FGFS-4.1/OpenSceneGraph
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Ported following examples to osgViewer:

Browse Source 
osgparticleeffects
osgphotoalbum
osgpick
osgpoints
osgpointsprite
osgprecipitation
osgprerender
osgprerendercubemap
osgreflect
osgscalarbar
osgscribe
osgsequence
osgplanets
This commit is contained in:
Robert Osfield
2007-01-10 13:52:22 +00:00
parent c5082cb85c
commit c4279bd5f1
57 changed files with 290 additions and 883 deletions
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61
examples/osgpoints/osgpoints.cpp
View File

@@ -11,13 +11,15 @@
#include <osgDB/ReadFile>
#include <osgUtil/Optimizer>
#include <osgProducer/Viewer>
#include <osgViewer/Viewer>
#include <osg/Point>
#include <osg/BlendFunc>
#include <osg/Texture2D>
#include <osg/PointSprite>
#include <iostream>
class KeyboardEventHandler : public osgGA::GUIEventHandler
{
public:
@@ -109,13 +111,7 @@ int main( int argc, char **argv )
// 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;
bool shader = false;
while (arguments.read("--shader")) shader = true;
@@ -130,25 +126,12 @@ int main( int argc, char **argv )
bool usePointSprites = false;
while (arguments.read("--sprites")) { usePointSprites = true; };
// 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;
}
if (arguments.argc()<=1)
{
arguments.getApplicationUsage()->write(std::cout,osg::ApplicationUsage::COMMAND_LINE_OPTION);
return 1;
}
osg::Timer timer;
osg::Timer_t start_tick = timer.tick();
// read the scene from the list of file specified commandline args.
osg::ref_ptr<osg::Node> loadedModel = osgDB::readNodeFiles(arguments);
@@ -159,10 +142,6 @@ int main( int argc, char **argv )
return 1;
}
osg::Timer_t end_tick = timer.tick();
std::cout << "Time to load = "<<timer.delta_s(start_tick,end_tick)<<std::endl;
// optimize the scene graph, remove rendundent nodes and state etc.
osgUtil::Optimizer optimizer;
optimizer.optimize(loadedModel.get());
@@ -192,7 +171,7 @@ int main( int argc, char **argv )
// register the handler for modifying the point size
viewer.getEventHandlerList().push_front(new KeyboardEventHandler(viewer.getGlobalStateSet()));
viewer.addEventHandler(new KeyboardEventHandler(viewer.getCamera()->getOrCreateStateSet()));
if (shader)
@@ -231,34 +210,6 @@ int main( int argc, char **argv )
#endif
}
// 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();
}