英語初学者にお勧めの本・アプリ

友人に向けたメモ。自分が実際に使用した教材の紹介。上に行くほど基礎、下に行くほど応用・実践。 内容は増えていくかも。 iKnow! iKnow!単語、リスニング TOEIC 文法 TOEIC文法 急所総攻撃作者: 長本吉斉出版社/メーカー: 明日香出版社発売日: 1995/08メデ…

THREE.MMDLoaderの解説を「初めてのThree.js 第2版」に寄稿しました

Learning Three.js 2nd edition の和訳書「初めてのThree.js 第2版」にTHREE.MMDLoaderの基本的な使い方の解説を巻末付録として寄稿しました。I contributed an article about how to use THREE.MMDLoader to the book "Hajimete-no Three.js 2nd edition" w…

MMDLoader will be in Three.js r74

THREE.MMDLoader which I've been developing will be available in Three.js r74. It was already merged into r74 dev.https://github.com/mrdoob/three.js/pull/7687MMDLoader enables you to use MMD data on browser with Three.js.Demo: http://takahi…

Real-Time 3D CG model dancing with music sync by JavaScript and WebGL

Introduction I made a web app which lets MMD(3D CG animation tool) model dance with music sync on your chrome.It's implemented from kinda scratch with JavaScript and WebGL.(I mean I don't use any 3D CG libraries like Three.js though I use …

My MMD viewer on chrome supports Physics

Demo http://takahirox.github.io/mmd-viewer-js/Only for Windows and chrome. source codes My source code https://github.com/takahirox/mmd-viewer-js/ messed yet tho.I use Ammo.js(https://github.com/kripken/ammo.js/) for physics. video and sna…

Trying to load MMD model on Chrome with WebGL

I've got the flu and cannot go out. So instead I'm trying to load MMD model on Chrome with WebGL.

Memo: How to build OpenBSD from source code and add system call on QEMU

Introduction Memorandum for myself. I just follow these three articles. Thanks dude. http://undeadly.org/cgi?action=article&sid=20130109210346 http://www.onlamp.com/pub/a/bsd/2003/10/09/adding_system_calls.html http://www.openbsd.org/faq/f…

Memo: How to build MySQL

Memorandum for myself. Install Lubuntu into Netbook(eeePC 1000H) via USB Universal USB Installer http://www.pendrivelinux.com/universal-usb-installer-easy-as-1-2-3/ Lubuntu image http://lubuntu.net/ Get, build, and test MySQL Get source co…

Player character viewpoint support into 2D shooter game with WebGL

I supported Player character viewpoint using WebGL into touhou like shooting.https://github.com/takahirox/toho-like-jsPresss "Y" to change the viewpoint. You can use it in sole play, replay, and co-op play.

P2P online co-op shooter game with WebRTC

Introduction I've implemented a Touhou style shooter game. Its special feature is that you can enjoy P2P co-op play with your friend using WebRTC.I'll introduce you how to connect with your friend. Try and enjoy! How to connect and begin t…

Online co-op shooter game with WebRTC

Began to work on Chrome with P2P connection. It uses WebGL, WebSocket, and WebRTC. http://takahirox.github.io/toho-like-js/index2.html

WebRTC performance test on 2D shooter game

I'm making WebRTC performance test on 2D shooter game. Ask me how to use it if you're interested in it because its interface and functionality are not straightforward yet.http://takahirox.github.io/toho-like-js/webrtc_test.html I reused We…

JavaScript performance technique experiment 2

calling a bound function and bind() itself is slow test code. I ran it on Windows chrome. /* the prototype to compare with */ function A() { this.val = 1; }; A.prototype.func = function() { return this.val; }; /* B is callee and C is calle…

JavaScript performance technique experiment

Introduction I've been developing some JavaScript applications. Lately I faced with the performance problem. So, I began to read "High Performance JavaScript" and some useful websites, and decided to optimize the code with some JavaScript …

I'm implementing a NES emulator with JavaScript

I've been implementing a NES(Famicom in JP) emulator with JavaScript. Finally I achieved to display a pic after boot up. It stops after display the pic, but prolly you can actually play games on it soon.The code and the demonstration is he…

WebSocket adoption to the game.

