From ec126f16d54272fe36acf6843f30341861ff267d Mon Sep 17 00:00:00 2001
From: Stephen Birarda <commit@birarda.com>
Date: Thu, 30 Oct 2014 10:43:10 -0700
Subject: [PATCH] make the oculus reticle a sphere overlay

---
 examples/lobby.js | 37 ++++++++++++++++++++++---------------
 1 file changed, 22 insertions(+), 15 deletions(-)

diff --git a/examples/lobby.js b/examples/lobby.js
index 62df410c70..c911811f61 100644
--- a/examples/lobby.js
+++ b/examples/lobby.js
@@ -35,7 +35,7 @@ var orbCenter = Vec3.multiply(orbNaturalCenter, SCALING_FACTOR);
 var panelsCenter = Vec3.multiply(panelsNaturalCenter, SCALING_FACTOR);
 var panelsCenterShift = Vec3.subtract(panelsCenter, orbCenter);
 
-var ORB_SHIFT = { x: 0, y: -1.5, z: 0.5};
+var ORB_SHIFT = { x: 0, y: -1.4, z: -0.8};
 
 function drawLobby() {
   if (!panelWall) {
@@ -66,19 +66,15 @@ function drawLobby() {
     panelWall = Overlays.addOverlay("model", panelWallProps);
     orbShell = Overlays.addOverlay("model", orbShellProps);
     
-    //  Create a reticle image in center of screen 
-    var screenSize = Controller.getViewportDimensions();
-    var reticleProps = {
-      x: screenSize.x / 2 - 16,
-      y: screenSize.y / 2 - 16,
-      width: 32,
-      height: 32,
-      color: { red: 255, green: 255, blue: 255},
-      alpha: 1,
-      imageURL: HIFI_PUBLIC_BUCKET + "images/reticle.png",
-    }; 
-    
-    reticle = Overlays.addOverlay("image", reticleProps);
+    //  Create a reticle in center of screen
+    var RETICLE_SPHERE_SIZE = 0.05;
+    reticle = Overlays.addOverlay("sphere", {
+      position: Vec3.sum(Camera.getPosition(), Quat.getFront(Camera.getOrientation())),
+      size: RETICLE_SPHERE_SIZE,
+      color: { red: 0, green: 255, blue: 0 },
+      alpha: 1.0,
+      solid: true
+    });
   }
 }
 
@@ -109,6 +105,8 @@ function cleanupLobby() {
   Overlays.deleteOverlay(orbShell);
   Overlays.deleteOverlay(reticle);
   panelWall = false;
+  orbShell = false;
+  reticle = false;
   locations = {};
   toggleEnvironmentRendering(true);
 }
@@ -164,7 +162,16 @@ function toggleEnvironmentRendering(shouldRender) {
   Menu.setIsOptionChecked("Avatars", shouldRender);
 }
 
+function update(deltaTime) {
+  maybeCleanupLobby();
+  if (reticle) {
+    Overlays.editOverlay(reticle, {
+      position: Vec3.sum(Camera.getPosition(), Quat.getFront(Camera.getOrientation()))
+    });
+  }
+}
+
 Controller.actionStartEvent.connect(actionStartEvent);
 Controller.backStartEvent.connect(backStartEvent);
-Script.update.connect(maybeCleanupLobby);
+Script.update.connect(update);
 Script.scriptEnding.connect(maybeCleanupLobby);
\ No newline at end of file