FGFS-4.1/OpenSceneGraph
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Improved the set of the master + slave cameras

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This commit is contained in:
Robert Osfield 2008-11-24 16:02:20 +00:00
parent 9addcc050d
commit 2517c1e77e
1 changed files with 9 additions and 10 deletions
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19
examples/osgsidebyside/osgsidebyside.cpp
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@ -166,6 +166,8 @@ void singleWindowSideBySideCameras(osgViewer::Viewer& viewer)
unsigned int width, height;
wsi->getScreenResolution(osg::GraphicsContext::ScreenIdentifier(0), width, height);
// Not fullscreen
width /= 2;
height /= 2;
@ -194,19 +196,16 @@ void singleWindowSideBySideCameras(osgViewer::Viewer& viewer)
osg::notify(osg::NOTICE)<<" GraphicsWindow has not been created successfully."<<std::endl;
}
double aspectRatioScale = 1.0;
osg::Camera* master = viewer.getCamera();
// get the default settings for the camera
double fovy, aspectRatio, zNear, zFar;
master->getProjectionMatrixAsPerspective(fovy, aspectRatio, zNear, zFar);
master->setProjectionResizePolicy(osg::Camera::VERTICAL);
fovy = 90;
aspectRatio = 1;
master->setProjectionMatrixAsPerspective(fovy, aspectRatio, zNear, zFar);
double h = osg::absolute(tan(osg::DegreesToRadians(fovy / 2)));
double w = h * aspectRatio;
double fovx = osg::absolute(osg::RadiansToDegrees(atan(w)) * 2);
// reset this for the actual apsect ratio of out created window
double windowAspectRatio = double(width)/double(height);
master->setProjectionMatrixAsPerspective(fovy, windowAspectRatio, 1.0, 10000.0);
master->setName("MasterCam");
@ -218,7 +217,7 @@ void singleWindowSideBySideCameras(osgViewer::Viewer& viewer)
GLenum buffer = traits->doubleBuffer ? GL_BACK : GL_FRONT;
camera->setDrawBuffer(buffer);
camera->setReadBuffer(buffer);
viewer.addSlave(camera.get(), osg::Matrixd(), osg::Matrixd());
viewer.addSlave(camera.get(), osg::Matrixd::scale(1.0,0.5,1.0), osg::Matrixd());
camera = new osg::Camera;
camera->setCullMask(2);
@ -228,7 +227,7 @@ void singleWindowSideBySideCameras(osgViewer::Viewer& viewer)
buffer = traits->doubleBuffer ? GL_BACK : GL_FRONT;
camera->setDrawBuffer(buffer);
camera->setReadBuffer(buffer);
viewer.addSlave(camera.get(), osg::Matrixd(), osg::Matrixd());
viewer.addSlave(camera.get(), osg::Matrixd::scale(1.0,0.5,1.0), osg::Matrixd());
}
int main( int argc, char **argv )