FGFS-4.1/OpenSceneGraph
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Ported follow examples to osgViewer:

Browse Source 
osgshape
    osgsimplifier
    osgsimulation
    osgslice
    osgspacewarp
    osgspheresegment
    osgspotlight
    osgstereoimage
This commit is contained in:
Robert Osfield
2007-01-11 11:47:01 +00:00
parent 5ee30edbea
commit d6291a0ffc
32 changed files with 185 additions and 521 deletions
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85
examples/osgshape/osgshape.cpp
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@@ -3,7 +3,7 @@
#include <osg/Material>
#include <osg/Texture2D>
#include <osgProducer/Viewer>
#include <osgViewer/Viewer>
#include <osgDB/ReadFile>
@@ -12,7 +12,7 @@
// for the grid data..
#include "../osghangglide/terrain_coords.h"
osg::Geode* createShapes( char* img_filename )
osg::Geode* createShapes()
{
osg::Geode* geode = new osg::Geode();
@@ -21,8 +21,7 @@ osg::Geode* createShapes( char* img_filename )
// ---------------------------------------
osg::StateSet* stateset = new osg::StateSet();
if( ! img_filename ) img_filename = "Images/lz.rgb";
osg::Image* image = osgDB::readImageFile( img_filename );
osg::Image* image = osgDB::readImageFile( "Images/lz.rgb" );
if (image)
{
@@ -85,83 +84,13 @@ osg::Geode* createShapes( char* img_filename )
return geode;
}
int main( int argc, char **argv )
int main(int, char **)
{
// use an ArgumentParser object to manage the program arguments.
osg::ArgumentParser arguments(&argc,argv);
// set up the usage document, in case we need to print out how to use this program.
arguments.getApplicationUsage()->setDescription(arguments.getApplicationName()+" is the example which demonstrates the osg::Shape classes.");
arguments.getApplicationUsage()->setCommandLineUsage(arguments.getApplicationName()+" [options] [image_filename]");
arguments.getApplicationUsage()->addCommandLineOption("-h or --help","Display this information");
// construct the viewer.
osgProducer::Viewer viewer(arguments);
// set up the value with sensible default event handlers.
viewer.setUpViewer(osgProducer::Viewer::STANDARD_SETTINGS);
// get details on keyboard and mouse bindings used by the viewer.
viewer.getUsage(*arguments.getApplicationUsage());
// if user request help write it out to cout.
if (arguments.read("-h") || arguments.read("--help"))
{
arguments.getApplicationUsage()->write(std::cout);
return 1;
}
// any option left unread are converted into errors to write out later.
arguments.reportRemainingOptionsAsUnrecognized();
// report any errors if they have occured when parsing the program aguments.
if (arguments.errors())
{
arguments.writeErrorMessages(std::cout);
return 1;
}
char* img_filename = 0;
for( int pos = 1; pos < arguments.argc(); ++pos )
{
if( arguments.isString(pos) )
{
img_filename = arguments[pos];
break;
}
}
osg::Node* node = createShapes( img_filename );
osgViewer::Viewer viewer;
// add model to viewer.
viewer.setSceneData( node );
viewer.setSceneData( createShapes() );
// create the windows and run the threads.
viewer.realize();
while( !viewer.done() )
{
// wait for all cull and draw threads to complete.
viewer.sync();
// update the scene by traversing it with the the update visitor which will
// call all node update callbacks and animations.
viewer.update();
// fire off the cull and draw traversals of the scene.
viewer.frame();
}
// wait for all cull and draw threads to complete.
viewer.sync();
// run a clean up frame to delete all OpenGL objects.
viewer.cleanup_frame();
// wait for all the clean up frame to complete.
viewer.sync();
return 0;
return viewer.run();
}