public List <SpatialObj <T> > WindowQuery(Rectangle window)
{
// Finds objects within a Rectangular range (window)
List <SpatialObj <T> > answer = new List <SpatialObj <T> >();
Queue <CoverNode <T> > searching_nodes = new Queue <CoverNode <T> >();
searching_nodes.Enqueue(rootNode);
while (searching_nodes.Count > 0)
{
CoverNode <T> current_node = searching_nodes.Dequeue();
if (current_node.IntersectsWith(window))
{
answer.AddRange(current_node.GetRangeQueryObj(window));
if (current_node.HasChildren())
{
foreach (CoverNode <T> child in current_node.GetChildren())
{
if (!searching_nodes.Contains(child))
{
searching_nodes.Enqueue(child);
}
}
}
}
}
return(answer);
}