public override bool feed(Morg predator, Morg prey)
{
int distance = predator.distance(prey);
if (distance == 0) {
if (predator.preyTypes.Contains(prey.type)) {
prey.kill ();
predator.life += prey.life / 2;
}
}
return distance == 0;
}
/** Copy constructor */
public Morg(Morg m)
{
this._color = m.color;
this._name = m.name;
this._type = m.type;
this._alive = m.alive;
this._life = m.life;
this._preyTypes = m._preyTypes;
this.position = m.position;
this.target = m.target;
this.prey = m.prey;
this.observers = m.observers;
}
public abstract bool feed(Morg predator, Morg prey);
/** Called when an observed prey is updated */
private void notify(Morg prey)
{
this.target = prey.position;
}
/** Unregister an observer of this morg */
public void unregisterObserver(Morg observer)
{
this.observers.Remove(observer);
}
/** Register an observer to observe this morg. The observer will be notified
whenever this morg's notifyAll() method is called */
public void registerObserver(Morg observer)
{
this.observers.Add(observer);
}
public int distance(Morg prey)
{
return distanceStrategy.distance(this.position, prey.position);
}
