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Attempt to implement faster comparison algorithm

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This commit is contained in:
Joscha 2017-04-28 20:37:44 +00:00
parent 6cfb8d93a2
commit a04e58c7ca
3 changed files with 98 additions and 13 deletions
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66
src/Fitness.cpp
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@ -4,18 +4,33 @@
Fitness::Fitness(sf::Texture target, float scale)
Fitness::Fitness(sf::Texture target, float scale) :
dummy(sf::TriangleFan, 4)
{
this->target = target;
sf::Vector2u targetSize = this->target.getSize();
this->tex.create(targetSize.x, targetSize.y);
this->sprite.setTexture(this->tex.getTexture());
this->comp.create(targetSize.x*scale, targetSize.y*scale);
// this->view.reset(sf::FloatRect(0, 0, targetSize.x, targetSize.y));
// this->view.setViewport(sf::FloatRect(0, 0, 1, 1));
this->horizontal = targetSize.x > targetSize.y;
if (this->horizontal) {
targetSize.x = 1;
} else {
targetSize.y = 1;
// this->comp.create(targetSize.x*scale, 2);
}
this->comp.create(targetSize.x, targetSize.y);
// this->comp.setSmooth(true);
this->view.reset(sf::FloatRect(0, 0, targetSize.x, targetSize.y));
this->view.setViewport(sf::FloatRect(0, 0, 1, 1));
this->dummy[0] = sf::Vertex(sf::Vector2f(0, 0), sf::Color::Red );
this->dummy[1] = sf::Vertex(sf::Vector2f(targetSize.x, 0), sf::Color::Yellow);
this->dummy[2] = sf::Vertex(sf::Vector2f(targetSize), sf::Color::Green );
this->dummy[3] = sf::Vertex(sf::Vector2f(0, targetSize.y), sf::Color::Blue );
}
@ -26,6 +41,7 @@ bool Fitness::loadShader(std::string filename)
this->compshdr.setUniform("base", this->target);
this->compshdr.setUniform("curr", this->tex.getTexture());
this->compshdr.setUniform("size", sf::Vector2f(this->comp.getSize()));
this->compshdr.setUniform("horizontal", this->horizontal);
return true;
} else {
return false;
@ -41,8 +57,9 @@ unsigned long long Fitness::of(Chromosome chr)
this->tex.display();
this->comp.clear(sf::Color::Blue);
this->comp.setView(this->view);
this->comp.draw(this->sprite, &this->compshdr);
// this->comp.setView(this->view);
this->comp.draw(this->dummy, &this->compshdr);
// this->comp.draw(this->sprite, &this->compshdr);
// this->comp.draw(this->sprite);
this->comp.display();
@ -50,11 +67,40 @@ unsigned long long Fitness::of(Chromosome chr)
sf::Image image = this->comp.getTexture().copyToImage();
sf::Vector2u size = image.getSize();
unsigned long long fitness = 0;
for (unsigned int x=0; x<size.x; ++x) {
// for (unsigned int x=0; x<size.x; ++x) {
// for (unsigned int y=0; y<size.y; ++y) {
// sf::Color color = image.getPixel(x, y);
// fitness += color.r + color.g + color.b;
// }
// }
if (this->horizontal) {
for (unsigned int y=0; y<size.y; ++y) {
sf::Color color = image.getPixel(x, y);
fitness += color.r + color.g + color.b;
sf::Color col = image.getPixel(0, y);
fitness += col.r; // 2^(8*0)
fitness += col.g*256; // 2^(8*1)
fitness += col.b*65536; // 2^(8*2)
fitness += col.a*16777216; // 2^(8*3)
// col = image.getPixel(1, y);
// fitness += col.r*4294967296; // 2^(8*4)
// fitness += col.g*1099511627776; // 2^(8*5)
// fitness += col.b*281474976710656; // 2^(8*6)
// fitness += col.a*72057594037927936; // 2^(8*7)
}
} else {
for (unsigned int x=0; x<size.x; ++x) {
sf::Color col = image.getPixel(x, 0);
fitness += col.r; // 2^(8*0)
fitness += col.g*256; // 2^(8*1)
fitness += col.b*65536; // 2^(8*2)
fitness += col.a*16777216; // 2^(8*3)
// col = image.getPixel(x, 1);
// fitness += col.r*4294967296; // 2^(8*4)
// fitness += col.g*1099511627776; // 2^(8*5)
// fitness += col.b*281474976710656; // 2^(8*6)
// fitness += col.a*72057594037927936; // 2^(8*7)
}
}
return fitness;
}