HapticSphere.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 __HAPTICSPHERE_H__
#define __HAPTICSPHERE_H__

#include "X3DGeometryNode.h"
#include "H3DSurfaceNode.h"
#include "HapticShape.h"
#include "HLCustomObject.h"

namespace H3D {

  class H3DAPI_API HapticSphere: public HapticShape, public HLCustomObject  {
  public:
    HapticSphere( H3DFloat _radius,
                  bool _solid,
                  X3DGeometryNode *_geometry,
                  H3DSurfaceNode *_surface,
                  const Matrix4f &_transform ):
      HapticShape( _geometry, _surface, _transform ),
      radius( _radius ),
      solid( _solid ) {}
#ifdef HAVE_OPENHAPTICS
    virtual bool intersectSurface( const Vec3f &start_point, 
                                   const Vec3f &end_point,
                                   Vec3f &intersection_point, 
                                   Vec3f &intersection_normal,
                                   HLenum &face );

    virtual bool closestFeature( const Vec3f &query_point, 
                                 const Vec3f &target_point,
                                 HLgeom *geom,
                                 Vec3f &closest_point );    

    virtual void hlRender( HLHapticsDevice *hd );
#endif

    H3DFloat radius;

    bool solid;
  };
}

#endif

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