public void CreateGenes(IInitialGeneSequence initialGeneSequence)
{
this.CreateGeneSequence(initialGeneSequence, true);
}
private void CreateGeneSequence(IInitialGeneSequence initialGeneSequence, bool mutate)
{
int xSize = WIDTH;
int ySize = HEIGHT;
// Set up inital MAX gene heights - centered initially using ySize
// provided. And MIN is fixed as a constant value for this excercise.
int maxGeneH = ySize / 2;
int minGeneH = 20;
// Set up inital MAX gene widths - centered initially using xSize
// provided. And MIN is fixed as a constant value for this excercise.
int maxGeneW = xSize / 3;
int minGeneW = 20;
// Set up inital MIN / MAX gene width for eyes using the size
// of the overall face as limit.
int maxGeneEyeW = GenotypeWidths[Genes.FACE_GENE] / 20;
int minGeneEyeW = 15;
// Set up inital MIN / MAX gene height for nose using the size
// of the overall face as limit.
int maxGeneNoseH = GenotypeHeights[Genes.FACE_GENE] / 15;
int minGeneNoseH = 5;
// Set up inital MIN / MAX gene width for nose using the size
// of the overall face as limit.
int maxGeneNoseW = GenotypeWidths[Genes.FACE_GENE] / 4;
int minGeneNoseW = GenotypeWidths[Genes.FACE_GENE] / 3;
// If we are being asked to mutate OR there is a random mutation
// play god with the genes by changing some of the values within the
// gene structures.
// GENE[0] = face rectangle
if (mutate || (RAND.NextDouble() < GenotypeMutationRate))
{
this.GenotypeColours[Genes.FACE_GENE] = AvailableColours[(int)(RAND.NextDouble() * AvailableColours.Length)];
GenotypeWidths[Genes.FACE_GENE] = (int)((initialGeneSequence.FaceGene * (maxGeneW - minGeneW)) + minGeneW);
GenotypeHeights[Genes.FACE_GENE] = (int)((initialGeneSequence.FaceGene * (maxGeneH - minGeneH)) + minGeneH);
}
// GENE[1] = left eye circle
if (mutate || (RAND.NextDouble() < GenotypeMutationRate))
{
this.GenotypeColours[Genes.LEFT_EYE_GENE] = AvailableEyeColours[(int)(initialGeneSequence.LeftEyeGene * AvailableEyeColours.Length)];
GenotypeWidths[Genes.LEFT_EYE_GENE] = (int)((initialGeneSequence.LeftEyeGene * (maxGeneEyeW - minGeneEyeW)) + minGeneEyeW);
// make eye semetrical - round
GenotypeHeights[Genes.LEFT_EYE_GENE] = GenotypeWidths[Genes.LEFT_EYE_GENE];
}
// GENE[2] = right eye circle
if (mutate || (RAND.NextDouble() < GenotypeMutationRate))
{
// make sure that the eyes are both the same color
this.GenotypeColours[Genes.RIGHT_EYE_GENE] = this.GenotypeColours[Genes.LEFT_EYE_GENE];
GenotypeWidths[Genes.RIGHT_EYE_GENE] = (int)((initialGeneSequence.RightEyeGene * (maxGeneEyeW - minGeneEyeW)) + minGeneEyeW);
// make eye semetrical - round
GenotypeHeights[Genes.RIGHT_EYE_GENE] = GenotypeWidths[Genes.RIGHT_EYE_GENE];
}
// GENE[3] = nose rectangle
if (mutate || (RAND.NextDouble() < GenotypeMutationRate))
{
GenotypeWidths[Genes.NOSE_GENE] = (int)((initialGeneSequence.NoseGene * (maxGeneNoseW - minGeneNoseW)) + minGeneNoseW);
GenotypeHeights[Genes.NOSE_GENE] = (int)((initialGeneSequence.NoseGene * (maxGeneNoseH - minGeneNoseH)) + minGeneNoseH);
}
// GENE[4] = left top bone rectangle
if (mutate || (RAND.NextDouble() < GenotypeMutationRate))
{
this.GenotypeColours[Genes.LEFTBONE_TOP_GENE] = AvailableColours[(int)(initialGeneSequence.LeftBoneTopGene * AvailableColours.Length)];
// Ensure that right bone can only grow to 1/8 height of the face rectangle
maxGeneH = GenotypeHeights[Genes.FACE_GENE] / 20;
GenotypeWidths[Genes.LEFTBONE_TOP_GENE] = (int)((initialGeneSequence.LeftBoneTopGene * (maxGeneW - minGeneW)) + minGeneW);
GenotypeHeights[Genes.LEFTBONE_TOP_GENE] = (int)((initialGeneSequence.LeftBoneTopGene * (maxGeneH - minGeneH)) + minGeneH);
}
// GENE[5] = right top bone rectangle
// Color is the same as top left bone gene. As it is really the same bone.
