FGFS-4.1/OpenSceneGraph
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Move the setting of the camera horizontal field of view to after the realize()

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to avoid the CameraGroup's Lens be set when its NULL.
This commit is contained in:
Robert Osfield 2004-10-19 13:52:46 +00:00
parent 48a1fff041
commit 54d3629974
1 changed files with 13 additions and 4 deletions
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17
examples/osgcluster/osgcluster.cpp
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@ -126,12 +126,9 @@ int main( int argc, char **argv )
float socketNumber=8100.0f;
while (arguments.read("-n",socketNumber)) ;
float camera_fov=45.0f;
float camera_fov=-1.0f;
while (arguments.read("-f",camera_fov))
{
std::cout << "setting lens perspective : original "<<viewer.getLensHorizontalFov()<<" "<<viewer.getLensVerticalFov()<<std::endl;
viewer.setLensPerspective(camera_fov,camera_fov*viewer.getLensVerticalFov()/viewer.getLensHorizontalFov(),1.0f,1000.0f);
std::cout << "setting lens perspective : new "<<viewer.getLensHorizontalFov()<<" "<<viewer.getLensVerticalFov()<<std::endl;
}
float camera_offset=45.0f;
@ -172,6 +169,18 @@ int main( int argc, char **argv )
// create the windows and run the threads.
viewer.realize();
// set up the lens after realize as the Producer lens is not set up properly before this.... will need to inveestigate this at a later date.
if (camera_fov>0.0f)
{
float aspectRatio = tan( osg::DegreesToRadians(viewer.getLensVerticalFov()*0.5)) / tan(osg::DegreesToRadians(viewer.getLensHorizontalFov()*0.5));
float new_fovy = osg::RadiansToDegrees(atan( aspectRatio * tan( osg::DegreesToRadians(camera_fov*0.5))))*2.0f;
std::cout << "setting lens perspective : original "<<viewer.getLensHorizontalFov()<<" "<<viewer.getLensVerticalFov()<<std::endl;
viewer.setLensPerspective(camera_fov,new_fovy,1.0f,1000.0f);
std::cout << "setting lens perspective : new "<<viewer.getLensHorizontalFov()<<" "<<viewer.getLensVerticalFov()<<std::endl;
}
// objects for managing the broadcasting and recieving of camera packets.
Broadcaster bc;
Receiver rc;