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
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Last modified Sun Sep 27 22:02:26 2009