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Month: July 2007

Minimum bounding circle (sphere) for a triangle (tetrahedron)

July 27, 2007 christer 7 Comments

In Chapter 4 of RTCD I talked about, amongst other things, how to compute the minimum bounding sphere for a…

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Posted in: Code, Math

Formulas that play { chess, checkers, whatever } optimally

July 19, 2007 christer 7 Comments

It was reported today that Jonathan Schaeffer and his Games Group team at University of Alberta have solved checkers. Assuming…

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Posted in: AI, Code

Vector expressions as matrices, using outer products

July 15, 2007 christer Leave a comment

Reading through Peter Shirley’s graphics blog I found an old post asking about what the outer product means operationally and…

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Posted in: Code, Math

Converting RGB to LogLuv in a fragment shader

July 9, 2007 christer 12 Comments

There are a few places on the net that I visit pretty regularly. One such place is the forums at…

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Posted in: Code, Graphics

Plücker coordinates considered harmful!

July 8, 2007 christer 5 Comments

I admit, I have lots of pet peeves; although I like to think of it not as much as having…

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Posted in: Code, From hell, Math

Playtesting and design guidelines for a (racing) game

July 1, 2007 christer Leave a comment

Going through some old folders on my computer I came across a design guidelines document I wrote up towards the…

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Posted in: Design

About me

Hi, I'm Christer Ericson, VP of Technology at Activision Central Tech. This is my blog.

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See the RTCD web page, or see my recommended books page.

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