Just more physics tweaks.

Things are stable and it doesn't get its steering stuck, plus it spawns near the ground.

src/action.rs

@@ -39,6 +39,7 @@ fn setup_colliders(
             ..Default::default()
         }
         .into(),
+        mass_properties: ColliderMassProps::Density(0.0).into(),
         ..Default::default()
     };
     commands
@@ -47,9 +48,20 @@ fn setup_colliders(
         .insert_bundle(pcollide);
 
     let (bike, xform) = bike_query.single();
+    setup_bike(bike, xform, &mut commands);
+}
+
+fn setup_bike(bike: Entity, xform: &Transform, commands: &mut Commands) {
     let mut bbody = RigidBodyBundle::default();
-    bbody.damping.angular_damping = 0.7;
-    bbody.damping.linear_damping = 0.4;
+    bbody.damping.angular_damping = 0.5;
+    bbody.damping.linear_damping = 0.3;
+    bbody.forces = RigidBodyForces {
+        torque: Vec3::ZERO.into(),
+        ..Default::default()
+    }
+    .into();
+    bbody.mass_properties =
+        MassProperties::new(Vec3::ZERO.into(), 0.5, Vec3::new(0.0, 0.01, 0.0).into()).into();
     let isometry = Isometry::from_parts(xform.translation.into(), xform.rotation.into());
     bbody.position = isometry.into();
     // collider

src/geometry.rs

@@ -3,7 +3,7 @@ use bevy::prelude::*;
 use crate::Label;
 
 pub const PLANET_RADIUS: f32 = 860.0;
-pub(crate) const SPAWN_ALTITUDE: f32 = PLANET_RADIUS + 100.0;
+pub(crate) const SPAWN_ALTITUDE: f32 = PLANET_RADIUS + 2.0;
 
 #[derive(Component, Debug)]
 pub struct CyberBike;
@@ -44,7 +44,7 @@ fn spawn_cyberbike(mut commands: Commands, asset_server: Res<AssetServer>) {
                 translation: Vec3::new(SPAWN_ALTITUDE, 0.0, 0.0),
                 ..Default::default()
             }
-            .looking_at(Vec3::ZERO, Vec3::Y),
+            .looking_at(Vec3::new(PLANET_RADIUS, 1000.0, 0.0), Vec3::X),
             GlobalTransform::identity(),
         ))
         .with_children(|rider| {

src/main.rs

@@ -11,13 +11,14 @@ use cyber_rider::{
 };
 
 const MOVEMENT_SETTINGS: MovementSettings = MovementSettings {
-    sensitivity: 50.0, // default: 1.0
-    accel: 12.0,       // default: 40.0
+    sensitivity: 10.0, // default: 1.0
+    accel: 20.0,       // default: 40.0
 };
 
 fn main() {
     let mut app = App::new();
     app.insert_resource(Msaa { samples: 4 })
+        .insert_resource(ClearColor(Color::rgb(0.07, 0.001, 0.02)))
         .add_plugins(DefaultPlugins)
         .add_plugin(CyberGeomPlugin)
         .add_plugin(CyberGlamorPlugin)