@moderrkowo/jsgl/dist/utils/noise/Noise.js

Client-side JavaScript library for creating web 2D games. Focusing at objective game.

"use strict";
Object.defineProperty(exports, "__esModule", { value: true });
exports.noise = void 0;
function hash32shift(key) {
    key = ~key + (key << 15); // key = (key << 15) - key - 1;
    key = key ^ (key >>> 12);
    key = key + (key << 2);
    key = key ^ (key >>> 4);
    key = key * 2057; // key = (key + (key << 3)) + (key << 11);
    key = key ^ (key >>> 16);
    return key;
}
function noise(x, y, seed) {
    return hash32shift(seed + hash32shift(x + hash32shift(y)));
}
exports.noise = noise;