public Adjacency8 countAdjacency(int x, int y)
{
var adjacency = new Adjacency8();
var origin = new Vec2i(x, y);
foreach (var dir in clockwise)
{
var pos = origin + dir.vec;
if (this.mapBounds.contains(pos))
{
adjacency.add(dir);
}
}
return(adjacency);
}
public static void rm(this Adjacency8 self, Dir9 dir)
{
self &= (Adjacency8)dir.asIndexClockwise;
}
