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// Copyright (c) 2010 INRIA Sophia-Antipolis (France).
// All rights reserved.
//
// This file is part of CGAL (www.cgal.org).
//
// $URL$
// $Id$
// SPDX-License-Identifier: GPL-3.0-or-later OR LicenseRef-Commercial
//
//
// Author(s) : Stephane Tayeb
//
//******************************************************************************
// File Description :
//******************************************************************************
#include <QObject>
#include "Implicit_function_interface.h"
const double radius = 4.;
class Tanglecube_implicit_function :
public QObject,
public Implicit_function_interface
{
Q_OBJECT
Q_INTERFACES(Implicit_function_interface)
Q_PLUGIN_METADATA(IID "com.geometryfactory.Mesh3Demo.Implicit_function_interface/1.0" FILE "tanglecube_implicit_function.json")
public:
virtual QString name() const { return "Tanglecube function"; }
virtual double operator()(double x, double y, double z) const
{
double x2=x*x, y2=y*y, z2=z*z;
double x4=x2*x2, y4=y2*y2, z4=z2*z2;
return x4 - 5*x2 + y4 - 5*y2 + z4 - 5*z2 + 11.8;
}
virtual Bbox bbox() const
{
double r = radius * 1.2;
return Bbox(-r,-r,-r,r,r,r);
}
};
#include "Tanglecube_implicit_function.moc"
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