Polygon.setTo would fail if given an array of arrays as a list of points. Fix phaserjs#3619

Author: photonstorm

CHANGELOG.md

@@ -42,6 +42,7 @@
 * Fix ParticleEmitter toJSON output, it was missing the `angle` property and the Emitter Ops were being cast wrong (thanks @samme)
 * Fixed loading normals with multi image load (thanks @iamchristopher)
 * Array.AddAt would fail if it branched to the fast-path within a Container due to an invalid property. Fix #3617 (thanks @poasher)
+* Polygon.setTo would fail if given an array of arrays as a list of points. Fix #3619 (thanks @PaulTodd)
 
 ### Examples, Documentation and TypeScript
 

src/geom/polygon/Polygon.js

@@ -94,9 +94,8 @@ var Polygon = new Class({
             return this;
         }
 
-        var entry;
-        var y0 = Number.MAX_VALUE;
         var p;
+        var y0 = Number.MAX_VALUE;
 
         //  The points argument is an array, so iterate through it
         for (var i = 0; i < points.length; i++)
@@ -109,7 +108,7 @@ var Polygon = new Class({
                 p.y = points[i + 1];
                 i++;
             }
-            else if (Array.isArray(entry))
+            else if (Array.isArray(points[i]))
             {
                 //  An array of arrays?
                 p.x = points[i][0];