# moved.ludic - the ground the ridden vehicle covers, added up rather than said a frame at a time: a
# fact a frame was a new record a frame, and Ludic frees nothing. The game takes the sum when it asks.
function ve_moved_add(vehicles_st: mut VehiclesState, v: Vehicle, d: float) -> void {
  vehicles_st.ve_moved += d
  vehicles_st.ve_moved_kind = v.kind
  vehicles_st.ve_moved_x = v.x
  vehicles_st.ve_moved_z = v.z
}

# the metres covered since the last take (0 when nothing moved), and the sum starts again
export function vehicle_moved_take(vehicles_st: mut VehiclesState) -> float {
  let d = vehicles_st.ve_moved
  vehicles_st.ve_moved = 0.0
  return d
}
# what covered them, and where it was when it last moved
export function vehicle_moved_kind(vehicles_st: VehiclesState) -> int { return vehicles_st.ve_moved_kind }
export function vehicle_moved_x(vehicles_st: VehiclesState) -> float { return vehicles_st.ve_moved_x }
export function vehicle_moved_z(vehicles_st: VehiclesState) -> float { return vehicles_st.ve_moved_z }