IEnumerable <Node> PushByNodeAndReportPushedAsFixed(Node pushingNode)
{
var ret = new List <Node>();
var pushingNodeBox = GetPaddedBoxOfNode(pushingNode);
foreach (var rectNode in rtree.GetAllLeavesIntersectingRectangle(pushingNodeBox))
{
if (fixedNodes.Contains(rectNode.UserData))
{
continue;
}
if (PushNodeAndUpdateRTree(pushingNode, rectNode))
{
ret.Add(rectNode.UserData);
}
}
return(ret);
}