Pathfinding.LayerGridGraph.OnDrawGizmos C# (CSharp) Method

		public override void OnDrawGizmos (bool drawNodes) {
			
			if (!drawNodes) {
				return;
			}
		
			base.OnDrawGizmos (false);
			
			if (nodes == null) {
				return;
			}
			
			PathHandler debugData = AstarPath.active.debugPathData;
			
			for (int n=0;n<nodes.Length;n++) {
				
				LevelGridNode node = nodes[n] as LevelGridNode;
				
				if (node == null || !node.Walkable) continue;
				
				//int index = node.GetIndex ();
				
				Gizmos.color = NodeColor (node,AstarPath.active.debugPathData);
				
				if (AstarPath.active.showSearchTree && AstarPath.active.debugPathData != null) {
					if (InSearchTree(node,AstarPath.active.debugPath)) {
						PathNode nodeR = debugData.GetPathNode (node);
						if (nodeR != null && nodeR.parent != null) {
							Gizmos.DrawLine ((Vector3)node.position, (Vector3)nodeR.parent.node.position);
						}
					}
				} else {
					for (int i=0;i<4;i++) {
						int conn = node.GetConnectionValue(i);//(node.gridConnections >> i*4) & 0xF;
						if (conn != LevelGridNode.NoConnection) {
							
							int nIndex = node.NodeInGridIndex + neighbourOffsets[i] + width*depth*conn;
								//nodeCellIndices[node.GetIndex ()+neighbourOffsets[i]]+conn;//index-node.nodeOffset+neighbourOffsets[i]+conn;
							
							if (nIndex < 0 || nIndex > nodes.Length) {
								continue;
							}
							
							GraphNode other = nodes[nIndex];
							
							if (other == null) continue;
							
							Gizmos.DrawLine ((Vector3)node.position,(Vector3)other.position);
						}
					}
				}
			}
		}