• I fixed a bug that in the front/back face edge culling algorithm where the face normal was not being properly multiplied against the rotation matrix.



• I added the ability to rotate or translate any selected object in the world.



• I added a new red-black tree that is keyed on name (a string currently) - …

I arrived at an appropriate development stage in my graphics engine that current bottlenecks are interesting to locate and certain optimizations may be appropriate. Here is an abbreviated account of what I did to explore these bottlenecks and search for possible optimizations.

The first thing I wan…

I arrived at an appropriate development stage in my graphics engine that current bottlenecks are interesting to locate and certain optimizations may be appropriate. Here is an abbreviated account of what I did to explore these bottlenecks and search for possible optimizations.

The first thing I wan…

I spent the second half of the day coding. The first half of the day I took my wife and my dog to Cumberland Mountain State Park for a great day of hiking.

One of my issues today was properly rendering OBJ exports out of Poser. After tracking down and repairing the non-null terminated string bug t…

Today is my birthday and I have now been on the planet for 32 years.

For my birthday I received some great stuff. For one, I got the Game Programming Gems 1 - 5 books. This is some serious reading material and it is going to take me a few months to plow through it all. Some of it is rather intens…

I spent this week reading the SDL library documentation and porting my engine from glut to SDL. I thought seriously about porting the code directly to the WinAPI and using OpenAL for sound, but finally decided to use SDL for various reasons. The most important being the portability to LINUX.

I hav…

heatflux_2095.mpg

I've uploaded a 320x240 movie of a recent openGL application that I put together. The data shown is taken from a possible 2095 scenario that is a "worst case" possibility of atmospheric CO2 concentrations that continue to increase at an unabated rate of 1% per year. The latent heat…

http://www.nvidia.com/object/ornl_success.html

I just noticed nVidia issued a press release that involved some of my work. Must have been a slow press cycle.. :) There is a nice picture of some of the IPCC climate runs that I rendered onto the powerwall however.