# 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) 2000-2005 The OGRE Team
    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 */
    00025 #ifndef __Sphere_H_
    00026 #define __Sphere_H_
    00027
    00028 // Precompiler options
    00029 #include "OgrePrerequisites.h"
    00030
    00031 #include "OgreVector3.h"
    00032
    00033 namespace Ogre {
    00034
    00035
    00042     class _OgreExport Sphere
    00043     {
    00044     protected:
    00045         Real mRadius;
    00046         Vector3 mCenter;
    00047     public:
    00049         Sphere() : mRadius(1.0), mCenter(Vector3::ZERO) {}
    00054         Sphere(const Vector3& center, Real radius)
    00055             : mRadius(radius), mCenter(center) {}
    00056
    00058         Real getRadius(void) const { return mRadius; }
    00059
    00061         void setRadius(Real radius) { mRadius = radius; }
    00062
    00064         const Vector3& getCenter(void) const { return mCenter; }
    00065
    00067         void setCenter(const Vector3& center) { mCenter = center; }
    00068
    00070         bool intersects(const Sphere& s) const
    00071         {
    00072             return (s.mCenter - mCenter).length() <=
    00073                 (s.mRadius + mRadius);
    00074         }
    00076         bool intersects(const AxisAlignedBox& box) const
    00077         {
    00078             return Math::intersects(*this, box);
    00079         }
    00081         bool intersects(const Plane& plane) const
    00082         {
    00083             return Math::intersects(*this, plane);
    00084         }
    00086         bool intersects(const Vector3& v) const
    00087         {
    00088             return ((v - mCenter).length() <= mRadius);
    00089         }
    00090
    00091
    00092     };
    00093
    00094 }
    00095
    00096 #endif
    00097

Copyright © 2000-2005 by The OGRE Team
Last modified Sun Nov 20 12:36:07 2005