Introduction As I wrote in the previous article, I began some experiments of the network use on the web browser game.First of all, I evaluated WebSocket performance which could be the easiest to use, to know what I can do with it.WebSocket…

Porting the 2D shooter game to WebGL.

Introduction In the previous article http://d.hatena.ne.jp/takahirox/20140518/1400388214 I found that WebGL can much improve the drawing performance.So I ported the 2D shooter game which I've been developing to WebGL, not only background b…

WebGL benchmark based on 2D traditional shooting game

Introduction I made a WebGL benchmark based on 2D traditional shooting game to know the WebGL potential.I'll introduce it and I got a good result much better than Canvas. Benchmark http://takahirox.github.io/toho-like-js/webgl_test.htmlPro…

Adopted WebGL to draw the 3D background of 2D shooter game.

Introduction Finally I adopted WebGL to draw the 3D background of the traditional 2D shooter game which I made.The combination of 2D main game layer and 3D background layer looks good, isn't it? Screenshot Play You can play my game on your…

WebGL experiment onto JavaScript STG

Introduction Lately, I've studied WebGL to get used to GPU. I think I understand the basic knowledge, so I began to try to adopt it into the STG which I've been developing.I've had the problem in the STGthat the canvas drawing leads the sl…

MySQL source code reading 2 - basic flow

Introduction This article follows http://d.hatena.ne.jp/takahirox/20140331/1396222792.I'll confirm the basic query processing flow in this article. Main directories The directories which I mainly need to see is these three directories. htt…

MySQL source code reading 1 - get ready

Introduction Began to read MySQL server source code. I'll write down what I read and what I understand to keep them in my mind. (Too complex for me to remember without any memorandum...)First of all, I wrote how I prepared to read the code…

Easy Rapid serial visual presentation implementation with JavaScript.

Introduction I implemented easy RSVP(Rapid Serial Visual Presentation) with JavaScript because I was inspired by Spritz(http://www.spritzinc.com/).RSVP is one of the common high speed reading technique. You can see the detail of RSVP and S…

How to reduce GC processing on real time JavaScript game.

Introduction You know, I've been implementing a STG with JavaScript and HTML5. (This article follows the previous article http://d.hatena.ne.jp/takahirox/20130819/1376894048)Recently, the low performance of the STG was getting serious, the…

I implemented a STG with JavaScript and HTML5 in a week.

Introduction Suddenly I felt I wanna implement a STG. So, I implemented it with JavaScript and HTML5 in a week. I'll introduce you it here. Play You can play it here. http://takahirox.github.io/toho-like-js/index.html (Be careful that the …

I published the PDP-11 Emulator implemented with JavaScript.

Introduction This entry follows the last entry.http://d.hatena.ne.jp/takahirox/20130707/1373178742I'll introduce my PDP11 emulator implemented with JavaScript because I almost achieved it. PDP-11 Emulator implemented with JavaScript You ca…

PDP-11 Emulator implemented with JavaScript.

Introduction Hi, it's been a while. I'll show you what I implemented recently today. PDP-11 Emulator implemented with JavaScript 2013/07/22 2013/07/21 2013/07/09 2013/07/07 I implemented a PDP-11 Emulator with JavaScript. You can see on th…

UNIX 6th システムプログラミング - init その4

はじめに 今回も引き続きinitのソースコードを見ていきます。今回でようやくinitも一段落です。 init http://minnie.tuhs.org/cgi-bin/utree.pl?file=V6/usr/source/s1/init.c前回のエントリで、single user modeの時の起動処理を確認することができました。…

「はじめてのOSコードリーディング」という本を出版します

はじめに 「はじめてのOSコードリーディング 〜UNIX V6で学ぶカーネルのしくみ〜」という本を2013年1月8日に技術評論社から出版します。はじめてのOSコードリーディング ~UNIX V6で学ぶカーネルのしくみ (Software Design plus)作者: 青柳隆宏出版社/メーカ…

UNIX 6th システムプログラミング - init その3

はじめに initのソースコードを、引き続き見ていきます。今回は起動時の処理であり、hangupが起きた時の再開ポイントでもある個所から始めます。そうそう、今さらなのですが、UNIX 6th システムプログラミング(code reading)のスタイルについてです。カーネ…