osg根据节点名称返回节点_osg::node *

节点访问器

#pragma once
#include<Windows.h>
#include<osg/Node>
#include<osgDB/ReadFile>
#include<osg/MatrixTransform>
#include<iostream>
 
using namespace std;
 
class findNode : public osg::NodeVisitor
{
public:
	findNode() :osg::NodeVisitor(TRAVERSE_ALL_CHILDREN)
	{
 
	}
 
	void setFindName(const std::string& name)
	{
		m_name = name;
	}
 
	virtual void apply(osg::Node& searchNode)
	{
		if (searchNode.getName() == m_name)
		{
			std::cout << "The Node named of: " << m_name << " is found" << std::endl;
			m_NodeToFind = &searchNode;
			return;
		}
		traverse(searchNode);
	}
 
	//返回查询到的节点指针
	osg::Node* getFindNode() {return m_NodeToFind;};
 
public:
	std::string m_name;
	osg::Node* m_NodeToFind; //查找得到的节点
 
};

访问代码

findNode f;
f.setFindName("cessna");
root->accept(f);
osg::MatrixTransform*kk = dynamic_cast<osg::MatrixTransform*>(f.getFindNode());
std::cout << "获取模型字节点名称：" << kk->getChild(0)->asGroup()->getName();