Expressions
for After Effects
Proximity Expression
target = thisComp.layer("Target");
dist = Math.floor( length(position, target.position) );
maxSize = thisComp.layer("Target").effect("maxSize")("Slider");
minSize = thisComp.layer("Target").effect("minSize")("Slider");
range = thisComp.layer("Target").effect("range")("Slider");
sensitivity = thisComp.layer("Target").effect("sensitivity")("Slider");
scle = linear(dist, range, sensitivity, maxSize, minSize);
[scle, scle];
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 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;
}
