From 7863e4caa1d07aef348a437fe0a662db68fd7ac3 Mon Sep 17 00:00:00 2001
From: Aki <please@ignore.pl>
Date: Sat, 21 May 2022 11:55:08 +0200
Subject: Added naive Timeline

---
 Timeline.cpp | 40 ++++++++++++++++++++++++++++++++++++++++
 1 file changed, 40 insertions(+)
 create mode 100644 Timeline.cpp

(limited to 'Timeline.cpp')

diff --git a/Timeline.cpp b/Timeline.cpp
new file mode 100644
index 0000000..b6003e5
--- /dev/null
+++ b/Timeline.cpp
@@ -0,0 +1,40 @@
+#include "Timeline.h"
+
+#include <algorithm>
+#include <ctime>
+
+
+Timeline::Timeline(const std::time_t start, const std::time_t end) :
+    m_start {start},
+    m_end {static_cast<double>(end - start)},
+    m_current {0.0}
+{
+}
+
+
+std::time_t
+Timeline::timestamp() const
+{
+    return m_start + m_current;
+}
+
+
+double
+Timeline::current() const
+{
+    return m_current;
+}
+
+
+double
+Timeline::progress() const
+{
+    return m_current / m_end;
+}
+
+
+double
+Timeline::move(const double dt)
+{
+    return m_current = std::clamp(m_current + dt, 0.0, m_end);
+}
-- 
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