public P()
{
GridIndex = new GridIndex();
}
// Single detect
// 20 nearest boxes
public List<IP> GetGridNeighborContent(IP p)
{
var i = p.GridIndex;
// nearest neighbor
var n = new GridIndex { X = i.X, Y = i.Y - 1 };
var ne = new GridIndex { X = i.X + 1, Y = i.Y - 1 };
var e = new GridIndex { X = i.X + 1, Y = i.Y };
var se = new GridIndex { X = i.X + 1, Y = i.Y + 1 };
var s = new GridIndex { X = i.X, Y = i.Y + 1 };
var sw = new GridIndex { X = i.X - 1, Y = i.Y + 1 };
var w = new GridIndex { X = i.X - 1, Y = i.Y };
var nw = new GridIndex { X = i.X - 1, Y = i.Y - 1 };
// outer north
var nnw = new GridIndex { X = i.X - 1, Y = i.Y - 2 };
var nn = new GridIndex { X = i.X, Y = i.Y - 2 };
var nne = new GridIndex { X = i.X + 1, Y = i.Y - 2 };
// outer east
var nee = new GridIndex { X = i.X + 2, Y = i.Y - 1 };
var ee = new GridIndex { X = i.X + 2, Y = i.Y };
var see = new GridIndex { X = i.X + 2, Y = i.Y + 1 };
// outer south
var sse = new GridIndex { X = i.X + 1, Y = i.Y + 2 };
var ss = new GridIndex { X = i.X, Y = i.Y + 2 };
var ssw = new GridIndex { X = i.X - 1, Y = i.Y + 2 };
// outer west
var sww = new GridIndex { X = i.X - 2, Y = i.Y - 1 };
var ww = new GridIndex { X = i.X - 2, Y = i.Y };
var nww = new GridIndex { X = i.X - 2, Y = i.Y + 1 };
var list = new List<IP>();
GridIndex gi;
if (IsValidGridIndex(gi = n)) list.AddRange(Grid.Get(gi));
if (IsValidGridIndex(gi = ne)) list.AddRange(Grid.Get(gi));
if (IsValidGridIndex(gi = e)) list.AddRange(Grid.Get(gi));
if (IsValidGridIndex(gi = se)) list.AddRange(Grid.Get(gi));
if (IsValidGridIndex(gi = s)) list.AddRange(Grid.Get(gi));
if (IsValidGridIndex(gi = sw)) list.AddRange(Grid.Get(gi));
if (IsValidGridIndex(gi = w)) list.AddRange(Grid.Get(gi));
if (IsValidGridIndex(gi = nw)) list.AddRange(Grid.Get(gi));
if (IsValidGridIndex(gi = nnw)) list.AddRange(Grid.Get(gi));
if (IsValidGridIndex(gi = nn)) list.AddRange(Grid.Get(gi));
if (IsValidGridIndex(gi = nne)) list.AddRange(Grid.Get(gi));
if (IsValidGridIndex(gi = nee)) list.AddRange(Grid.Get(gi));
if (IsValidGridIndex(gi = ee)) list.AddRange(Grid.Get(gi));
if (IsValidGridIndex(gi = see)) list.AddRange(Grid.Get(gi));
if (IsValidGridIndex(gi = sse)) list.AddRange(Grid.Get(gi));
if (IsValidGridIndex(gi = ss)) list.AddRange(Grid.Get(gi));
if (IsValidGridIndex(gi = ssw)) list.AddRange(Grid.Get(gi));
if (IsValidGridIndex(gi = sww)) list.AddRange(Grid.Get(gi));
if (IsValidGridIndex(gi = ww)) list.AddRange(Grid.Get(gi));
if (IsValidGridIndex(gi = nww)) list.AddRange(Grid.Get(gi));
return list;
}
bool IsValidGridIndex(GridIndex i)
{
if (i.X < 0 || i.X >= Grid.X) return false;
if (i.Y < 0 || i.Y >= Grid.Y) return false;
return true;
}
public P()
{
Uid = ++_counter;
GridIndex = new GridIndex();
}
public P()
{
Uid = ++_counter;
GridIndex = new GridIndex();
}
public MySet<IP> Get(GridIndex i)
{
return Get(i.X, i.Y);
}