core2d/src/Point.mjs

Multiplatform 2D interaction engine

"use strict";

/**
 * Represents a point with x and y coordinates.
 */
export class Point {
  /**
   * Creates a new Point.
   * @param {number} [x=0] The x-coordinate.
   * @param {number} [y=0] The y-coordinate.
   */
  constructor(x = 0, y = 0) {
    this.x = x;
    this.y = y;
  }

  /**
   * The position of the point.
   * @type {Point}
   */
  get position() {
    return this;
  }

  /**
   * Sets the x-coordinate of the point.
   * @param {number} x The x-coordinate.
   * @returns {Point} This point.
   */
  setX(x) {
    this.x = x;
    return this;
  }

  /**
   * Sets the y-coordinate of the point.
   * @param {number} y The y-coordinate.
   * @returns {Point} This point.
   */
  setY(y) {
    this.y = y;
    return this;
  }

  /**
   * Sets the position of the point.
   * @param {Point} point The new position.
   * @returns {Point} This point.
   */
  setPosition(point) {
    this.x = point.x;
    this.y = point.y;
    return this;
  }

  /**
   * The position of the point.
   * @type {Point}
   */
  set position(point) {
    this.setPosition(point);
  }

  /**
   * Calculates the distance to another point.
   * @param {Point} point The other point.
   * @returns {number} The distance to the other point.
   */
  distance(point) {
    const dx = point.x - this.x;
    const dy = point.y - this.y;
    return Math.sqrt(dx * dx + dy * dy);
  }
}