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Expression is happening before it’s supposed to
An expression I applied to the opacity in one layer is happening several frames before the layer even begins.
It’s a very simple expression that fades the layer in and out using its n and out points. The same expression is applied on 4 other layers in the same comp and it works fine, but this one kicks in 19 frames before it’s supposed to.
This is the code:
topVal=100
fadeDur = thisComp.layer(“xp”).effect(“fade”)(“Slider”);
if (time < (inPoint+outPoint)/2)
ease(time,inPoint,inPoint+fadeDur,0,topVal)
else
ease(time,outPoint-fadeDur,outPoint,topVal,0)
Any help is appreciated.
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6 Replies
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So are you saying the layer starts fading in before the in point? What are the in and out points? The expression looks fine to me.
Dan
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Yes it fades in (the opacity value goes up, but there’s nothing to show yet because there is no layer at that point).
Yes, the expression works fine, I’ve used it thousands of times and I’m using it in the same composition with other similar layers (precomps) without issue.
It’s just this one layer that is misbehaving. The in and out are the beginning and end of the precomp layer, I’m not trimming it in any way, which I’ve done in the past too.
I think it’s a weird glitch, I will report it to Adobe later today.
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My hunch is that there is a logical explanation, but hard to say without seeing how you have things set up.
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I can send you an empty AE project if you want. Let me know.
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Absolutely. I’d love to take a look.
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Cool, thanks. I have your email somewhere. I’ll email it tonight.
Thanks!
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