traffic-laser/src/graphic/Geometry/RoadEdge.js

//墙的边缘线
import Geometry from "./Geometry.js";
import VectorType from "../enum/VectorType.js";
import { mathUtil } from "../Util/MathUtil.js";

export default class RoadEdge extends Geometry {
  constructor(start, end, vectorId, parentId) {
    super();
    this.parent = parentId;
    this.start = {};
    this.end = {};
    this.vectorId = null;
    this.geoType = VectorType.RoadEdge;
    this.setId(vectorId);

    this.setPositions(start, end);
  }

  setPositions(point1, point2) {
    this.start.x = point1.x;
    this.start.y = point1.y;

    this.end.x = point2.x;
    this.end.y = point2.y;
  }

  setPosition(position, dir) {
    if (dir == "start") {
      mathUtil.clonePoint(this.start, position);
    } else if (dir == "end") {
      mathUtil.clonePoint(this.end, position);
    }
  }

  getPosition(dir) {
    if (dir == "start") {
      return this.start;
    } else if (dir == "end") {
      return this.end;
    } else {
      return null;
    }
  }

  getLine() {
    let line = mathUtil.createLine1(this.start, this.end);
    return line;
  }
}