fix documentation for group.align -- row and column were swapped

Author: deargle

src/core/Group.js

@@ -705,7 +705,7 @@ Phaser.Group.prototype.updateZ = function () {
 *
 * `Group.align(-1, 8, 32, 32)`
 *
-* ... will align the children so that there are 8 columns vertically (the second argument), 
+* ... will align the children so that there are 8 rows vertically (the second argument), 
 * and each row will contain 6 sprites, except the last one, which will contain 5 (totaling 48)
 *
 * You can also do:
@@ -723,26 +723,26 @@ Phaser.Group.prototype.updateZ = function () {
 * The final argument; `offset` lets you start the alignment from a specific child index.
 *
 * @method Phaser.Group#align
-* @param {integer} rows - The number of rows, or width, of the grid. Set to -1 for a dynamic width.
-* @param {integer} columns - The number of columns, or height, of the grid. Set to -1 for a dynamic height.
+* @param {integer} columns - The number of columns, or width, of the grid. Set to -1 for a dynamic width.
+* @param {integer} rows - The number of rows, or height, of the grid. Set to -1 for a dynamic height.
 * @param {integer} cellWidth - The width of each grid cell, in pixels.
 * @param {integer} cellHeight - The height of each grid cell, in pixels.
 * @param {integer} [position] - The position constant. One of `Phaser.TOP_LEFT` (default), `Phaser.TOP_CENTER`, `Phaser.TOP_RIGHT`, `Phaser.LEFT_CENTER`, `Phaser.CENTER`, `Phaser.RIGHT_CENTER`, `Phaser.BOTTOM_LEFT`, `Phaser.BOTTOM_CENTER` or `Phaser.BOTTOM_RIGHT`.
 * @param {integer} [offset=0] - Optional index to start the alignment from. Defaults to zero, the first child in the Group, but can be set to any valid child index value.
 */
-Phaser.Group.prototype.align = function (rows, columns, cellWidth, cellHeight, position, offset) {
+Phaser.Group.prototype.align = function (columns, rows, cellWidth, cellHeight, position, offset) {
 
     if (position === undefined) { position = Phaser.TOP_LEFT; }
     if (offset === undefined) { offset = 0; }
 
-    if (this.children.length === 0 || offset > this.children.length || (rows === -1 && columns === -1))
+    if (this.children.length === 0 || offset > this.children.length || (columns === -1 && rows === -1))
     {
         return;
     }
 
     var r = new Phaser.Rectangle(0, 0, cellWidth, cellHeight);
-    var w = (rows * cellWidth);
-    var h = (columns * cellHeight);
+    var w = (columns * cellWidth);
+    var h = (rows * cellHeight);
 
     for (var i = offset; i < this.children.length; i++)
     {
@@ -757,7 +757,7 @@ Phaser.Group.prototype.align = function (rows, columns, cellWidth, cellHeight, p
             continue;
         }
 
-        if (rows === -1)
+        if (columns === -1)
         {
             //  We keep laying them out horizontally until we've done them all
             r.y += cellHeight;
@@ -768,7 +768,7 @@ Phaser.Group.prototype.align = function (rows, columns, cellWidth, cellHeight, p
                 r.y = 0;
             }
         }
-        else if (columns === -1)
+        else if (rows === -1)
         {
             //  We keep laying them out vertically until we've done them all
             r.x += cellWidth;