traffic-laser/src/graphic/Service/SVGService.js

import SVG from "../Geometry/SVG.js";
import { dataService } from "./DataService.js";
import { mathUtil } from "../Util/MathUtil.js";
import { uiService } from "./UIService.js";
export default class SVGService {
  constructor() {}

  create(position, type, svgId) {
    let svg = new SVG(position, type, svgId);
    dataService.addSVG(svg);
    return svg;
  }

  copy(vectorId) {
    let SVG = dataService.getSVG(vectorId);
    let newCenter = uiService.getNewPositionForPop(SVG.center);
    let newSVG = this.create(newCenter, SVG.type);
    newSVG.setScale(SVG.scale);
    for (let i = 0; i < SVG.points.length; ++i) {
      let dx = SVG.points[i].x - SVG.center.x;
      let dy = SVG.points[i].y - SVG.center.y;

      newSVG.points[i].x = newSVG.center.x + dx;
      newSVG.points[i].y = newSVG.center.y + dy;
    }
    return newSVG;
  }
}

const svgService = new SVGService();
export { svgService };