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

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

export default class Geometry {
  constructor() {
    this.display = true;
  }

  setId(vectorId) {
    if (vectorId == null || typeof vectorId === "undefined") {
      vectorId = dataService.getCurrentId();
      dataService.updateCurrentId();
      this.vectorId = this.geoType + vectorId;
    } else {
      this.vectorId = vectorId;
    }
  }

  getIndex() {
    return this.index;
  }

  setIndex(index) {
    this.index = index;
  }

  getPoints() {
    return this.points;
  }

  setPoints(points) {
    this.points = JSON.parse(JSON.stringify(points));
  }

  setPointParent(parentId, dir) {
    if (this.parent == null) {
      this.parent = {};
    }

    this.parent[parentId] = dir;
  }

  setEdgeParent(parentId) {
    if (this.parent == null) {
      this.parent = {};
    }

    this.parent = parentId;
  }

  setLeftEdge(edgeId) {
    this.leftEdgeId = edgeId;
  }

  setRightEdge(edgeId) {
    this.rightEdgeId = edgeId;
  }

  setDisplay(value) {
    this.display = value;
  }

  setParent(value) {
    this.parent = value;
  }

  getParent() {
    return this.parent;
  }

  setValue(value) {
    this.value = value;
  }

  getValue() {
    return this.value;
  }

  setCenter(center) {
    if (center) {
      this.center = {};
      this.center.x = center.x;
      this.center.y = center.y;
    }
  }

  setRadius(radius) {
    this.radius = radius;
  }

  setColor(value) {
    this.color = value;
  }

  getColor() {
    return this.color;
  }

  // ptSrc: 圆上某点(初始点);
  // ptRotationCenter: 圆心点;
  // angle: 旋转角度°  -- [angle * M_PI / 180]:将角度换算为弧度
  // 【注意】angle 逆时针为正，顺时针为负
  rotatePoint(ptSrc, ptRotationCenter, angle) {
    angle = -1 * angle; //设计是逆时针为负，顺时针为正
    var a = ptRotationCenter.x;
    var b = ptRotationCenter.y;
    var x0 = ptSrc.x;
    var y0 = ptSrc.y;
    var rx =
      a +
      (x0 - a) * Math.cos((angle * Math.PI) / 180) -
      (y0 - b) * Math.sin((angle * Math.PI) / 180);
    var ry =
      b +
      (x0 - a) * Math.sin((angle * Math.PI) / 180) +
      (y0 - b) * Math.cos((angle * Math.PI) / 180);
    var json = { x: rx, y: ry };
    return json;
  }
}