keep cruise control going when the game is not focused

src/camera.rs

@@ -429,6 +429,10 @@ pub fn apply_input_to_player(
                     axis_input += 1.0 * DVec3::from(player_transform.rotation.inverse() * stop_direction.as_vec3());
                 }
             }
+        } else {
+            if settings.cruise_control_active {
+                axis_input.z += 1.2;
+            }
         }
         // In typical games we would normalize the input vector so that diagonal movement is as
         // fast as forward or sideways movement.  But here, we merely clamp each direction to an