26 lines
784 B
JavaScript
26 lines
784 B
JavaScript
"use strict";
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var _interopRequireDefault = require("@babel/runtime/helpers/interopRequireDefault");
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Object.defineProperty(exports, "__esModule", {
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value: true
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});
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exports.createRng = createRng;
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var _seedrandom = _interopRequireDefault(require("seedrandom"));
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const singletonRandom = /* #__PURE__ */(0, _seedrandom.default)(Date.now());
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function createRng(randomSeed) {
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let random;
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// create a new random generator with given seed
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function setSeed(seed) {
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random = seed === null ? singletonRandom : (0, _seedrandom.default)(String(seed));
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}
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// initialize a seeded pseudo random number generator with config's random seed
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setSeed(randomSeed);
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// wrapper function so the rng can be updated via generator
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function rng() {
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return random();
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}
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return rng;
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} |