C++ (Cpp) Material::ApplyCamera示例

// Updates the game
void Game::Update()
{
    static int frameCount = 0;
    static float tickCount = 0.0f;
    static bool first = true;

    float elapsedTime = Time::GetElapsedTime();
    tickCount += elapsedTime;
    ++frameCount;

    if ( tr )
    {
        tr->SetText( std::to_string( elapsedTime ) + "ms\t" + std::to_string( tickCount ) + "ms\t" + std::to_string( frameCount ) );
    }

    // counts Frames per second
    if ( tickCount >= 1.0f )
    {
        std::string title = "Billy's 3D Billiards";

        title += "    |    " + std::to_string( frameCount ) + " FPS";
        _window->SetTitle( title );

        frameCount = 0;
        tickCount -= 1.0f;
    }

    // Sets materials on Objects
    for (auto& object : _gameObjects)
    {
        if (object->GetActive())
        {
            Material* material = object->GetComponentOfType<Material>();
            if (material)
            {
                material->ApplyCamera(gameManager->GetActiveCamera());
            }
            object->Update();
        }
    }
    

    gameManager->Update();


    // If escape is being pressed, then we should close the window
    if ( Input::WasKeyPressed( Key::Escape ) )
    {
        _window->Close();
    }


    if ( Input::WasKeyPressed( Key::T ) )
    {
        Destroy( tr->GetGameObject() );
        tr = nullptr;
    }
}