diff --git a/CMakeLists.txt b/CMakeLists.txt
index 087a442..ee47078 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -19,7 +19,8 @@ include(FetchContent)
 # EnTT
 FetchContent_Declare(
     entt
-    URL https://github.com/skypjack/entt/archive/refs/tags/v3.12.0.tar.gz
+    SYSTEM
+    URL https://github.com/skypjack/entt/releases/download/v3.13.2/entt-v3.13.2.tar.gz
 )
 
 FetchContent_MakeAvailable(entt)
@@ -27,38 +28,42 @@ FetchContent_MakeAvailable(entt)
 # GLFW
 FetchContent_Declare(
     glfw
-    URL https://github.com/glfw/glfw/releases/download/3.3.8/glfw-3.3.8.zip
+    SYSTEM
+    URL https://github.com/glfw/glfw/releases/download/3.4/glfw-3.4.zip
 )
 
 # nlohmann-json
 FetchContent_Declare(
-    json 
-    URL https://github.com/nlohmann/json/releases/download/v3.11.2/json.tar.xz
+    json
+    SYSTEM
+    URL https://github.com/nlohmann/json/releases/download/v3.11.3/json.tar.xz
 )
 
 FetchContent_MakeAvailable(json)
 
-option(GLFW_BUILD_DOCS "" OFF)
-option(GLFW_BUILD_EXAMPLES "" OFF)
-option(GLFW_BUILD_TESTS "" OFF)
-option(GLFW_INSTALL "" OFF)
+set(GLFW_BUILD_DOCS OFF)
+set(GLFW_BUILD_EXAMPLES OFF)
+set(GLFW_BUILD_TESTS OFF)
+set(GLFW_INSTALL OFF)
 FetchContent_MakeAvailable(glfw)
 
 
 # fx-gltf
 FetchContent_Declare(
     fx-gltf
+    SYSTEM
     URL https://github.com/jessey-git/fx-gltf/archive/refs/tags/v2.0.0.tar.gz
 )
 
-option(FX_GLTF_BUILD_TESTS "" OFF)
-option(FX_GLTF_INSTALL "" OFF)
+set(FX_GLTF_BUILD_TESTS OFF)
+set(FX_GLTF_INSTALL OFF)
 FetchContent_MakeAvailable(fx-gltf)
 
 # glm
 FetchContent_Declare(
     glm
-    URL https://github.com/g-truc/glm/archive/refs/tags/0.9.9.8.tar.gz
+    SYSTEM
+    URL https://github.com/g-truc/glm/archive/refs/tags/1.0.1.tar.gz
 )
 
 FetchContent_MakeAvailable(glm)
@@ -66,7 +71,8 @@ FetchContent_MakeAvailable(glm)
 # glm
 FetchContent_Declare(
     spdlog
-    URL https://github.com/gabime/spdlog/archive/refs/tags/v1.11.0.tar.gz
+    SYSTEM
+    URL https://github.com/gabime/spdlog/archive/refs/tags/v1.14.1.tar.gz
 )
 
