matrix = yes quat = no Was: [Plib-users] quaternion routines work ?

[Oliver B. <sh...@ih...>]

The matrix routines in sg appear to work perfectly from the cvs
version of plib  but the quaternion routines .... I have my doubts ..
 this is with virtually the same code ...

On Tue, 11 Apr 2000, you wrote:
> > ... are you sure that you don't get a gimbal lock? (cf.
> > hhttp://web2.airmail.net/sjbaker1/eulers_are_evil.html) Your code looks
> > like it could cause a gimbal lock...
> 
> How could it - it rotates up and down on a very small angle when I
> tell it to rotate around the x axis by a small amount each frame ... 
> Gimbal lock would only afffect if it I was rotating around 2 or more
> axis ... (which I will in the end but for now 1 axis doesnt even work
> :(
> I think ill try and use a matrix instead :)
> 
> 
> Oliver Batchelor
> 
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