Creator of the C4 Engine, author of Mathematics for 3D Game Programming & Computer Graphics, editor for the Game Engine Gems series.

Latest Media

We're sorry, but no images, videos or audio files have been added to this gallery.

If you would like to share media with the community, sign up and you can.


Latest tweets from @ericlengyel

An example of what happens in shadow map when polygons nearly parallel to light dir don't have depth offset clamped.

Aug 13 2014, 7:33pm

RT @TheAllenChou: A game is fun because it's fun, not necessarily because it looks more realistic, renders more pixels, or has higher frameā€¦

Aug 13 2014, 7:14pm

I need the DepthBiasClamp feature from DX10+ in OpenGL to get rid of the sharp angle shadow mapping problem. Surprised there's no extension.

Aug 13 2014, 2:17am

@j3ffdr Does Toolbag have an import/export API through which OpenGEX support could be added?

Aug 12 2014, 10:11pm

I'm surprised by how many 1024 x 1024 x 6 cube shadow maps for short-range point lights can be rendered in 16ms on today's mid-range GPUs.

Aug 12 2014, 7:48pm

The new ARB_direct_state_access extension is great and finally fixes some long-standing problems.

Aug 11 2014, 6:44am

A good way to give your game a little more testing coverage is to let your two year old son have the controls.

Aug 10 2014, 7:55pm

@rygorous then ports could be connected to a ring bus shared by all EUs. No longer need to multiply ports by EU count.

Aug 9 2014, 5:00am

@rygorous [Random thoughts] I wonder if longer pipelines could be staggered so that different EUs never access RF at same time, and ...

Aug 9 2014, 4:59am

@rygorous I also tweeted about banking a few hours ago for the three-operand instructions.

Aug 9 2014, 4:16am

Terathon Software

Terathon Software

Developer Open to all members

Terathon Software is the company that develops the C4 Engine.

Post a Comment
click to sign in

You are not logged in, your comment will be anonymous unless you join the community today (totally free - or sign in with your social account on the right) which we encourage all contributors to do.

2000 characters limit; HTML formatting and smileys are not supported - text only

Offline Since
Jun 22, 2014
United States United States
Member Watch
Track this member
Activity Points
30,346 of 467,334
1 member
Time Online
1 second
Site Visits
Profile Visitors
978 (2 today)
Private Message
Send Now
Members Only

No one is friends with elengyel awww. You should invite your mates to the site, or make new ones.