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// Begin License:
// Copyright (C) 2006-2014 Tobias Sargeant (tobias.sargeant@gmail.com).
// All rights reserved.
//
// This file is part of the Carve CSG Library (http://carve-csg.com/)
//
// This file may be used under the terms of either the GNU General
// Public License version 2 or 3 (at your option) as published by the
// Free Software Foundation and appearing in the files LICENSE.GPL2
// and LICENSE.GPL3 included in the packaging of this file.
//
// This file is provided "AS IS" with NO WARRANTY OF ANY KIND,
// INCLUDING THE WARRANTIES OF DESIGN, MERCHANTABILITY AND FITNESS FOR
// A PARTICULAR PURPOSE.
// End:
#pragma once
#include <carve/carve.hpp>
#include <carve/geom.hpp>
namespace carve {
namespace geom {
enum TriangleIntType {
TR_TYPE_NONE = 0,
TR_TYPE_TOUCH = 1,
TR_TYPE_INT = 2
};
enum TriangleInt {
TR_INT_NONE = 0, // no intersection.
TR_INT_INT = 1, // intersection.
TR_INT_VERT = 2, // intersection due to shared vertex.
TR_INT_EDGE = 3, // intersection due to shared edge.
TR_INT_TRI = 4 // intersection due to identical triangle.
};
TriangleInt triangle_intersection(const vector<2> tri_a[3], const vector<2> tri_b[3]);
TriangleInt triangle_intersection(const vector<3> tri_a[3], const vector<3> tri_b[3]);
bool triangle_intersection_simple(const vector<2> tri_a[3], const vector<2> tri_b[3]);
bool triangle_intersection_simple(const vector<3> tri_a[3], const vector<3> tri_b[3]);
TriangleIntType triangle_intersection_exact(const vector<2> tri_a[3], const vector<2> tri_b[3]);
TriangleIntType triangle_intersection_exact(const vector<3> tri_a[3], const vector<3> tri_b[3]);
TriangleIntType triangle_linesegment_intersection_exact(const vector<2> tri_a[3], const vector<2> line_b[2]);
TriangleIntType triangle_point_intersection_exact(const vector<2> tri_a[3], const vector<2> &pt_b);
}
}
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