/// <summary>
/// Removes all child nodes.
/// </summary>
internal void ClearChildren()
{
if (_leftUpChild != null)
{
_leftUpChild.ClearChildren();
_owner._nodeCount--;
}
if (_rightUpChild != null)
{
_rightUpChild.ClearChildren();
_owner._nodeCount--;
}
if (_leftDownChild != null)
{
_leftDownChild.ClearChildren();
_owner._nodeCount--;
}
if (_rightDownChild != null)
{
_rightDownChild.ClearChildren();
_owner._nodeCount--;
}
_leftUpChild = null;
_rightUpChild = null;
_leftDownChild = null;
_rightDownChild = null;
}
/// <summary>
/// Removes all child nodes.
/// </summary>
public void Clear()
{
_root.ClearChildren();
}