Hi Robert,
On Wed, Oct 19, 2011 at 8:42 PM, Robert Kern <[email protected]> wrote:
> I have a positionAttitudeTransform node that I've put an animation path
> callback function on. As the object is moving I need to know its position. I
> can see my object moving in my scene however when I call
> positionAttitudeTransform::getPosition() it always returns the coordinates
> (0,0,0). How can I get the position of my object?
The getPosition() should work fine as the AnimationPathCallback
explictly sets this, the code from src/osg/AnimationPathCallback.cpp
that does the updating is:
virtual void apply(PositionAttitudeTransform& pat)
{
if (_useInverseMatrix)
{
Matrix matrix;
_cp.getInverse(matrix);
pat.setPosition(matrix.getTrans());
pat.setAttitude(_cp.getRotation().inverse());
pat.setScale(osg::Vec3(1.0f/_cp.getScale().x(),1.0f/_cp.getScale().y(),1.0f/_cp.getScale().z()));
pat.setPivotPoint(_pivotPoint);
}
else
{
pat.setPosition(_cp.getPosition());
pat.setAttitude(_cp.getRotation());
pat.setScale(_cp.getScale());
pat.setPivotPoint(_pivotPoint);
}
}
So if the object is animating correctly then the Position will be set.
So if you aren't see any change I would recommend double checking
that you are reading the correct node, or adding setting a break point
into the AnimationPathCallback::apply(..) method to double check that
running correctly.
Robert.
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