core: split: game and pong

frontend/static/js/api/game/pong/Position.js

@@ -0,0 +1,31 @@
+import { AExchangeable } from "../../AExchangable.js";
+import { Point } from "./Point.js";
+
+export class Position extends AExchangeable
+{
+    /**
+     * @param {Point | Number} location 
+     * @param {Number} time 
+     */
+    constructor(location, time)
+    {
+        super();
+        /**
+         * @type {Point | Number}
+         */
+        this.location = location;
+
+        /**
+         * @type {Number}
+         */
+        this.time = time;
+    }
+
+    /**
+     * @param {[]} additionalFieldList 
+     */
+    export(additionalFieldList)
+    {
+        super.export([...additionalFieldList + "location", "time"]);
+    }
+}