コード例 #1
0
ファイル: FltExportVisitor.cpp プロジェクト: joevandyk/osg
void
FltExportVisitor::apply( osg::LOD& lodNode )
{
    _firstNode = false;
    ScopedStatePushPop guard( this, lodNode.getStateSet() );

    // LOD center - same for all children
    osg::Vec3d center = lodNode.getCenter();

    // Iterate children of the LOD and write a separate LOD record for each,
    // with that child's individual switchIn and switchOut properties
    for ( size_t i = 0; i < lodNode.getNumChildren(); ++i )
    {
        osg::Node* lodChild = lodNode.getChild(i);

        // Switch-in/switch-out distances may vary per child
        double switchInDist = lodNode.getMaxRange(i);
        double switchOutDist = lodNode.getMinRange(i);

        writeLevelOfDetail( lodNode, center, switchInDist, switchOutDist);
        writeMatrix( lodNode.getUserData() );
        writeComment( lodNode );

        // Traverse each child of the LOD
        writePushTraverseWritePop( *lodChild );
    }

}
コード例 #2
0
ファイル: LOD.cpp プロジェクト: 151706061/OpenSceneGraph
static bool writeUserCenter( osgDB::OutputStream& os, const osg::LOD& node )
{
    os << osg::Vec3d(node.getCenter()) << (double)node.getRadius() << std::endl;
    return true;
}
コード例 #3
0
ファイル: daeWSceneObjects.cpp プロジェクト: aalex/osg
void daeWriter::apply( osg::LOD &node )
{
    debugPrint( node );
    updateCurrentDaeNode();
    lastDepth = _nodePath.size();
    currentNode = daeSafeCast< domNode >(currentNode->add( COLLADA_ELEMENT_NODE ) );
    currentNode->setId(getNodeName(node,"LOD").c_str());

    if (writeExtras)
    {
        // Store LOD data as extra "LOD" data in the "OpenSceneGraph" technique
        // Adds the following to a node

        //<extra type="LOD">
        //    <technique profile="OpenSceneGraph">
        //        <Center>1 2 3</Center> (optional )
        //        <Radius>-1</Radius> (required if Center is available)
        //        <RangeMode>0</RangeMode>
        //        <RangeList>
        //            <MinMax>0 300</MinMax>
        //            <MinMax>300 600</MinMax>
        //        </RangeList>
        //    </technique>
        //</extra>

        domExtra *extra = daeSafeCast<domExtra>(currentNode->add( COLLADA_ELEMENT_EXTRA ));
        extra->setType("LOD");
        domTechnique *teq = daeSafeCast<domTechnique>(extra->add( COLLADA_ELEMENT_TECHNIQUE ) );
        teq->setProfile( "OpenSceneGraph" );

        if (node.getCenterMode()==osg::LOD::USER_DEFINED_CENTER)
        {
            domAny *center = (domAny*)teq->add("Center");
            center->setValue(toString(node.getCenter()).c_str());

            domAny *radius = (domAny*)teq->add("Radius");
            radius->setValue(toString<osg::LOD::value_type>(node.getRadius()).c_str());
        }

        domAny *rangeMode = (domAny*)teq->add("RangeMode");
        rangeMode->setValue(toString<osg::LOD::RangeMode>(node.getRangeMode()).c_str());

        domAny *valueLists = (domAny*)teq->add("RangeList");

        unsigned int pos = 0;
        const osg::LOD::RangeList& rangelist = node.getRangeList();
        for(osg::LOD::RangeList::const_iterator sitr=rangelist.begin();
            sitr!=rangelist.end();
            ++sitr,++pos)
        {
            domAny *valueList = (domAny*)valueLists->add("MinMax");
            std::stringstream fw;
            fw << sitr->first << " " << sitr->second;
            valueList->setValue(fw.str().c_str());
        }
    }
        
    writeNodeExtra(node);

    // Process all children
    traverse( node );
}