define(() => {
	'use strict';

	return class Random {
		// xorshift+ 64-bit random generator
		// https://en.wikipedia.org/wiki/Xorshift

		constructor() {
			this.s = new Uint32Array(4);
		}

		reset() {
			// Arbitrary random seed with roughly balanced 1s / 0s
			// (taken from running Math.random a few times)
			this.s[0] = 0x177E9C74;
			this.s[1] = 0xAE6FFDCE;
			this.s[2] = 0x3CF4F32B;
			this.s[3] = 0x46449F88;
		}

		nextFloat() {
			/* jshint -W016 */ // bit-operations are part of the algorithm
			const range = 0x100000000;
			let x0 = this.s[0];
			let x1 = this.s[1];
			const y0 = this.s[2];
			const y1 = this.s[3];
			this.s[0] = y0;
			this.s[1] = y1;
			x0 ^= (x0 << 23) | (x1 >>> 9);
			x1 ^= (x1 << 23);
			this.s[2] = x0 ^ y0 ^ (x0 >>> 17) ^ (y0 >>> 26);
			this.s[3] = (
				x1 ^ y1 ^
				(x0 << 15 | x1 >>> 17) ^
				(y0 << 6 | y1 >>> 26)
			);
			return (((this.s[3] + y1) >>> 0) % range) / range;
		}
	};
});