Added new GetInteractiveObject method.

Author: photonstorm

v3/src/input/local/components/GetInteractiveObject.js

@@ -0,0 +1,18 @@
+var GetInteractiveObject = function (gameObject)
+{
+    var list = this.children.list;
+
+    for (var i = 0; i < list.length; i++)
+    {
+        var interactiveObject = list[i];
+
+        if (gameObject === interactiveObject.gameObject)
+        {
+            return interactiveObject;
+        }
+    }
+
+    return null;
+};
+
+module.exports = GetInteractiveObject;