Draggable Vertices + Resizable Canvas - JavaScript Polygon Tutorial

Published: 29 August 2025
on channel: base case

This program is an interactive polygon editor built with JavaScript and HTML5 Canvas, allowing you to create shapes by placing vertices and dynamically reshape them through dragging. It features a fully resizable and draggable drawing canvas with cursor-based controls.
Prerequisite knowledge: Understanding of array destructuring, the forEach(), find() array methods, and the Pythagorean theorem for distance calculation is assumed.
File location: https://github.com/nurbs3000/august20...

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