If you don't mind worse order-preserving behavior, you can use z-order curves. Encoding and decoding coordinates can then be done by (de)interlacing the bits of

If you don't mind worse order-preserving behavior, you can use z-order curves. Encoding and decoding coordinates can then be done by (de)interlacing the bits of (X,Y), which is quite simple: https://fgiesen.wordpress.com/2009/12/13/decoding-morton-codes/ https://fgiesen.wordpress.com/2009/12/13/decoding-morton-cod...