新增Time/String/Array/Keyboard/Random/Object/Texture辅助类

source/src/ECS/Utils/ObjectUtils.ts

@@ -0,0 +1,20 @@
+class ObjectUtils {
+    /** 
+	 * 对象深度拷贝
+	 * @param p any 源对象
+	 * @param c any 目标对象, 不传则返回新对象, 传则合并属性, 相同名字的属性则会覆盖
+	 */
+    public static clone<T>(p: any, c: T = null): T {
+        var c = c || <T>{};
+        for (let i in p) {
+            if (typeof p[i] === 'object') {
+                c[i] = p[i] instanceof Array ? [] : {};
+                this.clone(p[i], c[i]);
+            }
+            else {
+                c[i] = p[i];
+            }
+        }
+        return c;
+    }
+}