Hi Miguel, The ShapeDrawable is a very simply convenience class, it only supports assign texture coordinates to the texture unit 0.
If you want more complex geometry management you'll need to create the geometry yourself using osg::Geometry. See the osggeometry example for details. Robert. On Fri, Oct 23, 2009 at 10:27 AM, Miguel Lokida <[email protected]> wrote: > Hi, > > For a given texture, I want to use a specific unit texture. > But with the given example code it does not work. > When I set unitTexture = 0 it works. But when I set unitTexture =1 I have a > deep green color affected to the cylinder. > > What 's wrong with my code. For me, it seems that everything is ok. > > > Code: > > #include <osg/Geode> > #include <osg/Group> > #include <osg/ShapeDrawable> > #include <osg/Texture2D> > > #include <osgDB/ReadFile> > > #include <osgViewer/Viewer> > > #include <iostream> > > > osg::Node* addGeometry() > { > osg::Group* rootnode = new osg::Group; > > osg::ref_ptr<osg::Cylinder> cyl = new osg::Cylinder; > > cyl->setCenter(osg::Vec3(0,0,0)); > cyl->setRadius(10); > cyl->setHeight(1); > > osg::ref_ptr<osg::ShapeDrawable> sd = new > osg::ShapeDrawable(cyl.get()); > > osg::ref_ptr<osg::Geode> geode = new osg::Geode(); > geode->addDrawable(sd.get()); > > //texture > osg::ref_ptr<osg::Texture2D> texture = new osg::Texture2D; > texture->setDataVariance(osg::Object::DYNAMIC); > > // load Image > osg::ref_ptr<osg::Image> image = osgDB::readImageFile("grid.jpg"); > > if (image->valid()) > { > texture->setImage(image.get()); > > osg::StateSet* stateset = geode->getOrCreateStateSet(); > > unsigned int unitTexture = 1; > > stateset->setTextureAttribute(unitTexture, texture.get()); > stateset->setTextureMode(unitTexture, GL_TEXTURE_2D, > osg::StateAttribute::ON); > } > > rootnode->addChild(geode.get()); > > return rootnode; > } > > int main( int argc, char **argv ) > { > osg::Node* rootnode = addGeometry(); > > osgViewer::Viewer viewer; > > // set the scene to render > viewer.setSceneData(rootnode); > > return viewer.run(); > } > > > > > > > Thank you > > ------------------ > Read this topic online here: > http://forum.openscenegraph.org/viewtopic.php?p=18598#18598 > > > > > > _______________________________________________ > osg-users mailing list > [email protected] > http://lists.openscenegraph.org/listinfo.cgi/osg-users-openscenegraph.org > _______________________________________________ osg-users mailing list [email protected] http://lists.openscenegraph.org/listinfo.cgi/osg-users-openscenegraph.org
