OgreRay.h

Go to the documentation of this file.
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 __Ray_H_
00030 #define __Ray_H_
00031 
00032 // Precompiler options
00033 #include "OgrePrerequisites.h"
00034 
00035 #include "OgreVector3.h"
00036 #include "OgrePlaneBoundedVolume.h"
00037 
00038 namespace Ogre {
00039 
00041     class _OgreExport Ray
00042     {
00043     protected:
00044         Vector3 mOrigin;
00045         Vector3 mDirection;
00046     public:
00047         Ray():mOrigin(Vector3::ZERO), mDirection(Vector3::UNIT_Z) {}
00048         Ray(const Vector3& origin, const Vector3& direction)
00049             :mOrigin(origin), mDirection(direction) {}
00050 
00052         void setOrigin(const Vector3& origin) {mOrigin = origin;} 
00054         const Vector3& getOrigin(void) const {return mOrigin;} 
00055 
00057         void setDirection(const Vector3& dir) {mDirection = dir;} 
00059         const Vector3& getDirection(void) const {return mDirection;} 
00060 
00062         Vector3 getPoint(Real t) const { 
00063             return Vector3(mOrigin + (mDirection * t));
00064         }
00065         
00067         Vector3 operator*(Real t) const { 
00068             return getPoint(t);
00069         };
00070 
00077         std::pair<bool, Real> intersects(const Plane& p) const
00078         {
00079             return Math::intersects(*this, p);
00080         }
00087         std::pair<bool, Real> intersects(const PlaneBoundedVolume& p) const
00088         {
00089             return Math::intersects(*this, p.planes, p.outside == Plane::POSITIVE_SIDE);
00090         }
00097         std::pair<bool, Real> intersects(const Sphere& s) const
00098         {
00099             return Math::intersects(*this, s);
00100         }
00107         std::pair<bool, Real> intersects(const AxisAlignedBox& box) const
00108         {
00109             return Math::intersects(*this, box);
00110         }
00111 
00112     };
00113 
00114 }
00115 #endif

Copyright © 2008 Torus Knot Software Ltd
Creative Commons License
This work is licensed under a Creative Commons Attribution-ShareAlike 2.5 License.
Last modified Sun Sep 27 22:02:25 2009