dust3d/third_party/libigl/include/igl/line_segment_in_rectangle.h

34 lines
1.0 KiB
C++

// This file is part of libigl, a simple c++ geometry processing library.
//
// Copyright (C) 2013 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_LINE_SEGMENT_IN_RECTANGLE_H
#define IGL_LINE_SEGMENT_IN_RECTANGLE_H
#include "igl_inline.h"
#include <Eigen/Core>
namespace igl
{
// Determine whether a line segment overlaps with a rectangle.
//
// Inputs:
// s source point of line segment
// d dest point of line segment
// A first corner of rectangle
// B opposite corner of rectangle
// Returns true if line segment is at all inside rectangle
IGL_INLINE bool line_segment_in_rectangle(
const Eigen::Vector2d & s,
const Eigen::Vector2d & d,
const Eigen::Vector2d & A,
const Eigen::Vector2d & B);
}
#ifndef IGL_STATIC_LIBRARY
# include "line_segment_in_rectangle.cpp"
#endif
#endif