More graphically speaking I have this
and I want to get this (through a smooth darkening animation (so using animations is out the question).
However, after applying the brightness effect I actually got this:
The problem is that the effect does not preserve the alpha of the original sprite.
Is there currently a way to get a brightness effect that does preserve alpha?
Thanks in advance
PS: I apologize if this is not the correct place to post but I wasn't sure if this was a bug (as most of the other effect do seem to preserve alpha) or a "how do I do?" (because there are well-known ways to do this) or a feature request (because that it is something that is known to be missing)