use trackpad to move camera/world

src/bin/vrtue.rs

@@ -26,7 +26,7 @@ pub fn main() {
   'main:
   //while let Some(_) = window.next() {
   loop {
-    scene.update(&mut window.encoder);
+    scene.update(&mut vr, &mut window.encoder);
     view.draw(&mut window, &mut vr, &scene);
 
     // handle window events
@@ -38,6 +38,11 @@ pub fn main() {
 
       scene.event(Event::Piston(ev));
     }
+
+    // handle VR events
+    while let Some(ev) = vr.poll_next_event() {
+      scene.event(Event::Vr(ev));
+    }
   }
 
   debug!("shutting down");