AfterEffect插件-图层排序-js脚本开发-AE插件

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{
	// Sort Layers by In Point.jsx
	//
	// This script reorders layers in the active comp, sorted by inPoint.
	//
	
	function SortLayersByInPoint(thisObj)
	{
		var proj = app.project;
		var scriptName = "Sort Layers by In Point";
		
		
		function sortByInpoint(comp_layers, unlockedOnly) {
			var total_number = comp_layers.length;
			while (total_number >= 2) {	
				var layer_was_moved = false;
				for (j = 1; j <= total_number; j++) {
					// if you want to reverse the sort order, use "<" instead of ">".
					if (comp_layers[j].inPoint > comp_layers[total_number].inPoint) {
						if (comp_layers[j].locked) {
							if (unlockedOnly==false) {
								comp_layers[j].locked = false;
								comp_layers[j].moveAfter(comp_layers[total_number]);
								comp_layers[total_number].locked = true;
								layer_was_moved = true;
							}
						} else {
							comp_layers[j].moveAfter(comp_layers[total_number]);
							layer_was_moved = true;
						}
					}
				}
				if (!layer_was_moved) {
					total_number = total_number-1 ;
				}
			}
		}
		
		// change this to true if you want to leave locked layers untouched.
		var unlockedOnly = false;
		if (proj) {
			var activeItem = app.project.activeItem;
			if (activeItem != null && (activeItem instanceof CompItem)) {
				app.beginUndoGroup(scriptName);
				var activeCompLayers = activeItem.layers;
				sortByInpoint(activeCompLayers, unlockedOnly);
				app.endUndoGroup();
			} else {
				alert("Please select an active comp to use this script", scriptName);
			}
		} else {
			alert("Please open a project first to use this script.", scriptName);
		}
	}
	
	
	SortLayersByInPoint(this);
}