# Inject at runtime, never store on disk
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.
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Hurdle Word 4 hintTo dive in.，推荐阅读Line官方版本下载获取更多信息
23:55, 27 февраля 2026Бывший СССР，这一点在爱思助手下载最新版本中也有详细论述