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3D-Audio-visuals

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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">
    <title>3D Audio Spectrum Analyzer</title>
    <style>
        :root {
            --primary-color: #1a1a2e;
            --secondary-color: #16213e;
            --accent-color: #0f3460;
            --text-color: #e7e7e7;
            --highlight-color: #4cc9f0;
            --gradient-1: #4361ee;
            --gradient-2: #3a0ca3;
            --gradient-3: #7209b7;
            --gradient-4: #f72585;
        }

        * {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
            font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
        }

        body {
            background-color: var(--primary-color);
            color: var(--text-color);
            overflow: hidden;
            display: flex;
            flex-direction: column;
            min-height: 100vh;
        }

        header {
            background-color: var(--secondary-color);
            padding: 1rem;
            box-shadow: 0 2px 10px rgba(0, 0, 0, 0.3);
            z-index: 10;
        }

        .title {
            text-align: center;
            font-size: 1.8rem;
            font-weight: 600;
            color: var(--highlight-color);
            letter-spacing: 1px;
            text-transform: uppercase;
        }

        .canvas-container {
            flex: 1;
            position: relative;
        }

        #visualizer {
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
        }

        .control-panel {
            position: absolute;
            top: 1rem;
            right: 1rem;
            background-color: rgba(22, 33, 62, 0.8);
            backdrop-filter: blur(10px);
            border-radius: 12px;
            padding: 1.2rem;
            width: 280px;
            box-shadow: 0 4px 20px rgba(0, 0, 0, 0.3);
            z-index: 100;
            transition: transform 0.3s ease;
        }

        .control-panel.collapsed {
            transform: translateX(calc(100% - 50px));
        }

        .toggle-panel {
            position: absolute;
            left: 10px;
            top: 50%;
            transform: translateY(-50%);
            background-color: var(--accent-color);
            border: none;
            color: var(--text-color);
            width: 30px;
            height: 30px;
            border-radius: 50%;
            cursor: pointer;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.2rem;
            transition: background-color 0.2s ease;
        }

        .toggle-panel:hover {
            background-color: var(--highlight-color);
        }

        h2 {
            margin-bottom: 1rem;
            font-size: 1.3rem;
            color: var(--highlight-color);
            text-align: center;
        }

        .control-group {
            margin-bottom: 1.2rem;
        }

        .control-label {
            display: block;
            margin-bottom: 0.5rem;
            font-weight: 500;
            font-size: 0.9rem;
            color: var(--text-color);
        }

        .btn {
            background-color: var(--accent-color);
            color: var(--text-color);
            border: none;
            border-radius: 8px;
            padding: 0.7rem 1rem;
            font-size: 1rem;
            cursor: pointer;
            transition: all 0.2s ease;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 0.5rem;
            width: 100%;
        }

        .btn:hover {
            background-color: var(--highlight-color);
            color: var(--primary-color);
        }

        .btn:disabled {
            opacity: 0.6;
            cursor: not-allowed;
        }

        .btn-record {
            background-color: #e63946;
        }

        .btn-record:hover {
            background-color: #ff6b6b;
        }

        .btn-record.recording {
            animation: pulse 1.5s infinite;
        }

        @keyframes pulse {
            0% {
                background-color: #e63946;
            }
            50% {
                background-color: #ff6b6b;
            }
            100% {
                background-color: #e63946;
            }
        }

        .range-slider {
            width: 100%;
            margin: 0.5rem 0;
        }

        .slider-container {
            display: flex;
            align-items: center;
            gap: 1rem;
        }

        .slider-value {
            width: 50px;
            text-align: center;
            font-size: 0.9rem;
            color: var(--highlight-color);
        }

        .radio-group {
            display: flex;
            gap: 0.8rem;
            margin-top: 0.5rem;
        }

        .radio-option {
            display: flex;
            align-items: center;
            gap: 0.3rem;
            cursor: pointer;
        }

        .radio-option input {
            cursor: pointer;
        }

        .status-indicator {
            display: flex;
            align-items: center;
            gap: 0.5rem;
            margin-top: 1rem;
            padding: 0.5rem;
            border-radius: 8px;
            background-color: rgba(15, 52, 96, 0.5);
        }

