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17 lines
364 B
JavaScript

export function randomSeed() {
return Math.floor(Math.random() * 2 ** 31);
}
export class Random {
constructor(seed) {
this.seed = seed;
}
next() {
if (this.seed) {
return ((2 ** 31 - 1) & (this.seed = Math.imul(48271, this.seed))) / 2 ** 31;
}
else {
return Math.random();
}
}
}