Added the game loop the game.

.gitignore

@@ -6,3 +6,4 @@ banner.txt
 print.d
 intro.d
 sleep.d
+game.d

src/game.cpp

@@ -0,0 +1,26 @@
+#include "include/game.h"
+
+void Game::gameloop(){
+  //This is the main game loop.
+  const int target_fps = 15;
+  const std::chrono::duration<double> target_frame_duration = chrono::duration<double>(1.0 / target_fps);
+  auto previous_time = std::chrono::steady_clock::now();
+
+
+  while(true){
+    auto current_time = std::chrono::steady_clock::now();
+        chrono::duration<double> elapsed_time = current_time - previous_time;
+
+        // Game logic and rendering here
+        system("clear"); 
+        cout << "Frame time: " << elapsed_time.count() << " seconds" << endl;
+
+        if (elapsed_time < target_frame_duration) {
+            chrono::duration<double> sleep_time = target_frame_duration - elapsed_time;
+            this_thread::sleep_for(sleep_time);
+        }
+        
+        previous_time = chrono::steady_clock::now();
+
+  }
+}

src/include/game.h

@@ -0,0 +1,12 @@
+#include <iostream>
+#include <chrono>
+#include <thread>
+#include <cstdlib>
+using namespace std;
+
+
+class Game{
+  public:
+    void gameloop();
+
+};

src/include/main.h

@@ -2,4 +2,5 @@
 #include "intro.h"
 #include "title.h"
 #include <cstdlib>
+#include "game.h"
 using namespace std;

src/main.cpp

@@ -5,7 +5,9 @@ int main (){
   //Title title; 
   Title::mainTitle();
   //Intro intro;
-  Intro::mainIntro();
+  //Intro::mainIntro();
-  //cin >> ;
+  Game game;
+  game.gameloop();
+  cin.get();
   return 0;
 }