        .status-dot {
            width: 10px;
            height: 10px;
            border-radius: 50%;
            background-color: #6c757d;
        }

        .status-dot.active {
            background-color: #4cc9f0;
            box-shadow: 0 0 8px #4cc9f0;
            animation: glow 1.5s infinite alternate;
        }

        @keyframes glow {
            from {
                box-shadow: 0 0 5px #4cc9f0;
            }
            to {
                box-shadow: 0 0 12px #4cc9f0;
            }
        }

        .status-text {
            font-size: 0.9rem;
        }

        @media (max-width: 768px) {
            .control-panel {
                width: 250px;
            }

            .title {
                font-size: 1.5rem;
            }
        }
    </style>
</head>
<body>
    <header>
        <h1 class="title">3D Audio Spectrum Analyzer</h1>
    </header>

    <div class="canvas-container">
        <canvas id="visualizer"></canvas>
    </div>

    <div class="control-panel">
        <button class="toggle-panel">≡</button>
        <h2>Control Panel</h2>

        <div class="control-group">
            <button id="startBtn" class="btn btn-record">
                <span class="btn-icon">◉</span> Start Microphone
            </button>
        </div>

        <div class="control-group">
            <label class="control-label">Color Scheme</label>
            <div class="radio-group">
                <label class="radio-option">
                    <input type="radio" name="colorScheme" value="blue" checked>
                    <span>Blue</span>
                </label>
                <label class="radio-option">
                    <input type="radio" name="colorScheme" value="red">
                    <span>Red</span>
                </label>
                <label class="radio-option">
                    <input type="radio" name="colorScheme" value="rainbow">
                    <span>Rainbow</span>
                </label>
            </div>
        </div>

        <div class="control-group">
            <label class="control-label">Frequency Range</label>
            <div class="slider-container">
                <input type="range" class="range-slider" id="frequencyRange" min="0" max="100" value="100">
                <span class="slider-value" id="frequencyValue">100%</span>
            </div>
        </div>

        <div class="control-group">
            <label class="control-label">Sensitivity</label>
            <div class="slider-container">
                <input type="range" class="range-slider" id="sensitivityRange" min="1" max="10" value="5">
                <span class="slider-value" id="sensitivityValue">5</span>
            </div>
        </div>

        <div class="control-group">
            <label class="control-label">3D Effect Depth</label>
            <div class="slider-container">
                <input type="range" class="range-slider" id="depthRange" min="1" max="10" value="5">
                <span class="slider-value" id="depthValue">5</span>
            </div>
        </div>

        <div class="status-indicator">
            <div class="status-dot" id="statusDot"></div>
            <div class="status-text" id="statusText">Waiting for microphone...</div>
        </div>
    </div>

    <script src="https://cdn.jsdelivr.net/npm/three@0.132.2/build/three.min.js"></script>

    <script>
        class AudioVisualizer {
            constructor() {
                // DOM elements
                this.canvas = document.getElementById('visualizer');
                this.startBtn = document.getElementById('startBtn');
                this.statusDot = document.getElementById('statusDot');
                this.statusText = document.getElementById('statusText');
                this.frequencyRange = document.getElementById('frequencyRange');
                this.frequencyValue = document.getElementById('frequencyValue');
                this.sensitivityRange = document.getElementById('sensitivityRange');
                this.sensitivityValue = document.getElementById('sensitivityValue');
                this.depthRange = document.getElementById('depthRange');
                this.depthValue = document.getElementById('depthValue');
                this.togglePanel = document.querySelector('.toggle-panel');
                this.controlPanel = document.querySelector('.control-panel');
                this.colorOptions = document.querySelectorAll('input[name="colorScheme"]');

                // Audio context and analyzer
                this.audioContext = null;
                this.analyser = null;
                this.dataArray = null;
                this.source = null;
                this.isRecording = false;

                // Three.js variables
                this.scene = null;
                this.camera = null;
                this.renderer = null;
                this.terrain = null;
                this.colorScheme = 'blue';
                this.maxFrequencyPercent = 100;
                this.sensitivity = 5;
                this.depth = 5;

