void CreateOptionsMenu()
    {
        //resolution
        //fullscreen
        //sound volume
        //music volume
        //Main Menu button
        GuiHelper gh;
        gh.base.x_ = GetSubsystem<Graphics>()->GetWidth();
        gh.base.y_ = GetSubsystem<Graphics>()->GetHeight();
        OptionsMenu = GetSubsystem<UI>()->GetRoot()->CreateChild<UIElement>("UIElement");
        OptionsMenu->SetStyleAuto();
        OptionsMenu->SetVisible(false);

        Button* backButton = CreateButton("Back", OptionsMenu, 0.5, 0.64, 0.2, 0.05);
        SubscribeToEvent(backButton, E_RELEASED, URHO3D_HANDLER(Game, backButtonHandle));
        ///Screen Resolution
        Text* resText = new Text(context_);
        resText->SetText("Screen Resolution");
        resText->SetStyleAuto();
        resText->SetHorizontalAlignment(HorizontalAlignment::HA_CENTER);
        gh.SetControlSizePos(resText, 0.5, 0.37, 0.2, 0.03, false);
        OptionsMenu->AddChild(resText);

        DropDownList* list = new DropDownList(context_);
        unsigned selection = M_MAX_UNSIGNED;
        list->SetSelection(selection);
        list->SetStyleAuto();
        gh.SetControlSizePos(list, 0.5, 0.4, 0.2, 0.025,true);
        list->SetResizePopup(true);
        list->SetName("SR");
        OptionsMenu->AddChild(list);

        VideoModes = GetSubsystem<Graphics>()->GetResolutions();
        for (int i = 0; i < VideoModes.Size(); ++i)
        {
            String str = String(VideoModes[i].x_) + " x " + String(VideoModes[i].y_);
            Text * t = new Text(context_);
            t->SetText(str);
            t->SetHorizontalAlignment(HorizontalAlignment::HA_CENTER);
            t->SetStyle("ConsoleText");
            list->AddItem(t);
        }
        ///Fullscreen
        Text* fsText = new Text(context_);
        fsText->SetText("Fullscreen");
        fsText->SetStyleAuto();
        fsText->SetHorizontalAlignment(HorizontalAlignment::HA_RIGHT);
        gh.SetControlSizePos(fsText, 0.5, 0.44, 0.2, 0.03, false);
        OptionsMenu->AddChild(fsText);

        CheckBox* fsBox = new CheckBox(context_);
        fsBox->SetStyleAuto();
        fsBox->SetName("FS");
        gh.SetControlSizePos(fsBox, 0.4, 0.44, 0.2, 0.03, false);
        OptionsMenu->AddChild(fsBox);
        SubscribeToEvent(fsBox, E_CLICK, URHO3D_HANDLER(Game, fsHandle));

        ///sound
        Text* st = new Text(context_);
        st->SetText("Sound Volume");
        st->SetStyleAuto();
        st->SetHorizontalAlignment(HorizontalAlignment::HA_CENTER);
        gh.SetControlSizePos(st, 0.5, 0.48, 0.2, 0.03, false);
        OptionsMenu->AddChild(st);

        Slider* sound = new Slider(context_);
        gh.SetControlSizePos(sound, 0.5, 0.52, 0.2, 0.03, true);
        sound->SetName("sound");
        sound->SetStyleAuto();
        sound->SetRange(10);
        sound->SetMinWidth(sound->GetWidth());
        OptionsMenu->AddChild(sound);
        //slider->SetValue(audio->GetMasterGain(SOUND_EFFECT));
        //SubscribeToEvent(slider, E_SLIDERCHANGED, URHO3D_HANDLER(SoundEffects, HandleSoundVolume));
        ///music
        Text* mt = new Text(context_);
        mt->SetText("Music Volume");
        mt->SetStyleAuto();
        mt->SetHorizontalAlignment(HorizontalAlignment::HA_CENTER);
        gh.SetControlSizePos(mt, 0.5, 0.56, 0.2, 0.03, false);
        OptionsMenu->AddChild(mt);

        Slider* music = new Slider(context_);
        gh.SetControlSizePos(music, 0.5, 0.60, 0.2, 0.03, true);
        music->SetName("music");
        music->SetStyleAuto();
        music->SetRange(10);
        music->SetMinWidth(music->GetWidth());
        OptionsMenu->AddChild(music);

        OptionsMenu->Remove();
        OptionsMenu->SetVisible(true);

    }
struct  GuiHelper
{
    IntVector2 base;
    IntVector2 AbsoluteFromRelative(float x, float y)
    {
        return IntVector2(base.x_ * x, base.y_*y);
    }

    void SetControlSizePos(UIElement* ui, float pos_x, float pos_y, float size_x, float size_y, bool halfSizeOffset)
    {
        ui->SetWidth(base.x_ * size_x);
        ui->SetHeight(base.y_ * size_y);
        float half = 0;
        if(halfSizeOffset)
            half = ui->GetWidth() / 2;
        ui->SetPosition((base.x_* pos_x)- half, base.y_ * pos_y);
    }
};