fix: 描边从单环改为交叉双环(横+竖)，世界空间绘制避免视角失真

- 水平环(XZ平面) + 垂直环(XY平面) 交叉形成球形轮廓
- useWorldSpace=true 直接在世界空间画，避免子物体旋转导致的视角变形
- 半径0.15, 线宽0.06, 亮蓝色, 两个环同步闪烁

Assets/Scenes/main.unity

@@ -1203,6 +1203,7 @@ GameObject:
   - component: {fileID: 30774416}
   - component: {fileID: 30774415}
   - component: {fileID: 30774414}
+  - component: {fileID: 30774417}
   m_Layer: 0
   m_Name: point1
   m_TagString: Untagged
@@ -1296,6 +1297,21 @@ MeshFilter:
   m_PrefabAsset: {fileID: 0}
   m_GameObject: {fileID: 30774412}
   m_Mesh: {fileID: 10207, guid: 0000000000000000e000000000000000, type: 0}
+--- !u!114 &30774417
+MonoBehaviour:
+  m_ObjectHideFlags: 0
+  m_CorrespondingSourceObject: {fileID: 0}
+  m_PrefabInstance: {fileID: 0}
+  m_PrefabAsset: {fileID: 0}
+  m_GameObject: {fileID: 30774412}
+  m_Enabled: 1
+  m_EditorHideFlags: 0
+  m_Script: {fileID: 11500000, guid: aa18d349de8cc4564984a4f44c712138, type: 3}
+  m_Name: 
+  m_EditorClassIdentifier: 
+  targetPosition: {fileID: 773787683}
+  womanObject: {fileID: 1096492308}
+  nextTouchObject: {fileID: 559340216}
 --- !u!1 &37271315
 GameObject:
   m_ObjectHideFlags: 0
@@ -1503,6 +1519,11 @@ PrefabInstance:
       propertyPath: m_Name
       value: medicalBox
       objectReference: {fileID: 0}
+    - target: {fileID: 919132149155446097, guid: 1b1ce20a2102247d99cac16ad09ceb1a,
+        type: 3}
+      propertyPath: m_IsActive
+      value: 0
+      objectReference: {fileID: 0}
     m_RemovedComponents: []
     m_RemovedGameObjects: []
     m_AddedGameObjects: []
@@ -2027,13 +2048,14 @@ GameObject:
   - component: {fileID: 198874071}
   - component: {fileID: 198874070}
   - component: {fileID: 198874069}
+  - component: {fileID: 198874072}
   m_Layer: 0
   m_Name: point3
   m_TagString: Untagged
   m_Icon: {fileID: 0}
   m_NavMeshLayer: 0
   m_StaticEditorFlags: 0
-  m_IsActive: 1
+  m_IsActive: 0
 --- !u!4 &198874068
 Transform:
   m_ObjectHideFlags: 0
@@ -2120,6 +2142,21 @@ MeshFilter:
   m_PrefabAsset: {fileID: 0}
   m_GameObject: {fileID: 198874067}
   m_Mesh: {fileID: 10207, guid: 0000000000000000e000000000000000, type: 0}
+--- !u!114 &198874072
+MonoBehaviour:
+  m_ObjectHideFlags: 0
+  m_CorrespondingSourceObject: {fileID: 0}
+  m_PrefabInstance: {fileID: 0}
+  m_PrefabAsset: {fileID: 0}
+  m_GameObject: {fileID: 198874067}
+  m_Enabled: 1
+  m_EditorHideFlags: 0
+  m_Script: {fileID: 11500000, guid: aa18d349de8cc4564984a4f44c712138, type: 3}
+  m_Name: 
+  m_EditorClassIdentifier: 
+  targetPosition: {fileID: 1109298010}
+  womanObject: {fileID: 1096492308}
+  nextTouchObject: {fileID: 0}
 --- !u!1 &200058300
 GameObject:
   m_ObjectHideFlags: 0
@@ -3502,13 +3539,14 @@ GameObject:
   - component: {fileID: 559340220}
   - component: {fileID: 559340219}
   - component: {fileID: 559340218}
+  - component: {fileID: 559340221}
   m_Layer: 0
   m_Name: point2
   m_TagString: Untagged
   m_Icon: {fileID: 0}
   m_NavMeshLayer: 0
   m_StaticEditorFlags: 0
-  m_IsActive: 1
+  m_IsActive: 0
 --- !u!4 &559340217
 Transform:
   m_ObjectHideFlags: 0
@@ -3595,6 +3633,21 @@ MeshFilter:
   m_PrefabAsset: {fileID: 0}
   m_GameObject: {fileID: 559340216}
   m_Mesh: {fileID: 10207, guid: 0000000000000000e000000000000000, type: 0}
+--- !u!114 &559340221
+MonoBehaviour:
+  m_ObjectHideFlags: 0
+  m_CorrespondingSourceObject: {fileID: 0}
+  m_PrefabInstance: {fileID: 0}
+  m_PrefabAsset: {fileID: 0}
+  m_GameObject: {fileID: 559340216}
+  m_Enabled: 1
+  m_EditorHideFlags: 0
+  m_Script: {fileID: 11500000, guid: aa18d349de8cc4564984a4f44c712138, type: 3}
+  m_Name: 
+  m_EditorClassIdentifier: 
+  targetPosition: {fileID: 958160146}
+  womanObject: {fileID: 1096492308}
+  nextTouchObject: {fileID: 198874067}
 --- !u!1 &574962406
 GameObject:
   m_ObjectHideFlags: 0

