public override SwarmParticleMesh UpdateSwarmPositions(SwarmParticleMesh particles)
{
SwarmParticleMesh newMesh = new SwarmParticleMesh(particles);
for (int i = 0; i < particles.GetRowCount(); i++)
{
for (int j = 0; j < particles.GetColumnCount(); j++)
{
List<SwarmParticle> neighbourhood = particles.GetListFromCell(i, j);
if (neighbourhood.Count > 0)
{
neighbourhood.OrderBy(n => n.GetCurrentFitness());
SwarmParticle fittestNeighbour = neighbourhood.Last();
neighbourhood.Remove(fittestNeighbour);
foreach (var particle in neighbourhood)
{
UpdateParticle(particle, fittestNeighbour);
newMesh.AddParticle(particle);
}
UpdateParticle(fittestNeighbour, fittestNeighbour);
newMesh.AddParticle(fittestNeighbour);
}
}
}
return newMesh;
}
public MeshParticleSwarmTopology(ParticleSwarmFitnessStrategy fitnessStrategy, SwarmParticleGenerator particleGenerator, int cellSize = 10, int gridWidth = 600, int gridHeight = 600)
{
Particles = new SwarmParticleMesh(cellSize, gridWidth, gridHeight);
FitnessStrategy = fitnessStrategy;
PositionUpdater = new LocalBestSwarmPositionUpdater(fitnessStrategy);
ParticleGenerator = particleGenerator;
}
public SwarmParticleMesh(SwarmParticleMesh oldParticleMesh)
{
CellSize = oldParticleMesh.GetCellSize();
GridHeight = oldParticleMesh.GetGridHeight();
GridWidth = oldParticleMesh.GetGridWidth();
RowCount = oldParticleMesh.GetRowCount();
ColumnCount = oldParticleMesh.GetColumnCount();
InitialiseMesh();
}
public override SwarmParticleMesh UpdateSwarmPositions(SwarmParticleMesh particles)
{
//not needed at the moment, don't do anything
return particles;
}
public override void UpdateParticlePositions()
{
Particles = PositionUpdater.UpdateSwarmPositions(Particles);
}
