poc-igeom-karla/src/app/components/intersection-component/models/intersection-model.js

import { PointModel } from "../../point-component/models/point-model";
import { ELEMENTS_CLASS } from "../../../core/enums/elements-class-enum";

export class IntersectionModel extends PointModel {
  constructor(posX, posY, label, r, s, visible, index, id) {
    super(posX, posY, label, id);
    this.r = r;
    this.s = s;
    super.setClass(ELEMENTS_CLASS.INTERSECTION_POINT);
    this.visible = visible;
    this.index = index;
    this.color = -65536;
    this.definitions = [{ id: this.r.id }, { id: this.s.id }, { id: this.index + 1 }];
  }

  update(aggregator, event) {
    this.visible = true;
    const intersections = this.r.getIntersection(this.s);
    if (intersections.length == 1) {
      const intersection = intersections[0];
      this.posX = parseFloat(intersection.posX.toFixed(2));
      this.posY = parseFloat(intersection.posY.toFixed(2));
      if (!this.r.insideSegment(this.posX, this.posY)) {
        this.posX = Number.MAX_SAFE_INTEGER;
        this.posY = Number.MAX_SAFE_INTEGER;
        this.visible = false;
        return;
      }
      if (!this.s.insideSegment(this.posX, this.posY)) {
        this.posX = Number.MAX_SAFE_INTEGER;
        this.posY = Number.MAX_SAFE_INTEGER;
        this.visible = false;
        return;
      }
      return;
    }
    if (intersections.length > 1) {
      for (let index = 0; index < intersections.length; index++) {
        const intersection = intersections[index];
        if (this.index == intersection.index) {
          this.posX = parseFloat(intersection.posX.toFixed(2));
          this.posY = parseFloat(intersection.posY.toFixed(2));
        }
        continue;
      }
    }
  }
}