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-rw-r--r--Stars45/Clock.cpp26
1 files changed, 26 insertions, 0 deletions
diff --git a/Stars45/Clock.cpp b/Stars45/Clock.cpp
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+++ b/Stars45/Clock.cpp
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+/* Starshatter: The Open Source Project
+ Copyright (c) 2021-2022, Starshatter: The Open Source Project Contributors
+ Copyright (c) 2011-2012, Starshatter OpenSource Distribution Contributors
+ Copyright (c) 1997-2006, Destroyer Studios LLC.
+*/
+
+#include "Clock.h"
+
+#include <chrono>
+
+
+Clock::Clock() :
+ m_point {inner_clock::now()},
+ m_compression {1.0}
+{
+}
+
+
+double
+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;
+}