/// <summary>
/// 寻可行走节点
/// </summary>
/// <param name="startPoint">起点</param>
/// <param name="cost">可行走节点到起点的最大估价</param>
/// <param name="rule">搜寻规则</param>
/// <returns>结果节点组</returns>
public List <AStarNode> WalkableNodefinding(Vector3 startPoint, int cost, AStarRule rule = null)
{
if (rule != null)
{
foreach (AStarNode node in _nodes)
{
rule.Apply(node);
}
}
return(WalkableNodefinding(GetNode(startPoint), cost));
}
/// <summary>
/// 寻路
/// </summary>
/// <param name="startPoint">起点</param>
/// <param name="endPoint">终点</param>
/// <param name="rule">搜寻规则</param>
/// <returns>结果路径</returns>
public List <AStarNode> Pathfinding(Vector3 startPoint, Vector3 endPoint, AStarRule rule = null)
{
if (rule != null)
{
foreach (AStarNode node in _nodes)
{
rule.Apply(node);
}
}
return(Pathfinding(GetNode(startPoint), GetNode(endPoint)));
}
/// <summary>
/// 寻可行走节点
/// </summary>
/// <param name="startIndex">起点</param>
/// <param name="cost">可行走节点到起点的最大估价</param>
/// <param name="rule">搜寻规则</param>
/// <returns>结果节点组</returns>
public List <AStarNode> WalkableNodefinding(Vector2Int startIndex, int cost, AStarRule rule = null)
{
if (startIndex.x < 0 || startIndex.x >= _nodesWidth || startIndex.y < 0 || startIndex.y >= _nodesHeight)
{
GlobalTools.LogWarning("A*：寻可行走节点失败，起点的索引超出了网格的大小！");
return(null);
}
if (rule != null)
{
foreach (AStarNode node in _nodes)
{
rule.Apply(node);
}
}
return(WalkableNodefinding(_nodes[startIndex.x, startIndex.y], cost));
}
/// <summary>
/// 寻路
/// </summary>
/// <param name="startIndex">起点的索引</param>
/// <param name="endIndex">终点的索引</param>
/// <param name="rule">搜寻规则</param>
/// <returns>结果路径</returns>
public List <AStarNode> Pathfinding(Vector2Int startIndex, Vector2Int endIndex, AStarRule rule = null)
{
if (startIndex.x < 0 || startIndex.x >= _nodesWidth || startIndex.y < 0 || startIndex.y >= _nodesHeight ||
endIndex.x < 0 || endIndex.x >= _nodesWidth || endIndex.y < 0 || endIndex.y >= _nodesHeight)
{
GlobalTools.LogWarning("A*：寻路失败，起点或终点的索引超出了网格的大小！");
return(null);
}
if (rule != null)
{
foreach (AStarNode node in _nodes)
{
rule.Apply(node);
}
}
return(Pathfinding(_nodes[startIndex.x, startIndex.y], _nodes[endIndex.x, endIndex.y]));
}