Class: Lotu::StalkerSystem

Inherits:
BaseSystem show all
Defined in:
lib/lotu/systems/stalker_system.rb

Instance Method Summary collapse

Methods inherited from BaseSystem

#draw, #dt

Constructor Details

#initialize(user, opts = {}) ⇒ StalkerSystem

Returns a new instance of StalkerSystem.



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# File 'lib/lotu/systems/stalker_system.rb', line 4

def initialize(user, opts={})
  super
  default_opts = {
    :stalk => [Actor],
    :ticks_per_update => 30
  }
  opts = default_opts.merge!(opts)
  @ticks = 0
  @ticks_per_update = opts[:ticks_per_update]
  @stalked = {}
  opts[:stalk].each do |type|
    @stalked[type] = 0
  end
end

Instance Method Details

#to_s ⇒ Object 



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# File 'lib/lotu/systems/stalker_system.rb', line 29

def to_s
  @stalked.map do |type, count|
    "#{type}: #{count}"
  end
end

#update ⇒ Object 



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# File 'lib/lotu/systems/stalker_system.rb', line 19

def update
  @ticks += 1
  if @ticks >= @ticks_per_update
    @stalked.each_key do |type|
      @stalked[type] = ObjectSpace.each_object(type).count
    end
    @ticks = 0
  end
end