Circle2D.h

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//    Copyright 2004-2019, 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 __CIRCLE2D_H__
#define __CIRCLE2D_H__
 
#include <H3D/X3DGeometryNode.h>
#include <H3D/SFFloat.h>
 
namespace H3D {
 
  
  class H3DAPI_API Circle2D : 
    public X3DGeometryNode {
  public:
 
    class H3DAPI_API SFBound: public TypedField< X3DGeometryNode::SFBound,
    SFFloat > {
      virtual void update() {
        H3DFloat d = 2 * static_cast< SFFloat * >( routes_in[0] )->getValue();
        BoxBound *bb = new BoxBound;
        bb->size->setValue( Vec3f( d, d, 0.f ) );
        value = bb;
      }
    };
 
    class H3DAPI_API DisplayList: public X3DGeometryNode::DisplayList {
    public:
      virtual void callList( bool build_list = true );
    };
 
    Circle2D( Inst< SFNode      > _metadata = 0,
           Inst< SFBound     > _bound = 0,
           Inst< DisplayList > _displayList = 0,
           Inst< MFBool      > _isTouched = 0,
           Inst< MFVec3f     > _force = 0,
           Inst< MFVec3f     > _contactPoint = 0,
           Inst< MFVec3f     > _contactNormal = 0,
           Inst< SFFloat     > _radius = 0 );
   
    virtual void render();
    
    virtual int nrLines() {
      return 40;
    }
 
    H3DUniquePtr< SFFloat > radius;
 
    static H3DNodeDatabase database;
  };
}
 
#endif