LightGlueProject/Unity2021.3.42f1-YejiDemo/Assets/Demo/Scripts/Arrow.cs

using System.Collections;
using UnityEngine;

namespace SmartBowSDK {
    public class Arrow : MonoBehaviour
    {
        void Start()
        {
            StartCoroutine(DestroySelf());
        }

        void Update()
        {
            this.transform.position += transform.forward * Time.deltaTime * 10f;
        }

        IEnumerator DestroySelf()
        {
            yield return new WaitForSeconds(3f);
            Destroy(gameObject);
        }
    }


}