From f0e8249359641c9621382453108cb557c775b192 Mon Sep 17 00:00:00 2001 From: nieopierzony Date: Fri, 18 Feb 2022 21:27:07 +0300 Subject: [PATCH] Move area method to Geometry (#1) --- JavaScript/8-geometry.js | 27 ++++++++++++++------------- 1 file changed, 14 insertions(+), 13 deletions(-) diff --git a/JavaScript/8-geometry.js b/JavaScript/8-geometry.js index 619d49a..fe21359 100644 --- a/JavaScript/8-geometry.js +++ b/JavaScript/8-geometry.js @@ -16,16 +16,6 @@ class Polygon { this.points = points; } - get area() { - let value = 0; - let d = this.points[this.points.length - 1]; - for (const p of this.points) { - value += p.x * d.y - d.x * p.y; - d = p; - } - return Math.abs(value) / 2; - } - toString() { return this.points.map((p) => p.toString()).join('; '); } @@ -62,23 +52,34 @@ class Geometry { point.y = x * sin + y * cos; } } + + static area(polygon) { + const { points } = polygon + let value = 0; + let d = points[points.length - 1]; + for (const p of points) { + value += p.x * d.y - d.x * p.y; + d = p; + } + return Math.abs(value) / 2; + } } // Usage const rect = new Rect(10, 10, 30, -10); console.log(rect); -console.log(rect.area); +console.log(Geometry.area(rect)); console.log('Rotate 45'); Geometry.rotate(rect, 45); console.log(rect); -console.log(rect.area); +console.log(Geometry.area(rect)); const triangle = new Triangle(0, 0, 15, 0, 0, 15); console.log(triangle); console.log('Rotate 90'); Geometry.rotate(triangle, 90); console.log(triangle); -console.log(triangle.area); +console.log(Geometry.area(triangle)); console.log(`${triangle}`); pFad - Phonifier reborn

Pfad - The Proxy pFad of © 2024 Garber Painting. All rights reserved.

Note: This service is not intended for secure transactions such as banking, social media, email, or purchasing. Use at your own risk. We assume no liability whatsoever for broken pages.

Alternative Proxies:

Alternative Proxy

pFad Proxy

pFad v3 Proxy

pFad v4 Proxy