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Paul Ridgway

Quick and Easy Lets Encrypt Certificates using Docker

Quick and Easy Lets Encrypt Certificates using Docker

Introduction Let's Encrypt is an awesome service that appeared on my radar around the end of 2015. Let’s Encrypt is a free, automated, and open certificate authority (CA), run for the public’s benefit" Basically they provide free SSL certificates. Better yet they have made significant

Tower Defence

A visually stunning tower defence game, awarded full marks. Also known as Photon Defence... Please note, this is a first revision and there are bound to be mistakes. Game Play Video: Features Video: Introduction In the second half of my final year at Sheffield University I took a module called

Real-time Environment Mapping in OpenGL

Environment Mapping, also known as Reflection Mapping is an efficient technique for simulating realistic reflections. In many cases a precomputed texture is rendered on the object which represents the environment surrounding scene. The following image is an example from Wikipedia: And the next is an environment mapped teapot it a

Network Based Scene in OpenGL

This scene is rendered identically on two computers with a TCP server sharing the scene data. A cube created on any client is shared with all other clients. More details coming soon...

Rescue from ‘execution expired’ in Ruby

Today I was trying to rescue from an 'execution expired' error when using another colleague's gem (which interfaces with an XML RPC API). Thankfully I found this snippet at http://geoff.evason.name/2011/01/16/rescue-from-execution-expired-in-ruby/. begin # do something involving Net:HTTP rescue => e

Continuous Terrain Generation

I saw this done for a dissertation and decided to try it for myself. The height map is generated on the fly based on the last data known to create a smooth variation. More details coming soon...

Hierarchical Quadratic Mesh

Taking the Hierarchical Triangular Mesh prototype further, with a quadratic version texturing is easier using a skybox-like texture. More details coming soon...

Hierarchical Triangular Mesh

A HTM based sphere generation prototype, each primitive is approximately the same size and therefore it does not suffer from any singularities. http://research.microsoft.com/apps/pubs/default.aspx?id=64531 http://researchweb.iiit.ac.in/~shiben/docs/HexGeomClip_Shiben-PJN.pdf More details coming soon...

OpenGL World Generation

This prototype procedurally generates and textures a sphere to that it looks like the earth. Unfortunately it suffers from polar singularities, where the vertices for all the longitudinal slices meet and cause a dithering artefact on the screen. More details coming soon...

Person Search System

A search engine using Hadoop The aim of the Person Search System project was to crawl the web and find individuals, like many of these other person-finding sites. But unlike the other sites we also wanted to distinguish between different people with the same name. System system was built upon

RDFaS

A cluster based RDFa spider. The RDFa Web Spider (RDFaS) was my 3rd year dissertation project. This page was migrated from rdfas.com Abstract (from the final report) Current web 'standards' formalize formatting and provision of information on the Web, but little of this information can be put

Spotify S15

The Logitech G15 plugin to show what Spotify is playing To use simply download and extract the files. When you run S15.exe it will register with the logitech plugin manager and then start automatically from the location you extracted it to. For that reason you may want to extract

Rock Band Bot

Taking the Guitar Hero bot further. Most of the detail on the Rock Band Bot is now on a site dedicated to both the GH3 Bot and the Rock Band Bot called Rock Bots. An excerpt from the Rock Bots Site This website describes, sells and supports a project to

Guitar Hero Bot

Automate playing a rhythm game. Most of the detail on the Guitar Hero 3 bot is now on a site dedicated to both the GH3 Bot and the Rock Band Bot called Rock Bots. An excerpt from the GH3 Project The bot, which is technically an application that runs on

Facebook Graffiti

Note: This is a legacy post from 2007 which is no longer relevant or maintained "Painting" graffiti from images on to the Facebook graffiti application. By popular demand I have finally got round to creating a quick site for my Graffiti Project as seen on YouTube.