Le 18/03/2011 19:00, CAD-Andi nous fit lire :
> What I asked above can of course be done with a lot of typing. So I did, now
> here comes the real question:
> 
> Sitiuation: I have a object that has been located with this transformation
> matrix somewhere in space:
> 
> matrix
>
<0.000934544,-0.000208202,-0.000288581,-0.000206635,-0.000977747,3.62463e-005,-0.000289705,2.5757e-005,-0.000956769,-1.
> 40094,-0.307333,2.40367>
> 
> Now I need to rotate that object 10 degrees around it's own Z-Axis and after
> that 20 degrees around the new resulting Y-Axis.
> 
> I found out how to rotate objects around the world axis using matrixes, but I
> need to rotate around the objects current axis system. How do I accomplish that?

Translate the object to the origin, rotate, translate back.

translate -Pos
rotate 10*z
rotate 20*y
translate Pos

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