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Changing random seed in a precomp.
Hello all. I’ll try to keep this question simple.
So, I have a precomp in my main comp. Inside this precomp, I’ve generated a timeless value, and plan to use it to remap a video in the comp to stick to a certain frame.
Now, in the main comp, I’m duplicating this precomp, and I want to somehow make it so that each of the copys have a different seed value in them.
Is this possible?
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4 Replies
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i believe you would have to duplicate the precomp in the project window, then add it to the main comp… otherwise you’d have just one expression that you would want to have receive multiple variables, and i don’t see how that’s possible.
but if you duplicated the comp in the project window, you’d then have a unique expression that could address a unique value for random seed.
in this case something like this could work:
seed=thisComp.name.split(” “);
seedRandom(seed[seed.length-1],true)Kevin Camp
Senior Designer
KCPQ, KMYQ & KRCW -
Not really. For them to be different they actually have to be separate comps in the project panel.
Dan
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I have a related question: I am setting up an effect rig that will need to be copied multiple times across different comps. They all use Particular, which has it’s own random seed functions. Is there a simple expression I could use to alter the random seed value automatically for each comp? I tried this but it said ‘could not turn result into numeric value’.
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Aha- don’t worry I found it. seedRandom and then a random range did the trick.
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