# 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
This work is licensed under a Creative Commons Attribution-ShareAlike 2.5 License.
Last modified Sat Apr 11 13:46:43 2009