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FPSMeasurement.h

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00001 //------------------------------------------------------------------------------
00002 // Lamp : Open source game middleware
00003 // Copyright (C) 2004  Junpei Ohtani ( Email : junpee@users.sourceforge.jp )
00004 //
00005 // This library is free software; you can redistribute it and/or
00006 // modify it under the terms of the GNU Lesser General Public
00007 // License as published by the Free Software Foundation; either
00008 // version 2.1 of the License, or (at your option) any later version.
00009 //
00010 // This library is distributed in the hope that it will be useful,
00011 // but WITHOUT ANY WARRANTY; without even the implied warranty of
00012 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
00013 // Lesser General Public License for more details.
00014 //
00015 // You should have received a copy of the GNU Lesser General Public
00016 // License along with this library; if not, write to the Free Software
00017 // Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
00018 //------------------------------------------------------------------------------
00019 
00020 /** @file
00021  * FPS計測ヘッダ
00022  * @author Junpee
00023  */
00024 
00025 #ifndef FPS_MEASUREMENT_H_
00026 #define FPS_MEASUREMENT_H_
00027 
00028 #include <Core/Utility/Timer.h>
00029 
00030 namespace Lamp{
00031 
00032 //------------------------------------------------------------------------------
00033 /**
00034  * FPS計測
00035  */
00036 class FPSMeasurement{
00037 public:
00038     /**
00039      * コンストラクタ
00040      */
00041     FPSMeasurement();
00042 
00043     /**
00044      * デストラクタ
00045      */
00046     virtual ~FPSMeasurement();
00047 
00048     /**
00049      * リセット
00050      */
00051     virtual void reset();
00052 
00053     /**
00054      * 計測
00055      * @return FPS
00056      */
00057     virtual float measurement();
00058 
00059     /**
00060      * FPSの取得
00061      * @return FPS
00062      */
00063     virtual float getFPS(){ return fps_; }
00064 
00065     //--------------------------------------------------------------------------
00066 private:
00067     // コピーコンストラクタの隠蔽
00068     FPSMeasurement(const FPSMeasurement& copy);
00069 
00070     // 代入コピーの隠蔽
00071     void operator =(const FPSMeasurement& copy);
00072 
00073     // FPS
00074     float fps_;
00075     // 前回タイム
00076     Timer::Tick lastTime_;
00077     // フレーム数
00078     int frameCount_;
00079 };
00080 
00081 //------------------------------------------------------------------------------
00082 } // End of namespace Lamp
00083 #endif // End of FPS_MEASUREMENT_H_
00084 //------------------------------------------------------------------------------
00085 

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