public Vector3 GetNormalizedLookAxisNoScaleSign()
        {
            Vector3 lookAxis = ToMatrix4x4x.GetNormalizedLookAxis();

            if (_scale.z < 0.0f)
            {
                lookAxis *= -1.0f;
            }

            return(lookAxis);
        }
 public Vector3 GetNormalizedLookAxis()
 {
     return(ToMatrix4x4x.GetNormalizedLookAxis());
 }