27 lines
827 B
C++
27 lines
827 B
C++
|
#ifndef SPACEFILLING_H
|
||
|
|
#define SPACEFILLING_H
|
||
|
|
|
||
|
|
#include <cstdint>
|
||
|
|
|
||
|
|
// http://and-what-happened.blogspot.com/2011/08/fast-2d-and-3d-hilbert-curves-and.html
|
||
|
|
namespace SpaceFilling
|
||
|
|
{
|
||
|
|
uint32_t MortonToHilbert3D(const uint32_t morton, const uint32_t bits);
|
||
|
|
|
||
|
|
uint32_t HilbertToMorton3D(const uint32_t hilbert, const uint32_t bits);
|
||
|
|
|
||
|
|
uint32_t Morton_3D_Encode_5bit(uint32_t index1, uint32_t index2, uint32_t index3);
|
||
|
|
|
||
|
|
void Morton_3D_Decode_5bit(const uint32_t morton,
|
||
|
|
uint32_t &index1, uint32_t &index2, uint32_t &index3);
|
||
|
|
|
||
|
|
uint32_t Morton_3D_Encode_10bit(uint32_t index1, uint32_t index2, uint32_t index3);
|
||
|
|
|
||
|
|
void Morton_3D_Decode_10bit(const uint32_t morton,
|
||
|
|
uint32_t &index1, uint32_t &index2, uint32_t &index3);
|
||
|
|
|
||
|
|
void initLUT();
|
||
|
|
};
|
||
|
|
|
||
|
|
#endif
|