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# shadowcallback.h

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    00001 /***************************************************************************
    00002  *  callback class for a shadowed scene                                    *
    00003  *                                                                         *
    00004  ***************************************************************************/
    00005 /***************************************************************************
    00006  *   Copyright (C) 2005 by Robot Group Leipzig                             *
    00007  *    martius@informatik.uni-leipzig.de                                    *
    00008  *    fhesse@informatik.uni-leipzig.de                                     *
    00009  *    der@informatik.uni-leipzig.de                                        *
    00010  *    frankguettler@gmx.de                                                 *
    00011  *                                                                         *
    00012  *   This program is free software; you can redistribute it and/or modify  *
    00013  *   it under the terms of the GNU General Public License as published by  *
    00014  *   the Free Software Foundation; either version 2 of the License, or     *
    00015  *   (at your option) any later version.                                   *
    00016  *                                                                         *
    00017  *   This program is distributed in the hope that it will be useful,       *
    00018  *   but WITHOUT ANY WARRANTY; without even the implied warranty of        *
    00019  *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the         *
    00020  *   GNU General Public License for more details.                          *
    00021  *                                                                         *
    00022  *   You should have received a copy of the GNU General Public License     *
    00023  *   along with this program; if not, write to the                         *
    00024  *   Free Software Foundation, Inc.,                                       *
    00025  *   59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.             *
    00026  *                                                                         *
    00027  *   $Log: shadowcallback.h,v $
    00028  *   Revision 1.2  2006/07/14 12:23:36  martius
    00029  *   selforg becomes HEAD
    00030  *
    00031  *   Revision 1.1.2.1  2006/05/18 11:32:58  robot3
    00032  *   -first open version
    00033  *   -note that there is probably a precision problem that causes
    00034  *    the disappearing of the shadow after some time (after ca. 60
    00035  *    minutes simulation time)
    00036  *   -imports optimized
    00037  *
    00038  *                                                                         *
    00039  ***************************************************************************/
    00040 #ifndef __SHADOWCALLBACK_H
    00041 #define __SHADOWCALLBACK_H
    00042
    00043
    00044 #include <osg/CameraNode>
    00045 #include <osg/TexGenNode>
    00046
    00047
    00048 class ShadowDrawCallback : public osg::NodeCallback
    00049 {
    00050  public:
    00051
    00052   /**
    00053    * creates the shadow draw callback for the shadowed scene
    00054    * note that the sky and the ground is not shadowed,
    00055    * use any playground for having shadows on the roof
    00056    */
    00057   ShadowDrawCallback(osg::Vec3 posOfLight, osg::CameraNode* cameraNode, osg::TexGenNode* texgenNode);
    00058
    00059   virtual void operator()(osg::Node* node, osg::NodeVisitor* nv);
    00060
    00061  protected:
    00062
    00063   virtual ~ShadowDrawCallback();
    00064
    00065   osg::Vec3 posOfLight;
    00066   osg::ref_ptr<osg::CameraNode> _cameraNode;
    00067   osg::ref_ptr<osg::TexGenNode> _texgenNode;
    00068
    00069 };
    00070
    00071 #endif