Enable continuous collision detection and deterministic torque application order.

src/action.rs

@@ -60,6 +60,11 @@ fn setup_bike(bike: Entity, xform: &Transform, commands: &mut Commands) {
         ..Default::default()
     }
     .into();
+    bbody.ccd = RigidBodyCcd {
+        ccd_enabled: true,
+        ..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());
@@ -141,7 +146,7 @@ impl Plugin for CyberActionPlugin {
             .add_plugin(RapierPhysicsPlugin::<NoUserData>::default())
             .add_startup_system_to_stage(StartupStage::PostStartup, setup_colliders)
             .add_system(gravity)
-            .add_system(falling_cat)
-            .add_system(update_forces);
+            .add_system(falling_cat.label("cat"))
+            .add_system(update_forces.after("cat"));
     }
 }

src/lights.rs

@@ -23,7 +23,7 @@ fn spawn_moving_lights(
 ) {
     let rng = &mut thread_rng();
     // spawn orbiting bisexual lights
-    for _ in 0..255 {
+    for _ in 0..655 {
         // mechanics
         let axis = crate::random_unit_vec(rng);
         let angle = rng.gen_range(0.0..TAU);