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
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Last modified Sun Sep 27 22:02:25 2009