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) 2000-2009 Torus Knot Software Ltd 00008 00009 Permission is hereby granted, free of charge, to any person obtaining a copy 00010 of this software and associated documentation files (the "Software"), to deal 00011 in the Software without restriction, including without limitation the rights 00012 to use, copy, modify, merge, publish, distribute, sublicense, and/or sell 00013 copies of the Software, and to permit persons to whom the Software is 00014 furnished to do so, subject to the following conditions: 00015 00016 The above copyright notice and this permission notice shall be included in 00017 all copies or substantial portions of the Software. 00018 00019 THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR 00020 IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, 00021 FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE 00022 AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER 00023 LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, 00024 OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN 00025 THE SOFTWARE. 00026 ----------------------------------------------------------------------------- 00027 */ 00028 #ifndef __Sphere_H_ 00029 #define __Sphere_H_ 00030 00031 // Precompiler options 00032 #include "OgrePrerequisites.h" 00033 00034 #include "OgreVector3.h" 00035 00036 namespace Ogre { 00037 00038 00051 class _OgreExport Sphere 00052 { 00053 protected: 00054 Real mRadius; 00055 Vector3 mCenter; 00056 public: 00058 Sphere() : mRadius(1.0), mCenter(Vector3::ZERO) {} 00063 Sphere(const Vector3& center, Real radius) 00064 : mRadius(radius), mCenter(center) {} 00065 00067 Real getRadius(void) const { return mRadius; } 00068 00070 void setRadius(Real radius) { mRadius = radius; } 00071 00073 const Vector3& getCenter(void) const { return mCenter; } 00074 00076 void setCenter(const Vector3& center) { mCenter = center; } 00077 00079 bool intersects(const Sphere& s) const 00080 { 00081 return (s.mCenter - mCenter).squaredLength() <= 00082 Math::Sqr(s.mRadius + mRadius); 00083 } 00085 bool intersects(const AxisAlignedBox& box) const 00086 { 00087 return Math::intersects(*this, box); 00088 } 00090 bool intersects(const Plane& plane) const 00091 { 00092 return Math::intersects(*this, plane); 00093 } 00095 bool intersects(const Vector3& v) const 00096 { 00097 return ((v - mCenter).squaredLength() <= Math::Sqr(mRadius)); 00098 } 00099 00100 00101 }; 00105 } 00106 00107 #endif 00108
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Last modified Wed Nov 3 2010 19:24:52