/**
* \brief Do one iteration in the progression of the item.
* \param elapsed_time Elapsed time since the last call.
*/
void rp::zeppelin::progress( bear::universe::time_type elapsed_time )
{
super::progress( elapsed_time );
if ( ! has_forced_movement() && ! game_variables::is_boss_level() &&
! game_variables::is_boss_transition() )
create_default_movement();
} // zeppelin::progress()
/**
* \brief Apply the default movement of the item (forced_movement or
* acceleration and speed).
* \param elapsed_time Elasped time since the last progress.
*/
void bear::universe::physical_item::default_move( time_type elapsed_time )
{
if ( has_forced_movement() )
m_forced_movement.next_position(elapsed_time);
else
{
natural_forced_movement f;
f.set_item( *this );
f.init();
f.next_position( elapsed_time );
}
} // physical_item::default_move()
