aabb.C

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/*
 *
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 *              ##   ##  ##   ##  ####    ####    ##  #  ##
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 *
 *
 *             OOFEM : Object Oriented Finite Element Code
 *
 *               Copyright (C) 1993 - 2025   Borek Patzak
 *
 *
 *
 *       Czech Technical University, Faculty of Civil Engineering,
 *   Department of Structural Mechanics, 166 29 Prague, Czech Republic
 *
 *  This library is free software; you can redistribute it and/or
 *  modify it under the terms of the GNU Lesser General Public
 *  License as published by the Free Software Foundation; either
 *  version 2.1 of the License, 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
 *  Lesser General Public License for more details.
 *
 *  You should have received a copy of the GNU Lesser General Public
 *  License along with this library; if not, write to the Free Software
 *  Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA
 */
 
#include "aabb.h"
#include <stdexcept>
 
namespace oofem {
 
Vector :: Vector() : Vector(0.0, 0.0, 0.0)
{
}
 
Vector :: Vector(double x, double y, double z) : x(x), y(y), z(z)
{
}
 
double
Vector :: operator[](int index) const {
    if (index == 0) return this->x;
    if (index == 1) return this->y;
    if (index == 2) return this->z;
    throw std::out_of_range("Index out of range for Vector");
}
 
AABB :: AABB(const Vector& min, const Vector& max)
{
    this->min = min;
    this->max = max;
}
 
bool
AABB :: contains(const Vector& v)
{
    return (
        this->min.x <= v.x
        &&
        v.x <= this->max.x
        &&
        this->min.y <= v.y
        &&
        v.y <= this->max.y
        &&
        this->min.z <= v.z
        &&
        v.z <= this->max.z
    );
}
 
bool
AABB :: contains(double x, double y, double z)
{
    return this->contains(Vector(x, y, z));
}
 
void
AABB :: merge(double x, double y, double z)
{
    this->merge(Vector(x, y, z));
}
 
void
AABB :: merge(const Vector& v)
{
    if (v.x < this->min.x) this->min.x = v.x;
    if (v.y < this->min.y) this->min.y = v.y;
    if (v.z < this->min.z) this->min.z = v.z;
    if (v.x > this->max.x) this->max.x = v.x;
    if (v.y > this->max.y) this->max.y = v.y;
    if (v.z > this->max.z) this->max.z = v.z;
}
 
} // end namespace oofem