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Contents
# A thing is destroyed if a number of lives has been passed.
#
module Lives extend Trait
# TODO def revive!
#
# Prints an amount of information on these capabilities.
#
manual <<-MANUAL
Defines:
lives <some trait>
Example:
lives 10
Call kill! to remove a live. Override killed! to exhibit behaviour.
MANUAL
def self.included target_class
target_class.extend IncludeMethods
end
module IncludeMethods
# Define the amount of lives in the class.
#
def lives amount
include InstanceMethods
class_inheritable_accessor :prototype_lives
self.prototype_lives = amount
hook = lambda { self.lives = self.class.prototype_lives }
InitializerHooks.register self, &hook
end
end
module InstanceMethods
attr_accessor :lives
# Does three things:
# * Deduct 1 live.
# * Check to see if the amount is 0.
# * Calls #destroy! if yes.
#
def killed!
end
def kill!
self.lives -= 1
killed! if self.lives > 0
destroy! if self.lives == 0
end
end
end
Version data entries
15 entries across 15 versions & 1 rubygems