GCMND/gesture-control.html at main · blessedux/GCMND · GitHub

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<!DOCTYPE html>
<html>
<head>
    <title>Gesture Mouse Control</title>
    <style>
        body {
            font-family: Arial, sans-serif;
            margin: 0;
            padding: 20px;
            background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
            color: white;
            min-height: 100vh;
        }

        .container {
            max-width: 800px;
            margin: 0 auto;
            text-align: center;
        }

        h1 {
            font-size: 2.5em;
            margin-bottom: 10px;
            text-shadow: 2px 2px 4px rgba(0,0,0,0.3);
        }

        .controls {
            margin: 30px 0;
        }

        button {
            padding: 15px 30px;
            font-size: 18px;
            margin: 10px;
            border: none;
            border-radius: 10px;
            cursor: pointer;
            font-weight: bold;
            transition: all 0.3s ease;
        }

        .start-btn {
            background: #4CAF50;
            color: white;
        }

        .start-btn:hover { background: #45a049; }
        .start-btn:disabled { background: #cccccc; cursor: not-allowed; }

        .stop-btn {
            background: #f44336;
            color: white;
        }

        .stop-btn:hover { background: #da190b; }
        .stop-btn:disabled { background: #cccccc; cursor: not-allowed; }

        .video-container {
            position: relative;
            margin: 20px auto;
            width: 400px;
            height: 300px;
            border: 3px solid #fff;
            border-radius: 10px;
            overflow: hidden;
            background: #000;
        }

        #video {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }

        .status {
            padding: 15px;
            margin: 20px 0;
            border-radius: 10px;
            font-weight: bold;
            font-size: 16px;
            background: rgba(255,255,255,0.1);
            backdrop-filter: blur(10px);
        }

        .status.active {
            background: rgba(76, 175, 80, 0.3);
            border: 2px solid #4CAF50;
        }

        .status.error {
            background: rgba(244, 67, 54, 0.3);
            border: 2px solid #f44336;
        }

        .instructions {
            background: rgba(255,255,255,0.1);
            padding: 20px;
            border-radius: 10px;
            margin: 20px 0;
            backdrop-filter: blur(10px);
        }

        .instructions h3 {
            margin-top: 0;
            color: #ffd700;
        }

        .instructions ul {
            text-align: left;
            max-width: 400px;
            margin: 0 auto;
        }

        .instructions li {
            margin: 10px 0;
            line-height: 1.5;
        }

        .sensitivity-control {
            margin: 20px 0;
        }

        .sensitivity-control label {
            display: block;
            margin-bottom: 10px;
            font-weight: bold;
        }

        input[type="range"] {
            width: 200px;
            margin: 10px;
        }

        .sensitivity-value {
            font-weight: bold;
            color: #ffd700;
        }
    </style>
</head>
<body>
    <div class="container">
        <h1>🎯 Gesture Mouse Control</h1>

        <div class="controls">
            <button id="startBtn" class="start-btn">Start Gesture Control</button>
            <button id="stopBtn" class="stop-btn" disabled>Stop Gesture Control</button>
        </div>

        <div class="sensitivity-control">
            <label for="sensitivity">Sensitivity:</label>
            <input type="range" id="sensitivity" min="1" max="10" value="5">
            <span class="sensitivity-value" id="sensitivityValue">5</span>
        </div>

        <div id="status" class="status">Ready to start</div>

        <div class="video-container">
            <video id="video" autoplay muted playsinline></video>
        </div>

        <div class="instructions">
            <h3>How to use:</h3>
            <ul>
                <li>🖐️ <strong>Move your hand</strong> to control the mouse cursor</li>
                <li>👌 <strong>Pinch your thumb and index finger</strong> to click</li>
                <li>🎯 <strong>Point with your index finger</strong> for precise control</li>
                <li>⚙️ <strong>Adjust sensitivity</strong> if movement is too fast or slow</li>
            </ul>
        </div>
    </div>

    <script src="https://cdn.jsdelivr.net/npm/@mediapipe/camera_utils/camera_utils.js"></script>
    <script src="https://cdn.jsdelivr.net/npm/@mediapipe/control_utils/control_utils.js"></script>
    <script src="https://cdn.jsdelivr.net/npm/@mediapipe/drawing_utils/drawing_utils.js"></script>
    <script src="https://cdn.jsdelivr.net/npm/@mediapipe/hands/hands.js"></script>

    <script>
        let camera = null;
        let hands = null;
        let isActive = false;
        let sensitivity = 5;

        const startBtn = document.getElementById('startBtn');
        const stopBtn = document.getElementById('stopBtn');
        const video = document.getElementById('video');
        const status = document.getElementById('status');
        const sensitivitySlider = document.getElementById('sensitivity');
        const sensitivityValue = document.getElementById('sensitivityValue');

        // Update sensitivity display
        sensitivitySlider.addEventListener('input', function() {
            sensitivity = parseInt(this.value);
            sensitivityValue.textContent = sensitivity;
        });

        // Start gesture control
        startBtn.addEventListener('click', async () => {
            try {
                startBtn.disabled = true;
                startBtn.textContent = 'Starting...';
                updateStatus('Requesting camera access...', '');

