使用新的webcad api进行建模

src/ViewSrc/index.ts

@@ -2,21 +2,20 @@
 // import "./style.css";
 import { Vector3 } from "three";
 import { CameraControlState } from "../CameraControls";
-import { data } from "../data";
 import { GetBox } from "../GeUtils";
 import { LoadBoard } from "../Utils";
 import { Viewer } from "../Viewer";
 
 let btn = document.createElement("button");
-btn.innerHTML = "载入"
+btn.innerHTML = "载入";
 document.body.appendChild(btn);
 
 let btn2 = document.createElement("button");
-btn2.innerHTML = "清理"
+btn2.innerHTML = "清理";
 document.body.appendChild(btn2);
 
 let btn3 = document.createElement("button");
-btn3.innerHTML = "爆炸图"
+btn3.innerHTML = "爆炸图";
 document.body.appendChild(btn3);
 
 let el = document.createElement("canvas");
@@ -36,15 +35,16 @@ view.m_CameraCtrl.m_TouthTypeList = [CameraControlState.Pan, CameraControlState.
 btn.onclick = () =>
 {
     console.time();
+    let data = require("./data.json");
     for (let i = 0; i < 1; i++)
         LoadBoard(view, data);
     console.timeEnd();
-}
+};
 
 btn2.onclick = () =>
 {
     // LoadBoard(view, []);
-}
+};
 
 btn3.onclick = () =>
 {
@@ -91,5 +91,5 @@ btn3.onclick = () =>
 
         if (count === 60)
             clearInterval(t);
-    }, 16)
-}
+    }, 16);
+};

src/createBoard.ts

@@ -1,9 +1,8 @@
-import { CylinderGeometry, Geometry, LineSegments, Mesh, Shape, Vector2, Vector3, Matrix4, ExtrudeGeometry, EdgesGeometry } from 'three';
+import { CylinderGeometry, EdgesGeometry, Geometry, LineSegments, Matrix4, Mesh, Shape, Vector2, Vector3 } from 'three';
+import { boardUVGenerator2, ExtrudeSolid, Polyline } from 'webcad_ue4_api';
 import { ColorMaterial } from './ColorPalette';
-import { equalv3, polar } from './GeUtils';
+import { polar } from './GeUtils';
 import { boardMaterial, edgeMaterial } from './Material';
-import { RotateUVs } from './RotateUV';
-import { ThreeBSP } from './ThreeCSG';
 //解析二维圆弧类.
 export class Arc2d
 {
@@ -56,7 +55,7 @@ export function createPath(pts: Vector2[], buls: number[], shapeOut?: Shape): Sh
         let nextPt = pts[i + 1];
         if (buls[i] == 0)
         {
-            shape.lineTo(nextPt.x, nextPt.y)
+            shape.lineTo(nextPt.x, nextPt.y);
         }
         else
         {
@@ -76,8 +75,7 @@ export function getVec(data: object): Vector3
     return new Vector3(data["x"], data["y"], data["z"]);
 }
 
-//创建板件 暂时这么写
-export function createBoard(boardData: object)
+function Conver2Ext(boardData: object): ExtrudeSolid
 {
     let pts: Vector2[] = [];
     let buls: number[] = [];
@@ -93,6 +91,7 @@ export function createBoard(boardData: object)
     let yD = getVec(boardData["YVec"]);
     let ZD = getVec(boardData["ZVec"]);
     let pBase = getVec(boardData["BasePoint"]);
+    pBase.add(ZD.clone().multiplyScalar(-boardHeight));
 
     boardMat.makeBasis(xD, yD, ZD);
     boardMat.setPosition(pBase);
@@ -111,7 +110,6 @@ export function createBoard(boardData: object)
     {
         let length = boardData["L"];
         let width = boardData["W"];
-        let height = boardData["H"];
         pts.push(new Vector2(0, 0),
             new Vector2(width, 0),
             new Vector2(width, length),
@@ -121,78 +119,66 @@ export function createBoard(boardData: object)
         buls.push(0, 0, 0, 0, 0);
     }
 
-    let sp = createPath(pts, buls);
-    let extrudeSettings = {
-        steps: 1,
-        bevelEnabled: false,
-        depth: boardHeight
-    };
+    let ext = new ExtrudeSolid();
+    ext.OCSNoClone.copy(boardMat);
+    let pl = new Polyline(pts.map((p, i) => { return { pt: p, bul: buls[i] }; }));
+    ext.Thickness = boardHeight;
+    ext.ContourCurve = pl;
 
