factorio mod sample

gistfile1.lua

mod_moving_state = {direction = nil, tick = 0}

commands.add_command("keep_going", nil, function(command)
    mod_moving_state = {direction = defines.direction.north, tick = 30}
  end)

script.on_event(defines.events.on_tick,
    function(event)
        if mod_moving_state.tick > 0 then
            game.get_player(1).walking_state = {walking = true, direction = mod_moving_state.direction }
            mod_moving_state = { direction = mod_moving_state.direction, tick = mod_moving_state.tick - 1 }
        end
    end
)