RTanque bot

libby_bot

class LibbyBot < RTanque::Bot::Brain
  NAME = 'libby_bot'
  include RTanque::Bot::BrainHelper

  TURRET_FIRE_RANGE = RTanque::Heading::ONE_DEGREE * 1.0

  def tick!
    self.move_randomly

    if (target = self.nearest_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(3)
    end
  end

  def nearest_target
    self.sensors.radar.min { |a,b| a.distance <=> b.distance }
  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 move_randomly
    self.at_tick_interval(2) {
      command.heading = sensors.heading + RTanque::Heading.new_from_degrees(rand(5))
      command.speed = MAX_BOT_SPEED
    }
  end
end