Cache the vars

Author: photonstorm

src/physics/arcade/Body.js

@@ -907,23 +907,27 @@ var Body = new Class({
     resetFlags: function ()
     {
         //  Store and reset collision flags
-        this.wasTouching.none = this.touching.none;
-        this.wasTouching.up = this.touching.up;
-        this.wasTouching.down = this.touching.down;
-        this.wasTouching.left = this.touching.left;
-        this.wasTouching.right = this.touching.right;
-
-        this.touching.none = true;
-        this.touching.up = false;
-        this.touching.down = false;
-        this.touching.left = false;
-        this.touching.right = false;
-
-        this.blocked.none = true;
-        this.blocked.up = false;
-        this.blocked.down = false;
-        this.blocked.left = false;
-        this.blocked.right = false;
+        var wasTouching = this.wasTouching;
+        var touching = this.touching;
+        var blocked = this.blocked;
+
+        wasTouching.none = touching.none;
+        wasTouching.up = touching.up;
+        wasTouching.down = touching.down;
+        wasTouching.left = touching.left;
+        wasTouching.right = touching.right;
+
+        touching.none = true;
+        touching.up = false;
+        touching.down = false;
+        touching.left = false;
+        touching.right = false;
+
+        blocked.none = true;
+        blocked.up = false;
+        blocked.down = false;
+        blocked.left = false;
+        blocked.right = false;
 
         this.overlapR = 0;
         this.overlapX = 0;