void particlesMove(struct particle_system *ps)
{
int i;
int nbparticles = ps->particles.id;
struct particle *p;
i = 0;
while(nbparticles < ps->particles.nbitems && i < ps->nbemitters) {
if(--ps->emit[i].time <= 0) {
add(ps->emit+i, &ps->particles);
ps->emit[i].time = ps->emit[i].freq;
}
i++;
}
for(i = 0; i < nbparticles; i++) {
p = (struct particle*)(ps->particles.pool) + i;
applyForces(ps, p);
if((--p->life < 0)
|| p->loc[0] > ps->maxx || p->loc[0] < ps->minx
|| p->loc[1] > ps->maxy || p->loc[1] < ps->miny
|| p->loc[2] > ps->maxz || p->loc[2] < ps->minz) {
poolDelete(&ps->particles, i);
}
}
poolFlush(&ps->particles);
}
void libdwPoolClear(void) {
poolFlush(pool);
}