//-----------------------------------------------------------------------
bool PUOnTimeObserver::observe (PUParticle3D* particle, float timeElapsed)
{
if (_compare == CO_GREATER_THAN)
{
if (_sinceStartSystem)
{
// Validate whether time since start of the particle system > threshold
return (_particleSystem->getTimeElapsedSinceStart() > _threshold);
}
else
{
// Validate whether time since start of the particle emission > threshold
return (particle && (particle->totalTimeToLive - particle->timeToLive) > _threshold);
}
}
else if (_compare == CO_LESS_THAN)
{
if (_sinceStartSystem)
{
// Validate whether time since start of the particle system < threshold
return (_particleSystem->getTimeElapsedSinceStart() < _threshold);
}
else
{
// Validate whether time since start of the particle emission < threshold
return (particle && (particle->totalTimeToLive - particle->timeToLive) < _threshold);
}
}
else
{
// Equals
if (_sinceStartSystem)
{
// Validate whether time since start of the particle system == threshold
return almostEquals(_particleSystem->getTimeElapsedSinceStart(), _threshold, 0.01f);
}
else
{
// Validate whether time since start of the particle emission == threshold
return particle && almostEquals((particle->totalTimeToLive - particle->timeToLive), _threshold, 0.01f);
}
}
return false;
}
//-----------------------------------------------------------------------
bool OnTimeObserver::_observe (ParticleTechnique* particleTechnique, Particle* particle, Real timeElapsed)
{
if (mCompare == CO_GREATER_THAN)
{
if (mSinceStartSystem)
{
// Validate whether time since start of the particle system > threshold
return (mParentTechnique->getParentSystem()->getTimeElapsedSinceStart() > mThreshold);
}
else
{
// Validate whether time since start of the particle emission > threshold
return (particle && (particle->totalTimeToLive - particle->timeToLive) > mThreshold);
}
}
else if (mCompare == CO_LESS_THAN)
{
if (mSinceStartSystem)
{
// Validate whether time since start of the particle system < threshold
return (mParentTechnique->getParentSystem()->getTimeElapsedSinceStart() < mThreshold);
}
else
{
// Validate whether time since start of the particle emission < threshold
return (particle && (particle->totalTimeToLive - particle->timeToLive) < mThreshold);
}
}
else
{
// Equals
if (mSinceStartSystem)
{
// Validate whether time since start of the particle system == threshold
return almostEquals(mParentTechnique->getParentSystem()->getTimeElapsedSinceStart(), mThreshold, 0.01f);
}
else
{
// Validate whether time since start of the particle emission == threshold
return particle && almostEquals((particle->totalTimeToLive - particle->timeToLive), mThreshold, 0.01f);
}
}
return false;
}
//-----------------------------------------------------------------------
bool PUOnVelocityObserver::observe (PUParticle3D* particle, float timeElapsed)
{
if (!particle)
return false;
// Compensate for the scaled velocity
float scaleVelocity = _particleSystem->getParticleSystemScaleVelocity();
if (_compare == CO_GREATER_THAN)
{
// Changed in V 1.3.1
return (particle->calculateVelocity()) > (scaleVelocity * _threshold);
}
else if (_compare == CO_LESS_THAN)
{
return (particle->calculateVelocity()) < (scaleVelocity * _threshold);
}
else
{
// Equals
return almostEquals(particle->calculateVelocity(), (scaleVelocity * _threshold), 0.01f);
}
return false;
}
//-----------------------------------------------------------------------
bool OnVelocityObserver::_observe (ParticleTechnique* particleTechnique, Particle* particle, Real timeElapsed)
{
if (!particle)
return false;
// Compensate for the scaled velocity
Real scaleVelocity = particleTechnique->getParentSystem()->getScaleVelocity();
if (mCompare == CO_GREATER_THAN)
{
// Changed in V 1.3.1
return (particle->calculateVelocity()) > (scaleVelocity * mThreshold);
}
else if (mCompare == CO_LESS_THAN)
{
return (particle->calculateVelocity()) < (scaleVelocity * mThreshold);
}
else
{
// Equals
return almostEquals(particle->calculateVelocity(), (scaleVelocity * mThreshold), 0.01f);
}
return false;
}
