Seb Lee-Delisle

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Predicting circle line collisions

In my previous collision detection post (in what I expect will become a series), I talked about predicting whether two objects would collide in between frames. This is to avoid the situation where the objects are moving so fast that … There’s more

Posted in Flash Physics | 35 Comments

Predictive collision detection techniques

In preparation for my upcoming Flash game programming training courses, I’m getting my head back into game physics, and I so I thought I’d share some useful collision detection methods I’ve discovered over the last few years. Reactive collision detection … There’s more

Posted in Actionscript, Flash, Flash Physics, Game programming | Tagged , , | 22 Comments

Learn how to program Flash games

I’ve just set up a brand new 2 day training course to teach you everything I know about making Flash games! It’s in Brighton (of course) on the 8th and 9th of February (the week after the Papervision training). We’ll … There’s more

Posted in Actionscript, Flash, Flash Physics, Game programming, Training Courses | 24 Comments

Technical Reviewer: Making Things Move part 2

Whenever anyone asks me to recommend a good book to learn ActionScript 3, I always tell them to run on over and buy a fresh copy of Keith Peters’ Making Things Move. In fact I was quite gutted when the … There’s more

Posted in Actionscript, Flash, Flash Physics, Game programming, Journalism | Comments Off on Technical Reviewer: Making Things Move part 2

Particle tutorial part 2 in Computer Arts magazine

Part two of my particle tutorial in Computer Arts is featured in issue 152, August 2008. Using the skeletons on the Plug-in Media website as an example, I take you through how to blow things up in Flash! Source files … There’s more

Posted in Actionscript, Flash, Flash Physics, Journalism, Particles | 2 Comments

Computer Arts Particle Article now online

Excellent! I just found out that Computer Arts magazine have posted the article I wrote for them online as a PDF. So you can learn how to make a particle class from scratch and using it to create basic particle … There’s more

Posted in Flash, Flash Physics, News, Particles | 1 Comment

Interactive Digital Fireworks – new video!

It seems like I’ve been promising to write this one up ever since November! And now I can finally reveal the official video of the event! Which gives me the perfect excuse to get around to this blog post. 🙂 … There’s more

Posted in Actionscript, Flash, Flash Physics, News, Particles | 33 Comments

Blowing things up in Toronto

Having a fantastic time here in Toronto, although in a supreme display of poor planning my session is at 9am this morning! Never fear! We shall fight the hangovers from the awesome party last night (thanks Influxis) and produce more … There’s more

Posted in Actionscript, Flash, Flash Physics, Particles, Speaking | 13 Comments

Particle tutorial now on Lynda.com

After the Computer Arts article last month, you can now see my full particle presentation over on lynda.com [sorry, no longer available]. It’s a screen-cast of my presentation at Flashforward in Boston last September. So if you want to know … There’s more

Posted in Actionscript, Flash, Flash Physics, Particles, Speaking | 3 Comments

FITC Amsterdam particle tutorial

I’m just putting the finishing touches to my session for this afternoon, more particle craziness, this time in Amsterdam. If you want to work along with me then you can download the source files here.

Posted in Actionscript, Flash, Flash Physics, Particles, Speaking | 10 Comments