lighttroupe/luz-next

class ActorEffectRadialBlurRepeater < ActorEffect
    title                "Radial Blur Repeater"
    description "A blur effect created by repeating the actor multiple times, each larger than the last."

    categories :color

    setting 'amount', :float, :range => 0.0..100.0, :default => 0.0..0.5
    setting 'number', :integer, :range => 1..1000, :default => 0..2

    def render
        return yield if number == 1 or amount == 0.0

        with_pixel_combine_function(:brighten) {
            with_multiplied_alpha(1.0 / number) {
                number.times { |n|
                    with_scale(1.0 + (amount * n)) {
                        yield :child_index => n, :total_children => number
                    }
                }
            }
        }
    end
end