add a test script for HMD.getHUDLookAtPositionXX()

examples/controllers/getHUDLookAtPositionTest.js

@@ -0,0 +1,54 @@
+//
+//  getHUDLookAtPositionTest.js
+//  examples/controllers
+//
+//  Created by Brad Hefta-Gaub on 2015/12/15
+//  Copyright 2015 High Fidelity, Inc.
+//
+//  Distributed under the Apache License, Version 2.0.
+//  See the accompanying file LICENSE or http://www.apache.org/licenses/LICENSE-2.0.html
+//
+
+
+// This script demonstrates the testing of the HMD.getHUDLookAtPosition--() functions.
+// If these functions are working correctly, we'd expect to see a 3D cube and a 2D square
+// follow around the center of the HMD view.
+
+var cubePosition = { x: 0, y: 0, z: 0 };
+var cubeSize = 0.03;
+var cube = Overlays.addOverlay("cube", {
+                    position: cubePosition,
+                    size: cubeSize,
+                    color: { red: 255, green: 0, blue: 0},
+                    alpha: 1,
+                    solid: false
+                });
+
+var square = Overlays.addOverlay("text", {
+                    x: 0,
+                    y: 0,
+                    width: 20,
+                    height: 20,
+                    color: { red: 255, green: 255, blue: 0},
+                    backgroundColor: { red: 255, green: 255, blue: 0},
+                    alpha: 1
+                });
+
+
+Script.update.connect(function(deltaTime) {
+    if (!HMD.active) {
+        return;
+    }
+    var lookAt3D = HMD.getHUDLookAtPosition3D();
+    Overlays.editOverlay(cube, { position: lookAt3D });
+
+    var lookAt2D = HMD.getHUDLookAtPosition2D();
+    Overlays.editOverlay(square, { x: lookAt2D.x, y: lookAt2D.y });
+});
+
+Script.scriptEnding.connect(function(){
+    Overlays.deleteOverlay(cube);
+    Overlays.deleteOverlay(square);
+});
+
+