Esempio n. 1
0
        static void Main(string[] args)
        {
            Glut.glutInit();
            Glut.glutInitDisplayMode(Glut.GLUT_DOUBLE | Glut.GLUT_DEPTH | Glut.GLUT_MULTISAMPLE);   // multisampling makes things beautiful!
            Glut.glutInitWindowSize(width, height);
            Glut.glutCreateWindow("OpenGL Tutorial");

            Glut.glutIdleFunc(OnRenderFrame);
            Glut.glutDisplayFunc(OnDisplay);

            Glut.glutKeyboardFunc(OnKeyboardDown);
            Glut.glutKeyboardUpFunc(OnKeyboardUp);

            Glut.glutCloseFunc(OnClose);
            Glut.glutReshapeFunc(OnReshape);

            // add our mouse callbacks for this tutorial
            Glut.glutMouseFunc(OnMouse);
            Glut.glutMotionFunc(OnMove);

            Gl.Enable(EnableCap.DepthTest);

            // create our shader program
            program = new ShaderProgram(VertexShader, FragmentShader);

            // set up the projection and view matrix
            program.Use();
            program["projection_matrix"].SetValue(Matrix4.CreatePerspectiveFieldOfView(0.45f, (float)width / height, 0.1f, 1000f));
            program["view_matrix"].SetValue(Matrix4.LookAt(new Vector3(0, 0, 10), Vector3.Zero, Vector3.Up));

            program["light_direction"].SetValue(new Vector3(0, 0, 1));
            program["enable_lighting"].SetValue(lighting);
            program["normalTexture"].SetValue(1);
            program["enable_mapping"].SetValue(normalMapping);

            brickDiffuse = new Texture("AlternatingBrick-ColorMap.png");
            brickNormals = new Texture("AlternatingBrick-NormalMap.png");

            Vector3[] vertices = new Vector3[] {
                new Vector3(1, 1, -1), new Vector3(-1, 1, -1), new Vector3(-1, 1, 1), new Vector3(1, 1, 1),         // top
                new Vector3(1, -1, 1), new Vector3(-1, -1, 1), new Vector3(-1, -1, -1), new Vector3(1, -1, -1),     // bottom
                new Vector3(1, 1, 1), new Vector3(-1, 1, 1), new Vector3(-1, -1, 1), new Vector3(1, -1, 1),         // front face
                new Vector3(1, -1, -1), new Vector3(-1, -1, -1), new Vector3(-1, 1, -1), new Vector3(1, 1, -1),     // back face
                new Vector3(-1, 1, 1), new Vector3(-1, 1, -1), new Vector3(-1, -1, -1), new Vector3(-1, -1, 1),     // left
                new Vector3(1, 1, -1), new Vector3(1, 1, 1), new Vector3(1, -1, 1), new Vector3(1, -1, -1) };
            cube = new VBO<Vector3>(vertices);

            Vector2[] uvs = new Vector2[] {
                new Vector2(0, 0), new Vector2(1, 0), new Vector2(1, 1), new Vector2(0, 1),
                new Vector2(0, 0), new Vector2(1, 0), new Vector2(1, 1), new Vector2(0, 1),
                new Vector2(0, 0), new Vector2(1, 0), new Vector2(1, 1), new Vector2(0, 1),
                new Vector2(0, 0), new Vector2(1, 0), new Vector2(1, 1), new Vector2(0, 1),
                new Vector2(0, 0), new Vector2(1, 0), new Vector2(1, 1), new Vector2(0, 1),
                new Vector2(0, 0), new Vector2(1, 0), new Vector2(1, 1), new Vector2(0, 1) };
            cubeUV = new VBO<Vector2>(uvs);

            List<int> triangles = new List<int>();
            for (int i = 0; i < 6; i++)
            {
                triangles.Add(i * 4);
                triangles.Add(i * 4 + 1);
                triangles.Add(i * 4 + 2);
                triangles.Add(i * 4);
                triangles.Add(i * 4 + 2);
                triangles.Add(i * 4 + 3);
            }
            cubeTriangles = new VBO<int>(triangles.ToArray(), BufferTarget.ElementArrayBuffer);

            Vector3[] normals = Geometry.CalculateNormals(vertices, triangles.ToArray());
            cubeNormals = new VBO<Vector3>(normals);

            Vector3[] tangents = CalculateTangents(vertices, normals, triangles.ToArray(), uvs);
            cubeTangents = new VBO<Vector3>(tangents);

            // load the bitmap font for this tutorial
            font = new BMFont("font24.fnt", "font24.png");
            fontProgram = new ShaderProgram(BMFont.FontVertexSource, BMFont.FontFragmentSource);

            fontProgram.Use();
            fontProgram["ortho_matrix"].SetValue(Matrix4.CreateOrthographic(width, height, 0, 1000));
            fontProgram["color"].SetValue(new Vector3(1, 1, 1));

            information = font.CreateString(fontProgram, "OpenGL  C#  Tutorial  14");

            watch = System.Diagnostics.Stopwatch.StartNew();

