PseudoRNG

pseudoRNG.js

class LinearRadGen{
  constructor(seed) {
    this.a = 1103515245;
    this.c = 12345;
    this.m = Math.pow(2,32);
    this.seed = seed;
  }

  next() {
    this.seed = (this.a * this.seed + this.c) % this.m;
    return this.seed / this.m;
  }
}

const seed = Date.now();
const rng = new LinearRadGen(seed);

console.log(rng.next());
console.log(rng.next());