/// <summary>
/// brings the first leaf which rectangle was intersected
/// </summary>
/// <returns></returns>
public RectangleNode <T, P> FirstIntersectedNode(IRectangle <P> r)
{
if (r.Intersects(rectangle))
{
if (IsLeaf)
{
return(this);
}
return(Left.FirstIntersectedNode(r) ?? Right.FirstIntersectedNode(r));
}
return(null);
}