Author Archives: Paul Firth

About Paul Firth

A games industry veteran of ten years, seven of which spent at Sony Computer Entertainment Europe, he has had key technical roles on triple-A titles like the Bafta Award Winning Little Big Planet (PSP), 24: The Game (PS2), special effects work on Heavenly Sword (PS3), some in-show graphics on the BBC’s version of Robot Wars, the TV show, as well as a few more obscure projects. Now joint CEO of Wildbunny, he is able to give himself hiccups simply by coughing.

2D polygonal collision-detection and internal edges

Hi and welcome back to my blog! I wanted to share something I’ve recently discovered about the heinous problem of internal edges in 2D polygonal collision detection. It’s not a full-solution, but maybe it will give some other programmers an … Continue reading

Posted in Collision Detection, Geometry, Polygons, Technical | Tagged , , , | 11 Comments

How to make a multi-player game – part 1

Hello and welcome back to my blog! Its been a while since my last post, this is because I’ve been working on a multi-player game, called mmoAsteroids which you can play by clicking on the icon on the side-bar. This … Continue reading

Posted in AS3, Beginner, JSON, Multi-player, Server side, Technical | Tagged , , , , , | 3 Comments

Flash portals and version control

Hello and welcome back to my blog! This article is about version control when releasing a game onto the various Flash portals. Portals A portal is a web-site which concentrates on hosting a large quantity of Flash games. The prolific … Continue reading

Posted in AS3, Business, Portals, Promotion, Server side | Tagged , , , , | 1 Comment

Composing in-game music – retro style

Hello, and welcome back to my blog! Its time for another guest post – I commissioned this one after a very long search to find an artist talented enough and with the right skill-set for composing in game music in … Continue reading

Posted in Chip tunes, Music, Platform game, Technical | Tagged , , , | 6 Comments

Implementing a wrap-around world

Hello and welcome back to my blog! This time I’m going to be talking about something related to the game I’m currently working on, which is a little asteroids style MMO: a wrap-around world. This was necessary because the asteroids … Continue reading

Posted in AS3, Geometry, Graphics, Technical | Tagged , , , | 5 Comments

The physics of rolling

Hello and welcome back to my blog! This time I’m going to talk about the physics behind simulating a rolling circle, Super Monkey Ball style but in 2d. The key The key to making this work is understanding how we … Continue reading

Posted in AS3, Circles, Collision Detection, Geometry, Physics, Technical | Tagged , , , , , | 10 Comments

Fun with convex polygons

Hello and welcome back to my blog! I wanted to talk about a couple of elegant ways of working with polygons that I’ve used over the years. Simple convex polygon area I’ve seen a lot of people go through and … Continue reading

Posted in AS3, Geometry, Graphics, Polygons, Technical | Tagged , , , , , , | 12 Comments