WebCAD/src/Common/JigMove.ts

import { Matrix4, Vector3 } from "three";
import { app } from "../ApplicationServices/Application";
import { Entity } from "../DatabaseServices/Entity/Entity";
import { PromptStatus } from "../Editor/PromptResult";

export async function JigMoveEntity(entitys: Entity[], pos = new Vector3): Promise<Matrix4 | undefined>
{
    let mtx = new Matrix4();
    let baseP = new Vector3();

    while (true)
    {
        let ptRes = await app.Editor.GetPoint({
            Msg: "点取位置",
            KeyWordList: [{ key: "B", msg: "基点" }],
            Callback: (p: Vector3) =>
            {
                mtx.setPosition(p.clone().sub(pos));
                for (let e of entitys)
                    e.ApplyMatrix(mtx);
                pos.copy(p);
            }
        });
        if (ptRes.Status === PromptStatus.Keyword)
        {
            app.Editor.GetPointServices.snapServices.FilterErase = false;
            let baseRes = await app.Editor.GetPoint({ Msg: "点取新基点:" });
            app.Editor.GetPointServices.snapServices.FilterErase = true;
            if (baseRes.Status === PromptStatus.OK)
            {
                let p = baseRes.Point;
                baseP.add(p).sub(pos);
                pos = p;
            }
            continue;
        }
        if (ptRes.Status === PromptStatus.OK)
        {
            mtx.setPosition(ptRes.Point.sub(pos));
            for (let e of entitys)
                e.ApplyMatrix(mtx);

            mtx.setPosition(ptRes.Point.sub(baseP));
            return mtx;
        }
        break;
    }
}