add some extra assets FX and SFX

Assets/Game Kit Controller/Scripts/Weapons/New Weapon Behaviors/gravityGun.cs

@@ -444,6 +444,16 @@ public class gravityGun : MonoBehaviour
                 }
             }
 
+            objectToPlaceSystem currentObjectToPlaceSystem = objectHeld.GetComponent<objectToPlaceSystem> ();
+
+            if (currentObjectToPlaceSystem != null) {
+                if (currentObjectToPlaceSystem.isAdjustingObjectToPlaceInProcess ()) {
+                    objectHeld = null;
+
+                    return;
+                }
+            }
+
             if (currentGrabObjectProperties != null) {
                 if (currentGrabObjectProperties.useExtraGrabDistance) {
                     currentGrabExtraDistance = currentGrabObjectProperties.getExtraGrabDistance ();
@@ -499,8 +509,6 @@ public class gravityGun : MonoBehaviour
                 currentGrabObjectEventSystem.callEventOnGrab ();
             }
 
-            objectToPlaceSystem currentObjectToPlaceSystem = objectHeld.GetComponent<objectToPlaceSystem> ();
-
             if (currentObjectToPlaceSystem != null) {
                 currentObjectToPlaceSystem.setObjectInGrabbedState (true);
             }
@@ -656,6 +664,8 @@ public class gravityGun : MonoBehaviour
             }
         }
 
+        objectToPlaceSystem currentObjectToPlaceSystem = null;
+
         if (objectHeld != null) {
             //set the tag of the object that had before grab it, and if the object has its own gravity, enable again
             if (grabbedObjectTagLayerStored) {
@@ -735,7 +745,7 @@ public class gravityGun : MonoBehaviour
                 }
             }
 
-            objectToPlaceSystem currentObjectToPlaceSystem = objectHeld.GetComponent<objectToPlaceSystem> ();
+            currentObjectToPlaceSystem = objectHeld.GetComponent<objectToPlaceSystem> ();
 
             if (currentObjectToPlaceSystem != null) {
                 currentObjectToPlaceSystem.setObjectInGrabbedState (false);
@@ -762,6 +772,10 @@ public class gravityGun : MonoBehaviour
         if (showDebugPrint) {
             print ("drop object");
         }
+
+        if (currentObjectToPlaceSystem != null) {
+            currentObjectToPlaceSystem.checkObjectsAround ();
+        }
     }
 
     public void checkJointsInObject (GameObject objectToThrow, float force)