                // Request camera
                const stream = await navigator.mediaDevices.getUserMedia({
                    video: {
                        width: { ideal: 640 },
                        height: { ideal: 480 }
                    }
                });

                video.srcObject = stream;
                updateStatus('Camera access granted! Setting up gesture detection...', '');

                // Setup MediaPipe
                await setupMediaPipe();

                // Start processing
                camera = new Camera(video, {
                    onFrame: async () => {
                        if (hands) {
                            await hands.send({ image: video });
                        }
                    },
                    width: 640,
                    height: 480
                });

                await camera.start();

                isActive = true;
                startBtn.disabled = true;
                stopBtn.disabled = false;
                updateStatus('Gesture control active! Move your hand to control the mouse.', 'active');

            } catch (error) {
                console.error('Failed to start:', error);
                updateStatus(`Error: ${error.message}`, 'error');
                startBtn.disabled = false;
                startBtn.textContent = 'Start Gesture Control';
            }
        });

        // Stop gesture control
        stopBtn.addEventListener('click', () => {
            stopCamera();
            updateStatus('Gesture control stopped', '');
            startBtn.disabled = false;
            startBtn.textContent = 'Start Gesture Control';
            stopBtn.disabled = true;
        });

        async function setupMediaPipe() {
            console.log('Setting up MediaPipe...');

            hands = new Hands({
                locateFile: (file) => {
                    return `https://cdn.jsdelivr.net/npm/@mediapipe/hands/${file}`;
                }
            });

            hands.setOptions({
                maxNumHands: 1,
                modelComplexity: 1,
                minDetectionConfidence: 0.5,
                minTrackingConfidence: 0.5
            });

            hands.onResults(onResults);
            console.log('MediaPipe setup complete');

            // Test MediaPipe with a simple image
            console.log('Testing MediaPipe with blank image...');
            const canvas = document.createElement('canvas');
            canvas.width = 640;
            canvas.height = 480;
            const ctx = canvas.getContext('2d');
            ctx.fillStyle = 'black';
            ctx.fillRect(0, 0, 640, 480);

            hands.send({ image: canvas }).then(() => {
                console.log('✅ MediaPipe test completed successfully');
            }).catch(error => {
                console.error('❌ MediaPipe test failed:', error);
            });
        }

        function onResults(results) {
            console.log('🎯 onResults called!', results);

            if (!results.multiHandLandmarks || results.multiHandLandmarks.length === 0) {
                console.log('No hand detected');
                return;
            }

            const landmarks = results.multiHandLandmarks[0];
            if (!landmarks) {
                console.log('No landmarks found');
                return;
            }

            console.log('Hand detected! Processing landmarks...');

            // Get hand position (index finger tip)
            const indexTip = landmarks[8];
            const thumbTip = landmarks[4];

            // Convert to screen coordinates with sensitivity
            const screenX = indexTip.x * window.innerWidth * (sensitivity / 5);
            const screenY = indexTip.y * window.innerHeight * (sensitivity / 5);

            console.log(`Hand position: x=${screenX.toFixed(0)}, y=${screenY.toFixed(0)}`);

            // Calculate pinch distance
            const pinchDistance = Math.sqrt(
                Math.pow(thumbTip.x - indexTip.x, 2) +
                Math.pow(thumbTip.y - indexTip.y, 2)
            );

            const isPinching = pinchDistance < 0.1;

            console.log(`Pinch distance: ${pinchDistance.toFixed(3)}, Is pinching: ${isPinching}`);

            // Move mouse cursor
            moveMouse(screenX, screenY);

            // Handle click on pinch
            if (isPinching) {
                console.log('Pinch detected! Triggering click...');
                clickMouse();
            }
        }

        function moveMouse(x, y) {
            console.log(`Moving mouse to: x=${x.toFixed(0)}, y=${y.toFixed(0)}`);
            const event = new MouseEvent('mousemove', {
                view: window,
                bubbles: true,
                cancelable: true,
                clientX: x,
                clientY: y
            });
            document.elementFromPoint(x, y)?.dispatchEvent(event);
        }

        function clickMouse() {
            console.log('Clicking mouse...');
            const event = new MouseEvent('mousedown', {
                view: window,
                bubbles: true,
                cancelable: true,
                button: 0
            });
            document.activeElement?.dispatchEvent(event);

            setTimeout(() => {
                const upEvent = new MouseEvent('mouseup', {
                    view: window,
                    bubbles: true,
                    cancelable: true,
                    button: 0
                });
                document.activeElement?.dispatchEvent(upEvent);
                console.log('Mouse click completed');
            }, 100);
        }

        function stopCamera() {
            if (camera) {
                camera.stop();
                camera = null;
            }

            if (hands) {
                hands.close();
                hands = null;
            }

            if (video.srcObject) {
                video.srcObject.getTracks().forEach(track => track.stop());
                video.srcObject = null;
            }

            isActive = false;
        }

        function updateStatus(message, type) {
            status.textContent = message;
            status.className = `status ${type}`;
            console.log('Status:', message);
        }

        // Cleanup on page unload
        window.addEventListener('beforeunload', stopCamera);
    </script>
</body>
</html>