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 © 2000-2002 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 00026 #ifndef __AnimationTrack_H__ 00027 #define __AnimationTrack_H__ 00028 00029 #include "OgrePrerequisites.h" 00030 #include "OgreSimpleSpline.h" 00031 #include "OgreRotationalSpline.h" 00032 00033 namespace Ogre 00034 { 00054 class _OgreExport AnimationTrack 00055 { 00056 public: 00058 AnimationTrack(Animation* parent); 00060 AnimationTrack(Animation* parent, Node* targetNode); 00061 00062 virtual ~AnimationTrack(); 00063 00065 unsigned short getNumKeyFrames(void) const; 00066 00068 KeyFrame* getKeyFrame(unsigned short index) const; 00069 00091 Real getKeyFramesAtTime(Real timePos, KeyFrame** keyFrame1, KeyFrame** keyFrame2, 00092 unsigned short* firstKeyIndex = 0) const; 00093 00101 KeyFrame* createKeyFrame(Real timePos); 00102 00104 void removeKeyFrame(unsigned short index); 00105 00107 void removeAllKeyFrames(void); 00108 00109 00121 KeyFrame getInterpolatedKeyFrame(Real timeIndex) const; 00122 00131 void apply(Real timePos, Real weight = 1.0, bool accumulate = false); 00132 00134 Node* getAssociatedNode(void) const; 00135 00137 void setAssociatedNode(Node* node); 00138 00140 void applyToNode(Node* node, Real timePos, Real weight = 1.0, bool accumulate = false); 00141 00143 void setUseShortestRotationPath(bool useShortestPath); 00144 00146 bool getUseShortestRotationPath() const; 00147 00150 void _keyFrameDataChanged(void) const; 00151 00152 protected: 00153 typedef std::vector<KeyFrame*> KeyFrameList; 00154 KeyFrameList mKeyFrames; 00155 Real mMaxKeyFrameTime; 00156 Animation* mParent; 00157 Node* mTargetNode; 00158 00159 // Flag indicating we need to rebuild the splines next time 00160 void buildInterpolationSplines(void) const; 00161 00162 // Prebuilt splines, must be mutable since lazy-update in const method 00163 mutable bool mSplineBuildNeeded; 00164 mutable SimpleSpline mPositionSpline; 00165 mutable SimpleSpline mScaleSpline; 00166 mutable RotationalSpline mRotationSpline; 00168 mutable bool mUseShortestRotationPath ; 00169 00170 00171 }; 00172 } 00173 00174 #endif
Copyright © 2002-2003 by The OGRE Team
Last modified Sun Nov 28 19:48:14 2004