# 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         virtual ~Ray() {}
    00047
    00049         void setOrigin(const Vector3& origin) {mOrigin = origin;}
    00051         const Vector3& getOrigin(void) const {return mOrigin;}
    00052
    00054         void setDirection(const Vector3& dir) {mDirection = dir;}
    00056         const Vector3& getDirection(void) const {return mDirection;}
    00057
    00059         Vector3 getPoint(Real t) const {
    00060             return Vector3(mOrigin + (mDirection * t));
    00061         }
    00062
    00064         Vector3 operator*(Real t) const {
    00065             return getPoint(t);
    00066         };
    00067
    00074         std::pair<bool, Real> intersects(const Plane& p) const
    00075         {
    00076             return Math::intersects(*this, p);
    00077         }
    00084         std::pair<bool, Real> intersects(const PlaneBoundedVolume& p) const
    00085         {
    00086             return Math::intersects(*this, p.planes, p.outside == Plane::POSITIVE_SIDE);
    00087         }
    00094         std::pair<bool, Real> intersects(const Sphere& s) const
    00095         {
    00096             return Math::intersects(*this, s);
    00097         }
    00104         std::pair<bool, Real> intersects(const AxisAlignedBox& box) const
    00105         {
    00106             return Math::intersects(*this, box);
    00107         }
    00108
    00109     };
    00110
    00111 }
    00112 #endif

Copyright © 2000-2005 by The OGRE Team
Last modified Sun Nov 20 12:36:05 2005