added stuff

examples/CMakeLists.txt

@@ -2,6 +2,7 @@ add_subdirectory(example_barycentric)
 add_subdirectory(example_glfw3)
 add_subdirectory(example_proj_mat_builder)
 add_subdirectory(example_signature_scan)
+add_subdirectory(example_hud)
 
 if(OMATH_ENABLE_VALGRIND)
     omath_setup_valgrind(example_projection_matrix_builder)

examples/example_hud/CMakeLists.txt

@@ -0,0 +1,15 @@
+project(example_hud)
+
+
+add_executable(${PROJECT_NAME} main.cpp gui/main_window.cpp gui/main_window.hpp)
+
+set_target_properties(${PROJECT_NAME} PROPERTIES
+        ARCHIVE_OUTPUT_DIRECTORY "${CMAKE_SOURCE_DIR}/out/${CMAKE_BUILD_TYPE}"
+        LIBRARY_OUTPUT_DIRECTORY "${CMAKE_SOURCE_DIR}/out/${CMAKE_BUILD_TYPE}"
+        CXX_STANDARD 23
+        CXX_STANDARD_REQUIRED ON)
+
+find_package(OpenGL)
+find_package(GLEW REQUIRED)
+find_package(glfw3 CONFIG REQUIRED)
+target_link_libraries(${PROJECT_NAME} PRIVATE glfw imgui::imgui omath::omath OpenGL::GL)

examples/example_hud/gui/main_window.cpp

@@ -0,0 +1,110 @@
+//
+// Created by Orange on 11/11/2024.
+//
+
+#include "main_window.hpp"
+#include "omath/hud/renderer_realizations/imgui_renderer.hpp"
+#include <GLFW/glfw3.h>
+#include <algorithm>
+#include <imgui.h>
+#include <imgui_impl_glfw.h>
+#include <imgui_impl_opengl3.h>
+#include <omath/hud/entity_overlay.hpp>
+
+namespace imgui_desktop::gui
+{
+    bool MainWindow::m_canMoveWindow = false;
+
+    MainWindow::MainWindow(const std::string_view& caption, int width, int height)
+    {
+        if (!glfwInit())
+            std::exit(EXIT_FAILURE);
+
+        glfwWindowHint(GLFW_TRANSPARENT_FRAMEBUFFER, true);
+        m_window = glfwCreateWindow(width, height, caption.data(), nullptr, nullptr);
+
+        glfwMakeContextCurrent(m_window);
+
+        ImGui::CreateContext();
+        ImGui::StyleColorsDark();
+
+        ImGui::GetStyle().Colors[ImGuiCol_WindowBg] = {0.f, 0.f, 0.f, 0.f};
+
+        ImGui::GetStyle().AntiAliasedLines = false;
+        ImGui::GetStyle().AntiAliasedFill = false;
+
+        ImGui_ImplGlfw_InitForOpenGL(m_window, true);
+        ImGui_ImplOpenGL3_Init("#version 130");
+    }
+
+    void MainWindow::Run()
+    {
+        omath::Color box_color = {0.f, 0.f, 0.f, 1.f};
+        omath::Color box_fill = {0.f, 0.f, 0.f, 0.f};
+        omath::Color bar_color = {0.f, 1.f, 0.f, 1.f};
+        omath::Color bar_bg_color = {0.f, 0.f, 0.f, 0.0f};
+        omath::Color bar_outline_color = {0.f, 0.f, 0.f, 1.f};
+        float bar_width = 3.f;
+        float bar_value = 1.f;
+
+        while (!glfwWindowShouldClose(m_window) && m_opened)
+        {
+            glfwPollEvents();
+
+            ImGui_ImplOpenGL3_NewFrame();
+            ImGui_ImplGlfw_NewFrame();
+            ImGui::NewFrame();
+
+            ImGui::GetBackgroundDrawList()->AddRectFilled({}, ImGui::GetMainViewport()->Size, ImColor(40, 40, 40, 200));
+
+            ImGui::Begin("OHUD Showcase", &m_opened,
+                         ImGuiWindowFlags_NoMove | ImGuiWindowFlags_NoResize | ImGuiWindowFlags_NoCollapse | ImGuiWindowFlags_NoDecoration);
+            {
+                ImGui::SetWindowPos({});
+                ImGui::SetWindowSize(ImGui::GetMainViewport()->Size);
+
+                ImGui::ColorEdit4("Box", reinterpret_cast<float*>(&box_color), ImGuiColorEditFlags_NoInputs);
+                ImGui::ColorEdit4("Box fill", reinterpret_cast<float*>(&box_fill), ImGuiColorEditFlags_NoInputs);
+                ImGui::ColorEdit4("Bar", reinterpret_cast<float*>(&bar_color), ImGuiColorEditFlags_NoInputs);
+                ImGui::ColorEdit4("Bar Background", reinterpret_cast<float*>(&bar_bg_color),
+                                  ImGuiColorEditFlags_NoInputs);
+                ImGui::ColorEdit4("Bar Outline", reinterpret_cast<float*>(&bar_outline_color),
+                                  ImGuiColorEditFlags_NoInputs);
+
+                ImGui::PushItemWidth(100.f);
+                ImGui::SliderFloat("Bar Width", &bar_width, 1.f, 20.f);
+                ImGui::SliderFloat("Bar Value", &bar_value, 0.f, 1.f);
+                ImGui::PopItemWidth();
+                ImGui::End();
+            }
+
+            omath::hud::EntityOverlay ent({400.f, 100.f}, {400.f, 400.f}, std::make_shared<omath::hud::ImguiHudRenderer>());
+
+            ent.add_2d_box(box_color, box_fill, 1.f);
+            ent.add_cornered_2d_box(omath::Color::from_rgba(255, 0, 255, 255), box_fill);
+            ent.add_right_bar(bar_color, bar_outline_color, bar_bg_color, bar_width, bar_value);
+            ent.add_left_bar(bar_color, bar_outline_color, bar_bg_color, bar_width, bar_value);
+            ent.add_top_bar(bar_color, bar_outline_color, bar_bg_color, bar_width, bar_value);
+            ent.add_right_label({0.f, 1.f, 0.f, 1.f}, 3, true, "Health: {}/100", 100);
+            ent.add_right_label({1.f, 0.f, 0.f, 1.f}, 3, true, "Shield: {}/125", 125);
+            ent.add_right_label({1.f, 0.f, 1.f, 1.f}, 3, true, "*LOCKED*");
+
+            ent.add_top_label(omath::Color::from_rgba(255, 255, 0, 255), 3, true, "*SCOPED*");
+            ent.add_top_label(omath::Color::from_rgba(255, 0, 0, 255), 3, true, "*BLEEDING*");
+            ent.add_snap_line(omath::Vector2<float>{400, 600}, omath::Color::from_rgba(255, 0, 0, 255), 2.f);
+            ImGui::Render();
+
+            int display_w, display_h;
+
+            glfwGetFramebufferSize(m_window, &display_w, &display_h);
+            glViewport(0, 0, display_w, display_h);
+
+            glClearColor(0.f, 0.f, 0.f, 0.f);
+            glClear(GL_COLOR_BUFFER_BIT);
+            ImGui_ImplOpenGL3_RenderDrawData(ImGui::GetDrawData());
+            glfwSwapBuffers(m_window);
+        }
+        glfwDestroyWindow(m_window);
+    }
+} // namespace imgui_desktop::gui
+// imgui_desktop

