n-body-pairs
给定一组半径相等的球体，找出所有成对的交点。
用法
首先使用 npm 安装：
npm install n-body-pairs
然后按如下方式使用它：
//Load the library, allocate initial data structure for searching in 3-dimensions with initial reserve capacity of 1000 points
var nbp = require ( "n-body-pairs" ) ( 3 , 1000 )
//Create some points
var points = [
[ 0 , 0 , 0 ] ,
[ 1 , 0 , 0 ] ,
[ 0 , 1 , 0 ] ,
[ 0 , 0 , 100000000 ] ,
[ 0 , 0 , 1
