traffic-laser/src/graphic/Controls/LocationModeControl.js

import { mathUtil } from "../Util/MathUtil";
import { textService } from "../Service/TextService";
import { listenLayer } from "../ListenLayer";
import Settings from "../Settings";
import { dataService } from "../Service/DataService";
import { lineService } from "../Service/LineService";
import { pointService } from "../Service/PointService";
import VectorCategory from "../enum/VectorCategory";

export default class LocationModeControl {
  constructor() {}

  //设置直角定位法
  setAngle() {
    let selectBasePoint = this.isFocusBasePoint();
    if (selectBasePoint) {
      let points = dataService.getPoints();
      for (let i = 0; i < points.length; ++i) {
        let point = dataService.getPoint(points[i].vectorId);
        if (point.getCategory() == VectorCategory.Point.fixPoint) {
          this.setSingleFixPointByAngle(
            point.vectorId,
            selectBasePoint.vectorId
          );
        }
      }
    }
  }

  //对一个点进行直角定位法
  //生成两条定位线和一条辅助线
  setSingleFixPointByAngle(fixPointId, basePointId) {
    let fixPoint = dataService.getPoint(fixPointId);
    let basePoint = dataService.getPoint(basePointId);
    let baseLine = dataService.getLine(Settings.baseLineId);
    let startPoint = dataService.getPoint(baseLine.startId);
    let endPoint = dataService.getPoint(baseLine.endId);

    let baseLineGeometry = mathUtil.createLine1(startPoint, endPoint);
    let vLine = mathUtil.getVerticalLine(baseLineGeometry, fixPoint);
    let join = mathUtil.getJoinLinePoint(basePoint, vLine);
    join = pointService.create(join);

    let locationLineByFixPoint = lineService.createByPointId(
      fixPointId,
      join.vectorId,
      VectorCategory.Line.LocationLineByFixPoint
    );

    let locationLineByBasePoint = mathUtil.getVerticalLine(vLine, basePoint);
    join = mathUtil.getIntersectionPoint(locationLineByBasePoint, vLine);
    join = pointService.create(join);
    locationLineByBasePoint = lineService.createByPointId(
      basePointId,
      join.vectorId,
      VectorCategory.Line.LocationLineByBasePoint
    );

    let guideLocationLine = lineService.createByPointId(
      fixPointId,
      join.vectorId,
      VectorCategory.Line.GuideLocationLine
    );
  }

  /******************************************************************************************************************************************************/

  //设置综合定位法
  setAll() {}

  /******************************************************************************************************************************************************/

  isFocusBasePoint() {
    if (Settings.selectBasePointId) {
      let point = dataService.getPoint(Settings.selectBasePointId);
      if (point.getCategory() == VectorCategory.Point.BasePoint) {
        return point;
      }
    }
    return null;
  }
}

const locationModeControl = new LocationModeControl();
export { locationModeControl };