next pass at seeing voxels

examples/seeingVoxelsExample.js

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+//
+//  seeingVoxelsExample.js
+//  hifi
+//
+//  Created by Brad Hefta-Gaub on 2/26/14
+//  Copyright (c) 2014 HighFidelity, Inc. All rights reserved.
+//
+//  This is an example script
+//
+
+var count = 0;
+var yawDirection = -1;
+var yaw = 45;
+var yawMax = 70;
+var yawMin = 20;
+
+var isLocal = true;
+
+// set up our VoxelViewer with a position and orientation
+var orientation = Quat.fromPitchYawRoll(0, yaw, 0);
+
+if (isLocal) {
+    MyAvatar.position = {x: 10, y: 0, z: 10};
+    MyAvatar.orientation = orientation;
+} else {
+    VoxelViewer.setPosition({x: 10, y: 0, z: 10});
+    VoxelViewer.setOrientation(orientation);
+    VoxelViewer.queryOctree();
+    Agent.isAvatar = true;
+}
+
+function keepLooking() {
+    //print("count =" + count);
+    count++;
+    if (count % 10 == 0) {
+        yaw += yawDirection;
+        orientation = Quat.fromPitchYawRoll(0, yaw, 0);
+        if (yaw > yawMax || yaw < yawMin) {
+            yawDirection = yawDirection * -1;
+        }
+
+        print("calling VoxelViewer.queryOctree()... count=" + count + " yaw=" + yaw);
+
+        if (isLocal) {
+            MyAvatar.orientation = orientation;
+        } else {
+            VoxelViewer.setOrientation(orientation);
+            VoxelViewer.queryOctree();
+        }
+        
+    }
+}
+
+function scriptEnding() {
+    print("SCRIPT ENDNG!!!\n");
+}
+
+// register the call back so it fires before each data send
+Script.willSendVisualDataCallback.connect(keepLooking);
+
+// register our scriptEnding callback
+Script.scriptEnding.connect(scriptEnding);
+