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Doug Twilleager

Doug is Chief Architect of the Java Games Technologies group at Sun Microsystems. Previously, he was one of the architects of Java 3D. He also worked in the graphics research group at Sun focusing on programmable shading and advanced rendering techniques. Throughout his 14 years at Sun, he has worked on products such as OpenGL, XGL, and the X server. He is also an avid gamer.


yensid's blog

Mobile Multiplayer Games and 3G

Posted by yensid on April 20, 2005 at 9:15 PM PDT

Yesterday a customer asked me “What advantage does the
bandwidth of new 3G networks bring to mobile games?” My
answer: None. Huh?

It's not quite true. The extra bandwidth does provide for larger
games. Consumers are willing to wait for only so long before their
game arrives, and the extra bandwidth will allow for larger downloads
in the same amount of time.

Doom on Cell Phones

Posted by yensid on March 28, 2005 at 8:26 PM PST

So, today we find out that John
Carmack has entered the world of cell phone games
. I have a
great amount of respect for Mr Carmack. Doom was one of the first
games I ever played, and I have even ported Quake to Java.

Java Game Development Myths

Posted by yensid on February 25, 2005 at 9:33 PM PST

I have been meaning to write this one for a while. And now, just over a week before the Game Developer Conference (GDC), it seems like just the right time. This entry will continue trying to answer the question "Why aren't there more commercial games written in Java". There are exceptions.

Back to Blogging

Posted by yensid on February 18, 2005 at 6:18 AM PST

I must appologize for not blogging over here more often. I have been posting fairly regularly now over at, but I need to get into the habit of going back and forth. A lot has been going on around here, and I will get to that later today. I will start by reposting something I posted over thare last week.

You gotta love GDC

Posted by yensid on April 11, 2004 at 5:36 PM PDT

Now that the Game Developer Conference (GDC) is over, and we are slowly getting dug out of being away for a week, it is interesting to look back at the fun things at GDC.