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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/.
#ifndef IGL_ORTHO_H
#define IGL_ORTHO_H
#include "igl_inline.h"
#include <Eigen/Dense>
namespace igl
{
/// Implementation of the deprecated glOrtho function.
///
/// @param[in] left coordinate of left vertical clipping plane
/// @param[in] right coordinate of right vertical clipping plane
/// @param[in] bottom coordinate of bottom vertical clipping plane
/// @param[in] top coordinate of top vertical clipping plane
/// @param[in] nearVal distance to near plane
/// @param[in] farVal distance to far plane
/// @param[out] P 4x4 perspective matrix
template < typename DerivedP>
IGL_INLINE void ortho(
const typename DerivedP::Scalar left,
const typename DerivedP::Scalar right,
const typename DerivedP::Scalar bottom,
const typename DerivedP::Scalar top,
const typename DerivedP::Scalar nearVal,
const typename DerivedP::Scalar farVal,
Eigen::PlainObjectBase<DerivedP> & P);
}
#ifndef IGL_STATIC_LIBRARY
# include "ortho.cpp"
#endif
#endif