Lucent Rendering Engine

// Initialize the engine
Engine* engine = Engine::Init();

// Create an empty scene
Scene* scene = engine->CreateScene();

// Import a gLTF model into the scene
Importer importer(engine->GetDevice());
Entity robot = importer.Import(scene, "path/to/file.gltf");

robot.SetPosition(Vector3(1.0f, 2.0, 3.0));

// Add a custom component to an entity
struct MyComponent { ... };

robot.Assign(MyComponent(...));

MyComponent& myComponent = robot.Get<MyComponent>();
....

// Render frames in a loop
while(engine->Update());

// Create a custom texture to render to
auto target = renderer.AddRenderTarget(TextureSettings{...});

auto myFramebuffer = renderer.AddFramebuffer(FramebufferSettings{ 
    .colorTextures = { target }
});

// Set up a pipeline (shader + pipeline state) to use in the pass
auto myPipeline = renderer.AddPipeline(PipelineSettings{ 
    .shaderName = "MyShader.shader",
    .shaderDefines = { "MY_SHADER_DEFINE1", "MY_SHADER_DEFINE2" },
    .framebuffer = myFramebuffer
});

// Register a render pass function to be executed on each rendering of the scene 
renderer.AddPass("My Custom Pass", [=](Context& ctx, View& view)
{
    ctx.BeginRenderPass(myFramebuffer);

    ctx.BindPipeline(myPipeline);
    
    // Iterate over all entities in the scene with both Transform and MyComponent
    view.GetScene().Each<Transform, MyComponent>([&](auto& transform, auto& myComponent)
    {
        // Set a uniform value in the shader with given ID
        ctx.Uniform("u_MyValue"_id, myComponent.value);
        
        ctx.Draw(...);
    });
    
    ctx.EndRenderPass();
});