dfb21cb81a
osggeodemo
osggeometry
osghud
osgimpostor
osgkeyboard
osglauncher
osglight
osglightpoint
osglogicop
osglogo
osgmovie
osgmultiplecameras
osgmultitexture
osgoccluder
osgparametric
osgparticle
88 lines
2.5 KiB
C++
88 lines
2.5 KiB
C++
#include <osgViewer/Viewer>
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#include <osg/Notify>
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#include <osg/Texture2D>
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#include <osg/TexEnv>
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#include <osg/TexGen>
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#include <osgDB/Registry>
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#include <osgDB/ReadFile>
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#include <osgGA/TrackballManipulator>
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#include <osgGA/FlightManipulator>
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#include <osgGA/DriveManipulator>
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#include <osgUtil/Optimizer>
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#include <iostream>
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int main( int argc, char **argv )
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{
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// use an ArgumentParser object to manage the program arguments.
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osg::ArgumentParser arguments(&argc,argv);
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// construct the viewer.
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osgViewer::Viewer viewer;
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// load the nodes from the commandline arguments.
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osg::Node* rootnode = osgDB::readNodeFiles(arguments);
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if (!rootnode)
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{
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osg::notify(osg::NOTICE)<<"Please specify and model filename on the command line."<<std::endl;
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return 1;
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}
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osg::Image* image = osgDB::readImageFile("Images/reflect.rgb");
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if (image)
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{
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osg::Texture2D* texture = new osg::Texture2D;
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texture->setImage(image);
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osg::TexGen* texgen = new osg::TexGen;
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texgen->setMode(osg::TexGen::SPHERE_MAP);
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osg::TexEnv* texenv = new osg::TexEnv;
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texenv->setMode(osg::TexEnv::BLEND);
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texenv->setColor(osg::Vec4(0.3f,0.3f,0.3f,0.3f));
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osg::StateSet* stateset = new osg::StateSet;
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stateset->setTextureAttributeAndModes(1,texture,osg::StateAttribute::ON);
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stateset->setTextureAttributeAndModes(1,texgen,osg::StateAttribute::ON);
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stateset->setTextureAttribute(1,texenv);
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rootnode->setStateSet(stateset);
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}
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else
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{
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osg::notify(osg::NOTICE)<<"unable to load reflect map, model will not be mutlitextured"<<std::endl;
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}
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// run optimization over the scene graph
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osgUtil::Optimizer optimzer;
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optimzer.optimize(rootnode);
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// add a viewport to the viewer and attach the scene graph.
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viewer.setSceneData( rootnode );
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// create the windows and run the threads.
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viewer.realize();
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for(unsigned int contextID = 0;
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contextID<osg::DisplaySettings::instance()->getMaxNumberOfGraphicsContexts();
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++contextID)
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{
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osg::Texture::Extensions* textExt = osg::Texture::getExtensions(contextID,false);
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if (textExt)
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{
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if (!textExt->isMultiTexturingSupported())
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{
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std::cout<<"Warning: multi-texturing not supported by OpenGL drivers, unable to run application."<<std::endl;
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return 1;
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}
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}
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}
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return viewer.run();
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}
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