A quadtree does the same thing for two-dimensional space. It takes a rectangular region and divides it into four equal quadrants: northwest, northeast, southwest, southeast. If a quadrant has too many points in it, it subdivides again and again. Each subdivision creates smaller and smaller cells where points are densely packed.
Нина Ташевская (Редактор отдела «Среда обитания»)
。业内人士推荐旺商聊官方下载作为进阶阅读
9月10日——罗永浩吐槽西贝预制菜事件，这一点在搜狗输入法下载中也有详细论述
输出必须是 JSON，字段固定：
A map of the province of Morrowind for the Tamriel Rebuilt project. Note that the original game includes only the large island in the bay in the top half of the image.