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diff --git a/imgui-1.92.1/examples/example_sdl2_metal/main.mm b/imgui-1.92.1/examples/example_sdl2_metal/main.mm
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index c1750b1..0000000
--- a/imgui-1.92.1/examples/example_sdl2_metal/main.mm
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@@ -1,189 +0,0 @@
-// Dear ImGui: standalone example application for SDL2 + Metal
-// (SDL is a cross-platform general purpose library for handling windows, inputs, OpenGL/Vulkan/Metal graphics context creation, etc.)
-
-// Learn about Dear ImGui:
-// - FAQ                  https://dearimgui.com/faq
-// - Getting Started      https://dearimgui.com/getting-started
-// - Documentation        https://dearimgui.com/docs (same as your local docs/ folder).
-// - Introduction, links and more at the top of imgui.cpp
-
-#include "imgui.h"
-#include "imgui_impl_sdl2.h"
-#include "imgui_impl_metal.h"
-#include <stdio.h>
-#include <SDL.h>
-
-#import <Metal/Metal.h>
-#import <QuartzCore/QuartzCore.h>
-
-int main(int, char**)
-{
-    // Setup Dear ImGui context
-    IMGUI_CHECKVERSION();
-    ImGui::CreateContext();
-    ImGuiIO& io = ImGui::GetIO(); (void)io;
-    io.ConfigFlags |= ImGuiConfigFlags_NavEnableKeyboard;  // Enable Keyboard Controls
-    io.ConfigFlags |= ImGuiConfigFlags_NavEnableGamepad;   // Enable Gamepad Controls
-
-    // Setup style
-    ImGui::StyleColorsDark();
-    //ImGui::StyleColorsLight();
-
-    // Load Fonts
-    // - If no fonts are loaded, dear imgui will use the default font. You can also load multiple fonts and use ImGui::PushFont()/PopFont() to select them.
-    // - AddFontFromFileTTF() will return the ImFont* so you can store it if you need to select the font among multiple.
-    // - If the file cannot be loaded, the function will return a nullptr. Please handle those errors in your application (e.g. use an assertion, or display an error and quit).
-    // - Use '#define IMGUI_ENABLE_FREETYPE' in your imconfig file to use Freetype for higher quality font rendering.
-    // - Read 'docs/FONTS.md' for more instructions and details.
-    // - Remember that in C/C++ if you want to include a backslash \ in a string literal you need to write a double backslash \\ !
-    //style.FontSizeBase = 20.0f;
-    //io.Fonts->AddFontDefault();
-    //io.Fonts->AddFontFromFileTTF("c:\\Windows\\Fonts\\segoeui.ttf");
-    //io.Fonts->AddFontFromFileTTF("../../misc/fonts/DroidSans.ttf");
-    //io.Fonts->AddFontFromFileTTF("../../misc/fonts/Roboto-Medium.ttf");
-    //io.Fonts->AddFontFromFileTTF("../../misc/fonts/Cousine-Regular.ttf");
-    //ImFont* font = io.Fonts->AddFontFromFileTTF("c:\\Windows\\Fonts\\ArialUni.ttf");
-    //IM_ASSERT(font != nullptr);
-
-    // Setup SDL
-    // (Some versions of SDL before <2.0.10 appears to have performance/stalling issues on a minority of Windows systems,
-    // depending on whether SDL_INIT_GAMECONTROLLER is enabled or disabled.. updating to latest version of SDL is recommended!)
-    if (SDL_Init(SDL_INIT_VIDEO | SDL_INIT_TIMER | SDL_INIT_GAMECONTROLLER) != 0)
-    {
-        printf("Error: %s\n", SDL_GetError());
-        return -1;
-    }
-
-    // Inform SDL that we will be using metal for rendering. Without this hint initialization of metal renderer may fail.
-    SDL_SetHint(SDL_HINT_RENDER_DRIVER, "metal");
-
-    // Enable native IME.
-    SDL_SetHint(SDL_HINT_IME_SHOW_UI, "1");
-
-    SDL_Window* window = SDL_CreateWindow("Dear ImGui SDL+Metal example", SDL_WINDOWPOS_CENTERED, SDL_WINDOWPOS_CENTERED, 1280, 720, SDL_WINDOW_RESIZABLE | SDL_WINDOW_ALLOW_HIGHDPI);
-    if (window == nullptr)
-    {
-        printf("Error creating window: %s\n", SDL_GetError());
-        return -2;
-    }
-
-    SDL_Renderer* renderer = SDL_CreateRenderer(window, -1, SDL_RENDERER_ACCELERATED | SDL_RENDERER_PRESENTVSYNC);
-    if (renderer == nullptr)
-    {
-        printf("Error creating renderer: %s\n", SDL_GetError());
-        return -3;
-    }
-
-    // Setup Platform/Renderer backends
-    CAMetalLayer* layer = (__bridge CAMetalLayer*)SDL_RenderGetMetalLayer(renderer);
-    layer.pixelFormat = MTLPixelFormatBGRA8Unorm;
-    ImGui_ImplMetal_Init(layer.device);
-    ImGui_ImplSDL2_InitForMetal(window);
-
-    id<MTLCommandQueue> commandQueue = [layer.device newCommandQueue];
-    MTLRenderPassDescriptor* renderPassDescriptor = [MTLRenderPassDescriptor new];
-
-    // Our state
-    bool show_demo_window = true;
-    bool show_another_window = false;
-    float clear_color[4] = {0.45f, 0.55f, 0.60f, 1.00f};
-
-    // Main loop
-    bool done = false;
-    while (!done)
-    {
-        @autoreleasepool
-        {
-            // Poll and handle events (inputs, window resize, etc.)
