Isosurface.ManifoldDC.OctreeNode.ConstructNodes C# (CSharp) Method

        public bool ConstructNodes(List<VertexPositionColorNormalNormal> vertices, ref int n_index, int threaded = 0)
        {
            if (size == 1)
                return ConstructLeaf(ref vertices, ref n_index);

            type = NodeType.Internal;
            int child_size = size / 2;
            bool has_children = false;

            Task[] threads = new Task[8];
            bool[] return_values = new bool[8];

            for (int i = 0; i < 8; i++)
            {
                this.index = n_index++;
                Vector3 child_pos = Utilities.TCornerDeltas[i];
                children[i] = new OctreeNode(position + child_pos * (float)child_size, child_size, NodeType.Internal);
                children[i].child_index = i;

                int index = i;
                if (threaded > 0 && size > 2)
                {
                    threads[index] = Task.Factory.StartNew(
                        () =>
                        {
                            int temp = 0;
                            return_values[index] = children[index].ConstructNodes(vertices, ref temp, threaded - 1);
                            if (!return_values[index])
                                children[index] = null;
                        }, TaskCreationOptions.AttachedToParent);
                    //threads[index].Start();
                }
                else
                {
                    if (children[i].ConstructNodes(vertices, ref n_index, 0))
                        has_children = true;
                    else
                        children[i] = null;
                }
            }

            if (threaded > 0 && size > 2)
            {
                for (int i = 0; i < 8; i++)
                {
                    threads[i].Wait();
                    if (return_values[i])
                        has_children = true;
                }
            }

            return has_children;
        }