examples/example_hud/gui/main_window.hpp

@@ -0,0 +1,28 @@
+//
+// Created by Vlad on 6/17/2025.
+//
+
+//
+// Created by Orange on 11/11/2024.
+//
+#pragma once
+#include <string_view>
+
+struct GLFWwindow;
+
+namespace imgui_desktop::gui
+{
+    class MainWindow
+    {
+    public:
+        MainWindow(const std::string_view &caption, int width, int height);
+
+        void Run();
+
+    private:
+        GLFWwindow* m_window;
+        static bool m_canMoveWindow;
+        bool m_opened = true;
+    };
+} // gui
+// imgui_desktop

examples/example_hud/main.cpp

@@ -0,0 +1,8 @@
+//
+// Created by orange on 13.03.2026.
+//
+#include "gui/main_window.hpp"
+int main()
+{
+    imgui_desktop::gui::MainWindow("omath::hud", 800, 600).Run();
+}

include/omath/hud/entity_overlay.hpp

@@ -53,7 +53,7 @@ namespace omath::hud
         void add_top_bar(const Color& color, const Color& outline_color, const Color& bg_color, float height,
                          float ratio, float offset = 5.f);
 
-        void add_snap_line(const Vector3<float>& start_pos, const Color& color, float width);
+        void add_snap_line(const Vector2<float>& start_pos, const Color& color, float width);
 
     private:
         void draw_outlined_text(const Vector2<float>& position, const Color& color,

source/hud/entity_overlay.cpp

@@ -113,7 +113,7 @@ namespace omath::hud
 
         m_text_cursor_top.y -= offset + height;
     }
-    void EntityOverlay::add_snap_line(const Vector3<float>& start_pos, const Color& color, const float width)
+    void EntityOverlay::add_snap_line(const Vector2<float>& start_pos, const Color& color, const float width)
     {
         const Vector2<float> line_end =
                 m_canvas.bottom_left_corner

vcpkg.json

@@ -31,7 +31,11 @@
       "dependencies": [
         "glfw3",
         "glew",
-        "opengl"
+        "opengl",
+        {
+          "name": "imgui",
+          "features": ["glfw-binding", "opengl3-binding"]
+        }
       ]
     },
     "imgui": {