 |
+
noteElement.style.setProperty('--note-glow', `rgba(${r}, ${g}, ${b}, 0.7)`);
|
| 442 |
|
|
|
|
|
|
|
| 443 |
|
| 444 |
+
noteElement.style.top = `-${noteElement.style.height}`;
|
| 445 |
+
noteFallArea.appendChild(noteElement);
|
| 446 |
+
|
| 447 |
+
const fallAreaHeight = noteFallArea.clientHeight;
|
| 448 |
noteElement.animate([
|
| 449 |
+
{ transform: `translateY(0px)` },
|
| 450 |
+
{ transform: `translateY(${fallAreaHeight + parseFloat(noteElement.style.height)}px)` }
|
| 451 |
], {
|
| 452 |
+
duration: noteFallDurationMs,
|
| 453 |
easing: 'linear'
|
| 454 |
});
|
| 455 |
+
|
| 456 |
+
// Schedule sound and visual feedback
|
| 457 |
Tone.Transport.scheduleOnce(hitTime => {
|
| 458 |
+
synth.triggerAttackRelease(noteData.note, noteData.duration, hitTime, noteData.velocity);
|
| 459 |
targetKeyElement.classList.add('active');
|
| 460 |
+
targetKeyElement.style.setProperty('--key-glow-color', `rgba(${r}, ${g}, ${b}, 0.85)`);
|
| 461 |
+
createKeyParticles(targetKeyElement, `rgba(${r}, ${g}, ${b}, 0.85)`);
|
| 462 |
+
|
|
|
|
| 463 |
setTimeout(() => {
|
| 464 |
targetKeyElement.classList.remove('active');
|
| 465 |
+
}, noteData.duration * 1000);
|
| 466 |
|
|
|
|
| 467 |
setTimeout(() => {
|
| 468 |
+
if (noteElement.parentNode) noteElement.remove();
|
| 469 |
+
}, noteFallDurationMs);
|
| 470 |
+
}, time + (noteFallDurationMs / 1000)); // Trigger sound when note reaches hit line
|
|
|
|
|
|
|
|
|
|
| 471 |
}
|
| 472 |
+
}, noteData.time); // Schedule note bar creation at its MIDI time
|
| 473 |
});
|
|
|
|
|
|
|
| 474 |
}
|
| 475 |
|
| 476 |
+
|
| 477 |
+
loadMidiButton.addEventListener('click', async () => {
|
| 478 |
+
await Tone.start(); // Ensure AudioContext is started by user interaction
|
| 479 |
+
if (Tone.Transport.state === 'started') {
|
| 480 |
+
Tone.Transport.stop();
|
| 481 |
+
Tone.Transport.cancel();
|
| 482 |
+
document.querySelectorAll('.note-bar').forEach(n => n.remove());
|
| 483 |
+
loadMidiButton.textContent = 'Load & Play MIDI';
|
| 484 |
+
} else {
|
| 485 |
+
const url = midiUrlInput.value.trim();
|
| 486 |
+
if (url) {
|
| 487 |
+
loadAndPlayMidi(url);
|
| 488 |
+
} else {
|
| 489 |
+
// Play a default sample if no URL is provided
|
| 490 |
+
loadAndPlayMidi("https://cdn.jsdelivr.net/gh/Tonejs/MidiConvert/examples/midi/Faur_-_Sicilienne_Op_78.mid"); // Example MIDI
|
| 491 |
+
}
|
| 492 |
+
}
|
| 493 |
+
});
|
| 494 |
+
|
| 495 |
+
// Adjust piano width dynamically on resize for responsiveness
|
| 496 |
+
window.addEventListener('resize', () => {
|
| 497 |
+
let currentWhiteKeyCount = 0;
|
| 498 |
+
for (let octave = startOctave; octave <= endOctave; octave++) {
|
| 499 |
+
notesOrder.forEach(noteBase => {
|
| 500 |
+
if (octave === endOctave && noteBase !== 'C') return;
|
| 501 |
+
if (!noteBase.includes('#')) currentWhiteKeyCount++;
|
| 502 |
+
});
|
| 503 |
+
}
|
| 504 |
+
pianoElement.style.width = (currentWhiteKeyCount * whiteKeyWidth + (currentWhiteKeyCount-1)) + 'px';
|
| 505 |
+
|
| 506 |
+
// Re-calculate hitLineY if needed for falling notes logic
|
| 507 |
+
// hitLineY = noteFallArea.offsetHeight; (If you change how hitLineY is defined)
|
| 508 |
});
|
| 509 |
|
| 510 |
+
|
| 511 |
</script>
|
| 512 |
</body>
|
| 513 |
</html>
|