public bool RemoveRandomParticle(ParticleCollection sector)
{
// If no sector is provided to remove from, semirandomly pick a sector from the last update.
if (sector == null)
{
if (_SectorsFromLastUpdate.Count == 0)
{
return(false);
}
var index = RNG.Next(0, _SectorsFromLastUpdate.Count);
sector = _SectorsFromLastUpdate.GetBuffer()[index];
}
if (sector.Count == 0)
{
return(false);
}
var particleIndex = RNG.Next(0, sector.Count);
sector.RemoveAt(particleIndex);
return(true);
}