/// <summary> /// Adds the specified node to the grid. A node will only be added /// if there does not exist a node in the grid at the same position. /// </summary> /// <returns>True if the operation succeeded</returns> public bool AddNode(Node node) { // Don't add the node if another one already exists if (HasNodeAt(node.Position)) { return(false); } // Add the node based on its position _nodeMap.Add(node.Position, node); Nodes.Add(node); // Build fields _fieldBuilder.BuildFields(node, _nodeMap); return(true); }