//加载自定义函数集
var scriptPath = $.fileName;
var scriptFolder = new File(scriptPath).parent;
var scriptFolderAbsolutePath = scriptFolder.absoluteURI;
$.evalFile(File(scriptFolderAbsolutePath + "/jsonFunction.jsx"));

//重命名
layerRename();

var layerslength = app.activeDocument.layers.length;

// =====创建时间轴==================================================
newFrameTimeline();
//重置时间轴
resetTimeline()
// 帧率=================================================
var frameRate = Number(prompt("输入帧率",5));
if(frameRate<=layerslength){
    frameRate = layerslength;
}

if (frameRate % 2 == 1) {
    frameRate = frameRate + 1;
}
//100透明度点
var rate100 = Math.ceil(frameRate / 2);
//基础透明度
var TransparencyOdd = 100 / (Math.floor(frameRate / 2));



for (layname = 1; layname <= layerslength; layname++) {
    layerclick(layname);
    if (layname != 1) {
        transparency(0);
    }
    else {
        transparency(100);
    }
}

function layerHidden() {
    //每桢时间
    var t = 0.01;
    for (layname = 2; layname <= layerslength; layname++) {
        layerclick(layname);
        kTime(t);
        var tra_val = 0;
        for (oneShot = 2; oneShot < frameRate; oneShot++) {
            if (layname <= layerslength) {
                newK();
                if (oneShot < rate100) {
                    tra_val = Math.floor(TransparencyOdd * (oneShot - 1));
                    transparency(tra_val);
                }
                else if (oneShot == rate100) {
                    tra_val = 100;
                    transparency(100);
                }
                else if (oneShot > rate100) {
                    tra_val = tra_val - TransparencyOdd;
                    transparency(tra_val);
                }
            }
        }
    }
}
layerHidden();