Try to lock angular velocity when not rotating.

src/navigation.rs

@@ -108,7 +108,11 @@ fn movement_controls<S, A: 'static>(
             }
             if input.active(rotate_right) {
                 position.position.rotation *= UnitComplex::new(-delta);
+            } else {
+                velocity.angvel = 0.;
             }
+        } else {
+            velocity.angvel = 0.;
         }
         if direction.length_squared() != 0. {
             commands.entity(entity).remove::<Destination>();