4.4拖动

using System.Collections;
using System.Collections.Generic;
using UnityEngine;

public class teuowei : MonoBehaviour
{
    GameObject go;
    // Start is called before the first frame update
    void Start()
    {
        go = GameObject.Instantiate(Resources.Load<GameObject>("Accelerate"));
        go.transform.SetParent(transform);
        go.transform.localPosition = new Vector3(-17.59f,1.97f,22.16f);
    }

    // Update is called once per frame
    void Update()
    {
        if (Input.GetKeyDown("a"))
        {
            go.GetComponent<TrailRenderer>().emitting = true;
        }

        if (Input.GetKeyDown("b"))
        {
            Destroy(go);
            //go.GetComponent<TrailRenderer>().emitting = true;
        }
    }
}