try this:
- first create a direction vector (for example 0, 0, -1).
- get the Transform3D.
- invert the Transform3D.
- use Transform3D.transform(vector) - the resulting vector should point in the
right direction.
This should also work with a point.
Hope this helps,
Chris
Sterling Wright wrote:
> Hello all,
> I would like to know if their is a method for getting 2 point3d and a
> vector from a Transform3D? ( a get for the lookAt method in the Trans3D
> class) I was thinking about using the transform(Point3d point) method but I
> don't know how they are used.
> I am trying to create a camera class where I can specify a position and
> lookAt in to a Transform3D(which i can do) and read them back (can't do).
> also if someone could point me to computer graphics or mathematics that
> explain how to do this would be very helpful
>
> Thanks
> Sterling Wright
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