Streamingle_URP/Assets/Scripts/Streamingle/StreamingleControl/Extensions/YBillboard.cs

using UnityEngine;

public class YBillboard : MonoBehaviour
{
    private Camera _mainCamera;
    
    void Start()
    {
        _mainCamera = Camera.main;
    }
    
    void LateUpdate()
    {
        if (!_mainCamera)
            return;
            
        Vector3 directionToCamera = _mainCamera.transform.position - transform.position;
        directionToCamera.y = 0;
        
        if (directionToCamera != Vector3.zero)
        {
            transform.rotation = Quaternion.LookRotation(directionToCamera);
        }
    }
}