46 lines
1.7 KiB
C++
46 lines
1.7 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/BoundingBox>
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#include <osg/BoundingSphere>
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using namespace osg;
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void BoundingBox::expandBy(const BoundingBox& bb)
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{
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if (!bb.valid()) return;
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if(bb._min.x()<_min.x()) _min.x() = bb._min.x();
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if(bb._max.x()>_max.x()) _max.x() = bb._max.x();
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if(bb._min.y()<_min.y()) _min.y() = bb._min.y();
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if(bb._max.y()>_max.y()) _max.y() = bb._max.y();
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if(bb._min.z()<_min.z()) _min.z() = bb._min.z();
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if(bb._max.z()>_max.z()) _max.z() = bb._max.z();
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}
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void BoundingBox::expandBy(const BoundingSphere& sh)
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{
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if (!sh.valid()) return;
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if(sh._center.x()-sh._radius<_min.x()) _min.x() = sh._center.x()-sh._radius;
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if(sh._center.x()+sh._radius>_max.x()) _max.x() = sh._center.x()+sh._radius;
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if(sh._center.y()-sh._radius<_min.y()) _min.y() = sh._center.y()-sh._radius;
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if(sh._center.y()+sh._radius>_max.y()) _max.y() = sh._center.y()+sh._radius;
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if(sh._center.z()-sh._radius<_min.z()) _min.z() = sh._center.z()-sh._radius;
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if(sh._center.z()+sh._radius>_max.z()) _max.z() = sh._center.z()+sh._radius;
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}
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