rails styles find_by_* automethods

coldec.rb

# make on_collision_with()


def self.register_collision_classes
  result = instance_methods.grep(/^#{COLLISION_HANDLER_PREFIX}/).map do |method_name|
    name_of_handled = method_name[/^#{COLLISION_HANDLER_PREFIX}_?(.*)/,1]
    Game.referee.track(self.underscore_name,name_of_handled.empty? ? :any : name_of_handled)
  end
end