Added jsdocs and property

Author: photonstorm

src/physics/matter-js/MatterGameObject.js

@@ -32,7 +32,7 @@ function hasGetterOrSetter (def)
  * @param {Phaser.Physics.Matter.World} world - The Matter world to add the body to.
  * @param {Phaser.GameObjects.GameObject} gameObject - The Game Object that will have the Matter body applied to it.
  * @param {(object|MatterJS.Body)} [options] - A Matter Body configuration object, or an instance of a Matter Body.
- * @param {boolean} [addToWorld=true] - Add this Matter Body to the World?
+ * @param {boolean} [addToWorld=true] - Should the newly created body be immediately added to the World?
  *
  * @return {Phaser.GameObjects.GameObject} The Game Object that was created with the Matter body.
  */
@@ -104,6 +104,8 @@ var MatterGameObject = function (world, gameObject, options, addToWorld)
         {
             shape = 'rectangle';
         }
+
+        options.addToWorld = addToWorld;
 
         gameObject.setBody(shape, options);
     }