public IEnumerable <Projection <TValue> > Visit(ViewVertex vertex, Arguments args)
{
if (CheckDepth(args, vertex))
{
yield break;
}
if (args.Raycasting && (!vertex.View.Displayed(drawClient: args.RaycastClient)))// || !_areaContains(vertex.View, args.Value)))
{
yield break;
}
if (!args.ViewDepths.ContainsKey(vertex))
{
args.ViewDepths[vertex] = 0;
}
args.ViewDepths[vertex]++;
IVertexBase vertexBase = vertex;
foreach (Projection <TValue> projection in Visit(vertexBase, args))
{
yield return(projection);
if (args.Raycasting)
{
break;
}
}
args.ViewDepths[vertex]--;
}
private bool CheckDepth(Arguments args, ViewVertex view)
{
return(args.DepthMax > -1 && args.Depth + 1 >= args.DepthMax ||
args.ViewDepthMax > -1 && args.ViewDepths.TryGetValue(view, out int viewCount) && viewCount + 1 >= args.ViewDepthMax);
}
