# 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) 2000-2006 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
This work is licensed under a Creative Commons Attribution-ShareAlike 2.5 License.
Last modified Sat Apr 11 13:46:42 2009