Thanks for taking the time to explain the for loop. There are a couple of really useful things to take away. I had guessed that I would need an accumulating variable in there too, but didn’t know how to put it together.

[ edit: don’t know how to delete my post, I’ve figured out that I can use Math.pow(value, exponent) ]

Both are interesting solutions. I have a similar but different question. I’m trying to write something exponential and want to use a for loop, but I’m getting stuck. In the following example R is a slider with a value around 1.2 and x is the power…

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Thank you for the reply and the resources, it’s really helpful.

A work around I’m using is to copy the script into a text layer and to reference that in the other layer. I’d still be interested to hear if I can do it externally.

eval(thisComp.layer(“colour A”).text.sourceText.value);

Hi

I’ve set up an external .txt file which is referenced by multiple layers with $.evalFile(). The load works fine, but I have an issue with expression sliders that I’ve referenced. An extract…

rate = thisComp.layer(“settings”).effect(“rate”)(“Slider”);

posterizeTime(rate);

returns the following

Error: Reference Error: seedRandom is not defined.

Is…

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Thanks for the reply, I agree I don’t think it’ll work.

I’m unsure how to link to an expression in a precomp multiple times.

Example… In ‘Base_comp’ I have three layers of the same ‘Pattern_comp’.

In ‘Pattern_comp’ I have a dropdown menu that specifies ‘Pattern A’, ‘Pattern B’ and ‘Pattern C’, which then displays the corresponding pattern.

What I would like to do is in ‘Base_comp’ on layer 1… Read more