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本帖最后由 knightlixiao 于 2012-5-10 08:52 编辑
下面是我写得一段很简单的程序,想保存一下场景,代码如下
osg::ref_ptr<osg::Group> mp_Root = new osg::Group;
mp_Root->setName("mpRoot");
osg::ref_ptr<osg::Group> mp_scence = new osg::Group;
mp_scence->setName("scence");
osg::ref_ptr<osg::Group> mp_object = new osg::Group;
mp_object->setName("object");
mp_Root->addChild(mp_scence.get());
mp_Root->addChild(mp_object.get());
mp_scence->addChild(osgDB::readNodeFile("osgcool.osg"));
osg::ref_ptr<osg::MatrixTransform> MT1 = new osg::MatrixTransform;
MT1->setName("mt1");
MT1->setMatrix(osg::Matrix::translate(10.0,0.0,0.0));
MT1->addChild(osgDB::readNodeFile("cow.osg"));
osg::ref_ptr<osg::MatrixTransform> MT2 = new osg::MatrixTransform;
MT2->setName("mt2");
MT2->setMatrix(osg::Matrix::translate(20.0,0.0,0.0));
MT2->addChild(osgDB::readNodeFile("glider.osg"));
mp_object->addChild(MT1.get());
mp_object->addChild(MT2.get());
osgDB::writeNodeFile(*(mp_object.get()),"object2.osg",osgDB::Registry::instance()->getOptions()); osgDB::writeNodeFile(*(mp_scence.get()),"scence2.osg",osgDB::Registry::instance()->getOptions());
osgViewer::Viewer viewer;
viewer.setSceneData(mp_Root.get());
viewer.realize();
viewer.run();
return 0;
我是想把两个节点mp_scence 和mp_object 分开保存。结果程序编译通过,但是运行到红色代码时总是出错,
错误如下:Unhandled exception at 0x003a5876 in test.exe: 0xC0000005: Access violation reading location 0x00000008.
当我注释掉红色代码,可以正常运行。如果注释绿色代码也出现同样的错误。不知道错误在什么地方,请教一下大家。谢谢! |
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