-            // You can read the io.WantCaptureMouse, io.WantCaptureKeyboard flags to tell if dear imgui wants to use your inputs.
-            // - When io.WantCaptureMouse is true, do not dispatch mouse input data to your main application, or clear/overwrite your copy of the mouse data.
-            // - When io.WantCaptureKeyboard is true, do not dispatch keyboard input data to your main application, or clear/overwrite your copy of the keyboard data.
-            // Generally you may always pass all inputs to dear imgui, and hide them from your application based on those two flags.
-            SDL_Event event;
-            while (SDL_PollEvent(&event))
-            {
-                ImGui_ImplSDL2_ProcessEvent(&event);
-                if (event.type == SDL_QUIT)
-                    done = true;
-                if (event.type == SDL_WINDOWEVENT && event.window.event == SDL_WINDOWEVENT_CLOSE && event.window.windowID == SDL_GetWindowID(window))
-                    done = true;
-            }
-
-            int width, height;
-            SDL_GetRendererOutputSize(renderer, &width, &height);
-            layer.drawableSize = CGSizeMake(width, height);
-            id<CAMetalDrawable> drawable = [layer nextDrawable];
-
-            id<MTLCommandBuffer> commandBuffer = [commandQueue commandBuffer];
-            renderPassDescriptor.colorAttachments[0].clearColor = MTLClearColorMake(clear_color[0] * clear_color[3], clear_color[1] * clear_color[3], clear_color[2] * clear_color[3], clear_color[3]);
-            renderPassDescriptor.colorAttachments[0].texture = drawable.texture;
-            renderPassDescriptor.colorAttachments[0].loadAction = MTLLoadActionClear;
-            renderPassDescriptor.colorAttachments[0].storeAction = MTLStoreActionStore;
-            id <MTLRenderCommandEncoder> renderEncoder = [commandBuffer renderCommandEncoderWithDescriptor:renderPassDescriptor];
-            [renderEncoder pushDebugGroup:@"ImGui demo"];
-
-            // Start the Dear ImGui frame
-            ImGui_ImplMetal_NewFrame(renderPassDescriptor);
-            ImGui_ImplSDL2_NewFrame();
-            ImGui::NewFrame();
-
-            // 1. Show the big demo window (Most of the sample code is in ImGui::ShowDemoWindow()! You can browse its code to learn more about Dear ImGui!).
-            if (show_demo_window)
-                ImGui::ShowDemoWindow(&show_demo_window);
-
-            // 2. Show a simple window that we create ourselves. We use a Begin/End pair to create a named window.
-            {
-                static float f = 0.0f;
-                static int counter = 0;
-
-                ImGui::Begin("Hello, world!");                          // Create a window called "Hello, world!" and append into it.
-
-                ImGui::Text("This is some useful text.");               // Display some text (you can use a format strings too)
-                ImGui::Checkbox("Demo Window", &show_demo_window);      // Edit bools storing our window open/close state
-                ImGui::Checkbox("Another Window", &show_another_window);
-
-                ImGui::SliderFloat("float", &f, 0.0f, 1.0f);            // Edit 1 float using a slider from 0.0f to 1.0f
-                ImGui::ColorEdit3("clear color", (float*)&clear_color); // Edit 3 floats representing a color
-
-                if (ImGui::Button("Button"))                            // Buttons return true when clicked (most widgets return true when edited/activated)
-                    counter++;
-                ImGui::SameLine();
-                ImGui::Text("counter = %d", counter);
-
-                ImGui::Text("Application average %.3f ms/frame (%.1f FPS)", 1000.0f / io.Framerate, io.Framerate);
-                ImGui::End();
-            }
-
-            // 3. Show another simple window.
-            if (show_another_window)
-            {
-                ImGui::Begin("Another Window", &show_another_window);   // Pass a pointer to our bool variable (the window will have a closing button that will clear the bool when clicked)
-                ImGui::Text("Hello from another window!");
-                if (ImGui::Button("Close Me"))
-                    show_another_window = false;
-                ImGui::End();
-            }
-
-            // Rendering
-            ImGui::Render();
-            ImGui_ImplMetal_RenderDrawData(ImGui::GetDrawData(), commandBuffer, renderEncoder);
-
-            [renderEncoder popDebugGroup];
-            [renderEncoder endEncoding];
-
-            [commandBuffer presentDrawable:drawable];
-            [commandBuffer commit];
-        }
-    }
-
-    // Cleanup
-    ImGui_ImplMetal_Shutdown();
-    ImGui_ImplSDL2_Shutdown();
-    ImGui::DestroyContext();
-
-    SDL_DestroyRenderer(renderer);
-    SDL_DestroyWindow(window);
-    SDL_Quit();
-
-    return 0;
-}