// Making the next generation
void Population::reproduction()
{
// Refill the population with children from the mating pool
for( int i = 0; i < mPopulation.size(); i++ )
{
// Sping the wheel of fortune to pick two parents
int m = randInt( mMatingPool.size() );
int d = randInt( mMatingPool.size() );
// Pick two parents
Rocket *mom = mMatingPool[m];
Rocket *dad = mMatingPool[d];
// Get their genes
DNA *momgenes = mom->getDNA();
DNA *dadgenes = dad->getDNA();
// Mate their genes
DNA *child = momgenes->crossover( dadgenes );
// Mutate their genes
child->mutate( mMutationRate );
// Fill the new population with the new child
Vec2f location = Vec2f( getWindowWidth() / 2.0, getWindowHeight() + 20.0 );
delete mPopulation[i]; // get rid of the old rocket
mPopulation[i] = new Rocket( location, child, mTarget );
}
mGenerations++;
}
Rocket Rocket::mate(Rocket partner)
{
Rocket child = Rocket();
child.setDNA(dna.crossover(partner.getDNA()));
child.setTarget(target);
child.setObstacles(obstacles);
return child;
}