namespace Quadtree
{
    internal struct QuadtreeVertex
    {
        /// <summary>
        /// The index of the first child vertex of this vertex if it is a branch, or the index of its first item if it
        /// is a leaf.
        /// </summary>
        public int FirstChildIndex;

        /// <summary>
        /// The number of child items of this vertex if it is a leaf, or -1 if it is a branch.
        /// </summary>
        public int ChildCount;

        public QuadtreeVertex(int firstChildIndex, int childCount)
        {
            FirstChildIndex = firstChildIndex;
            ChildCount = childCount;
        }
    }
}