Fix manual raycast to loop over Camera.allCameras so it works with camera3

Assets/Scripts/Interaction/PingClickHandler.cs

@@ -19,13 +19,11 @@ public class PingClickHandler : MonoBehaviour
         var col = GetComponent<Collider>();
         if (col == null)
         {
-            // 如果没有碰撞体，为了100%能够被点到，加一个超级巨大的 BoxCollider
             var box = gameObject.AddComponent<BoxCollider>();
-            box.size = new Vector3(2f, 2f, 2f); // 固定绝对大尺寸
+            box.size = new Vector3(2f, 2f, 2f); 
             col = box;
         }
 
-        // 不管是什么碰撞体，强制设置为绝对足够大的物理尺寸
         if (col is SphereCollider sphere)
         {
             sphere.radius = 1.0f;
@@ -48,8 +46,6 @@ public class PingClickHandler : MonoBehaviour
         _isBlinking = true;
         StopAllCoroutines();
         StartCoroutine(BlinkOutline());
-        
-        Debug.Log($"[PingClick] {name} OnEnable 完成，碰撞体已强制放大。");
     }
 
     void CreateOutlineMesh()
@@ -85,27 +81,31 @@ public class PingClickHandler : MonoBehaviour
         PerformClick();
     }
 
-    // 加入更强力的通用点击检测支持，防止某些射线遮挡 OnMouseDown
     void Update()
     {
         if (Input.GetMouseButtonDown(0))
         {
             if (!_isBlinking) return;
             
-            // 简单射线检测，如果打中当前物体，强行触发
-            Ray ray = Camera.main.ScreenPointToRay(Input.mousePosition);
+            // 遍历所有激活的相机发射射线（解决 camera3 不是主相机导致点不到的问题！）
+            foreach (var c in Camera.allCameras)
+            {
+                if (!c.enabled) continue;
+                
+                Ray ray = c.ScreenPointToRay(Input.mousePosition);
                 RaycastHit[] hits = Physics.RaycastAll(ray, 100f);
                 foreach (var hit in hits)
                 {
                     if (hit.collider != null && hit.collider.gameObject == gameObject)
                     {
-                    Debug.Log($"[PingClick] Update手动射线贯穿点中: {name}");
+                        Debug.Log($"[PingClick] Update手动射线贯穿点中 (使用相机: {c.name}): {name}");
                         PerformClick();
                         return;
                     }
                 }
             }
         }
+    }
 
     public void PerformClick()
     {