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Updates to the osgpick code.

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Updates to osgGA::CameraManipulors.
This commit is contained in:
Robert Osfield
2003-04-14 15:44:30 +00:00
parent b66f464a1b
commit 5df7118d6d
10 changed files with 134 additions and 111 deletions
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30
examples/osgpick/osgpick.cpp
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@@ -81,18 +81,14 @@ void PickHandler::pick(const osgGA::GUIEventAdapter& ea)
{
float x=ea.getXnormalized();
float y=ea.getYnormalized();
osgUtil::PickVisitor iv;
const float *matView;
const float *matProj;
Producer::Camera *cmm=_cg->getCamera(0);
matView=cmm->getViewMatrix();
matProj=cmm->getProjectionMatrix();
osg::Matrix vum;
vum.set(matView);
vum.postMult(osg::Matrix(matProj));
osg::Matrix windowmatrix=osg::Matrix::translate(1.0f,1.0f,1.0f)*
osg::Matrix::scale(0.5f,0.5f,0.5f);
vum.postMult(windowmatrix);
osg::Matrix vum(osg::Matrix(cmm->getViewMatrix()) *
osg::Matrix(cmm->getProjectionMatrix())/* *
osg::Matrix::translate(1.0f,1.0f,1.0f) *
osg::Matrix::scale(0.5f,0.5f,0.5f)*/);
osgUtil::PickVisitor iv;
osgUtil::IntersectVisitor::HitList& hlist=iv.getHits(scene, vum, x,y);
std::string gdlist="";
if (iv.hits())
@@ -105,8 +101,16 @@ void PickHandler::pick(const osgGA::GUIEventAdapter& ea)
//osg::Vec3 in = hitr->getLocalIntersectNormal();
osg::Geode* geode = hitr->_geode.get();
// the geodes are identified by name.
if (geode) {
gdlist=gdlist+" "+geode->getName();
if (geode)
{
if (!geode->getName().empty())
{
gdlist=gdlist+" "+geode->getName();
}
else
{
gdlist=gdlist+" geode";
}
}
}
}