import fbx file in csharp

main.cs
using UnityEngine;
using System.Collections.Generic;
using Autodesk.Fbx;

public class ImportFBX : MonoBehaviour
{
    public string filePath; //Path to the FBX file
    
    void Start()
    {
        List<string> errors = new List<string>();
        FbxManager manager = FbxManager.Create();

        //Create an importer
        FbxImporter importer = FbxImporter.Create(manager, "");

        //Initialize the importer with the file path
        bool success = importer.Initialize(filePath, -1, manager.GetIOSettings());

        if (!success)
        {
            Debug.LogError("Failed to initialize importer.");
            return;
        }

        //Create a scene
        FbxScene scene = FbxScene.Create(manager, "FBX Scene");

        //Import the file into the scene
        success = importer.Import(scene);

        if (!success)
        {
            Debug.LogError("Failed to import FBX file.");
            return;
        }

        //Process the scene
        FbxNode rootNode = scene.GetRootNode();

        if (rootNode != null)
        {
            ProcessNodeHierarchy(rootNode);
        }
        else
        {
            Debug.LogError("Failed to get root node.");
        }

        //Clean up
        importer.Destroy();
        manager.Destroy();
    }

    void ProcessNodeHierarchy(FbxNode node)
    {
        Debug.Log($"Processing node \"{node.GetName()}\"");
        for (int i = 0; i < node.GetChildCount(); i++)
        {
            ProcessNodeHierarchy(node.GetChild(i));
        }
    }
}
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