diff --git a/modules/app/src/application.cpp b/modules/app/src/application.cpp
index ed82fbe..514da8a 100644
--- a/modules/app/src/application.cpp
+++ b/modules/app/src/application.cpp
@@ -52,7 +52,7 @@ Application::Application(): m_window(nullptr)
 
 	m_renderer = Renderer::create(
 	    (GLFWwindow *)m_window->get_handle(),
-	    m_graphics_context->get_shared_context(),
+	    lt::GraphicsContext::get_shared_context(),
 	    Renderer::CreateInfo {
 	        .quad_renderer_shader = AssetManager::get_shader("LT_ENGINE_RESOURCES_QUAD_SHADER"),
 	        .texture_renderer_shader = AssetManager::get_shader(
@@ -68,7 +68,7 @@ Application::Application(): m_window(nullptr)
 
 	m_user_interface = UserInterface::create(
 	    (GLFWwindow *)m_window->get_handle(),
-	    m_graphics_context->get_shared_context()
+	    lt::GraphicsContext::get_shared_context()
 	);
 
 	m_layer_stack = create_scope<LayerStack>();
diff --git a/modules/asset_baker/include/asset_baker/bakers.hpp b/modules/asset_baker/include/asset_baker/bakers.hpp
index 3d56d1d..efe7bd9 100644
--- a/modules/asset_baker/include/asset_baker/bakers.hpp
+++ b/modules/asset_baker/include/asset_baker/bakers.hpp
@@ -131,7 +131,7 @@ public:
 		return "TextLoader";
 	}
 
-	[[nodiscard]] auto load(std::filesystem::path file_path) const -> Assets::TextAsset::PackageData
+	[[nodiscard]] auto load(const std::filesystem::path& file_path) const -> Assets::TextAsset::PackageData
 	{
 		auto stream = std::ifstream { file_path, std::ios::binary };
 		if (!stream.good())
diff --git a/modules/camera/include/camera/scene.hpp b/modules/camera/include/camera/scene.hpp
index bbab610..9d02897 100644
--- a/modules/camera/include/camera/scene.hpp
+++ b/modules/camera/include/camera/scene.hpp
@@ -35,19 +35,19 @@ public:
 
 	void set_viewport_size(unsigned int width, unsigned int height);
 
-	void set_projection_type(ProjectionType projectionType);
+	void set_projection_type(ProjectionType projection_type);
 
 	void set_orthographic_size(float size);
 
-	void set_orthographic_far_plane(float farPlane);
+	void set_orthographic_far_plane(float far_plane);
 
-	void set_orthographic_near_plane(float nearPlane);
+	void set_orthographic_near_plane(float near_plane);
 
-	void set_perspective_vertical_fov(float verticalFov);
+	void set_perspective_vertical_fov(float vertical_fov);
 
-	void set_perspective_far_plane(float farPlane);
+	void set_perspective_far_plane(float far_plane);
 
-	void set_perspective_near_plane(float nearPlane);
+	void set_perspective_near_plane(float near_plane);
 
 	[[nodiscard]] auto get_orthographic_size() const -> float
 	{
diff --git a/modules/input/include/input/events/event.hpp b/modules/input/include/input/events/event.hpp
index 48e1d8a..80239a6 100644
--- a/modules/input/include/input/events/event.hpp
+++ b/modules/input/include/input/events/event.hpp
@@ -2,7 +2,7 @@
 
 namespace lt {
 
-enum class EventType
+enum class EventType : uint8_t
 {
 	None = 0,
 
@@ -24,7 +24,7 @@ enum class EventType
 	WindowGainFocus,
 };
 
-enum EventCategory
+enum EventCategory : uint8_t
 {
 	None = 0,
 
diff --git a/modules/input/include/input/events/keyboard.hpp b/modules/input/include/input/events/keyboard.hpp
index a509476..728c025 100644
--- a/modules/input/include/input/events/keyboard.hpp
+++ b/modules/input/include/input/events/keyboard.hpp
@@ -24,7 +24,10 @@ public:
 		return ss.str();
 	}
 
