'Defensive attitude'
Real game engines use this pattern (or its 3D cousin, the Octree) for broad-phase collision detection: the quadtree quickly identifies candidate pairs, and a more expensive narrow-phase check tests the actual geometry.，这一点在爱思助手下载最新版本中也有详细论述
Feb 27, 2026 4:36 AM。关于这个话题，搜狗输入法2026提供了深入分析
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