send events to scene

src/scene.rs

@@ -1,4 +1,5 @@
 use view;
+use vr;
 
 extern crate gfx;
 extern crate gfx_device_gl;
@@ -6,6 +7,7 @@ extern crate piston_window;
 
 pub trait Scene<D: gfx::Device,
                 F: gfx::Factory<D::Resources>> {
+  fn event(&mut self, event: Event);
   fn update(&mut self);
   fn render(&self,
             factory: &mut F,
@@ -14,3 +16,8 @@ pub trait Scene<D: gfx::Device,
             target: &gfx::handle::RenderTargetView<D::Resources, view::ColorFormat>,
             depth: &gfx::handle::DepthStencilView<D::Resources, view::DepthFormat>);
 }
+
+pub enum Event {
+  Vr(vr::Event),
+  Piston(piston_window::Input),
+}