                // Grid size for the 3D visualization
                this.gridSize = 64;
                this.vertices = [];
                this.heights = [];

                this.init();
            }

            init() {
                // Initialize Three.js
                this.initThree();
                
                // Initialize UI controls
                this.initControls();
                
                // Start render loop
                this.animate();
                
                // Handle window resize
                window.addEventListener('resize', () => this.onWindowResize());
            }

            initThree() {
                // Create scene
                this.scene = new THREE.Scene();
                
                // Create camera
                this.camera = new THREE.PerspectiveCamera(60, window.innerWidth / window.innerHeight, 0.1, 1000);
                this.camera.position.set(0, 25, 50);
                this.camera.lookAt(0, 0, 0);
                
                // Create renderer
                this.renderer = new THREE.WebGLRenderer({ canvas: this.canvas, antialias: true });
                this.renderer.setSize(window.innerWidth, window.innerHeight);
                this.renderer.setClearColor(0x1a1a2e);
                
                // Add ambient light
                const ambientLight = new THREE.AmbientLight(0xffffff, 0.4);
                this.scene.add(ambientLight);
                
                // Add directional light
                const directionalLight = new THREE.DirectionalLight(0xffffff, 0.8);
                directionalLight.position.set(1, 1, 1);
                this.scene.add(directionalLight);
                
                // Create the terrain mesh
                this.createTerrain();
            }

            createTerrain() {
                // Create grid geometry
                const geometry = new THREE.PlaneGeometry(60, 60, this.gridSize - 1, this.gridSize - 1);
                geometry.rotateX(-Math.PI / 2);
                
                // Store original vertices
                this.vertices = geometry.attributes.position.array;
                this.heights = new Array(this.vertices.length / 3).fill(0);
                
                // Create material
                const material = new THREE.MeshStandardMaterial({
                    color: 0x4cc9f0,
                    wireframe: false,
                    flatShading: true,
                    metalness: 0.3,
                    roughness: 0.7,
                    vertexColors: true
                });
                
                // Create vertex colors
                const count = geometry.attributes.position.count;
                const colors = new Float32Array(count * 3);
                
                for (let i = 0; i < count; i++) {
                    const x = geometry.attributes.position.array[i * 3];
                    const z = geometry.attributes.position.array[i * 3 + 2];
                    const distance = Math.sqrt(x * x + z * z);
                    const normalizedDistance = Math.min(1, distance / 30);
                    
                    // Default blue color scheme
                    colors[i * 3] = 0.2 + normalizedDistance * 0.2; // R
                    colors[i * 3 + 1] = 0.5 + normalizedDistance * 0.3; // G
                    colors[i * 3 + 2] = 0.8; // B
                }
                
                geometry.setAttribute('color', new THREE.BufferAttribute(colors, 3));
                
                // Create and add mesh
                this.terrain = new THREE.Mesh(geometry, material);
                this.terrain.position.y = -10;
                this.scene.add(this.terrain);
            }

            updateTerrainColors() {
                const colors = this.terrain.geometry.attributes.color.array;
                const count = this.terrain.geometry.attributes.position.count;
                
                for (let i = 0; i < count; i++) {
                    const x = this.terrain.geometry.attributes.position.array[i * 3];
                    const z = this.terrain.geometry.attributes.position.array[i * 3 + 2];
                    const distance = Math.sqrt(x * x + z * z);
                    const normalizedDistance = Math.min(1, distance / 30);
                    const height = this.heights[i] / 10; // Normalized height
                    
                    // Apply different color schemes
                    if (this.colorScheme === 'blue') {
                        colors[i * 3] = 0.2 + normalizedDistance * 0.2; // R
                        colors[i * 3 + 1] = 0.5 + normalizedDistance * 0.3; // G
                        colors[i * 3 + 2] = 0.8 - height * 0.3; // B
                    } else if (this.colorScheme === 'red') {
                        colors[i * 3] = 0.8 - height * 0.3; // R
                        colors[i * 3 + 1] = 0.2 + normalizedDistance * 0.2; // G
                        colors[i * 3 + 2] = 0.3 + normalizedDistance * 0.3; // B
                    } else if (this.colorScheme === 'rainbow') {
                        // Rainbow color scheme
                        const hue = (normalizedDistance + height) * 360;
                        const saturation = 0.8;
                        const lightness = 0.5 + height * 0.3;
                        
