script.js

const video = document.getElementById('video');

Promise.all([
    faceapi.nets.tinyFaceDetector.loadFromUri('./models'),
    faceapi.nets.faceLandmark68Net.loadFromUri('./models'),
    faceapi.nets.faceRecognitionNet.loadFromUri('./models'),
    faceapi.nets.faceExpressionNet.loadFromUri('./models'),
]).then(startVideo).catch(err => console.error('Error loading models:', err));

async function startVideo() {
    try {
        const stream = await navigator.mediaDevices.getUserMedia({ video: {} });
        video.srcObject = stream;
    } catch (err) {
        console.error('Error accessing webcam:', err);
    }
}

video.addEventListener('play', () => {
    const canvas = faceapi.createCanvasFromMedia(video);
    document.body.append(canvas);
    const displaySize = { width: video.width, height: video.height };
    faceapi.matchDimensions(canvas, displaySize);

    setInterval(async () => {
        const detections = await faceapi.detectAllFaces(video, new faceapi.TinyFaceDetectorOptions()).withFaceLandmarks().withFaceExpressions();
        const resizedDetections = faceapi.resizeResults(detections, displaySize);
        const context = canvas.getContext('2d');
        context.clearRect(0, 0, canvas.width, canvas.height);
        faceapi.draw.drawDetections(canvas, resizedDetections);
        faceapi.draw.drawFaceLandmarks(canvas, resizedDetections);
        faceapi.draw.drawFaceExpressions(canvas, resizedDetections);
    }, 100);
});