47 lines
1.4 KiB
C++
47 lines
1.4 KiB
C++
// This file is part of libigl, a simple c++ geometry processing library.
|
|
//
|
|
// Copyright (C) 2016 Alec Jacobson <alecjacobson@gmail.com>
|
|
//
|
|
// This Source Code Form is subject to the terms of the Mozilla Public License
|
|
// v. 2.0. If a copy of the MPL was not distributed with this file, You can
|
|
// obtain one at http://mozilla.org/MPL/2.0/.
|
|
#ifndef IGL_COPYLEFT_CGAL_SEGMENT_SEGMENT_SQUARED_DISTANCE_H
|
|
#define IGL_COPYLEFT_CGAL_SEGMENT_SEGMENT_SQUARED_DISTANCE_H
|
|
#include "../../igl_inline.h"
|
|
#include <CGAL/Segment_3.h>
|
|
#include <CGAL/Point_3.h>
|
|
namespace igl
|
|
{
|
|
namespace copyleft
|
|
{
|
|
namespace cgal
|
|
{
|
|
// Given two segments S1 and S2 find the points on each of closest
|
|
// approach and the squared distance thereof.
|
|
//
|
|
// Inputs:
|
|
// S1 first segment
|
|
// S2 second segment
|
|
// Outputs:
|
|
// P1 point on S1 closest to S2
|
|
// P2 point on S2 closest to S1
|
|
// d distance betwee P1 and S2
|
|
// Returns true if the closest approach is unique.
|
|
template < typename Kernel>
|
|
IGL_INLINE bool segment_segment_squared_distance(
|
|
const CGAL::Segment_3<Kernel> & S1,
|
|
const CGAL::Segment_3<Kernel> & S2,
|
|
CGAL::Point_3<Kernel> & P1,
|
|
CGAL::Point_3<Kernel> & P2,
|
|
typename Kernel::FT & d
|
|
);
|
|
|
|
}
|
|
}
|
|
}
|
|
#ifndef IGL_STATIC_LIBRARY
|
|
# include "segment_segment_squared_distance.cpp"
|
|
#endif
|
|
|
|
#endif
|