std::string InputOutputException::get_message(ModelObject *o) const {
std::ostringstream oss;
switch (get_entity()) {
case DERIVATIVE:
if (o->get_model()->get_stage() == BEFORE_EVALUATING) {
oss << "Derivatives cannot be read before evaluating.";
break;
}
default:
switch (get_operation()) {
case GET:
oss << "Not in input list.";
break;
case SET:
case ADD:
case REMOVE:
oss << "Not in output list.";
break;
default:
// should not exist
oss << "Unknown read/write error";
}
break;
};
oss << " Violating object: \"" << o->get_name() << "\".";
if (particle_index_ >= 0) {
oss << " Attribute " << get_key_name() << " of particle \""
<< o->get_model()
->get_particle(ParticleIndex(get_particle_index()))
->get_name() << "\" with id " << get_particle_index();
} else {
oss << "Container \"" << container_name_ << "\".";
}
return oss.str();
}
virtual void particleCollision(const ParticleGeometryCollisionEventUnrecPtr ColE)
{
ParticleSystemRefPtr TheSystem= ColE->getSystem();
UInt32 ParticleIndex(ColE->getParticleIndex());
Vec3f Reflect(TheSystem->getVelocity(ParticleIndex).reflect(ColE->getHitNormal()));
TheSystem->setVelocity(Reflect, ParticleIndex);
TheSystem->setPosition(ColE->getHitPoint() + (0.00001f*Reflect), ParticleIndex);
}
void particleCollision(ParticleGeometryCollisionEventDetails* const details)
{
ParticleSystemRefPtr TheSystem= details->getSystem();
UInt32 ParticleIndex(details->getParticleIndex());
Real32 phi= osgACos((-TheSystem->getVelocity(ParticleIndex).dot(details->getHitNormal()))/(TheSystem->getVelocity(ParticleIndex).length()*details->getHitNormal().length()));
if( phi < osgDegree2Rad(80.0) )
{
TheSystem->killParticle(ParticleIndex);
}
else
{
//Reflect the Particle
Vec3f Reflect(TheSystem->getVelocity(ParticleIndex).reflect(details->getHitNormal()));
TheSystem->setVelocity(Reflect, ParticleIndex);
TheSystem->setPosition(details->getHitPoint() + (0.00001f*Reflect), ParticleIndex);
}
}
