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/** \file smoke/intern/SPHERE.cpp
* \ingroup smoke
*/
//////////////////////////////////////////////////////////////////////
// This file is part of Wavelet Turbulence.
//
// Wavelet Turbulence 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 3 of the License, or
// (at your option) any later version.
//
// Wavelet Turbulence 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 Wavelet Turbulence. If not, see <http://www.gnu.org/licenses/>.
//
// Copyright 2008 Theodore Kim and Nils Thuerey
//
// SPHERE.cpp: implementation of the SPHERE class.
//
//////////////////////////////////////////////////////////////////////
#include "SPHERE.h"
//////////////////////////////////////////////////////////////////////
// Construction/Destruction
//////////////////////////////////////////////////////////////////////
SPHERE::SPHERE(float x, float y, float z, float radius) :
_radius(radius)
{
_center[0] = x;
_center[1] = y;
_center[2] = z;
}
SPHERE::~SPHERE()
{
}
bool SPHERE::inside(float x, float y, float z)
{
float translate[] = {x - _center[0], y - _center[1], z - _center[2]};
float magnitude = translate[0] * translate[0] +
translate[1] * translate[1] +
translate[2] * translate[2];
return (magnitude < _radius * _radius) ? true : false;
}
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