v1.2

assets/SceneGame.fire

@@ -122,7 +122,7 @@
         1,
         1,
         1,
-        1
+        0.31666666666666665
       ]
     },
     "_eulerAngles": {
@@ -643,7 +643,7 @@
       "width": 1080,
       "height": 1920
     },
-    "_fitWidth": true,
+    "_fitWidth": false,
     "_fitHeight": false,
     "_id": "6d1ebIvmZJPqKflif+HTsU"
   },
@@ -655,6 +655,6 @@
       "__id__": 2
     },
     "_enabled": true,
-    "_id": "e7Qc+zZkdDeabOFueN7izj"
+    "_id": "b6/k9iZ/BOq7igiEs0QR6w"
   }
 ]

assets/Script/SceneAdapter.ts

@@ -9,8 +9,20 @@ const { ccclass, menu } = cc._decorator;
 @ccclass
 @menu('Comp/SceneAdapter')
 export default class SceneAdapter extends cc.Component {
-
     protected onLoad() {
+        let cvs = this.node.getComponent(cc.Canvas);
+        if (cvs === null) {
+            cc.warn(`节点${this.node.name}没有cc.Canvas组件, SceneAdapter添加失败!`);
+            this.destroy();
+            return;
+        }
+        if (cvs.designResolution.width < cvs.designResolution.height) {
+            cvs.fitWidth = true;
+            cvs.fitHeight = false;
+        } else {
+            cvs.fitWidth = false;
+            cvs.fitHeight = true;
+        }
         this.resize();
         cc.view.setResizeCallback(this.resize.bind(this));
     }
@@ -28,4 +40,4 @@ export default class SceneAdapter extends cc.Component {
             }
         }
     }
-}
+}