lighttroupe/luz

multi_require 'child_user_object', 'drawing'

class ActorEffect < ChildUserObject
    include Drawing

    RADIUS = 0.5         # (used by children)

    attr_accessor :parent_user_object      # set just before render time

    def self.new_renderer
        GuiUserObjectClassRenderer.new(self)
    end
    def new_renderer
        GuiActorEffectRenderer.new(self)
    end

    def after_load
        set_default_instance_variables(:enabled => true)
        super
    end

    #
    # helper methods for use inside plugin tick/render methods
    #
    def child_index
        $env[:child_index] || 0
    end

    def total_children
        $env[:total_children] || 1
    end

    def child_number
        child_index + 1
    end

    #
    # default implementations
    #
    def render
        yield        # dfeault just renders Actor once (ie does nothing)
    end
end