Merge pull request #71 from Dragonfly911117/cursor-thing-v2

Fix #52

Author: ntut-rick

src/Util/Input.cpp

@@ -1,6 +1,7 @@
 #include "Util/Input.hpp"
 
 #include <SDL_events.h> // for SDL_Event
+#include "config.hpp"
 
 namespace Util {
 
@@ -52,6 +53,9 @@ void Input::Update() {
     s_CursorPosition.x = static_cast<float>(x);
     s_CursorPosition.y = static_cast<float>(y);
 
+    s_CursorPosition.x -= static_cast<float>(WINDOW_WIDTH) / 2;
+    s_CursorPosition.y = -(s_CursorPosition.y - static_cast<float>(WINDOW_HEIGHT) / 2);
+
     s_LBPressed = s_RBPressed = s_MBPressed = s_Scroll = s_MouseMoving = false;
 
     while (SDL_PollEvent(&s_Event) != 0) {