illustrator插件--常用功能开发--智能填充插件--js脚本开发--AI插件

  AI智能填充是一款Illustrator智能填充插件。利用此脚本可以快速把一组对象智能填充到你预置的容器中，填充的对象会根据你的容器形状智能缩放大小以及调整位置。灵活的运用此脚本可以制作出很多各种充满创意的图形。本文根据此需求，展示如何制作这款插件的流程。 1.插件界面

  插件最终效果如下：

var win = new Window("dialog", "智能填充"); win.orientation = "column"; win.alignChildren = ["fill", "fill"]; var globalGroup = win.add("group"); globalGroup.orientation = "column"; globalGroup.alignChildren = ["fill", "fill"]; var sizePanel = globalGroup.add("panel", undefined, "对象占总尺寸的比例"); var sizeGroup = sizePanel.add("group"); sizePanel.alignChildren = "fill"; sizeGroup.orientation = "row"; sizeGroup.alignChildren = ["fill", "fill"]; var maxValueGroup = sizeGroup.add("group"); maxValueGroup.orientation = "row"; maxValueGroup.alignChildren = "fill"; var maxValueLabel = maxValueGroup.add("statictext", undefined, "最大值:"); var maxValue = maxValueGroup.add("edittext", [0, 0, 50, 25], "10"); maxValueLabel.justify = "center"; var minValueGroup = sizeGroup.add("group"); minValueGroup.orientation = "row"; minValueGroup.alignChildren = "fill"; var minValueLabel = minValueGroup.add("statictext", undefined, "最小值:"); var minValue = minValueGroup.add("edittext", [0, 0, 50, 25], "4"); minValueLabel.justify = "center"; function checkMnMaxSize(val, item, min, max) { if (item === minValue) { if (val > parseFloat(maxValue.text)) { maxValue.text = val >= max ? max : val; } } else { if (item === maxValue) { if (val < parseFloat(minValue.text)) { minValue.text = val < min ? min : val; } } } } maxValue.addEventListener("keydown", function (e) { if (e.ctrlKey && e.keyName === "Right") { minValue.text = this.text } else { inputNumberEvents(e, maxValue, 1, Infinity, checkMnMaxSize) } }); minValue.addEventListener("keydown", function (e) { if (e.ctrlKey && e.keyName === "Left") { maxValue.text = this.text } else { inputNumberEvents(e, minValue, 1, Infinity, checkMnMaxSize) } }); var guttersResizeGroup = sizePanel.add("group"); guttersResizeGroup.orientation = "row"; guttersResizeGroup.alignChildren = ["fill", "fill"]; var guttersGroup = guttersResizeGroup.add("group"); guttersGroup.orientation = "column"; guttersGroup.alignChildren = "fill"; var guttersLabel = guttersGroup.add("statictext", undefined, "最小间距"); guttersValue = guttersGroup.add("edittext", undefined, "0"); guttersValue.addEventListener("keydown", function (e) { inputNumberEvents(e, this, 0, Infinity); }); var resizeGroup = guttersResizeGroup.add("group"); resizeGroup.orientation = "column"; resizeGroup.alignChildren = "fill"; var resizeLabel = resizeGroup.add("statictext", undefined, "调整大小"); resizeValue = resizeGroup.add("edittext", undefined, "70"); resizeValue.addEventListener("keydown", function (e) { inputNumberEvents(e, this, 10, Infinity); }); var rotatePositionGroup = globalGroup.add("group"); rotatePositionGroup.orientation = "row"; rotatePositionGroup.alignChildren = ["fill", "fill"]; var rotatePanel = rotatePositionGroup.add("panel", undefined, "旋转对象:"); rotatePanel.alignChildren = "fill"; var randomRadioGroup = rotatePanel.add("group"); randomRadioGroup.orientation = "column"; var randomRotate = randomRadioGroup.add("radiobutton", undefined, "随机"); var rotateByValue = randomRadioGroup.add("radiobutton", undefined, "度数"); var rotateValue = rotatePanel.add("edittext", undefined, "0"); randomRotate.value = true; rotateValue.enabled = false; randomRotate.onClick = function () { rotateValue.enabled = false; }; rotateByValue.onClick = function () { rotateValue.enabled = true; }; var objectPositionPanel = rotatePositionGroup.add("panel", undefined, "选择填充对象为:"); var objectPositionGroup = objectPositionPanel.add("group"); objectPositionGroup.orientation = "column"; objectPositionGroup.alignChildren = ["fill", "fill"]; var objectPosTop = objectPositionGroup.add("radiobutton", undefined, "填充顶层"); var objectPosBottom = objectPositionGroup.add("radiobutton", undefined, "填充底层"); var objectPosLayers = objectPositionGroup.add("checkbox", undefined, "反转"); objectPosTop.value = true; var groupResult = globalGroup.add("checkbox", undefined, "执行完成后群组对象"); var randomItems = globalGroup.add("checkbox", undefined, "随机分布(群组对象)"); var removeTopElement = globalGroup.add("checkbox", undefined, "执行后去除填充对象"); var winButtons = globalGroup.add("group"); winButtons.orientation = "row"; winButtons.alignChildren = ["fill", "fill"]; winButtons.margins = 0; var cancel = winButtons.add("button", undefined, "取消"); cancel.helpTip = "Press Esc to Close"; cancel.onClick = function () { win.close(); }; var ok = winButtons.add("button", undefined, "OK"); ok.helpTip = "Press Enter to Run"; ok.onClick = function (e) { startAction(); win.close(); }; ok.active = true; var progressBar = win.add("progressbar"); var progressBarCounter = 100; progressBar.value = 0; progressBar.minvalue = 0; progressBar.maxvalue = progressBarCounter; progressBar.maximumSize = [1000, 5]; win.center(); win.show(); 

2.算法过程

  利用二维平面几何，点和多边形的关系来实现，完整的源代码如下：

if (app.documents.length && app.selection.length < 2) { alert("请选择两个以上对象"); } else { var scriptName = "Fillinger"; var settingFile = { name: scriptName + "__setting.json", folder: Folder.myDocuments + "/LA_AI_Scripts/" }; function inputNumberEvents(ev, _input, min, max, callback) { var _dir = ev.keyName.toLowerCase().slice(0, 1); var _value = parseFloat(_input.text); var units = ",px,pt,mm,cm,in,".indexOf(_input.text.length > 2 ? "," + _input.text.replace(/ /g, "").slice(-2) + "," : ",!,") > -1 ? _input.text.replace(/ /g, "").slice(-2) : ""; min = min === undefined ? 0 : min; max = max === undefined ? Infinity : max; step = ev.shiftKey ? 10 : (ev.ctrlKey ? 0.1 : 1); if (isNaN(_value)) { _input.text = min; } else { _value = _dir === "u" || _dir === "r" ? _value + step : (_dir === "d" || _dir === "l" ? _value - step : false); if (_value !== false) { _value = _value <= min ? min : (_value >= max ? max : _value); _input.text = _value; if (callback instanceof Function) { callback(_value, _input, min, max, units) } } } } var win = new Window("dialog", "智能填充"); win.orientation = "column"; win.alignChildren = ["fill", "fill"]; var globalGroup = win.add("group"); globalGroup.orientation = "column"; globalGroup.alignChildren = ["fill", "fill"]; var sizePanel = globalGroup.add("panel", undefined, "对象占总尺寸的比例"); var sizeGroup = sizePanel.add("group"); sizePanel.alignChildren = "fill"; sizeGroup.orientation = "row"; sizeGroup.alignChildren = ["fill", "fill"]; var maxValueGroup = sizeGroup.add("group"); maxValueGroup.orientation = "row"; maxValueGroup.alignChildren = "fill"; var maxValueLabel = maxValueGroup.add("statictext", undefined, "最大值:"); var