Box2D.Collision.Broadphase.DynamicTree.ValidateMetrics C# (CSharp) Метод

        private void ValidateMetrics(int index)
        {
            if (index == TreeNode.NULL_NODE)
            {
                return;
            }

            TreeNode node = m_nodes[index];

            int child1 = node.Child1;
            int child2 = node.Child2;

            if (node.Leaf)
            {
                Debug.Assert(child1 == TreeNode.NULL_NODE);
                Debug.Assert(child2 == TreeNode.NULL_NODE);
                Debug.Assert(node.Height == 0);
                return;
            }

            Debug.Assert(0 <= child1 && child1 < m_nodeCapacity);
            Debug.Assert(0 <= child2 && child2 < m_nodeCapacity);

            int height1 = m_nodes[child1].Height;
            int height2 = m_nodes[child2].Height;
            int height = 1 + MathUtils.Max(height1, height2);
            Debug.Assert(node.Height == height);

            var aabb = new AABB();
            aabb.Combine(m_nodes[child1].AABB, m_nodes[child2].AABB);

            Debug.Assert(aabb.LowerBound.Equals(node.AABB.LowerBound));
            Debug.Assert(aabb.UpperBound.Equals(node.AABB.UpperBound));

            ValidateMetrics(child1);
            ValidateMetrics(child2);
        }