December 2006 - Posts

Alpha Blending, Part 3
Ok, in this post I'll talk about additive alpha blending. This time for sure, I promise. In part 2 I talked about disabling depth write, and how that could give okay-ish results. It'll come in handy with additive blending, so if you haven't read that Read More...
Posted 19 December 06 12:22 by etayrien | 5 Comments   
Oops!
A reader pointed out that I had made a mistake in my last post about game structure. I suggested that GameScreen have a GameComponentCollection. However, the constructor for that type is internal, so that's not going to work. Sorry guys. Fortunately, Read More...
Posted 18 December 06 10:02 by etayrien | 1 Comments   
Basic Game Engine Structure
I've seen a couple of posts on the forums asking what the best way to structure a game is. For what it's worth, here's a structure I've used in a few of my games. The design itself isn't too complicated, but it's pretty flexible, and will keep your code Read More...
Posted 12 December 06 08:31 by etayrien | 11 Comments   
Alpha Blending, Part 2
Rough Sorting Last time I explained how “normal” alpha blending works, and why the objects should be drawn back to front. Sorting the objects can be a hassle, though. If it suits your game, you could just try controlling the order your draw calls happen. Read More...
Posted 12 December 06 06:18 by etayrien | 3 Comments   
Alpha Blending (Part 1)
When I was first learning game programming, I remember alpha blending being a bit of a mystery. I wanted to use alpha blending to make transparent particles for some cool explosions. Sounds simple enough – but as anyone who’s tried it before can tell Read More...
Posted 07 December 06 11:45 by etayrien | 4 Comments   
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