FGFS-4.1/OpenSceneGraph
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Removed osgsimple example

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This commit is contained in:
Robert Osfield
2007-06-03 09:11:41 +00:00
parent e9258849c3
commit 089b9dbd88
3 changed files with 0 additions and 125 deletions
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1
examples/CMakeLists.txt
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@@ -71,7 +71,6 @@ ADD_SUBDIRECTORY(osgshaderterrain)
ADD_SUBDIRECTORY(osgshadowtexture)
ADD_SUBDIRECTORY(osgshadow)
ADD_SUBDIRECTORY(osgshape)
ADD_SUBDIRECTORY(osgsimple)
ADD_SUBDIRECTORY(osgsimplifier)
ADD_SUBDIRECTORY(osgsimulation)
ADD_SUBDIRECTORY(osgterrain)

6
examples/osgsimple/CMakeLists.txt
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@@ -1,6 +0,0 @@
#this file is automatically generated
SET(TARGET_SRC osgsimple.cpp )
#### end var setup ###
SETUP_EXAMPLE(osgsimple)

118
examples/osgsimple/osgsimple.cpp
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@@ -1,118 +0,0 @@
// C++ source file - (C) 2003 Robert Osfield, released under the OSGPL.
//
// Simple example of use of osg::GraphicsContext to create an OpenGL
// graphics window, and use the SimpleViewer for OSG rendering.
#include <osgUtil/SceneView>
#include <osgDB/ReadFile>
#include <osgViewer/SimpleViewer>
#include <osgViewer/GraphicsWindow>
#include <iostream>
class ExitHandler : public osgGA::GUIEventHandler
{
public:
ExitHandler():
_done(false) {}
bool done() const { return _done; }
bool handle(const osgGA::GUIEventAdapter& ea, osgGA::GUIActionAdapter&)
{
switch(ea.getEventType())
{
case(osgGA::GUIEventAdapter::KEYUP):
{
if (ea.getKey()==osgGA::GUIEventAdapter::KEY_Escape)
{
_done = true;
}
return false;
}
case(osgGA::GUIEventAdapter::CLOSE_WINDOW):
case(osgGA::GUIEventAdapter::QUIT_APPLICATION):
{
_done = true;
}
default: break;
}
return false;
}
bool _done;
};
int main( int argc, char **argv )
{
if (argc<2)
{
std::cout << argv[0] <<": requires filename argument." << std::endl;
return 1;
}
// load the scene.
osg::ref_ptr<osg::Node> loadedModel = osgDB::readNodeFile(argv[1]);
if (!loadedModel)
{
std::cout << argv[0] <<": No data loaded." << std::endl;
return 1;
}
osgViewer::SimpleViewer viewer;
osg::ref_ptr<osg::GraphicsContext::Traits> traits = new osg::GraphicsContext::Traits;
traits->x = 200;
traits->y = 200;
traits->width = 800;
traits->height = 600;
traits->windowDecoration = true;
traits->doubleBuffer = true;
traits->sharedContext = 0;
osg::ref_ptr<osg::GraphicsContext> gc = osg::GraphicsContext::createGraphicsContext(traits.get());
osgViewer::GraphicsWindow* gw = dynamic_cast<osgViewer::GraphicsWindow*>(gc.get());
if (!gw)
{
osg::notify(osg::NOTICE)<<"Error: unable to create graphics window."<<std::endl;
}
viewer.setEventQueue(gw->getEventQueue());
viewer.getEventQueue()->windowResize(traits->x,traits->y,traits->width,traits->height);
gc->realize();
gc->makeCurrent();
viewer.setSceneData(loadedModel.get());
// add the exit handler'
ExitHandler* exitHandler = new ExitHandler;
viewer.addEventHandler(exitHandler);
// initialize the view to look at the center of the scene graph
const osg::BoundingSphere& bs = loadedModel->getBound();
osg::Matrix viewMatrix;
viewMatrix.makeLookAt(bs.center()-osg::Vec3(0.0,2.0f*bs.radius(),0.0),bs.center(),osg::Vec3(0.0f,0.0f,1.0f));
// main loop (note, window toolkits which take control over the main loop will require a window redraw callback containing the code below.)
while( gw->isRealized() && !exitHandler->done() )
{
// check the window evnts
gw->checkEvents();
// set the view
viewer.getCamera()->setViewMatrix(viewMatrix);
// advance the frame, handle events, update the scene and render it.
viewer.frame();
// Swap Buffers
gw->swapBuffers();
}
return 0;
}