134 lines
5.2 KiB
C#
134 lines
5.2 KiB
C#
using System.Collections;
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using System.Collections.Generic;
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using UnityEngine;
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// public class GisPointTo3DPoint : MonoBehaviour
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// {
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// public static GisPointTo3DPoint Instance = null;
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// public Transform BottomRightPoint; //Unity中右下点 （X正方向和Z轴的负方向之间）
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// public Transform TopLeftPoint;//Unity中左上点 （Z轴正方向和X轴负方向之间）
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// private Vector2 BottomRightSai;//地图中对应的左上经纬度点
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// private Vector2 TopLeftSai;//地图中对应的右下经纬度点
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// private float z_offset, x_offset, z_w_offset, x_w_offset;
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// private RaycastHit rayHit;
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// private void Awake()
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// {
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// if (Instance == null) Instance = this;
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// else if (Instance != this) Destroy(this);
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// InitBasicNum();//初始化参数
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// }
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// private void InitBasicNum()
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// {
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// //通过传过来的第一个点，确定坐标范围。以导弹为中心
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// //右下
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// BottomRightSai = new Vector2(117.013f, 36.6599f);
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// //左上
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// TopLeftSai = new Vector2(117.0197f, 36.66141f);
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// z_offset = 36.6599f - 36.66141f;
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// x_offset = 117.013f - 117.0197f;
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// //z_offset = BottomRightSai.y - TopLeftSai.y;//地图中的维度差
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// // x_offset = BottomRightSai.x - TopLeftSai.x;//地图中的经度差
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// z_w_offset = BottomRightPoint.position.z - TopLeftPoint.position.z;//unity中的维度差
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// x_w_offset = BottomRightPoint.position.x - TopLeftPoint.position.x;//unity中的经度差
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// }
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// /// <summary>
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// /// 由经纬度得到位置点
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// /// </summary>
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// /// <param name="se">x经度</param>
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// /// y 纬度
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// /// <returns></returns>
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// public Vector3 GetWorldPoint(double x, double y)
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// {
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// double tempX = x - 117.0197f;
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// double tempZ = y - 36.6599f;
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// Debug.Log(tempX);
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// double _tempX = (tempX * x_w_offset / x_offset + TopLeftPoint.position.x);
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// double _tempZ = (tempZ * z_w_offset / z_offset + BottomRightPoint.position.z);
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// return new Vector3((float)_tempX, 0, (float)_tempZ);
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// }
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// /// <summary>
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// /// 由位置点得到经纬度
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// /// </summary>
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// /// <param name="curPoint"></param>
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// /// <returns></returns>
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// public Vector3 GetLatLon(Vector3 curPoint)
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// {
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// //坐标偏差
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// float _x_offset = (curPoint.x - BottomRightPoint.position.x) * x_offset / x_w_offset;
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// float _z_offset = (curPoint.z - TopLeftPoint.position.z) * z_offset / z_w_offset;
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// float resultX = _x_offset + BottomRightSai.x;
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// float resultZ = _z_offset + TopLeftSai.y;
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// return new Vector2(resultX, resultZ);
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// }
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// }
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public class GisPointTo3DPoint : MonoBehaviour
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{
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public static GisPointTo3DPoint Instance = null;
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public Transform BottomRightPoint; // Unity右下点（X正方向，Z负方向）
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public Transform TopLeftPoint; // Unity左上点（X负方向，Z正方向）
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private Vector2 BottomRightSai; // 地图右下点（大经度，小纬度）
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private Vector2 TopLeftSai; // 地图左上点（小经度，大纬度）
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private float z_offset, x_offset, z_w_offset, x_w_offset;
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private void Awake()
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{
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if (Instance == null) Instance = this;
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else if (Instance != this) Destroy(this);
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InitBasicNum(); // 初始化参数
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}
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private void InitBasicNum()
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{
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// 正确设置经纬度点
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BottomRightSai = new Vector2(117.0197f, 36.6599f); // 右下：大经度，小纬度
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TopLeftSai = new Vector2(117.013f, 36.66141f); // 左上：小经度，大纬度
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// 计算经纬度差
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x_offset = BottomRightSai.x - TopLeftSai.x; // 经度差（正数）
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z_offset = BottomRightSai.y - TopLeftSai.y; // 纬度差（负数）
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// 获取Unity中的坐标差
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x_w_offset = BottomRightPoint.position.x - TopLeftPoint.position.x;
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z_w_offset = BottomRightPoint.position.z - TopLeftPoint.position.z;
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// 调试输出，确保数值正确
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Debug.Log($"经度差: {x_offset}, 纬度差: {z_offset}");
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Debug.Log($"Unity X差: {x_w_offset}, Z差: {z_w_offset}");
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}
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public Vector3 GetWorldPoint(double longitude, double latitude)
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{
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// 计算经度差（输入经度 - 左上经度）
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double tempX = longitude - TopLeftSai.x;
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// 计算纬度差（输入纬度 - 右下纬度）
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double tempZ = latitude - BottomRightSai.y;
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// 转换为Unity坐标
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double unityX = tempX * (x_w_offset / x_offset) + TopLeftPoint.position.x;
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double unityZ = tempZ * (z_w_offset / z_offset) + BottomRightPoint.position.z;
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return new Vector3((float)unityX, 0, (float)unityZ);
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}
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public Vector2 GetLatLon(Vector3 position)
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{
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// 计算经度
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float deltaX = (position.x - TopLeftPoint.position.x) / x_w_offset;
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float lon = TopLeftSai.x + deltaX * x_offset;
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// 计算纬度
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float deltaZ = (position.z - BottomRightPoint.position.z) / z_w_offset;
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float lat = BottomRightSai.y + deltaZ * z_offset;
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return new Vector2(lon, lat);
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}
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} |