This C++ example shows that deletion is working correctly.
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#include "UltraEngine.h"
using namespace UltraEngine;
int main(int argc, const char* argv[])
{
//Get the displays
auto displays = GetDisplays();
//Create window
auto window = CreateWindow("Ultra Engine", 0, 0, 1280, 720, displays[0]);
//Create framebuffer
auto framebuffer = CreateFramebuffer(window);
//Create world
auto world = CreateWorld();
//Create main camera
auto camera = CreateCamera(world);
camera->SetPosition(0, 0, -3);
//Create a model
auto box = CreateBox(world);
//Create a light
auto light = CreateBoxLight(world);
light->SetRange(-5, 5);
light->SetRotation(34, 45, 0);
//Load a font
auto font = LoadFont("Fonts/arial.ttf");
//Create user interface with a semi-transparent background
auto ui = CreateInterface(world, font, framebuffer->size);
ui->background->SetColor(0, 0, 0, 0.5);
//Create widget
iVec2 sz = ui->background->ClientSize();
auto button = CreateButton("Button", sz.x / 2 - 75, sz.y / 2 - 15, 150, 30, ui->background);
//Create camera
auto orthocamera = CreateCamera(world, PROJECTION_ORTHOGRAPHIC);
orthocamera->SetClearMode(CLEAR_DEPTH);
orthocamera->SetPosition(float(framebuffer->size.x) * 0.5f, float(framebuffer->size.y) * 0.5f, 0);
//UI will only appear in orthographic camera
orthocamera->SetRenderLayers(2);
ui->SetRenderLayers(2);
while (true)
{
box->Turn(0, 1, 0);
while (PeekEvent())
{
const Event ev = WaitEvent();
switch (ev.id)
{
case EVENT_WINDOWCLOSE:
if (ev.source == window)
{
return 0;
}
break;
default:
if (ui) ui->ProcessEvent(ev);
break;
}
}
if (window->KeyHit(KEY_SPACE)) ui = nullptr;
world->Update();
world->Render(framebuffer);
}
return 0;
}