1 files changed, 8 insertions, 1 deletions
diff --git a/Stars45/Clock.h b/Stars45/Clock.h
index 512ee0f..4f51330 100644
--- a/Stars45/Clock.h
+++ b/Stars45/Clock.h
@@ -17,7 +17,9 @@ public:
     using elapsed_duration = std::chrono::milliseconds;
     using count_type = elapsed_duration::rep;
 
-    Clock();
+    static Clock* GetInstance();
+    static bool Init();
+    static void Close();
 
     void Set();
     double Step();
@@ -34,6 +36,8 @@ public:
     void SetTimeCompression(double compression);
 
 protected:
+    Clock();
+
     inner_clock::time_point m_point;
     inner_clock::duration m_game_elapsed;
     inner_clock::duration m_real_elapsed;
@@ -41,6 +45,9 @@ protected:
     double m_delta;
     double m_gui_delta;
     double m_rate;
+
+private:
+    static Clock* instance;
 };