anycoder-c8644574 / index.html
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<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0, maximum-scale=1.0, user-scalable=no">
<title>InstrumentFromPhoto - AI-Powered Virtual Instruments</title>
<!-- Material Icons -->
<link href="https://fonts.googleapis.com/icon?family=Material+Icons" rel="stylesheet">
<link href="https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700&display=swap" rel="stylesheet">
<style>
:root {
--primary: #6750A4;
--primary-variant: #4F378B;
--secondary: #625B71;
--surface: #FFFBFE;
--surface-variant: #E7E0EC;
--background: #FEF7FF;
--error: #BA1A1A;
--on-primary: #FFFFFF;
--on-secondary: #FFFFFF;
--on-surface: #1C1B1F;
--on-surface-variant: #49454F;
--outline: #79747E;
--shadow: rgba(0, 0, 0, 0.12);
--elevation-1: 0 1px 2px rgba(0,0,0,0.16), 0 1px 3px rgba(0,0,0,0.23);
--elevation-2: 0 3px 6px rgba(0,0,0,0.16), 0 3px 6px rgba(0,0,0,0.23);
--elevation-3: 0 10px 20px rgba(0,0,0,0.19), 0 6px 6px rgba(0,0,0,0.23);
}
* {
margin: 0;
padding: 0;
box-sizing: border-box;
}
body {
font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
background: var(--background);
color: var(--on-surface);
overflow-x: hidden;
position: relative;
min-height: 100vh;
}
.app-container {
display: flex;
flex-direction: column;
min-height: 100vh;
position: relative;
}
/* Header */
.header {
background: var(--primary);
color: var(--on-primary);
padding: 16px;
display: flex;
align-items: center;
justify-content: space-between;
box-shadow: var(--elevation-2);
position: sticky;
top: 0;
z-index: 100;
}
.header-title {
display: flex;
align-items: center;
gap: 12px;
font-size: 20px;
font-weight: 600;
}
.header-actions {
display: flex;
gap: 8px;
}
.icon-button {
background: rgba(255, 255, 255, 0.12);
border: none;
border-radius: 20px;
width: 40px;
height: 40px;
display: flex;
align-items: center;
justify-content: center;
cursor: pointer;
transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}
.icon-button:hover {
background: rgba(255, 255, 255, 0.24);
transform: scale(1.05);
}
/* Main Content */
.main-content {
flex: 1;
padding: 16px;
padding-bottom: 80px;
}
/* Camera View */
.camera-section {
display: none;
animation: fadeIn 0.3s ease-out;
}
.camera-section.active {
display: block;
}
@keyframes fadeIn {
from { opacity: 0; transform: translateY(10px); }
to { opacity: 1; transform: translateY(0); }
}
.camera-container {
background: var(--surface);
border-radius: 16px;
overflow: hidden;
box-shadow: var(--elevation-1);
margin-bottom: 16px;
}
#camera-view {
width: 100%;
height: 300px;
background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
display: flex;
align-items: center;
justify-content: center;
position: relative;
overflow: hidden;
}
.camera-placeholder {
text-align: center;
color: white;
}
.camera-placeholder .material-icons {
font-size: 64px;
margin-bottom: 16px;
}
.camera-controls {
display: flex;
gap: 12px;
padding: 16px;
background: var(--surface-variant);
}
.capture-button {
flex: 1;
background: var(--primary);
color: var(--on-primary);
border: none;
padding: 16px;
border-radius: 100px;
font-size: 16px;
font-weight: 500;
cursor: pointer;
transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
display: flex;
align-items: center;
justify-content: center;
gap: 8px;
}
.capture-button:hover {
background: var(--primary-variant);
transform: scale(1.02);
}
.capture-button:active {
transform: scale(0.98);
}
/* AI Processing */
.ai-processing {
display: none;
background: var(--surface);
border-radius: 16px;
padding: 24px;
text-align: center;
box-shadow: var(--elevation-1);
animation: pulse 2s infinite;
}
.ai-processing.active {
display: block;
}
@keyframes pulse {
0%, 100% { opacity: 1; }
50% { opacity: 0.7; }
}
.processing-icon {
font-size: 48px;
color: var(--primary);
animation: spin 2s linear infinite;
margin-bottom: 16px;
}
@keyframes spin {
from { transform: rotate(0deg); }
