[ODE] dBodyGetRotation

[Liu]

But, In by mobile robot, i must know the robot rotation of z-axis, How
should I do it ? HELP ~~~

thanks a lot ..


----- Original Message ----- 
From: "Pavel Tumik" <sagor at rostok-cd.kiev.ua>
To: "Liu" <liu.mailbox at msa.hinet.net>
Sent: Thursday, August 19, 2004 9:25 PM
Subject: Re: [ODE] dBodyGetRotation


> Hello Liu,
>
> if body rotates more than on one axis - then, as far as i know, it's
> impossible. Because inside matrix values of sin and cos of angles on
> different axis multiply. After that you couldn't take it from there...
>
> Thursday, August 19, 2004, 3:18:01 PM, you wrote:
>
> L> I create a body. I must get this body's rotation of x- , y-, z-axis.
> L> I use dBodyGetRotation get the matrix, but i must get the axis
> L> rotation, How should I do it ? thanks a lot ...
>
>
>
>
>
> --
> Best regards,
>  Pavel                            mailto:sagor at rostok-cd.kiev.ua
>