Fix for AxisAlignedBoundingBox clone method

CHANGES.md

@@ -1,6 +1,11 @@
 Change Log
 ==========
 
+### 1.43 - 2018-03-01
+
+##### Fixes :wrench:
+* Fixed bug where AxisAlignedBoundingBox did not copy over center value when cloning an undefined result. [#6183](https:/AnalyticalGraphicsInc/cesium/pull/6183)
+
 ### 1.42.1 - 2018-02-01
 _This is an npm-only release to fix an issue with using Cesium in Node.js.__
 * Fixed a bug where Cesium would fail to load under Node.js. [#6177](https:/AnalyticalGraphicsInc/cesium/pull/6177)

Source/Core/AxisAlignedBoundingBox.js

@@ -130,7 +130,7 @@ define([
  }
 
  if (!defined(result)) {
- return new AxisAlignedBoundingBox(box.minimum, box.maximum);
+ return new AxisAlignedBoundingBox(box.minimum, box.maximum, box.center);
  }
 
  result.minimum = Cartesian3.clone(box.minimum, result.minimum);

Specs/Core/AxisAlignedBoundingBoxSpec.js

@@ -79,6 +79,13 @@ defineSuite([
  expect(box).toEqual(result);
  });
 
+ it('clone without a result parameter with box of offset center', function() {
+ var box = new AxisAlignedBoundingBox(Cartesian3.UNIT_Y, Cartesian3.UNIT_X, Cartesian3.UNIT_Z);
+ var result = box.clone();
+ expect(box).not.toBe(result);
+ expect(box).toEqual(result);
+ });
+
  it('clone with a result parameter', function() {
  var box = new AxisAlignedBoundingBox(Cartesian3.UNIT_Y, Cartesian3.UNIT_X);
  var result = new AxisAlignedBoundingBox(Cartesian3.ZERO, Cartesian3.UNIT_Z);