to { transform: rotate(360deg); }
}
/* Instrument Selection */
.instrument-selection {
display: none;
animation: slideUp 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}
.instrument-selection.active {
display: block;
}
@keyframes slideUp {
from { opacity: 0; transform: translateY(20px); }
to { opacity: 1; transform: translateY(0); }
}
.detection-result {
background: var(--surface);
border-radius: 16px;
padding: 20px;
margin-bottom: 16px;
box-shadow: var(--elevation-1);
}
.detection-header {
display: flex;
align-items: center;
gap: 12px;
margin-bottom: 16px;
}
.detection-icon {
width: 48px;
height: 48px;
background: var(--primary);
border-radius: 12px;
display: flex;
align-items: center;
justify-content: center;
color: var(--on-primary);
}
.detection-info h3 {
font-size: 20px;
font-weight: 600;
margin-bottom: 4px;
}
.confidence-badge {
display: inline-block;
background: var(--surface-variant);
padding: 4px 12px;
border-radius: 100px;
font-size: 12px;
font-weight: 500;
color: var(--on-surface-variant);
}
.instrument-variants {
display: flex;
gap: 8px;
flex-wrap: wrap;
margin-top: 12px;
}
.variant-chip {
background: var(--surface-variant);
padding: 8px 16px;
border-radius: 100px;
font-size: 14px;
cursor: pointer;
transition: all 0.2s;
}
.variant-chip:hover {
background: var(--primary);
color: var(--on-primary);
}
/* Playable Interfaces */
.instrument-playground {
background: var(--surface);
border-radius: 16px;
padding: 20px;
box-shadow: var(--elevation-1);
min-height: 400px;
}
.playground-header {
display: flex;
justify-content: space-between;
align-items: center;
margin-bottom: 20px;
}
.playground-title {
font-size: 18px;
font-weight: 600;
}
.playground-controls {
display: flex;
gap: 8px;
}
.control-button {
background: var(--surface-variant);
border: none;
padding: 8px 16px;
border-radius: 100px;
font-size: 14px;
cursor: pointer;
transition: all 0.2s;
}
.control-button:hover {
background: var(--primary);
color: var(--on-primary);
}
/* Fretboard Renderer */
.fretboard-renderer {
width: 100%;
overflow-x: auto;
-webkit-overflow-scrolling: touch;
padding: 20px 0;
}
.fretboard {
display: flex;
flex-direction: column;
gap: 8px;
min-width: 600px;
}
.string {
display: flex;
align-items: center;
height: 40px;
position: relative;
background: linear-gradient(90deg, var(--outline) 0%, transparent 1px);
}
.string::before {
content: '';
position: absolute;
top: 50%;
left: 0;
right: 0;
height: 2px;
background: var(--secondary);
transform: translateY(-50%);
}
.fret {
flex: 1;
height: 40px;
border-right: 2px solid var(--outline);
position: relative;
cursor: pointer;
transition: all 0.1s;
}
.fret:hover {
background: rgba(103, 80, 164, 0.1);
}
.fret.active {
background: var(--primary);
animation: noteGlow 0.3s ease-out;
}
@keyframes noteGlow {
0% { transform: scale(1); box-shadow: 0 0 0 0 rgba(103, 80, 164, 0.7); }
100% { transform: scale(1.1); box-shadow: 0 0 0 10px rgba(103, 80, 164, 0); }
}
.fret-marker {
position: absolute;
top: 50%;
left: 50%;
transform: translate(-50%, -50%);
width: 8px;
height: 8px;
background: var(--on-surface-variant);
border-radius: 50%;
opacity: 0.3;
}
/* Pad Grid Renderer */
.pad-grid-renderer {
display: grid;
gap: 12px;
padding: 20px 0;
}
.pad-grid-4x4 {
grid-template-columns: repeat(4, 1fr);
}
.pad {
aspect-ratio: 1;
background: var(--surface-variant);
border-radius: 12px;
display: flex;
align-items: center;
justify-content: center;
font-size: 14px;
font-weight: 500;
color: var(--on-surface-variant);
cursor: pointer;
transition: all 0.15s cubic-bezier(0.4, 0, 0.2, 1);
position: relative;
overflow: hidden;
}
.pad::before {
content: '';
position: absolute;
top: 50%;
left: 50%;
width: 0;
height: 0;
background: var(--primary);
border-radius: 50%;
transform: translate(-50%, -50%);
transition: width 0.3s, height 0.3s;
}
.pad:hover {
transform: scale(0.95);
}
.pad.active {
background: var(--primary);
