Stub out functions for gizmo planes and fly camera

For next session...

src/editor.rs

@@ -11,22 +11,17 @@ impl Plugin for EditorPlugin {
                 toggle_editor_state.run_if(input_just_pressed(KeyCode::F3)),
             )
             .add_systems(
-                OnTransition {
+                Update,
-                    from: EditorState::Open,
+                toggle_editor_window.run_if(state_changed::<EditorState>),
-                    to: EditorState::Closed,
-                },
-                toggle_editor_window,
-            )
-            .add_systems(
-                OnTransition {
-                    from: EditorState::Closed,
-                    to: EditorState::Open,
-                },
-                toggle_editor_window,
             )
             .add_systems(
                 Update,
+                (
                     handle_window_close.run_if(on_event::<WindowCloseRequested>()),
+                    // plane_gizmos,
+                    // fly_camera,
+                )
+                    .run_if(in_state(EditorState::Open)),
             );
     }
 }
@@ -161,3 +156,12 @@ fn handle_window_close(
             editor_state.set(EditorState::Closed);
         });
 }
+
+fn _plane_gizmos(mut _gizmos: Gizmos) {
+    todo!()
+    // gizmos.line(Vec3::ZERO, Vec3::X, Color::GREEN);
+}
+
+fn _fly_camera(mut _camera: Query<&mut Transform, (With<Camera>, With<EditorTag>)>) {
+    todo!()
+}