(function(){

var comp = app.project.activeItem;
var layers = comp.selectedLayers;
var markers = comp.markerProperty;

// MOVE LAYERS TO MARKERS
app.beginUndoGroup("Move Layers to Markers");
for (var l = 0; l < layers.length; l++) {
    for (var m = 1; m <= markers.numKeys; m++) {
        var layerName = layers[l].name.split(' - ')[0];
        var markerName = markers.keyValue(m).comment.split(' - ')[0];
        var markerTime = markers.keyTime(m);
            if (layerName == markerName) {
                layers[l].startTime = markerTime;
                break;
            }
        }
}
app.endUndoGroup();


app.beginUndoGroup("Set Keyframes");
// PARAMETERS
var startTime = app.project.activeItem.selectedLayers.inPoint;
var waitFrames = 5;
var fps = comp.frameRate;
var frameGap = waitFrames / fps;
var endTime = startTime + frameGap;
var spacingY = 60;
var startPosX = 950;
var moveX = 300;
var endPosX = startPosX + moveX;
var startPosY = 100;

function deleteAllKeys(theProperty) {
    while (theProperty.numKeys) {
        theProperty.removeKey(1);
    }
}

for (var i = 0; i < layers.length; i++) {
    var layerPosX = layers[i].transform.position.getSeparationFollower(0);
    var layerPosY = layers[i].transform.position.getSeparationFollower(1);
    var layerOpacity = layers[i].property("Opacity");
    var layerScale = layers[i].property("Scale");
    var name1 = layers[i].name.split('-')[0];
    var name2 = name1.split(' ')[0];
        if (name2 == "SHAPE") {
            // DELETE ALL KEYFRAMES
            deleteAllKeys(layerPosX);
            deleteAllKeys(layerPosY);
            deleteAllKeys(layerOpacity);
            deleteAllKeys(layerScale);
            // SET IN ANIMATION KEYFRAMES
            layerOpacity.setValueAtTime(layers[i].inPoint, 0);
            layerOpacity.setValueAtTime(layers[i].inPoint+frameGap, 100);
            layerPosX.setValueAtTime(layers[i].inPoint, startPosX);
            layerPosX.setValueAtTime(layers[i].inPoint + frameGap, endPosX);
            layerPosY.setValueAtTime(layers[i].inPoint, startPosY);
                // SET SHIFTING ANIMATION KEYFRAMES
                for (var j = 1; j < layers.length; j++) {
                    if (i < layers.length - j) {
                        layerPosY.setValueAtTime(layers[i + j].inPoint, startPosY + spacingY * (j - 1));
                        layerPosY.setValueAtTime(layers[i + j].inPoint + frameGap, startPosY + spacingY * j);
                    }
                }
        }
}
app.endUndoGroup();
})()