# 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) 2000-2009 Torus Knot Software Ltd
    00008
    00009 Permission is hereby granted, free of charge, to any person obtaining a copy
    00010 of this software and associated documentation files (the "Software"), to deal
    00011 in the Software without restriction, including without limitation the rights
    00012 to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
    00013 copies of the Software, and to permit persons to whom the Software is
    00014 furnished to do so, subject to the following conditions:
    00015
    00016 The above copyright notice and this permission notice shall be included in
    00017 all copies or substantial portions of the Software.
    00018
    00019 THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
    00020 IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
    00021 FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
    00022 AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
    00023 LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
    00024 OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
    00025 THE SOFTWARE.
    00026 -----------------------------------------------------------------------------
    00027 */
    00028 #ifndef __Ray_H_
    00029 #define __Ray_H_
    00030
    00031 // Precompiler options
    00032 #include "OgrePrerequisites.h"
    00033
    00034 #include "OgreVector3.h"
    00035 #include "OgrePlaneBoundedVolume.h"
    00036
    00037 namespace Ogre {
    00038
    00046     class _OgreExport Ray
    00047     {
    00048     protected:
    00049         Vector3 mOrigin;
    00050         Vector3 mDirection;
    00051     public:
    00052         Ray():mOrigin(Vector3::ZERO), mDirection(Vector3::UNIT_Z) {}
    00053         Ray(const Vector3& origin, const Vector3& direction)
    00054             :mOrigin(origin), mDirection(direction) {}
    00055
    00057         void setOrigin(const Vector3& origin) {mOrigin = origin;}
    00059         const Vector3& getOrigin(void) const {return mOrigin;}
    00060
    00062         void setDirection(const Vector3& dir) {mDirection = dir;}
    00064         const Vector3& getDirection(void) const {return mDirection;}
    00065
    00067         Vector3 getPoint(Real t) const {
    00068             return Vector3(mOrigin + (mDirection * t));
    00069         }
    00070
    00072         Vector3 operator*(Real t) const {
    00073             return getPoint(t);
    00074         }
    00075
    00082         std::pair<bool, Real> intersects(const Plane& p) const
    00083         {
    00084             return Math::intersects(*this, p);
    00085         }
    00092         std::pair<bool, Real> intersects(const PlaneBoundedVolume& p) const
    00093         {
    00094             return Math::intersects(*this, p.planes, p.outside == Plane::POSITIVE_SIDE);
    00095         }
    00102         std::pair<bool, Real> intersects(const Sphere& s) const
    00103         {
    00104             return Math::intersects(*this, s);
    00105         }
    00112         std::pair<bool, Real> intersects(const AxisAlignedBox& box) const
    00113         {
    00114             return Math::intersects(*this, box);
    00115         }
    00116
    00117     };
    00121 }
    00122 #endif

Copyright © 2008 Torus Knot Software Ltd
This work is licensed under a Creative Commons Attribution-ShareAlike 3.0 Unported License.
Last modified Sun May 8 2011 20:28:08