game runner

assets/Scripts/AppRoot/AppRoot.ts

@@ -0,0 +1,34 @@
+import { _decorator, Component, Node, director, AudioSource } from "cc";
+import { SaveSystem } from "./SaveSystem";
+const { ccclass, property } = _decorator;
+
+@ccclass("AppRoot")
+export class AppRoot extends Component {
+    @property(AudioSource) private soundSource: AudioSource;
+    @property(AudioSource) private musicSource: AudioSource;
+
+    private static instance: AppRoot;
+    private saveSystem: SaveSystem;
+
+    public static get Instance(): AppRoot {
+        return this.instance;
+    }
+
+    public get SaveSystem(): SaveSystem {
+        return this.saveSystem;
+    }
+
+    public start(): void {
+        if (AppRoot.Instance == null) {
+            AppRoot.instance = this;
+            director.addPersistRootNode(this.node);
+            this.init();
+        } else {
+            this.destroy();
+        }
+    }
+
+    private init(): void {
+        this.saveSystem = new SaveSystem();
+    }
+}