Create callbacks.h

src/engine/callbacks.h

@@ -0,0 +1,17 @@
+#pragma once
+// Header
+// Other includes
+#include "types.h"
+
+class Callback {
+  public:
+    static void keyboardCallback(GLFWwindow* window, int key, int scancode, int action, int mods);
+};
+
+#ifdef CALLBACK_IMPL
+void Callback::keyboardCallback(GLFWwindow* window, int key, int scancode, int action, int mods) {
+  #ifndef NDEBUG
+  fmt::println("Key pressed: {}", scancode);
+  #endif
+}
+#endif