public BitPlane Parse(BitPlane group, BitPlane allStones)
{
var ret = new BitPlane(allStones.Width, allStones.Height);
foreach (var coords in group.Unabled)
{
var liberties = AnalyticHelper.HortogonalCoord(coords).Where(
x => allStones.InOfRange(x) && !allStones[x]
);
ret.AddRange(liberties);
}
return(ret);
}
public static IEnumerable <ICoords> NobiWalk(BitPlane scope, ICoords target)
{
return(HortogonalCoord(target).Where(x => scope.InOfRange(x) && scope[x]));
}