public void maj(List <Nourriture> listn)
{
foreach (Nourriture n in listn)
{
if (target == null)
{
if (n.etat == true && n.avarie == false)
{
StrategieCourante = new Faim("Faim");
target = n;
break;
}
else if (n.etat == false || n.avarie == true)
{
StrategieCourante = new Immobile("Immobile");
target = null;
}
}
else
{
Nourriture nearest = closest(this, listn);
if (nearest.etat == true && nearest.avarie == false)
{
StrategieCourante = new Faim("Faim");
target = nearest;
break;
}
else if (nearest.etat == false || nearest.avarie == true)
{
StrategieCourante = new Immobile("Immobile");
target = null;
}
}
}
}
private static Nourriture closest(Pigeon p1, List <Nourriture> listn)
{
Nourriture closest = null;
double minDist2 = double.MaxValue;
foreach (Nourriture n in listn)
{
double dist2 = Distance2(p1, n);
if (dist2 < minDist2)
{
minDist2 = dist2;
closest = n;
}
}
return(closest);
}
private static double Distance2(Pigeon p1, Nourriture n2)
{
return(Pow2(n2.X - p1.X) + Pow2(n2.Y - p1.Y));
}