RotationSpline.hh
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 ROTATIONALSPLINE_HH
00029 #define ROTATIONALSPLINE_HH
00030 
00031 #include <vector>
00032 #include "math/Quaternion.hh"
00033 
00034 namespace gazebo 
00035 {
00036   namespace math
00037   {
00038     class  RotationSpline
00039     {
00040       public: RotationSpline();
00041       public: ~RotationSpline();
00042 
00044       public: void AddPoint(const Quaternion &_p);
00045 
00047       public: const Quaternion &GetPoint(unsigned short _index) const;
00048 
00050       public: unsigned int GetNumPoints() const;
00051 
00053       public: void Clear();
00054 
00057       public: void UpdatePoint(unsigned short _index, const Quaternion &_value);
00058 
00067       public: Quaternion Interpolate(double _t, bool _useShortestPath=true);
00068 
00076       public: Quaternion Interpolate(unsigned int _fromIndex, double _t, 
00077                                      bool _useShortestPath=true);
00078 
00093       public: void SetAutoCalculate(bool _autoCalc);
00094 
00099       public: void RecalcTangents();
00100 
00101       protected: bool autoCalc;
00102 
00103       protected: std::vector<Quaternion> points;
00104       protected: std::vector<Quaternion> tangents;
00105     };
00106   }
00107 }
00108 
00109 #endif