color: var(--on-primary);
transform: scale(0.92);
}
.pad.active::before {
width: 100px;
height: 100px;
}
/* Keyboard Renderer */
.keyboard-renderer {
padding: 20px 0;
overflow-x: auto;
-webkit-overflow-scrolling: touch;
}
.keyboard {
display: flex;
min-width: 400px;
height: 120px;
position: relative;
background: var(--surface-variant);
border-radius: 8px;
padding: 8px;
}
.key {
flex: 1;
background: var(--surface);
border: 1px solid var(--outline);
border-radius: 0 0 4px 4px;
cursor: pointer;
transition: all 0.1s;
position: relative;
margin: 0 1px;
}
.key:hover {
background: var(--surface-variant);
}
.key.active {
background: var(--primary);
transform: translateY(2px);
}
.key.black {
position: absolute;
width: 60%;
height: 65%;
background: var(--on-surface);
z-index: 2;
margin: 0 -30%;
}
.key.black.active {
background: var(--primary-variant);
}
/* Continuous Pitch Renderer */
.continuous-pitch-renderer {
height: 300px;
background: var(--surface-variant);
border-radius: 16px;
position: relative;
overflow: hidden;
cursor: crosshair;
touch-action: none;
}
.pitch-overlay {
position: absolute;
top: 0;
left: 0;
right: 0;
bottom: 0;
background: linear-gradient(
to bottom,
rgba(103, 80, 164, 0.1) 0%,
transparent 50%,
rgba(103, 80, 164, 0.1) 100%
);
}
.pitch-indicator {
position: absolute;
width: 20px;
height: 20px;
background: var(--primary);
border-radius: 50%;
transform: translate(-50%, -50%);
pointer-events: none;
box-shadow: 0 0 20px rgba(103, 80, 164, 0.5);
display: none;
}
.pitch-indicator.active {
display: block;
animation: pulseIndicator 1s infinite;
}
@keyframes pulseIndicator {
0%, 100% { transform: translate(-50%, -50%) scale(1); }
50% { transform: translate(-50%, -50%) scale(1.2); }
}
.pitch-grid {
position: absolute;
top: 0;
left: 0;
right: 0;
bottom: 0;
display: grid;
grid-template-columns: repeat(12, 1fr);
grid-template-rows: repeat(8, 1fr);
}
.pitch-grid-line {
border: 1px solid rgba(0, 0, 0, 0.05);
}
/* Biosensor Panel */
.biosensor-panel {
background: var(--surface);
border-radius: 16px;
padding: 20px;
margin-top: 16px;
box-shadow: var(--elevation-1);
}
.biosensor-header {
display: flex;
align-items: center;
gap: 12px;
margin-bottom: 16px;
}
.biosensor-title {
font-size: 16px;
font-weight: 600;
}
.biosensor-controls {
display: grid;
grid-template-columns: repeat(2, 1fr);
gap: 12px;
}
.biosensor-control {
display: flex;
flex-direction: column;
gap: 8px;
}
.biosensor-label {
font-size: 12px;
color: var(--on-surface-variant);
font-weight: 500;
}
.biosensor-slider {
-webkit-appearance: none;
appearance: none;
height: 4px;
background: var(--surface-variant);
border-radius: 2px;
outline: none;
}
.biosensor-slider::-webkit-slider-thumb {
-webkit-appearance: none;
appearance: none;
width: 20px;
height: 20px;
background: var(--primary);
border-radius: 50%;
cursor: pointer;
transition: all 0.2s;
}
.biosensor-slider::-webkit-slider-thumb:hover {
transform: scale(1.2);
}
.biosensor-value {
font-size: 14px;
font-weight: 500;
color: var(--primary);
}
/* Effects Panel */
.effects-panel {
background: var(--surface);
border-radius: 16px;
padding: 20px;
margin-top: 16px;
box-shadow: var(--elevation-1);
}
.effects-grid {
display: flex;
gap: 8px;
flex-wrap: wrap;
margin-top: 12px;
}
.effect-chip {
background: var(--surface-variant);
padding: 8px 16px;
border-radius: 100px;
font-size: 14px;
cursor: pointer;
transition: all 0.2s;
border: 2px solid transparent;
}
.effect-chip:hover {
border-color: var(--primary);
}
.effect-chip.active {
background: var(--primary);
color: var(--on-primary);
}
/* Bottom Navigation */
.bottom-nav {
position: fixed;
bottom: 0;
left: 0;
right: 0;
background: var(--surface);
box-shadow: 0 -2px 8px var(--shadow);
display: flex;
justify-content: space-around;
padding: 8px 0;
z-index: 100;
}
.nav-item {
display: flex;
flex-direction: column;
align-items: center;
gap: 4px;
padding: 8px 16px;
cursor: pointer;
transition: all 0.2s;