                        // Convert HSL to RGB
                        const c = (1 - Math.abs(2 * lightness - 1)) * saturation;
                        const x = c * (1 - Math.abs((hue / 60) % 2 - 1));
                        const m = lightness - c / 2;
                        let r, g, b;
                        
                        if (hue < 60) {
                            [r, g, b] = [c, x, 0];
                        } else if (hue < 120) {
                            [r, g, b] = [x, c, 0];
                        } else if (hue < 180) {
                            [r, g, b] = [0, c, x];
                        } else if (hue < 240) {
                            [r, g, b] = [0, x, c];
                        } else if (hue < 300) {
                            [r, g, b] = [x, 0, c];
                        } else {
                            [r, g, b] = [c, 0, x];
                        }
                        
                        colors[i * 3] = r + m;
                        colors[i * 3 + 1] = g + m;
                        colors[i * 3 + 2] = b + m;
                    }
                }
                
                this.terrain.geometry.attributes.color.needsUpdate = true;
            }

            animate() {
                requestAnimationFrame(() => this.animate());
                
                // Update terrain based on audio data
                if (this.isRecording && this.dataArray) {
                    this.updateTerrainGeometry();
                } else {
                    // Idle animation when not recording
                    this.idleAnimation();
                }
                
                // Render scene
                this.renderer.render(this.scene, this.camera);
            }

            updateTerrainGeometry() {
                // Get frequency data
                this.analyser.getByteFrequencyData(this.dataArray);
                
                // Calculate the number of frequency bins to use based on the frequency range slider
                const maxBinIndex = Math.floor(this.dataArray.length * (this.maxFrequencyPercent / 100));
                
                // Update vertices based on frequency data
                for (let i = 0; i < this.gridSize; i++) {
                    for (let j = 0; j < this.gridSize; j++) {
                        const index = i * this.gridSize + j;
                        const vertexIndex = index * 3 + 1; // Y component
                        
                        // Map grid position to frequency bin
                        const binIndex = Math.floor((i * this.gridSize + j) * maxBinIndex / (this.gridSize * this.gridSize));
                        
                        // Get amplitude from frequency data
                        const amplitude = this.dataArray[binIndex] / 255.0;
                        
                        // Apply sensitivity multiplier
                        const heightValue = amplitude * (this.sensitivity * 2);
                        
                        // Apply depth effect
                        const distanceFromCenter = Math.sqrt(
                            Math.pow((i - this.gridSize / 2) / (this.gridSize / 2), 2) +
                            Math.pow((j - this.gridSize / 2) / (this.gridSize / 2), 2)
                        );
                        
                        // Apply distance falloff based on depth setting
                        const falloff = Math.max(0, 1 - distanceFromCenter * (1 - this.depth / 10));
                        
                        // Calculate new height
                        this.heights[index] = heightValue * 10 * falloff;
                        
                        // Update vertex position
                        this.vertices[vertexIndex] = this.heights[index];
                    }
                }
                
                // Update colors
                this.updateTerrainColors();
                
                // Update geometry
                this.terrain.geometry.attributes.position.needsUpdate = true;
            }

            idleAnimation() {
                // Simple idle wave animation
                const time = Date.now() * 0.001;
                
                for (let i = 0; i < this.gridSize; i++) {
                    for (let j = 0; j < this.gridSize; j++) {
                        const index = i * this.gridSize + j;
                        const vertexIndex = index * 3 + 1; // Y component
                        
                        const x = (i - this.gridSize / 2) / 5;
                        const z = (j - this.gridSize / 2) / 5;
                        
                        // Generate a gentle wave pattern
                        const height = Math.sin(x + time) * Math.cos(z + time) * 0.5;
                        
                        // Store height for color calculations
                        this.heights[index] = height * 3;
                        
