engine/plugins/actor_effects/fade.luz.rb
class ActorEffectFade < ActorEffect
title "Fade"
description "Fades actor out."
categories :color
setting 'amount', :float, :range => 0.0..1.0, :default => 0.0..1.0
def render
return if amount == 1.0
with_multiplied_alpha(1.0 - amount) {
yield
}
end
end