public void SetRotation(ref MatrixD rotationMat) {
if (!rotationMat.IsRotation())
return;
m_transform.M11 = rotationMat.M11;
m_transform.M12 = rotationMat.M12;
m_transform.M13 = rotationMat.M13;
m_transform.M21 = rotationMat.M21;
m_transform.M22 = rotationMat.M22;
m_transform.M23 = rotationMat.M23;
m_transform.M31 = rotationMat.M31;
m_transform.M32 = rotationMat.M32;
m_transform.M33 = rotationMat.M33;
m_shape.Transformation = m_transform;
}