unity 调用python和C++

调用python:

using System.Collections;
using System.Collections.Generic;
using UnityEngine;
//注意  一定要引用下面这个命名空间
using System.Diagnostics;

public class Call_python : MonoBehaviour
{
    private void Update()
    {
        if (Input.GetKeyDown(KeyCode.Space))
        {
            
            string[] arr = new string[2];
            arr[0] = "10";
            arr[1] = "20";
            RunPythonScript(arr);
        }
    }
    private static void RunPythonScript(string[] argvs)
    {
        Process p = new Process();
        string path = @"D:\******\unity.py";
        foreach (string temp in argvs)
        {
            path += " " + temp;
        }
        #C:\Python39\python.exe python的解释器地址
        p.StartInfo.FileName = @"C:\Python39\python.exe";

        p.StartInfo.UseShellExecute = false;
        p.StartInfo.Arguments = path;
        p.StartInfo.RedirectStandardOutput = true;
        p.StartInfo.RedirectStandardError = true;
        p.StartInfo.RedirectStandardInput = true;
        p.StartInfo.CreateNoWindow = true;

        p.Start();
        p.BeginOutputReadLine();
        p.OutputDataReceived += new DataReceivedEventHandler(Get_data);
        p.WaitForExit();
    }
    private static void Get_data(object sender, DataReceivedEventArgs eventArgs)
    {
        if (!string.IsNullOrEmpty(eventArgs.Data))
        {
            print(eventArgs.Data.ToString());
        }
    }
}

调用C++ dll库
将vs x64环境下生成的库都放到Plugins文件夹下

using System.Collections;
using System.Collections.Generic;
using UnityEngine;
using System.Runtime.InteropServices;

public class Call_Cplus : MonoBehaviour
{
    //[DllImport("库的名字")]
    [DllImport("Add")]
    //定义静态方法使用
    private static extern int Add_2(int num1,int num2);
    void Start()
    {
        int count = Add_2(1, 2);
        print("Count = " + count.ToString());
    }

    void Update()
    {
        
    }

}