Random frame time remap

[Filip Vandueren]

Hy Russ, try this:


seedRandom(index,true);
var t=timeToFrames();

var r1=-1;
for (var i=0; i<=t; i++) { var r2=Math.floor(random(5)); // gives values from 0-4 if (r1==r2) t++; r1=r2; } r1;

[Harry Hoag]

hey thanks for replying,
i’m guessing i simply add this to an expressions field on the time remap?
I tried that and it just flicks between the first and last frame of my 5 frame sequence…
did you test this code, or am i doing this wrong?

thanks

[Filip Vandueren]

Oops,

The expression is returning random integers between 0 and 4, and timeremapping treats those as seconds instead of framenumbers.
The last line should be:

framesToTime(r1);

[Filip Vandueren]

Also, Ive reread your first post and I forgot about the two frames gap. Now it’s a 1 frame gap between repeating values
I’ll rewrite when Im back at my computer in 2 hours.

[Harry Hoag]

cool thanks,
it is working a bit better, but i’m getting repeated frames next to each other all the time and it’s not using all the frames. it’s only using 0, 2, 4, 5

really thanks a lot for doing this!

[Filip Vandueren]

Okay, this is the final script:

seedRandom(1,true);
var t=timeToFrames();

var r1=-3;
var r2=-2;
var r3=-1;
for (var i=0;t>=i; i++) {
var r3=Math.floor(random(5));
if (r1==r3 || r2==r3) {
t++;
continue;
}
r1=r2;
r2=r3;
}

framesToTime(r3);

I get no repeated frames, no back and forth with only 1 frame in between, and all frames from 0 to 4
The only thing that could prevent some frames form being used is if the comp has a different framerate than the 5 frame footage.

You can change the first line seedRandom(1,true); to a different number and you’ll get another set of random values.

[Harry Hoag]

fantastic!
you were right, i had comp at 12 fps and footage at 25…
thanks man works a treat!!

[Ryan Irilli]

This is exactly what I was looking for. Only thing is I am unsire what variable to change/add if my source is 8 frames long instead of 5…

Thank you!!!

[Gergely Szilard]

Hi
This really helped me out too
One more question: what would I need to do if a wanted to hold one image for 2 or 3 frames?
I tried a few things but I’m not too good at this…
Thank you

[Erik Waluska]

Thanks, Flip! This was a winner for me as well.

The way I made it hold for several frames is to precomp the clip and change it’s framerate to something low like 10 and then change the precomp’s settings to preserve framerate when nested.

Erik Waluska
EAWmedia