public void engEngine_EvalFitnessForProgramEvent(BaseProgram progProgram,
BaseEngine sender)
{
if (progBestProgramInPreviousGeneration == null)
{
progBestProgramInPreviousGeneration = sender.Population[0][0];
}
float dAbsoluteFitness = 0;
// Attempt to gather from 10 different tests.
float dWorstCaseScenario = 99999999;
for (int nTestNum = 0; nTestNum < 5; nTestNum++)
{
float dFitness = RunnerEvolution.ProgramRunner(m_cWorld, progProgram,
null, false);
if (dFitness < dWorstCaseScenario)
{
dWorstCaseScenario = dFitness;
}
/* dAbsoluteFitness += RunnerEvolution.ProgramRunner(m_cWorld, progProgram,
* null, false);*/
}
progProgram.Fitness = 1000000 - dWorstCaseScenario;
}
public void engEngine_GenerationIsCompleteEvent(Statistics stsStatistics,
BaseEngine sender)
{
strLabelString = "Generation num = " + stsStatistics.GenerationNumber + ", Min fitness = " +
stsStatistics.MinFitnessProgram.Fitness + ", Min fitness nodes = " + stsStatistics.MinFitnessProgram.Size;
((TreeProgram)stsStatistics.MinFitnessProgram).Draw(pnlDrawProgram.CreateGraphics(), pnlDrawProgram.Width, pnlDrawProgram.Height, this);
if (((stsStatistics.GenerationNumber % 10) == 0) && (stsStatistics.GenerationNumber != 0))
{
for (int i = 0; i < 5; i++)
{
RunnerEvolution.ProgramRunner(m_cWorld, stsStatistics.MinFitnessProgram,
pnlWorldView.CreateGraphics(), true);
}
}
// Show statistics about the islands. Make a graph about the islands fitnesses.
progBestProgramInPreviousGeneration = stsStatistics.MinFitnessProgram;
float dMinimalFitnessInPopulation = stsStatistics.MinFitnessProgram.Fitness;
float dMaxMinFitnessInIslands = 0;
for (int i = 0; i < sender.NumberOfIslands; i++)
{
BaseProgram cMinFitnessProgramForIsland = stsStatistics.GetMinFitnessProgramForIsland(i);
if (cMinFitnessProgramForIsland.Fitness > dMaxMinFitnessInIslands)
{
dMaxMinFitnessInIslands = cMinFitnessProgramForIsland.Fitness;
}
}
int ISLAND_BAR_WIDTH = (int)(pnlViewIslands.Width / sender.NumberOfIslands);
Graphics g = pnlViewIslands.CreateGraphics();
g.Clear(Color.Black);
for (int i = 0; i < sender.NumberOfIslands; i++)
{
float dIslandFitness = stsStatistics.GetMinFitnessProgramForIsland(i).Fitness;
float dPrecentageOfMinFitness = (dIslandFitness - dMinimalFitnessInPopulation) / (dMaxMinFitnessInIslands - dMinimalFitnessInPopulation);
g.FillRectangle(Brushes.RoyalBlue, i * ISLAND_BAR_WIDTH, pnlViewIslands.Height - (pnlViewIslands.Height * dPrecentageOfMinFitness), ISLAND_BAR_WIDTH, pnlViewIslands.Height);
}
// Write the max and min fitnesses value on the graph.
g.DrawString(dMaxMinFitnessInIslands.ToString(), new Font("Times New Roman", 12.0f), Brushes.Red, 0, 0);
g.DrawString(dMinimalFitnessInPopulation.ToString(), new Font("Times New Roman", 12.0f), Brushes.Red, 0, pnlViewIslands.Height - 20);
}