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

import VectorType from "../enum/VectorType.js";
import Road from "./Road.js";
import Settings from "../Settings";

export default class CurveRoad extends Road {
  constructor(startId, endId, vectorId) {
    super(startId, endId, vectorId);
    this.points = []; //中心线上一系列控制点。数组是从start到end。
    this.leftLanesCurves = []; //左车道曲线
    this.rightLanesCurves = []; //左车道曲线
    this.singleLanesCurves = []; //单向车道
    this.leftDrivewayCount = Settings.curveRoadLeftDrivewayCount; //左边的车道个数
    this.rightDrivewayCount = Settings.curveRoadRightDrivewayCount; //右边的车道个数
    this.leftWidth = Settings.leftCurveRoadWidth;
    this.rightWidth = Settings.rightCurveRoadWidth;
    this.midDivide = {
      leftMidDivide: [],
      leftMidDivideCurves: [],
      rightMidDivide: [],
      rightMidDivideCurves: [],
      midDivideWidth: Settings.curveRoadMidDivideWidth,
    };
    this.curves = [];
    this.singleCurveRoadWidth = Settings.singleCurveRoadWidth;
    this.singleCurveRoadDrivewayCount = Settings.singleCurveRoadDrivewayCount;
    this.geoType = VectorType.CurveRoad;
    this.setId(vectorId);
  }

  getLanesCount(dir) {
    if (this.way == Constant.oneWay) {
      return this.singleCurveRoadDrivewayCount;
    } else if (this.way == Constant.twoWay) {
      if (dir == "left") {
        return this.leftDrivewayCount;
      } else {
        return this.rightDrivewayCount;
      }
    }
  }
}