// react to keys
void keyboard(unsigned char k, int , int )
{
switch(k)
{
case 27: exit(1);
case '0': beginEditCP(particles, Particles::ModeFieldMask);
particles->setMode(Particles::Points);
endEditCP (particles, Particles::ModeFieldMask);
FLOG(("Particles switched to Points mode\n"));
break;
case '1': beginEditCP(particles, Particles::ModeFieldMask);
particles->setMode(Particles::Lines);
endEditCP (particles, Particles::ModeFieldMask);
FLOG(("Particles switched to Lines mode\n"));
break;
case '2': beginEditCP(particles, Particles::ModeFieldMask);
particles->setMode(Particles::ViewDirQuads);
endEditCP (particles, Particles::ModeFieldMask);
FLOG(("Particles switched to ViewDirQuads mode\n"));
break;
case '3': beginEditCP(particles, Particles::ModeFieldMask);
particles->setMode(Particles::ViewerQuads);
endEditCP (particles, Particles::ModeFieldMask);
FLOG(("Particles switched to ViewerQuads mode\n"));
break;
case '4': beginEditCP(particles, Particles::ModeFieldMask);
particles->setMode(Particles::Arrows);
endEditCP (particles, Particles::ModeFieldMask);
FLOG(("Particles switched to Arrows mode\n"));
break;
case '5': beginEditCP(particles, Particles::ModeFieldMask);
particles->setMode(Particles::ViewerArrows);
endEditCP (particles, Particles::ModeFieldMask);
FLOG(("Particles switched to ViewerArrows mode\n"));
break;
case '6': beginEditCP(particles, Particles::ModeFieldMask);
particles->setMode(Particles::Rectangles);
endEditCP (particles, Particles::ModeFieldMask);
FLOG(("Particles switched to Rectangles mode\n"));
break;
case 'q': beginEditCP(particles, Particles::DrawOrderFieldMask);
particles->setDrawOrder(Particles::BackToFront);
endEditCP (particles, Particles::DrawOrderFieldMask);
FLOG(("Draw order switched to BackToFront mode\n"));
break;
case 'w': beginEditCP(particles, Particles::DrawOrderFieldMask);
particles->setDrawOrder(Particles::Any);
endEditCP (particles, Particles::DrawOrderFieldMask);
FLOG(("Draw order switched to Any mode\n"));
break;
case 'a': beginEditCP(particles, Particles::DynamicFieldMask);
particles->setDynamic(!particles->getDynamic());
endEditCP (particles, Particles::DynamicFieldMask);
FLOG(("Dynamic switched %s\n", particles->getDynamic()?"on":"off"));
break;
case ' ': doMotion=!doMotion;
FLOG(("Motion %s\n",doMotion?"started":"stopped"));
break;
case 'i': doIndices=!doIndices;
FLOG(("Indices %s\n",doIndices?"on":"off"));
indices->resize(0);
break;
case 'b': {
ParticleBSPTree bsp;
bsp.build(get_pointer(particles));
bsp.dump();
// ASCII
std::string s;
FieldDataTraits<ParticleBSPTree>::putToString(bsp,s);
PLOG << s << std::endl;
const Char8 *c=s.c_str();
FieldDataTraits<ParticleBSPTree>::getFromString(bsp,c);
bsp.dump();
Pnt3f ref(0.5,0.5,0.5);
UInt32 length = pnts->getSize();
Int32 *order = bsp.traverse(ref,length);
for(UInt32 i = 0; i < length; i++)
{
std::cout << order[i] << " ";
}
std::cout << std::endl;
delete [] order;
// Bin
std::cout << "BIN:"
<< FieldDataTraits<ParticleBSPTree>::getBinSize(bsp)
<< std::endl;
FILE* wfile=fopen("binfile","w");
TestHandler w(wfile);
FieldDataTraits<ParticleBSPTree>::copyToBin(w,bsp);
w.flush();
fclose(wfile);
ParticleBSPTree bsp2;
FILE *rfile=fopen("binfile","r");
TestHandler r(rfile);
FieldDataTraits<ParticleBSPTree>::copyFromBin(r,bsp2);
fclose(rfile);
bsp.dump();
}
break;
}
}
// move the particles
void idle(void)
{
if(doMotion)
{
beginEditCP(pnts);
beginEditCP(secpnts);
MFPnt3f *p=pnts->editFieldPtr();
MFPnt3f *sp=secpnts->editFieldPtr();
for(UInt32 i=0; i<p->size(); ++i)
{
Pnt3f pos=(*p)[i];
pos+=velocities[i];
if(pos[0]<0 || pos[0]>1)
{
pos[0]-=velocities[i][0];
velocities[i][0]=-velocities[i][0];
}
if(pos[1]<0 || pos[1]>1)
{
pos[1]-=velocities[i][1];
velocities[i][1]=-velocities[i][1];
}
if(pos[2]<0 || pos[2]>1)
{
pos[2]-=velocities[i][2];
velocities[i][2]=-velocities[i][2];
}
(*sp)[i] = pos;
}
endEditCP(pnts);
endEditCP(secpnts);
beginEditCP(particles,
Particles::PositionsFieldMask|Particles::SecPositionsFieldMask);
particles->setPositions(secpnts);
particles->setSecPositions(pnts);
endEditCP (particles,
Particles::PositionsFieldMask|Particles::SecPositionsFieldMask);
std::swap(pnts,secpnts);
}
if(doIndices)
{
beginEditCP(particles, Particles::IndicesFieldMask);
indices->resize(pnts->getSize() / 2);
for(UInt32 i = 0; i < pnts->getSize() / 2; ++i)
{
(*indices)[i] = static_cast<UInt32>(osgrand() * 2 - 1) * pnts->getSize();
}
endEditCP (particles, Particles::IndicesFieldMask);
}
glutPostRedisplay();
}
