[SOURCE] public Vector3 Direction        {            get { return worldMatrix.Forward; } // Looking forward how to get this with D3D9 libraries            set             {                Vector3 position = worldMatrix.Translation; // Looking forward how to get this too                Vector3 forward = value;                 if (forward == Vector3.Up || forward == Vector3.Down)                {                    Vector3 right = Vector3.Right;                    Vector3.Cross(ref right, ref forward, out up); //D3DXVec3Cross                }                //And for this too               Matrix.CreateWorld(ref position, ref forward, ref up, out worldMatrix);            }       }[/SOURCE]