Assets/Scripts/Interaction/TouchPositionHandler.cs

@@ -2,7 +2,7 @@ using UnityEngine;
 
 /// <summary>
 /// 挂在 touchArray 的每个子球体上，点击时把 woman 移动到 womanPointArray 对应位置。
-/// 自动关闭 MeshRenderer 只显示蓝描边，描边闪烁提示用户点击。
+/// 两个交叉圆环形成球形轮廓闪烁提示。
 /// </summary>
 public class TouchPositionHandler : MonoBehaviour
 {
@@ -10,52 +10,73 @@ public class TouchPositionHandler : MonoBehaviour
     public GameObject womanObject;
     public GameObject nextTouchObject;
 
-    private LineRenderer _outlineRenderer;
+    private LineRenderer _ringH; // 水平环
+    private LineRenderer _ringV; // 垂直环
 
     private void Start()
     {
-        // 关闭球体本身的 MeshRenderer，只留碰撞体 + 描边
         var mr = GetComponent<MeshRenderer>();
         if (mr != null) mr.enabled = false;
 
-        CreateBlueOutline();
-        StartCoroutine(BlinkOutline());
+        CreateCrossRings();
+        StartCoroutine(BlinkRings());
     }
 
-    private void CreateBlueOutline()
+    private void CreateCrossRings()
     {
-        var ringGo = new GameObject("BlueRing");
-        ringGo.transform.SetParent(transform, false);
-        ringGo.transform.localPosition = new Vector3(0, 0.02f, 0); // 稍微抬高防穿地
-        ringGo.transform.localRotation = Quaternion.Euler(90f, 0, 0);
-
-        _outlineRenderer = ringGo.AddComponent<LineRenderer>();
-        _outlineRenderer.useWorldSpace = false;
-        _outlineRenderer.loop = true;
-        _outlineRenderer.startWidth = 0.06f;
-        _outlineRenderer.endWidth = 0.06f;
-        _outlineRenderer.material = new Material(Shader.Find("Unlit/Color"));
-        _outlineRenderer.material.color = new Color(0.2f, 0.5f, 1f); // 亮蓝
-        _outlineRenderer.startColor = new Color(0.2f, 0.5f, 1f);
-        _outlineRenderer.endColor = new Color(0.2f, 0.5f, 1f);
-
         float r = 0.15f;
         int segs = 32;
-        _outlineRenderer.positionCount = segs;
+        float yOff = 0.05f;
+        Color blue = new Color(0.2f, 0.5f, 1f);
+
+        // 水平环 —— 世界空间 XZ 平面
+        var hGo = new GameObject("RingH");
+        hGo.transform.SetParent(transform, false);
+        _ringH = hGo.AddComponent<LineRenderer>();
+        SetupRing(_ringH, blue);
+        _ringH.useWorldSpace = true;
+        _ringH.positionCount = segs;
+        Vector3 center = transform.position + Vector3.up * yOff;
         for (int i = 0; i < segs; i++)
         {
             float a = i * 2f * Mathf.PI / segs;
-            _outlineRenderer.SetPosition(i, new Vector3(Mathf.Cos(a) * r, Mathf.Sin(a) * r, 0));
