private double observingToFollowingProb()
{
double percentageDancers = ((double)DanceFloor.DancerCount()) / ((double)Swarm.BeeCount);
return(percentageDancers / (percentageDancers + Constants.RECRUITMENT_CONSTANT));
}
private void ChangeState()
{
switch (memory.Status)
{
case State.RESTING:
memory.Status = State.OBSERVING;
break;
case State.OBSERVING:
if (rand.NextDouble() <= observingToFollowingProb())
{
//Bee starts following instead of going back to explore
Destination newDestination = DanceFloor.GetSite();
if (newDestination != null)
{
memory.Destination = newDestination;
if (newDestination is Site)
{
memory.Status = State.FOLLOWING;
memory.Site = (Site)newDestination;
}
}
}
else
{
//Bee starts exploring instead of following
memory.Status = State.EXPLORING;
StartLevySearch(GetRandomAngle(), RandomFlightLength());
}
break;
case State.EXPLORING:
if (memory.Site == null)
{
memory.Status = State.RETURNING;
memory.Destination = new Location(Swarm.hive);
}
else
{
BeginAssessment();
}
break;
case State.FOLLOWING:
BeginAssessment();
break;
case State.ASSESSING:
memory.Site.CurrentVisitorCount--;
if (memory.Site.CurrentVisitorCount > this.QUORUM_THRESHOLD)
{
memory.QuorumSensed = true;
}
memory.Status = State.RETURNING;
memory.Destination = new Location(Swarm.hive);
break;
case State.RETURNING:
if (memory.Site == null)
{
memory.Status = State.RESTING;
}
else
{
/*if (memory.QuorumSensed && !Swarm.PipingSupressed)
* {
* memory.Status = State.PIPING;
* Swarm.increaseNoise();
* memory.QuorumSensed = false;
* }
* else*/
{
DanceFloor.AddDancer(this);
memory.Status = State.DANCING;
}
}
break;
case State.PIPING:
Swarm.decreaseNoise();
RestOrReturn();
break;
case State.DANCING:
DanceFloor.RemoveDancer(this);
RestOrReturn();
break;
}
}
/// <summary>
/// Updates the variables that determine the equillibria
/// </summary>
private void updateEquilibriumEquations()
{
int R, O, E, A, D;
double rDot, oDot, eDot, aDot, dDot;
R = O = E = A = D = 0;
ReadOnlyDictionary <Bee.State, int> taskDistribution = Swarm.GetTaskDistribution();
if (taskDistribution.ContainsKey(Bee.State.RESTING))
{
R = taskDistribution[Bee.State.RESTING];
}
if (taskDistribution.ContainsKey(Bee.State.OBSERVING))
{
O = taskDistribution[Bee.State.OBSERVING];
}
if (taskDistribution.ContainsKey(Bee.State.EXPLORING))
{
E = taskDistribution[Bee.State.EXPLORING];
}
if (taskDistribution.ContainsKey(Bee.State.ASSESSING))
{
A = taskDistribution[Bee.State.ASSESSING];
}
if (taskDistribution.ContainsKey(Bee.State.DANCING))
{
D = taskDistribution[Bee.State.DANCING];
}
ReadOnlyDictionary <double, int> danceDistrbution = DanceFloor.GetDanceDistribution();
double vnD = 0;
double siteQuality = 0;
if (danceDistrbution.Keys.Count != 0)
{
siteQuality = danceDistrbution.Keys.ToArray()[0];
}
foreach (double quality in danceDistrbution.Keys)
{
vnD += ((1 - quality) * (0.666 / siteQuality) * (D));
}
double pD = (D / (D + 0.323));
double qD = 1 - pD;
// (2.1) Governing system of equations
rDot = -(0.1 * R) + vnD;
oDot = (0.1 * R) - (0.125 * O) + (0.033 * E);
eDot = ((qD * 0.125 * O) - (0.033 * E));
if (siteQuality != 0)
{
aDot = ((pD * 0.125 * O) - (0.05 * A) + (0.005 * (0.066 / siteQuality) * D));
dDot = ((0.05 * A) - ((0.066 / siteQuality) * D));
}
else
{
aDot = dDot = 0;
}
Rdot.Text = rDot.ToString();
Odot.Text = oDot.ToString();
Edot.Text = eDot.ToString();
Adot.Text = aDot.ToString();
Ddot.Text = dDot.ToString();
}