Add Engine::UpdateCount to sync gameplay logic updates with game loop rather than draw frames

Source/Engine/Engine/Engine.cpp

@@ -60,6 +60,7 @@ namespace EngineImpl
 
 DateTime Engine::StartupTime;
 bool Engine::HasFocus = false;
+uint64 Engine::UpdateCount = 0;
 uint64 Engine::FrameCount = 0;
 Action Engine::FixedUpdate;
 Action Engine::Update;
@@ -296,6 +297,8 @@ void Engine::OnUpdate()
 {
     PROFILE_CPU_NAMED("Update");
 
+    UpdateCount++;
+
     // Update application (will gather data and other platform related events)
     {
         PROFILE_CPU_NAMED("Platform.Tick");

Source/Engine/Engine/Engine.h

@@ -28,7 +28,12 @@ public:
     API_FIELD(ReadOnly) static bool HasFocus;
 
     /// <summary>
-    /// Gets the current frame count since the start of the game.
+    /// Gets the current update counter since the start of the game.
+    /// </summary>
+    API_FIELD(ReadOnly) static uint64 UpdateCount;
+
+    /// <summary>
+    /// Gets the current frame (drawing) count since the start of the game.
     /// </summary>
     API_FIELD(ReadOnly) static uint64 FrameCount;