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aabb_primitive.hh
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Thu, Dec 5, 03:55

aabb_primitive.hh
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/**
* Copyright (©) 2015-2023 EPFL (Ecole Polytechnique Fédérale de Lausanne)
* Laboratory (LSMS - Laboratoire de Simulation en Mécanique des Solides)
*
* This file is part of Akantu
*
* Akantu 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 3 of the License, or (at your option) any
* later version.
*
* Akantu 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 Akantu. If not, see <http://www.gnu.org/licenses/>.
*/
/* -------------------------------------------------------------------------- */
#ifndef AKANTU_AABB_PRIMITIVE_HH_
#define AKANTU_AABB_PRIMITIVE_HH_
#include "aka_common.hh"
#include "line_arc.hh"
#include "tetrahedron.hh"
#include "triangle.hh"
#include "mesh_geom_common.hh"
namespace akantu {
/**
* This macro defines a class that is used in the CGAL AABB tree algorithm.
* All the `typedef`s and methods are required by the AABB module.
*
* The member variables are
* - the id of the element associated to the primitive
* - the geometric primitive of the element
*
* @param name the name of the primitive type
* @param kernel the name of the kernel used
*/
#define AKANTU_AABB_CLASS(name, kernel) \
class name##_primitive { \
using Iterator = std::list<name<kernel>>::iterator; /* NOLINT */ \
\
public: \
using Id = UInt; \
using Point = kernel::Point_3; \
using Datum = kernel::name##_3; \
\
public: \
name##_primitive() = default; \
name##_primitive(Iterator it) : meshId(it->id()), primitive(*it) {} \
\
public: \
const Datum & datum() const { return primitive; } \
Point reference_point() const; \
const Id & id() const { return meshId; } \
\
protected: \
Id meshId{0}; \
name<kernel> primitive; /* NOLINT */ \
}
// If the primitive is supported by CGAL::intersection() then the
// implementation process is really easy with this macro
AKANTU_AABB_CLASS(Triangle, cgal::Cartesian);
AKANTU_AABB_CLASS(Line_arc, cgal::Spherical);
#undef AKANTU_AABB_CLASS
} // namespace akantu
#endif // AKANTU_AABB_PRIMITIVE_HH_

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