public static void TransformAABBTree(AABBTree tree, Matrix transform)
 {
     TransformAABBNode(tree.Root, transform);
 }
 public static void Render(AABBTree tree, Matrix world, Matrix view, Matrix proj, RenderContext render_context, Color color)
 {
     RenderNode(tree.Root, world, view, proj, render_context, color);
 }
        public static float LongestLeafCornerLength(AABBTree tree)
        {
            List<AABBNode> leafs = new List<AABBNode>();
            AABBHelper.Leafs(tree.Root, leafs);

            if (leafs.Count == 0)
            {
              //>)
              return -1f;
            }

            float longest_length = 0f;
            for (int i = 0; i < leafs.Count; i++)
            {
              BoundingBox box = leafs[i].BBox;
              Vector3[] corners = box.GetCorners();

              for (int j = 0; j < corners.Length; j++)
              {
            Vector3 to_corner = corners[j];
            float length = to_corner.Length();
            if (length > longest_length)
            {
              longest_length = length;
            }
              }
            }

            return longest_length;
        }