void SamplePool::Load() {
Path sampleDir("samples:");
I_Dir *dir=FileSystem::GetInstance()->Open(sampleDir.GetPath().c_str()) ;
if (!dir) {
return ;
}
// First, find all wav files
dir->GetContent("*.wav") ;
IteratorPtr<Path> it(dir->GetIterator()) ;
count_=0 ;
for(it->Begin();!it->IsDone();it->Next()) {
Path &path=it->CurrentItem() ;
// Trace::Dump("Got sample name '%s'",name) ;
loadSample(path.GetPath().c_str()) ;
if (count_==MAX_PIG_SAMPLES) {
Trace::Error("Warning maximum sample count reached") ;
break ;
} ;
} ;
// now, let's look at soundfonts
dir->GetContent("*.sf2") ;
IteratorPtr<Path> it2(dir->GetIterator()) ;
for(it2->Begin();!it2->IsDone();it2->Next()) {
Path &path=it2->CurrentItem() ;
loadSoundFont(path.GetPath().c_str()) ;
} ;
delete dir ;
// now sort the samples
int rest=count_ ;
while(rest>0) {
int index=0 ;
for (int i=1;i<rest;i++) {
if (strcmp(names_[i],names_[index])>0) {
index=i ;
};
} ;
SoundSource *tWav=wav_[index] ;
char *tName=names_[index] ;
wav_[index]=wav_[rest-1] ;
names_[index]=names_[rest-1] ;
wav_[rest-1]=tWav;
names_[rest-1]=tName ;
rest-- ;
} ;
} ;
void ParticleGenerator::initialize()
{
for (int i = 0; i < nMaxPtc; i++)
{
//double randVal = unitRandom(20);
m_Particles[i].pos = pos;
m_Particles[i].vel = sampleDir(i)
* (mVel + unitRandom(sample_div) * mVelVar);
m_Particles[i].life[1] = mLife
+ (2 * unitRandom(sample_div) - 1.0) * mLifeVar;
if (i < nPerFrame)
{
m_Particles[i].alive = true;
}
}
}
void ParticleGenerator::updateStatus()
{
Vector3D preVel;
Point3D prePos;
DifferentialGeometry* intersection = new DifferentialGeometry;
Float *tHit = new Float, *hitEpsilon = new Float;
for (int i = 0, nGen = 0; i < nMaxPtc; i++)
{
Particle* curPtc = m_Particles + i; // Current Particle
if (curPtc->alive)
{
if (curPtc->updateLifeStatus(timestep)) // if particle alive
{
preVel = curPtc->vel;
prePos = curPtc->pos;
// Update force influence
curPtc->vel += timestep * m_totalForce;
curPtc->pos += (curPtc->vel + preVel) * timestep * 0.5;
// Update field influence
// Do something here
// Update collision
// Do something here...
if (m_Collisions.size() > 0)
{
for (auto curCllsn : m_Collisions)
{
if (Collision::collide(prePos, curPtc->pos,
curCllsn, intersection, tHit, hitEpsilon))
{
intersection->object->getNormal(intersection);
curPtc->vel = 0.5 * (curPtc->vel
- intersection->normal
* (curPtc->vel * intersection->normal) * 2);
curPtc->pos = prePos;// intersection->pos + curPtc->vel * 0.5;
}
/*if (curCllsn->inLeaf(curPtc->pos))
{
curPtc->vel = -curPtc->vel;
}*/
}
}
}
else
{
nPtc--;
}
}
else
{
if (nPtc < nMaxAlive && nGen < nPerFrame)
{
curPtc->activate(pos, sampleDir(i)
* (mVel + unitRandom(255) * mVelVar));
nPtc++;
nGen++;
}
}
}
}
