feat: touchArray 蓝描边 + 顺序显示(点击1→2→3)

- TouchPositionHandler: Start()创建LineRenderer蓝圈描边
- 新增 nextTouchObject 字段实现链式顺序显示
- 点击球体→移动woman→隐藏自己→显示下一个
- 场景初始: 仅point1活跃, 链: point1→point2→point3→null

Assets/Scripts/Interaction/TouchPositionHandler.cs

@@ -8,9 +8,45 @@ public class TouchPositionHandler : MonoBehaviour
 {
     public Transform targetPosition;
     public GameObject womanObject;
+    public GameObject nextTouchObject;
+
+    private void Start()
+    {
+        CreateBlueOutline();
+    }
+
+    private void CreateBlueOutline()
+    {
+        // 用 LineRenderer 画一个水平圆环描边
+        var ringGo = new GameObject("BlueRing");
+        ringGo.transform.SetParent(transform, false);
+        ringGo.transform.localPosition = Vector3.zero;
+        ringGo.transform.localRotation = Quaternion.Euler(90f, 0, 0); // XZ 平面
+
+        var lr = ringGo.AddComponent<LineRenderer>();
+        lr.useWorldSpace = false;
+        lr.loop = true;
+        lr.startWidth = 0.02f;
+        lr.endWidth = 0.02f;
+        lr.material = new Material(Shader.Find("Sprites/Default"));
+        lr.startColor = Color.blue;
+        lr.endColor = Color.blue;
+
+        float r = 0.12f;
+        int segs = 32;
+        lr.positionCount = segs;
+        for (int i = 0; i < segs; i++)
+        {
+            float a = i * 2f * Mathf.PI / segs;
+            lr.SetPosition(i, new Vector3(Mathf.Cos(a) * r, Mathf.Sin(a) * r, 0));
+        }
+        Debug.Log($"[TouchPosition] {name}: 蓝描边已创建");
+    }
 
     private void OnMouseDown()
     {
+        Debug.Log($"[TouchPosition] {name}: 被点击");
+
         if (womanObject != null && targetPosition != null)
         {
             womanObject.transform.position = targetPosition.position;
@@ -21,5 +57,17 @@ public class TouchPositionHandler : MonoBehaviour
         {
             Debug.LogWarning($"[TouchPosition] {name}: womanObject 或 targetPosition 为空");
         }
+
+        // 顺序显示：隐藏自己，显示下一个
+        gameObject.SetActive(false);
+        if (nextTouchObject != null)
+        {
+            nextTouchObject.SetActive(true);
+            Debug.Log($"[TouchPosition] {name} 已隐藏 -> {nextTouchObject.name} 已显示");
+        }
+        else
+        {
+            Debug.Log($"[TouchPosition] {name} 已隐藏，无下一个");
+        }
     }
 }