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Shuffle layers order while keeping track mattes link??
app.beginUndoGroup("Randomize");
var myComp = app.project.activeItem;
var n = myComp.numLayers;
var myLayers = [];
var myIdx = [];
for (var i = 1; i<= n; i++){
myIdx[i-1] = i;
myLayers[i-1] = myComp.layer(i);
}
var idx;
var temp;
for (var i = 0; i < myIdx.length; i++){
idx = i + Math.floor(Math.random()*(myIdx.length - i));
temp = myIdx[i];
myIdx[i] = myIdx[idx];
myIdx[idx] = temp;
}
for (var i = 0; i < myIdx.length; i++){
myLayers[myIdx[i]-1].moveToBeginning();
}
app.endUndoGroup();This code shuffle the order of the layers.
How can I shuffle the order of track mattes without breaking their link?
Thank you!
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1 Reply
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Like this:
app.beginUndoGroup("Randomize - keep Mattes");
var myComp = app.project.activeItem;
var n = myComp.numLayers;
var myLayers = [];
var myIdx = [];
for (var i = 1; i<= n; i++){
if (myComp.layer(i).isTrackMatte) {
continue
}
myLayers.push(myComp.layer(i));
}
while(myLayers.length) {
randomIndex = Math.floor(Math.random()*myLayers.length)
l=myLayers.splice(randomIndex,1)[0];
if (l.hasTrackMatte) {
myIndex = l.index;
l.moveToBeginning();
// matte now has the same index as it's target had beofre it was moved up
myComp.layer(myIndex).moveToBeginning();
} else {
l.moveToBeginning();
}
}
app.endUndoGroup();
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