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

import { dataService } from "../Service/DataService";
import { mathUtil } from "../Util/MathUtil";

export default class MoveLine {
  constructor() {}

  moveLine(lineId, dx, dy) {
    dx = dx;
    dy = -dy;
    let line = dataService.getLine(lineId);
    let startPoint = dataService.getPoint(line.startId);
    let endPoint = dataService.getPoint(line.endId);
    startPoint.x += dx;
    startPoint.y += dy;
    endPoint.x += dx;
    endPoint.y += dy;
  }

  moveCurveLine(curveLineId, dx, dy) {
    dx = dx;
    dy = -dy;
    let curveLine = dataService.getCurveLine(curveLineId);
    let startPoint = dataService.getCurvePoint(curveLine.startId);
    let endPoint = dataService.getCurvePoint(curveLine.endId);
    startPoint.x += dx;
    startPoint.y += dy;
    endPoint.x += dx;
    endPoint.y += dy;
    for (let i = 1; i < curveLine.points.length - 1; ++i) {
      curveLine.points[i].x += dx;
      curveLine.points[i].y += dy;
    }
    curveLine.curves = mathUtil.getCurvesByPoints(curveLine.points);
  }
}

const moveLine = new MoveLine();
export { moveLine };