public static List <ANode> CalClosedNode(this ANode node, Dictionary <string, ANode> nodeDict, List <ANode> closedList)
{
List <ANode> returnList = new List <ANode>();
if (node == null)
{
return(null);
}
var offset = node.offset;
//下面是四个方向的~~~~~~判断 可以做成一个方法
ANode tempNode = null;
nodeDict.TryGetValue((node.x + offset).ToString() + node.y, out tempNode);
if (tempNode != null && tempNode.canReached == true && !closedList.Contains(tempNode))
{
tempNode.SetParentNode(node);
returnList.Add(tempNode);
}
tempNode = null;
nodeDict.TryGetValue((node.x - offset).ToString() + node.y, out tempNode);
if (tempNode != null && tempNode.canReached == true && !closedList.Contains(tempNode))
{
tempNode.SetParentNode(node);
returnList.Add(tempNode);
}
tempNode = null;
nodeDict.TryGetValue(node.x.ToString() + (node.y + offset), out tempNode);
if (tempNode != null && tempNode.canReached == true && !closedList.Contains(tempNode))
{
tempNode.SetParentNode(node);
returnList.Add(tempNode);
}
tempNode = null;
nodeDict.TryGetValue(node.x.ToString() + (node.y + offset), out tempNode);
if (tempNode != null && tempNode.canReached == true && !closedList.Contains(tempNode))
{
tempNode.SetParentNode(node);
returnList.Add(tempNode);
}
//nodeList = new List<ANode>{new ANode(node.x+offset,node.y),new ANode(node.x-offset,node.y),
// new ANode(node.x,node.y+offset),new ANode(node.x,node.y-offset)
//};
return(returnList);
}