RTanque bot for SRUG code night

mydrive.rb

class Mydrive < RTanque::Bot::Brain
  NAME = 'mydrive'
 include RTanque::Bot::BrainHelper

  CORNERS = [:NW, :NE, :SE, :SW]
  TURRET_FIRE_RANGE = RTanque::Heading::ONE_DEGREE * 1.0

  def tick!
    self.hide_in_corners
    if (target = self.acquire_target)
      self.fire_upon(target)
    else
      self.detect_targets
    end
  end

  def fire_upon(target)
    self.command.radar_heading  = target.heading
    self.command.turret_heading = target.heading

    if self.sensors.turret_heading.delta(target.heading).abs < TURRET_FIRE_RANGE
      self.command.fire(MAX_FIRE_POWER / 5)
    end
  end

  def acquire_target
    target = look_for_players
    return target if target

    self.sensors.radar.min { |a,b| a.distance <=> b.distance }
  end

  def look_for_players
    5.times do

      target = begin
        self.sensors.radar.next
      rescue StopIteration
        break
      end

      return target if [ "MyDriveDestroyer", "Camper", "Seek&Destroy", "Keyboard" ].none? { |x| x == target.name }
    end
  end

  def detect_targets
    self.command.radar_heading  = self.sensors.radar_heading + MAX_RADAR_ROTATION
    self.command.turret_heading = self.sensors.heading + RTanque::Heading::HALF_ANGLE
  end

  def hide_in_corners
    @corner_cycle ||= CORNERS.shuffle.cycle
    self.at_tick_interval(self.camp_interval) {
      self.corner = @corner_cycle.next
      self.reset_camp_interval
    }
    self.corner ||= @corner_cycle.next
    self.move_to_corner
  end

  def move_to_corner
    if self.corner
      command.heading = self.sensors.position.heading(RTanque::Point.new(*self.corner, self.arena))
      command.speed = MAX_BOT_SPEED
    end
  end

  def corner=(corner_name)
    @corner = case corner_name
      when :NE
        [self.arena.width, self.arena.height]
      when :SE
        [self.arena.width, 0]
      when :SW
        [0, 0]
      else
        [0, self.arena.height]
    end
  end

  def corner
    @corner
  end

  def camp_interval
    @camp_interval ||= self.reset_camp_interval
  end

  def reset_camp_interval
    @camp_interval = 200
  end

    # use self.sensors to detect things
    # See http://rubydoc.info/github/awilliams/RTanque/master/RTanque/Bot/Sensors
    
    # use self.command to control tank
    # See http://rubydoc.info/github/awilliams/RTanque/master/RTanque/Bot/Command
    
    # self.arena contains the dimensions of the arena
    # See http://rubydoc.info/github/awilliams/RTanque/master/frames/RTanque/Arena
end