virtualvoidoperator()(osg::Node* node, osg::NodeVisitor*nv){ osg::PositionAttitudeTransform* pat =dynamic_cast<osg::PositionAttitudeTransform*>(node);if(pat){doubleangle =0.0; osg::Vec3 axis; pat->getAttitude().getRotate(angle, axis); std::cout<<"Node is rotate around the axis("<< ax...
osg::Node* child = dynamic_cast<osg::Node*>( is.readObject() ); if ( child ) node.addChild( child ); } is >> osgDB::END_BRACKET; return true; OutputStream接受<<重载操作,因此需要对类定义writeObject(),writeImage(),writePrimitiveSet()和writeArray()。同样InputStream重载>>需要对类定义rea...
macOS Sierra 10.12.4 (16E195) errors: osgearth_viewerd[69855:10712897] dynamic_cast error 1: Both of the following type_info's should have public visibility. At least one of them is hidden. NSt3__115basic_streambufIcNS_11char_traitsIcEEEE, N3osg18NotifyStreamBufferE. Error reading file o...
{ osg::Node* child = dynamic_cast<osg::Node*>( is.readObject() ); if ( child ) node.addChild( child ); } is >> osgDB::END_BRACKET; return true; 1. 2. 3. 4. 5. 6. 7. 8. OutputStream 接受<< 重载操作,因此需要对类定义 writeObject(), writeImage(), writePrimitiveSet() 和 ...
{ osgUtil::CullVisitor* cv = dynamic_cast<osgUtil::CullVisitor*>(nv); if (cv) { // 假设黄道赤道交角23度 float sunz = sinf(23 * 3.14 / 180); float suny = cosf(23 * 3.14 / 180); osg::Vec4 sunPosNormalized = osg::Vec4(0.0, suny, sunz, 0); // Vec4.w设置为0用于阻止...
osg::Geode* geode=dynamic_cast<osg::Geode *>(result.nodePath.back()); if (geode) geode->removeDrawable(result.drawable); } } int test; }; /** * 节点回调类,每一帧都会执行 */ class ObserveShapeCallback : public osg::NodeCallback{ ...
{osg::GraphicsContext*context=dynamic_cast<osg::GraphicsContext*>(object);if(!context)return;if(!ImGui_ImplOpenGL3_Init()){std::cout<<"ImGui_ImplOpenGL3_Init() failed\n";}}};//IMGUI控件绘制类classMyIMGuiHandler:publicOsgImGuiHandler{public:MyIMGuiHandler(){}protected:voiddrawUi()...
9//读取带动画的节点 10 osg::Node *animationNode = osgDB::readNodeFile("demo.FBX");11//获得节点的动画列表 12 osgAnimation::BasicAnimationManager* anim = 13 dynamic_cast<osgAnimation::BasicAnimationManager*>(animationNode->getUpdateCallback());14const osgAnimation::AnimationList& list...
OSG漫游到指定坐标点位置 OSG中从当前场景位置漫游到指定点坐标位置，osg中场景的视⼝状态包括如下参数：1、视点的位置 2、参考点的位置，该点通常为场景中的中⼼轴上的点 3、视点向上的⽅向向量 ( const osg::Vec3d& eye, const osg::Vec3d& center, const osg::Vec3d& up );通过这三个参数就可以...
dynamic_cast<tankDataType*> (node->getUserData() ); if(tankData) { tankData->updateTurretRotation(); tankData->updateGunElevation(); } traverse(node, nv); } }; 下一步的工作是“安装”回调:将其关联给我们要修改的坦克节点,以实现每帧的更新函数执行。因此,我们首先要保证坦克节点的用户数据(...