[Papervision3D] [PAPERVISION 3D] - relative rotation- world/ local-rotation

[Ben Chang]

http://en.wikipedia.org/wiki/Quaternion


2007/6/30, xehod at earthlink.net <xehod at earthlink.net>:
>
> Hello,
>
> I am running into this problem now as well and was curious if anyone has
> found a work-around on this?
>
> Problem is this:
> I import an .ase jet plane.
> Before I do anything, if I rotate the rotationZ axis, the wings will rise
> and dip left and right (still relative to the model).
> Now, I rotate it on its rotationY axis 45 degrees. (jet is now pointing
> right).
> At this point now, if i rotate the rotationZ axis, the jets nose will rise
> and lower, not the wings (relative to the world). This is a problem.
> Anyone have any sort of work around on this?
>
> Thanks much!
> chris
>
>
> -----------------
>
> On 6/5/07, o renken
>
> ive got one question out of scratch. its a thing i wondering about a time.
>
>
> did you realized that the primitives we create / colladas we import
> has always an absolute (world) rotation-axe ?
> e.g. : if we rotate it around is y-axe then around the z-axe we dont
> have an relative rotation around the objects OWN z-axe after rotating
> y-axe.
>
> you know what i mean? i wonder if its possible that a created
> 3D-object in PV3D could hold/keep its OWN (relative) axes, so the
> z-axe is always the primitives z-axe.
>
> how could this be fixed? also i dont know the right terms, so correct me
>
> olee
>
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