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#include "UltraEngine.h" using namespace UltraEngine; shared_ptr<Window> window; shared_ptr<Framebuffer> framebuffer; shared_ptr<World> world; shared_ptr<Interface> ui; shared_ptr<Camera> uiCamera; shared_ptr<Widget> btn; static bool EventCallback(const Event& e, shared_ptr<Object> extra) { Print("Callback"); return true; } void initGui() { auto default_font = LoadFont("Fonts\\arial.ttf"); ui = CreateInterface(world, default_font, framebuffer->GetSize()); ui->SetRenderLayers(2); ui->root->SetColor(0.0f, 0.0f, 0.0f, 0.0f); uiCamera = CreateCamera(world, PROJECTION_ORTHOGRAPHIC); uiCamera->SetPosition((float)framebuffer->GetSize().x * 0.5f, (float)framebuffer->GetSize().y * 0.5f, 0); uiCamera->SetRenderLayers(2); uiCamera->SetClearMode(CLEAR_DEPTH); btn = CreateButton("Btn", 20, 20, 100, 100, ui->root); } int main(int argc, const char* argv[]) { //Get the displays auto displays = GetDisplays(); //Create a window window = CreateWindow("Ultra Engine", 0, 0, 300, 300, displays[0], WINDOW_CENTER | WINDOW_TITLEBAR); //Create a world world = CreateWorld(); //Create a framebuffer framebuffer = CreateFramebuffer(window); //Create a camera auto camera = CreateCamera(world); camera->SetClearColor(0, 0, 0); initGui(); ListenEvent(EVENT_DATA, NULL, EventCallback, btn); //Main loop while (window->Closed() == false and window->KeyDown(KEY_ESCAPE) == false) { if (window->KeyDown(KEY_SPACE)) { Print(btn.use_count()); EmitEvent(EVENT_DATA, btn); Print(btn.use_count()); } world->Update(); world->Render(framebuffer); } return 0; }