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Contents
module RTanque
class Bot
class Radar
include Enumerable
include Movable
extend NormalizedAttr
VISION_RANGE = Configuration.radar.vision
attr_normalized(:heading, Heading::FULL_RANGE, Configuration.radar.turn_step)
# A Reflection is the information obtained for a bot detected by {RTanque::Bot::Radar}
#
# @attr_reader [RTanque::Heading] heading
# @attr_reader [Float] distance
# @attr_reader [String] name
Reflection = Struct.new(:heading, :distance, :name) do
def self.new_from_points(from_position, to_position, &tap)
self.new(from_position.heading(to_position), from_position.distance(to_position)).tap(&tap)
end
end
def initialize(bot, heading)
@bot = bot
@heading = heading
@reflections = []
end
def position
@bot.position
end
def each(&block)
@reflections.each(&block)
end
def empty?
self.count == 0
end
def scan(bots)
@reflections.clear
bots.each do |other_bot|
if self.can_detect?(other_bot)
@reflections << Reflection.new_from_points(self.position, other_bot.position) { |reflection| reflection.name = other_bot.name }
end
end
self
end
def can_detect?(other_bot)
VISION_RANGE.include?(Heading.delta_between_points(self.position, self.heading, other_bot.position))
end
end
end
end
Version data entries
7 entries across 7 versions & 2 rubygems