47 lines
1.4 KiB
React
47 lines
1.4 KiB
React
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/*
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* sequential-offset.jsx
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* Staggers the selected layers in time so each starts OFFSET_FRAMES after
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* the previous one (a "domino" / cascade start), based on the first
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* selected layer's start time.
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*
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* Usage: select layers in a comp, then File > Scripts > Run Script File...
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* Edit OFFSET_FRAMES and ORDER below.
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*/
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(function sequentialOffset() {
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var OFFSET_FRAMES = 2; // frames between each layer's start
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var ORDER_BY_SELECTION = true; // true = order of selection; false = by current startTime
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var comp = app.project.activeItem;
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if (!(comp && comp instanceof CompItem)) {
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alert("Open a composition and select two or more layers first.");
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return;
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}
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var sel = comp.selectedLayers;
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if (sel.length < 2) {
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alert("Select at least two layers.");
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return;
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}
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var frameDur = comp.frameDuration; // seconds per frame
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var offsetSec = OFFSET_FRAMES * frameDur;
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// Build the working order.
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var layers = [];
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for (var i = 0; i < sel.length; i++) layers.push(sel[i]);
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if (!ORDER_BY_SELECTION) {
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layers.sort(function (a, b) { return a.startTime - b.startTime; });
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}
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var base = layers[0].startTime;
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app.beginUndoGroup("Sequential Offset");
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try {
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for (var j = 0; j < layers.length; j++) {
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layers[j].startTime = base + (j * offsetSec);
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}
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} finally {
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app.endUndoGroup();
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}
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})();
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