diff --git a/threejs/three-trackballcontrols.d.ts b/threejs/three-trackballcontrols.d.ts
index 21d0968125..e969bcb5e5 100644
--- a/threejs/three-trackballcontrols.d.ts
+++ b/threejs/three-trackballcontrols.d.ts
@@ -29,5 +29,13 @@ declare module THREE {
         keys:number[];
 
         update():void;
+        reset():void;
+        checkDistances():void;
+        zoomCamera():void;
+        panCamera():void;
+        rotateCamera():void;
+
+        handleResize():void;
+        handleEvent(event: any):void;
     }
-}
\ No newline at end of file
+}