fix for issue #5

- this need to be tested adding more than one marker.

Author: kalwalt

dist/ar.js

@@ -1,18 +1,17 @@
-import { EventDispatcher, Object3D} from "three";
+import { EventDispatcher, Object3D } from "three";
 import { IArBaseControls } from "./CommonInterfaces/THREEx-interfaces";
 
 export class ArBaseControls extends EventDispatcher implements IArBaseControls {
-    static id: number;
-    private _id;
+    static _id: number = 0;
+    private id: number;
     protected object3d: Object3D;
     /**
      * THe ArBaseControls constructor, you need to pass a Theee.js Object3d to it.
      * @param object3d the Threejs Object3D to pass.
      */
     constructor(object3d: Object3D) {
         super()
-        this._id = ArBaseControls.id++;
-
+        this.id = ArBaseControls._id++
         this.object3d = object3d;
         this.object3d.matrixAutoUpdate = false;
         this.object3d.visible = false;

src/ArBaseControls.ts

@@ -1,8 +1,8 @@
 import { EventDispatcher, Object3D } from "three";
 import { IArBaseControls } from "./CommonInterfaces/THREEx-interfaces";
 export declare class ArBaseControls extends EventDispatcher implements IArBaseControls {
-    static id: number;
-    private _id;
+    static _id: number;
+    private id;
     protected object3d: Object3D;
     constructor(object3d: Object3D);
     update(): void;