Make it so that DNEBUG is forced on release build, and that the UI stats counter will show that this is a debug build or not via NDEBUG.

raycaster.cpp

@@ -1,6 +1,7 @@
 #include "raycaster.hpp"
 #include "texture.hpp"
 #include <algorithm>
+#include "constants.hpp"
 
 using namespace fmt;
 using std::make_unique;
@@ -37,7 +38,7 @@ Raycaster::Raycaster(sf::RenderWindow& window, Matrix &map, int width, int heigh
   spriteDistance($textures.NUM_SPRITES),
   ZBuffer(width)
 {
-  // $window.setVerticalSyncEnabled(true);
+  $window.setVerticalSyncEnabled(VSYNC);
   $view_sprite.setPosition({0, 0});
   $pixels = make_unique<RGBA[]>($width * $height);
   $textures.load_textures();