uce/site/doc/pages/gen_noise64.txt

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:sig
u32 noise64(u64 index, u64 seed = 0)
:params
index : index position
seed : seed set (defaults to 0)
return value : a noise value given the 'index' and 'seed' values.
:see
>noise
:content
Generates a deterministic 64-bit-indexed noise value for the given `index` and `seed`.
## Related Concepts
- PHP: no built-in equivalent; closest matches are userland noise or deterministic pseudo-random helpers
- JavaScript / Node.js: no built-in browser equivalent; closest matches are userland noise libraries or deterministic PRNG helpers