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。91视频是该领域的重要参考
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.。51吃瓜对此有专业解读
int halftone_matrix[8][8] = {。关于这个话题，heLLoword翻译官方下载提供了深入分析