把视觉部分接入了，另外地铁新增了测试流程

Assets/Scripts/SubWay/ParallaxManager.cs

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+using UnityEngine;
+
+[System.Serializable]
+public class ParallaxLayerConfig
+{
+    public GameObject layer; // 背景层的游戏对象
+    public float scrollSpeed; // 每层的滚动速度
+
+    public float scrollOffset;
+}
+
+public class ParallaxManager : MonoBehaviour
+{
+    public ParallaxLayerConfig[] layerConfigs; // 背景层配置数组
+    //public float scrollOffset = 39.69f;            // 背景循环的偏移量
+    
+
+    void Update()
+    {
+        foreach (var config in layerConfigs)
+        {
+            // 根据配置的速度滚动背景
+            float parallax = config.scrollSpeed * Time.deltaTime;
+            config.layer.transform.position += new Vector3(-parallax, 0, 0);
+
+            // 如果背景移出视野范围，则将其重新放到另一边
+            if (config.layer.transform.position.x <= -config.scrollOffset)
+            {
+                config.layer.transform.position = new Vector3(config.layer.transform.position.x + 2 * config.scrollOffset, config.layer.transform.position.y, config.layer.transform.position.z);
+            }
+        }
+    }
+}

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