feat(init): 搭建初始的项目框架

Assets/Script/Core/UI/UICamera.cs

@@ -0,0 +1,32 @@
+using UnityEngine;
+
+namespace Core
+{
+    [RequireComponent(typeof(Camera))]
+    public class UICamera : MonoBehaviour
+    {
+        public static UICamera Instance { get; private set; }
+        private Camera uiCamera;
+
+        private void Awake()
+        {
+            if (Instance != null && Instance != this)
+            {
+                Destroy(gameObject);
+                return;
+            }
+            Instance = this;
+
+            uiCamera = GetComponent<Camera>();
+            uiCamera.clearFlags = CameraClearFlags.Depth;
+            uiCamera.cullingMask = LayerMask.GetMask("UI");
+            uiCamera.orthographic = true;
+            uiCamera.depth = 100; // 确保在主相机之后渲染
+        }
+
+        public Camera GetCamera()
+        {
+            return uiCamera;
+        }
+    }
+}