private Rect GetHeadJointFaceRect(long userId)
{
Rect faceJointRect = new Rect();
if (useTrackedFaceRect && faceManager &&
faceManager.IsFaceTrackingInitialized() && faceManager.IsTrackingFace(userId))
{
faceJointRect = faceManager.GetFaceColorRect(userId);
return(faceJointRect);
}
if (kinectManager.IsJointTracked(userId, (int)KinectInterop.JointType.Head))
{
Vector3 posHeadRaw = kinectManager.GetJointKinectPosition(userId, (int)KinectInterop.JointType.Head);
if (posHeadRaw != Vector3.zero)
{
Vector2 posDepthHead = kinectManager.MapSpacePointToDepthCoords(posHeadRaw);
ushort depthHead = kinectManager.GetDepthForPixel((int)posDepthHead.x, (int)posDepthHead.y);
Vector3 sizeHalfFace = new Vector3(faceWidth / 2f, faceHeight / 2f, 0f);
Vector3 posFaceRaw1 = posHeadRaw - sizeHalfFace;
Vector3 posFaceRaw2 = posHeadRaw + sizeHalfFace;
Vector2 posDepthFace1 = kinectManager.MapSpacePointToDepthCoords(posFaceRaw1);
Vector2 posDepthFace2 = kinectManager.MapSpacePointToDepthCoords(posFaceRaw2);
if (posDepthFace1 != Vector2.zero && posDepthFace2 != Vector2.zero && depthHead > 0)
{
Vector2 posColorFace1 = kinectManager.MapDepthPointToColorCoords(posDepthFace1, depthHead);
Vector2 posColorFace2 = kinectManager.MapDepthPointToColorCoords(posDepthFace2, depthHead);
if (!float.IsInfinity(posColorFace1.x) && !float.IsInfinity(posColorFace1.y) &&
!float.IsInfinity(posColorFace2.x) && !float.IsInfinity(posColorFace2.y))
{
faceJointRect.x = posColorFace1.x;
faceJointRect.y = posColorFace2.y;
faceJointRect.width = Mathf.Abs(posColorFace2.x - posColorFace1.x);
faceJointRect.height = Mathf.Abs(posColorFace2.y - posColorFace1.y);
}
}
}
}
return(faceJointRect);
}