Random layer visibility question

Adobe After Effects Expressions

Random layer visibility question

Posted by Sami Kaartinen on September 5, 2005 at 4:59 pm

Hi All,

I’m trying to randomize the visibility of layers. I want to create a animation from three pixelimage frames so that the frames appear randomly. I tried random expression to opacity but it fades the images instead of switching them on and off.

Is there a way to either controll the position of a time indicator or switch layers on and off randomly so that at least one layer/frame is visible at the time.

Now i have done it so that i make lot of copys of the three imageframes finder and rename those in random order and then import the images as ping sequence. This is very unconvinient and tiem consuming way to do it.

I’m using AE 6.5 Pro in OXS

All help is appreciated!

Thanx,
Maxx

Tom Bassford replied 17 years, 5 months ago 3 Members · 2 Replies
2 Replies

Roland R. kahlenberg
September 6, 2005 at 3:44 am

See if the following Random Layer Thread works out for you.

Cheers
Roland Kahlenberg
broadcastGEMs
customizable animated backdrops with Adobe After Effects project files

Tom Bassford

November 21, 2008 at 2:26 am

holdTime = .5; //time to hold each position (seconds)
seed = Math.floor(time/holdTime);
seedRandom(seed,true);
hmm = random(0,10);
if (hmm >5){
transform.opacity=100};
else {transform.opacity=0};

the following works 🙂

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