friend interaction::result_type
interact(const flowing_particle& particle,
const flowing_cluster<flowing_particle>& cluster)
{
// TODO: Stickyness
for (unsigned n = 0; n < Position::dimension * 2; ++n)
{
const Position p = particle.position + (2 * (n % 2) - 1)
* get_unit_vector<Position>(n / 2);
if (cluster.has_particle_at(p))
return interaction::MERGE;
}
return interaction::NONE;
}
friend
void interact (const flowing_particle& particle,
const flowing_cluster<flowing_particle>& cluster,
interaction_type& state)
{
// TODO: Stickyness
for (unsigned n = 0; n < Position::dimension * 2; ++n)
{
const Position p = particle.position + (2 * (n % 2) - 1)
* get_unit_vector<Position>(n / 2);
if (cluster.has_particle_at(p))
state.set_merge();
}
}
