144 lines
5.0 KiB
JavaScript
144 lines
5.0 KiB
JavaScript
"use strict";
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Object.defineProperty(exports, "__esModule", { value: true });
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const THREE = require("three");
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const three_1 = require("three");
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const GeUtils_1 = require("./GeUtils");
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const Material_1 = require("./Material");
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const RotateUV_1 = require("./RotateUV");
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const ThreeCSG_1 = require("./ThreeCSG");
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//解析二维圆弧类.
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class Arc2d {
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constructor(p1, p2, bul) {
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this.m_StartPoint = p1.clone();
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this.m_EndPoint = p2.clone();
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let vec = p2.clone().sub(p1);
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let len = vec.length();
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let an = vec.angle();
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this.m_Radius = len / Math.sin(2 * Math.atan(bul)) / 2;
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let allAngle = Math.atan(bul) * 4;
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let delDis = bul * len / 2;
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let toDis = this.m_Radius - delDis;
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an += Math.PI * 0.5;
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this.m_Center = p1.clone().add(p2);
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this.m_Center.multiplyScalar(0.5);
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GeUtils_1.polar(this.m_Center, an, toDis);
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this.m_StartAn = p1.clone().sub(this.m_Center).angle();
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this.m_EndAn = p2.clone().sub(this.m_Center).angle();
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if (bul < 0) {
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//一个神奇的特性 它需要这么做
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this.m_StartAn -= Math.PI;
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this.m_EndAn -= Math.PI;
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}
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}
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}
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exports.Arc2d = Arc2d;
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//创建轮廓 通过点表和凸度
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function createPath(pts, buls, shapeOut) {
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let shape = shapeOut || new three_1.Shape();
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if (pts.length === 0)
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return shape;
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let firstPt = pts[0];
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shape.moveTo(firstPt.x, firstPt.y);
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for (let i = 0; i < pts.length - 1; i++) {
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let nextPt = pts[i + 1];
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if (buls[i] == 0) {
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shape.lineTo(nextPt.x, nextPt.y);
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}
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else {
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let pt = pts[i];
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//参考
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//http://www.dorodnic.com/blog/tag/three-js/ 绘制一个齿轮
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//https://www.kirupa.com/html5/drawing_circles_canvas.htm //html5
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let arc2 = new Arc2d(pt, nextPt, buls[i]);
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let cen = arc2.m_Center;
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shape.absarc(cen.x, cen.y, arc2.m_Radius, arc2.m_StartAn, arc2.m_EndAn, buls[i] < 0);
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}
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}
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return shape;
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}
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exports.createPath = createPath;
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function getVec(data) {
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return new THREE.Vector3(data["x"], data["y"], data["z"]);
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}
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exports.getVec = getVec;
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//创建板件 暂时这么写
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function createBoard(boardData) {
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let pts = new Array();
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let buls = new Array();
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let boardPts = boardData["Pts"];
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let boardBuls = boardData["Buls"];
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let boardHeight = boardData["H"];
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let boardMat = new THREE.Matrix4();
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let matInv = new THREE.Matrix4();
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//InitBoardMat
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{
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let xD = getVec(boardData["XVec"]);
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let yD = getVec(boardData["YVec"]);
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let ZD = getVec(boardData["ZVec"]);
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let pBase = getVec(boardData["BasePoint"]);
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boardMat.makeBasis(xD, yD, ZD);
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boardMat.setPosition(pBase);
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matInv.getInverse(boardMat, true);
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}
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if (boardPts && boardPts.length !== 0)
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for (let i = 0; i < boardPts.length; i++) {
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let pt = getVec(boardPts[i]);
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if (boardPts[i].z !== undefined)
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pt.applyMatrix4(matInv);
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pts.push(new THREE.Vector2(pt.x, pt.y));
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buls.push(boardBuls[i]);
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}
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else {
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let length = boardData["L"];
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let width = boardData["W"];
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let height = boardData["H"];
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pts.push(new three_1.Vector2(0, 0), new three_1.Vector2(width, 0), new three_1.Vector2(width, length), new three_1.Vector2(0, length), new three_1.Vector2(0, 0));
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buls.push(0, 0, 0, 0, 0);
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}
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let sp = createPath(pts, buls);
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let extrudeSettings = {
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steps: 1,
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bevelEnabled: false,
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amount: boardHeight
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};
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let ext = new THREE.ExtrudeGeometry(sp, extrudeSettings);
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ext.computeBoundingSphere();
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ext.computeBoundingBox();
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ext.translate(0, 0, -boardHeight);
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ext.applyMatrix(boardMat);
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//外边.
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let edges = [createEdge(ext)];
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//差集
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if (boardData["SubBoardLocal"].length > 0) {
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let subBoardList = boardData["SubBoardLocal"].map(d => createBoard(d));
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let thisCsg = new ThreeCSG_1.ThreeBSP(ext);
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for (let br of subBoardList) {
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edges.push(...br.edges);
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let subCsg = new ThreeCSG_1.ThreeBSP(br.mesh);
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thisCsg = thisCsg.subtract(subCsg);
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}
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ext = thisCsg.toGeometry();
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}
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if (boardData["BoardName"] === "地脚线")
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RotateUV_1.RotateUVs(ext);
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let mesh = new THREE.Mesh(ext, Material_1.boardMaterial);
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return { mesh, edges };
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}
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exports.createBoard = createBoard;
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function createTemplateBoard(brDataList) {
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let meshs = [];
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let edgesa = [];
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for (let d of brDataList) {
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let { mesh, edges } = createBoard(d);
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meshs.push(mesh);
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edgesa.push(...edges);
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}
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return { meshs, edgesa };
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}
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exports.createTemplateBoard = createTemplateBoard;
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function createEdge(geo) {
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let edge = new THREE.EdgesGeometry(geo, 1);
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return new three_1.LineSegments(edge, Material_1.edgeMaterial);
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}
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exports.createEdge = createEdge;
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//# sourceMappingURL=createBoard.js.map
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