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Compare images in fitness function and benchmark them

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This commit is contained in:
Joscha 2017-04-26 18:16:00 +00:00
parent 0183d4737c
commit d38e45dac8
7 changed files with 189 additions and 11 deletions
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25
src/Chromosome.cpp
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@ -99,6 +99,11 @@ void Chromosome::mutate()
void Chromosome::draw(sf::RenderTarget& target, sf::RenderStates states) const
{
this->circle.setPosition(0, 0);
this->circle.setRadius(Chromosome::size.x + Chromosome::size.y);
this->circle.setOrigin(Chromosome::size);
this->circle.setFillColor(sf::Color::White);
target.draw(this->circle, states);
for (auto gene : this->genes) {
this->circle.setPosition(gene.position);
this->circle.setRadius(gene.radius);
@ -115,9 +120,15 @@ size_t Chromosome::length()
}
float Chromosome::maxRadius()
{
return std::min(Chromosome::size.x, Chromosome::size.y)/2;
}
Chromosome::Gene Chromosome::randomGene()
{
float max_radius = std::min(Chromosome::size.x, Chromosome::size.y)/4;
float max_radius = this->maxRadius();
std::uniform_real_distribution<> xdist(0, Chromosome::size.x);
std::uniform_real_distribution<> ydist(0, Chromosome::size.y);
std::uniform_real_distribution<> rdist(0, sqrt(max_radius));
@ -125,7 +136,12 @@ Chromosome::Gene Chromosome::randomGene()
sf::Vector2f position(xdist(*Chromosome::re), ydist(*Chromosome::re));
float radius = (pow(rdist(*Chromosome::re), 2));
sf::Color color(colordist(*Chromosome::re), colordist(*Chromosome::re), colordist(*Chromosome::re), 50);
sf::Color color(
colordist(*Chromosome::re),
colordist(*Chromosome::re),
colordist(*Chromosome::re),
150
);
Chromosome::Gene gene;
gene.position = position;
@ -139,7 +155,7 @@ Chromosome::Gene Chromosome::randomGene()
void Chromosome::mutateGene(Gene& gene)
{
std::uniform_int_distribution<> booldist(0, 1);
float max_radius = std::min(Chromosome::size.x, Chromosome::size.y)/4;
float max_radius = this->maxRadius();
if (booldist(*Chromosome::re)) { // position
std::normal_distribution<> posdist(0, Chromosome::stddev_position);
@ -158,7 +174,7 @@ void Chromosome::mutateGene(Gene& gene)
if (booldist(*Chromosome::re)) { // radius
std::normal_distribution<> raddist(0, Chromosome::stddev_radius);
gene.radius = std::clamp<float>(
gene.radius + raddist(*Chromosome::re)*max_radius,
gene.radius + pow(raddist(*Chromosome::re)*sqrt(max_radius), 2),
0,
max_radius
);
@ -169,6 +185,7 @@ void Chromosome::mutateGene(Gene& gene)
gene.color.r = std::clamp<unsigned int>(gene.color.r + coldist(*Chromosome::re), 0, 255);
gene.color.g = std::clamp<unsigned int>(gene.color.g + coldist(*Chromosome::re), 0, 255);
gene.color.b = std::clamp<unsigned int>(gene.color.b + coldist(*Chromosome::re), 0, 255);
gene.color.a = std::clamp<unsigned int>(gene.color.a + coldist(*Chromosome::re), 0, 255);
}
}