border-radius: 12px;
}
.nav-item:hover {
background: var(--surface-variant);
}
.nav-item.active {
color: var(--primary);
}
.nav-item .material-icons {
font-size: 24px;
}
.nav-label {
font-size: 12px;
font-weight: 500;
}
/* Tutorial Overlay */
.tutorial-overlay {
position: fixed;
top: 0;
left: 0;
right: 0;
bottom: 0;
background: rgba(0, 0, 0, 0.8);
display: none;
align-items: center;
justify-content: center;
z-index: 1000;
padding: 20px;
}
.tutorial-overlay.active {
display: flex;
}
.tutorial-card {
background: var(--surface);
border-radius: 24px;
padding: 32px;
max-width: 400px;
width: 100%;
text-align: center;
animation: tutorialSlide 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}
@keyframes tutorialSlide {
from { opacity: 0; transform: scale(0.9) translateY(20px); }
to { opacity: 1; transform: scale(1) translateY(0); }
}
.tutorial-icon {
font-size: 64px;
color: var(--primary);
margin-bottom: 16px;
}
.tutorial-title {
font-size: 24px;
font-weight: 600;
margin-bottom: 12px;
}
.tutorial-text {
color: var(--on-surface-variant);
line-height: 1.5;
margin-bottom: 24px;
}
.tutorial-button {
background: var(--primary);
color: var(--on-primary);
border: none;
padding: 16px 32px;
border-radius: 100px;
font-size: 16px;
font-weight: 500;
cursor: pointer;
transition: all 0.2s;
}
.tutorial-button:hover {
background: var(--primary-variant);
}
/* Responsive Design */
@media (max-width: 480px) {
.header-title {
font-size: 18px;
}
.main-content {
padding: 12px;
}
.detection-result {
padding: 16px;
}
.biosensor-controls {
grid-template-columns: 1fr;
}
.effects-grid {
gap: 6px;
}
.effect-chip {
padding: 6px 12px;
font-size: 12px;
}
}
/* Loading States */
.loading-skeleton {
background: linear-gradient(90deg, var(--surface-variant) 25%, var(--surface) 50%, var(--surface-variant) 75%);
background-size: 200% 100%;
animation: loading 1.5s infinite;
border-radius: 8px;
}
@keyframes loading {
0% { background-position: 200% 0; }
100% { background-position: -200% 0; }
}
/* Touch Feedback */
.touch-ripple {
position: absolute;
border-radius: 50%;
background: rgba(103, 80, 164, 0.3);
transform: scale(0);
animation: ripple 0.6s ease-out;
pointer-events: none;
}
@keyframes ripple {
to {
transform: scale(4);
opacity: 0;
}
}
/* Built with Badge */
.built-with {
position: fixed;
bottom: 80px;
right: 16px;
background: var(--primary);
color: var(--on-primary);
padding: 8px 12px;
border-radius: 100px;
font-size: 12px;
text-decoration: none;
box-shadow: var(--elevation-2);
z-index: 99;
transition: all 0.2s;
}
.built-with:hover {
background: var(--primary-variant);
transform: scale(1.05);
}
</style>
</head>
<body>
<div class="app-container">
<!-- Header -->
<header class="header">
<div class="header-title">
<span class="material-icons">music_note</span>
InstrumentFromPhoto
</div>
<div class="header-actions">
<button class="icon-button" onclick="toggleTutorial()">
<span class="material-icons">help_outline</span>
</button>
<button class="icon-button" onclick="toggleSettings()">
<span class="material-icons">settings</span>
</button>
</div>
</header>
<!-- Main Content -->
<main class="main-content">
<!-- Camera Section -->
<section class="camera-section active" id="camera-section">
<div class="camera-container">
<div id="camera-view">
<div class="camera-placeholder">
<span class="material-icons">camera_alt</span>
<h3>Point camera at an instrument</h3>
<p>AI will identify and create a playable version</p>
</div>
</div>
<div class="camera-controls">
<button class="capture-button" onclick="captureInstrument()">
<span class="material-icons">photo_camera</span>
Capture Instrument
</button>
<button class="capture-button" onclick="demoInstrument()">
<span class="material-icons">auto_awesome</span>
Demo Mode
</button>
</div>
</div>
</section>
<!-- AI Processing -->
<section class="ai-processing" id="ai-processing">
<span class="material-icons processing-icon">psychology</span>
