Example #1
0
int main()
{
    try
    {
        ImageLoaders::PNG loader;
        if (!loader.CanLoad("resources/logo.png"))
        {
            throw FatalException("Cannot load PNG images.");
        }
        Image* image = loader.Load("resources/logo.png");

        WindowStyle style;
        style.title = U8("logo.png (") + image->GetWidth() + U8(", ") + image->GetHeight() + U8(")");
        style.width = image->GetWidth();
        style.height = image->GetHeight();
        style.backgroundColor = Colors::black;
        style.resizable = false;

        Window window;
        window.Create(style);

        OpenGL::Context context;
        context.Create(&window);

        GL::BlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
        GL::Enable(GL_BLEND);
        GL::Enable(GL_ALPHA_TEST);
        GL::Enable(GL_TEXTURE_2D);

        UInt program = LoadShader(U8("resources/shader.vert"), U8("resources/shader.frag"));

        UInt box = MakeBox();

        UInt texture;
        GL::GenTextures(1, &texture);
        GL::BindTexture(GL_TEXTURE_2D, texture);
        GL::TexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_REPEAT);
        GL::TexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_REPEAT);
        GL::TexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR);
        GL::TexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR);
        GL::TexEnvf(GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_MODULATE);
        GL::PixelStorei(GL_UNPACK_ALIGNMENT, 1);
        GL::TexImage2D(GL_TEXTURE_2D, 0, GL_RGBA, image->GetWidth(), image->GetHeight(), 0, GL_RGBA, GL_UNSIGNED_BYTE, image->GetData());
        GL::BindTexture(GL_TEXTURE_2D, 0);

        Timer timer;
        Float32 hue = 0.0f;
        while (window.IsOpen())
        {
            Timer::Sleep(1);
            hue = Math::Mod(hue + timer.GetDeltaTime() * 45, 360.0f);
            context.ClearColor(Color::MakeHSL(hue, 40, 255));

            context.Viewport(0, 0, window.GetWidth(), window.GetHeight());
            context.Clear(GL::COLOR_BUFFER_BIT | GL::DEPTH_BUFFER_BIT);
            GL::UseProgram(program);
            GL::UniformMatrix4fv(GL::GetUniformLocation(program, "orthoMatrix"), 1, false, Matrix::MakeOrtho(0, 1, 1, 0).GetData());
            GL::UniformMatrix4fv(GL::GetUniformLocation(program, "modelMatrix"), 1, false, Matrix::Identity().GetData());
            GL::Uniform1i(GL::GetUniformLocation(program, "texture"), 0);
            GL::ActiveTexture(GL_TEXTURE0);
            GL::BindTexture(GL_TEXTURE_2D, texture);
            GL::BindVertexArray(box);
            GL::DrawArrays(GL_QUADS, 0, 4);
            GL::BindVertexArray(0);
            GL::UseProgram(0);
            context.SwapBuffers();

            Window::Update();
        }
    }
    catch (Exception& e)
    {
        std::cout << e.what() << std::endl;
        std::cout << std::hex << "Error code: 0x" << e.unique << std::dec << " (decimal " << e.unique << ")" << std::endl;
    }
}
Example #2
0
File: main.cpp Project: Zethes/CGUL
int main()
{
    try
    {
        Image image;
        image.Load("resources/jattabox.png");

        WindowStyle style;
        style.title = U8("CGUL - 3D World");
        style.size = UCoord32(640, 480);
        style.backgroundColor = Colors::black;
        style.resizable = true;

        Window window;
        window.Create(style);

        OpenGL::Context context;
        context.Create(&window);

        GL::BlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
        GL::Enable(GL_BLEND);
        GL::Enable(GL_ALPHA_TEST);
        GL::Enable(GL_TEXTURE_2D);
        GL::Enable(GL_DEPTH_TEST);
        GL::Enable(GL_CULL_FACE);
        glCullFace(GL_BACK);

        UIntN program = LoadShader(U8("resources/shader.vert"), U8("resources/shader.frag"));

        UIntN box = MakeBox();

        UIntN texture;
        GL::GenTextures(1, &texture);
        GL::BindTexture(GL_TEXTURE_2D, texture);
        GL::TexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_REPEAT);
        GL::TexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_REPEAT);
        GL::TexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR);
        GL::TexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR);
        GL::TexEnvf(GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_MODULATE);
        GL::PixelStorei(GL_UNPACK_ALIGNMENT, 1);
        GL::TexImage2D(GL_TEXTURE_2D, 0, GL_RGBA, image.GetWidth(), image.GetHeight(), 0, GL_RGBA, GL_UNSIGNED_BYTE, image.GetData< void >());
        GL::BindTexture(GL_TEXTURE_2D, 0);

        Timer timer;
        Float32 hue = 0.0f;
        while (window.IsOpen())
        {
            Float32 deltaTime = timer.GetDeltaTime();
            Timer::Sleep(1);
            hue = Math::Mod(hue + deltaTime * 0.125f, 1.0f);
            context.ClearColor(Color::MakeHSV(hue, 0.156862745098039f, 1.0f));

            Float32 movement = 1 + Math::Cos(hue / 10.0f);
            static Float32 rot = 0;
            rot += deltaTime / 1.0f;

            context.Viewport(0, 0, window.GetWidth(), window.GetHeight());
            context.Clear(GL::COLOR_BUFFER_BIT | GL::DEPTH_BUFFER_BIT);
            GL::UseProgram(program);
            //GL::UniformMatrix4fv(GL::GetUniformLocation(program, "orthoMatrix"), 1, false, Matrix::MakeOrtho2D(0, 1280, 768, 0).GetData());
            MatrixF view = MatrixF::MakeLookAt(Vector3F(Math::Cos(rot) * 50, Math::Cos(rot) * 50, Math::Sin(rot) * 50), Vector3F(0, 0, 0), Vector3F(0, -1, 0));
            MatrixF projection = MatrixF::MakePerspective(45.0, window.GetWidth() / (Float32)window.GetHeight(), 1, 1000);
            MatrixF vp = view * projection;

            MatrixF model;
            model = MatrixF::MakeScaling(Vector3F(20, 20, 20)) * model;

            //Matrix wvp = model * Matrix::MakeOrtho2D(0, 1280, 768, 0);
            MatrixF wvp = model * vp;
            GL::UniformMatrix4fv(GL::GetUniformLocation(program, "matrix"), 1, false, wvp.GetData());
            GL::Uniform1i(GL::GetUniformLocation(program, "texture"), 0);
            GL::ActiveTexture(GL_TEXTURE0);
            GL::BindTexture(GL_TEXTURE_2D, texture);
            GL::BindVertexArray(box);
            GL::DrawArrays(GL_QUADS, 0, 24);
            GL::BindVertexArray(0);
            GL::UseProgram(0);
            context.SwapBuffers();

            Window::Update();
        }
    }
    catch (Exception& e)
    {
        std::cout << e.what() << std::endl;
        std::cout << std::hex << "Error code: 0x" << e.unique << std::dec << " (decimal " << e.unique << ")" << std::endl;
    }
}