Игровой движок для вопроса в беседе Wk

//OOP_aplication.h
#ifndef APPLICATION_TYPE_HEADER
#define APPLICATION_TYPE_HEADER

#include "Main.h"
#include "InterfaceMapWidget.h"

namespace Render {
    class OOP_aplication {
    protected:
        sf::RenderWindow* Window;
        InterfaceMapWidget *MapWidget;
    public:
        OOP_aplication();
        ~OOP_aplication();
        void Init();
        void Run();
        void End();
    };

}


#endif


//OOP_aplication.cpp
#include "OOP_aplication.h"
namespace Render {
    OOP_aplication::OOP_aplication() :
        Window(nullptr),
        MapWidget(nullptr) {

        }

    //OOP_aplication::~OOP_aplication() {

    //}

    void OOP_aplication::Init() {
            Window = new sf::RenderWindow(sf::VideoMode(640, 640), "First Version of Engine");
            MapWidget = new InterfaceMapWidget(0, 0, 640, 640);

    }

    void OOP_aplication::Run() {
        while (Window->isOpen()) {
            sf::Event event;
            while (Window->pollEvent(event)) {
                if (event.type == sf::Event::Closed)
                    Window->close();
            }
            Window->clear(sf::Color::Black);
            MapWidget->Draw(Window);
            Window->display();
        }
    }

    void OOP_aplication::End() {
        if (Window != nullptr) {
            delete Window;
            Window = nullptr;
        }
        if (MapWidget != nullptr) {
            delete MapWidget;
            MapWidget = nullptr;
        }
    }
}
//Main.h
#ifndef MAIN_HEADER
#define MAIN_HEADER
#include <SFML/Graphics.hpp>
#include <SFML/Window.hpp>
#include <SFML/Audio.hpp>
#include <SFML/Network.hpp>
#include <SFML/System.hpp>
#include "InterfaceMapWidget.h"
#include "OOP_aplication.h"
#endif
//Main.cpp
#include "Main.h"


int main(int argc, char* argv[]) {
    Render::OOP_aplication Application;
    Application.Init();
    Application.Run();
    Application.End();

    return 0;
}

//InterfaceMapWidget.h
#ifndef INTERFACEMAPWIDGET_HEADER
#define INTERFACEMAPWIDGET_HEADER
#include "Main.h"

class InterfaceMapWidget {
protected:
    int X, Y, Width, Height;
    sf::Texture SomeTexture;
    //методы класса

    //поля класса
public:
    InterfaceMapWidget(int aX, int aY, int aWidth, int aHeight);
    ~InterfaceMapWidget ();
    void Draw(sf::RenderWindow* Window);
};
#endif

//InterfaceMapWidget.cpp
#include "InterfaceMapWidget.h"

InterfaceMapWidget::InterfaceMapWidget(int aX, int aY, int aWidth, int aHeight) :
    X(aX),
    Y(aY),
    Width(aWidth),
    Height(aHeight),
    SomeTexture() {
    SomeTexture.loadFromFile("../images/Test.png");
}

InterfaceMapWidget:: ~InterfaceMapWidget() {
}


void InterfaceMapWidget::Draw(sf::RenderWindow * Window) {
    sf::Sprite SpriteStuff;
    SpriteStuff.setTexture(SomeTexture);
    SpriteStuff.setPosition(X, Y);
    float WidgetWidth = (float)Width / (float)SomeTexture.getSize().x;
    float WidgetHeight = (float)Height / (float)SomeTexture.getSize().y;
    SpriteStuff.setScale(WidgetWidth, WidgetHeight);

    Window->draw(SpriteStuff);
    }