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update bundled_deps

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QIDI TECH
2024-11-09 14:05:44 +08:00
parent 17c9bfd127
commit cfc606fea9
1662 changed files with 710 additions and 168 deletions
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39
bundled_deps/libigl/igl/quad_planarity.cpp Normal file
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// This file is part of libigl, a simple c++ geometry processing library.
//
// Copyright (C) 2015 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 "quad_planarity.h"
#include <Eigen/Geometry>
template <typename DerivedV, typename DerivedF, typename DerivedP>
IGL_INLINE void igl::quad_planarity(
const Eigen::PlainObjectBase<DerivedV>& V,
const Eigen::PlainObjectBase<DerivedF>& F,
Eigen::PlainObjectBase<DerivedP> & P)
{
int nf = F.rows();
P.setZero(nf,1);
for (int i =0; i<nf; ++i)
{
const Eigen::Matrix<typename DerivedV::Scalar,1,3> &v1 = V.row(F(i,0));
const Eigen::Matrix<typename DerivedV::Scalar,1,3> &v2 = V.row(F(i,1));
const Eigen::Matrix<typename DerivedV::Scalar,1,3> &v3 = V.row(F(i,2));
const Eigen::Matrix<typename DerivedV::Scalar,1,3> &v4 = V.row(F(i,3));
Eigen::Matrix<typename DerivedV::Scalar,1,3> diagCross=(v3-v1).cross(v4-v2);
typename DerivedV::Scalar denom =
diagCross.norm()*(((v3-v1).norm()+(v4-v2).norm())/2);
if (fabs(denom)<1e-8)
//degenerate quad is still planar
P[i] = 0;
else
P[i] = (diagCross.dot(v2-v1)/denom);
}
}
#ifdef IGL_STATIC_LIBRARY
// Explicit template instantiation
template void igl::quad_planarity<Eigen::Matrix<double, -1, -1, 0, -1, -1>, Eigen::Matrix<int, -1, -1, 0, -1, -1>, Eigen::Matrix<double, -1, 1, 0, -1, 1> >(Eigen::PlainObjectBase<Eigen::Matrix<double, -1, -1, 0, -1, -1> > const&, Eigen::PlainObjectBase<Eigen::Matrix<int, -1, -1, 0, -1, -1> > const&, Eigen::PlainObjectBase<Eigen::Matrix<double, -1, 1, 0, -1, 1> >&);
#endif