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During my study of Flutter, I have been using the flutter_bloc state management framework. I accidentally saw the GetX state management framework. Through ReadMe, I found that the GetX framework is very easy to get started. So I want to write a GetX Starter project while learning, which can not only help myself Learning can also help others quickly build a boilerplate. Before building this boilerplate, I searched many similar projects, and found that they were relatively simple, and none of them covered the common things that the project should have, so I sprouted the idea of ​​writing one by myself. Let me introduce them one by one below.

A quadtree recursively partitions two-dimensional space into squares, dividing each square into four equally-sized squares. Each distinct point exists in a unique leaf node; coincident points are represented by a linked list. Quadtrees can accelerate various spatial operations, such as the Barnes–Hut approximation for computing many-body forces, collision detection, and searching for nearby points.