/// <summary>
        /// Converts the input matrix to Unity transform matrix.
        /// </summary>
        public static UnityEngine.Matrix4x4 ToUnityTransform(this Matrix4x4 rawMatrix)
        {
            var zflip = UnityEngine.Matrix4x4.identity;

            zflip.SetColumn(2, -1 * zflip.GetColumn(2));

            return(zflip * rawMatrix.ToUnityMatrix() * zflip);
        }
        /// <summary>
        /// Converts the input matrix to Unity transform matrix but can return null
        /// </summary>
        public static UnityEngine.Matrix4x4?ConvertToUnityMatrix(this Matrix4x4 rawMatrix)
        {
            if (rawMatrix == Matrix4x4.Zero)
            {
                return(null);
            }

            return(rawMatrix.ToUnityMatrix());
        }