C++ (Cpp) OcclusionQueryNode::getChildの例

コード例 #1

ファイル: osgocclusionquery.cpp プロジェクト: joevandyk/osg

void
RemoveOcclusionQueryVisitor::apply( osg::OcclusionQueryNode& oqn )
{
    if (oqn.getNumParents() == 0)
    {
        // Even if this is an OQN, can't delete it because it's the root.
        traverse( oqn );
        return;
    }

    osg::ref_ptr<osg::OcclusionQueryNode> oqnPtr = &oqn;

    unsigned int np = oqn.getNumParents();
    while (np--)
    {
        osg::Group* parent = dynamic_cast<osg::Group*>( oqn.getParent( np ) );
        if (parent != NULL)
        {
            // Remove OQN from parent.
            parent->removeChild( oqnPtr.get() );

            // Add OQN's children to parent.
            unsigned int nc = oqn.getNumChildren();
            while (nc--)
                parent->addChild( oqn.getChild( nc ) );
        }
    }
}