Initial late commit

open_engine/include/open_engine/imgui/imgui_layer.hpp

@@ -0,0 +1,26 @@
+#ifndef IMGUI_LAYER_HPP
+#define IMGUI_LAYER_HPP
+
+#include "../core.hpp"
+#include "../layer.hpp"
+
+namespace OpenEngine {
+    class OE_API ImGuiLayer : public Layer
+    {
+        public:
+            ImGuiLayer();
+            ~ImGuiLayer() = default;
+
+            virtual void OnAttach() override;
+            virtual void OnDetach() override;
+            virtual void OnImGuiRender() override;
+
+            void Begin();
+            void End();
+
+        private:
+            float previous_frame_time = 0.0f;
+    };
+}
+
+#endif // IMGUI_LAYER_HPP