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function clone(obj) {
  if ((typeof (obj) == "object") && (obj != null)) {
    if (obj instanceof Array) {
      //如果是Array
      let newObj = [];
      for (let i = 0; i < obj.length; i++) {
        if (typeof (obj[i]) == "object") {
          newObj[i] = clone(obj[i]);
        } else {
          newObj[i] = obj[i];

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vi ~/.bash_profile

export JAVA_8_HOME=/Library/Java/JavaVirtualMachines/jdk1.8.0_171.jdk/Contents/Home
export JAVA_9_HOME=/Library/Java/JavaVirtualMachines/jdk-9.0.1.jdk/Contents/Home 
export JAVA_HOME=$JAVA_8_HOME

source ~/.bash-profile

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git init                                                  # 初始化本地git仓库（创建新仓库）
git config --global user.name "xxx"                       # 配置用户名
git config --global user.email "xxx@xxx.com"              # 配置邮件
git config --global color.ui true                         # git status等命令自动着色
git config --global color.status auto
git config --global color.diff auto
git config --global color.branch auto
git config --global color.interactive auto
git config --global --unset http.proxy                    # remove  proxy configuration on git
git clone git+ssh://git@192.168.53.168/VT.git             # clone远程仓库

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const webpack = require("webpack")

module.exports = {
    baseUrl: "/",
    outputDir: "dist",
    // 打包之后静态资源保存的目录
    assetsDir: "assets",
    // 配置多页引用的入口
    pages: {
        index: "src/main.js",

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const webpack = require("webpack");
const HtmlWebpackPlugin = require('html-webpack-plugin');

module.exports = {
    baseUrl: "/",
    outputDir: "dist",
    // 打包之后静态资源保存的目录
    assetsDir: "assets",
    // 配置多页引用的入口
    pages: {

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const gulp = require("gulp");
const spritesmith = require("gulp.spritesmith"); // https://github.com/twolfson/gulp.spritesmith
const imagemin = require('gulp-imagemin');
const concat = require('gulp-concat');
const uglify = require('gulp-uglify');
const rename = require('gulp-rename');
const sass = require('gulp-sass');

// 默认任务
gulp.task('default', function () {

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/* 前提需要先引入three.js
 * n —— 正多边形边数
 * r —— 正多边形所在外接圆的半径
 * cx —— 正多边形所在外接圆的圆形X轴坐标（默认为：0）
 * cy —— 正多边形所在外接圆的圆形Y轴坐标（默认为：0）
 */
function drawPolygon(n ,r, cx = 0, cy = 0) {
    let vertexs = [];
    for(let i=0; i<n; i++) {
        let x = cx + r*Math.sin(2*Math.PI/n*i);

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    /* 绘制坐标系
     * scene —— 要绘制坐标系的场景（let scene = new THREE.Scene()）
     */
    function drawCoordSystem(scene) {
        // 创建三个坐标轴的几何模型
        let geometryX = new THREE.Geometry();
        geometryX.vertices.push(
            new THREE.Vector3(-5, 0, 0),
            new THREE.Vector3(5, 0, 0),
            new THREE.Vector3(4.8, 0.2, 0)

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var express = require('express');    
var app = express();

app.use(express.static('dist'));

//设置跨域访问
app.all('*', function(req, res, next) {
    res.header("Access-Control-Allow-Origin", "*");
    res.header("Access-Control-Allow-Headers", "Origin, X-Requested-With, Content-Type, Accept");
    res.header("Access-Control-Allow-Methods","PUT,POST,GET,DELETE,OPTIONS");

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/**
 * 正则字符串去重
 *
 * @param {string} str —— 需要去重的字符串
 * @returns
 */
function clearRepeat(str) {
	let regex = /(.)?/g;
	return str.replace(regex, function($1, $2, $3, $4) {
		return $4.indexOf($2) === $3 ? $2 : '';