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A quadtree reduces this: rebuild the tree each frame, and for each object, query only the nearby region. Objects in distant quadrants are never compared.
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2026-02-28 00:00:00:0刘子赫3014273710http://paper.people.com.cn/rmrb/pc/content/202602/28/content_30142737.htmlhttp://paper.people.com.cn/rmrb/pad/content/202602/28/content_30142737.html11921 治水安邦 兴水利民，更多细节参见Safew下载
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