public IInspectTree3DNode <T> Build3D <T> (IInspectTree3DNode <T> node3D, InspectTreeState state)
{
node3D.BuildPrimaryPlane(state);
state.PushGeneration();
foreach (var child in GetRenderedChildren(state))
{
var child3d = node3D.BuildChild(child, state);
node3D.Add(child3d);
}
state.PopGeneration();
return(node3D);
}
IEnumerable <InspectTreeNode> GetRenderedChildren(InspectTreeState state)
{
// exploit the fact that Layers can't have Subview or Layer set
// to walk the children in collapsed layer format
var layer = View.Layer;
var children = Children.OfType <InspectTreeNode>();
foreach (var child in children)
{
if (state.CollapseLayers && layer != null && child.View == layer)
{
foreach (var sublayer in child.Children.OfType <InspectTreeNode> ())
{
yield return(sublayer);
}
yield break;
}
else
{
yield return(child);
}
}
}
