43 lines
1.3 KiB
C++
43 lines
1.3 KiB
C++
// This file is part of libigl, a simple c++ geometry processing library.
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//
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// Copyright (C) 2015 Alec Jacobson <alecjacobson@gmail.com>
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//
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// This Source Code Form is subject to the terms of the Mozilla Public License
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// v. 2.0. If a copy of the MPL was not distributed with this file, You can
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// obtain one at http://mozilla.org/MPL/2.0/.
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#ifndef IGL_ORTHO_H
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#define IGL_ORTHO_H
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#include "igl_inline.h"
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#include <Eigen/Dense>
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namespace igl
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{
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// Implementation of the deprecated glOrtho function.
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//
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// Inputs:
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// left coordinate of left vertical clipping plane
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// right coordinate of right vertical clipping plane
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// bottom coordinate of bottom vertical clipping plane
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// top coordinate of top vertical clipping plane
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// nearVal distance to near plane
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// farVal distance to far plane
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// Outputs:
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// P 4x4 perspective matrix
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template < typename DerivedP>
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IGL_INLINE void ortho(
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const typename DerivedP::Scalar left,
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const typename DerivedP::Scalar right,
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const typename DerivedP::Scalar bottom,
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const typename DerivedP::Scalar top,
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const typename DerivedP::Scalar nearVal,
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const typename DerivedP::Scalar farVal,
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Eigen::PlainObjectBase<DerivedP> & P);
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}
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#ifndef IGL_STATIC_LIBRARY
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# include "ortho.cpp"
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#endif
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#endif
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