Function _attach_profile_and_presence

Scripts/ButSystem.py:10136–10165

_attach_profile_and_presence. Internal helper function. This docstring was expanded to make future maintenance easier. Returns: Varies.

()

    canvasEl.width = w; canvasEl.height = h;
  }
  function stopLive(){
    if(liveLoop){ cancelAnimationFrame(liveLoop); liveLoop = null; }
    try{ if(cameraActive && typeof cameraActive.stop === 'function'){ cameraActive.stop(); } }catch(e){}
    cameraActive = null;
    if(stream){ try{ stream.getTracks().forEach(t=>t.stop()); }catch(e){} }
    stream = null;
    if(videoEl.srcObject){ try{ videoEl.srcObject.getTracks().forEach(t=>t.stop()); }catch(e){} }
    videoEl.srcObject = null;
    try{ videoEl.pause(); }catch(e){}
  }
  function stopUploadMedia(){
    if(uploadLoop){ cancelAnimationFrame(uploadLoop); uploadLoop = null; }
    if(uploadedVideo){ try{ uploadedVideo.pause(); }catch(e){} if(uploadedVideo.src && uploadedVideo.src.startsWith('blob:')){ try{ URL.revokeObjectURL(uploadedVideo.src); }catch(e){} } }
    if(uploadedImage && uploadedImage.src && uploadedImage.src.startsWith('blob:')){ try{ URL.revokeObjectURL(uploadedImage.src); }catch(e){} }
    uploadedImage = null; uploadedVideo = null;
  }
  function calcDist(p1, p2) { return Math.sqrt(Math.pow(p1.x - p2.x, 2) + Math.pow(p1.y - p2.y, 2)); }
  function calcAngle(p1, p2) { return Math.atan2(p2.y - p1.y, p2.x - p1.x) * 180 / Math.PI; }
  function getEmotion(landmarks, faceWidth, faceHeight) {
      const mouthOpen = calcDist(landmarks[13], landmarks[14]) / faceHeight;
      const mouthWidth = calcDist(landmarks[61], landmarks[291]) / faceWidth;
      const browInnerDist = calcDist(landmarks[55], landmarks[285]) / faceWidth;
      const eyeOpen = (calcDist(landmarks[159], landmarks[145]) + calcDist(landmarks[386], landmarks[374])) / (2 * faceHeight);
      if (mouthOpen > 0.08 && eyeOpen > 0.045) return (I18N.emotionSurprised || 'SURPRISED') + ' 😲';
      if (mouthWidth > 0.40 && mouthOpen > 0.02) return (I18N.emotionHappy || 'HAPPY') + ' 😊';
      if (browInnerDist < 0.22 && eyeOpen < 0.035) return (I18N.emotionAngry || 'ANGRY') + ' 😠';
      if (mouthWidth < 0.32 && mouthOpen < 0.02) return (I18N.emotionSad || 'SAD') + ' 😔';
      return (I18N.emotionNeutral || 'NEUTRAL') + ' 😐';
  }

  if (typeof FaceMesh === 'undefined') { setStatus('MediaPipe failed to load. Refresh the page and try again.'); return; }
  const faceMesh = new FaceMesh({ locateFile: (file) => `https://cdn.jsdelivr.net/npm/@mediapipe/face_mesh/${file}` });
  faceMesh.setOptions({ maxNumFaces: 3, refineLandmarks: true, minDetectionConfidence: 0.6, minTrackingConfidence: 0.6 });