add vrcontrols definition

threejs/tests/examples/controls/vrcontrols.ts

@@ -0,0 +1,18 @@
+/// <reference path="../../../three.d.ts" />
+/// <reference path="../../../three-vrcontrols.d.ts" />
+
+var _vrControls = new THREE.VRControls(new THREE.Camera());
+
+_vrControls.update();
+
+_vrControls.scale = 25;
+
+window.addEventListener("keydown", (ev) => {
+    if (ev.keyCode == "R".charCodeAt(0)) {
+        _vrControls.zeroSensor();
+    }
+});
+
+window.addEventListener("touchstart", (ev) => {
+    _vrControls.zeroSensor();
+});