//-----------------------------------------------------------------------
void VortexExtern::_interface(ParticleTechnique* technique,
Particle* particle,
Real timeElapsed)
{
// Setting the distance threshold is mandatory
if (isAttached() && mDistanceThresholdSet)
{
Real distance = mDerivedPosition.distance(particle->position);
if (distance > mDistanceThreshold)
{
return;
}
else
{
// Rotate position, direction and orientation (visible particle only) based on distance between particle
// and VortexExtern
Real scalar = 1 - (distance / mDistanceThreshold);
if (mParentNode)
{
mRotation.FromAngleAxis((_calculateRotationSpeed() * timeElapsed * scalar), mParentNode->_getDerivedOrientation() * mRotationVector);
}
else
{
mRotation.FromAngleAxis((_calculateRotationSpeed() * timeElapsed * scalar), mRotationVector);
}
_affect(technique, particle, timeElapsed);
}
}
}
//-----------------------------------------------------------------------
void SphereColliderExtern::_interface(ParticleTechnique* technique,
Particle* particle,
Real timeElapsed)
{
if (isAttached())
{
if (mDistanceThresholdSet && mDerivedPosition.distance(particle->position) > mDistanceThreshold)
return;
// Use the derived SphereCollider functionality here
_affect(technique, particle, timeElapsed);
}
}
//-----------------------------------------------------------------------
void ParticleAffector::_processParticle(ParticleTechnique* particleTechnique, Particle* particle, Ogre::Real timeElapsed, bool firstParticle)
{
// Call the _firstParticle() function if the first particle in the update loop is encountered.
if (firstParticle)
{
// Perform a precalculation at the first particle
_firstParticle(particleTechnique, particle, timeElapsed);
}
if (!mExcludedEmitters.empty() && particle->parentEmitter)
{
// Return if the emitter which emits this particle is part of the list
Ogre::String emitterName = particle->parentEmitter->getName();
Ogre::list<Ogre::String>::type::iterator it;
it = std::find(mExcludedEmitters.begin(), mExcludedEmitters.end(), emitterName);
if (it != mExcludedEmitters.end())
{
return;
}
}
_affect(particleTechnique, particle, timeElapsed);
}
