gistfile1.cpp

void Screen::render(string fileName, sf::Vector2<int> destPosition) {
    sf::Sprite sprite(spriteSheet);
    struct spriteFrame frame = _frames[fileName];
    
    float widthRatio  = _game->actualScreenWidth / _game->originalScreenWidth;
    float heightRatio = _game->actualScreenHeight / _game->originalScreenHeight;
    
    sprite.setTextureRect(frame.frame);
    sprite.setPosition(destPosition.x * widthRatio, destPosition.y * heightRatio);
    
    sprite.scale(1.0 / _game->originalScreenWidth * _game->actualScreenWidth, 1.0 / _game->originalScreenHeight * _game->actualScreenHeight);

    _mainWindow->draw(sprite);
}