maxValue = maxValueGroup.add("edittext", [0, 0, 50, 25], "10"); maxValueLabel.justify = "center"; var minValueGroup = sizeGroup.add("group"); minValueGroup.orientation = "row"; minValueGroup.alignChildren = "fill"; var minValueLabel = minValueGroup.add("statictext", undefined, "最小值:"); var minValue = minValueGroup.add("edittext", [0, 0, 50, 25], "4"); minValueLabel.justify = "center"; function checkMnMaxSize(val, item, min, max) { if (item === minValue) { if (val > parseFloat(maxValue.text)) { maxValue.text = val >= max ? max : val; } } else { if (item === maxValue) { if (val < parseFloat(minValue.text)) { minValue.text = val < min ? min : val; } } } } maxValue.addEventListener("keydown", function (e) { if (e.ctrlKey && e.keyName === "Right") { minValue.text = this.text } else { inputNumberEvents(e, maxValue, 1, Infinity, checkMnMaxSize) } }); minValue.addEventListener("keydown", function (e) { if (e.ctrlKey && e.keyName === "Left") { maxValue.text = this.text } else { inputNumberEvents(e, minValue, 1, Infinity, checkMnMaxSize) } }); var guttersResizeGroup = sizePanel.add("group"); guttersResizeGroup.orientation = "row"; guttersResizeGroup.alignChildren = ["fill", "fill"]; var guttersGroup = guttersResizeGroup.add("group"); guttersGroup.orientation = "column"; guttersGroup.alignChildren = "fill"; var guttersLabel = guttersGroup.add("statictext", undefined, "最小间距"); guttersValue = guttersGroup.add("edittext", undefined, "0"); guttersValue.addEventListener("keydown", function (e) { inputNumberEvents(e, this, 0, Infinity); }); var resizeGroup = guttersResizeGroup.add("group"); resizeGroup.orientation = "column"; resizeGroup.alignChildren = "fill"; var resizeLabel = resizeGroup.add("statictext", undefined, "调整大小"); resizeValue = resizeGroup.add("edittext", undefined, "70"); resizeValue.addEventListener("keydown", function (e) { inputNumberEvents(e, this, 10, Infinity); }); var rotatePositionGroup = globalGroup.add("group"); rotatePositionGroup.orientation = "row"; rotatePositionGroup.alignChildren = ["fill", "fill"]; var rotatePanel = rotatePositionGroup.add("panel", undefined, "旋转对象:"); rotatePanel.alignChildren = "fill"; var randomRadioGroup = rotatePanel.add("group"); randomRadioGroup.orientation = "column"; var randomRotate = randomRadioGroup.add("radiobutton", undefined, "随机"); var rotateByValue = randomRadioGroup.add("radiobutton", undefined, "度数"); var rotateValue = rotatePanel.add("edittext", undefined, "0"); randomRotate.value = true; rotateValue.enabled = false; randomRotate.onClick = function () { rotateValue.enabled = false; }; rotateByValue.onClick = function () { rotateValue.enabled = true; }; var objectPositionPanel = rotatePositionGroup.add("panel", undefined, "选择填充对象为:"); var objectPositionGroup = objectPositionPanel.add("group"); objectPositionGroup.orientation = "column"; objectPositionGroup.alignChildren = ["fill", "fill"]; var objectPosTop = objectPositionGroup.add("radiobutton", undefined, "填充顶层"); var objectPosBottom = objectPositionGroup.add("radiobutton", undefined, "填充底层"); var objectPosLayers = objectPositionGroup.add("checkbox", undefined, "反转"); objectPosTop.value = true; var groupResult = globalGroup.add("checkbox", undefined, "执行完成后群组对象"); var randomItems = globalGroup.add("checkbox", undefined, "随机分布(群组对象)"); var