renderer_2D_example.cpp

#include "Vivid.h"
 
class ExampleInterface : public RenderingInterface
{
public:
    void Setup() override
    {
        OPENGL_2D_CONFS
 
        Vivid::Renderer2D::Init();
    }
 
    void Draw() override
    {
        Vivid::Renderer2D::BeginScene();
 
        // Draw using API
        Vivid::Renderer2D::DrawCircle(Vivid::Maths::Vec2(0, 0), 150, Vivid::Maths::Vec3(0.0f, 1.0f, 0.0f));
 
        Vivid::Renderer2D::DrawLine(Vivid::Maths::Vec2(-150, 0), Vivid::Maths::Vec2(150, 0), 2,
            Vivid::Maths::Vec3(1.0f, 0.5f, 0.0f));
 
        Vivid::Renderer2D::DrawQuad(-200, -200, 100, 100, Vivid::Maths::Vec3(1.0f, 1.0f, 0.0f));
 
        Vivid::Renderer2D::EndScene();
    }
 
    void ImGuiRender() override
    {
        ImGui::Begin("Debug");
        //  ImGui::SliderFloat3("Translation Model 1", &suzannePosition.x, -500.0f, 500.0f);
        //  // ImGui::SliderFloat3("Translation Model 2", &lightPosition.x, -300.0f, 300.0f);
        //  ImGui::SliderFloat3("Light Position", &lightPos.x, -500.0f, 500.0f);
        ImGui::Text("Application average %.3f ms/frame (%.1f FPS)",
            1000.0f / ImGui::GetIO().Framerate, ImGui::GetIO().Framerate);
 
        ImGui::End();
    }
};
 
Application* Vivid::CreateApplication()
{
    Application* app = Application::GetInstance(1920, 1080, "Rendering2D");
 
    // Important for 2D rendering, set the camera to OrthoCamera
    Maths::Vec3 pos = Maths::Vec3(0, 0, 0);
    float rot = 0.0f;
    float zoom = 0.10f;
    Camera* camera = new OrthoCamera(pos, rot, zoom, -1000.0f, 1000.0f);
    app->SetCamera(camera);
 
    app->SetRenderingInterface(new ExampleInterface);
    return app;
}
 
int main()
{
    return Vivid::main(0, nullptr);
}