<h3>Analyzing Instrument</h3>
<p>AI is identifying and configuring your virtual instrument...</p>
</section>
<!-- Instrument Selection -->
<section class="instrument-selection" id="instrument-selection">
<div class="detection-result">
<div class="detection-header">
<div class="detection-icon">
<span class="material-icons" id="instrument-icon">guitar</span>
</div>
<div class="detection-info">
<h3 id="instrument-name">Electric Guitar</h3>
<span class="confidence-badge" id="confidence">91% confidence</span>
</div>
</div>
<p id="instrument-description">6-string fretted instrument with magnetic pickups</p>
<div class="instrument-variants" id="variants">
<span class="variant-chip" onclick="loadVariant('electric')">Electric</span>
<span class="variant-chip" onclick="loadVariant('acoustic')">Acoustic</span>
<span class="variant-chip" onclick="loadVariant('bass')">Bass</span>
</div>
</div>
<!-- Instrument Playground -->
<div class="instrument-playground">
<div class="playground-header">
<h3 class="playground-title">Virtual Instrument</h3>
<div class="playground-controls">
<button class="control-button" onclick="toggleEffects()">
<span class="material-icons">tune</span>
</button>
<button class="control-button" onclick="toggleBiosensors()">
<span class="material-icons">favorite</span>
</button>
<button class="control-button" onclick="recordPerformance()">
<span class="material-icons">fiber_manual_record</span>
</button>
</div>
</div>
<div id="instrument-renderer"></div>
</div>
<!-- Effects Panel -->
<div class="effects-panel" id="effects-panel" style="display: none;">
<div class="effects-header">
<h4>Audio Effects</h4>
</div>
<div class="effects-grid">
<span class="effect-chip" onclick="toggleEffect('distortion')">Distortion</span>
<span class="effect-chip" onclick="toggleEffect('delay')">Delay</span>
<span class="effect-chip" onclick="toggleEffect('reverb')">Reverb</span>
<span class="effect-chip" onclick="toggleEffect('chorus')">Chorus</span>
<span class="effect-chip" onclick="toggleEffect('phaser')">Phaser</span>
<span class="effect-chip" onclick="toggleEffect('flanger')">Flanger</span>
</div>
</div>
<!-- Biosensor Panel -->
<div class="biosensor-panel" id="biosensor-panel" style="display: none;">
<div class="biosensor-header">
<span class="material-icons">sensors</span>
<h4 class="biosensor-title">Biosensor Controls</h4>
</div>
<div class="biosensor-controls">
<div class="biosensor-control">
<label class="biosensor-label">EEG Alpha (Filter)</label>
<input type="range" class="biosensor-slider" id="eeg-alpha" min="0" max="127" value="64">
<span class="biosensor-value" id="eeg-alpha-value">64</span>
</div>
<div class="biosensor-control">
<label class="biosensor-label">Heart Rate (Tempo)</label>
<input type="range" class="biosensor-slider" id="heart-rate" min="60" max="180" value="120">
<span class="biosensor-value" id="heart-rate-value">120 BPM</span>
</div>
<div class="biosensor-control">
<label class="biosensor-label">Breath (Volume)</label>
<input type="range" class="biosensor-slider" id="breath" min="0" max="127" value="100">
<span class="biosensor-value" id="breath-value">100</span>
</div>
<div class="biosensor-control">
<label class="biosensor-label">Motion (Modulation)</label>
<input type="range" class="biosensor-slider" id="motion" min="0" max="127" value="64">
<span class="biosensor-value" id="motion-value">64</span>
</div>
</div>
</div>
</section>
</main>
<!-- Bottom Navigation -->
<nav class="bottom-nav">
<div class="nav-item active" onclick="showSection('camera')">
<span class="material-icons">camera_alt</span>
<span class="nav-label">Capture</span>
</div>
<div class="nav-item" onclick="showSection('library')">
<span class="material-icons">library_music</span>
<span class="nav-label">Library</span>
</div>
<div class="nav-item" onclick="showSection('create')">
<span class="material-icons">piano</span>
