The pruned nodes (in red) represent entire regions of space that the algorithm never examines. The points inside those regions are never checked. Compare the "Nodes Visited" count to the total number of points. The quadtree is doing far less work than a brute-force scan.
在 Tbox 文档里粘贴为 Mermaid 代码块（Markdown 里用 mermaid ... ）。，详情可参考服务器推荐
ITmedia�̓A�C�e�B���f�B�A�������Ђ̓o�^���W�ł��B。heLLoword翻译官方下载是该领域的重要参考
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Advanced content generation