private static float DistanceTo(TreeBehavior thisTree, TreeBehavior thatTree)
{
if (thisTree.Equals(thatTree))
{
return(float.MaxValue);
}
return(LocationUtil.GetDistance(thatTree.transform.position, thisTree.transform.position));
}
/// <summary>
/// 获取最短距离的分店
/// </summary>
/// <param name="session"></param>
/// <param name="loc">地址</param>
/// <param name="maxDist">最长距离</param>
/// <returns></returns>
public static Department GetMinDistDept(ISession session, TbLocation loc, double maxDist)
{
Department retVal = null;
double minDest = double.MaxValue;
string addrCode = loc.AddrCode;
string paddrCode = "";
//如果达到街道级别
if (addrCode.Length >= 9)
{
//获取上级地址码
paddrCode = addrCode.Substring(0, 6);
}
else
{
//获取当级地址码
paddrCode = addrCode;
}
ICriteria criteria = session.CreateCriteria(typeof(Department));
//模糊查找当前代码
ICriterion criterion = Restrictions.Or(
Restrictions.Eq("AddrCode", addrCode),
Restrictions.Like("AddrCode", paddrCode + "%")
);
criteria.Add(criterion);
criterion = Restrictions.Eq("Del", false);
criteria.Add(criterion);
criteria.AddOrder(Order.Desc("AddrCode"));
criteria.SetCacheable(true);
IList <Department> depts = criteria.List <Department>();
foreach (Department dept in depts)
{
//如果地址相同则返回该商店
if (dept.Lat == loc.Lat && dept.Lng == loc.Lng)
{
retVal = dept;
break;
}
else
{
//计算距离
double dest = LocationUtil.GetDistance(dept.Lat, dept.Lng, loc.Lat, loc.Lng);
//取最短距离的分店
if (dest <= maxDist && dest < minDest)
{
minDest = dest;
retVal = dept;
}
}
}
return(retVal);
}