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OgreRay.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 © 2000-2003 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 __Ray_H_
00026 #define __Ray_H_
00027 
00028 // Precompiler options
00029 #include "OgrePrerequisites.h"
00030 
00031 #include "OgreVector3.h"
00032 
00033 namespace Ogre {
00034 
00036     class _OgreExport Ray
00037     {
00038     protected:
00039         Vector3 mOrigin;
00040         Vector3 mDirection;
00041     public:
00042         Ray():mOrigin(Vector3::ZERO), mDirection(Vector3::UNIT_Z) {}
00043         Ray(const Vector3& origin, const Vector3& direction)
00044             :mOrigin(origin), mDirection(direction) {}
00045         virtual ~Ray() {}
00046 
00048         void setOrigin(const Vector3& origin) {mOrigin = origin;} 
00050         const Vector3& getOrigin(void) const {return mOrigin;} 
00051 
00053         void setDirection(const Vector3& dir) {mDirection = dir;} 
00055         const Vector3& getDirection(void) const {return mDirection;} 
00056 
00058         Vector3 getPoint(Real t) const { 
00059             return Vector3(mOrigin + (mDirection * t));
00060         }
00061         
00063         Vector3 operator*(Real t) const { 
00064             return getPoint(t);
00065         };
00066 
00073         std::pair<bool, Real> intersects(const Plane& p) const
00074         {
00075             return Math::intersects(*this, p);
00076         }
00083         std::pair<bool, Real> intersects(const Sphere& s) const
00084         {
00085             return Math::intersects(*this, s);
00086         }
00093         std::pair<bool, Real> intersects(const AxisAlignedBox& box) const
00094         {
00095             return Math::intersects(*this, box);
00096         }
00097 
00098     };
00099 
00100 }
00101 #endif

Copyright © 2002-2003 by The OGRE Team
Last modified Fri May 14 23:22:37 2004