添加加载遮罩

assets/Scene.ls

@@ -7,8 +7,8 @@
   "top": 0,
   "bottom": 0,
   "name": "Scene2D",
-  "width": 1080,
-  "height": 1920,
+  "width": 1920,
+  "height": 1080,
   "_$comp": [
     {
       "_$type": "7bad1742-6eed-4d8d-81c0-501dc5bf03d6",
@@ -17,7 +17,10 @@
     },
     {
       "_$type": "cd70cd5e-b4cd-4277-ac0a-2224cfbe89ac",
-      "scriptPath": "../src/models/UIManager.ts"
+      "scriptPath": "../src/models/UIManager.ts",
+      "mask": {
+        "_$ref": "2668mvhf"
+      }
     }
   ],
   "_$child": [
@@ -25,12 +28,25 @@
       "_$id": "4rxcl2w3",
       "_$type": "Panel",
       "name": "UIRoot",
-      "x": -420,
-      "y": 420,
       "width": 1920,
       "height": 1080,
+      "_mouseState": 2,
       "centerX": 0,
       "centerY": 0
+    },
+    {
+      "_$id": "2668mvhf",
+      "_$type": "Image",
+      "name": "mask",
+      "width": 1920,
+      "height": 1080,
+      "alpha": 0,
+      "left": 0,
+      "right": 0,
+      "top": 0,
+      "bottom": 0,
+      "skin": "res://a98f334e-ce04-4cd0-8fc5-bbdf9b048609",
+      "color": "#ffffff"
     }
   ]
 }