yade-users team mailing list archive

[Jerome Duriez <duriez@xxxxxxxxxxxxxxx>]

Hello everybody. I am focusing about the "RotationEngine" (in 
pkg/common/Engine/DeusExMachina) and trying to understand well what it 
does, so I have for instance one simple question :

- which is the purpose of the line 
"/rb->se3.orientation.ToAxisAngle(ax,an);/" ? I think I understand what 
it does : it affects to the 3-real vector "/ax/" and the real "/an"/ 
(both declared few lines above) respectively the axis and angle of the 
rotation corresponding to the quaternion "/orientation/".
But why ?
These "/an/" and "/ax/" seem indeed never to be used after that...
Thanks

Jerome

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