Utils.Array.MoveUp wouldn't let you move an array element to the top-most index in the array. This also impacted Container.moveUp.

Author: photonstorm

CHANGELOG.md

@@ -135,6 +135,7 @@
 * The Particle Emitter no longer needs to call the StableSort.inplace during its preUpdate, saving cpu.
 * `Particle.resetPosition` is a new method that is called when a particle dies, preparing it ready for firing again in the future.
 * The Canvas `SetTransform` method would save the context state, but it wasn't restored at the end in the following Game Objects: Dynamic Bitmap Text, Graphics, Arc, Curve, Ellipse, Grid, IsoBox, IsoTriangle, Line, Polygon, Rectangle, Star and Triangle. These now all restore the context, meaning if you're using non-canvas sized cameras in Canvas mode, it will now render beyond just the first custom camera.
+* `Utils.Array.MoveUp` wouldn't let you move an array element to the top-most index in the array. This also impacted `Container.moveUp`.
 
 ### Examples and TypeScript
 

src/utils/array/MoveUp.js

@@ -20,10 +20,10 @@ var MoveUp = function (array, item)
 {
     var currentIndex = array.indexOf(item);
 
-    if (currentIndex !== -1 && currentIndex < array.length - 2)
+    if (currentIndex !== -1 && currentIndex < array.length - 1)
     {
+        //  The element one above `item` in the array
         var item2 = array[currentIndex + 1];
-
         var index2 = array.indexOf(item2);
 
         array[currentIndex] = item2;