/// <summary>
/// Initializes a new instance of the <see cref="Creature" /> class.
/// </summary>
/// <param name="idOfSpecies">
/// The id of species.
/// </param>
/// <param name="world">
/// The world.
/// </param>
public Creature(int idOfSpecies, World world)
{
Contract.Requires <ArgumentNullException>(world != null);
Contract.Ensures(this.IdOfSpecies == idOfSpecies);
this.IdOfSpecies = idOfSpecies;
this.world = world;
for (var i = 0; i < this.genes.Length; i++)
{
this.genes[i] = EnumHelper.CreateRandomGene();
}
}
/// <summary>
/// Mutates creature.
/// </summary>
public void Mutate()
{
// Tries to change 6 genes with 50% probability
var length = this.genes.Length;
var rnd = RandomProvider.GetThreadRandom().Next(length << 1);
var limit = Math.Min(length, rnd + 6);
for (; rnd < limit; rnd++)
{
this.genes[rnd] = EnumHelper.CreateRandomGene();
}
}