Dave Akers (dla@sgi.com)
Thu, 30 Sep 1999 14:00:21 -0700
As you observe, the two methods give opposite directions.
voGeometryActions::findCameraPosition() will give you the look vector, while
voGeometryActions::findViewDirection() will give you the negative look
vector. Sorry about the confusion and inconsistency there (and the lack of
documentation!)
-Dave
Manfred Weiler wrote:
> Hi,
>
> I tried to determine the current viewing direction from
> OpenGL matrices.
> When trying both methods voGeometryActions::findCameraPosition and
> voGeometryActions::findViewDirection I noticed that the viewDir vector
> calculated was different with each method, to be exact the vectors
> have opposite directions. Is this a bug or do both methods have differnet
> semantics.
>
> Manfred.
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