void ParticleHandler::init(){
#ifdef FIXEDSIZE
setNumParticles(FIXEDSIZE);
#else
setNumParticles(10000);
initGrid();
// loadModel();
initIndexes();
#endif
forceHandler->initForces();
}
void ParticleHandler::loadModel(string name){
bool addFaceCenter = true;
string path="/Users/Tintamar/Work/BO/Chrone/tests/";
if(name=="")path+= "pyramid.obj";
else path+=name;
ofFile file(path);
ofBuffer buf= file.readToBuffer();
ofBuffer::Lines lines = buf.getLines();
int numVec = 0,numFace=0;
for(auto l:lines){
if(l[0] == 'v'){
numVec++;
}
if (l[0] == 'f'){
numFace++;
}
}
numParticles = numVec+(addFaceCenter?numFace:0);
side = pow((double)numParticles,0.334);
positionInit.resize(numParticles, MyMatrixType::ColsAtCompileTime);
int idx=0;
double wi = getWidthSpace()/2.0;
for(auto l:lines){
if(l[0] == 'v'){
vector<string> ll = ofSplitString(l, " ");
positionInit.row(idx)[0] = ofToFloat(ll[1])*wi;
positionInit.row(idx)[1] = ofToFloat(ll[2])*wi;
positionInit.row(idx)[2] = ofToFloat(ll[3])*wi;
idx++;
}
if(l[0]=='f' && addFaceCenter){
vector<string> ll = ofSplitString(l, " ");
int numCoins = ll.size()-1;
Array<MatReal,3,1> middle;
middle.setZero();
for(int i = 0 ; i < numCoins ; i++){
middle+=positionInit.row(ofToInt(ll[i+1]));
}
middle/=numCoins;
positionInit.row(idx) = middle;
idx++;
}
}
setNumParticles(numParticles);
}
ParticleFilter::ParticleFilter(
int frameWidth, int frameHeight, int nParticles, int nIters,
int particleWidth, int particleHeight, int histSize, Target *target
)
{
type = Rectangle;
m_target = target;
img_height = frameHeight;
img_width = frameWidth;
m_num_particles_to_display = 0;
setNumParticles(nParticles);
setNumIters(nIters);
setParticleWidth(particleWidth);
setParticleHeight(particleHeight);
setParticlesToDisplay(m_num_particles_to_display);
setHistSize(histSize);
m_distortRange = 5;
srand(time(nullptr));
initializeParticles();
auto seed = std::chrono::high_resolution_clock::now().time_since_epoch().count();
m_RandomGen = std::mt19937(seed);
}
bool Localizer::loadConfig(istream& is)
{
while(1)
{
string line;
getline(is,line);
if(!is.good())
break;
if(line[0]=='#')
continue;
if(line=="end")
return true;
stringstream buffer(line);
string command;
buffer>>command;
if(command=="numParticles:")
{
int num;
buffer>>num;
setNumParticles(num);
}
else if(command=="neff:")
bool Emitter::parseParticleFile(std::string _filePath)
{
Parser p(_filePath);
std::string keyword = "";
while((keyword = p.getNextKeyword()) != "")
{
if(keyword == "ResourceID")
loadTexture(p.getInt(0));
else if(keyword == "NumParticles")
setNumParticles(p.getInt(0));
else if(keyword == "Pulse")
{
mPulseRate = p.getFloat(0);
mPulseLength = p.getFloat(1);
}
else if(keyword == "ColourStart")
{
mColourStart.r = (sf::Uint8)p.getFloat(0);
mColourStart.g = (sf::Uint8)p.getFloat(1);
mColourStart.b = (sf::Uint8)p.getFloat(2);
mColourStart.a = (sf::Uint8)p.getFloat(3);
}
else if(keyword == "ColourEnd")
{
mColourEnd.r = (sf::Uint8)p.getFloat(0);
mColourEnd.g = (sf::Uint8)p.getFloat(1);
mColourEnd.b = (sf::Uint8)p.getFloat(2);
mColourEnd.a = (sf::Uint8)p.getFloat(3);
}
else if(keyword == "ColourStartVariant")
{
mColourStartVariant.r = (sf::Uint8)p.getFloat(0);
mColourStartVariant.g = (sf::Uint8)p.getFloat(1);
mColourStartVariant.b = (sf::Uint8)p.getFloat(2);
mColourStartVariant.a = (sf::Uint8)p.getFloat(3);
}
else if(keyword == "ColourEndVariant")
{
mColourEndVariant.r = (sf::Uint8)p.getFloat(0);
mColourEndVariant.g = (sf::Uint8)p.getFloat(1);
mColourEndVariant.b = (sf::Uint8)p.getFloat(2);
mColourEndVariant.a = (sf::Uint8)p.getFloat(3);
}
else if(keyword == "SizeStart")
mSizeStart = p.getFloat(0);
else if(keyword == "SizeEnd")
mSizeEnd = p.getFloat(0);
else if(keyword == "SizeStartVariant")
mSizeStartVariant = p.getFloat(0);
else if(keyword == "SizeEndVariant")
mSizeEndVariant = p.getFloat(0);
else if(keyword == "SpeedStart")
mSpeedStart = p.getFloat(0);
else if(keyword == "SpeedEnd")
mSpeedEnd = p.getFloat(0);
else if(keyword == "SpeedStartVariant")
mSpeedStartVariant = p.getFloat(0);
else if(keyword == "SpeedEndVariant")
mSpeedEndVariant = p.getFloat(0);
else if(keyword == "LifeTime")
mLifeTime = p.getFloat(0);
else if(keyword == "LifeTimeVariant")
mLifeTimeVariant = p.getFloat(0);
else if(keyword == "PositionVariant")
{
mPositionVariant.x = p.getFloat(0);
mPositionVariant.y = p.getFloat(1);
}
}
calculateBirthRate();
return true;
}
