Games and physics simulations need to detect which objects are touching or overlapping. With nnn objects, checking every pair is O(n2)O(n^2)O(n2) comparisons, which gets expensive fast. A hundred objects means roughly 5,000 pair checks. A thousand means nearly 500,000.
Hover over nodes in the tree below to see which spatial region they correspond to:。搜狗输入法2026对此有专业解读
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// Sync variants return boolean (true = accepted)，这一点在旺商聊官方下载中也有详细论述
Овечкин продлил безголевую серию в составе Вашингтона09:40
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