// Making the next generation
public void Reproduction()
{
// Refill the population with children from the mating pool
for (int i = 0; i < population.Length; i++)
{
// Destroy all rockets in population
population[i].Death();
// Spin the wheel of fourtune to pick two new parents
int m = Random.Range(0, matingPool.Count);
int d = Random.Range(0, matingPool.Count);
// Pick two parents
Chapter9Fig2Rocket mom = matingPool[m];
Chapter9Fig2Rocket dad = matingPool[d];
// Get their genes
Chapter9Fig2DNA momGenes = mom.DNA;
Chapter9Fig2DNA dadGenes = dad.DNA;
// Mate their genes
Chapter9Fig2DNA child = momGenes.Crossover(dadGenes);
// Mutate their genes
child.Mutate(mutationRate);
// Fill the new population with the new child
Vector2 position = new Vector2(0, -screenSize.y);
population[i] = new Chapter9Fig2Rocket(rocketObject, position, child, targetPosition);
}
Generations++;
}
// Initialize the population
public Chapter9Fig2Population(GameObject rocketObj, Vector2 screen, float mutation, int numberOfRockets, float lifeTime, Vector2 targetPos)
{
rocketObject = rocketObj;
mutationRate = mutation;
population = new Chapter9Fig2Rocket[numberOfRockets];
matingPool = new List <Chapter9Fig2Rocket>();
Generations = 0;
screenSize = screen;
targetPosition = targetPos;
// Making a new set of creatures
for (int i = 0; i < population.Length; i++)
{
Vector2 position = new Vector2(0, -screenSize.y);
population[i] = new Chapter9Fig2Rocket(rocketObj, position, new Chapter9Fig2DNA(lifeTime), targetPos);
}
}