Widget stays on screen after deleting it via SetParent (NULL) in 3D UI

[Dreikblack]

This works in 2D UI but in 3D widget became not interactive but visible.

Maybe where is another way to delete widgets in 3D UI?

#include "UltraEngine.h"

using namespace UltraEngine;

int main(int argc, const char* argv[])
{
    auto displays = GetDisplays();
    auto window = CreateWindow("Ultra Engine", 0, 0, 1280, 720, displays[0], WINDOW_CENTER | WINDOW_TITLEBAR);
    auto world = CreateWorld();
    auto framebuffer = CreateFramebuffer(window);

    auto camera = CreateCamera(world);
    camera->SetClearColor(0.125);
    camera->SetFov(70);
    camera->SetPosition(0, 0, -3);

    auto default_font = LoadFont("Fonts\\arial.ttf");
    auto ui = CreateInterface(world, default_font, framebuffer->GetSize());
    ui->SetRenderLayers(2);
    ui->root->SetColor(0.0f, 0.0f, 0.0f, 0.0f);

    auto ui_camera = CreateCamera(world, PROJECTION_ORTHOGRAPHIC);
    ui_camera->SetPosition((float)framebuffer->GetSize().x * 0.5f, (float)framebuffer->GetSize().y * 0.5f, 0);
    ui_camera->SetRenderLayers(2);
    ui_camera->SetClearMode(CLEAR_DEPTH);

    auto button = CreateButton("Button", 10, 10, 120, 30, ui->root);

    while (window->Closed() == false and window->KeyDown(KEY_ESCAPE) == false)
    {
        while (PeekEvent()) {
            const Event ev = WaitEvent();
            if (ev.source == button && ev.id == EVENT_WIDGETACTION)
            {
                button->SetParent(NULL);
            }
            ui->ProcessEvent(ev);
        }

        world->Update();
        world->Render(framebuffer);
    }
    return 0;
}

 

[SpiderPig]

Just tested this.  Button needs to be set to nullptr (NULL) so that it is no longer keeping the widget alive.  You need to do both of these to delete the widget.  Well, it goes off screen so I'm going to assume it's gone for good.

button->SetParent(nullptr);
button = nullptr;