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Fix fitness function bug (hopefully)

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The shader rounds to the nearest color when rendering, sometimes
it rounds up. I made it only round down,
This commit is contained in:
Joscha 2017-04-30 09:23:00 +00:00
parent c281026b53
commit fc0840d79d
2 changed files with 12 additions and 12 deletions
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8
compare.glsl
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@ -34,10 +34,10 @@ void main(void)
// encode to rgba channels in current pixel
vec4 col = vec4(0.0, 0.0, 0.0, 1.0);
// total = total/200.0;
col.r = mod(total, 256.0/255.0);
col.g = mod(total/256.0, 256.0/255.0);
col.b = mod(total/65536.0, 256.0/255.0);
// total = total/255.0;
col.r = floor(mod(total*255.0, 256.0))/255.0;
col.g = floor(mod(total*255.0/256.0, 256.0))/255.0;
col.b = floor(mod(total*255.0/65536.0, 256.0))/255.0;
// color.g = 0.0;
// color.b = 0.0;
// color.g = mod(total, 256.0/255.0);

16
src/Fitness.cpp
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@ -81,10 +81,10 @@ unsigned long long Fitness::of(Chromosome chr)
for (unsigned int y=0; y<size.y; ++y) {
sf::Color col = image.getPixel(0, y);
// std::cout<<(int)col.r<<"|"<<(int)col.g<<"|"<<(int)col.b<<"|"<<(int)col.a<<std::endl;
fitness += ((unsigned long int)col.r); // 2^(8*0)
fitness += ((unsigned long int)col.g)*256; // 2^(8*1)
fitness += ((unsigned long int)col.b)*65536; // 2^(8*2)
// fitness += (unsigned int)col.a*16777216; // 2^(8*3)
fitness += ((unsigned long long)col.r); // 2^(8*0)
fitness += ((unsigned long long)col.g)*256; // 2^(8*1)
fitness += ((unsigned long long)col.b)*65536; // 2^(8*2)
// fitness += (unsigned long long)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)
@ -95,10 +95,10 @@ unsigned long long Fitness::of(Chromosome chr)
for (unsigned int x=0; x<size.x; ++x) {
sf::Color col = image.getPixel(x, 0);
// std::cout<<(int)col.r<<"|"<<(int)col.g<<"|"<<(int)col.b<<"|"<<(int)col.a<<std::endl;
fitness += (unsigned long int)col.r; // 2^(8*0)
fitness += ((unsigned long int)col.g)*256; // 2^(8*1)
fitness += ((unsigned long int)col.b)*65536; // 2^(8*2)
// fitness += ((unsigned long int)col.a)*16777216; // 2^(8*3)
fitness += (unsigned long long)col.r; // 2^(8*0)
fitness += ((unsigned long long)col.g)*256; // 2^(8*1)
fitness += ((unsigned long long)col.b)*65536; // 2^(8*2)
// fitness += ((unsigned long int)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)