void OnTriggerExit2D(Collider2D collider)
{
foreach (KeyValuePair <Edge, MapNode> item in chunkScript.mapNode.Neighbors)
{
Swapper neighborSwapper = item.Value.chunkScript.GetComponentInChildren <Swapper>();
neighborSwapper.TrySwapInto(collider.attachedRigidbody.gameObject);
}
}