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本帖最后由 tnyysnow 于 2013-10-30 17:32 编辑
初学者,求教各位大神一个问题
使用PositionAttitudeTransform后没有效果啊。
程序如下:
#include <Windows.h>
#include <osgViewer/Viewer>
#include <osg/Node>
#include <osg/Geode>
#include <osg/Group>
#include <osgDB/ReadFile>
#include <osgDB/WriteFile>
#include <osgUtil/Optimizer>
#include <osg/MatrixTransform>
#include <osg/ShapeDrawable>
#include <osg/PositionAttitudeTransform>
using namespace std;
int _tmain(int argc, char* argv[])
{
osg::ref_ptr<osgViewer::Viewer> viewer = new osgViewer::Viewer();
osg::ref_ptr<osg::Group> root = new osg::Group();
osg::ref_ptr<osg::Geode> geode = new osg::Geode();
osg::ref_ptr<osg::Geometry> geom = new osg::Geometry();
osg::ref_ptr<osg::Vec3Array> v = new osg::Vec3Array();
v->push_back(osg::Vec3(0.0f, 0.0f, 0.0f));
v->push_back(osg::Vec3(1.0f, 0.0f, 0.0f));
v->push_back(osg::Vec3(1.0f, 0.0f, 1.0f));
v->push_back(osg::Vec3(0.0f, 0.0f, 1.0f));
geom->setVertexArray(v.get());
//初始化位置变换节点
osg:ositionAttitudeTransform* pc1 = new osg::PositionAttitudeTransform();
// 初始化一个Vec3实例,用于改变模型在场景中的位置
osg::Vec3 pyramidTwoPosition(15,0,0);
pc1->setPosition( pyramidTwoPosition );
geom->addPrimitiveSet(new osg:rawArrays(osg::PrimitiveSet:UADS,0,4));
geode->addDrawable(geom.get());
root->addChild(pc1);
pc1->addChild(geode);
osgUtil::Optimizer optimizer;
optimizer.optimize(root.get());
viewer->setSceneData(root.get());
viewer->realize();
viewer->run();
return 0;
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