- Add Exit func

include/amethyst/app.hpp

@@ -11,6 +11,7 @@ class App {
     pDelta = 0.0;
     pTime = 0.0;
     pLast = 0LL;
+    pExit = false;
   }
   ~App() {}
 
@@ -18,8 +19,10 @@ class App {
   void Run();
   double Delta() const { return pDelta; }
   double Time() const { return pTime; }
+  void Exit() { pExit = true; }
 
  private:
+  bool pExit;
   ull pLast;
   double pDelta;
   double pTime;