<span class="nav-label">Create</span>
</div>
<div class="nav-item" onclick="showSection('profile')">
<span class="material-icons">person</span>
<span class="nav-label">Profile</span>
</div>
</nav>
<!-- Tutorial Overlay -->
<div class="tutorial-overlay" id="tutorial-overlay">
<div class="tutorial-card">
<span class="material-icons tutorial-icon">music_note</span>
<h2 class="tutorial-title">Welcome to InstrumentFromPhoto</h2>
<p class="tutorial-text">Point your camera at any musical instrument and watch as AI creates a playable virtual version instantly!</p>
<button class="tutorial-button" onclick="closeTutorial()">Get Started</button>
</div>
</div>
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Built with anycoder
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<script>
// Audio Context and Sound Engine
let audioContext;
let masterGainNode;
let currentInstrument = null;
let activeNotes = new Map();
let biosensorValues = {
eegAlpha: 64,
heartRate: 120,
breath: 100,
motion: 64
};
// Initialize Audio Context
function initAudio() {
if (!audioContext) {
audioContext = new (window.AudioContext || window.webkitAudioContext)();
masterGainNode = audioContext.createGain();
masterGainNode.connect(audioContext.destination);
masterGainNode.gain.value = 0.7;
}
}
// Sound Generation Functions
function playNote(frequency, type = 'sine', duration = 0.5) {
initAudio();
const oscillator = audioContext.createOscillator();
const gainNode = audioContext.createGain();
oscillator.type = type;
oscillator.frequency.value = frequency;
// Apply biosensor modulation
const breathModulation = biosensorValues.breath / 127;
gainNode.gain.value = breathModulation * 0.3;
// ADSR envelope
const now = audioContext.currentTime;
gainNode.gain.setValueAtTime(0, now);
gainNode.gain.linearRampToValueAtTime(breathModulation * 0.3, now + 0.01);
gainNode.gain.exponentialRampToValueAtTime(0.001, now + duration);
oscillator.connect(gainNode);
gainNode.connect(masterGainNode);
oscillator.start(now);
oscillator.stop(now + duration);
return { oscillator, gainNode };
}
function playDrum(type = 'kick') {
initAudio();
const now = audioContext.currentTime;
if (type === 'kick') {
const oscillator = audioContext.createOscillator();
const gainNode = audioContext.createGain();
oscillator.frequency.setValueAtTime(150, now);
oscillator.frequency.exponentialRampToValueAtTime(0.01, now + 0.5);
gainNode.gain.setValueAtTime(1, now);
gainNode.gain.exponentialRampToValueAtTime(0.01, now + 0.5);
oscillator.connect(gainNode);
gainNode.connect(masterGainNode);
oscillator.start(now);
oscillator.stop(now + 0.5);
} else if (type === 'snare') {
const noiseBuffer = audioContext.createBuffer(1, audioContext.sampleRate * 0.2, audioContext.sampleRate);
const output = noiseBuffer.getChannelData(0);
for (let i = 0; i < noiseBuffer.length; i++) {
output[i] = Math.random() * 2 - 1;
}
const noiseSource = audioContext.createBufferSource();
noiseSource.buffer = noiseBuffer;
const noiseFilter = audioContext.createBiquadFilter();
noiseFilter.type = 'highpass';
noiseFilter.frequency.value = 1000;
const noiseGain = audioContext.createGain();
noiseGain.gain.setValueAtTime(1, now);
noiseGain.gain.exponentialRampToValueAtTime(0.01, now + 0.2);
noiseSource.connect(noiseFilter);
noiseFilter.connect(noiseGain);
noiseGain.connect(masterGainNode);
noiseSource.start(now);
} else if (type === 'hihat') {
const noiseBuffer = audioContext.createBuffer(1, audioContext.sampleRate * 0.05, audioContext.sampleRate);
const output = noiseBuffer.getChannelData(0);
for (let i = 0; i < noiseBuffer.length; i++) {
output[i] = Math.random() * 2 - 1;
}
const noiseSource = audioContext.createBufferSource();
noiseSource.buffer = noiseBuffer;
const noiseFilter = audioContext.createBiquadFilter();
noiseFilter.type = 'highpass';
noiseFilter.frequency.value = 5000;
const noiseGain = audioContext.createGain();
noiseGain.gain.setValueAtTime(0.3, now);