lighttroupe/luz-next

require 'cycle_logic'

class ProjectEffectDirectorCycle < ProjectEffect
    include CycleLogic

    title                "Director Cycle"
    description "Moves between chosen directors using forwards and backwards events, showing at most two at a time."

    setting 'directors', :directors, :summary => true

    setting 'forwards', :event, :summary => '% forward'
    setting 'backwards', :event, :summary => '% back'

    setting 'crossfade_time', :timespan, :summary => true

    def render
        @current_spot = cycle_update(@current_spot, (forwards.count - backwards.count), crossfade_time)

        low_index = @current_spot.floor
        crossfade_render(directors.one(low_index), directors.one(low_index+1), (@current_spot - low_index))
        yield
    end
end