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ElasticFilterNode.h

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00001 /* ========================================================================
00002  * Copyright (c) 2006,
00003  * Institute for Computer Graphics and Vision
00004  * Graz University of Technology
00005  * All rights reserved.
00006  *
00007  * Redistribution and use in source and binary forms, with or without
00008  * modification, are permitted provided that the following conditions are
00009  * met:
00010  *
00011  * Redistributions of source code must retain the above copyright notice,
00012  * this list of conditions and the following disclaimer.
00013  *
00014  * Redistributions in binary form must reproduce the above copyright
00015  * notice, this list of conditions and the following disclaimer in the
00016  * documentation and/or other materials provided with the distribution.
00017  *
00018  * Neither the name of the Graz University of Technology nor the names of
00019  * its contributors may be used to endorse or promote products derived from
00020  * this software without specific prior written permission.
00021  *
00022  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS
00023  * IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
00024  * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A
00025  * PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER
00026  * OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
00027  * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
00028  * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
00029  * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
00030  * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
00031  * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
00032  * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
00033  * ========================================================================
00034  * PROJECT: OpenTracker
00035  * ======================================================================== */
00042 /* ======================================================================= */
00043 
00061 #ifndef _ELASTICFILTERNODE_H
00062 #define _ELASTICFILTERNODE_H
00063 
00064 #include "../OpenTracker.h"
00065 
00072 #ifndef OT_NO_ELASTICFILTER_SUPPORT
00073 
00074 
00075 namespace ot {
00076 
00077     class OPENTRACKER_API ElasticFilterNode : public Node   
00078     {
00079 
00080     protected:
00081         bool init;
00083         int frequency;
00085         int offset;
00087         float damp;     
00088         float force;    
00089 
00090     // internal variables
00091         Event currentEvent; 
00092         Event targetEvent;  
00093         Event vEvent;       
00094 
00096         ElasticFilterNode( float force_ = 0.02, float damp_ = 0.5, int frequency_ = 1, int offset_ = 0);
00097 
00098     public:
00102         virtual int isEventGenerator()
00103         {
00104             return 1;
00105         }
00106 
00112         virtual void onEventGenerated( Event& event, Node & generator);                                
00113 
00116         void push();
00117 
00118         friend class InterpolatorModule;
00119     };
00120 
00121 } // namespace ot
00122 
00123 
00124 #endif //OT_NO_ELASTICFILTER_SUPPORT
00125 
00126 
00127 #endif
00128 
00129 /* 
00130  * ------------------------------------------------------------
00131  *   End of ElasticFilterNode.h
00132  * ------------------------------------------------------------
00133  *   Automatic Emacs configuration follows.
00134  *   Local Variables:
00135  *   mode:c++
00136  *   c-basic-offset: 4
00137  *   eval: (c-set-offset 'substatement-open 0)
00138  *   eval: (c-set-offset 'case-label '+)
00139  *   eval: (c-set-offset 'statement 'c-lineup-runin-statements)
00140  *   eval: (setq indent-tabs-mode nil)
00141  *   End:
00142  * ------------------------------------------------------------ 
00143  */

copyright (c) 2006 Graz University of Technology