I've been trying to build up a texture library in order to texture map my levels. I brought my digital camera to the park here in Knoxville, and took some shots of the grass, some rocks by the river, the sky. They were nice but I needed a little more variety.

So I logged onto expedia and bought two …

I finished coded and implementing the quad-tree data structure to handle my collision detection geometry. I figured that a quad-tree would do the trick because I see no reason to partition the geometry along the y axis. If my level geometry consists of several rooms above rooms, I don't think it wi…

In a recent entry I made some comments about Paul Nettle's collision detection article here on gamedev. You can find his article here:

General Collision Detection for Games Using Ellipsoids

I spent some time this weekend combing through my code to try to find my mistakes. I found them and fixed them.…

I fixed the key repeat issue with my engine tonight. Before, I was relying on the operating system key repeat setting to implement movement. So when the player held down the 'W' key, for example, the engine would move forward a frame, pause, and then start smooth scrolling forward.

There were two pr…

If the rules of life were really like the game Oblivion I would have woke up this morning and thought...

"So that's how you do it. What once was a struggle has now become second nature. Please distribute attribute points."

I will add +3 to my Collision Detection skill please.

I finally finished the c…

I have basic collision detection working now. I still need to make the routine recursive and add sliding. Geometry that can collide is now a derived zone class of the world object. Only zone geometry is considered for collision tests. Selectable items will be another derived class of the world obje…

Have you ever seen Quake 3 running at 11,520 x 3072 resolution? Well, here is your chance. It required 27 DLP projectors running at 1280x1024 each to do this:

http://members.gamedev.net/jdaniel/movies/quake3_11520x3072.mpg

...fun with printf and the ray equation.

...

Ray origin (players current position): -24.394674 0.000000 8.963964
Normalized Ray vector (direction player wants to move): -0.750111 0.000000 0.661312
Point on plane (a point on this polygon): -105.251305 -131.641800 -105.308907
Normalized plane normal (nor…

It snowed here over the weekend, so I finally convinced myself to do some work on this project. I am about ready to code up the collision detection, and I need some level geometry in order to test.

Here is a quick pencil sketch I jotted out on graph paper. I ran the image through a filter after I sc…

I've noticed silhouette detection being used more commonly in next generation titles. Perfect Dark Zero uses silhouette detection as a special ability of one of the guns. Here is an example (and yes, this was my camera aimed at the television :P)


PERFECT DARK ZERO - XBOX 360

What is of particular int…