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48 lines
1.7 KiB
C++
48 lines
1.7 KiB
C++
/*
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* This program source code file is part of KiCad, a free EDA CAD application.
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*
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* Copyright (C) 2015-2016 Mario Luzeiro <mrluzeiro@ua.pt>
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* Copyright (C) 1992-2016 KiCad Developers, see AUTHORS.txt for contributors.
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation; either version 2
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* of the License, or (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, you may find one here:
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* http://www.gnu.org/licenses/old-licenses/gpl-2.0.html
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* or you may search the http://www.gnu.org website for the version 2 license,
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* or you may write to the Free Software Foundation, Inc.,
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* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA
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*/
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/**
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* @file mortoncodes.h
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* @brief Implements Morton Codes
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* https://fgiesen.wordpress.com/2009/12/13/decoding-morton-codes/
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* http://www.forceflow.be/2013/10/07/morton-encodingdecoding-through-bit-interleaving-implementations/
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*/
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#ifndef _MORTONCODES_H_
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#define _MORTONCODES_H_
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#include <cstdint>
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uint32_t EncodeMorton2( uint32_t x, uint32_t y );
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uint32_t EncodeMorton3( uint32_t x, uint32_t y, uint32_t z );
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uint32_t DecodeMorton2X( uint32_t code );
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uint32_t DecodeMorton2Y( uint32_t code );
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uint32_t DecodeMorton3X( uint32_t code );
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uint32_t DecodeMorton3Y( uint32_t code );
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uint32_t DecodeMorton3Z( uint32_t code );
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#endif // _MORTONCODES_H_
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