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After Effects Position Expression
Hey, I’m searching for an expression which randomly targets the position from random layers.
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5 Replies
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I think we need more info. Please be more descriptive about what you’re trying to do.
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I want to build a Lightning Effect with “advanced lighting” The idea is that i have a fixed point for the beginning of the Lightning and the End is jumping to different tracked positions in the room.
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This should randomly select the position of any layer except the one with the expression:
minDur = .5;
maxDur = 1.5;
t = tPrevT = inPoint;
seedRandom(index,true);
while (t <= time){
tPrev = t;
t += random(minDur,maxDur);
}
seedRandom(tPrev,true);
L = [];
for (i = 1; i <= thisComp.numLayers; i++){
if (i == index) continue;
L.push(i);
}
fromComp(thisComp.layer(L[Math.floor(random(L.length))]).transform.position)
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Thanks! I will try this tomorrow at work 🙂
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I tested your expression today and it works wonderfully! Thank you very much! You have helped me a lot ❤
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