[add] first

assets/scripts/core/pattern/singleton.ts

@@ -0,0 +1,20 @@
+
+export class Singleton {
+
+    private static _instance: any = null;
+
+    public static get Instance() {
+        if (!this._instance) {
+            this._instance = new this();
+            
+        }
+        return this._instance;
+    }
+
+    public init() {}
+
+    public clear() {
+        Singleton._instance = null;
+    }
+
+}

assets/scripts/core/pattern/singleton.ts.meta

@@ -0,0 +1,9 @@
+{
+  "ver": "4.0.23",
+  "importer": "typescript",
+  "imported": true,
+  "uuid": "f3e08382-b420-4a5d-8f37-0a3326c65402",
+  "files": [],
+  "subMetas": {},
+  "userData": {}
+}