public InterfaceManager(ContentManager content)
{
fontLibrary = new Library();
fontFace = new Face(fontLibrary, "Content/Fonts/Jack.ttf");
fontFace.SetCharSize(0, 18f, 0, 0);
textureRenderer = new TextureRenderer(content, 800, 450);
shapeRenderer = new ShapeRenderer(content, 800, 450);
stringRenderer = new StringRenderer();
shapeRenderer.Begin();
shapeRenderer.SetProjection(Matrix4.CreateOrthographicOffCenter(0f, 800f, 450f, 0f, -1f, 1f));
shapeRenderer.End();
screens = new Dictionary <string, Screen>();
screens.Add("MainMenu", new MainMenu(this));
screens.Add("GameOverlay", new GameOverlay(this));
ChangeScreen("GameOverlay");
}