+            _ringH.SetPosition(i, center + new Vector3(Mathf.Cos(a) * r, 0, Mathf.Sin(a) * r));
         }
-        Debug.Log($"[TouchPosition] {name}: 蓝描边已创建 (r={r}, Unlit/Color)");
+
+        // 垂直环 —— 世界空间 XY 平面（竖起来）
+        var vGo = new GameObject("RingV");
+        vGo.transform.SetParent(transform, false);
+        _ringV = vGo.AddComponent<LineRenderer>();
+        SetupRing(_ringV, blue);
+        _ringV.useWorldSpace = true;
+        _ringV.positionCount = segs;
+        for (int i = 0; i < segs; i++)
+        {
+            float a = i * 2f * Mathf.PI / segs;
+            _ringV.SetPosition(i, center + new Vector3(Mathf.Cos(a) * r, Mathf.Sin(a) * r, 0));
+        }
+
+        Debug.Log($"[TouchPosition] {name}: 交叉蓝环已创建 (r={r})");
     }
 
-    private System.Collections.IEnumerator BlinkOutline()
+    private void SetupRing(LineRenderer lr, Color c)
+    {
+        lr.loop = true;
+        lr.startWidth = 0.06f;
+        lr.endWidth = 0.06f;
+        lr.material = new Material(Shader.Find("Unlit/Color"));
+        lr.material.color = c;
+        lr.startColor = c;
+        lr.endColor = c;
+    }
+
+    private System.Collections.IEnumerator BlinkRings()
     {
         while (true)
         {
-            if (_outlineRenderer != null)
-                _outlineRenderer.enabled = !_outlineRenderer.enabled;
+            bool on = !_ringH.enabled;
+            if (_ringH != null) _ringH.enabled = on;
+            if (_ringV != null) _ringV.enabled = on;
             yield return new WaitForSeconds(0.4f);
         }
     }
@@ -68,27 +89,22 @@ public class TouchPositionHandler : MonoBehaviour
         {
             womanObject.transform.position = targetPosition.position;
             womanObject.transform.rotation = targetPosition.rotation;
-            Debug.Log($"[TouchPosition] woman 移动到 {targetPosition.name} ({targetPosition.position})");
+            Debug.Log($"[TouchPosition] woman 移动到 {targetPosition.name}");
         }
         else
         {
-            Debug.LogWarning($"[TouchPosition] {name}: womanObject 或 targetPosition 为空");
+            Debug.LogWarning($"[TouchPosition] {name}: 引用为空");
         }
 
-        // 停止闪烁，隐藏描边
         StopAllCoroutines();
-        if (_outlineRenderer != null)
-            _outlineRenderer.enabled = false;
+        if (_ringH != null) _ringH.enabled = false;
+        if (_ringV != null) _ringV.enabled = false;
 
         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");
+            Debug.Log($"[TouchPosition] {name} → {nextTouchObject.name} 显示");
         }
     }
 }