 FetchContent_MakeAvailable(spdlog)
diff --git a/CMakePresets.json b/CMakePresets.json
index 4eb2a56..d29c50e 100644
--- a/CMakePresets.json
+++ b/CMakePresets.json
@@ -35,7 +35,7 @@
             ],
             "cacheVariables": {
                 "CMAKE_BUILD_TYPE": "Debug",
-                "CMAKE_CXX_FLAGS": "-Wall -Wextra -Wpedantic"
+                "CMAKE_CXX_FLAGS": "-Wall -Wextra -Wpedantic -fdiagnostics-color=always"
             }
         }
     ]
diff --git a/src/CMakeLists.txt b/src/CMakeLists.txt
index 70e4964..1d235e1 100644
--- a/src/CMakeLists.txt
+++ b/src/CMakeLists.txt
@@ -1,42 +1,2 @@
-add_library(fever_engine
-    components/transform.cpp
-    core/graphics/framebuffer.cpp
-    core/graphics/image.cpp
-    core/graphics/material.cpp
-    core/graphics/mesh.cpp
-    core/camera.cpp
-    core/game_loop.cpp
-    core/glad.cpp
-    core/light.cpp
-    core/render.cpp
-    core/shader.cpp
-    core/time.cpp
-    input/input.cpp
-    scene/gltf.cpp
-    scene/gltf_loader.cpp
-    util/log.cpp
-    window/window.cpp
-)
-
-target_compile_features(fever_engine PUBLIC cxx_std_20)
-target_include_directories(fever_engine PUBLIC ${CMAKE_CURRENT_SOURCE_DIR})
-
-target_link_libraries(
-    fever_engine PUBLIC
-    glad
-    glfw
-    EnTT::EnTT
-    pthread
-    spdlog
-    glm
-    fx-gltf::fx-gltf
-    nlohmann_json::nlohmann_json
-    stb
-)
-
-add_executable(Fall-Fever
-    bin/main.cpp
-    bin/controller.cpp
-)
-
-target_link_libraries(Fall-Fever PRIVATE fever_engine)
+add_subdirectory(lib)
+add_subdirectory(bin)
diff --git a/src/bin/CMakeLists.txt b/src/bin/CMakeLists.txt
new file mode 100644
index 0000000..fc0d1e4
--- /dev/null
+++ b/src/bin/CMakeLists.txt
@@ -0,0 +1,6 @@
+add_executable(Fall-Fever
+    main.cpp
+    controller.cpp
+)
+
+target_link_libraries(Fall-Fever PRIVATE fever_core)
diff --git a/src/bin/controller.cpp b/src/bin/controller.cpp
index 1453e82..438555d 100644
--- a/src/bin/controller.cpp
+++ b/src/bin/controller.cpp
@@ -3,14 +3,15 @@
 #include "components/transform.h"
 #include "core/camera.h"
 #include "core/light.h"
+#include "spdlog/spdlog.h"
 #include "window/window.h"
 
 using namespace entt::literals;
 
-Controller::Controller()
+Controller::Controller(std::string_view path)
 {
-    std::filesystem::path document_path("ABeautifulGame.glb");
-    // std::filesystem::path document_path("WaterBottle/glTF-Binary/WaterBottle.glb");
+    spdlog::info("Open {}", path);
+    std::filesystem::path document_path(path);
     entt::hashed_string document_hash(document_path.string().c_str());
 
     entt::resource<Gltf> gltf_document =
diff --git a/src/bin/controller.h b/src/bin/controller.h
index 96fc0b4..2c7d77c 100644
--- a/src/bin/controller.h
+++ b/src/bin/controller.h
@@ -4,13 +4,10 @@
 
 #include <entt/entt.hpp>
 #include <glm/glm.hpp>
-#include <memory>
-#include <unordered_map>
-#include <vector>
 
 class Controller : public GameLoop
 {
 public:
-    Controller();
+    Controller(std::string_view path);
     void update() override;
 };
diff --git a/src/bin/main.cpp b/src/bin/main.cpp
index 66cbd73..677d907 100644
--- a/src/bin/main.cpp
+++ b/src/bin/main.cpp
@@ -2,11 +2,12 @@
 #include "util/log.h"
 
 #include <GLFW/glfw3.h>
-#include <iostream>
 #include <spdlog/spdlog.h>
 
-auto main() -> int
+auto main(int argc, char *argv[]) -> int
 {
+    auto arguments = std::span(argv, argc);
+
     Log::initialize();
 
     // Initialize GLFW
@@ -17,7 +18,7 @@ auto main() -> int
 
     {
         // Create controller
-        Controller controller;
+        Controller controller(arguments[1]);
         controller.run();
     }
 
