return (openNode == null || openNode.isDestroyed()) ? null : openNode;
return (openNode == null || openNode.isDestroyed()) ? null : openNode;
return (openNode == null || openNode.isDestroyed()) ? null : openNode;
return (openNode == null || openNode.isDestroyed()) ? null : openNode;
return (openNode == null || openNode.isDestroyed()) ? null : openNode;
return (openNode == null || openNode.isDestroyed()) ? null : openNode;