59 lines
1.2 KiB
TypeScript
59 lines
1.2 KiB
TypeScript
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/**
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* Copyright (c) Meta Platforms, Inc. and affiliates.
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*
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* This source code is licensed under the MIT license found in the
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* LICENSE file in the root directory of this source tree.
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*
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*/
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class Point {
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private readonly _x: number;
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private readonly _y: number;
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constructor(x: number, y: number) {
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this._x = x;
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this._y = y;
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}
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get x(): number {
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return this._x;
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}
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get y(): number {
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return this._y;
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}
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public equals({ x, y }: Point): boolean {
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return this.x === x && this.y === y;
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}
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public calcDeltaXTo({ x }: Point): number {
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return this.x - x;
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}
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public calcDeltaYTo({ y }: Point): number {
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return this.y - y;
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}
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public calcHorizontalDistanceTo(point: Point): number {
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return Math.abs(this.calcDeltaXTo(point));
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}
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public calcVerticalDistance(point: Point): number {
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return Math.abs(this.calcDeltaYTo(point));
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}
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public calcDistanceTo(point: Point): number {
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return Math.sqrt(
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Math.pow(this.calcDeltaXTo(point), 2) +
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Math.pow(this.calcDeltaYTo(point), 2),
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);
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}
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}
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const isPoint = (x: unknown): x is Point => x instanceof Point;
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export default Point;
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export { Point, isPoint };
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