added keyboard binding to simulate viewer movement

src/main.rs

@@ -55,8 +55,8 @@ fn main() {
         .add_startup_system(setup_threaded_tracker)
         
         .add_plugin(CameraProjectionPlugin::<OffAxisProjection>::default())
-        .add_system(simulate_viewer_with_circle)
+        // .add_system(simulate_viewer_with_circle)
-        // .add_system(simulate_viewer_with_keyboard)
+        .add_system(simulate_viewer_with_keyboard)
         .add_system(apply_viewer_to_projections)
         .add_system(toggle_fullscreeen)
         .run();

src/viewer.rs

@@ -81,14 +81,18 @@ pub fn simulate_viewer_with_keyboard(
     input: Res<Input<KeyCode>>,
     time: Res<Time>,
 ) {
+
+    let offset = Vec3::new(0.0,0.0,8f32);
+
     for mut viewer in query.iter_mut() {
         if input.pressed(KeyCode::W) {
             viewer.position += Vec3::Z * time.delta_seconds();
         } else if (input.pressed(KeyCode::S)) {
             viewer.position -= Vec3::Z * time.delta_seconds();
+        } else if input.pressed(KeyCode::A) {
+            viewer.position -= Vec3::X * time.delta_seconds();
+        } else if input.pressed(KeyCode::D) {
+            viewer.position += Vec3::X * time.delta_seconds();
         }
     }
-
-
-
 }