dust3d/third_party/libigl/include/igl/is_planar.cpp

19 lines
587 B
C++

// This file is part of libigl, a simple c++ geometry processing library.
//
// Copyright (C) 2014 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/.
#include "is_planar.h"
IGL_INLINE bool igl::is_planar(const Eigen::MatrixXd & V)
{
if(V.size() == 0) return false;
if(V.cols() == 2) return true;
for(int i = 0;i<V.rows();i++)
{
if(V(i,2) != 0) return false;
}
return true;
}