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Category: Robustness

Floating-point tolerances revisited

October 5, 2008 christer 5 Comments

For several years now I’ve participated in the physics tutorial session at GDC (along with Jim Van Verth, Gino van…

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Posted in: Code, Math, Robustness

Robustly computing the centroid for a point set

March 22, 2008 christer 6 Comments

We ran into an interesting problem at work the other day, where we had some geometry partitioning code that gave…

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Posted in: Code, Math, Robustness

Coplanarity is teH eVil!!!11!1!!

October 15, 2007 christer 9 Comments

I sort of implied this in passing in my triangle-triangle tests post, but let’s state it officially: coplanarity (or collinearity)…

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Posted in: Code, Robustness

Triangle-triangle tests, plus the art of benchmarking

September 12, 2007 christer 1 Comment

Over the years, several methods have been suggested for testing the intersection status of two triangles. Perhaps the most well-known…

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Posted in: Code, From hell, Robustness

Now blogging!

June 16, 2007 christer 4 Comments

Welcome to my new blog. Some may have noticed that updates to the http://realtimecollisiondetection.net/ website were very infrequent, to say…

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Posted in: Code, Miscellaneous, Robustness

About me

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

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