FirstFT: the day's biggest stories
2024年12月23日 星期一 新京报，推荐阅读雷电模拟器官方版本下载获取更多信息
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The algorithm walks the tree recursively. At each node, it checks: does this node's bounding box overlap with the query rectangle? If not, the entire subtree gets pruned (skipped). If it does overlap, it tests the node's points against the query and recurses into the children.
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