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expressions.jpg

Expressions 
for After Effects

Bounce Expression

amp = 0.15;
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){
v = velocityAtTime(key(n).time - thisComp.frameDuration/10);
value + v*amp*Math.sin(freq*t*2*Math.PI)/Math.exp(decay*t);
}else{
value;
}

Main_4.gif

Animation on Marker

n = marker.nearestKey(time).index;
if (time < marker.key(n).time){
n = n-1;
}
if(n==0){
n = 1
}
t = time - marker.key(n).time;
thisProperty.valueAtTime(t)

Bounce_game_2.gif
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