修复自定义编号不显示，添加双面显示

src/SimpleBoard.ts

@@ -1,7 +1,8 @@
 import { CylinderGeometry, LineSegments, Matrix4, Mesh, MeshBasicMaterial, Vector2, Vector3 } from "three";
-import { DbText, ExtrudeSolid, Polyline, RenderType, TextAligen, boardUVGenerator2 } from "webcad_ue4_api";
+import { ExtrudeSolid, Polyline, boardUVGenerator2 } from "webcad_ue4_api";
 import { ColorMaterial } from "./ColorPalette";
 import { edgeMaterial } from "./Material";
+import { DbText } from "./Text";
 
 function getVec(data: object): Vector3
 {
@@ -32,7 +33,6 @@ export class SimpleBoard
     DataID: number;
     _BoardType: BoardType;
     _CustomNumber: string;
-    _CustomNumberTextEntity: any;
 
     constructor(boardData: any)
     {
@@ -157,32 +157,34 @@ export class SimpleBoard
         mesh.updateWorldMatrix(false, true);
 
         // 自定义编号
-        this.createCustomNo();
-        let o = this._CustomNumberTextEntity.GetDrawObjectFromRenderType(RenderType.Conceptual);
-        if (o)
-        {
-            mesh.add(o);
-        }
 
+        // let o = this._CustomNumberTextEntity.GetDrawObjectFromRenderType(RenderType.Conceptual);
+        // if (o)
+        // {
+        //     mesh.add(o);
+        // }
+        if (this._CustomNumber)
+        {
+            mesh.add(this.createCustomNo());
+        }
 
         return { mesh, edges };
     }
     private createCustomNo()
     {
-        if (!this._CustomNumberTextEntity)
+        let text = new DbText(this._CustomNumber?.toString(), 100);
-        {
+        let position = new Vector3(this.width * 0.5, this.height * 0.5, this.thickness * 0.5);
-            this._CustomNumberTextEntity = new DbText();
-            this._CustomNumberTextEntity.TextAligen = TextAligen.Mid;
-            this._CustomNumberTextEntity.IsDoubleMesh = true;
-            this._CustomNumberTextEntity.IsFsText = this._BoardType === BoardType.Layer;
-
-            this._CustomNumberTextEntity.IsEmbedEntity = true;
-        }
         if (this._BoardType === BoardType.Layer)
-            this._CustomNumberTextEntity.OCSNoClone.makeRotationZ(-Math.PI / 2).setPosition(this.width * 0.5, this.height * 0.5, this.thickness * 0.5);
+        {
+            text.applyMatrix4(new Matrix4().makeRotationZ(-Math.PI / 2).setPosition(position));
+        }
         else
-            this._CustomNumberTextEntity.OCSNoClone.identity().setPosition(this.width * 0.5, this.height * 0.5, this.thickness * 0.5);
+        {
+            text.applyMatrix4(new Matrix4().setPosition(position));
+        }
 
-        this._CustomNumberTextEntity.TextString = this._CustomNumber?.toString() ?? "未编号";
+        text.CreateDoubleMesh(this._BoardType === BoardType.Layer);
+
+        return text;
     }
 }

src/Text.ts

@@ -1,43 +1,59 @@
-import { Font, FontLoader, Mesh, ShapeGeometry, Vector3, Shape } from "three";
+import { Font, FontLoader, Matrix4, Mesh, Shape, ShapeGeometry, Vector3 } from "three";
 import { ColorMaterial } from "./ColorPalette";
 import { MoveMatrix } from "./GeUtils";
+import { XAxis, XAxisN, YAxis, YAxisN, ZAxisN } from "./Utils";
 
 class FontLoaderUtil
 {
-  private static defFont: Font;
+    private static defFont: Font;
-  static Load(): Font
+    static Load(): Font
-  {
-    if (!this.defFont)
     {
-      const f = require("../resources/fonts/helvetiker_regular.typeface.json");
+        if (!this.defFont)
-      let loader = new FontLoader();
+        {
-      this.defFont = loader.parse(f);
+            const f = require("../resources/fonts/helvetiker_regular.typeface.json");
+            let loader = new FontLoader();
+            this.defFont = loader.parse(f);
+        }
+        return this.defFont;
     }
-    return this.defFont;
-  }
 }
 
 export class DbText extends Mesh
 {
-  /**
+    /**
-   *
+     *
-   * 构造一个文本对象,8位点(中心点下面)在0点
+     * 构造一个文本对象,8位点(中心点下面)在0点
-   * @param {string} str 数字字符串
+     * @param {string} str 数字字符串
-   * @param {number} height 文本高度
+     * @param {number} height 文本高度
-   * @memberof DbText
+     * @memberof DbText
-   */
+     */
-  constructor(str: string, height: number = 5)
+    constructor(str: string, height: number = 5)
-  {
+    {
-    let font = FontLoaderUtil.Load();
+        let font = FontLoaderUtil.Load();
 
-    let shapes: Shape[] = font.generateShapes(str, height);
+        let shapes: Shape[] = font.generateShapes(str, height);
-    let geometry = new ShapeGeometry(shapes);
+        let geometry = new ShapeGeometry(shapes);
 
-    geometry.computeBoundingBox();
+        geometry.computeBoundingBox();
 
-    super(geometry, ColorMaterial.GetBasicMaterial(5));
+        super(geometry, ColorMaterial.GetBasicMaterial(5));
 
-    let center = geometry.boundingBox.getCenter(new Vector3());
+        let center = geometry.boundingBox.getCenter(new Vector3());
-    this.applyMatrix4(MoveMatrix(new Vector3(-center.x, 0, 0)));
+        this.applyMatrix4(MoveMatrix(new Vector3(-center.x, 0, 0)));
-  }
+    }
+
+    CreateDoubleMesh(IsFsText: boolean)
+    {
+        let mesh2 = new Mesh(this.geometry, ColorMaterial.GetBasicMaterial(5));
+        //左右视图时应该这样,俯视图是X,-Y,-Z(y+=(xxx)
+        if (IsFsText)
+        {
+            mesh2.applyMatrix4(new Matrix4().makeBasis(XAxis, YAxisN, ZAxisN));
+        }
+        else
+        {
+            mesh2.applyMatrix4(new Matrix4().makeBasis(XAxisN, YAxis, ZAxisN));
+        }
+        this.add(mesh2);
+    }
 }

src/Utils.ts

@@ -1,5 +1,12 @@
-import { Object3D, Mesh } from "three";
+import { Object3D, Vector3 } from "three";
-import { createTemplateBoard, DrawDimension, Viewer } from ".";
+import { DrawDimension, Viewer, createTemplateBoard } from ".";
+
+export const XAxis = new Vector3(1, 0, 0);
+export const XAxisN = new Vector3(-1, 0, 0);
+export const YAxis = new Vector3(0, 1, 0);
+export const YAxisN = new Vector3(0, -1, 0);
+export const ZAxis = new Vector3(0, 0, 1);
+export const ZAxisN = new Vector3(0, 0, -1);
 
 function dispose(m: Object3D)
 {