public static void ApplyRotToGLMatrix4d( ref GLMatrix4D matrix, Rot rot )
{
double fRotAngle = 0;
Vector3 vAxis = new Vector3();
mvMath.Rot2AxisAngle( ref vAxis, ref fRotAngle, rot );
matrix.applyRotate( (float)( fRotAngle / mvMath.PiOver180 ), (float)vAxis.x, (float)vAxis.y, (float)vAxis.z );
}