diff --git a/src/lib/CMakeLists.txt b/src/lib/CMakeLists.txt
new file mode 100644
index 0000000..7271147
--- /dev/null
+++ b/src/lib/CMakeLists.txt
@@ -0,0 +1,35 @@
+add_library(fever_core
+    components/transform.cpp
+    core/graphics/framebuffer.cpp
+    core/graphics/image.cpp
+    core/graphics/material.cpp
+    core/graphics/mesh.cpp
+    core/camera.cpp
+    core/game_loop.cpp
+    core/glad.cpp
+    core/light.cpp
+    core/render.cpp
+    core/shader.cpp
+    core/time.cpp
+    input/input.cpp
+    scene/gltf.cpp
+    scene/gltf_loader.cpp
+    util/log.cpp
+    window/window.cpp
+)
+
+target_compile_features(fever_core PUBLIC cxx_std_20)
+target_include_directories(fever_core PUBLIC ${CMAKE_CURRENT_SOURCE_DIR})
+
+target_link_libraries(
+    fever_core PUBLIC
+    glad
+    glfw
+    EnTT::EnTT
+    pthread
+    spdlog
+    glm::glm
+    fx-gltf::fx-gltf
+    nlohmann_json::nlohmann_json
+    stb
+)
diff --git a/src/components/color.h b/src/lib/components/color.h
similarity index 100%
rename from src/components/color.h
rename to src/lib/components/color.h
diff --git a/src/components/name.h b/src/lib/components/name.h
similarity index 100%
rename from src/components/name.h
rename to src/lib/components/name.h
diff --git a/src/components/relationship.h b/src/lib/components/relationship.h
similarity index 100%
rename from src/components/relationship.h
rename to src/lib/components/relationship.h
diff --git a/src/components/transform.cpp b/src/lib/components/transform.cpp
similarity index 100%
rename from src/components/transform.cpp
rename to src/lib/components/transform.cpp
diff --git a/src/components/transform.h b/src/lib/components/transform.h
similarity index 96%
rename from src/components/transform.h
rename to src/lib/components/transform.h
index 1eb7028..2a93eeb 100644
--- a/src/components/transform.h
+++ b/src/lib/components/transform.h
@@ -2,6 +2,8 @@
 
 #include <entt/entt.hpp>
 #include <glm/glm.hpp>
+
+#define GLM_ENABLE_EXPERIMENTAL
 #include <glm/gtx/quaternion.hpp>
 
