TronArese/index.html at main · arcesoftware/TronArese · GitHub

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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>BioDigitalSim | Semantic Grid V4</title>
    <style>
        :root {
            --cyan: #00f2ff;
            --magenta: #ff00ff;
            --bg: #020205;
            --glass: rgba(0, 242, 255, 0.05);
        }

        body {
            margin:0;
            background: var(--bg);
            overflow: hidden;
            font-family: 'Segoe UI', 'Courier New', monospace;
            color: var(--cyan);
        }

        /* Semantic Layout Components */
        header {
            position: fixed;
            top: 0; width: 100%;
            padding: 20px;
            z-index: 10;
            background: linear-gradient(to bottom, rgba(2,2,5,0.8), transparent);
            display: flex;
            justify-content: space-between;
        }

        main {
            width: 100vw;
            height: 100vh;
            display: flex;
            align-items: center;
            justify-content: center;
        }

        /* The Semantic HUD */
        .hud-box {
            border-left: 3px solid var(--magenta);
            padding: 10px 20px;
            background: var(--glass);
            backdrop-filter: blur(5px);
            text-transform: uppercase;
            font-size: 12px;
            letter-spacing: 1px;
        }

        footer {
            position: fixed;
            bottom: 20px;
            left: 20px;
            font-size: 10px;
            opacity: 0.6;
        }

        canvas {
            display:block;
            filter: contrast(1.2) brightness(1.1) drop-shadow(0 0 10px var(--cyan));
        }

        /* Screen Reader Only (Accessibility) */
        .sr-only {
            position: absolute;
            width: 1px;
            height: 1px;
            padding: 0;
            margin: -1px;
            overflow: hidden;
            clip: rect(0,0,0,0);
            border: 0;
        }
    </style>
</head>
<body>

    <header>
        <section class="hud-box" aria-label="System Status">
            <h1 style="font-size: 14px; margin: 0;">BioDigital_OS</h1>
            <div style="color: var(--magenta)">Grid_Status: <span id="status">STANDBY</span></div>
        </section>

        <nav class="hud-box" aria-label="Control Legend">
            <div>SPACE: REPLAY</div>
            <div>ESC: RESET</div>
        </nav>
    </header>

    <main>
        <h2 class="sr-only">3D Frequency Spectral Analyzer</h2>
        <canvas id="canvas"></canvas>
    </main>

    <article class="sr-only">
        <h3>Simulation Parameters</h3>
        <p>This simulation visualizes bird frequency data using a 3D spectral waterfall.
           It utilizes standard physical constants to map audio amplitude to geometric displacement.</p>
    </article>

    <footer>
        &copy; 2026 TRON_ARESE_V4 // TERMINAL_ID: 8892-X
    </footer>

<script>
// --- [Core Logic from your Original Script] ---
const canvas = document.getElementById("canvas");
const ctx = canvas.getContext("2d");
const statusText = document.getElementById("status");
let audioCtx, analyser, dataArray, source, audioBuffer;
let history = [];
const maxHistory = 80;

let angleX = -0.3; let angleY = 0.4; let zoom = 1.0;
let isPlaying = false;

function resize() {
    canvas.width = window.innerWidth;
    canvas.height = window.innerHeight;
}
window.addEventListener("resize", resize);
resize();

// Input Controls
window.addEventListener("mousemove", (e) => {
    angleY = (e.clientX / window.innerWidth - 0.5) * 2;
    angleX = (e.clientY / window.innerHeight - 0.5) * 1;
});

window.addEventListener("keydown", (e) => {
    if (e.code === "Space" && audioBuffer) {
        if (source) source.stop();
        playBuffer();
    }
    if (e.key === "Escape") { angleX = -0.3; angleY = 0.4; zoom = 1.0; }
});

async function initAudio() {
    audioCtx = new (window.AudioContext || window.webkitAudioContext)();
    analyser = audioCtx.createAnalyser();
    analyser.fftSize = 256;

    statusText.innerText = "LOADING_ASSETS...";

    try {
        // Note: You will need 'test1.mp3' in the same folder
        const response = await fetch('test3.mp3');
        const ab = await response.arrayBuffer();
        audioBuffer = await audioCtx.decodeAudioData(ab);
        playBuffer();
        statusText.innerText = "ACTIVE";
        loop();
    } catch(err) {
        statusText.innerText = "ERROR: NO_SOURCE";
        console.error("Audio failed to load", err);
    }
}

function playBuffer() {
    source = audioCtx.createBufferSource();
    source.buffer = audioBuffer;
    source.connect(analyser);
    analyser.connect(audioCtx.destination);
    source.start(0);
    isPlaying = true;
}

function project(x, y, z) {
    let cosY = Math.cos(angleY), sinY = Math.sin(angleY);
    let x1 = x * cosY - z * sinY;
    let z1 = x * sinY + z * cosY;
    let cosX = Math.cos(angleX), sinX = Math.sin(angleX);
    let y1 = y * cosX - z1 * sinX;
    let z2 = y * sinX + z1 * cosX;
    const p = 1000 / (1000 + z2);
    return { x: (x1 * p) + window.innerWidth / 2, y: (y1 * p) + window.innerHeight / 2 };
}

function loop() {
    ctx.fillStyle = "#020205";
    ctx.fillRect(0, 0, canvas.width, canvas.height);

    const data = new Uint8Array(analyser.frequencyBinCount);
    analyser.getByteFrequencyData(data);
    history.unshift(new Uint8Array(data));
    if (history.length > maxHistory) history.pop();

    history.forEach((frame, zIdx) => {
        ctx.beginPath();
        const opacity = 1 - (zIdx / maxHistory);
        const zPos = (zIdx * 10) - 400;

        for (let i = 0; i < frame.length; i++) {
            const xPos = (i * 12) - (frame.length * 6);
            const val = frame[i] / 255;
            const yPos = 100 - (val * 300);

            const pt = project(xPos, yPos, zPos);

            ctx.strokeStyle = `rgba(0, 242, 255, ${opacity * 0.5})`;
            if (i === 0) ctx.moveTo(pt.x, pt.y);
            else ctx.lineTo(pt.x, pt.y);
        }
        ctx.stroke();
    });

    requestAnimationFrame(loop);
}

// Start on first click
window.addEventListener('click', () => { if(!isPlaying) initAudio(); }, {once: true});
</script>
</body>
</html>