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Protect against divide-by-zero in setCameraParameters

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Found by Csaba Halász
This commit is contained in:
timoore 2009-01-03 00:15:58 +00:00 committed by Tim Moore
parent 1a05695ff5
commit 2b0ffae339
1 changed files with 5 additions and 3 deletions
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4
src/Main/CameraGroup.cxx
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@ -219,7 +219,9 @@ void CameraGroup::update(const osg::Vec3d& position,
void CameraGroup::setCameraParameters(float vfov, float aspectRatio) void CameraGroup::setCameraParameters(float vfov, float aspectRatio)
{ {
_viewer->getCamera()->setProjectionMatrixAsPerspective(vfov, if (vfov != 0.0f && aspectRatio != 0.0f)
_viewer->getCamera()
->setProjectionMatrixAsPerspective(vfov,
1.0f / aspectRatio, 1.0f / aspectRatio,
_zNear, _zFar); _zNear, _zFar);
} }