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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2
examples/osgsimplifier/GNUmakefile
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@@ -4,7 +4,7 @@ include $(TOPDIR)/Make/makedefs
CXXFILES =\
osgsimplifier.cpp\
LIBS += -losgProducer -lProducer -losgText -losgGA -losgDB -losgUtil -losg $(GL_LIBS) $(X_LIBS) $(OTHER_LIBS)
LIBS += -losgViewer -losgText -losgGA -losgDB -losgUtil -losg $(GL_LIBS) $(X_LIBS) $(OTHER_LIBS)
INSTFILES = \
$(CXXFILES)\

59
examples/osgsimplifier/osgsimplifier.cpp
View File

@@ -12,8 +12,9 @@
#include <osgDB/ReadFile>
#include <osgUtil/Optimizer>
#include <osgUtil/Simplifier>
#include <osgProducer/Viewer>
#include <osgViewer/Viewer>
#include <osgGA/TrackballManipulator>
#include <iostream>
class KeyboardEventHandler : public osgGA::GUIEventHandler
{
@@ -71,13 +72,7 @@ int main( int argc, char **argv )
float maxError = 4.0f;
// 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());
osgViewer::Viewer viewer;
// read the sample ratio if one is supplied
while (arguments.read("--ratio",sampleRatio)) {}
@@ -90,21 +85,12 @@ int main( int argc, char **argv )
return 1;
}
// report any errors if they have occured when parsing the program aguments.
if (arguments.errors())
{
arguments.writeErrorMessages(std::cout);
return 1;
}
if (arguments.argc()<=1)
{
arguments.getApplicationUsage()->write(std::cout,osg::ApplicationUsage::COMMAND_LINE_OPTION);
return 1;
}
osg::Timer_t start_tick = osg::Timer::instance()->tick();
// read the scene from the list of file specified commandline args.
osg::ref_ptr<osg::Node> loadedModel = osgDB::readNodeFiles(arguments);
@@ -114,45 +100,27 @@ int main( int argc, char **argv )
std::cout << arguments.getApplicationName() <<": No data loaded" << std::endl;
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);
}
osg::Timer_t end_tick = osg::Timer::instance()->tick();
std::cout << "Time to load = "<<osg::Timer::instance()->delta_s(start_tick,end_tick)<<std::endl;
//loadedModel->accept(simplifier);
unsigned int keyFlag = 0;
viewer.getEventHandlerList().push_front(new KeyboardEventHandler(keyFlag));
viewer.addEventHandler(new KeyboardEventHandler(keyFlag));
// set the scene to render
viewer.setSceneData(loadedModel.get());
viewer.setCameraManipulator(new osgGA::TrackballManipulator());
// create the windows and run the threads.
viewer.realize();
float multiplier = 0.99f;
float multiplier = 0.8f;
float minRatio = 0.001f;
float ratio = sampleRatio;
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();
@@ -178,15 +146,6 @@ int main( int argc, char **argv )
}
}
// 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;
}