The algorithm maintains a running "best distance" that starts at infinity. As it walks the tree, it checks each visited point and updates the best distance if it finds something closer. Before recursing into a child node, it checks whether the closest possible point in that child's bounding box is farther than the current best. If so, the entire subtree gets pruned.
如果你直接把物体放进去，可能会发现一片漆黑。为什么？因为在 3D 世界里，除了特殊的“基础材质”，大多数材质都需要光才能被看见。
。搜狗输入法2026是该领域的重要参考
3 December 2025ShareSave。WPS下载最新地址对此有专业解读
Jones told the Telegraph he initially thought the slur, shouted while black actors Michael B Jordan and Delroy Lindo were onstage, had been contained within the auditorium.