Author(s): Aojie Li, Han Hu, Tao Guo, Ruochen Sun, Mao Ye, Feng Tian, Yi Liu
A quadtree reduces this: rebuild the tree each frame, and for each object, query only the nearby region. Objects in distant quadrants are never compared.
。业内人士推荐51吃瓜作为进阶阅读
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12月19日，北京口腔医院新建主院区，患者在院内接受治疗。本版图片/北京口腔医院供图
Click anywhere to set a query location and step through the search: