OgreSphere.h

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00001 /*
00002 -----------------------------------------------------------------------------
00003 This source file is part of OGRE
00004     (Object-oriented Graphics Rendering Engine)
00005 For the latest info, see http://www.ogre3d.org/
00006 
00007 Copyright (c) 2000-2006 Torus Knot Software Ltd
00008 Also see acknowledgements in Readme.html
00009 
00010 This program is free software; you can redistribute it and/or modify it under
00011 the terms of the GNU Lesser General Public License as published by the Free Software
00012 Foundation; either version 2 of the License, or (at your option) any later
00013 version.
00014 
00015 This program is distributed in the hope that it will be useful, but WITHOUT
00016 ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
00017 FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License for more details.
00018 
00019 You should have received a copy of the GNU Lesser General Public License along with
00020 this program; if not, write to the Free Software Foundation, Inc., 59 Temple
00021 Place - Suite 330, Boston, MA 02111-1307, USA, or go to
00022 http://www.gnu.org/copyleft/lesser.txt.
00023 
00024 You may alternatively use this source under the terms of a specific version of
00025 the OGRE Unrestricted License provided you have obtained such a license from
00026 Torus Knot Software Ltd.
00027 -----------------------------------------------------------------------------
00028 */
00029 #ifndef __Sphere_H_
00030 #define __Sphere_H_
00031 
00032 // Precompiler options
00033 #include "OgrePrerequisites.h"
00034 
00035 #include "OgreVector3.h"
00036 
00037 namespace Ogre {
00038 
00039 
00046     class _OgreExport Sphere
00047     {
00048     protected:
00049         Real mRadius;
00050         Vector3 mCenter;
00051     public:
00053         Sphere() : mRadius(1.0), mCenter(Vector3::ZERO) {}
00058         Sphere(const Vector3& center, Real radius)
00059             : mRadius(radius), mCenter(center) {}
00060 
00062         Real getRadius(void) const { return mRadius; }
00063 
00065         void setRadius(Real radius) { mRadius = radius; }
00066 
00068         const Vector3& getCenter(void) const { return mCenter; }
00069 
00071         void setCenter(const Vector3& center) { mCenter = center; }
00072 
00074         bool intersects(const Sphere& s) const
00075         {
00076             return (s.mCenter - mCenter).squaredLength() <=
00077                 Math::Sqr(s.mRadius + mRadius);
00078         }
00080         bool intersects(const AxisAlignedBox& box) const
00081         {
00082             return Math::intersects(*this, box);
00083         }
00085         bool intersects(const Plane& plane) const
00086         {
00087             return Math::intersects(*this, plane);
00088         }
00090         bool intersects(const Vector3& v) const
00091         {
00092             return ((v - mCenter).squaredLength() <= Math::Sqr(mRadius));
00093         }
00094         
00095 
00096     };
00097 
00098 }
00099 
00100 #endif
00101 

Copyright © 2008 Torus Knot Software Ltd
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Last modified Sun Sep 27 22:02:26 2009