Refactor...

src/playback.cpp

@@ -0,0 +1,48 @@
+#include "playback.h"
+
+#include <glm/common.hpp>
+
+namespace anm2ed::playback
+{
+  void Playback::toggle()
+  {
+    if (isFinished) time = 0.0f;
+    isFinished = false;
+    isPlaying = !isPlaying;
+  }
+
+  void Playback::clamp(int length)
+  {
+    time = glm::clamp(time, 0.0f, (float)length - 1.0f);
+  }
+
+  void Playback::tick(int fps, int length, bool isLoop)
+  {
+    if (isFinished) return;
+
+    time += (float)fps / 30.0f;
+
+    if (time >= (float)length)
+    {
+      if (isLoop)
+        time = 0.0f;
+      else
+      {
+        isPlaying = false;
+        isFinished = true;
+      }
+    }
+  }
+
+  void Playback::decrement(int length)
+  {
+    --time;
+    clamp(length);
+  }
+
+  void Playback::increment(int length)
+  {
+    ++time;
+    clamp(length);
+  }
+}