// But make the right top bone rectangle the same width/height as the left top bone rectangle.
// I made them different to begin with, but preffered the look of my organism, with uniform
// bone width, heights. I am not going for the Elephant man Skull type here. Maybe next time.
this.GenotypeColours[Genes.RIGHTBONE_TOP_GENE] = this.GenotypeColours[Genes.LEFTBONE_TOP_GENE];
GenotypeWidths[Genes.RIGHTBONE_TOP_GENE] = GenotypeWidths[Genes.LEFTBONE_TOP_GENE];
GenotypeHeights[Genes.RIGHTBONE_TOP_GENE] = GenotypeHeights[Genes.LEFTBONE_TOP_GENE];
// GENE[6] = teeth rectangle
if (mutate || (RAND.NextDouble() < GenotypeMutationRate))
{
this.GenotypeColours[Genes.TEETH_GENE] = AvailableColours[(int)(initialGeneSequence.TeethGene * AvailableColours.Length)];
// Ensure that teeth can only grow to 1/2 width of the face rectangle
maxGeneW = GenotypeWidths[Genes.FACE_GENE] / 2;
// Ensure that teeth can only grow to 1/2 height of the total ySize parameter
maxGeneH = ySize / 2;
GenotypeWidths[Genes.TEETH_GENE] = (int)((initialGeneSequence.TeethGene * (maxGeneW - minGeneW)) + minGeneW);
GenotypeHeights[Genes.TEETH_GENE] = (int)((initialGeneSequence.TeethGene * (maxGeneH - minGeneH)) + minGeneH);
}
// GENE[7] = left bottom bone rectangle
// Color is allowed to be random.
// But make the left bottom bone rectangle the same width/height as the left top bone rectangle
// could have made them different, but that would involve switching different values when
// drawing the shape to get the centering on the screen correct. This will do.
this.GenotypeColours[Genes.LEFTBONE_BOTTOM_GENE] = AvailableColours[(int)(initialGeneSequence.LeftBoneBottomGene * AvailableColours.Length)];
GenotypeWidths[Genes.LEFTBONE_BOTTOM_GENE] = GenotypeWidths[Genes.LEFTBONE_TOP_GENE];
GenotypeHeights[Genes.LEFTBONE_BOTTOM_GENE] = GenotypeHeights[Genes.LEFTBONE_TOP_GENE];
// GENE[8] = right bottom bone rectangle
// Color is the same as bottom left bone gene. As it is really the same bone.
// But make the right bottom bone rectangle the same width/height as the right top bone rectangle
// could have made them different, but that would involve switching different values when
// drawing the shape to get the centering on the screen correct. This will do.
this.GenotypeColours[Genes.RIGHTBONE_BOTTOM_GENE] = this.GenotypeColours[Genes.LEFTBONE_BOTTOM_GENE];
GenotypeWidths[Genes.RIGHTBONE_BOTTOM_GENE] = GenotypeWidths[Genes.LEFTBONE_BOTTOM_GENE];
GenotypeHeights[Genes.RIGHTBONE_BOTTOM_GENE] = GenotypeHeights[Genes.LEFTBONE_BOTTOM_GENE];
}