注意：更改了trackpercentpoint的逻辑

Signed-off-by: TRAfoer <lhf190@outlook.com>

Assets/Scripts/Manager/InputListener.cs

@@ -20,6 +20,8 @@ namespace Ichni.Editor
         public GameObject hoveredUI;
         public EventSystem eventSystem;
         public List<GraphicRaycaster> graphicRaycasters;
+        private List<SelectionConnector> lastHitConnectors = new List<SelectionConnector>();
+        private int currentSelectIndex = 0;
 
         private void Awake()
         {
@@ -260,15 +262,31 @@ namespace Ichni.Editor
 
         private void ClickSelectElement()
         {
+
             if (Mouse.current.leftButton.wasPressedThisFrame && !isPointerOverUI)
             {
                 Vector2 mousePosition = Mouse.current.position.ReadValue();
                 Ray ray = EditorManager.instance.cameraManager.currentCamera.ScreenPointToRay(mousePosition);
-                if (Physics.Raycast(ray, out RaycastHit hit, float.MaxValue, LayerMask.GetMask("Selectable")))
+                RaycastHit[] hits = Physics.RaycastAll(ray, 500f, LayerMask.GetMask("Selectable"));
+
+                var hitConnectors = hits
+                    .Select(hit => hit.collider.GetComponent<SelectionConnector>())
+                    .Where(connector => connector != null)
+                    .ToList();
+
+                if (hitConnectors.Count == 0) return;
+
+                // 如果点击对象列表变化，重置索引
+                if (!Enumerable.SequenceEqual(hitConnectors, lastHitConnectors))
                 {
-                    SelectionConnector connector = hit.collider.GetComponent<SelectionConnector>();//TODO: 对于Hold这种复杂的元素，需要使用连接脚本进行获取
-                    (connector.connectedGameElement as IHaveSelectSubmodule)?.selectSubmodule.SelectGameElement();
+                    lastHitConnectors = hitConnectors;
+                    currentSelectIndex = 0;
                 }
+
+                var connector = lastHitConnectors[currentSelectIndex];
+                (connector.connectedGameElement as IHaveSelectSubmodule)?.selectSubmodule.SelectGameElement();
+
+                currentSelectIndex = (currentSelectIndex + 1) % lastHitConnectors.Count;
             }
         }
     }