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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 (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 __Ray_H_
00026 #define __Ray_H_
00027 
00028 // Precompiler options
00029 #include "OgrePrerequisites.h"
00030 
00031 #include "OgreVector3.h"
00032 #include "OgrePlaneBoundedVolume.h"
00033 
00034 namespace Ogre {
00035 
00037     class _OgreExport Ray
00038     {
00039     protected:
00040         Vector3 mOrigin;
00041         Vector3 mDirection;
00042     public:
00043         Ray():mOrigin(Vector3::ZERO), mDirection(Vector3::UNIT_Z) {}
00044         Ray(const Vector3& origin, const Vector3& direction)
00045             :mOrigin(origin), mDirection(direction) {}
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 PlaneBoundedVolume& p) const
00084         {
00085             return Math::intersects(*this, p.planes, p.outside == Plane::POSITIVE_SIDE);
00086         }
00093         std::pair<bool, Real> intersects(const Sphere& s) const
00094         {
00095             return Math::intersects(*this, s);
00096         }
00103         std::pair<bool, Real> intersects(const AxisAlignedBox& box) const
00104         {
00105             return Math::intersects(*this, box);
00106         }
00107 
00108     };
00109 
00110 }
00111 #endif

Copyright © 2000-2005 by The OGRE Team
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Last modified Sun Mar 12 14:37:47 2006