0027764: Visualization - add functionality for animation of 3D camera and interactive...

[occt.git] / src / AIS / AIS_AnimationTimer.cxx

diff --git a/src/AIS/AIS_AnimationTimer.cxx b/src/AIS/AIS_AnimationTimer.cxx
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+++ b/src/AIS/AIS_AnimationTimer.cxx
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+// Created by: Kirill Gavrilov
+// Copyright (c) 2016 OPEN CASCADE SAS
+//
+// This file is part of Open CASCADE Technology software library.
+//
+// This library is free software; you can redistribute it and/or modify it under
+// the terms of the GNU Lesser General Public License version 2.1 as published
+// by the Free Software Foundation, with special exception defined in the file
+// OCCT_LGPL_EXCEPTION.txt. Consult the file LICENSE_LGPL_21.txt included in OCCT
+// distribution for complete text of the license and disclaimer of any warranty.
+//
+// Alternatively, this file may be used under the terms of Open CASCADE
+// commercial license or contractual agreement.
+
+#include <AIS_AnimationTimer.hxx>
+
+IMPLEMENT_STANDARD_RTTIEXT(AIS_AnimationTimer, Standard_Transient)
+
+//=============================================================================
+//function : Pause
+//purpose  :
+//=============================================================================
+void AIS_AnimationTimer::Pause()
+{
+  myTimer.Stop();
+  myTimerFrom += myTimer.ElapsedTime() * myTimerSpeed;
+  myTimer.Reset();
+}
+
+//=============================================================================
+//function : Stop
+//purpose  :
+//=============================================================================
+void AIS_AnimationTimer::Stop()
+{
+  myTimer.Stop();
+  myTimer.Reset();
+  myTimerFrom = 0.0;
+}
+
+//=============================================================================
+//function : SetPlaybackSpeed
+//purpose  :
+//=============================================================================
+void AIS_AnimationTimer::SetPlaybackSpeed (const Standard_Real theSpeed)
+{
+  if (!myTimer.IsStarted())
+  {
+    myTimerSpeed = theSpeed;
+    return;
+  }
+
+  myTimer.Stop();
+  myTimerFrom += myTimer.ElapsedTime() * myTimerSpeed;
+  myTimer.Reset();
+  myTimerSpeed = theSpeed;
+  myTimer.Start();
+}
+
+//=============================================================================
+//function : SetPlaybackSpeed
+//purpose  :
+//=============================================================================
+void AIS_AnimationTimer::Seek (const Standard_Real theTime)
+{
+  const Standard_Boolean isStarted = myTimer.IsStarted();
+  myTimer.Stop();
+  myTimer.Reset();
+  myTimerFrom = theTime;
+  if (isStarted)
+  {
+    myTimer.Start();
+  }
+}