            Glut.glutMainLoop();
        }
Esempio n. 2
0
        static void Main(string[] args)
        {
            Glut.glutInit();
            Glut.glutInitDisplayMode(Glut.GLUT_DOUBLE | Glut.GLUT_DEPTH | Glut.GLUT_MULTISAMPLE);   // multisampling makes things beautiful!
            Glut.glutInitWindowSize(width, height);
            Glut.glutCreateWindow("OpenGL Tutorial");

            Glut.glutIdleFunc(OnRenderFrame);
            Glut.glutDisplayFunc(OnDisplay);

            Glut.glutKeyboardFunc(OnKeyboardDown);
            Glut.glutKeyboardUpFunc(OnKeyboardUp);

            Glut.glutCloseFunc(OnClose);
            Glut.glutReshapeFunc(OnReshape);

            // add our mouse callbacks for this tutorial
            Glut.glutMouseFunc(OnMouse);
            Glut.glutMotionFunc(OnMove);

            Gl.Enable(EnableCap.DepthTest);

            // create our shader program
            program = new ShaderProgram(VertexShader, FragmentShader);

            // set up the projection and view matrix
            program.Use();
            program["projection_matrix"].SetValue(Matrix4.CreatePerspectiveFieldOfView(0.45f, (float)width / height, 0.1f, 1000f));
            program["view_matrix"].SetValue(Matrix4.LookAt(new Vector3(0, 0, 10), Vector3.Zero, new Vector3(0, 1, 0)));

            program["light_direction"].SetValue(new Vector3(0, 0, 1));
            program["enable_lighting"].SetValue(lighting);
            program["normalTexture"].SetValue(1);
            program["enable_mapping"].SetValue(normalMapping);

            brickDiffuse = new Texture("AlternatingBrick-ColorMap.png");
            brickNormals = new Texture("AlternatingBrick-NormalMap.png");

            Vector3[] vertices = new Vector3[] {
                new Vector3(1, 1, -1), new Vector3(-1, 1, -1), new Vector3(-1, 1, 1), new Vector3(1, 1, 1),         // top
                new Vector3(1, -1, 1), new Vector3(-1, -1, 1), new Vector3(-1, -1, -1), new Vector3(1, -1, -1),     // bottom
                new Vector3(1, 1, 1), new Vector3(-1, 1, 1), new Vector3(-1, -1, 1), new Vector3(1, -1, 1),         // front face
                new Vector3(1, -1, -1), new Vector3(-1, -1, -1), new Vector3(-1, 1, -1), new Vector3(1, 1, -1),     // back face
                new Vector3(-1, 1, 1), new Vector3(-1, 1, -1), new Vector3(-1, -1, -1), new Vector3(-1, -1, 1),     // left
                new Vector3(1, 1, -1), new Vector3(1, 1, 1), new Vector3(1, -1, 1), new Vector3(1, -1, -1)
            };
            cube = new VBO <Vector3>(vertices);

            Vector2[] uvs = new Vector2[] {
                new Vector2(0, 0), new Vector2(1, 0), new Vector2(1, 1), new Vector2(0, 1),
                new Vector2(0, 0), new Vector2(1, 0), new Vector2(1, 1), new Vector2(0, 1),
                new Vector2(0, 0), new Vector2(1, 0), new Vector2(1, 1), new Vector2(0, 1),
                new Vector2(0, 0), new Vector2(1, 0), new Vector2(1, 1), new Vector2(0, 1),
                new Vector2(0, 0), new Vector2(1, 0), new Vector2(1, 1), new Vector2(0, 1),
                new Vector2(0, 0), new Vector2(1, 0), new Vector2(1, 1), new Vector2(0, 1)
            };
            cubeUV = new VBO <Vector2>(uvs);

            List <int> triangles = new List <int>();

            for (int i = 0; i < 6; i++)
            {
                triangles.Add(i * 4);
                triangles.Add(i * 4 + 1);
                triangles.Add(i * 4 + 2);
                triangles.Add(i * 4);
                triangles.Add(i * 4 + 2);
                triangles.Add(i * 4 + 3);
            }
            cubeTriangles = new VBO <int>(triangles.ToArray(), BufferTarget.ElementArrayBuffer);

            Vector3[] normals = Geometry.CalculateNormals(vertices, triangles.ToArray());
            cubeNormals = new VBO <Vector3>(normals);

            Vector3[] tangents = CalculateTangents(vertices, normals, triangles.ToArray(), uvs);
            cubeTangents = new VBO <Vector3>(tangents);

            // load the bitmap font for this tutorial
            font        = new BMFont("font24.fnt", "font24.png");
            fontProgram = new ShaderProgram(BMFont.FontVertexSource, BMFont.FontFragmentSource);

            fontProgram.Use();
            fontProgram["ortho_matrix"].SetValue(Matrix4.CreateOrthographic(width, height, 0, 1000));
            fontProgram["color"].SetValue(new Vector3(1, 1, 1));

            information = font.CreateString(fontProgram, "OpenGL  C#  Tutorial  14");

            watch = System.Diagnostics.Stopwatch.StartNew();

            Glut.glutMainLoop();
        }