/// <summary>
/// Resizes the Quadtree field
/// </summary>
/// <param name="newWorld">The new field</param>
/// <remarks>This is an expensive operation, so try to initialize the world to a big enough size</remarks>
public void Resize(FRect newWorld)
{
// Get all of the items in the tree
List <QuadTreePositionItem <T> > Components = new List <QuadTreePositionItem <T> >();
GetAllItems(ref Components);
// Destroy the head node
headNode.Destroy();
headNode = null;
// Create a new head
headNode = new QuadTreeNode <T>(newWorld, maxItems, Resize);
// Reinsert the items
foreach (QuadTreePositionItem <T> m in Components)
{
headNode.Insert(m);
}
}
/// <summary>
/// Destroys this node
/// </summary>
public void Destroy()
{
// Destroy all child nodes
if (IsPartitioned)
{
TopLeftNode.Destroy();
TopRightNode.Destroy();
BottomLeftNode.Destroy();
BottomRightNode.Destroy();
TopLeftNode = null;
TopRightNode = null;
BottomLeftNode = null;
BottomRightNode = null;
}
// Remove all items
while (Items.Count > 0)
{
RemoveItem(0);
}
}