                        // Update vertex position
                        this.vertices[vertexIndex] = height * 3;
                    }
                }
                
                // Update colors
                this.updateTerrainColors();
                
                // Update geometry
                this.terrain.geometry.attributes.position.needsUpdate = true;
            }

            onWindowResize() {
                // Update camera aspect ratio
                this.camera.aspect = window.innerWidth / window.innerHeight;
                this.camera.updateProjectionMatrix();
                
                // Update renderer size
                this.renderer.setSize(window.innerWidth, window.innerHeight);
            }

            async startMicrophone() {
                try {
                    // Request microphone access
                    const stream = await navigator.mediaDevices.getUserMedia({ audio: true });
                    
                    // Create audio context
                    this.audioContext = new (window.AudioContext || window.webkitAudioContext)();
                    
                    // Create analyzer
                    this.analyser = this.audioContext.createAnalyser();
                    this.analyser.fftSize = 2048;
                    this.analyser.smoothingTimeConstant = 0.85;
                    
                    // Create buffer for frequency data
                    this.dataArray = new Uint8Array(this.analyser.frequencyBinCount);
                    
                    // Connect microphone to analyzer
                    this.source = this.audioContext.createMediaStreamSource(stream);
                    this.source.connect(this.analyser);
                    
                    // Update UI
                    this.isRecording = true;
                    this.updateUIState();
                    
                } catch (error) {
                    console.error('Error accessing microphone:', error);
                    this.statusText.textContent = 'Microphone access denied';
                }
            }

            stopMicrophone() {
                if (this.source) {
                    this.source.disconnect();
                    this.source = null;
                }
                
                if (this.audioContext) {
                    this.audioContext.close().then(() => {
                        this.audioContext = null;
                        this.analyser = null;
                        this.dataArray = null;
                        
                        this.isRecording = false;
                        this.updateUIState();
                    });
                } else {
                    this.isRecording = false;
                    this.updateUIState();
                }
            }

            updateUIState() {
                if (this.isRecording) {
                    this.startBtn.innerHTML = '<span class="btn-icon">■</span> Stop Microphone';
                    this.startBtn.classList.add('recording');
                    this.statusDot.classList.add('active');
                    this.statusText.textContent = 'Microphone active';
                } else {
                    this.startBtn.innerHTML = '<span class="btn-icon">◉</span> Start Microphone';
                    this.startBtn.classList.remove('recording');
                    this.statusDot.classList.remove('active');
                    this.statusText.textContent = 'Microphone inactive';
                }
            }

            initControls() {
                // Start/stop button
                this.startBtn.addEventListener('click', () => {
                    if (this.isRecording) {
                        this.stopMicrophone();
                    } else {
                        this.startMicrophone();
                    }
                });
                
                // Frequency range slider
                this.frequencyRange.addEventListener('input', (e) => {
                    this.maxFrequencyPercent = parseInt(e.target.value);
                    this.frequencyValue.textContent = `${this.maxFrequencyPercent}%`;
                });
                
                // Sensitivity slider
                this.sensitivityRange.addEventListener('input', (e) => {
                    this.sensitivity = parseInt(e.target.value);
                    this.sensitivityValue.textContent = this.sensitivity;
                });
                
                // Depth slider
                this.depthRange.addEventListener('input', (e) => {
                    this.depth = parseInt(e.target.value);
                    this.depthValue.textContent = this.depth;
                });
                
                // Color scheme radio buttons
                this.colorOptions.forEach(option => {
                    option.addEventListener('change', (e) => {
                        this.colorScheme = e.target.value;
                        this.updateTerrainColors();
                    });
                });
                
                // Toggle panel button
                this.togglePanel.addEventListener('click', () => {
                    this.controlPanel.classList.toggle('collapsed');
                    this.togglePanel.textContent = this.controlPanel.classList.contains('collapsed') ? '≫' : '≡';
                });
            }
        }

        // Initialize the visualizer when the page loads
        window.addEventListener('DOMContentLoaded', () => {
            new AudioVisualizer();
        });
    </script>
</body>
</html>