[jialan75]

简单延展。
感谢您在论坛学习交流，但时间已经深夜了，请注意休息哦。

var doc = app.activeDocument;
var sels = doc.selection;


var pt = 72/25.4;
var ls = 3*pt;
var rc = 0.5*pt;


var art = new Artboard();


for (var j = 0; j< sels.length; j++) {
    var s = sels[j];
    var ps = s.pathPoints;

    var newPs = new Array();

    for (var i = 0; i < ps.length; i++) {
        var x = ps[i].anchor[0];
        var y = ps[i].anchor[1];
        var left = isRC(art.left,x,rc,'left',ls);
        var right = isRC(art.right,x,rc,'right',ls);
        var top = isRC(art.top,y,rc,'top',ls);
        var bottom = isRC(art.bottom,y,rc,'bottom',ls);
        var x2,y2;
        if(i==0){
            x2 = ps[ps.length-1].anchor[0];
            y2 = ps[ps.length-1].anchor[1];
        }else{
            x2 = ps[i-1].anchor[0];
            y2 = ps[i-1].anchor[1];
        }
        if(left){
            newPs.push(getPoint(x,y,x2,y2,ls,'left'))
            newPs.push(new Array(x,y));
        }
        if(right){
            newPs.push(new Array(x,y));
            newPs.push(getPoint(x,y,x2,y2,ls,'right'))
        }
        if(top){
            newPs.push(getPoint(x,y,x2,y2,ls,'top'))
            newPs.push(new Array(x,y));
        }
        if(bottom){
            newPs.push(new Array(x,y));
            newPs.push(getPoint(x,y,x2,y2,ls,'bottom'))
        }
        if(!left&&!right&&!bottom&&!top){
            newPs.push(new Array(x,y));
        }


    }
    addPathByPs(newPs)

}



function getPoint(x1,y1,x2,y2,ls,type) {
    var rotate = getRotate(x1,y1,x2,y2,type);
    var x,y;
    switch (type){
        case 'left':
            x = -ls;
            y = y1>y2?-Math.tan(rotate*2*Math.PI/360)*x:Math.tan(rotate*2*Math.PI/360)*x;
            break;
        case 'right':
            x = ls;
            y = y1<y2?-Math.tan(rotate*2*Math.PI/360)*x:Math.tan(rotate*2*Math.PI/360)*x;
            break;
        case 'top':
            y = ls;
            x = x1<x2?-Math.tan(rotate*2*Math.PI/360)*y:Math.tan(rotate*2*Math.PI/360)*y;
            break;
        case 'bottom':
            y = -ls;
            x = x1>x2?-Math.tan(rotate*2*Math.PI/360)*y:Math.tan(rotate*2*Math.PI/360)*y;
            break;
        default:
            break;
    }
    return new Array(x1+x,y1+y);
}

function getRotate(x1,y1,x2,y2,type){

    var w = Math.abs(x1-x2);
    var h = Math.abs(y1-y2);
    if(type=='left'||type=='right'){
        return Math.atan(h/w)*180/Math.PI;
    }
    return Math.atan(w/h)*180/Math.PI;

}
function isRC(a, b, rc, index,ls) {
    if (index == 'left') return (a > b && a - b < ls) || Math.abs(a - b) <= rc;
    if (index == 'top') return (a < b && b - a < ls) || Math.abs(a - b) <= rc;
    if (index == 'right') return (a < b && b - a < ls) || Math.abs(a - b) <= rc;
    if (index == 'bottom') return (a > b && a - b < ls) || Math.abs(a - b) <= rc;
    return Math.abs(a - b) <= rc;
}
function tofiled(value) {
    var pt = 72/25.4;
    return (value/pt).toFixed(2);
}


function Artboard(index) {
    var doc = app.activeDocument;
    var pt = 72 / 25.4;
    /**
     * index 下标 (非必填 默认当前画板)
     * 画板类用于获取画板的属性
     * 宽度,高度,坐标(上下左右垂直中,水平中),简单的信息
     *
     * 例子
     * artboard = Artboard()
     * artboard = Artboard(0)
     * 打印信息
     * alert(artboard.info)
     */
    index = index == undefined ? doc.artboards.getActiveArtboardIndex() : index
    var abBounds = doc.artboards[index].artboardRect;
    this.width = abBounds[2] - abBounds[0];
    this.height = abBounds[1] - abBounds[3];
    this.left = abBounds[0];
    this.top = abBounds[1];
    this.bottom = abBounds[3];
    this.right = abBounds[2];
    this.centerX = this.left + this.width / 2;
    this.centerY = this.bottom + this.height / 2;
    this.artboard = doc.artboards[index];
    this.abBounds = abBounds;
    this.index = index;
    this.length = doc.artboards.length;
    this.info = '当前是第' + index + '个页面\n页面尺寸为' + this.width / pt + 'x' + this.height / pt + ' mm'
    return this;
}

function addPathByPs(ps) {
    var doc = app.activeDocument;
    var line = doc.pathItems.add();
    line.stroked = true;
    var arr = new Array();
    for (var i = 0; i < ps.length; i++) {
        arr.push(new Array(ps[i][0],ps[i][1]))
    }
    line.setEntirePath(arr );
}

[792491914]

楼主这个脚本干嘛用的，怎么我拖进ai没反应

[姜椒蒜]

作者: 792491914

楼主这个脚本干嘛用的，怎么我拖进ai没反应

画条线…靠近页边，或者测试下放在页面中间可不可以，也可测试下其他形状可不可以…

[584498588]

这个做出血不错，特别是不规则的线条，不用手工一个一个去拉。

[mickwok]

這個有教學嗎，是否要會語言的才能做

[dt352]

AI 2021 没有任何反应~~~~

[姜椒蒜]

18号那天看到这个帖子的时候就试了下，画了几个图形，效果不是很理想，这只是个雏形，还没完善…

[595930911]

大佬开始研究算法了
放出血 叠印什么的还是手动放心点，收到大多文件太烂(各种剪切蒙版碎图)就不敢用