Revert to OnMouseDown but heavily enlarge colliders to prevent miss clicks

Assets/Scripts/Interaction/PingClickHandler.cs

@@ -19,13 +19,28 @@ public class PingClickHandler : MonoBehaviour
         var col = GetComponent<Collider>();
         if (col == null)
         {
-            col = gameObject.AddComponent<SphereCollider>();
+            col = gameObject.AddComponent<BoxCollider>();
         }
+
+        // 恢复所有类型碰撞体的强制放大逻辑，之前丢掉了 BoxCollider 的处理导致第一步没法点
+        float scale = Mathf.Max(Mathf.Abs(transform.lossyScale.x), Mathf.Abs(transform.lossyScale.y), Mathf.Abs(transform.lossyScale.z), 0.001f);
+        
         if (col is SphereCollider sphere)
         {
-            float scale = Mathf.Max(Mathf.Abs(transform.lossyScale.x), Mathf.Abs(transform.lossyScale.y), Mathf.Abs(transform.lossyScale.z), 0.001f);
+            sphere.radius = Mathf.Clamp(0.4f / scale, 0.1f, 20f);
-            sphere.radius = Mathf.Clamp(0.3f / scale, 0.05f, 20f);
         }
+        else if (col is BoxCollider box)
+        {
+            float s = Mathf.Clamp(0.8f / scale, 0.1f, 40f);
+            box.size = new Vector3(s, s, s);
+        }
+        else if (col is CapsuleCollider cap)
+        {
+            cap.radius = Mathf.Clamp(0.4f / scale, 0.1f, 20f);
+            cap.height = Mathf.Clamp(0.8f / scale, 0.1f, 40f);
+        }
+
+        col.isTrigger = false;
         col.enabled = true;
 
         CreateOutlineMesh();
@@ -62,36 +77,21 @@ public class PingClickHandler : MonoBehaviour
         while (true) { if (_outlineMesh != null) _outlineMesh.enabled = !_outlineMesh.enabled; yield return new WaitForSeconds(0.4f); }
     }
 
-    // 弃用 Unity 自带的 OnMouseDown，因为它只能检测最外层第一个碰到的物体，会被前面的隐形物体挡住
+    // 恢复使用 OnMouseDown，因为 Update 手动射线可能因为某些相机的 LayerMask 配置导致完全扫不到
-    void Update()
+    void OnMouseDown()
     {
-        if (Input.GetMouseButtonDown(0))
+        Debug.Log($"[PingClick] OnMouseDown 触发: {name}");
-        {
+        PerformClick();
-            if (!_isBlinking) return;
-            
-            foreach (var c in Camera.allCameras)
-            {
-                if (!c.enabled) continue;
-                Ray ray = c.ScreenPointToRay(Input.mousePosition);
-                // 穿透所有物体！
-                RaycastHit[] hits = Physics.RaycastAll(ray, 1000f);
-                foreach (var hit in hits)
-                {
-                    if (hit.collider != null && hit.collider.gameObject == gameObject)
-                    {
-                        Debug.Log($"[PingClick] Update全穿透射线成功点中: {name}");
-                        PerformClick();
-                        return; // 已经处理点击，退出
-                    }
-                }
-            }
-        }
     }
 
     public void PerformClick()
     {
-        if (!_isBlinking) return;
+        if (!_isBlinking) 
-        
+        {
+            Debug.Log($"[PingClick] {name} 忽略点击，因为 _isBlinking=false");
+            return;
+        }
+
         if (!_modelShown)
         {
             _modelShown = true;
@@ -233,13 +233,20 @@ public class PingClickHandler : MonoBehaviour
         var col = GetComponent<Collider>();
         if (col == null)
         {
-            col = gameObject.AddComponent<SphereCollider>();
+            col = gameObject.AddComponent<BoxCollider>();
         }
+        
+        float scale = Mathf.Max(Mathf.Abs(transform.lossyScale.x), Mathf.Abs(transform.lossyScale.y), Mathf.Abs(transform.lossyScale.z), 0.001f);
         if (col is SphereCollider sphere)
         {
-            float scale = Mathf.Max(Mathf.Abs(transform.lossyScale.x), Mathf.Abs(transform.lossyScale.y), Mathf.Abs(transform.lossyScale.z), 0.001f);
+            sphere.radius = Mathf.Clamp(0.4f / scale, 0.1f, 20f);
-            sphere.radius = Mathf.Clamp(0.3f / scale, 0.05f, 20f);
         }
+        else if (col is BoxCollider box)
+        {
+            float s = Mathf.Clamp(0.8f / scale, 0.1f, 40f);
+            box.size = new Vector3(s, s, s);
+        }
+        
         col.enabled = true;
         
         _isBlinking = true;