Files
Coleman-Code/COM380/Project5/GambleKit/Engine/Game/GkGameTimer.cpp
T
Amrit Panesar 39ee821f54 start 380 project5
changes to 380 project 4
changes to 350 project 2

Signed-off-by: Amrit Panesar <apanesar@4195tech.com>
2015-05-06 10:18:39 -07:00

55 lines
2.1 KiB
C++

//--------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
// GambleKit Copyright (C) 2014 Ivan Donev
//
// This library 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 2.1 of the License, or (at your option) any later version.
//
// This library is distributed in the hope that it will be useful, but WITHOUT 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 library; if not, write to the Free Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
//
// contact: gamblekit@gmail.com
//--------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
#include "GkGameTimer.h"
#include "..\OSSpecific\GkOSUtils.h"
GkGameTimer::GkGameTimer(void)
{
this->counterFrequency = GkOSUtils::GetPerformanceCounterFrequency();
this->Reset();
}
GkGameTimer::~GkGameTimer(void)
{
}
void GkGameTimer::Reset()
{
this->counterTime = GkOSUtils::GetPerformanceCounter();
this->Tick();
}
float GkGameTimer::Tick()
{
long long newCounterTime = GkOSUtils::GetPerformanceCounter();
this->tickTime = (float)((double)(newCounterTime - this->counterTime) / (double)this->counterFrequency);
this->counterTime = newCounterTime;
return this->tickTime;
}
long long GkGameTimer::GetSample()
{
return GkOSUtils::GetPerformanceCounter();
}
float GkGameTimer::GetSampleTime(long long sample)
{
return (float)(((double)(GkGameTimer::GetSample() - sample)) / ((double)GkOSUtils::GetPerformanceCounterFrequency()));
}