Жители Санкт-Петербурга устроили «крысогон»17:52
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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yinglunz (@yinglun122)
未来的趋势，以中国母港为始发港，或者中国游客为目标的船和产品，或许将沿着这几个方向迭代演进：