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unity实时保存对象的位姿，重新运行程序时用最后保存的数据给物体赋值

article 2024/9/21 12:26:03

using UnityEngine;
using System.IO;
// using System.Xml.Serialization;
public class SaveCoordinates : MonoBehaviour
{


    public GameObject MainObject;

    //读取坐标
    private float x;
    private float y;
    private float z;
    private Quaternion quaternion;

    private void Start()
    {

    //D:\BUFFER\Unity\DLLProject01\Assets\Plugins
        string[] lines = File.ReadAllLines("Assets\\Plugins\\coordinates.txt");

        for (int i = 1; i < lines.Length; i++)
        {
            string[] parts = lines[i].Split('=');
            string variable = parts[0].Trim();
            string value = parts[1].Trim();
            //print(variable + "===" + value);
            if (variable == "x")
            {
                x = float.Parse(value);
            }
            else if (variable == "y")
            {
                y = float.Parse(value);
            }
            else if (variable == "z")
            {
                z = float.Parse(value);
            }
            else if (variable == "quax")
            {
                quaternion.x = float.Parse(value);
            }
            else if (variable == "quay")
            {
                quaternion.y = float.Parse(value);
            }
            else if (variable == "quaz")
            {
                quaternion.z = float.Parse(value);
            }
            else if (variable == "quaw")
            {
                quaternion.w = float.Parse(value);
            }

        }
        MainObject.transform.position = new Vector3(x, y, z);
        MainObject.transform.rotation = quaternion;
    }


    void Update()
    {

         // 获取 MainObject 的位置坐标
        
        float quax = -MainObject.transform.localRotation.x;
        float quay = MainObject.transform.localRotation.y;
        float quaz = -MainObject.transform.localRotation.z;
        float quaw = MainObject.transform.localRotation.w;

        float x = MainObject.transform.position.x;
        float y = -MainObject.transform.position.y;
        float z = MainObject.transform.position.z;


        // 打开文件，以写入模式写入文本内容
        using (var file = System.IO.File.CreateText("Assets\\Plugins\\coordinates.txt"))
        {
            // 将三个坐标值以空格分隔，并写入文件

            file.Write("[PositionRotation]" + "\n");
            file.Write("x=" + x + "\n");
            file.Write("y=" + y + "\n");
            file.Write("z=" + z + "\n");

            file.Write("quax=" + quax + "\n");
            file.Write("quay=" + quay + "\n");
            file.Write("quaz=" + quaz + "\n");
            file.Write("quaw=" + quaw + "\n");

        }
        
    }



}

txt文件