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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.

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Richard Davey 2016-06-29 02:08:42 +01:00
parent 1f570b49e8
commit fdcbb9229b
3 changed files with 23 additions and 2 deletions
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1
README.md
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@ -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

23
src/utils/ArrayUtils.js
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@ -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.
* @return {any} The shifted value.
* @param {any[]} array - The array to rotate. The array is modified.
* @return {any} The rotated value.
*/
rotate: function (array) {

1
typescript/phaser.d.ts vendored
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@ -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[];