/// <summary>
/// XNAQuaternionToVector4 converts an XNAQuaternion object holding Joint Orientation to a KinectSDK Vector4.
/// </summary>
/// <param name="quaternion">An XNA Quaternion object to be converted to a Kinect Vector4.</param>
/// <returns>Returns a Kinect Vector4.</returns>
public static Microsoft.Kinect.Vector4 XNAQuaternionToVector4(Quaternion quaternion)
{
Microsoft.Kinect.Vector4 converted = new Microsoft.Kinect.Vector4();
converted.X = quaternion.X;
converted.Y = quaternion.Y;
converted.Z = quaternion.Z;
converted.W = quaternion.W;
return converted;
}