Merge pull request #8291 from izmhr/master

create new typescript definitions file for xixixao/noisejs

noisejs/noisejs-tests.ts

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+/// <reference path="noisejs.d.ts"/>
+
+var noise = new Noise(Math.random());
+
+var simplex2_noise_val = noise.simplex2(0.1, 0.2);
+var simplex3_noise_val = noise.simplex3(0.1, 0.2, 0.3);
+var perlin2_noise_val = noise.perlin2(0.1, 0.2);
+var perlin3_noise_val = noise.perlin3(0.1, 0.2, 0.3);
+
+noise.seed(Math.random());

noisejs/noisejs.d.ts

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+// Type definitions for noisejs
+// Project: https://github.com/xixixao/noisejs
+// Definitions by: Atsushi Izumihara <https://github.com/izmhr>
+// Definitions: https://github.com/borisyankov/DefinitelyTyped
+
+declare class Noise {
+  /**
+   * Passing in seed will seed this Noise instance
+   * @param  {number} seed
+   * @return {Noise}       Noise instance
+   */
+  constructor(seed?: number);
+
+  /**
+   * 2D simplex noise
+   * @param  {number} x
+   * @param  {number} y
+   * @return {number} noise value
+   */
+  simplex2(x: number, y: number): number;
+
+  /**
+   * 3D simplex noise
+   * @param  {number} x
+   * @param  {number} y
+   * @param  {number} z
+   * @return {number} noise value
+   */
+  simplex3(x: number, y: number, z: number): number;
+
+  /**
+   * 2D Perlin Noise
+   * @param  {number} x
+   * @param  {number} y
+   * @return {number} noise value
+   */
+  perlin2(x: number, y: number): number;
+
+  /**
+   * 3D Perlin Noise
+   * @param  {number} x
+   * @param  {number} y
+   * @param  {number} z
+   * @return {number} noise value
+   */
+  perlin3(x: number, y: number, z: number): number;
+
+  /**
+   * This isn't a very good seeding function, but it works ok. It supports 2^16
+   * different seed values. Write something better if you need more seeds.
+   * @param {number} seed [description]
+   */
+  seed(seed: number): void;
+}
+
+declare module "noisejs" {
+  export = Noise;
+}