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Timer.cpp
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Timer.cpp
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//----------------------------------------------------//
// Timer.cpp //
// Singleton //
// Used to keep track of the time between each reset //
// A reset is usually called after each frame //
// //
// By: Ather Omar //
//----------------------------------------------------//
#include "Timer.h"
//--------------------------------------------------------
// QuickSDL
//--------------------------------------------------------
//Initializing sInstance to NULL
Timer* Timer::sInstance = NULL;
Timer* Timer::Instance()
{
//Create a new instance of Timer if no instance was created before
if (sInstance == NULL)
sInstance = new Timer();
return sInstance;
}
void Timer::Release()
{
delete sInstance;
sInstance = NULL;
}
Timer::Timer()
{
//Using Reset to initialize all the values beside mTimeScale
Reset();
mTimeScale = 1.0f;
}
Timer::~Timer()
{
}
void Timer::Reset()
{
mStartTicks = SDL_GetTicks();
mElapsedTicks = 0;
mDeltaTime = 0.0f;
}
float Timer::DeltaTime()
{
return mDeltaTime;
}
void Timer::TimeScale(float t)
{
mTimeScale = t;
}
float Timer::TimeScale()
{
return mTimeScale;
}
void Timer::Update()
{
mElapsedTicks = SDL_GetTicks() - mStartTicks;
//Converting milliseconds to seconds
mDeltaTime = mElapsedTicks * 0.001f;
}