Adapted Escape the Dawn engine.

src/Engine.h

@@ -0,0 +1,41 @@
+#include <string>
+#include <sstream>
+
+#include "Renderer.h"
+#include "GameWorld.h"
+
+class Engine
+{
+public:
+	Engine(int argc, char* argv[])
+	{
+		m_Renderer = std::make_shared<Renderer>();
+		m_Renderer->Initialize();
+
+		m_World = std::make_shared<GameWorld>(m_Renderer);
+		m_World->Initialize();
+
+		m_LastTime = glfwGetTime();
+	}
+
+	bool Running() const { return !glfwWindowShouldClose(m_Renderer->GetWindow()); }
+
+	void Tick()
+	{
+		double currentTime = glfwGetTime();
+		double dt =  currentTime - m_LastTime;
+		m_LastTime = currentTime;
+
+		m_World->Update(dt);
+		m_Renderer->Draw(dt);
+
+		glfwPollEvents();
+	}
+
+private:
+	std::shared_ptr<Renderer> m_Renderer;
+	// TODO: This should ultimately live in GameFrame
+	std::shared_ptr<GameWorld> m_World;
+
+	double m_LastTime;
+};