/*!
* \fn bool OSG::Animation::update(const Time& ElapsedTime)
*
* \brief Update the animation with the time since the last update
*
* The result of the animation will also be applied to the
* object it is connected to.
*
* \param[in] ElapsedTime The time, in seconds, since the previous call to
* update.
*/
bool Animation::update(const Time& ElapsedTime)
{
if(!_IsPlaying || _IsPaused)
{
return false;
}
//Increment the updated animations statistic
StatIntElem *NAnimationsStatElem = StatCollector::getGlobalElem(statNAnimations);
if(NAnimationsStatElem) { NAnimationsStatElem->inc(); }
//Start the animation update time statistic
StatTimeElem *AnimUpdateTimeStatElem = StatCollector::getGlobalElem(statAnimUpdateTime);
if(AnimUpdateTimeStatElem) { AnimUpdateTimeStatElem->start(); }
_CurrentTime += getScale()*ElapsedTime;
UInt32 PreUpdateCycleCount(getCycles());
if(getCycling() < 0 || PreUpdateCycleCount < getCycling())
{
Real32 CycleLength(getCycleLength() * getScale());
//Check if the Animation Time is past the end
if(_CurrentTime >= CycleLength)
{
//Update the number of cycles completed
setCycles( (CycleLength <= 0.0f) ? (0): (static_cast<UInt32>( osgFloor( _CurrentTime / CycleLength ) )) );
//commitChanges();
}
Real32 t(_CurrentTime);
if(getCycling() > 0 && getCycles() >= getCycling())
{
if(getSpan() > 0.0f)
{
t = getSpan();
}
t -= 0.0001f;
}
else
{
if(getSpan() > 0.0f)
{
t -= osgFloor(_CurrentTime/getSpan())*getSpan();
}
}
t += getOffset();
//Internal Update
internalUpdate(t, _PrevTime);
//If the number of cycles has changed
if(getCycles() != PreUpdateCycleCount)
{
if(getCycling() > 0 && getCycles() >= getCycling())
{
//Animation has reached the end
//Remove the Animation from it's update producer
_UpdateEventConnection.disconnect();
_IsPlaying = false;
//Produce the Ended event
produceAnimationEnded();
}
else
{
//Animation hasn't finished yet
//Produce the Cycled event
produceAnimationCycled();
}
}
}
_PrevTime = _CurrentTime;
//Stp[ the animation update time statistic
if(AnimUpdateTimeStatElem) { AnimUpdateTimeStatElem->stop(); }
//Return true if the animation has completed its number of cycles, false otherwise
return (getCycling() > 0 && getCycles() >= getCycling());
}
bool AnimationGroup::update(const Time& ElapsedTime)
{
if(!_IsPlaying || _IsPaused)
{
return false;
}
_CurrentTime += getScale()*ElapsedTime;
UInt32 PreUpdateCycleCount(getCycles());
if(getCycling() < 0 || PreUpdateCycleCount < getCycling())
{
Real32 CycleLength(getCycleLength() * getScale());
//Check if the Animation Time is past the end
if(_CurrentTime >= CycleLength)
{
//Update the number of cycles completed
setCycles( (CycleLength <= 0.0f) ? (0): (static_cast<UInt32>( osgFloor( _CurrentTime / CycleLength ) )) );
//commitChanges();
}
Real32 t(_CurrentTime);
if(getCycling() > 0 && getCycles() >= getCycling())
{
if(getSpan() > 0.0f)
{
t = getSpan();
}
else
{
t = CycleLength;
}
t -= 0.0001f;
}
else
{
if(getSpan() > 0.0f)
{
t -= osgFloor(_CurrentTime/getSpan())*getSpan();
}
}
t += getOffset();
//Internal Update
for(UInt32 i = 0; i < getMFAnimations()->size(); ++i)
{
getAnimations(i)->internalUpdate(t, _PrevTime);
}
//If the number of cycles has changed
if(getCycles() != PreUpdateCycleCount)
{
if(getCycling() > 0 && getCycles() >= getCycling())
{
//Animation has reached the end
//Remove the Animation from it's update producer
_UpdateEventConnection.disconnect();
_IsPlaying = false;
//Produce the Ended event
produceAnimationEnded();
}
else
{
//Animation hasn't finished yet
//Produce the Cycled event
produceAnimationCycled();
}
}
}
_PrevTime = _CurrentTime;
//Return true if the animation has completed its number of cycles, false otherwise
return (getCycling() > 0 && getCycles() >= getCycling());
}
