RTanque etank

class Etank < RTanque::Bot::Brain
  NAME = 'etank'
  include RTanque::Bot::BrainHelper

  def tick!
    self.switch_corners
    self.fire
  end

  def fire
  	self.command.radar_heading = self.sensors.radar_heading + MAX_RADAR_ROTATION
    target = self.sensors.radar.min { |a,b| a.distance <=> b.distance }
    if target
    	self.command.radar_heading = target.heading
    	self.command.turret_heading = target.heading
	    if self.sensors.turret_heading.delta(target.heading).abs < 0.1 #RTanque::Heading::ONE_DEGREE
        self.command.fire(MAX_FIRE_POWER)
        #self.command.fire(MAX_FIRE_POWER/2)
      end
    end
  end

  def switch_corners
    @corner_cycle ||= [:SE, :NE, :NW, :SW].cycle
    self.at_tick_interval(self.camp_interval) {
      self.corner = @corner_cycle.next
      self.reset_camp_interval
    }
    self.corner ||= @corner_cycle.next
    command.heading = self.sensors.position.heading(RTanque::Point.new(*self.corner, self.arena))
    command.speed = MAX_BOT_SPEED
  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 = self.arena.width/3
  end
end