Unity开发 GPS控制器脚本

下面展示 GPS控制器脚本。

using UnityEngine;
using System.Collections;
using System.Collections.Generic;
using UnityEngine.UI;
using System;
//using Vuforia;
using ThreeSpaceJoin;

namespace MR_LBS.Client.Unity3D
{
    
    
    public struct Location
    {
    
    
        double latitude;

        public double Latitude
        {
    
    
            get
            {
    
    
                return latitude;
            }
        }

        double longitude;

        public double Longitude
        {
    
    
            get
            {
    
    
                return longitude;
            }
        }

        double altitude;

        public double Altitude
        {
    
    
            get
            {
    
    
                return altitude;
            }
        }

        public Location(double latitude, double longitude)
        {
    
    
            this.latitude = latitude;
            this.longitude = longitude;
            this.altitude = 0;
        }

        public Location(double latitude, double longitude, double altitude)
        {
    
    
            this.latitude = latitude;
            this.longitude = longitude;
            this.altitude = altitude;
        }

        public static Location zero
        {
    
    
            get
            {
    
    
                return new Location(0, 0, 0);
            }
        }

        public override bool Equals(object obj)
        {
    
      
            //判断与之比较的类型是否为null。这样不会造成递归的情况  
            if (obj == null)
                return false;  
            if (GetType() != obj.GetType())
                return false;  
			
            Location loc = (Location)obj;

            return this.latitude == loc.latitude && this.longitude == loc.longitude && this.altitude == loc.altitude;
        }

        public override int GetHashCode()
        {
    
      
            return this.GetHashCode();  
        }

        public static bool operator ==(Location lhs, Location rhs)
        {
    
    
            return System.Object.Equals(lhs, rhs);
        }

        public static bool operator !=(Location lhs, Location rhs)
        {
    
    
            return !System.Object.Equals(lhs, rhs);
        }
    }

    public class GPSController : MonoBehaviour
    {
    
    
        // longitude,latitude,altitude format.
        [HideInInspector]
        public Location myPosBLH;
        //        [HideInInspector]
        //        public List<Vector3> targetPosBLH = new List<Vector3>();
        public static GPSController Instance;

        double radian;
        float truetrueHeading, totalTrueHeading;

        void Awake()
        {
    
    
            Instance = this;

        }

        void Start()
        {
    
    		
            InvokeRepeating("GetGPSPosition", 0, 3f);
        }

        //TODO:reversion +BaiduMapAPI
        /// <summary>
        /// Get current GPS position.
        /// </summary>
        public Location GetGPSPosition()
        {
    
    

            GameObject tip = MainView.instance.entryInfo;
            if (BaiduMapAPI.instance != null && BaiduMapAPI.instance.myLatitude != "" && BaiduMapAPI.instance.myLongitude != "")
            {
    
    
                double longitude = double.Parse(BaiduMapAPI.instance.myLongitude);
                double latitude = double.Parse(BaiduMapAPI.instance.myLatitude);

                myPosBLH = new Location(latitude, longitude, 0);


                if (tip.activeInHierarchy)
                    tip.SetActive(false);
                return new Location(latitude, longitude, 0);
            }
            else
            {
    
    
                tip.SetActive(true);
                return Location.zero;
            }

            //temp
            return new Location(32.11f, 118.32f, 0);

        }

    }

}