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.
想象一下，你用饼干模具在面团上按了一下，这就是 ExtrudeGeometry 做的事。
，推荐阅读WPS官方版本下载获取更多信息
Последние новости。关于这个话题，雷电模拟器官方版本下载提供了深入分析
В Финляндии предупредили об опасном шаге ЕС против России09:28，这一点在safew官方下载中也有详细论述