 struct Transform
diff --git a/src/core/camera.cpp b/src/lib/core/camera.cpp
similarity index 100%
rename from src/core/camera.cpp
rename to src/lib/core/camera.cpp
diff --git a/src/core/camera.h b/src/lib/core/camera.h
similarity index 100%
rename from src/core/camera.h
rename to src/lib/core/camera.h
diff --git a/src/core/game_loop.cpp b/src/lib/core/game_loop.cpp
similarity index 100%
rename from src/core/game_loop.cpp
rename to src/lib/core/game_loop.cpp
diff --git a/src/core/game_loop.h b/src/lib/core/game_loop.h
similarity index 100%
rename from src/core/game_loop.h
rename to src/lib/core/game_loop.h
diff --git a/src/core/glad.cpp b/src/lib/core/glad.cpp
similarity index 100%
rename from src/core/glad.cpp
rename to src/lib/core/glad.cpp
diff --git a/src/core/glad.h b/src/lib/core/glad.h
similarity index 100%
rename from src/core/glad.h
rename to src/lib/core/glad.h
diff --git a/src/core/graphics/framebuffer.cpp b/src/lib/core/graphics/framebuffer.cpp
similarity index 100%
rename from src/core/graphics/framebuffer.cpp
rename to src/lib/core/graphics/framebuffer.cpp
diff --git a/src/core/graphics/framebuffer.h b/src/lib/core/graphics/framebuffer.h
similarity index 100%
rename from src/core/graphics/framebuffer.h
rename to src/lib/core/graphics/framebuffer.h
diff --git a/src/core/graphics/image.cpp b/src/lib/core/graphics/image.cpp
similarity index 100%
rename from src/core/graphics/image.cpp
rename to src/lib/core/graphics/image.cpp
diff --git a/src/core/graphics/image.h b/src/lib/core/graphics/image.h
similarity index 100%
rename from src/core/graphics/image.h
rename to src/lib/core/graphics/image.h
diff --git a/src/core/graphics/material.cpp b/src/lib/core/graphics/material.cpp
similarity index 100%
rename from src/core/graphics/material.cpp
rename to src/lib/core/graphics/material.cpp
diff --git a/src/core/graphics/material.h b/src/lib/core/graphics/material.h
similarity index 100%
rename from src/core/graphics/material.h
rename to src/lib/core/graphics/material.h
diff --git a/src/core/graphics/mesh.cpp b/src/lib/core/graphics/mesh.cpp
similarity index 100%
rename from src/core/graphics/mesh.cpp
rename to src/lib/core/graphics/mesh.cpp
diff --git a/src/core/graphics/mesh.h b/src/lib/core/graphics/mesh.h
similarity index 100%
rename from src/core/graphics/mesh.h
rename to src/lib/core/graphics/mesh.h
diff --git a/src/core/light.cpp b/src/lib/core/light.cpp
similarity index 100%
rename from src/core/light.cpp
rename to src/lib/core/light.cpp
diff --git a/src/core/light.h b/src/lib/core/light.h
similarity index 100%
rename from src/core/light.h
rename to src/lib/core/light.h
diff --git a/src/core/render.cpp b/src/lib/core/render.cpp
similarity index 100%
rename from src/core/render.cpp
rename to src/lib/core/render.cpp
diff --git a/src/core/render.h b/src/lib/core/render.h
similarity index 100%
rename from src/core/render.h
rename to src/lib/core/render.h
diff --git a/src/core/shader.cpp b/src/lib/core/shader.cpp
similarity index 100%
rename from src/core/shader.cpp
rename to src/lib/core/shader.cpp
diff --git a/src/core/shader.h b/src/lib/core/shader.h
similarity index 100%
rename from src/core/shader.h
rename to src/lib/core/shader.h
diff --git a/src/core/time.cpp b/src/lib/core/time.cpp
similarity index 100%
rename from src/core/time.cpp
rename to src/lib/core/time.cpp
diff --git a/src/core/time.h b/src/lib/core/time.h
similarity index 100%
rename from src/core/time.h
rename to src/lib/core/time.h
diff --git a/src/input/input.cpp b/src/lib/input/input.cpp
similarity index 100%
rename from src/input/input.cpp
rename to src/lib/input/input.cpp
diff --git a/src/input/input.h b/src/lib/input/input.h
similarity index 100%
rename from src/input/input.h
rename to src/lib/input/input.h
diff --git a/src/post_processing/post_processing.cpp b/src/lib/post_processing/post_processing.cpp
similarity index 100%
rename from src/post_processing/post_processing.cpp
rename to src/lib/post_processing/post_processing.cpp
diff --git a/src/post_processing/post_processing.h b/src/lib/post_processing/post_processing.h
similarity index 100%
rename from src/post_processing/post_processing.h
rename to src/lib/post_processing/post_processing.h
diff --git a/src/scene/gltf.cpp b/src/lib/scene/gltf.cpp
similarity index 100%
rename from src/scene/gltf.cpp
rename to src/lib/scene/gltf.cpp
diff --git a/src/scene/gltf.h b/src/lib/scene/gltf.h
similarity index 100%
rename from src/scene/gltf.h
rename to src/lib/scene/gltf.h
diff --git a/src/scene/gltf_loader.cpp b/src/lib/scene/gltf_loader.cpp
similarity index 100%
rename from src/scene/gltf_loader.cpp
rename to src/lib/scene/gltf_loader.cpp
diff --git a/src/scene/gltf_loader.h b/src/lib/scene/gltf_loader.h
similarity index 100%
rename from src/scene/gltf_loader.h
rename to src/lib/scene/gltf_loader.h
diff --git a/src/scene/scene.cpp b/src/lib/scene/scene.cpp
similarity index 100%
rename from src/scene/scene.cpp
rename to src/lib/scene/scene.cpp
diff --git a/src/scene/scene.h b/src/lib/scene/scene.h
similarity index 100%
rename from src/scene/scene.h
rename to src/lib/scene/scene.h
diff --git a/src/util/log.cpp b/src/lib/util/log.cpp
similarity index 100%
rename from src/util/log.cpp
rename to src/lib/util/log.cpp
diff --git a/src/util/log.h b/src/lib/util/log.h
similarity index 100%
rename from src/util/log.h
rename to src/lib/util/log.h
diff --git a/src/window/window.cpp b/src/lib/window/window.cpp
similarity index 96%
rename from src/window/window.cpp
rename to src/lib/window/window.cpp
index be1b13a..8991a05 100644
--- a/src/window/window.cpp
+++ b/src/lib/window/window.cpp
@@ -42,6 +42,12 @@ Window::Window(entt::dispatcher& event_dispatcher) : event_dispatcher(event_disp
     glfwSetFramebufferSizeCallback(glfw_window.get(), framebuffer_size_callback);
 
     init_glad();
+    
+    {
+        int width, height;
+        glfwGetFramebufferSize(glfw_window.get(), &width, &height);
+        glViewport(0, 0, width, height);
+    }
 }
 
 void Window::glfw_error_callback(int error, char const* description)
diff --git a/src/window/window.h b/src/lib/window/window.h
similarity index 100%
rename from src/window/window.h
rename to src/lib/window/window.h