Triggering expression on marker
Posted: March 25th, 2009, 9:10 am
Hi! I've been looking for an expression like this for some time, but havn't had any success yet.
I've found some, but never got them to work.
Found this from AE CS4 help. It is supposed to execute a wobble expression on scale on every marker.
But when i paste it to scale property, nothing happens. What's wrong? I'm using CS4.
n = 0;
t = 0;
if (marker.numKeys > 0){
n = marker.nearestKey(time).index;
if (marker.key(n).time > time) n--;
}
if (n > 0) t = time - marker.key(n).time;
amp = 15;
freq = 5;
decay = 3.0;
angle = freq * 2 * Math.PI * t;
scaleFact = (100 + amp * Math.sin(angle) / Math.exp(decay * t)) / 100;
[value[0] * scaleFact, value[1] / scaleFact];
Thanks!
I've found some, but never got them to work.
Found this from AE CS4 help. It is supposed to execute a wobble expression on scale on every marker.
But when i paste it to scale property, nothing happens. What's wrong? I'm using CS4.
n = 0;
t = 0;
if (marker.numKeys > 0){
n = marker.nearestKey(time).index;
if (marker.key(n).time > time) n--;
}
if (n > 0) t = time - marker.key(n).time;
amp = 15;
freq = 5;
decay = 3.0;
angle = freq * 2 * Math.PI * t;
scaleFact = (100 + amp * Math.sin(angle) / Math.exp(decay * t)) / 100;
[value[0] * scaleFact, value[1] / scaleFact];
Thanks!