More minor cleanup, remove pitch control, embiggen sphere.

src/action.rs

@@ -57,16 +57,6 @@ fn falling_cat(time: Res<Time>, mut bike_query: Query<&mut Transform, With<Cyber
     }
 }
 
-fn apply_velocity(time: Res<Time>, mut bike_query: Query<(&mut Transform, &CyberBikeState)>) {
-    let dt = time.delta_seconds();
-
-    let (mut bike_xform, state) = bike_query.single_mut();
-
-    if state.velocity.is_finite() {
-        bike_xform.translation += state.velocity * dt;
-    }
-}
-
 fn update_velocity(
     time: Res<Time>,
     settings: Res<MovementSettings>,
@@ -110,6 +100,34 @@ fn update_velocity(
     state.velocity = vel;
 }
 
+fn apply_velocity(time: Res<Time>, mut bike_query: Query<(&mut Transform, &CyberBikeState)>) {
+    let dt = time.delta_seconds();
+
+    let (mut bike_xform, state) = bike_query.single_mut();
+
+    if state.velocity.is_finite() {
+        bike_xform.translation += state.velocity * dt;
+    }
+}
+
+fn steer_cyberbike(
+    settings: Res<MovementSettings>,
+    windows: Res<Windows>,
+    time: Res<Time>,
+    istate: Res<InputState>,
+    mut query: Query<&mut Transform, With<CyberBike>>,
+) {
+    let window = windows.get_primary().unwrap();
+    let window_scale = window.height().min(window.width());
+    let dt = time.delta_seconds();
+    let mut transform = query.single_mut();
+
+    let d_yaw = (settings.sensitivity * dt * window_scale * istate.yaw).to_radians();
+    let rotation = Quat::from_axis_angle(transform.local_y(), d_yaw);
+
+    transform.rotate(rotation);
+}
+
 fn collisions(
     mut events: EventReader<CollisionEvent>,
     mut query: Query<(&Transform, &mut CyberBikeState)>,
@@ -142,6 +160,7 @@ impl Plugin for CyberPhysicsPlugin {
             .add_system(collisions)
             .add_system(falling_cat)
             .add_system(update_velocity)
+            .add_system(steer_cyberbike)
             .add_system(apply_velocity);
     }
 }

src/camera.rs

@@ -1,10 +1,6 @@
 use bevy::prelude::*;
 
-use crate::{
-    action::MovementSettings,
-    geometry::{CyberBike, SPAWN_ALTITUDE},
-    input::InputState,
-};
+use crate::geometry::{CyberBike, SPAWN_ALTITUDE};
 
 pub(crate) const CAM_DIST: f32 = 15.0;
 
@@ -21,7 +17,7 @@ fn setup_cybercam(mut commands: Commands) {
         .insert(CyberCam);
 }
 
-fn follow_player(
+fn follow_cyberbike(
     bike_query: Query<&Transform, (Without<CyberCam>, With<CyberBike>)>,
     mut cam_query: Query<&mut Transform, (With<CyberCam>, Without<CyberBike>)>,
 ) {
@@ -36,31 +32,10 @@ fn follow_player(
     cam_xform.look_at(look_at, up);
 }
 
-fn player_look(
-    settings: Res<MovementSettings>,
-    windows: Res<Windows>,
-    time: Res<Time>,
-    istate: Res<InputState>,
-    mut query: Query<&mut Transform, With<CyberBike>>,
-) {
-    let window = windows.get_primary().unwrap();
-    let window_scale = window.height().min(window.width());
-    let dt = time.delta_seconds();
-    let mut transform = query.single_mut();
-
-    let d_pitch = (settings.sensitivity * dt * window_scale * istate.pitch).to_radians();
-    let d_yaw = (settings.sensitivity * dt * window_scale * istate.yaw).to_radians();
-    let rotation = Quat::from_axis_angle(transform.local_y(), d_yaw)
-        * Quat::from_axis_angle(transform.local_x(), d_pitch);
-
-    transform.rotate(rotation);
-}
-
 pub struct CyberCamPlugin;
 impl Plugin for CyberCamPlugin {
     fn build(&self, app: &mut bevy::prelude::App) {
         app.add_startup_system(setup_cybercam)
-            .add_system(follow_player)
-            .add_system(player_look);
+            .add_system(follow_cyberbike);
     }
 }

src/geometry.rs

@@ -1,7 +1,7 @@
 use bevy::prelude::*;
 use heron::prelude::{CollisionShape, RigidBody};
 
-pub const PLANET_RADIUS: f32 = 150.0;
+pub const PLANET_RADIUS: f32 = 350.0;
 pub(crate) const SPAWN_ALTITUDE: f32 = PLANET_RADIUS + 100.0;
 
 #[derive(Component, Debug)]
@@ -19,7 +19,7 @@ fn spawn_giant_sphere(
         .spawn_bundle(PbrBundle {
             mesh: meshes.add(Mesh::from(shape::Icosphere {
                 radius: PLANET_RADIUS,
-                subdivisions: 6,
+                subdivisions: 8,
             })),
             material: materials.add(StandardMaterial {
                 base_color: Color::GRAY,

src/input.rs

@@ -1,18 +1,15 @@
 use bevy::{
     app::{Events, ManualEventReader},
-    prelude::{
-        info, App, GamepadAxisType, GamepadButtonType, GamepadEvent, GamepadEventType, Plugin, Res,
-        ResMut,
-    },
+    prelude::*,
 };
 
 #[derive(Default)]
 pub(crate) struct InputState {
     event_reader: ManualEventReader<GamepadEvent>,
-    pub pitch: f32,
     pub yaw: f32,
     pub throttle: f32,
     pub brake: bool,
+    pub _pitch: f32,
 }
 
 fn update_input(events: Res<Events<GamepadEvent>>, mut istate: ResMut<InputState>) {
@@ -34,9 +31,8 @@ fn update_input(events: Res<Events<GamepadEvent>>, mut istate: ResMut<InputState
             GamepadEventType::AxisChanged(GamepadAxisType::LeftStickX, val) => {
                 istate.yaw = -val;
             }
-            GamepadEventType::AxisChanged(GamepadAxisType::LeftStickY, val) => {
-                istate.pitch = -val;
-            }
+            // ignore spurious vertical movement for now
+            GamepadEventType::AxisChanged(GamepadAxisType::LeftStickY, _) => {}
             _ => {
                 info!("unhandled gamepad event: {:?}", ev);
             }