Update tools.ts (#9)

src/Misc/tools.ts

@@ -692,6 +692,29 @@ export class Tools {
     }
 
     /**
+     * Ask the browser to promote the current element to pointerlock mode
+     * @param element defines the DOM element to promote
+     */
+    public static RequestPointerlock(element: HTMLElement): void {
+        element.requestPointerLock = element.requestPointerLock || (<any>element).msRequestPointerLock || (<any>element).mozRequestPointerLock || (<any>element).webkitRequestPointerLock;
+        if (element.requestPointerLock) {
+            element.requestPointerLock();
+        }
+    }
+
+    /**
+     * Asks the browser to exit pointerlock mode
+     */
+    public static ExitPointerlock(): void {
+        let anyDoc = document as any;
+        document.exitPointerLock = document.exitPointerLock || anyDoc.msExitPointerLock || anyDoc.mozExitPointerLock || anyDoc.webkitExitPointerLock;
+
+        if (document.exitPointerLock) {
+            document.exitPointerLock();
+        }
+    }
+
+    /**
      * Sets the cors behavior on a dom element. This will add the required Tools.CorsBehavior to the element.
      * @param url define the url we are trying
      * @param element define the dom element where to configure the cors policy