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// 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_SORT_TRIANGLES_H
#define IGL_SORT_TRIANGLES_H
#include "igl_inline.h"
#include <Eigen/Core>
namespace igl
{
// Inputs:
// V #V by **4** list of homogeneous vertex positions
// F #F by 3 list of triangle indices
// MV 4 by 4 model view matrix
// P 4 by 4 projection matrix
// Outputs:
// FF #F by 3 list of sorted triangles indices
// I #F list of sorted indices
template <
typename DerivedV,
typename DerivedF,
typename DerivedMV,
typename DerivedP,
typename DerivedFF,
typename DerivedI>
IGL_INLINE void sort_triangles(
const Eigen::MatrixBase<DerivedV> & V,
const Eigen::MatrixBase<DerivedF> & F,
const Eigen::MatrixBase<DerivedMV> & MV,
const Eigen::MatrixBase<DerivedP> & P,
Eigen::PlainObjectBase<DerivedFF> & FF,
Eigen::PlainObjectBase<DerivedI> & I);
}
#ifndef IGL_STATIC_LIBRARY
# include "sort_triangles.cpp"
#endif
#endif