I removed the rotation for testing, but you know how insert it yourself.
// randomly place layers;
// 2023, use it at your own risk;
if (app.documents.length > 0) {
var originalRulerUnits = app.preferences.rulerUnits;
app.preferences.rulerUnits = Units.PIXELS;
var myDocument = activeDocument;
var theLayers = collectLayersBounds ();
var docWidth = myDocument.width;
var docHeight = myDocument.height;
var docCenter = [docWidth/2, docHeight/2];
for (var m = 0; m < theLayers.length; m++) {
var thisOne = theLayers[m];
//////
var targetSize = 900;
if (thisOne[3] > thisOne[4]) {var theScale = targetSize / thisOne[3] * 100}
else {var theScale = targetSize / thisOne[4] * 100};
//////
var theId = duplicateMoveRotateScale (false, theLayers[m][1], Math.random()*(docWidth-thisOne[3])-thisOne[5][0]+thisOne[3]/2, Math.random()*(docHeight-thisOne[4])-thisOne[5][1]+thisOne[4]/2, theScale, theScale, 0)
theLayers[m][1] = theId;
};
app.preferences.rulerUnits = originalRulerUnits;
};
////// collect layers //////
function collectLayersBounds () {
// get number of layers;
var ref = new ActionReference();
ref.putEnumerated( charIDToTypeID("Dcmn"), charIDToTypeID("Ordn"), charIDToTypeID("Trgt") );
var applicationDesc = executeActionGet(ref);
var theNumber = applicationDesc.getInteger(stringIDToTypeID("numberOfLayers"));
// process the layers;
var theLayers = new Array;
for (var m = 0; m <= theNumber; m++) {
try {
var ref = new ActionReference();
ref.putIndex( charIDToTypeID( "Lyr " ), m);
var layerDesc = executeActionGet(ref);
var layerSet = typeIDToStringID(layerDesc.getEnumerationValue(stringIDToTypeID("layerSection")));
var isBackground = layerDesc.getBoolean(stringIDToTypeID("background"));
// if group collect values;
if (layerSet != "layerSectionEnd" && layerSet != "layerSectionStart" && isBackground != true) {
var theName = layerDesc.getString(stringIDToTypeID('name'));
var theID = layerDesc.getInteger(stringIDToTypeID('layerID'));
var theBounds = layerDesc.getObjectValue(stringIDToTypeID("bounds"));
var theseBounds = [theBounds.getUnitDoubleValue(stringIDToTypeID("left")), theBounds.getUnitDoubleValue(stringIDToTypeID("top")), theBounds.getUnitDoubleValue(stringIDToTypeID("right")), theBounds.getUnitDoubleValue(stringIDToTypeID("bottom"))];
var theWidth = theseBounds[2] - theseBounds[0];
var theHeight = theseBounds[3] - theseBounds[1];
var theCenter = [theseBounds[0]+theWidth/2, theseBounds[1]+theHeight/2];
theLayers.push([theName, theID, theseBounds, theWidth, theHeight, theCenter])
};
}
catch (e) {};
};
return theLayers
};
////// duplicate layer and move, rotate and scale it //////
function duplicateMoveRotateScale (copyOrNot, theID, theX, theY, theScaleX, theScaleY, theRotation) {
selectLayerByID(theID,false);
smartify (activeDocument.activeLayer);
var ref = new ActionReference();
ref.putProperty (stringIDToTypeID ("property"), charIDToTypeID ("LyrI"));
ref.putEnumerated(charIDToTypeID("Lyr "), charIDToTypeID("Ordn"), charIDToTypeID("Trgt"));
d = executeActionGet(ref);
var theID = d.getInteger(charIDToTypeID('LyrI'));
try{
var idTrnf = charIDToTypeID( "Trnf" );
var desc10 = new ActionDescriptor();
var idnull = charIDToTypeID( "null" );
var ref6 = new ActionReference();
ref6.putIdentifier( charIDToTypeID( "Lyr " ), theID );
/* ref6.putEnumerated( charIDToTypeID( "Lyr " ), charIDToTypeID( "Ordn" ), charIDToTypeID( "Trgt" ) );*/
desc10.putReference( idnull, ref6 );
var idFTcs = charIDToTypeID( "FTcs" );
var idQCSt = charIDToTypeID( "QCSt" );
var idQcsa = charIDToTypeID( "Qcsa" );
desc10.putEnumerated( idFTcs, idQCSt, idQcsa );
var idOfst = charIDToTypeID( "Ofst" );
var desc11 = new ActionDescriptor();
var idHrzn = charIDToTypeID( "Hrzn" );
var idPxl = charIDToTypeID( "#Pxl" );
desc11.putUnitDouble( idHrzn, idPxl, theX );
var idVrtc = charIDToTypeID( "Vrtc" );
var idPxl = charIDToTypeID( "#Pxl" );
desc11.putUnitDouble( idVrtc, idPxl, theY );
var idOfst = charIDToTypeID( "Ofst" );
desc10.putObject( idOfst, idOfst, desc11 );
var idWdth = charIDToTypeID( "Wdth" );
var idPrc = charIDToTypeID( "#Prc" );
desc10.putUnitDouble( idWdth, idPrc, theScaleX );
var idHght = charIDToTypeID( "Hght" );
var idPrc = charIDToTypeID( "#Prc" );
desc10.putUnitDouble( idHght, idPrc, theScaleY );
var idAngl = charIDToTypeID( "Angl" );
var idAng = charIDToTypeID( "#Ang" );
desc10.putUnitDouble( idAngl, idAng, theRotation );
var idIntr = charIDToTypeID( "Intr" );
var idIntp = charIDToTypeID( "Intp" );
var idbicubicAutomatic = stringIDToTypeID( "bicubicAutomatic" );
desc10.putEnumerated( idIntr, idIntp, idbicubicAutomatic );
var idCpy = charIDToTypeID( "Cpy " );
desc10.putBoolean( idCpy, copyOrNot );
executeAction( idTrnf, desc10, DialogModes.NO );
//var thisCopy = app.activeDocument.activeLayer;
return theID
} catch (e) {}
};
////// function to smartify if not //////
function smartify (theLayer) {
// make layers smart objects if they are not already;
if (theLayer.kind != LayerKind.SMARTOBJECT) {
activeDocument.activeLayer = theLayer;
var id557 = charIDToTypeID( "slct" );
var desc108 = new ActionDescriptor();
var id558 = charIDToTypeID( "null" );
var ref77 = new ActionReference();
var id559 = charIDToTypeID( "Mn " );
var id560 = charIDToTypeID( "MnIt" );
var id561 = stringIDToTypeID( "newPlacedLayer" );
ref77.putEnumerated( id559, id560, id561 );
desc108.putReference( id558, ref77 );
executeAction( id557, desc108, DialogModes.NO );
return activeDocument.activeLayer
};
return theLayer
};
// based on code by mike hale, via paul riggott;
function selectLayerByID(id,add){
add = undefined ? add = false:add
var ref = new ActionReference();
ref.putIdentifier(charIDToTypeID("Lyr "), id);
var desc = new ActionDescriptor();
desc.putReference(charIDToTypeID("null"), ref );
if(add) desc.putEnumerated( stringIDToTypeID( "selectionModifier" ), stringIDToTypeID( "selectionModifierType" ), stringIDToTypeID( "addToSelection" ) );
desc.putBoolean( charIDToTypeID( "MkVs" ), false );
try{
executeAction(charIDToTypeID("slct"), desc, DialogModes.NO );
}catch(e){
alert(e.message);
}
};
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