SO3UniversalClock.h

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/*
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This source file is part of OpenSpace3D
For the latest info, see http://www.openspace3d.com
 
Copyright (c) 2012 I-maginer
 
This program is free software; you can redistribute it and/or modify it under
the terms of the GNU Lesser General Public License as published by the Free Software
Foundation; either version 2 of the License, or (at your option) any later
version.
 
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ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License for more details.
 
You should have received a copy of the GNU Lesser General Public License along with
this program; if not, write to the Free Software Foundation, Inc., 59 Temple
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http://www.gnu.org/copyleft/lesser.txt
 
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*/
 
/*
Taken from Caelum (http://www.ogre3d.org/wiki/index.php/Caelum)
*/
 
#ifndef __SO3_UNIVERSALCLOCK_H__
#define __SO3_UNIVERSALCLOCK_H__
 
#include "SO3Astronomy.h"
 
namespace SO3
{
 
class _SO3_Export SUniversalClock
{
public:
  static const double SECONDS_PER_DAY; 
protected:  
private:
        double mJulianDayBase;    
  double mCurrentTime;      
  double mLastUpdateTime;   
  float mTimeScale;         
 
public:
        SUniversalClock();
 
        void SetTimeScale(const float& scale);
 
        float GetTimeScale() const;
 
        void Update(const float& time);
 
  void SetJulianDay(const double& value);
 
  void SetGregorianDateTime(const int& year, const int& month, const int& day, const int& hour, const int& minute, const double& second);
 
  void GetGregorianDateTime(int& year, int& month, int& day, int& hour, int& minute, double& second);
 
  double GetJulianDay() const;
 
  double GetJulianDayDifference() const;
 
  double GetJulianSecond() const;
 
  double GetJulianSecondDifference() const;
};
 
}
 
#endif