@thi.ng/grid-iterators/random.js

2D grid and shape iterators w/ multiple orderings

import { shuffle } from "@thi.ng/arrays/shuffle";
import { SYSTEM } from "@thi.ng/random/system";
import { range } from "@thi.ng/transducers/range";
import { __opts } from "./utils.js";
function* random2d(opts) {
  const { cols, rows, tx } = __opts(opts);
  const rnd = opts.rnd || SYSTEM;
  for (let i of shuffle([...range(cols * rows)], void 0, rnd)) {
    yield tx(i % cols, i / cols | 0);
  }
}
export {
  random2d
};