-	event_type(KeyPressed);
+	[[nodiscard]] auto get_event_type() const -> EventType override
+	{
+		return ::lt::EventType::KeyPressed;
+	}
 
 	event_category(InputEventCategory | KeyboardEventCategory);
 
diff --git a/modules/renderer/include/renderer/gl/blender.hpp b/modules/renderer/include/renderer/gl/blender.hpp
index b7d2992..b333866 100644
--- a/modules/renderer/include/renderer/gl/blender.hpp
+++ b/modules/renderer/include/renderer/gl/blender.hpp
@@ -8,7 +8,7 @@ namespace lt {
 class glBlender: public Blender
 {
 public:
-	virtual ~glBlender() = default;
+	~glBlender() override = default;
 	glBlender();
 
 	void enable(BlendFactor srcFactor, BlendFactor dstFactor) override;
diff --git a/modules/renderer/include/renderer/gl/buffers.hpp b/modules/renderer/include/renderer/gl/buffers.hpp
index df2d4ce..a63f894 100644
--- a/modules/renderer/include/renderer/gl/buffers.hpp
+++ b/modules/renderer/include/renderer/gl/buffers.hpp
@@ -10,7 +10,7 @@ class glConstantBuffer: public ConstantBuffer
 public:
 	glConstantBuffer(ConstantBufferIndex index, unsigned int size);
 
-	virtual ~glConstantBuffer();
+	~glConstantBuffer() override;
 
 	void bind() override;
 
diff --git a/modules/renderer/include/renderer/gl/framebuffers.hpp b/modules/renderer/include/renderer/gl/framebuffers.hpp
index 135be22..fd18364 100644
--- a/modules/renderer/include/renderer/gl/framebuffers.hpp
+++ b/modules/renderer/include/renderer/gl/framebuffers.hpp
@@ -10,7 +10,7 @@ class glFramebuffer: public Framebuffer
 public:
 	glFramebuffer(const FramebufferSpecification &specification);
 
-	virtual ~glFramebuffer();
+	~glFramebuffer() override;
 
 	void bind_as_target(const glm::vec4 &clearColor) override;
 
diff --git a/modules/renderer/include/renderer/programs/quad.hpp b/modules/renderer/include/renderer/programs/quad.hpp
index 1db6852..053282b 100644
--- a/modules/renderer/include/renderer/programs/quad.hpp
+++ b/modules/renderer/include/renderer/programs/quad.hpp
@@ -16,7 +16,7 @@ class Shader;
 class QuadRendererProgram: RendererProgram
 {
 public:
-	virtual ~QuadRendererProgram() = default;
+	~QuadRendererProgram() override = default;
 	struct QuadVertexData
 	{
 		glm::vec4 position;
@@ -25,7 +25,7 @@ public:
 	};
 
 	QuadRendererProgram(
-	    unsigned int maxVertices,
+	    unsigned int max_vertices,
 	    const Ref<SharedContext> &shared_context,
 	    Ref<Shader> shader
 	);
diff --git a/modules/renderer/include/renderer/programs/texture.hpp b/modules/renderer/include/renderer/programs/texture.hpp
index c50a070..e14573f 100644
--- a/modules/renderer/include/renderer/programs/texture.hpp
+++ b/modules/renderer/include/renderer/programs/texture.hpp
@@ -25,7 +25,7 @@ public:
 	};
 
 	TextureRendererProgram(
-	    unsigned int maxVertices,
+	    unsigned int max_vertices,
 	    const Ref<SharedContext> &shared_context,
 	    Ref<Shader> shader
 	);
diff --git a/modules/renderer/include/renderer/programs/tinted_texture.hpp b/modules/renderer/include/renderer/programs/tinted_texture.hpp
index 734bd8a..9b7682d 100644
--- a/modules/renderer/include/renderer/programs/tinted_texture.hpp
+++ b/modules/renderer/include/renderer/programs/tinted_texture.hpp
@@ -16,7 +16,7 @@ class SharedContext;
 class TintedTextureRendererProgram: RendererProgram
 {
 public:
-	virtual ~TintedTextureRendererProgram() = default;
+	~TintedTextureRendererProgram() override = default;
 	struct TintedTextureVertexData
 	{
 		glm::vec4 position;
@@ -27,8 +27,8 @@ public:
 	};
 
