54 lines
1.6 KiB
C++
54 lines
1.6 KiB
C++
/* -*-c++-*- OpenSceneGraph - Copyright (C) 1998-2006 Robert Osfield
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*
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* This library is open source and may be redistributed and/or modified under
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* the terms of the OpenSceneGraph Public License (OSGPL) version 0.0 or
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* (at your option) any later version. The full license is in LICENSE file
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* included with this distribution, and on the openscenegraph.org website.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* OpenSceneGraph Public License for more details.
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*/
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#include <osg/CameraView>
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using namespace osg;
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CameraView::CameraView():
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_fieldOfView(60.0),
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_fieldOfViewMode(VERTICAL),
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_focalLength(0.0)
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{
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}
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bool CameraView::computeLocalToWorldMatrix(Matrix& matrix,NodeVisitor*) const
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{
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if (_referenceFrame==RELATIVE_RF)
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{
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matrix.preMult(osg::Matrix::rotate(_attitude)*
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osg::Matrix::translate(_position));
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}
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else // absolute
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{
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matrix = osg::Matrix::rotate(_attitude)*
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osg::Matrix::translate(_position);
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}
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return true;
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}
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bool CameraView::computeWorldToLocalMatrix(Matrix& matrix,NodeVisitor*) const
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{
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if (_referenceFrame==RELATIVE_RF)
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{
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matrix.postMult(osg::Matrix::translate(-_position)*
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osg::Matrix::rotate(_attitude.inverse()));
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}
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else // absolute
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{
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matrix = osg::Matrix::translate(-_position)*
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osg::Matrix::rotate(_attitude.inverse());
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}
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return true;
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}
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