public QuadTree(
RectangleF boundary, int threshold, bool allowOverflow,
ListArray <Item> items, Func <ListArray <Item> > getListFunc)
{
Boundary = boundary;
Threshold = threshold;
AllowOverflow = allowOverflow;
_getListFunc = getListFunc ?? throw new ArgumentNullException(nameof(getListFunc));
Items = items;
}
public PooledQuadTree(RectangleF boundary, int threshold, bool allowOverflow)
{
_pool = new ListArray <ListArray <QuadTree <T> .Item> >();
CurrentTree = new QuadTree <T>(boundary, threshold, allowOverflow, GetList);
}
internal QuadTree(RectangleF bounds, int threshold, bool allowOverflow, bool fuzzyBoundaries)
{
Items = new ListArray <QuadTreeItem <T> >(threshold);
Set(bounds, threshold, allowOverflow, fuzzyBoundaries);
}
public QuadTree(
float x, float y, float width, float height,
int threshold, bool allowOverflow, ListArray <Item> existingList) :
this(new RectangleF(x, y, width, height), threshold, allowOverflow, existingList)
{
}
public QuadTree(
RectangleF boundary, int threshold, bool allowOverflow, ListArray <Item> existingList) :
this(boundary, threshold, allowOverflow, existingList, () => DefaultGetList(threshold))
{
}
public static void Return(ListArray <QuadTreeItem <T> > list)
{
// clear as it may contain reference-types
list.Clear();
_listPool.Add(list);
}
