using System.Collections.Generic;
using UnityEngine;

namespace Nahida
{
    public class MaterialUpdater : MonoBehaviour
    {
        [SerializeField]
        private GameObject m_HeadBone;

        [SerializeField]
        private Vector3 m_HeadDirection = Vector3.up;

        [SerializeField]
        private List<SkinnedMeshRenderer> m_FaceRenderers;

        private void Update()
        {
            if (m_FaceRenderers == null || m_HeadBone == null)
            {
                return;
            }
            Vector3 direction = m_HeadBone.transform.rotation * m_HeadDirection;
            foreach (var renderer in m_FaceRenderers)
            {
                foreach (var material in renderer.materials)
                {
                    material.SetVector("_FaceDirection", direction);
                }
            }
        }
    }
}