lighttroupe/luz-next

class ActorEffectGridTiled < ActorEffect
    title                "Grid Tiled"
    description "Draws actor many times in a grid pattern, out from the center, flipping those in odd columns horizontally and those in odd rows vertically, such that edges are guaranteed to match up with one another."

    category :child_producer

    setting 'offset', :float, :range => -100.0..100.0, :default => 1.0..2.0
    setting 'number_x', :integer, :range => 0..100, :default => 0..2
    setting 'number_y', :integer, :range => 0..100, :default => 0..2

    def render
        total_children = max(number_x.abs + 1, number_y.abs + 1)

        for y in (-number_y..number_y)
            for x in (-number_x..number_x)
                with_translation(x * offset, y * offset) {
                    with_scale(x.odd? ? -1 : 1, y.odd? ? -1 : 1) {
                        yield :child_index => max(x.abs, y.abs), :total_children => total_children
                    }
                }
            end
        end
    end
end