Ok, I did that allready in
class updateTankPosCallback : public osg::NodeCallback
but it didn't work using:
terrainNormal = heightTestResults.getWorldIntersectNormal();
angle = terrainNormal.y();
tankXform->setAttitude(osg::Quat(osg::DegreesToRadians(angle),
osg::Vec3(0,0,1) ) );
Maybe someone spots an error ?
http://gabdab.altervista.org/varie/collision.cpp
Thanks
> [EMAIL PROTECTED] wrote:
> > Thanks Ulrich,
> > that helps.
> > My problem now is how to find the terrain normal , any hint ?
>
> That depends greatly on the way your terrain is stored. If you have a
> mesh/geometry you could use the IntersectVisitor and shoot straight down
> from your current position. This will give you the intersection point
> and the normal at that point.
>
> /ulrich
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