3 * Copyright (C) 2006-2007 Mathias Froehlich
5 * This program is free software; you can redistribute it and/or
6 * modify it under the terms of the GNU General Public License as
7 * published by the Free Software Foundation; either version 2 of the
8 * License, or (at your option) any later version.
10 * This program is distributed in the hope that it will be useful, but
11 * WITHOUT ANY WARRANTY; without even the implied warranty of
12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
13 * General Public License for more details.
15 * You should have received a copy of the GNU General Public License
16 * along with this program; if not, write to the Free Software
17 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
22 #ifndef SG_OFFSET_TRASNFORM_HXX
23 #define SG_OFFSET_TRASNFORM_HXX
25 #include <osg/Transform>
27 class SGOffsetTransform : public osg::Transform {
29 SGOffsetTransform(double scaleFactor = 1.0);
30 SGOffsetTransform(const SGOffsetTransform&,
31 const osg::CopyOp& copyop = osg::CopyOp::SHALLOW_COPY);
33 META_Node(simgear, SGOffsetTransform);
35 double getScaleFactor() const { return _scaleFactor; };
37 void setScaleFactor(double scaleFactor)
39 _scaleFactor = scaleFactor;
40 _rScaleFactor = 1.0 / scaleFactor;
43 virtual bool computeLocalToWorldMatrix(osg::Matrix& matrix,
44 osg::NodeVisitor* nv) const;
45 virtual bool computeWorldToLocalMatrix(osg::Matrix& matrix,
46 osg::NodeVisitor* nv) const;