mirror of https://gitee.com/cf-fz/WebCAD.git
!82 实现点实体和div功能
ChenX
6 years ago
parent
e4b7ce6acd
commit
bd4f42af39
@ -0,0 +1,98 @@
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import { app } from '../ApplicationServices/Application';
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import { Curve } from '../DatabaseServices/Curve';
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import { Point } from '../DatabaseServices/Point';
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import { Command } from '../Editor/CommandMachine';
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import { PromptStatus, PromptEntityResult } from '../Editor/PromptResult';
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export class CMD_Divide implements Command
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{
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async exec()
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{
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let enRes = await app.m_Editor.GetEntity(
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{
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Msg: "请选择定数等分的对象",
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KeyWordList: [{ key: "D", msg: "定数等分" }, { key: "S", msg: "定距等分" }]
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});
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switch (enRes.Status)
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{
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case PromptStatus.Cancel:
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{
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return;
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}
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case PromptStatus.Keyword:
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{
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if (enRes.StringResult == "D")//定数等分
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{
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await this.Divided(enRes);
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}
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else if (enRes.StringResult == "S")//定距等分
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{
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await this.Measured();
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}
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}
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break;
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case PromptStatus.OK:
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{
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await this.Divided(enRes);
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}
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break;
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default:
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break;
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}
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}
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async Divided(enRes: PromptEntityResult)//定数等分
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{
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let numRes = await app.m_Editor.GetDistance({ Msg: "请输入段数" });
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if (numRes.Status != PromptStatus.OK)
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return;
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let divCount = numRes.Value;
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if (divCount === 0)
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{
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app.m_Editor.m_CommandStore.Prompt("您不能等分0");
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return;
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}
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if (enRes.Entity instanceof Curve)
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{
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let cu = enRes.Entity;
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let len = cu.Length;
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let divLen = len / numRes.Value;
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for (let i = 0; i < divCount - 1; i++)
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{
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let pt = cu.GetPointAtDistance(divLen * (i + 1));
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let ptEnt = new Point(pt);
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app.m_Database.ModelSpace.Append(ptEnt);
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}
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}
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}
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async Measured()//定距等分
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{
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let enRes = await app.m_Editor.GetEntity({ Msg: "请选择定距等分的对象" });
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let numRes = await app.m_Editor.GetDistance({ Msg: "请指定分段的长度" });
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let divLen = numRes.Value;
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if (divLen === 0)
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{
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app.m_Editor.m_CommandStore.Prompt("分段长度不能为0");
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return;
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}
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if (enRes.Entity instanceof Curve)
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{
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let cu = enRes.Entity;
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let len = cu.Length;
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if (divLen > len)
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{
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app.m_Editor.m_CommandStore.Prompt("分段长度不能超过对象长度");
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return;
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}
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let divCount = len / divLen;
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for (let i = 0; i < divCount - 1; i++)
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{
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let pt = cu.GetPointAtDistance(divLen * (i + 1));
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let ptEnt = new Point(pt);
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app.m_Database.ModelSpace.Append(ptEnt);
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}
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}
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}
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}
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@ -0,0 +1,17 @@
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import { app } from '../ApplicationServices/Application';
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import { Point } from '../DatabaseServices/Point';
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import { Command } from '../Editor/CommandMachine';
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import { PromptStatus, PromptEntityResult } from '../Editor/PromptResult';
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export class CMD_DrawPoint implements Command
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{
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async exec()
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{
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let ptRes = await app.m_Editor.GetPoint({ Msg: "请输入或点取点的位置" });
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if (ptRes.Status != PromptStatus.OK)
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return;
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let ptEnt = new Point(ptRes.Value);
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app.m_Database.ModelSpace.Append(ptEnt);
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}
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}
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@ -0,0 +1,118 @@
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import { AdditiveBlending, BufferGeometry, Float32BufferAttribute, Geometry, Object3D, Points, PointsMaterial, TextureLoader, Vector3 } from "three";
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import { MoveMatrix } from "../Geometry/GeUtils";
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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 { Entity } from "./Entity";
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let pointMaterial: PointsMaterial;
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function LoadPointMaterial()
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{
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if (!pointMaterial)
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{
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let textureLoader = new TextureLoader();
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pointMaterial = new PointsMaterial({
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size: window.screen.height * 0.025,
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map: textureLoader.load(require("../textures/ddptype/target.png")),
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blending: AdditiveBlending,
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depthTest: false,
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transparent: true,
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sizeAttenuation: false
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});
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}
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return pointMaterial;
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}
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LoadPointMaterial();
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@Factory
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export class Point extends Entity
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{
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private m_Position: Vector3;
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constructor(position: Vector3 = new Vector3())
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{
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super();
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this.m_Position = position;
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}
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/**
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* 初始化绘制的threejs实体,子类型重载该函数初始化绘制实体.
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*
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* @param {RenderType} [renderType=RenderType.Wireframe] 渲染类型
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* @returns {Object3D} 返回的threejs实体.
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* @memberof Entity
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*/
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protected InitDrawObject(renderType: RenderType = RenderType.Wireframe): Object3D
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{
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let geometry = new BufferGeometry();
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geometry.addAttribute("position", new Float32BufferAttribute(this.m_Position.toArray(), 3));
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return new Points(geometry, LoadPointMaterial());
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}
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private UpdateGeometry(geometry: Geometry)
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{
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}
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/**
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* 当实体需要更新时,需要重载该方法,实现实体更新
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*
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* @param {RenderType} type
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* @param {Object3D} en
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* @memberof Entity
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*/
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UpdateDrawObject(type: RenderType, en: Object3D)
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{
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}
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GetSnapPoints(): Array<Vector3>
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{
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return [this.m_Position.clone().applyMatrix4(this.OCS)];
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}
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MoveSnapPoints(indexList: number[], vec: Vector3)
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{
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if (indexList.length === 1)
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{
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this.WriteAllObjectRecord();
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this.ApplyMatrix(MoveMatrix(vec));
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}
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}
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GetStretchPoints(): Array<Vector3>
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{
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return this.GetSnapPoints();
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}
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/**
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* 拉伸夹点,用于Stretch命令
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*
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* @param {Array<number>} indexList 拉伸点索引列表.
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* @param {Vector3} vec 移动向量
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* @memberof Entity
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*/
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MoveStretchPoints(indexList: Array<number>, vec: Vector3)
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{
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this.MoveSnapPoints(indexList, vec);
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}
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//#region -------------------------File-------------------------
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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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let ver = file.Read();
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super.ReadFile(file);
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this.m_Position.fromArray(file.Read());
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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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file.Write(1);
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super.WriteFile(file);
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file.Write(this.m_Position.toArray());
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}
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}
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After Width: | Height: | Size: 459 B |
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