removeTopElement = globalGroup.add("checkbox", undefined, "执行后去除填充对象"); var winButtons = globalGroup.add("group"); winButtons.orientation = "row"; winButtons.alignChildren = ["fill", "fill"]; winButtons.margins = 0; var cancel = winButtons.add("button", undefined, "取消"); cancel.helpTip = "Press Esc to Close"; cancel.onClick = function () { win.close(); }; var ok = winButtons.add("button", undefined, "OK"); ok.helpTip = "Press Enter to Run"; ok.onClick = function (e) { startAction(); win.close(); }; ok.active = true; var progressBar = win.add("progressbar"); var progressBarCounter = 100; progressBar.value = 0; progressBar.minvalue = 0; progressBar.maxvalue = progressBarCounter; progressBar.maximumSize = [1000, 5]; function startAction() { globalGroup.enabled = false; var __rotateValue = Number(rotateValue.text); maxCircleSize = Number(maxValue.text); if (maxCircleSize < 0.01 || maxCircleSize > 100) { maxCircleSize = 20; } minCircleSize = Number(minValue.text); if (minCircleSize < 0.01 || minCircleSize > maxCircleSize) { minCircleSize = maxCircleSize / 2; } maxCircleSize /= 100; minCircleSize /= 100; maxCircleSize /= 2; minCircleSize /= 2; minDistanceToOtherCircles = Number(guttersValue.text); var items = selection.concat(); if (!objectPosLayers.value) { items.sort(function (a, b) { return a.geometricBounds[1] <= b.geometricBounds[1]; }) } if (objectPosBottom.value) { items.reverse() } var object = items[0]; if (object.typename !== "PathItem" && object.typename !== "CompoundPathItem") { return alert("填充对象必须是路径或复合路径项! [" + object.typename + "]"); } items.splice(0, 1); var placeObject = items.length === 1 ? (items[0].typename === "GroupItem" ? items[0].pageItems : [items[0]]) : (!items.length ? [] : items); if (!placeObject.length) { return alert("No items to fill!"); } var placeObjectResizeValue = isNaN(parseFloat(resizeValue.text)) ? parseFloat(resizeValue.text) : 70; var innerpaths = []; var outerPath = null; groupItems = groupResult.value ? activeDocument.groupItems.add() : false; if (groupItems) { groupItems.move(object, ElementPlacement.PLACEBEFORE) } function getNode() { return !randomItems.value ? placeObject[0] : placeObject[Math.floor(Math.random() * placeObject.length)]; } if (object.constructor.name == "CompoundPathItem") { for (var p = 0; p < object.pathItems.length; p += 1) { innerpaths.push(flattenPath(object.pathItems[p])); } if (innerpaths.length == 1 && outerPath == null) { outerPath = innerpaths[0]; innerpaths = []; } else { var minx = innerpaths[0][0][0]; var outer = 0; for (var p = 0; p < innerpaths.length; p += 1) { for (var q = 0; q < innerpaths[p].length; q += 1) { if (innerpaths[p][q][0] < minx) { minx = innerpaths[p][q][0]; outer = p; } } } outerPath = innerpaths[outer]; innerpaths.splice(outer, 1); } } else { outerPath = flattenPath(object); } if (outerPath == null) { alert("Got a bad path. What's going on?"); } else { minx = object.geometricBounds[0]; miny = object.geometricBounds[1]; maxx = object.geometricBounds[2]; maxy = object.geometricBounds[3]; if (minx > maxx) { x = minx; minx = maxx; maxx = x; } if (miny > maxy) { y = miny; miny = maxy; maxy = y; } maxwide = maxx - minx; maxhigh = maxy - miny; totalArea = Math.abs(object.area); filledArea = 0; Math_Epsilon = 0.0001; joinedPath = outerPath; triangleIndexList = Triangulate(joinedPath, innerpaths); triangleList = []; for (var p = 0; p < triangleIndexList.length; p += 3) { triangleList.push([joinedPath[triangleIndexList[p]], joinedPath[triangleIndexList[p + 1]], joinedPath[triangleIndexList[p + 2]]]); } edgeList = [ [outerPath[outerPath.length - 1], outerPath[0]] ]; for (var i = 0; i < outerPath.length - 1; i += 1) { edgeList.push([outerPath[i], outerPath[i + 1]]); } for (var i = 0; i < innerpaths.length; i += 1) { edgeList.push([innerpaths[i][innerpaths.length - 1], innerpaths[i][0]]); for (var i2 = 0; i2 < innerpaths[i].length - 1; i2 += 1) { edgeList.push([innerpaths[i][i2], innerpaths[i][i2 + 1]]); } } areaList = []; triArea = 0; for (var p = 0; p < triangleList.length; p += 1) { triArea += Math.abs(Area([triangleList[p][0], triangleList[p][1], triangleList[p][1], triangleList[p][2], triangleList[p][2], triangleList[p][0]])); areaList.push(triArea); } pointList = []; circleList = []; radiiList = []; maxsize = Math.sqrt(maxwide * maxhigh); size = maxCircleSize; while (true) { radiiList.push(size * maxsize); size *= 0.667; if (size < minCircleSize) { break; } } progressBarCounter = (progressBar.maxvalue * 0.25) / radiiList.length; for (var rad = 0; rad < radiiList.length; rad += 1) { for (var p = 0; p < 1000; p += 1) { a_rnd = Math.random() * triArea; for (var q = 0; q < triangleList.length; q += 1) { if (areaList[q] > a_rnd) { break; } } pt = getRandomPoint(triangleList[q]); d = distanceToClosestEdge(pt, edgeList); if (d >= radiiList[rad]) { for (var c = 0; c < pointList.length; c += 1) { xd = Math.abs(pt[0] - pointList[c][0]); yd = Math.abs(pt[1] - pointList[c][1]); if (xd <= (radiiList[rad] + circleList[c] + minDistanceToOtherCircles) && yd <= (radiiList[rad] + circleList[c] + minDistanceToOtherCircles)) { d = distanceFromPointToPoint(pt, pointList[c]) - minDistanceToOtherCircles; if (d < (radiiList[rad] + circleList[c])) { break; } } } if (c == pointList.length) { nrad = radiiList[rad]; pointList.push(pt); circleList.push(nrad); } } } progressBar.value += progressBarCounter; win.update(); } progressBarCounter = (progressBar.maxvalue * 0.75) / pointList.length; for (var p = 0; p < pointList.length; p += 1) { pt = pointList[p]; nrad = distanceToClosestEdge(pt, edgeList); for (var c = 0; c < pointList.length; c += 1) { if (c == p) { continue; } xd = Math.abs(pt[0] - pointList[c][0]); yd = Math.abs(pt[1] - pointList[c][1]); if (xd <= (nrad + circleList[c] + minDistanceToOtherCircles) && yd <= (nrad + circleList[c] + minDistanceToOtherCircles)) { nd = (distanceFromPointToPoint(pt, pointList[c]) - circleList[c]) - minDistanceToOtherCircles; if (nd < nrad) { nrad = nd } } } circleList[p] = nrad; var __placeObject = getNode().duplicate(); var placeObjectSize = __placeObject.width >= __placeObject.height ? "width" : "height"; var placeObjectSizeReverse = placeObjectSize === "width" ? "height" : "width"; var __radius = 2 * nrad; var __size = __radius * (placeObjectResizeValue / 100); __ratio = ((__size * 100) / __placeObject[placeObjectSize]) / 100; __placeObject.move(groupResult.value ? groupItems : object, ElementPlacement[groupResult.value ? "INSIDE" : "PLACEBEFORE"]); __placeObject[placeObjectSize] = __size; __placeObject[placeObjectSizeReverse] *= __ratio; __placeObject.position = [(pt[0] - nrad) + ((__radius - __placeObject.width) / 2), (pt[1] + nrad) - ((__radius - __placeObject.height) / 2)]; if (randomRotate.value) { __placeObject.rotate(Math.floor(Math.random() * 360)) } else { if (rotateByValue.value && __rotateValue) { __placeObject.rotate(__rotateValue) } } progressBar.value += progressBarCounter; win.update(); } } if (removeTopElement.value) { object.remove() } } function drawLine(a, b) { var p = app.activeDocument.pathItems.add(); try { p.setEntirePath([a, b]); p.strokeWidth = 0.1; } catch (e) { alert("Bad line:\ra=" + a + "\rb=" + b); } return p; } function distanceFromPointToPoint(A, B) { return Math.sqrt(((A[0] - B[0]) * (A[0] - B[0])) + ((A[1] - B[1]) * (A[1] - B[1]))); } function flattenPath(obj) { var newpath = new Array(); var isFlattened = false; if (!obj.hasOwnProperty("pathPoints")) { return null; } for (var pt = 0; pt < obj.pathPoints.length; pt += 1) { nextpt = pt + 1; if (nextpt == obj.pathPoints.length) { nextpt = 0; } if (obj.pathPoints[pt].anchor[0] == obj.pathPoints[pt].rightDirection[0] && obj.pathPoints[pt].anchor[1] == obj.pathPoints[pt].rightDirection[1] && obj.pathPoints[nextpt].anchor[0] == obj.pathPoints[nextpt].leftDirection[0] && obj.pathPoints[nextpt].anchor[1] == obj.pathPoints[nextpt].leftDirection[1]) { newpath.push(obj.pathPoints[pt].anchor); } else { isFlattened = true; curveList = curve4(obj.pathPoints[pt].anchor[0], obj.pathPoints[pt].anchor[1], obj.pathPoints[pt].rightDirection[0], obj.pathPoints[pt].rightDirection[1], obj.pathPoints[nextpt].leftDirection[0], obj.pathPoints[nextpt].leftDirection[1], obj.pathPoints[nextpt].anchor[0], obj.pathPoints[nextpt].anchor[1], 4); newpath = newpath.concat(curveList); } } return newpath; } function pointInsidePoly(pt, poly) { var c = false; var i = -1; var l = poly.length; for (var j = l - 1; ++i < l; j = i) { poly[i][1] <= pt[1] && pt[1] < poly[j][1] || poly[j][1] <= pt[1] && pt[1] < poly[i][1] && pt[0] < ((((poly[j][0] - poly[i][0]) * (pt[1] - poly[i][1])) / (poly[j][1] - poly[i][1])) + poly[i][0]) && c = !c; } return c; } function getWinding(path) { var accum = 0; for (var i = 0; i < path.length - 1; i += 1) { next = i + 1; accum += ((path[next][0] * path[i][1]) - (path[i][0] * path[next][1])); } next = 0; accum += ((path[next][0] * path[i][1]) - (path[i][0] * path[next][1])); return accum / 2; } function curve4(x1, y1, x2, y2, x3, y3, x4, y4, nSteps) { var pointList = new Array(); var dx1 = x2 - x1; var dy1 = y2 - y1; var dx2 = x3 - x2; var dy2 = y3 - y2; var dx3 = x4 - x3; var dy3 = y4 - y3; var subdiv_step = 1 / (nSteps + 1); var subdiv_step2 = subdiv_step * subdiv_step; var subdiv_step3 = subdiv_step * subdiv_step * subdiv_step; var pre1 = 3 * subdiv_step; var pre2 = 3 * subdiv_step2; var pre4 = 6 * subdiv_step2; var pre5 = 6 * subdiv_step3; var tmp1x = (x1 - (x2 * 2)) + x3; var tmp1y = (y1 - (y2 * 2)) + y3; var tmp2x = (((x2 - x3) * 3) - x1) + x4; var tmp2y = (((y2 - y3) * 3) - y1) + y4; var fx = x1; var fy = y1; var dfx = ((x2 - x1) * pre1) + (tmp1x * pre2) + (tmp2x * subdiv_step3); var dfy = ((y2 - y1) * pre1) + (tmp1y * pre2) + (tmp2y * subdiv_step3); var ddfx = (tmp1x * pre4) + (tmp2x * pre5); var ddfy = (tmp1y * pre4) + (tmp2y * pre5); var dddfx = tmp2x * pre5; var dddfy = tmp2y * pre5; var step = nSteps; pointList.push([x1, y1]); while (step--) { fx += dfx; fy += dfy; dfx += ddfx; dfy += ddfy; ddfx += dddfx; ddfy += dddfy; pointList.push([fx, fy]); } return pointList; } function Triangulate(m_points, holes) { var indices = new Array(); if (holes.length) { for (var hh = 0; hh < holes.length; hh += 1) { var h = holes[hh]; var miny = 0; for (var i = 1; i < h.length; i += 1) { if (h[i][1] < h[miny][1]) { miny = i; } } var closestpt = 0; var closestd = distanceFromPointToPoint(h[miny], m_points[closestpt]); for (var i = 1; i < m_points.length; i += 1) { var d = distanceFromPointToPoint(h[miny], m_points[i]); if (d < closestd) { closestd = d; closestpt = i; } } m_points.splice(closestpt, 0, [m_points[closestpt][0], m_points[closestpt][1] + 0.05]); closestpt++; h.splice(miny, 0, [h[miny][0], h[miny][1]]); h[miny][1] += 0.05; for (var i = miny; i >= 0; i--) { m_points.splice(closestpt, 0, h[i]); } for (var i = h.length - 1; i > miny; i--) { m_points.splice(closestpt, 0, h[i]); } } } var n = m_points.length; if (n < 3) { return indices; } var V = new Array(n); if (Area(m_points) > 0) { for (var v = 0; v < n; v += 1) { V[v] = v } } else { for (var v = 0; v < n; v += 1) { V[v] = (n - 1) - v; } } var nv = n; var count = 2 * nv; var m = 0; var v = nv - 1; for (; nv > 2;) { if (count-- <= 0) { return indices; } var u = v; if (nv <= u) { u = 0; } v = u + 1; if (nv <= v) { v = 0; } var w = v + 1; if (nv <= w) { w = 0; } if (Snip(u, v, w, nv, V, m_points)) { a = V[u]; b = V[v]; c = V[w]; indices.push(a); indices.push(b); indices.push(c); m++; for (s = v, t = v + 1; t < nv; s++, t++) { V[s] = V[t]; } nv--; count = 2 * nv; } } indices.reverse(); return indices; } function Area(m_points) { var n = m_points.length; var A = 0; var p = n - 1; var q = 0; for (; q < n; p = q++) { var pval = m_points[p]; var qval = m_points[q]; A += ((pval[0] * qval[1]) - (qval[0] * pval[1])); } return A * 0.5; } function Snip(u, v, w, n, V, m_points) { var A = m_points[V[u]]; var B = m_points[V[v]]; var C = m_points[V[w]]; if (Math_Epsilon > (((B[0] - A[0]) * (C[1] - A[1])) - ((B[1] - A[1]) * (C[0] - A[0])))) { return false; } for (var p = 0; p < n; p += 1) { if (p == u || p == v || p == w) { continue; } var P = m_points[V[p]]; if (InsideTriangle(A, B, C, P)) { return false; } } return true; } function InsideTriangle(A, B, C, P) { ax = C[0] - B[0]; ay = C[1] - B[1]; bx = A[0] - C[0]; by = A[1] - C[1]; cx = B[0] - A[0]; cy = B[1] - A[1]; apx = P[0] - A[0]; apy = P[1] - A[1]; bpx = P[0] - B[0]; bpy = P[1] - B[1]; cpx = P[0] - C[0]; cpy = P[1] - C[1]; aCROSSbp = (ax * bpy) - (ay * bpx); cCROSSap = (cx * apy) - (cy * apx); bCROSScp = (bx * cpy) - (by * cpx); return aCROSSbp >= 0 && bCROSScp >= 0 && cCROSSap >= 0; } function plotRandomPoint(triangle) { Ax = triangle[0][0]; Ay = triangle[0][1]; Bx = triangle[1][0]; By = triangle[1][1]; Cx = triangle[2][0]; Cy = triangle[2][1]; a = Math.random(); b = Math.random() * (1 - a); c = (1 - a) - b; Px = (a * Ax) + (b * Bx) + (c * Cx); Py = (a * Ay) + (b * By) + (c * Cy); app.activeDocument.pathItems.ellipse(Py + 1, Px - 1, 2, 2); } function getRandomPoint(triangle) { Ax = triangle[0][0]; Ay = triangle[0][1]; Bx = triangle[1][0]; By = triangle[1][1]; Cx = triangle[2][0]; Cy = triangle[2][1]; do { a = Math.random(); b = Math.random(); } while ((a + b) >= 1) c = (1 - a) - b; Px = (a * Ax) + (b * Bx) + (c * Cx); Py = (a * Ay) + (b * By) + (c * Cy); return [Px, Py]; } function getCircleThru(v1, v2, v3) { var x1 = v1[0]; var y1 = v1[1]; var x2 = v2[0]; var y2 = v2[1]; var x3 = v3[0]; var y3 = v3[1]; var s = 0.5 * (((x2 - x3) * (x1 - x3)) - ((y2 - y3) * (y3 - y1))); var sUnder = ((x1 - x2) * (y3 - y1)) - ((y2 - y1) * (x1 - x3)); if (Math.abs(sUnder) < 0.001) { return null; } s /= sUnder; var xc = (0.5 * (x1 + x2)) + (s * (y2 - y1)); var yc = (0.5 * (y1 + y2)) + (s * (x1 - x2)); var radius = Math.sqrt(((xc - x1) * (xc - x1)) + ((yc - y1) * (yc - y1))); return [xc, yc, radius]; } function distanceToClosestEdge(pt, edgelist) { d = ClosestPointOnLine(pt, [edgelist[0][0], edgelist[0][1]]); d = d[1]; for (var p = 1; p < edgelist.length; p += 1) { d2 = ClosestPointOnLine(pt, [edgelist[p][0], edgelist[p][1]]); if (d2[1] < d) { d = d2[1]; } } return d; } function ClosestPointOnLine(pt, line) { var X1 = line[0][0]; var Y1 = line[0][1]; var X2 = line[1][0]; var Y2 = line[1][1]; var px = pt[0]; var py = pt[1]; var dx = X2 - X1; var dy = Y2 - Y1; if (dx == 0 && dy == 0) { nx = X1; ny = Y1; } else { var t = (((px - X1) * dx) + ((py - Y1) * dy)) / ((dx * dx) + (dy * dy)); if (t <= 0) { nx = X1; ny = Y1; } else if (t >= 1) { nx = X2; ny = Y2; } else { nx = X1 + (t * dx); ny = Y1 + (t * dy); } } dx = px - nx; dy = py - ny; return [[nx, ny], Math.sqrt((dx * dx) + (dy * dy))]; } function point(arr) { this.x = arr[0]; this.y = arr[1]; this.distance = function (pt) { return Math.sqrt(((this.x - pt.x) * (this.x - pt.x)) + ((this.y - pt.y) * (this.y - pt.y))); }; } function saveSettings() { var $file = new File(settingFile.folder + settingFile.name); var data = [maxValue.text, minValue.text, guttersValue.text, resizeValue.text, rotateValue.text, randomRotate.value, rotateByValue.value, objectPosTop.value, objectPosBottom.value, objectPosLayers.value, randomItems.value, removeTopElement.value, groupResult.value].toString(); $file.open("w"); $file.write(data); $file.close(); } function loadSettings() { var $file = File(settingFile.folder + settingFile.name); if ($file.exists) { try { $file.open("r"); var data = $file.read().split("\n"); var $main = data[0].split(","); maxValue.text = $main[0]; minValue.text = $main[1]; guttersValue.text = $main[2]; resizeValue.text = $main[3]; rotateValue.text = $main[4]; randomRotate.value = $main[5] === "true"; rotateByValue.value = $main[6] === "true"; objectPosTop.value = $main[7] === "true"; objectPosBottom.value = $main[8] === "true"; objectPosLayers.value = $main[9] === "true"; randomItems.value = $main[10] === "true"; removeTopElement.value = $main[11] === "true"; groupResult.value = $main[12] === "true"; rotateValue.enabled = !randomRotate.value; } catch (e) { } $file.close(); } } win.onClose = function () { saveSettings(); return true; }; function checkSettingFolder() { var $folder = new Folder(settingFile.folder); if (!$folder.exists) { $folder.create() } } checkSettingFolder(); loadSettings(); win.center(); win.show(); } 

3.源码下载

   源码已经上传至CSDN，欢迎下载：https://download.csdn.net/download/m0_67316550/83063370

4.实现效果

   需要选择所有轮廓，小的轮廓填充在大的轮廓中。如下图所示：

5.作者寄语

  合理的脚本代码可以有效的提高工作效率，减少重复劳动。

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