創建讀取文件回調類
//.h
class CReadFileCallbackEx : public osgDB::ReadFileCallback
{
public:
CReadFileCallbackEx();
virtual ~CReadFileCallbackEx();
virtual osgDB::ReaderWriter::ReadResult readNode(const std::string& filename, const osgDB::ReaderWriter::Options* options);
};
//.cpp
osgDB::ReaderWriter::ReadResult CReadFileCallbackEx::readNode( const std::string& filename, const osgDB::ReaderWriter::Options* options )
{
osgDB::ReaderWriter::ReadResult rs = osgDB::ReadFileCallback::readNode(filename,options);
if (rs.validNode())
{
//處理數據節點,可以設置顯示顏色等參數
osg::Node* pNode = rs.getNode();
}
return rs;
}