void Update()
{
time += Time.deltaTime;
if (time > 0.5f)
{
//如果点击鼠标右键，获取路径
if (Input.GetMouseButtonDown(0))
{
finalPath = new List <Node>();
Ray ray = Camera.main.ScreenPointToRay(Input.mousePosition);
RaycastHit hitInfo;
if (Physics.Raycast(ray, out hitInfo))
{
if (hitInfo.transform.CompareTag("floor"))
{
finalPath = path.GetPathFromGrid(playerPos.position, hitInfo.point);
index = finalPath.Count - 1;
}
}
}
time = 0.0f;//计时器重置
}
//按照预定义路径行走
WalkByPreDefinedPath(finalPath);
}