NewPlayer nPlayer("NewHero", Vector2D(50,250), Vector2D(1.0f,0), 1.0f);
Enemy enemy("Monster", Vector2D(300,250), Vector2D(-5.0f,0), 1.0f);

void Update()
{
    nPlayer.Update();
    enemy.Update();
}

void Draw()
{
    nPlayer.Draw();
    enemy.Draw();
}