Arcade.overlap and collide are now more consistent about allowing a Group vs. Group or Group vs. Array of Groups set (thanks @pyromanfo phaserjs#877 phaserjs#1147)

Author: photonstorm

README.md

@@ -113,6 +113,7 @@ Version 2.1.0 - "Cairhien" - -in development-
 * Color.getColorInfo, RGBtoHexstring, RGBtoWebstring and colorToHexstring has been removed due to deprecation.
 * P2.PointProxy.x and y values are now returned in pixels (previously they were returned in meters). See PointProxy.mx/my for meter values.
 * P2.InversePointProxy.x and y values are now returned in pixels (previously they were returned in meters). See PointProxy.mx/my for meter values.
+* Arcade.overlap and collide are now more consistent about allowing a Group vs. Group or Group vs. Array of Groups set (thanks @pyromanfo #877 #1147)
 
 ### Bug Fixes
 

src/physics/arcade/World.js

@@ -653,10 +653,12 @@ Phaser.Physics.Arcade.prototype = {
         {
             if (group1.children[i].exists)
             {
-                if (group1.children[i].type == Phaser.GROUP)
+                if (group1.children[i].type === Phaser.GROUP)
                 {
                     this.collideGroupVsGroup(group1.children[i], group2, collideCallback, processCallback, callbackContext, overlapOnly);
-                } else {
+                }
+                else
+                {
                     this.collideSpriteVsGroup(group1.children[i], group2, collideCallback, processCallback, callbackContext, overlapOnly);
                 }
             }