FGFS-4.1/OpenSceneGraph
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Added commandline arguments for controlling number of cameras through to the windowing library to use.

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This commit is contained in:
Robert Osfield
2005-09-02 20:06:11 +00:00
parent 4167a3f980
commit 2ea5d71d82
1 changed files with 28 additions and 19 deletions
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47
examples/osgcamera/osgcamera.cpp
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@@ -120,20 +120,40 @@ struct DrawOperation : public osg::GraphicsThread::Operation
//
int main( int argc, char **argv )
{
// use an ArgumentParser object to manage the program arguments.
osg::ArgumentParser arguments(&argc,argv);
if (argc<2)
{
std::cout << argv[0] <<": requires filename argument." << std::endl;
return 1;
}
std::string windowingLibrary("osgProducer");
while (arguments.read("--windowing",windowingLibrary)) {}
// load the osgProducer library manually.
osg::ref_ptr<osgDB::DynamicLibrary> osgProducerLib =
osgDB::DynamicLibrary::loadLibrary(osgDB::Registry::instance()->createLibraryNameForNodeKit("osgProducer"));
osg::ref_ptr<osgDB::DynamicLibrary> windowingLib =
osgDB::DynamicLibrary::loadLibrary(osgDB::Registry::instance()->createLibraryNameForNodeKit(windowingLibrary));
if (!windowingLib)
{
std::cout<<"Error: failed to loading windowing library: "<<windowingLibrary<<std::endl;
}
unsigned int numberCameras = 3;
while (arguments.read("--cameras",numberCameras)) {}
unsigned int xpos = 0;
unsigned int ypos = 400;
unsigned int width = 400;
unsigned int height = 400;
while (arguments.read("--xpos",xpos)) {}
while (arguments.read("--ypos",ypos)) {}
while (arguments.read("--height",height)) {}
while (arguments.read("--width",width)) {}
unsigned int maxNumFrames = 1000;
while (arguments.read("--max-num-frames",maxNumFrames)) {}
// load the scene.
osg::ref_ptr<osg::Node> loadedModel = osgDB::readNodeFile(argv[1]);
osg::ref_ptr<osg::Node> loadedModel = osgDB::readNodeFiles(arguments);
if (!loadedModel)
{
std::cout << argv[0] <<": No data loaded." << std::endl;
@@ -148,13 +168,6 @@ int main( int argc, char **argv )
osgUtil::UpdateVisitor updateVisitor;
updateVisitor.setFrameStamp(frameStamp.get());
unsigned int numberCameras = 3;
unsigned int xpos = 0;
unsigned int ypos = 400;
unsigned int width = 400;
unsigned int height = 400;
typedef std::list< osg::ref_ptr<osg::CameraNode> > CameraList;
typedef std::set< osg::GraphicsContext* > GraphicsContextSet;
@@ -309,7 +322,6 @@ int main( int argc, char **argv )
osg::Timer_t previous_tick = start_tick;
bool done = false;
unsigned int maxNumFrames = 50;
// main loop - update scene graph, dispatch frame, wait for frame done.
while( !done && frameNum<maxNumFrames)
@@ -343,9 +355,6 @@ int main( int argc, char **argv )
}
}
// delete the cameras, associated contexts and threads.
cameraList.clear();
std::cout<<"Exiting application"<<std::endl;