added base files

engine/CMakeLists.txt

@@ -28,6 +28,7 @@ set(CUBOS_ENGINE_SOURCE
     "src/cubos/engine/tools/world_inspector/plugin.cpp"
     "src/cubos/engine/tools/entity_inspector/plugin.cpp"
     "src/cubos/engine/tools/scene_editor/plugin.cpp"
+    "src/cubos/engine/tools/debug_camera/plugin.cpp"
 
     "src/cubos/engine/transform/plugin.cpp"
     "src/cubos/engine/transform/local_to_world.cpp"

engine/include/cubos/engine/tools/debug_camera/plugin.hpp

@@ -0,0 +1,18 @@
+/// @dir
+/// @brief @ref debug-camera-plugin plugin directory.
+
+/// @file
+/// @brief Plugin entry point.
+/// @ingroup debug-camera-plugin
+
+#pragma once
+
+#include <cubos/engine/cubos.hpp>
+
+namespace cubos::engine::tools
+{
+    /// @brief Plugin entry function.
+    /// @param cubos @b CUBOS. main class
+    /// @ingroup debug-camera-plugin
+    void debugCameraPlugin(Cubos& cubos);
+} // namespace cubos::engine::tools

engine/src/cubos/engine/tools/debug_camera/plugin.cpp

@@ -0,0 +1,22 @@
+#include <imgui.h>
+
+#include <cubos/engine/tools/debug_camera/plugin.hpp>
+
+using cubos::core::ecs::Write;
+
+using namespace cubos::engine;
+
+static void inspector(Write<Settings> settings)
+{
+    ImGui::Begin("Debug Camera");
+
+    printf("debug camera");
+
+    ImGui::End();
+}
+
+void cubos::engine::tools::debugCameraPlugin(Cubos& cubos)
+{
+    // cubos.addPlugin(imguiPlugin);
+    cubos.system(inspector).tagged("cubos.imgui");
+}