mirror of https://gitee.com/cf-fz/WebCAD.git
ChenX
7 years ago
commit
f936c0c5df
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import { Command } from "../Editor/CommandMachine";
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import { Board } from "../DatabaseServices/Board";
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import { app } from "../ApplicationServices/Application";
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export class Command_DrawBoard2 implements Command
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{
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async exec()
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{
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let br = new Board();
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br.InitBoard(1.200, 0.600, 0.018);
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app.m_Database.ModelSpace.Append(br);
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}
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}
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@ -0,0 +1,174 @@
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import { ExtrudeGeometry, Matrix4, Mesh, Object3D, Vector3 } from 'three';
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import { CoordinateSystem } from '../Geometry/CoordinateSystem';
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import { RenderType } from '../GraphicsSystem/Enum';
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import { Factory } from './CADFactory';
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import { CADFile } from './CADFile';
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import { CADObject } from './CADObject';
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import { Entity } from './Entity';
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import { Line } from './Line';
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import { DbPhysicalMaterial } from './PhysicalMaterial';
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import { Region } from './Region';
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/**
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* 板件实体
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*
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* @class Board
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* @extends {Entity}
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*/
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@Factory
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export class Board extends Entity
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{
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//板件厚度
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private m_Height: number = 18;
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private m_Region: Region;
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//自身坐标系
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private m_Matrix: Matrix4 = new Matrix4();//标准的世界坐标系
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constructor(reg?: Region, height?: number)
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{
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super();
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this.m_Region = reg;
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this.m_Height = height || this.m_Height;
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}
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//初始化板件 来自长宽高
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InitBoard(length: number, width: number, height: number)
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{
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this.m_Height = height;
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let px1 = new Vector3(0, 0, 0);
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let px3 = new Vector3(length, width, 0);
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let px2 = new Vector3(px3.x, px1.y);
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let px4 = new Vector3(px1.x, px3.y);
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let l1 = new Line();
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let l2 = new Line();
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let l3 = new Line();
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let l4 = new Line();
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l1.StartPoint = px1;
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l1.EndPoint = px2;
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l2.StartPoint = px2;
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l2.EndPoint = px3;
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l3.StartPoint = px3;
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l3.EndPoint = px4;
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l4.StartPoint = px1;
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l4.EndPoint = px4;
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this.m_Region = new Region([l1, l2, l3, l4]);
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this.Update();
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}
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ApplyMatrix(m: Matrix4)
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{
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this.WriteAllObjectRecord();
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let coor = new CoordinateSystem();
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coor.copyForm(this.m_Matrix);
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coor.applyMatrix4(m);
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this.m_Matrix.copy(coor.getMatrix4());
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this.Update();
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}
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Draw(renderType: RenderType): Object3D
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{
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let obj = super.Draw(renderType);
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if (obj) return obj;
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if (!this.m_Region)
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{
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//避免空的板件生成
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this.InitBoard(1e-5, 1e-5, 1e-5);
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}
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let extrudeSettings = {
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steps: 1,
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bevelEnabled: false,
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amount: this.m_Height
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};
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let extGeo = new ExtrudeGeometry(this.m_Region.Shape, extrudeSettings);
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let mesh = new Mesh(extGeo);
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mesh.userData = this;
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if (this.m_MaterialId && this.m_MaterialId.Object)
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{
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let material = this.m_MaterialId.Object as DbPhysicalMaterial;
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mesh.material = material.Material;
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}
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this.m_DrawEntity.set(renderType, mesh);
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this.Update();
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return mesh;
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}
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Update()
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{
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super.Update();
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for (let [, obj] of this.m_DrawEntity)
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{
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let mesh = obj as Mesh;
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mesh.geometry.dispose();
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let extrudeSettings = {
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steps: 1,
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bevelEnabled: false,
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amount: this.m_Height
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};
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mesh.geometry = new ExtrudeGeometry(this.m_Region.Shape, extrudeSettings);
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mesh.geometry.computeBoundingSphere();
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if (this.m_MaterialId)
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{
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let material = this.m_MaterialId.Object as DbPhysicalMaterial;
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mesh.material = material.Material;
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}
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for (let [, obj] of this.m_DrawEntity)
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{
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let mesh = obj as Mesh;
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let p = new Vector3().setFromMatrixColumn(this.m_Matrix, 3);
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obj.position.copy(p);
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obj.quaternion.setFromRotationMatrix(this.m_Matrix);
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}
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}
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}
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//#region -------------------------File-------------------------
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//对象应该实现dataIn和DataOut的方法,为了对象的序列化和反序列化
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//对象从文件中读取数据,初始化自身
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ReadFile(file: CADFile)
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{
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super.ReadFile(file);
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let ver = file.Read();
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this.m_Region = file.ReadObject(this._db) as Region;
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this.m_Height = file.Read();
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this.m_Matrix.fromArray(file.Read())
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this.Update();
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}
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//对象将自身数据写入到文件.
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WriteFile(file: CADFile)
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{
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super.WriteFile(file);
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file.Write(1);
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file.WriteObject(this.m_Region);
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file.Write(this.m_Height);
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file.Write(this.m_Matrix.toArray())
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}
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//局部撤销
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ApplyPartialUndo(undoData: CADObject)
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{
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super.ApplyPartialUndo(undoData);
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}
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//#endregion
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}
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