aibis-dream/Assets/Scripts/SceneManagement/SceneCenter/Vehicle.cs

using System.Collections.Generic;
using DG.Tweening;
using UnityEngine;

namespace AibisDream
{
    public class Vehicle : MonoBehaviour
    {
        public float speed;
        private Vector3 _target;
        private readonly List<Tween> _tweenList = new();
        private int _sortingLayerId;
        private int _sortingLayerOrder;

        // 仅负责让轮子转起来
        private void OnEnable()
        {
            LoadSpawnData();

            var car = GetComponent<SpriteRenderer>();
            car.sortingOrder = _sortingLayerOrder;
            car.sortingLayerID = _sortingLayerId;
            // 加载轮子
            foreach (Transform wheel in transform)
            {
                if (!wheel.name.StartsWith("轮子")) continue;
                var wheelSprite = wheel.GetComponent<SpriteRenderer>();
                wheelSprite.sortingOrder = _sortingLayerOrder + 1;
                wheelSprite.sortingLayerID = _sortingLayerId;
                
                // 转动
                Tween tween = wheel.DORotate(_target, 1 / Mathf.Abs(speed), RotateMode.LocalAxisAdd)
                    .SetEase(Ease.Linear)
                    .SetLoops(-1, LoopType.Incremental);
                    
                _tweenList.Add(tween);
            }
        }

        private void OnDisable()
        {
            _tweenList.ForEach(tween => tween.Kill());
            _tweenList.Clear();
        }
        
        // 其他部分，主要是有关层级和方向
        private void LoadSpawnData()
        {
            MobileObjectData data = transform.parent.GetComponent<AbsMobileObject>().mobileObjectData;
            // 获取一些数据
            _target = data.flipX ? new Vector3(0, 0, -360) : new Vector3(0, 0, 360);
            _sortingLayerId = data.sortingLayerId;
            _sortingLayerOrder = data.sortingOrder;
        }
    }
}