IEnumerator StartGPS()
{
// Input.location 用于访问设备的位置属性（手持设备）, 静态的LocationService位置
// LocationService.isEnabledByUser 用户设置里的定位服务是否启用
if (!Input.location.isEnabledByUser)
{
stateInfo = "没有打开定位";
//yield return false;
}
stateInfo = Input.location.status.ToString();
// LocationService.Start() 启动位置服务的更新,最后一个位置坐标会被使用
if (Input.location.status != LocationServiceStatus.Running)
{
Input.location.Start(1.0f, 1.0f);
}
int maxWait = 20;
while (Input.location.status == LocationServiceStatus.Initializing && maxWait > 0)
{
// 暂停协同程序的执行(1秒)
yield return(new WaitForSeconds(1));
stateInfo = "定位中...(" + maxWait + ")";
maxWait--;
}
if (maxWait < 1)
{
stateInfo = "定位超时";
yield return(new WaitForSeconds(2));
}
if (Input.location.status == LocationServiceStatus.Failed)
{
stateInfo = "无法使用定位";
yield return(new WaitForSeconds(2));
}
// if (Input.location.status != LocationServiceStatus.Running) {
// stateInfo = Input.location.status.ToString();
// yield break;
// }
stateInfo = "";
while (true)
{
float newLongitude = getLongitude();
float newLatitude = getLatitude();
kmPerH = 0;
if (newLatitude != latitude && newLongitude != longitude)
{
if (latitude == 0 && longitude == 0)
{
centerPos = GpsUtil.MillierConvertion(newLongitude, newLatitude);
timeStamp = getTimestamp();
}
else
{
float dis = GpsUtil.GetDistance(longitude, latitude, newLongitude, newLatitude); //计算总公里数
if (dis > 0)
{
double time = getTimestamp();
kmPerH = dis / ((time - timeStamp) / 3.6);
timeStamp = time;
totalKM += dis;
}
}
targetPos = GpsUtil.MillierConvertion(newLongitude, newLatitude) - centerPos;
//让始终它朝着目标
this.transform.LookAt(targetPos);
//float currentDist = Vector3.Distance(this.transform.position, targetPos);
this.transform.position = targetPos; //(Vector3.forward * Mathf.Min(speed * Time.deltaTime, currentDist));
latitude = newLatitude;
longitude = newLongitude;
}
yield return(new WaitForSeconds(1));
}
}