-    let ext = new ExtrudeGeometry(sp, extrudeSettings) as Geometry;
-    ext.computeBoundingSphere();
-    ext.computeBoundingBox();
-    ext.translate(0, 0, -boardHeight)
-    ext.applyMatrix4(boardMat);
-
-    if (!equalv3(xD.clone().cross(yD), ZD))
-    {
-        for (let f of ext.faces)
-            [f.a, f.c] = [f.c, f.a];
-    }
-
-    //外边.
-    let edges: (LineSegments | Mesh)[] = [createEdge(ext)];
-
-    //差集
-    if (checkObjectArray(boardData, "SubBoardLocal")
-        || checkObjectArray(boardData, "Drillings"))
-    {
-        let thisCsg = new ThreeBSP(ext);
-
-        if (boardData["SubBoardLocal"])
-        {
-            let subBoardList = boardData["SubBoardLocal"].map(d => createBoard(d));
-            for (let br of subBoardList)
-            {
-                edges.push(...br.edges);
-                let subCsg = new ThreeBSP(br.mesh);
-                thisCsg = thisCsg.subtract(subCsg);
-            }
-        }
-        if (boardData["Drillings"])
-        {
-            let dris = boardData["Drillings"];
-            for (let dri of dris)
-            {
-                let geo = new CylinderGeometry(dri.r, dri.r, dri.h, 8);
-                geo.rotateX(Math.PI * 0.5);
-
-                if (dri.f === 0) //0正
-                    geo.translate(dri.x, dri.y, -dri.h * 0.5);
-                else             //1反
-                    geo.translate(dri.x, dri.y, dri.h * 0.5 - boardData["H"]);
-
-                geo.applyMatrix4(boardMat);
-
-                let mesh = new Mesh(geo, ColorMaterial.GetBasicMaterial(1));
-                edges.push(mesh);
-                // let edge = createEdge(geo);
-                // edge.material = new LineBasicMaterial({ color: new Color(1, 0, 0) });
-                // edges.push(edge);
-
-                // let subCsg = new ThreeBSP(geo);
-                // thisCsg = thisCsg.subtract(subCsg);
-            }
-        }
-        ext = thisCsg.toGeometry();
-    }
+    if (checkObjectArray(boardData, "SubBoardLocal"))
+        ext.Grooves.push(...boardData["SubBoardLocal"].map(Conver2Ext));
+    return ext;
+}
 
+//创建板件 暂时这么写
+export function createBoard(boardData: object)
+{
+    let ext = Conver2Ext(boardData);
     if (boardData["BoardName"] === "地脚线")
-        RotateUVs(ext);
+        Object.defineProperty(ext, "UCGenerator",
+            {
+                get: function ()
+                {
+                    return boardUVGenerator2;
+                },
+            });
 
-    let mesh = new Mesh(ext, boardMaterial);
-    mesh.userData = ZD;
-    edges.forEach(e => e.userData = ZD);
+    //板件被镜像时.
+    // if (!equalv3(xD.clone().cross(yD), ZD))
+    // {
+    //     for (let f of ext.faces)
+    //         [f.a, f.c] = [f.c, f.a];
+    // }
+
+    //边
+    let edges: (LineSegments | Mesh)[] = [new LineSegments(ext.EdgeGeometry, edgeMaterial)];
+    edges[0].applyMatrix4(ext.OCSNoClone);
+
+    if (checkObjectArray(boardData, "Drillings"))
+    {
+        let dris = boardData["Drillings"];
+        for (let dri of dris)
+        {
+            let geo = new CylinderGeometry(dri.r, dri.r, dri.h, 8);
+            geo.rotateX(Math.PI * 0.5);
+
+            if (dri.f === 0) //0正
+                geo.translate(dri.x, dri.y, -dri.h * 0.5 + boardData["H"]);
+            else             //1反
+                geo.translate(dri.x, dri.y, dri.h * 0.5);
+
+            geo.applyMatrix4(ext.OCSNoClone);
+
+            let mesh = new Mesh(geo, ColorMaterial.GetBasicMaterial(1));
+            edges.push(mesh);
+        }
+    }
+
+    let mesh = new Mesh(ext.MeshGeometry, boardMaterial);
+    mesh.userData = ext.Normal;
+    edges.forEach(e => e.userData = ext.Normal);
+    mesh.applyMatrix4(ext.OCSNoClone);
+    mesh.updateWorldMatrix(false, true);
     return { mesh, edges };
 }