Re: [Plib-users] Matrix rotation question

[Steve B. <sjb...@ai...>]

"Curtis L. Olson" wrote:
> 
> It sounds like you may be experiencing "gimble lock".  If so, you
> should take a look at the definitive document on the subject:
> 
>     http://web2.airmail.net/sjbaker1/eulers_are_evil.html

I agree - this has all the symptoms of that.  When you are pitched up
by 90 degrees, roll and heading end up rotating about the same axis.

Better go learn some quaternions!

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