ParticleSystem::ParticleSystem(const FileName &fileName,
TextureFactory &textureFactory,
const vec3 &_position,
float _rotation)
{
reset();
rotation = _rotation;
const PropertyBag data = PropertyBag::fromFile(fileName);
maxNumberOfParticles = data.getSizeT("max");
loadParticleMaterials(data, textureFactory);
loadParticleTemplates(data);
loadParticleEmitters(data);
setPosition(_position);
// allocate memory for all particle batches
for(map<string, ParticleElement>::const_iterator i=templatesByName.begin(); i!=templatesByName.end(); ++i)
{
const ParticleElement &el = i->second;
ParticleBatch &bucket = buckets[el.getMaterial()];
bucket.colors->recreate(4 * (int)maxNumberOfParticles, 0);
bucket.vertices->recreate(4 * (int)maxNumberOfParticles, 0);
bucket.texcoords->recreate(4 * (int)maxNumberOfParticles, 0);
}
}
