Phaser.ArrayUtils.shift is the opposite of ArrayUtils.rotate. It takes an array, removes the element from the end of the array, and inserts it at the start, shifting everything else 1 space in the process.

README.md

@@ -322,6 +322,7 @@ You can read all about the philosophy behind Lazer [here](http://phaser.io/news/
 * The Loader has a new property `headers`. This is an object checked by XHR Requests, used to set the Request Header of certain file types. JSON and XML are pre-configured, but you can add to, or modify this property as required (thanks @stoneman1 #2585 #2485)
 * Phaser now has support for Typings, the TypeScript Definition Manager. See the `typescript/readme.md` file for installation instructions (thanks @monagames #2576)
 * Phaser.Utils.reverseString will take the given string, reverse it, and then return it.
+* Phaser.ArrayUtils.shift is the opposite of ArrayUtils.rotate. It takes an array, removes the element from the end of the array, and inserts it at the start, shifting everything else 1 space in the process.
 
 ### Updates
 

src/utils/ArrayUtils.js

@@ -192,13 +192,32 @@ Phaser.ArrayUtils = {
 
     },
 
+    /**
+    * Moves the element from the end of the array to the start, shifting all items in the process.
+    * The "rotation" happens to the right.
+    * See also Phaser.ArrayUtils.rotate.
+    *
+    * @method Phaser.ArrayUtils.shift
+    * @param {any[]} array - The array to shift. The array is modified.
+    * @return {any} The shifted value.
+    */
+    shift: function (array) {
+
+        var s = array.pop();
+        array.unshift(s);
+
+        return s;
+
+    },
+
     /**
     * Moves the element from the start of the array to the end, shifting all items in the process.
     * The "rotation" happens to the left.
+    * See also Phaser.ArrayUtils.shift.
     *
     * @method Phaser.ArrayUtils.rotate
-    * @param {any[]} array - The array to shift/rotate. The array is modified.
+    * @param {any[]} array - The array to rotate. The array is modified.
-    * @return {any} The shifted value.
+    * @return {any} The rotated value.
     */
     rotate: function (array) {
 

typescript/phaser.d.ts

@@ -224,6 +224,7 @@ declare module Phaser {
         static rotateMatrix(matrix: any, direction: number | string): any;
         static findClosest(value: number, arr: number[]): number;
         static rotate(array: any[]): any;
+        static shift(array: any[]): any;
         static numberArray(start: number, end: number): number[];
         static numberArrayStep(start: number, end?: number, step?: number): number[];