private static void AppendWallObjectToScene(SceneManipulator manipulator)
        {
            //Define wall object (define geometry and create object for the scene).
            var resWallTexture = manipulator.AddTexture(
                new AssemblyResourceLink(
                    typeof(SeeingSharpSampleResources),
                    "Textures.Wall.png"));
            var resWallMaterial = manipulator.AddSimpleColoredMaterial(resWallTexture);

            VertexStructure wallStructure = new VertexStructure();

            wallStructure.FirstSurface.EnableTextureTileMode(new Vector2(2f, 2f));
            wallStructure.FirstSurface.BuildCube24V(
                new Vector3(-0.1f, 0f, -13f),
                new Vector3(0.2f, 10f, 26f),
                Color4.Gray);
            wallStructure.FirstSurface.Material = resWallMaterial;
            var           resWallGeometry = manipulator.AddGeometry(wallStructure);
            GenericObject wallObject      = manipulator.AddGeneric(resWallGeometry, new Vector3(6.3f, 0f, 0f));

            wallObject.DisableShaderGeneratedBorder();
        }