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// This file is part of ff3d - http://www.freefem.org/ff3d
// Copyright (C) 2001, 2002, 2003 Stphane Del Pino
// This program 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, or (at your option)
// any later version.
// This program 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 this program; if not, write to the Free Software Foundation,
// Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
// $Id: Cylinder.cpp,v 1.3 2004/02/08 18:44:19 delpinux Exp $
// This class provides a toolkit to manipulate Cylinders. It inherits
// from the Shape class.
#include <Cylinder.hpp>
#include <TinyVector.hpp>
#include <cmath>
//! Copies a Cylinder.
const Cylinder& Cylinder::operator = (const Cylinder& C)
{
__center = C.__c1;
__center = C.__c2;
__center = C.__center;
__radius = C.__radius;
__radius2 = C.__radius2;
__half_height = C.__half_height;
__unaryVector = C.__unaryVector;
__trans = C.__trans;
return *this;
}
//! Copies a Cylinder.
Cylinder::Cylinder()
: Shape(cylinder)
{
;
}
//! Constructs the Cylinder whose axis is defined \a a and \a b, and of radius \a r
Cylinder::Cylinder(const TinyVector<3, real_t>& a,
const TinyVector<3, real_t>& b, const real_t& r)
: Shape(cylinder),
__c1(a), __c2(b),
__center(0.5*(a+b)),
__radius (r),
__radius2(r*r),
__half_height(Norm(__center - __c1)),
__unaryVector(1./(2.*__half_height)*(b-a))
{
;
}
//! Copy constructor.
Cylinder::Cylinder(const Cylinder& C)
: Shape(C),
__c1(C.__c1),
__c2(C.__c2),
__center(C.__center),
__radius(C.__radius),
__radius2(C.__radius2),
__half_height(C.__half_height),
__unaryVector(C.__unaryVector)
{
;
}
//! Prints the definition of the Cylinder in the stream \a s.
std::ostream& Cylinder::put(std::ostream& s) const
{
s << "cylinder {\n" << __c1
<< ", " << __c2 << ", " << __radius << '\n';
for (size_t i=0; i<nbTransform(); i++)
s << (*__trans[i]).povWrite() << '\n';
s << "}\n";
return s;
}
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