/// <summary> Get or set the element at a specific point. </summary>
public object this[Point point]
{
get
{
KDTree.Node node = _tree.Query(point);
if (node != null)
{
return(node.Object);
}
else
{
return(null);
}
}
set
{
// Remove any item at this spot
KDTree.Node node = _tree.Query(point);
if (node != null)
{
_tree.Remove(node);
_nodes.Remove(node.Object);
}
// Add the new item at the spot
if (value != null)
{
node = new KDTree.Node(point, value);
_tree.Add(node);
_nodes.Add(value, node);
}
}
}
/// <summary> Removes the object at a given point. </summary>
public void Remove(object element)
{
KDTree.Node node = (KDTree.Node)_nodes[element];
_tree.Remove(node);
_nodes.Remove(element);
}
