Merge pull request phaserjs#3163 from Antriel/master

Fixed few rectangle methods.

Author: photonstorm

src/geom/rectangle/FitOutside.js

@@ -27,12 +27,12 @@ var FitOutside = function (target, source)
     else
     {
         //  Taller than Wide
-        target.setSize(source.width, source.width * ratio);
+        target.setSize(source.width, source.width / ratio);
     }
 
     return target.setPosition(
-        (source.right / 2) - target.width / 2,
-        (source.bottom / 2) - target.height / 2
+        source.centerX - target.width / 2,
+        source.centerY - target.height / 2
     );
 };
 

src/geom/rectangle/GetCenter.js

@@ -1,6 +1,6 @@
 var Point = require('../point/Point');
 
-//  The center of the Rectangle object, expressed as a Point object 
+//  The center of the Rectangle object, expressed as a Point object
 
 /**
  * [description]
@@ -17,8 +17,8 @@ var GetCenter = function (rect, out)
 {
     if (out === undefined) { out = new Point(); }
 
-    out.x = rect.right / 2;
-    out.y = rect.bottom / 2;
+    out.x = rect.centerX;
+    out.y = rect.centerY;
 
     return out;
 };

src/geom/rectangle/Union.js

@@ -19,7 +19,7 @@ var Union = function (rectA, rectB, out)
     var x = Math.min(rectA.x, rectB.x);
     var y = Math.min(rectA.y, rectB.y);
 
-    return out.set(
+    return out.setTo(
         x,
         y,
         Math.max(rectA.right, rectB.right) - x,