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,
23 # include <simgear_config.h>
26 #include "SGEnlargeBoundingBox.hxx"
27 #include <osg/Drawable>
29 SGEnlargeBoundingBox::SGEnlargeBoundingBox(float offset) :
34 SGEnlargeBoundingBox::SGEnlargeBoundingBox(const SGEnlargeBoundingBox& cb,
35 const osg::CopyOp& copyOp) :
36 osg::Drawable::ComputeBoundingBoxCallback(cb, copyOp),
42 SGEnlargeBoundingBox::computeBound(const osg::Drawable& drawable) const
44 osg::BoundingBox bound = drawable.computeBound();
47 return osg::BoundingBox(bound._min - osg::Vec3(_offset, _offset, _offset),
48 bound._max + osg::Vec3(_offset, _offset, _offset));