 	TintedTextureRendererProgram(
-	    unsigned int maxVertices,
-	    const Ref<SharedContext> &sharedContext,
+	    unsigned int max_vertices,
+	    const Ref<SharedContext> &shared_context,
 	    Ref<Shader> shader
 	);
 
diff --git a/modules/renderer/include/renderer/renderer.hpp b/modules/renderer/include/renderer/renderer.hpp
index f449c6a..ad694b9 100644
--- a/modules/renderer/include/renderer/renderer.hpp
+++ b/modules/renderer/include/renderer/renderer.hpp
@@ -42,8 +42,8 @@ public:
 	};
 
 	static auto create(
-	    GLFWwindow *window_handle,
-	    Ref<SharedContext> shared_context,
+	    GLFWwindow *windowHandle,
+	    Ref<SharedContext> sharedContext,
 	    CreateInfo create_info
 	) -> Scope<Renderer>;
 
@@ -67,9 +67,13 @@ public:
 		s_context->draw_quad_impl(position, size, std::move(texture));
 	}
 
-	static void draw_quad(const glm::mat4 &transform, const glm::vec4 &tint, Ref<Texture> texture)
+	static void draw_quad(
+	    const glm::mat4 &transform,
+	    const glm::vec4 &tint,
+	    const Ref<Texture> &texture
+	)
 	{
-		s_context->draw_quad_impl(transform, tint, std::move(texture));
+		s_context->draw_quad_impl(transform, tint, texture);
 	}
 
 	static void draw_quad(const glm::mat4 &transform, const glm::vec4 &tint)
@@ -77,9 +81,9 @@ public:
 		s_context->draw_quad_impl(transform, tint);
 	}
 
-	static void draw_quad(const glm::mat4 &transform, Ref<Texture> texture)
+	static void draw_quad(const glm::mat4 &transform, const Ref<Texture> &texture)
 	{
-		s_context->draw_quad_impl(transform, std::move(texture));
+		s_context->draw_quad_impl(transform, texture);
 	}
 
 	static void begin_scene(
@@ -123,7 +127,11 @@ private:
 
 	bool m_should_clear_backbuffer { false };
 
-	Renderer(GLFWwindow *windowHandle, Ref<SharedContext> sharedContext, CreateInfo create_info);
+	Renderer(
+	    GLFWwindow *window_handle,
+	    const Ref<SharedContext> &shared_context,
+	    CreateInfo create_info
+	);
 
 	void draw_quad_impl(
 	    const glm::vec3 &position,
diff --git a/modules/renderer/include/renderer/shader.hpp b/modules/renderer/include/renderer/shader.hpp
index be1e423..e5435c7 100644
--- a/modules/renderer/include/renderer/shader.hpp
+++ b/modules/renderer/include/renderer/shader.hpp
@@ -25,8 +25,8 @@ public:
 	};
 
 	static auto create(
-	    Ref<Assets::TextAsset> vertex_asset,
-	    Ref<Assets::TextAsset> pixel_asset,
+	    const Ref<Assets::TextAsset>& vertex_asset,
+	    const Ref<Assets::TextAsset>& pixel_asset,
 	    const Ref<SharedContext> &shared_context
 	) -> Ref<Shader>;
 
diff --git a/modules/renderer/include/renderer/texture.hpp b/modules/renderer/include/renderer/texture.hpp
index 52c2300..1d8b173 100644
--- a/modules/renderer/include/renderer/texture.hpp
+++ b/modules/renderer/include/renderer/texture.hpp
@@ -14,7 +14,7 @@ class Texture
 {
 public:
 	static Ref<Texture> create(
-	    Ref<Assets::TextureAsset> asset,
+	    const Ref<Assets::TextureAsset>& asset,
 	    const Ref<SharedContext> &shared_context
 	);
 
diff --git a/modules/renderer/src/renderer.cpp b/modules/renderer/src/renderer.cpp
index bbe6fad..37cd9ed 100644
--- a/modules/renderer/src/renderer.cpp
+++ b/modules/renderer/src/renderer.cpp
@@ -20,7 +20,7 @@ Renderer *Renderer::s_context = nullptr;
 
