(client)chore:修改了摄像机的跟踪方式，摄像机控制不再使用单例

Client/Assets/Scripts/CameraControl/CameraControl.cs

@@ -6,9 +6,6 @@ namespace CameraControl
 {
     public class CameraControl : Utils.MonoSingleton<CameraControl>, ITick, ITickUI
     {
-        // 当前被聚焦的目标实体
-        public Entity.Entity focusedEntity = null;
-
         // Camera movement variables
         private Vector3 _dragOrigin;
         private bool _isDragging = false;
@@ -50,12 +47,12 @@ namespace CameraControl
         }
         public void Tick()
         {
-            if (focusedEntity)
+            if (Program.Instance.focusedEntity)
             {
                 // Follow the focused entity's position
                 var targetPosition = new Vector3(
-                    focusedEntity.Position.x,
-                    focusedEntity.Position.y,
+                    Program.Instance.focusedEntity.Position.x,
+                    Program.Instance.focusedEntity.Position.y,
                     _camera.transform.position.z);
 
                 _camera.transform.position = Vector3.Lerp(
@@ -86,7 +83,8 @@ namespace CameraControl
             {
                 _dragOrigin = _camera.ScreenToWorldPoint(Input.mousePosition);
                 _isDragging = true;
-                focusedEntity = null; // Clear focus when manually moving camera
+                Program.Instance.focusedEntity.PlayerControlled = false;
+                Program.Instance.focusedEntity = null; // Clear focus when manually moving camera
             }
 
             // During drag