FGFS-4.1/OpenSceneGraph
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First cut at generating the ShadowVolumeGeometry

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This commit is contained in:
Robert Osfield
2006-11-23 16:55:46 +00:00
parent 156cf1e97f
commit e7ef0ca846
3 changed files with 220 additions and 13 deletions
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16
examples/osgshadow/osgshadow.cpp
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@@ -53,15 +53,27 @@ int main(int argc, char** argv)
return 1;
}
const osg::BoundingSphere& bs = model->getBound();
osg::Plane basePlane(0.0, 0.0, 1.0, -( bs.center().z() - bs.radius() ) );
osg::ref_ptr<osg::Geode> geode = new osg::Geode;
osg::ref_ptr<osgShadow::OccluderGeometry> occluder = new osgShadow::OccluderGeometry;
occluder->computeOccluderGeometry(model.get());
occluder->getBoundingPolytope().add(basePlane);
//geode->addDrawable(occluder.get());
geode->addDrawable(occluder.get());
osg::ref_ptr<osgShadow::ShadowVolumeGeometry> shadowVolume = new osgShadow::ShadowVolumeGeometry;
occluder->comptueShadowVolumeGeometry(osg::Vec4(0.0f,-.5f,-1.0f,0.0f), *shadowVolume);
geode->addDrawable(shadowVolume.get());
viewer.setSceneData(geode.get());
osg::ref_ptr<osg::Group> group = new osg::Group;
group->addChild(model.get());
group->addChild(geode.get());
viewer.setSceneData(group.get());
// create the windows and run the threads.
viewer.realize();