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 __RotationalSpline_H__ 00030 #define __RotationalSpline_H__ 00031 00032 #include "OgrePrerequisites.h" 00033 #include "OgreQuaternion.h" 00034 00035 namespace Ogre { 00036 00052 class _OgreExport RotationalSpline 00053 { 00054 public: 00055 RotationalSpline(); 00056 ~RotationalSpline(); 00057 00059 void addPoint(const Quaternion& p); 00060 00062 const Quaternion& getPoint(unsigned short index) const; 00063 00065 unsigned short getNumPoints(void) const; 00066 00068 void clear(void); 00069 00074 void updatePoint(unsigned short index, const Quaternion& value); 00075 00083 Quaternion interpolate(Real t, bool useShortestPath=true); 00084 00090 Quaternion interpolate(unsigned int fromIndex, Real t, bool useShortestPath=true); 00091 00104 void setAutoCalculate(bool autoCalc); 00105 00111 void recalcTangents(void); 00112 00113 protected: 00114 00115 bool mAutoCalc; 00116 00117 00118 00119 std::vector<Quaternion> mPoints; 00120 std::vector<Quaternion> mTangents; 00121 00122 }; 00123 00124 00125 } 00126 00127 00128 #endif 00129
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Last modified Sun Sep 27 22:02:25 2009