Hi Ulrich and others.
I managed to set up tank rotation according to terrain , but tank is
rotating wrong ( opposite ) to direction vector.
So it basically lift up front side while travelling forward.
..
terrainHeight = heightTestResults.getWorldIntersectPoint();
terrainNormal = heightTestResults.getWorldIntersectNormal();
tankXform->setPosition(osg::Vec3(tankPosition.x(),
tankPosition.y(),terrainHeight.z()));
osg::Quat rotate;
rotate.makeRotate(terrainNormal, osg::Vec3f(0,0,1));
tankXform->setAttitude(rotate);
Code pasted here: http://cpp.enisoc.com/pastebin/7383
Thanks,
Gab-
>
> [EMAIL PROTECTED] wrote:
> > terrainNormal = heightTestResults.getWorldIntersectNormal();
> > angle = terrainNormal.y();
> > tankXform->setAttitude(osg::Quat(osg::DegreesToRadians(angle),
> > osg::Vec3(0,0,1) ) );
> >
> > Maybe someone spots an error ?
>
> It's unusual to use the y component of the normal as an angle...
> /ulrich
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