Young Zhao zhaocnus

zhaocnus / coordinateToPosition.js

Last active November 18, 2017 01:28

webgl-globe

	export function coordinateToPosition(lat, lng, radius) {
	const phi = (90 - lat) * DEGREE_TO_RADIAN;
	const theta = (lng + 180) * DEGREE_TO_RADIAN;

	return new THREE.Vector3(
	- radius * Math.sin(phi) * Math.cos(theta),
	radius * Math.cos(phi),
	radius * Math.sin(phi) * Math.sin(theta)
	);
	}

zhaocnus / webgl-globe.js

Last active August 28, 2019 09:51

webgl-globe

	import * as THREE from 'three';
	import { geoInterpolate } from 'd3-geo';

	const GLOBE_RADIUS = 200;
	const CURVE_MIN_ALTITUDE = 20;
	const CURVE_MAX_ALTITUDE = 200;
	const DEGREE_TO_RADIAN = Math.PI / 180;

	export function clamp(num, min, max) {
	return num <= min ? min : (num >= max ? max : num);

zhaocnus / chrome.md

Last active March 6, 2017 20:12

Chrome

Check/update chrome flags

zhaocnus / random.js

Last active May 1, 2024 21:14

	/**
	* braces/brackets/parentheses validator
	*/
	function check(str) {
	const closers = {
	')' : '(',
	'}' : '{',
	']' : '['
	};
	const openers = {

zhaocnus / database.sh

Last active January 30, 2017 18:49

Database

	# simple php server to serve adminer
	php -S localhost:8000

zhaocnus / React_cheatsheet.js

Last active May 1, 2024 21:15

	// children propType
	Foo.propTypes = {
	children: PropTypes.oneOfType([
	PropTypes.arrayOf(React.PropTypes.node),
	PropTypes.node
	])
	}

	// use react router in a component (if you have to)
	import withRouter from 'react-router/lib/withRouter';

zhaocnus / git.sh

Last active January 24, 2018 07:56

	# create local branch (shorthand)
	git checkout -b <branch_name>

	# create local branch
	git branch <branch_name>
	git checkout <branch_name>

	# and then start hacking and commit

	# push branch to remote

zhaocnus / nginx.conf

Last active March 10, 2017 03:40

Nginx config

	# Serve static SPA
	server {
	listen 80;

	root /home/young/src/www.example.com/;
	index index.html;

	server_name www.example.com;

	location / {

zhaocnus / svn.sh

Created October 14, 2016 18:23

svn commands

	# delete all locally missing files
	svn st \| grep ^! \| awk '{print " --force "$2}' \| xargs svn rm

	# add all unversioned files to SVN
	svn add --force * --auto-props --parents --depth infinity -q

	# edit a ignore list on this folder
	svn propedit svn:ignore .