[WeakAura] Icon w/ custom cooldown sweep

[Brusalk]

Hello!

I'm trying to make a Burning Embers weak aura tracker out of an Icon. I want the cooldown sweep to "fill" up counter-clockwise, so that its fully bight when I'm at 40/40 emberbits, and fully dark at 0/40 emberbits.

I've tried using a custom trigger with a custom duration that returns current and max emberbits. However, while the duration text is updated, even with cooldown checked the cooldown sweep doesn't change from being fully lit regardless of how I vary the return values.

Anyone have any idea why this isn't working?

- - - Updated - - -

Answering my own post.

The custom duration of a WeakAura is a function that returns two values: duration, expiration time.

If you want to make a cooldown sweep display, duration must be larger than 0.01.

To display a 50% completed cooldown, you set duration to 10, and expiration time to GetTime()+5. This is because the expiration time is set to 5 seconds in the future, and the duration is 10 seconds. Thus, the sweep will be done 5 seconds from now, but the overall duration is 10 seconds. Thus it is 50% done.

Here's my working ember bits tracker that displays a cooldown sweep that grows (unexpires) as you gain ember bits, and empties (cd finishes) as you run out:

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[OOMM]

Very interesting, the concept works well with embers too since a full ember would be evenly one quarter of the icon square.

[ekardnah]

Third return value in custom duration func. defines weather it's a time counter or a static bar.

Former works as you wrote : return duration, expirationTime
Latter is more simple : return current, maximum, true

Fourth sets inverse state.

EDIT : It seems a static duration information cannot be used for cooldown animation. OP's method looks the only simple way to do that.

[kuroimatoo]

Just wanted to say thanks to OP. I spent hours trying to figure this out myself to no avail and this topic was the only place I finally found what I needed. Cheers.

Wanted to make custom swipe for glyphed frost strike (32 runic power).