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