diff --git a/.gitignore b/.gitignore
index c4ad399..498b041 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1,3 +1,4 @@
 build/
 a.out
 
+.vscode/
diff --git a/src/Arrow.cpp b/src/Arrow.cpp
index 9151c38..afa58b5 100644
--- a/src/Arrow.cpp
+++ b/src/Arrow.cpp
@@ -1,4 +1,6 @@
 #include "Arrow.hpp"
+#include <cmath>
+#include <numbers>
 
 Arrow::Arrow(GameRenderer *renderer, const double x, const double y, const double angle)
     : renderer(renderer), x(x), y(y), angle(angle)
@@ -12,7 +14,7 @@ void Arrow::draw(const double player_x, const double player_y) const
         sprite,
         (int)(x - sprite.width / 2 + renderer->screen_width / 2 - player_x),
         (int)(y - sprite.height / 2 + renderer->screen_height / 2 - player_y),
-        angle * 180 / M_PI
+        angle * 180 / std::numbers::pi
     );
 }
 
diff --git a/src/Game.cpp b/src/Game.cpp
index da85a17..a840c15 100644
--- a/src/Game.cpp
+++ b/src/Game.cpp
@@ -3,6 +3,7 @@
 #include "GameRenderer.hpp"
 #include "Player.hpp"
 #include "Game.hpp"
+#include <chrono>
 
 using namespace std::literals::chrono_literals;
 
diff --git a/src/Game.hpp b/src/Game.hpp
index 2a6523f..b8ac967 100644
--- a/src/Game.hpp
+++ b/src/Game.hpp
@@ -3,6 +3,7 @@
 
 #include <thread>
 #include <vector>
+#include <mutex>
 #include "Arrow.hpp"
 #include "GameRenderer.hpp"
 #include "Player.hpp"
diff --git a/src/GameRenderer.hpp b/src/GameRenderer.hpp
index 3a43613..e85c859 100644
--- a/src/GameRenderer.hpp
+++ b/src/GameRenderer.hpp
@@ -2,7 +2,7 @@
 #define GAME_RENDERER_HPP
 
 #include <string>
-#include <SDL2/SDL.h>
+// #include <SDL2/SDL.h>
 #include "Sprite.hpp"
 
 class GameRenderer
diff --git a/src/Player.cpp b/src/Player.cpp
index 9fcc1f4..b9bc131 100644
--- a/src/Player.cpp
+++ b/src/Player.cpp
@@ -1,5 +1,7 @@
 #include "GameRenderer.hpp"
 #include "Player.hpp"
+#include <cmath>
+#include <numbers>
 
 Player::Player(GameRenderer *renderer) : renderer(renderer)
 {
@@ -19,7 +21,7 @@ void Player::draw() const
         bow_sprite,
         (int)(renderer->screen_width / 2 - bow_sprite.width / 2 + std::cos(angle) * 30),
         (int)(renderer->screen_height / 2 - bow_sprite.height / 2 + std::sin(angle) * 30),
-        angle * 180 / M_PI
+        angle * 180 / std::numbers::pi
     );
 }
 
diff --git a/src/Sprite.hpp b/src/Sprite.hpp
index 4b65b2b..cdd2ec6 100644
--- a/src/Sprite.hpp
+++ b/src/Sprite.hpp
@@ -1,7 +1,8 @@
 #ifndef SPRITE_HPP
 #define SPRITE_HPP
 
-#include <SDL2/SDL_render.h>
+#include "Whatever.hpp"
+// #include <SDL2/SDL_render.h>
 
 typedef struct {
     SDL_Texture *texture;
diff --git a/src/Whatever.hpp b/src/Whatever.hpp
new file mode 100644
index 0000000..3092cfe
--- /dev/null
+++ b/src/Whatever.hpp
@@ -0,0 +1,42 @@
+#ifndef WHATEVER_HPP
+#define WHATEVER_HPP
+
+using SDL_Texture = void;
+using SDL_Renderer = void;
+using SDL_Window = void;
+
+enum SDL_Event_type {
+    SDL_QUIT,
+    SDL_KEYDOWN,
+    SDL_KEYUP,
+    SDL_MOUSEBUTTONDOWN,
+};
+
+enum SDL_Event_keysym_sym {
+    SDLK_RIGHT,
+    SDLK_d,
+    SDLK_LEFT,
+    SDLK_a,
+    SDLK_DOWN,
+    SDLK_s,
+    SDLK_UP,
+    SDLK_w,
+};
+
+struct SDL_Event {
+    SDL_Event_type type;
+    struct {
+        struct {
+            SDL_Event_keysym_sym sym;
+        } keysym;
+    } key;
+    struct {
+        int button;
+    } button;
+};
+
+
+void SDL_WaitEvent(SDL_Event*);
+void SDL_GetMouseState(int*, int*);
+
+#endif