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Contents
# You can define arbitrary events on objects that include this module
# It serves as storage for code to be executed later (when fire is
# called)
# For example:
# class Cursor < Lotu::Actor
# def initialize
# on(:someone_clicked) do
# puts 'Someone clicked me!'
# end
# end
# end
#
# After that you will be able to call #fire(:someone_clicked) from any
# instance of class Cursor.
# If you pair this with input handling, you will get a nice event
# system. Check out the Cursor class to see it in action.
module Lotu
module Eventful
def self.extended(instance)
instance.init_behavior
end
def init_behavior
@events = {}
end
def on(event, &blk)
@events[event] = blk
end
def fire(event, *args)
@events[event].call(*args) if @events[event]
end
end
end
Version data entries
13 entries across 13 versions & 1 rubygems