add some extra assets FX and SFX

Assets/Game Kit Controller/Scripts/Gravity/zeroGravityRoomSystem.cs

@@ -366,7 +366,13 @@ public class zeroGravityRoomSystem : MonoBehaviour
 						currentArtificialObjectGravity.setCurrentGravity (outsideGravityDirectionTransform.up);
 					}
 				}
-			}
+
+                zeroGravityRoomObjectChecker currentZeroGravityRoomObjectChecker = newObject.GetComponent<zeroGravityRoomObjectChecker> ();
+
+                if (currentZeroGravityRoomObjectChecker != null) {
+                    currentZeroGravityRoomObjectChecker.setCurrentZeroGravityRoom (null);
+                }
+            }
 		}
 	}
 
@@ -441,7 +447,13 @@ public class zeroGravityRoomSystem : MonoBehaviour
 			if (changeGravityForceForObjects && currentArtificialObjectGravity != null) {
 				currentArtificialObjectGravity.setGravityForceValue (false, -newGravityForceForObjects);
 			}
-		}
+
+            zeroGravityRoomObjectChecker currentZeroGravityRoomObjectChecker = newObject.GetComponent<zeroGravityRoomObjectChecker> ();
+
+			if (currentZeroGravityRoomObjectChecker != null) {
+				currentZeroGravityRoomObjectChecker.setCurrentZeroGravityRoom (this);
+            }
+        }
 	}
 
 	public bool ContainsPoint (Vector2 currentPosition)
@@ -710,9 +722,14 @@ public class zeroGravityRoomSystem : MonoBehaviour
 		}
 	}
 
+	public bool isRoomHasZeroGravityActive ()
+	{
+		return roomHasZeroGravity;
+    }
 
-	//EDITOR FUNCTIONS
-	public void renameRoomPoints ()
+
+    //EDITOR FUNCTIONS
+    public void renameRoomPoints ()
 	{
 		for (int i = 0; i < roomPointsList.Count; i++) { 
 			roomPointsList [i].name = (i + 1).ToString ();