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Combining Expressions
Hi,
I’ve 600layers from illustrator (like particles).
Have keyframed them individually (argg). – position
Have added an expression to smooth those keyframes with a little bounce.
Have also added a keyframe offset of 10 frames.
Now I want each particle to wiggle as well. How can I add a simple wiggle(2,5)??Thanks in advance
Joao Monteiro// smooth position keyframes bounce //amp = .6;
freq = 2.0;
decay = 2.0;
n = 0;
if (numKeys > 0){
n = nearestKey(time).index;
if (key(n).time > time){
n--;
}}
if (n == 0){ t = 0;
}else{
t = time - key(n).time;
}
if (n > 0 && t < 1){
v = velocityAtTime(key(n).time - thisComp.frameDuration/10);
value + v*amp*Math.sin(freq*t*2*Math.PI)/Math.exp(decay*t);
}else{
value
}// offset frames expression //
maxOffset = 10; // frames
seedRandom(index,true);
offset = framesToTime(random(maxOffset));
valueAtTime(time-offset); -
6 Replies
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When I say Add I mean combine.
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Towards the end of the first expression, try replacing each of the two occurrences of value with wiggle(2,5)
Dan
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Thanks Dan.
It worked perfectly.
Thank you.
I was trying value+(wiggle(2,5))
which wasn’t working.
J -
Hi Dan… I’ve got a similar problem, so that’s why I’m reading your posts actually…
I want my Null_01 to be parented with a Null_02 in a different composition and to wiggle at the same time. I use variables for position (P) and for wiggle (W).
All is applied in Ypos parameter:P = comp(“my other comp”).layer(“Null_02”).transform.yPosition;
W = wiggle (10,10);How should the last line look like? I tried P+W; It works fine but the Null_01 moves to a crazy position… Any idea?
Thank you very much! -
Either of these should work:
P = comp(“my other comp”).layer(“Null_02”).transform.yPosition;
W = wiggle (10,10)-value;
P + WP = comp(“my other comp”).layer(“Null_02”).transform.yPosition.wiggle(10,10);
Dan
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Excellent! Thank you so much! Honza
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