mmmo/linterna.html at main · los4elementos27-cmd/mmmo · GitHub

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<!DOCTYPE html>
<html lang="es">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Linterna Pro + Flash Real</title>
    <style>
        :root {
            --bg-off: #08080a;
            --bg-on: #121215;
            --flashlight-metal: #2c3e50;
            --flashlight-dark: #1a252f;
            --switch-base: #111;
            --switch-btn: #e74c3c;
            --light-beam: rgba(255, 255, 230, 0.5);
            --light-glow: #fffde0;
            --trans: all 0.3s cubic-bezier(0.23, 1, 0.32, 1);
        }

        body, html {
            height: 100%; width: 100%; overflow: hidden;
            display: flex; align-items: center; justify-content: center;
            background-color: var(--bg-off); transition: background 0.5s;
            font-family: 'Segoe UI', sans-serif;
        }

        /* Haz de luz animado */
        .light-effect {
            position: absolute; top: 50%; left: 50%;
            transform: translate(-50%, -110%) scale(0.5);
            width: 100vw; height: 150vh;
            background: radial-gradient(ellipse at bottom, var(--light-beam) 0%, transparent 70%);
            opacity: 0; filter: blur(30px);
            transition: var(--trans); pointer-events: none; z-index: 1;
        }

        .flashlight-container {
            position: relative; z-index: 10;
            display: flex; flex-direction: column; align-items: center;
        }

        .fl-head {
            width: 90px; height: 45px;
            background: linear-gradient(90deg, #3a536b, var(--flashlight-metal), #3a536b);
            border-radius: 12px 12px 4px 4px; position: relative;
            border-bottom: 4px solid #111;
        }

        .fl-lens {
            position: absolute; top: 8px; left: 15px; right: 15px; height: 12px;
            background: #111; border-radius: 4px; transition: var(--trans);
        }

        .fl-body {
            width: 65px; height: 200px;
            background: linear-gradient(90deg, var(--flashlight-dark), var(--flashlight-metal), var(--flashlight-dark));
            border-radius: 0 0 15px 15px; position: relative;
            display: flex; justify-content: center; padding-top: 40px;
            box-shadow: 0 20px 40px rgba(0,0,0,0.7);
        }

        .switch-area {
            width: 28px; height: 70px; background: var(--switch-base);
            border-radius: 14px; position: relative; cursor: pointer;
            box-shadow: inset 0 2px 8px rgba(0,0,0,0.8);
        }

        .switch-handle {
            width: 22px; height: 35px;
            background: linear-gradient(to bottom, #ff6b6b, var(--switch-btn));
            border-radius: 11px; position: absolute;
            top: 32px; left: 3px; transition: var(--trans);
        }

        /* Activación */
        body.on { background-color: var(--bg-on); }
        body.on .switch-handle { top: 3px; background: linear-gradient(to bottom, #8eff8e, #2ecc71); }
        body.on .fl-lens { background: var(--light-glow); box-shadow: 0 0 20px 8px rgba(255, 253, 224, 0.8); }
        body.on .light-effect { opacity: 1; transform: translate(-50%, -110%) scale(1); }

        .info {
            position: absolute; bottom: 40px; color: #555;
            font-size: 10px; letter-spacing: 3px; text-transform: uppercase;
        }
    </style>
</head>
<body>

    <div class="light-effect"></div>

    <div class="flashlight-container">
        <div class="fl-head"><div class="fl-lens"></div></div>
        <div class="fl-body">
            <div class="switch-area" id="btnToggle">
                <div class="switch-handle"></div>
            </div>
        </div>
    </div>

    <div class="info" id="status">Toca para activar flash</div>

    <script>
        const btn = document.getElementById('btnToggle');
        const body = document.body;
        const status = document.getElementById('status');

        let stream = null;
        let track = null;

        async function initFlash() {
            try {
                // Solicita acceso a la cámara trasera
                stream = await navigator.mediaDevices.getUserMedia({
                    video: { facingMode: { exact: "environment" } }
                });
                track = stream.getVideoTracks()[0];
                status.innerText = "Flash Listo";
            } catch (err) {
                console.error("No se pudo acceder al flash:", err);
                status.innerText = "Flash no disponible";
            }
        }

        async function toggleFlash() {
            const isOn = body.classList.toggle('on');

            // Intentar controlar el flash físico
            if (track) {
                try {
                    await track.applyConstraints({
                        advanced: [{ torch: isOn }]
                    });
                } catch (e) {
                    console.warn("El navegador no soporta el control del flash.");
                }
            }

            if (navigator.vibrate) navigator.vibrate(isOn ? 60 : 30);
            status.innerText = isOn ? "Encendido" : "Apagado";
        }

        // Inicializar al primer toque (obligatorio por políticas de navegador)
        btn.addEventListener('click', () => {
            if (!track) {
                initFlash().then(() => toggleFlash());
            } else {
                toggleFlash();
            }
        });
    </script>
</body>
</html>