maplair/dist/esm/geometry/Point.js

JavaScript library for mobile-friendly interactive maps

import { formatNum } from "../core/Util.js";
//#region src/geometry/Point.js
var Point = class Point {
	constructor(x, y, round) {
		if (!Point.validate(x, y)) throw new Error(`Invalid Point object: (${x}, ${y})`);
		let _x, _y;
		if (x instanceof Point) {
			_x = x.x;
			_y = x.y;
		} else if (Array.isArray(x)) {
			_x = x[0];
			_y = x[1];
		} else if (typeof x === "object" && "x" in x && "y" in x) {
			_x = x.x;
			_y = x.y;
		} else {
			_x = x;
			_y = y;
		}
		this.x = round ? Math.round(_x) : _x;
		this.y = round ? Math.round(_y) : _y;
	}
	static validate(x, y) {
		if (x instanceof Point || Array.isArray(x)) return true;
		else if (x && typeof x === "object" && "x" in x && "y" in x) return true;
		else if ((x || x === 0) && (y || y === 0)) return true;
		return false;
	}
	add(point) {
		return new Point(this)._add(new Point(point));
	}
	_add(point) {
		this.x += point.x;
		this.y += point.y;
		return this;
	}
	subtract(point) {
		return new Point(this)._subtract(new Point(point));
	}
	_subtract(point) {
		this.x -= point.x;
		this.y -= point.y;
		return this;
	}
	divideBy(num) {
		return new Point(this)._divideBy(num);
	}
	_divideBy(num) {
		this.x /= num;
		this.y /= num;
		return this;
	}
	multiplyBy(num) {
		return new Point(this)._multiplyBy(num);
	}
	_multiplyBy(num) {
		this.x *= num;
		this.y *= num;
		return this;
	}
	scaleBy(point) {
		return new Point(this.x * point.x, this.y * point.y);
	}
	unscaleBy(point) {
		return new Point(this.x / point.x, this.y / point.y);
	}
	round() {
		return new Point(this)._round();
	}
	_round() {
		this.x = Math.round(this.x);
		this.y = Math.round(this.y);
		return this;
	}
	floor() {
		return new Point(this)._floor();
	}
	_floor() {
		this.x = Math.floor(this.x);
		this.y = Math.floor(this.y);
		return this;
	}
	ceil() {
		return new Point(this)._ceil();
	}
	_ceil() {
		this.x = Math.ceil(this.x);
		this.y = Math.ceil(this.y);
		return this;
	}
	trunc() {
		return new Point(this)._trunc();
	}
	_trunc() {
		this.x = Math.trunc(this.x);
		this.y = Math.trunc(this.y);
		return this;
	}
	distanceTo(point) {
		point = new Point(point);
		const x = point.x - this.x, y = point.y - this.y;
		return Math.sqrt(x * x + y * y);
	}
	equals(point) {
		point = new Point(point);
		return point.x === this.x && point.y === this.y;
	}
	contains(point) {
		point = new Point(point);
		return Math.abs(point.x) <= Math.abs(this.x) && Math.abs(point.y) <= Math.abs(this.y);
	}
	toString() {
		return `Point(${formatNum(this.x)}, ${formatNum(this.y)})`;
	}
};
//#endregion
export { Point };

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