2 files changed, 56 insertions, 3 deletions
diff --git a/Stars45/Clock.cpp b/Stars45/Clock.cpp
index 6e3ec3f..8fd4f95 100644
--- a/Stars45/Clock.cpp
+++ b/Stars45/Clock.cpp
@@ -8,11 +8,24 @@
 
 #include <chrono>
 
+static constexpr double NO_COMPRESSION {1.0};
+static constexpr double STARTING_DELTA {1.0 / 60.0};
+
 
 Clock::Clock() :
-    m_point {inner_clock::now()},
-    m_compression {1.0}
+    m_epoch {inner_clock::now()}
+{
+    Reset();
+}
+
+
+void
+Clock::Reset()
 {
+    m_point = inner_clock::now();
+    m_compression = NO_COMPRESSION;
+    m_delta = STARTING_DELTA;
+    m_gui_delta = STARTING_DELTA;
 }
 
 
@@ -22,5 +35,35 @@ Clock::Step()
     const auto next = inner_clock::now();
     const std::chrono::duration<double> delta = next - m_point;
     m_point = next;
-    return delta.count() * m_compression;
+    m_delta = delta.count() * m_compression;
+    m_gui_delta = delta.count();
+    return m_delta;
+}
+
+
+double
+Clock::Delta() const
+{
+    return m_delta;
+}
+
+
+double
+Clock::GuiDelta() const
+{
+    return m_gui_delta;
+}
+
+
+void
+Clock::SetTimeCompression(double compression)
+{
+    m_compression = compression;
+}
+
+
+double
+Clock::TimeCompression() const
+{
+    return m_compression;
 }
diff --git a/Stars45/Clock.h b/Stars45/Clock.h
index e82315a..a0b3c4f 100644
--- a/Stars45/Clock.h
+++ b/Stars45/Clock.h
@@ -15,12 +15,22 @@ class Clock
 public:
     Clock();
 
+    void Reset();
     double Step();
 
+    double Delta() const;
+    double GuiDelta() const;
+
+    void SetTimeCompression(double compression);
+    double TimeCompression() const;
+
 protected:
     using inner_clock = std::chrono::high_resolution_clock;
+    inner_clock::time_point m_epoch;
     inner_clock::time_point m_point;
     double m_compression;
+    double m_delta;
+    double m_gui_delta;
 };