ClipPlane.h

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//    Copyright 2004, SenseGraphics AB
//
//    This file is part of H3D API.
//
//    H3D API is free software; you can redistribute it and/or modify
//    it under the terms of the GNU General Public License as published by
//    the Free Software Foundation; either version 2 of the License, or
//    (at your option) any later version.
//
//    H3D API is distributed in the hope that it will be useful,
//    but WITHOUT ANY WARRANTY; without even the implied warranty of
//    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
//    GNU General Public License for more details.
//
//    You should have received a copy of the GNU General Public License
//    along with H3D API; if not, write to the Free Software
//    Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
//
//    A commercial license is also available. Please contact us at 
//    www.sensegraphics.com for more information.
//
//
//
#ifndef __CLIPPLANE_H__
#define __CLIPPLANE_H__

#include "X3DChildNode.h"
#include "H3DDisplayListObject.h"
#include "H3DRenderStateObject.h"
#include "SFVec4d.h"

namespace H3D {

  class H3DAPI_API ClipPlane : 
    public X3DChildNode,
    public H3DDisplayListObject,
    public H3DRenderStateObject {
  public:
     
    ClipPlane( Inst< SFNode  >  _metadata         = 0,
               Inst< SFBool  >  _enabled          = 0,
               Inst< SFVec4d >  _plane            = 0,
               Inst< SFBool  >  _clipHaptics      = 0,
               Inst< SFBool  >  _clipGraphics     = 0 );

    virtual void enableGraphicsState();

    virtual void disableGraphicsState();

#ifdef USE_HAPTICS
    virtual void enableHapticsState( TraverseInfo &ti );

    virtual void disableHapticsState( TraverseInfo &ti );
#endif
  
    auto_ptr< SFBool >  enabled;

    auto_ptr< SFVec4d >  plane;

    auto_ptr< SFBool >  clipHaptics;

    auto_ptr< SFBool >  clipGraphics;

    static H3DNodeDatabase database;

  protected:
    int plane_index;
    bool haptics_enabled;
    static GLint max_nr_clip_planes;
    static int nr_active_clip_planes;
    
  };
}

#endif

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