 Renderer::Renderer(
     GLFWwindow *window_handle,
-    Ref<SharedContext> shared_context,
+    const Ref<SharedContext>& shared_context,
     CreateInfo create_info
 )
     : m_quad_renderer(
diff --git a/modules/renderer/src/shader.cpp b/modules/renderer/src/shader.cpp
index 6c2c9d2..4d222fa 100644
--- a/modules/renderer/src/shader.cpp
+++ b/modules/renderer/src/shader.cpp
@@ -12,8 +12,8 @@
 namespace lt {
 
 /* static */ auto Shader::create(
-    Ref<Assets::TextAsset> vertex_asset,
-    Ref<Assets::TextAsset> pixel_asset,
+    const Ref<Assets::TextAsset>& vertex_asset,
+    const Ref<Assets::TextAsset>& pixel_asset,
     const Ref<SharedContext> &shared_context
 ) -> Ref<Shader>
 {
diff --git a/modules/renderer/src/texture.cpp b/modules/renderer/src/texture.cpp
index 03a4ae6..9472a45 100644
--- a/modules/renderer/src/texture.cpp
+++ b/modules/renderer/src/texture.cpp
@@ -12,8 +12,8 @@
 namespace lt {
 
 /* static */ auto Texture::create(
-    Ref<Assets::TextureAsset> asset,
-    const Ref<SharedContext> &shared_context
+    const Ref<Assets::TextureAsset>& asset,
+    const Ref<SharedContext> & /*shared_context*/
 ) -> Ref<Texture>
 {
 	switch (GraphicsContext::get_graphics_api())
diff --git a/modules/ui/include/ui/ui.hpp b/modules/ui/include/ui/ui.hpp
index 3133eb6..578d0a3 100644
--- a/modules/ui/include/ui/ui.hpp
+++ b/modules/ui/include/ui/ui.hpp
@@ -12,7 +12,7 @@ class SharedContext;
 class UserInterface
 {
 public:
-	static auto create(GLFWwindow *window_handle, Ref<SharedContext> shared_context)
+	static auto create(GLFWwindow *windowHandle, Ref<SharedContext> sharedContext)
 	    -> Scope<UserInterface>;
 
 	static void dockspace_begin();
@@ -25,7 +25,7 @@ public:
 
 	virtual ~UserInterface() = default;
 
-	void init(GLFWwindow *window_handle, Ref<SharedContext> sharedContext);
+	void init(GLFWwindow *windowHandle, Ref<SharedContext> sharedContext);
 
 	virtual void platform_implementation(
 	    GLFWwindow *window_handle,
diff --git a/modules/window/src/linux/window.cpp b/modules/window/src/linux/window.cpp
index a26924c..aa7cae2 100644
--- a/modules/window/src/linux/window.cpp
+++ b/modules/window/src/linux/window.cpp
@@ -9,8 +9,7 @@
 namespace lt {
 
 Window::~Window()
-{
-}
+= default;
 
 auto Window::create(const std::function<void(Event &)> &callback) -> Scope<Window>
 {
@@ -18,7 +17,7 @@ auto Window::create(const std::function<void(Event &)> &callback) -> Scope<Windo
 }
 
 lWindow::lWindow(std::function<void(Event &)> callback)
-    : m_event_callback(std::move(std::move(callback)))
+    : m_handle(glfwCreateWindow(1u, 1u, "", nullptr, nullptr)), m_event_callback(std::move(std::move(callback)))
 {
 	// init glfw
 	ensure(glfwInit(), "lWindow::lWindow: failed to initialize 'glfw'");
@@ -29,7 +28,7 @@ lWindow::lWindow(std::function<void(Event &)> callback)
 	glfwWindowHint(GLFW_OPENGL_PROFILE, GLFW_OPENGL_CORE_PROFILE);
 	glfwWindowHint(GLFW_VISIBLE, GLFW_FALSE);
 
-	m_handle = glfwCreateWindow(1u, 1u, "", nullptr, nullptr);
+	
 	ensure(m_handle, "lWindow::lWindow: failed to create 'GLFWwindow'");
 
 	glfwSetWindowUserPointer(m_handle, &m_event_callback);