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54 lines
1.8 KiB
54 lines
1.8 KiB
1 year ago
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// This file is part of libigl, a simple c++ geometry processing library.
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//
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// Copyright (C) 2022 Vladimir S. FONOV <vladimir.fonov@gmail.com>
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//
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// This Source Code Form is subject to the terms of the Mozilla Public License
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// v. 2.0. If a copy of the MPL was not distributed with this file, You can
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// obtain one at http://mozilla.org/MPL/2.0/
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#pragma once
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#ifndef FAST_FIND_SELF_INTERSECTIONS_H
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#define FAST_FIND_SELF_INTERSECTIONS_H
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#include "igl_inline.h"
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#include <Eigen/Core>
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namespace igl
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{
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/// Identify triangles where two meshes interesect
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/// using AABBTree and tri_tri_intersection_test_3d.
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///
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/// @param[in] V #V by 3 list representing vertices on the first mesh
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/// @param[in] F #F by 3 list representing triangles on the first mesh
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/// @param[out] IF #IF by 2 list of intersecting triangle pairs, so that
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/// F1(IF(i,0),:) intersects F2(IF(i,1),:)
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/// @param[out] EV #EV by 3 list of vertices definining intersection segments
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/// for non-coplanar intersections
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/// @param[out] EE #EE by 2 list of edges indices into rows of EV
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/// @param[out] EI #EI by 1 list of indices into rows IF indicating source of
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/// intersection.
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///
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/// \see copyleft::cgal::SelfIntersectMesh
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template <
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typename DerivedV,
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typename DerivedF,
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typename DerivedIF,
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typename DerivedEV,
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typename DerivedEE,
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typename DerivedEI>
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IGL_INLINE bool fast_find_self_intersections(
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const Eigen::MatrixBase<DerivedV> & V,
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const Eigen::MatrixBase<DerivedF> & F,
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const bool detect_only,
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const bool first_only,
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Eigen::PlainObjectBase<DerivedIF> & IF,
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Eigen::PlainObjectBase<DerivedEV> & EV,
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Eigen::PlainObjectBase<DerivedEE> & EE,
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Eigen::PlainObjectBase<DerivedEI> & EI);
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};
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#ifndef IGL_STATIC_LIBRARY
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# include "fast_find_self_intersections.cpp"
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#endif
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#endif
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