Moved window create from RenderEngine to CoreInstance

Core/Game/GameInstance.cpp

@@ -63,8 +63,13 @@ void GameInstance::start()
 	}
 }
 
-void GameInstance::quit()
+void GameInstance::stop()
 {
 	is_running = false;
+}
+
+void GameInstance::quit()
+{
+	stop();
 	core.quit();
 }

Core/Game/GameInstance.h

@@ -16,11 +16,8 @@ class GameInstance
 
 	std::atomic<bool> is_running = true;
 
-	// Create a window
-	// Render
-	// Pull events
 	void start();
-
+	void stop();
 public:
 	void quit();