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Class: SeededRng

Defined in: apps/paracosm/src/engine/core/rng.ts:5

Mulberry32 — fast 32-bit seeded PRNG. Deterministic: same seed always produces same sequence.

Constructors​

Constructor​

new SeededRng(seed): SeededRng

Defined in: apps/paracosm/src/engine/core/rng.ts:8

Parameters​

seed​

number

Returns​

SeededRng

Methods​

chance()​

chance(probability): boolean

Defined in: apps/paracosm/src/engine/core/rng.ts:26

Returns true with the given probability (0-1).

Parameters​

probability​

number

Returns​

boolean

int()​

int(min, max): number

Defined in: apps/paracosm/src/engine/core/rng.ts:21

Returns an integer in [min, max] inclusive.

Parameters​

min​

number

max​

number

Returns​

number

next()​

next(): number

Defined in: apps/paracosm/src/engine/core/rng.ts:13

Returns a float in [0, 1).

Returns​

number

pick()​

pick<T>(arr): T

Defined in: apps/paracosm/src/engine/core/rng.ts:31

Picks a random element from an array.

Type Parameters​

T​

T

Parameters​

arr​

readonly T[]

Returns​

T

turnSeed()​

turnSeed(turn): SeededRng

Defined in: apps/paracosm/src/engine/core/rng.ts:36

Derives a child RNG for a specific turn (deterministic sub-stream).

Parameters​

turn​

number

Returns​

SeededRng