Deathbot

gistfile1.txt

require 'rrobots'

class Deathbot
  include Robot
  def tick events
    @turn_speed = 2 if @turn_speed.nil?
    @time_turned = 0 if @time_turned.nil?

    if (!events['robot_scanned'].empty?)
      accelerate -1
      turn @turn_speed *= -1
      fire 1
    end

    if against_wall?
      change_direction
      @time_turned = time
    else
      accelerate 1
      turn @turn_speed
      turn_gun @turn_speed * 1.1
    end

    #slow down if recently got hit, otherwise speed up
    if @last_hit && time - @last_hit < 20
      accelerate(-1)
    else
      accelerate 1
    end
  end

  def against_wall?
    if x <= size or x >= battlefield_width-size or
        y <= size or y >= battlefield_width-size
      return true
    end
    return false
  end

  def change_direction
    if x <= size
      if heading > 270
        turn 10
      else
        turn -10
      end
    end

    if x >= battlefield_width-size
      if heading > 90
        turn 10
      else
        turn -10
      end
    end

    if y <= size
      if heading > 180
        turn 10
      else
        turn -10
      end
    end

    if y >= battlefield_height-size
      if heading > 0 and heading < 90
        turn 10
      else
        turn -10
      end
    end
  end

end