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bounce expression without having to precomp the layer
k=100; // final scale a=10; // how quickly the bounce ends b=20; // how many bounces it'll do (that is, the bounce speed) x=k*(1-Math.exp(-a*time)*Math.cos(b*time)); [x,x]
I am doing an animation with many layers bouncing into view at different times.
I have an expression to do this but it only does it from the first frame of the composition.
How would i adjust this to make is start at the beginning of the layer?
or maybe someone knows of another script that will do this.thanks!
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2 Replies
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Like this:
k=100; // final scale
a=10; // how quickly the bounce ends
b=20; // how many bounces it’ll do (that is, the bounce speed)
t = time – inPoint;
x=k*(1-Math.exp(-a*t)*Math.cos(b*t));
[x,x]Dan
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Great!
you saved me a lot of work 🙂
thanks
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