FGFS-4.1/OpenSceneGraph
4
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

Ported following examples to osgViewer:

Browse Source 
osgshaders
osgshaderterrain
osgshadow
osgshadowtexture
This commit is contained in:
Robert Osfield
2007-01-10 21:05:26 +00:00
parent 8d918d951f
commit 877a32c3eb
17 changed files with 72 additions and 254 deletions
Download Patch File Download Diff File Expand all files Collapse all files

46
examples/osgshadow/osgshadow.cpp
View File

@@ -6,13 +6,17 @@
#include <osg/Camera>
#include <osg/Stencil>
#include <osg/CullFace>
#include <osg/Geometry>
#include <osgProducer/Viewer>
#include <osgGA/TrackballManipulator>
#include <osgViewer/Viewer>
#include <osgShadow/OccluderGeometry>
#include <osgDB/ReadFile>
#include <iostream>
class ComputeBoundingBoxVisitor : public osg::NodeVisitor
{
@@ -124,13 +128,7 @@ int main(int argc, char** argv)
arguments.getApplicationUsage()->addCommandLineOption("--no-base-texture", "Adde base texture to shadowed model.");
// 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;
// if user request help write it out to cout.
if (arguments.read("-h") || arguments.read("--help"))
@@ -189,8 +187,8 @@ int main(int argc, char** argv)
osg::Vec3 depthVec(0.0f, bb.radius(), 0.0f);
osg::Vec3 centerBase( (bb.xMin()+bb.xMax())*0.5f, (bb.yMin()+bb.yMax())*0.5f, bb.zMin()-bb.radius()*0.1f );
geode->addDrawable( createTexturedQuadGeometry( centerBase-widthVec*1.5f-depthVec*1.5f,
widthVec*3.0f, depthVec*3.0f) );
geode->addDrawable( osg::createTexturedQuadGeometry( centerBase-widthVec*1.5f-depthVec*1.5f,
widthVec*3.0f, depthVec*3.0f) );
newGroup->addChild(geode);
model = newGroup.get();
@@ -381,14 +379,18 @@ int main(int argc, char** argv)
viewer.setSceneData(group.get());
viewer.setCameraManipulator(new osgGA::TrackballManipulator());
osg::notify(osg::NOTICE)<<"Warning: Stencil buffer required, but not yet switched on."<<std::endl;
// create the windows and run the threads.
viewer.realize();
while (!viewer.done())
{
// wait for all cull and draw threads to complete.
viewer.sync();
if (updateLightPosition)
{
float t = viewer.getFrameStamp()->getReferenceTime();
@@ -402,24 +404,10 @@ int main(int argc, char** argv)
}
light->setPosition(lightpos);
occluder->computeShadowVolumeGeometry(lightpos, *shadowVolume);
}
}
// 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();
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;
}