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43 lines
1.1 KiB
43 lines
1.1 KiB
import { Hands } from '@mediapipe/hands';
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import { Camera } from '@mediapipe/camera_utils';
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const videoElement = document.createElement('video');
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videoElement.style.display = 'none';
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document.body.appendChild(videoElement);
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const hands = new Hands({
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locateFile: (file) => `https://cdn.jsdelivr.net/npm/@mediapipe/hands/${file}`,
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});
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hands.setOptions({
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maxNumHands: 1,
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modelComplexity: 1,
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minDetectionConfidence: 0.7,
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minTrackingConfidence: 0.7,
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});
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hands.onResults((results) => {
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if (results.multiHandLandmarks && results.multiHandLandmarks.length > 0) {
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const landmarks = results.multiHandLandmarks[0];
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// 检测食指是否伸出：tip高于pip（y坐标更小）
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const tip = landmarks[8]; // 食指指尖
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const pip = landmarks[6]; // 第二个关节
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if (tip.y < pip.y) {
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console.log('✅ 食指伸出');
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} else {
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console.log('❌ 食指未伸出');
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}
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}
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});
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const camera = new Camera(videoElement, {
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onFrame: async () => {
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await hands.send({ image: videoElement });
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},
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width: 640,
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height: 480,
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});
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camera.start();
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